:root {
  --ink: #0f172a;
  --ink-light: #1e293b;
  --muted: #64748b;
  --muted-light: #94a3b8;
  --line: #e2e8f0;
  --line-light: #f1f5f9;
  --paper: #f8fafc;
  --surface: #ffffff;
  --blue: #2563eb;
  --blue-light: #3b82f6;
  --blue-50: #eff6ff;
  --blue-100: #dbeafe;
  --teal: #0d9488;
  --teal-light: #14b8a6;
  --green: #059669;
  --green-light: #10b981;
  --green-50: #ecfdf5;
  --amber: #d97706;
  --amber-light: #f59e0b;
  --amber-50: #fffbeb;
  --red: #dc2626;
  --violet: #7c3aed;
  --violet-light: #8b5cf6;

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.07), 0 2px 4px -2px rgb(0 0 0 / 0.05);
  --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.04);
  --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.08), 0 8px 10px -6px rgb(0 0 0 / 0.04);
  --shadow-xl: 0 25px 50px -12px rgb(0 0 0 / 0.15);
  --shadow-glow: 0 0 40px -10px rgba(37, 99, 235, 0.3);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;

  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);

  --header-height: 58px;
  --font-sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, "Noto Sans", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-display: ui-rounded, "SF Pro Rounded", var(--font-sans);
  --type-brand: 20px;
  --type-nav: 15px;
  --type-hero-title: 50px;
  --type-hero-lede: 17px;
  --type-product-title: 38px;
  --type-section-title: 32px;
  --type-home-section-title: clamp(32px, 3vw, 44px);
  --type-home-card-title: clamp(24px, 2.8vw, 36px);
  --type-section-copy: 16px;
  --type-feedback-title: 42px;
  --type-doc-title: 26px;
  --type-doc-subtitle: 18px;

  --space-page-x: 64px;
  --space-header-x: 48px;
  --space-header-wrap-gap: 14px;
  --space-nav-leading: 28px;
  --space-nav-gap: 20px;
  --space-action-gap: 12px;
  --space-section-y: 80px;
  --space-hero-y-start: 100px;
  --space-hero-y-end: 80px;
  --space-hero-gap: 56px;
  --space-home-hero-y-start: clamp(72px, 10vh, 116px);
  --space-home-hero-y-end: clamp(64px, 9vh, 96px);
  --space-hero-copy-shift: -36px;
  --space-hero-lede-top: 28px;
  --space-hero-actions-top: 40px;
  --space-hero-icon-bottom: 28px;
  --space-product-bar-gap: 18px;
  --space-product-bar-bottom: 30px;
  --space-button-x: 22px;
  --space-header-button-x: 16px;
  --space-button-large-x: 28px;
  --space-entry-grid-gap: 32px;
  --space-entry-grid-top: 56px;
  --space-entry-card-pad: 48px;
  --space-entry-icon-bottom: 28px;
  --space-layout-gap: 64px;
  --space-content-gap: 32px;
  --space-philosophy-gap: clamp(20px, 1.8vw, 32px);
  --space-download-hero-top: 124px;
  --space-download-hero-bottom: 24px;
  --space-download-layout-gap: 80px;
  --space-showcase-top: 80px;
  --space-showcase-gap: 60px;
  --space-showcase-bottom: 116px;
  --size-button-y: 42px;
  --size-header-button-y: 34px;
  --size-button-large-y: 48px;
  --size-hero-icon: 104px;
  --size-entry-icon: 48px;
  --product-section-nav-height: 72px;
  --product-section-nav-stick-gap: 16px;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== Scroll Reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-scale {
  opacity: 0;
  transform: translateY(40px) scale(0.96);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-scale.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal-scale {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse-soft {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

@keyframes countUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes barGrow {
  from {
    transform: scaleY(0);
  }
  to {
    transform: scaleY(1);
  }
}

@keyframes dotPulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.3);
    opacity: 0.7;
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  color: var(--ink);
  background: #ffffff;
  font-family: var(--font-sans);
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
  overflow-x: hidden;
}

body.story-preload-pending {
  opacity: 0;
}

.home-main {
  position: relative;
  background: #ffffff;
}

.home-main::before {
  display: none;
}

.home-main > * {
  position: relative;
  z-index: 1;
}

.home-section-title {
  color: #17151b;
  font-family: var(--font-sans);
  font-size: var(--type-home-section-title);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.045em;
}

/* Constrain the prebuilt story's grid so its mobile heading can wrap. */
.home-main .echo-physical-world {
  grid-template-columns: minmax(0, 1fr);
}

/* Keep the prebuilt story's mobile heading on the same homepage type scale. */
.home-main .echo-physical-copy h2 {
  font-size: var(--type-home-section-title);
}

html[lang="zh-CN"] .home-section-title {
  letter-spacing: 0;
}

html[lang="zh-CN"] body,
html[lang="zh-CN"] .echo-app-card-copy h3,
html[lang="zh-CN"] .echo-news-card h3,
html[lang="zh-CN"] .echo-download-cta-copy {
  letter-spacing: 0;
}

@supports (overflow: clip) {
  html,
  body {
    overflow-x: clip;
  }
}


a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button,
input,
select,
textarea {
  font: inherit;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  height: var(--header-height);
  padding: 0 var(--space-header-x);
  margin-bottom: calc(-1 * var(--header-height));
  border-bottom: 1px solid transparent;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  transition:
    background var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

.site-header.scrolled {
  border-bottom-color: rgba(226, 232, 240, 0.62);
  background: rgba(255, 255, 255, 0.34);
  backdrop-filter: blur(18px) saturate(1.25);
  -webkit-backdrop-filter: blur(18px) saturate(1.25);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.05);
}

.brand {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-display);
  font-size: var(--type-brand);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.brand-logo {
  width: 30px;
  height: 30px;
  flex: none;
  display: block;
  border-radius: 50%;
  object-fit: cover;
}

.top-nav,
.header-actions,
.hero-actions,
.dashboard-actions {
  display: flex;
  align-items: center;
  gap: var(--space-action-gap);
}

.top-nav {
  margin-left: var(--space-nav-leading);
  gap: var(--space-nav-gap);
  color: var(--muted);
  font-size: var(--type-nav);
  font-weight: 700;
}

.header-actions {
  margin-left: auto;
  position: relative;
}

.top-nav a,
.top-nav .link-button {
  position: relative;
  contain: paint;
  min-height: 36px;
  padding: 0 12px;
  margin: 0 -6px;
  display: inline-flex;
  align-items: center;
  transition: color 0.12s linear;
  border-radius: var(--radius-sm);
}

.top-nav a::after,
.top-nav .link-button::after {
  content: "";
  position: absolute;
  bottom: 6px;
  left: 12px;
  right: 12px;
  width: auto;
  height: 2px;
  border-radius: 1px;
  background: var(--blue);
  opacity: 0;
  transform: none;
  transition: opacity 0.12s linear;
}

.top-nav a:hover,
.top-nav .link-button:hover {
  color: var(--ink);
  background: transparent;
}

.top-nav a:hover::after,
.top-nav .link-button:hover::after {
  opacity: 1;
}

.marketing-site-header .top-nav > a,
.marketing-site-header .top-nav > .download-navigation > a {
  color: #3f2b78;
  font-weight: 900;
}

.marketing-site-header .top-nav > a::after,
.marketing-site-header .top-nav > .download-navigation > a::after {
  display: none;
}

.link-button {
  border: 0;
  padding: 0;
  color: inherit;
  background: transparent;
  cursor: pointer;
  font-weight: 600;
}

/* ===== Buttons ===== */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--size-button-y);
  padding: 0 var(--space-button-x);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.site-header .button {
  min-height: var(--size-header-button-y);
  padding: 0 var(--space-header-button-x);
  font-size: 13px;
}

.button::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent, rgba(255,255,255,0.2), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.button:hover::before {
  opacity: 1;
}

.button.primary {
  border-color: transparent;
  color: #fff;
  background: var(--ink);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12), 0 1px 3px rgba(0, 0, 0, 0.08);
}

.button.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.18), 0 2px 4px rgba(0, 0, 0, 0.1);
}

.button.primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.button.ghost {
  color: var(--ink);
  background: #fff;
  border-color: var(--line);
}

.button.ghost:hover {
  background: var(--paper);
  border-color: var(--muted-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.button.large {
  min-height: var(--size-button-large-y);
  padding: 0 var(--space-button-large-x);
  font-size: 15px;
}

/* ===== Hero ===== */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-hero-gap);
  min-height: 100vh;
  width: 100%;
  max-width: none;
  margin: 0 auto;
  padding: var(--space-hero-y-start) var(--space-page-x) var(--space-hero-y-end);
  position: relative;
  overflow: hidden;
  isolation: isolate;
  text-align: center;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -30%;
  width: 160%;
  height: 160%;
  z-index: 0;
  background:
    radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.22) 0%, transparent 30%);
  animation: orbit 50s linear infinite;
  pointer-events: none;
  filter: blur(50px);
}

.hero::after {
  content: "";
  position: absolute;
  inset: -30%;
  width: 160%;
  height: 160%;
  z-index: 0;
  background:
    radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.16) 0%, transparent 28%);
  animation: orbit2 65s linear infinite reverse;
  pointer-events: none;
  filter: blur(60px);
}

.hero-glow {
  position: absolute;
  inset: -30%;
  width: 160%;
  height: 160%;
  z-index: 0;
  background:
    radial-gradient(circle at 50% 50%, rgba(20, 184, 166, 0.14) 0%, transparent 26%);
  animation: orbit3 72s linear infinite;
  pointer-events: none;
  filter: blur(58px);
}

.hero > * {
  position: relative;
  z-index: 1;
}

.hero > .hero-glow {
  position: absolute;
  z-index: 0;
}

@keyframes orbit {
  0%   { transform: translate(30%, 30%); }
  25%  { transform: translate(-30%, 30%); }
  50%  { transform: translate(-30%, -30%); }
  75%  { transform: translate(30%, -30%); }
  100% { transform: translate(30%, 30%); }
}

@keyframes orbit2 {
  0%   { transform: translate(-25%, -25%) scale(1.2); }
  25%  { transform: translate(25%, -25%) scale(1.2); }
  50%  { transform: translate(25%, 25%) scale(1.2); }
  75%  { transform: translate(-25%, 25%) scale(1.2); }
  100% { transform: translate(-25%, -25%) scale(1.2); }
}

@keyframes orbit3 {
  0%   { transform: translate(10%, -34%) scale(1.1); }
  25%  { transform: translate(34%, 8%) scale(1.08); }
  50%  { transform: translate(-8%, 34%) scale(1.16); }
  75%  { transform: translate(-34%, -8%) scale(1.08); }
  100% { transform: translate(10%, -34%) scale(1.1); }
}

@media (prefers-reduced-motion: reduce) {
  .hero::before,
  .hero::after,
  .hero-glow {
    animation: none;
  }
}

.hero-copy {
  width: min(100%, 1000px);
  margin: 0 auto;
  animation: fadeInUp 0.8s ease-out;
}

#open-echo .hero-copy {
  top: calc(var(--space-hero-copy-shift) + 16px);
}

#open-echo {
  min-height: calc(100svh - var(--header-height));
  padding-top: var(--space-home-hero-y-start);
  padding-bottom: var(--space-home-hero-y-end);
  overflow: visible;
}

#open-echo::before,
#open-echo::after {
  display: block;
  top: -30%;
  bottom: auto;
  height: calc(160% + 84px);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 44%, rgba(0, 0, 0, 0.48) 62%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 0%, #000 44%, rgba(0, 0, 0, 0.48) 62%, transparent 100%);
}

.mock-jump-toast {
  position: fixed;
  left: 50%;
  bottom: 32px;
  z-index: 80;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow-md);
  font-size: 13px;
  font-weight: 700;
  transform: translateX(-50%);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.mock-jump-toast.is-leaving {
  opacity: 0;
  transform: translate(-50%, 8px);
}

.hero-product-bar {
  display: inline-flex;
  align-items: center;
  gap: var(--space-product-bar-gap);
  max-width: 100%;
  margin-bottom: var(--space-product-bar-bottom);
  padding: 10px 12px 10px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(14px);
}

.hero-logo {
  flex: none;
  min-width: 74px;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.hero-product-bar p {
  max-width: 420px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.45;
}

.hero-product-bar .button {
  flex: none;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  animation: fadeInUp 0.6s ease-out 0.1s both;
}

.hero h1 {
  margin: 0 auto;
  max-width: 680px;
  font-size: var(--type-hero-title);
  line-height: 1.08;
  letter-spacing: -0.03em;
  font-weight: 800;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-intro {
  max-width: 680px;
  margin: 16px auto 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
  animation: fadeInUp 0.8s ease-out 0.3s both;
}

.hero-icon {
  display: block;
  width: var(--size-hero-icon);
  height: var(--size-hero-icon);
  margin: 0 auto var(--space-hero-icon-bottom);
  border-radius: var(--radius-lg);
  box-shadow: none;
  mix-blend-mode: multiply;
  filter: contrast(1.12) saturate(1.08);
  animation: fadeInUp 0.8s ease-out 0.1s both;
}

.hero-actions {
  margin-top: var(--space-hero-actions-top);
  justify-content: center;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: 500px;
  margin: 32px 0 0;
  padding: 20px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  animation: fadeInUp 0.8s ease-out 0.5s both;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.trust-strip:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.trust-strip div + div {
  border-left: 1px solid var(--line);
  padding-left: 24px;
}

.trust-strip dt {
  margin: 0 0 4px;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--ink), var(--ink-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.trust-strip dd {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
}

/* ===== Product Preview ===== */
.product-preview {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-xl);
  animation: fadeInUp 1s ease-out 0.3s both, float 6s ease-in-out 2s infinite;
  transition: box-shadow var(--transition-slow), transform var(--transition-slow);
}

.product-preview:hover {
  box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.2);
  transform: translateY(-4px);
}

.office-preview:hover {
  transform: none;
}

.preview-topbar {
  display: flex;
  gap: 8px;
  align-items: center;
  height: 40px;
  padding: 0 16px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #f8fafc, #f1f5f9);
}

.preview-topbar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #cbd5e1;
  transition: background var(--transition-fast);
}

.preview-topbar span:nth-child(1) {
  background: #fb7185;
}

.preview-topbar span:nth-child(2) {
  background: #fbbf24;
}

.preview-topbar span:nth-child(3) {
  background: #34d399;
}

.preview-topbar .preview-title {
  width: auto;
  height: auto;
  border-radius: 0;
  background: transparent;
  margin-left: auto;
  margin-right: 8px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
}

.preview-shell {
  display: grid;
  grid-template-columns: 152px minmax(0, 1fr);
  min-height: 440px;
}

.preview-sidebar {
  padding: 28px 20px;
  border-right: 1px solid var(--line);
  background: linear-gradient(180deg, #f1f5f9, #e2e8f0);
}

.session {
  height: 28px;
  margin-bottom: 22px;
  border-radius: var(--radius-sm);
  background: #cbd5e1;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.session:hover {
  background: #94a3b8;
  transform: translateX(3px);
}

.session.active {
  background: linear-gradient(135deg, var(--blue-100), #bfdbfe);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.15);
}

.session.active:hover {
  background: linear-gradient(135deg, #bfdbfe, #93c5fd);
}

.session.short {
  width: 68%;
}

.preview-conversation {
  padding: 36px 28px;
}

.preview-conversation h2 {
  margin: 0 0 24px;
  font-size: 20px;
  font-weight: 700;
  color: var(--ink-light);
}

.bubble {
  max-width: 290px;
  margin-bottom: 18px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  color: var(--ink-light);
  font-size: 13px;
  line-height: 1.5;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.bubble:hover {
  transform: translateX(-2px);
}

.bubble.user {
  margin-left: auto;
  background: linear-gradient(135deg, #dbeafe, #eff6ff);
  border-bottom-right-radius: 3px;
}

.bubble.user:hover {
  transform: translateX(2px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.1);
}

.bubble.echo {
  background: linear-gradient(135deg, #f1f5f9, #f8fafc);
  border-bottom-left-radius: 3px;
}

.tool-card {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, #fff, #f8fafc);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.tool-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.tool-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.tool-card-head strong {
  font-weight: 700;
  color: var(--ink-light);
}

.tool-card-head span {
  padding: 4px 10px;
  border-radius: 999px;
  color: var(--green);
  background: var(--green-50);
  font-size: 12px;
  font-weight: 700;
  border: 1px solid rgba(5, 150, 105, 0.15);
  animation: pulse-soft 2s ease-in-out infinite;
}

.meter {
  height: 6px;
  margin-top: 10px;
  border-radius: 999px;
  background: var(--line-light);
  overflow: hidden;
  position: relative;
}

.meter::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.4) 50%, transparent 100%);
  animation: shimmer 2s infinite;
}

.meter i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--blue), var(--blue-light));
  transition: width 1s ease-out;
}

.meter:nth-of-type(3) i {
  background: linear-gradient(90deg, var(--teal), var(--teal-light));
}

/* ===== Downloads ===== */
.download-hero {
  justify-content: flex-start;
  min-height: auto;
  padding: var(--space-download-hero-top) 0 var(--space-download-hero-bottom);
  overflow: visible;
}

.download-hero::before,
.download-hero::after {
  display: none;
}

.page-glow-field {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.download-page-main,
.download-page > .site-footer {
  position: relative;
  z-index: 1;
}

.download-page > .site-footer {
  background: #fff;
}

.page-glow-layer {
  position: absolute;
  inset: -30%;
  width: 160%;
  height: 160%;
}

.page-glow-layer i {
  position: absolute;
  inset: 0;
  display: block;
  filter: blur(56px);
  will-change: transform;
}

.page-glow-layer-blue i {
  background: radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.22) 0%, transparent 30%);
  animation: orbit 50s linear infinite;
}

.page-glow-layer-purple i {
  background: radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.16) 0%, transparent 28%);
  animation: orbit2 65s linear infinite reverse;
}

.page-glow-layer-teal i {
  background: radial-gradient(circle at 50% 50%, rgba(20, 184, 166, 0.14) 0%, transparent 26%);
  animation: orbit3 72s linear infinite;
}

@media (prefers-reduced-motion: reduce) {
  .page-glow-layer i {
    animation: none;
  }
}

.download-hero-layout {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(32px, 4vw, 64px);
  align-items: start;
  width: 100%;
  max-width: none;
  margin: 0 auto;
  padding: clamp(34px, 4.2vw, 54px) max(32px, calc((100% - 1584px) / 2));
  overflow: visible;
  border-top: 0;
  border-bottom: 1px solid rgba(148, 163, 184, 0.55);
  border-left: 0;
  border-right: 0;
  border-radius: 0;
  background: transparent;
  box-shadow:
    inset 0 -1px 0 rgba(15, 23, 42, 0.05),
    0 14px 30px rgba(15, 23, 42, 0.065);
}

.download-hero-text {
  text-align: left;
}

.download-hero-text .eyebrow {
  text-align: left;
  margin-bottom: 16px;
}

.download-hero-text h1 {
  text-align: left;
  margin: 0;
  max-width: none;
  font-size: clamp(32px, 3vw, 44px);
  line-height: 1.12;
  font-weight: 900;
}

.download-hero-lede {
  max-width: 680px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

.download-web-entry {
  --scroll-fade-opacity: 1;
  display: flex;
  align-items: center;
  width: fit-content;
  gap: 5px;
  margin: 14px 0 0 auto;
  color: #6750a4;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.5;
  text-decoration: none;
  opacity: var(--scroll-fade-opacity);
  will-change: opacity;
}

.download-web-entry:hover {
  color: #4f378b;
}

.download-web-entry:focus-visible {
  outline: 3px solid #a99ad2;
  outline-offset: 4px;
}

.download-web-entry svg {
  width: 15px;
  height: 15px;
  fill: currentColor;
  transition: transform 150ms ease;
}

.download-web-entry:hover svg {
  transform: translateX(2px);
}

.download-enter-reveal {
  animation: downloadEnterReveal 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.download-enter-delay-2 {
  animation-delay: 0.2s;
}

.download-enter-delay-3 {
  animation-delay: 0.3s;
}

@keyframes downloadEnterReveal {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: var(--scroll-fade-opacity, 1);
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .download-enter-reveal {
    animation: none;
  }
}

.product-section-nav-slot {
  min-height: var(--product-section-nav-height);
  margin-top: 36px;
}

@media (min-width: 1024px) {
  .download-hero-text .product-section-nav,
  .download-page .product-section-nav-inner {
    width: 100%;
    min-width: 0;
  }

  .download-page .product-section-nav-link {
    flex: 1 0 25%;
    padding: 0 8px;
    font-size: 14px;
  }
}

.download-hero-preview {
  min-width: 0;
}

.download-hero-screenshot-backplate {
  width: min(100%, 760px);
  margin-left: auto;
  padding: 12px;
  border: 1px solid rgba(226, 232, 240, 0.78);
  border-radius: 30px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(239, 246, 255, 0.78));
  box-shadow: 0 30px 80px rgba(15, 23, 42, 0.16), 0 8px 24px rgba(79, 70, 229, 0.08);
}

.download-preview-frame {
  position: relative;
  width: min(100%, 560px);
  margin-left: auto;
  overflow: hidden;
  border: 1px solid rgba(226, 232, 240, 0.82);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 28px 76px rgba(15, 23, 42, 0.13);
}

.download-hero-screenshot-frame {
  width: 100%;
  margin-left: 0;
  border-color: rgba(226, 232, 240, 0.72);
  border-radius: 20px;
  background: #fff;
  box-shadow: none;
}

.download-hero-screenshot {
  display: block;
  width: 100%;
  height: auto;
}

.download-preview-toolbar {
  display: grid;
  grid-template-columns: 8px 8px 8px minmax(0, 1fr);
  align-items: center;
  gap: 6px;
  height: 26px;
  padding: 0 14px;
  border-bottom: 1px solid rgba(226, 232, 240, 0.86);
  background: #fff;
}

.download-preview-toolbar span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #e2e8f0;
}

.download-preview-toolbar i {
  justify-self: end;
  width: 118px;
  height: 9px;
  border-radius: 999px;
  background: #eef2f7;
}

.download-preview-page {
  display: grid;
  justify-items: center;
  padding: 32px 34px 20px;
  background:
    linear-gradient(135deg, rgba(219, 234, 254, 0.82), rgba(245, 243, 255, 0.72) 50%, rgba(255, 255, 255, 0.92));
}

.download-preview-page img {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.12);
}

.download-preview-page strong {
  margin-top: 16px;
  color: var(--ink);
  font-size: 20px;
  font-weight: 900;
}

.download-preview-page p {
  max-width: 360px;
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
  text-align: center;
}

.download-preview-actions {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.download-preview-actions b {
  width: 90px;
  height: 24px;
  border-radius: 999px;
  background: #111827;
}

.download-preview-actions b:nth-child(2) {
  width: 118px;
  border: 1px solid rgba(15, 23, 42, 0.14);
  background: rgba(255, 255, 255, 0.76);
}

.download-preview-console {
  width: 100%;
  margin-top: 30px;
  overflow: hidden;
  border-radius: 12px 12px 0 0;
  background: #171923;
  box-shadow: 0 14px 34px rgba(15, 23, 42, 0.22);
}

.download-preview-console div {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 28px;
  padding: 0 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: #222633;
}

.download-preview-console span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.32);
}

.download-preview-console pre {
  margin: 0;
  padding: 18px 22px 24px;
  color: #c7d2fe;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 13px;
  line-height: 1.6;
  white-space: pre-wrap;
}

.download-tabs {
  display: flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-bottom: 0;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background: var(--paper);
}

.download-tab {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border: 0;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.download-tab:hover {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.6);
}

.download-tab.active {
  color: var(--ink);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.download-tab-panels {
  position: relative;
}

.download-tab-panel {
  display: none;
}

.download-tab-panel.active {
  display: block;
}

.download-tab-panel .download-card {
  display: flex;
  flex-direction: column;
  min-height: 210px;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  margin: 0;
}

.download-tab-panel .download-card .button {
  align-self: flex-end;
  width: fit-content;
  margin-left: auto;
  margin-top: 4px;
}

.product-section-nav {
  position: relative;
  z-index: 30;
  width: fit-content;
  max-width: 100%;
  margin: 0;
}

.product-section-nav.is-docked {
  position: fixed;
  z-index: 60;
  top: calc(var(--header-height) + var(--product-section-nav-stick-gap));
  left: 50%;
  right: auto;
  bottom: auto;
  width: min(760px, calc(100vw - var(--space-page-x) - var(--space-page-x)));
  max-width: none;
  margin: 0;
  transform: translateX(-50%);
}

.product-section-nav-inner {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) 36px;
  align-items: center;
  gap: 4px;
  min-width: min(620px, calc(100vw - var(--space-page-x) - var(--space-page-x)));
  min-height: 54px;
  padding: 6px;
  border: 1px solid rgba(226, 232, 240, 0.62);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.34);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.05);
  backdrop-filter: blur(18px) saturate(1.25);
  -webkit-backdrop-filter: blur(18px) saturate(1.25);
}

.product-section-nav-track {
  min-width: 0;
  display: flex;
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: x proximity;
  scrollbar-width: none;
}

.product-section-nav-track::-webkit-scrollbar {
  display: none;
}

.product-section-nav-arrow {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 0;
  border-radius: 50%;
  color: #64748b;
  background: transparent;
  cursor: pointer;
  transition: color 150ms ease, background 150ms ease, opacity 150ms ease;
}

.product-section-nav-arrow svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.product-section-nav-arrow:hover:not(:disabled) {
  color: var(--ink);
  background: rgba(148, 163, 184, 0.16);
}

.product-section-nav-arrow:disabled {
  opacity: 0.28;
  cursor: default;
}

.product-section-nav.is-docked .product-section-nav-inner {
  width: 100%;
  min-width: 100%;
}

.product-section-nav-link {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 calc(100% / 3.5);
  min-width: 0;
  min-height: 42px;
  padding: 0 12px;
  border-radius: 999px;
  color: var(--ink);
  font-size: 16px;
  font-weight: 850;
  text-decoration: none;
  white-space: nowrap;
  scroll-snap-align: center;
  transition: background 0.12s linear, color 0.12s linear;
}

.product-section-nav-link:hover {
  color: var(--ink);
  background: rgba(148, 163, 184, 0.16);
}

.product-section-nav-link.active {
  color: var(--ink);
  background: rgba(148, 163, 184, 0.28);
  box-shadow: inset 0 0 0 1px rgba(100, 116, 139, 0.16), 0 6px 16px rgba(15, 23, 42, 0.06);
}

.product-anchor,
#product-probe,
#product-browser,
#product-office,
#product-memory {
  scroll-margin-top: calc(var(--header-height) + var(--product-section-nav-stick-gap) + var(--product-section-nav-height) + 24px);
}

.download-page .browser-install.reveal:target {
  opacity: 1;
  transform: none;
  transition: none;
}

.memory-install-card {
  align-items: stretch;
}

.memory-install-visual {
  min-width: 0;
}

.product-anchor {
  display: block;
  height: 0;
}

.download-section {
  padding-top: 0;
  padding-bottom: 100px;
}

.browser-install {
  max-width: 1120px;
  margin: 0 auto var(--space-showcase-top);
}

.office-install {
  margin-top: 24px;
}

.browser-install h2 {
  margin: 0 0 32px;
  color: var(--ink);
  font-size: 36px;
  font-weight: 850;
  line-height: 1.2;
  text-align: center;
}

.product-download-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin: 0 0 32px;
}

.product-download-title img {
  width: 48px;
  height: 48px;
  flex: none;
  object-fit: contain;
}

.browser-install .product-download-title h2 {
  margin: 0;
}

.browser-install-card {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  gap: 56px;
  align-items: center;
  padding: 48px;
  border: 1px solid var(--line-light);
  border-radius: var(--radius-xl);
  background: #fff;
  box-shadow: var(--shadow-md);
}

#product-probe .browser-install-card {
  align-items: start;
}

#product-probe .browser-install-copy {
  align-self: stretch;
  display: flex;
  flex-direction: column;
}

#product-probe .probe-download-picker {
  margin-top: auto;
  padding-top: 26px;
}

.browser-install-visual {
  min-width: 0;
}

.probe-device-showcase {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
}

.plugin-visual-backdrop {
  --plugin-backplate-width: calc(100% - 36px);
  --plugin-image-inset: 16px;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(219, 234, 254, 0.96), rgba(196, 181, 253, 0.56) 48%, rgba(94, 234, 212, 0.58));
}

.plugin-screenshot-frame {
  position: absolute;
  z-index: 1;
  top: 50%;
  left: 50%;
  width: var(--plugin-backplate-width);
  transform: translate(-50%, -50%);
  overflow: hidden;
  padding: var(--plugin-image-inset);
  border: 1px solid rgba(226, 232, 240, 0.62);
  border-radius: 24px;
  background: rgba(239, 255, 255, 0.68);
  box-shadow: 0 18px 38px rgba(15, 23, 42, 0.08);
  box-sizing: border-box;
}

.plugin-screenshot {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(226, 232, 240, 0.82);
  border-radius: 18px;
  background: transparent;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.09);
  box-sizing: border-box;
}

.plugin-install-card {
  grid-template-areas: "visual copy";
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  align-items: stretch;
}

.memory-install-card,
.office-install-card {
  grid-template-areas: "copy visual";
  grid-template-columns: minmax(360px, 0.92fr) minmax(0, 1.08fr);
}

.plugin-install-card .plugin-install-visual {
  grid-area: visual;
  min-width: 0;
  min-height: 380px;
  height: auto;
}

.plugin-install-card .plugin-visual-backdrop {
  height: 100%;
}

.plugin-install-card .browser-install-copy {
  grid-area: copy;
  align-self: stretch;
}

.plugin-install-card .install-download-actions {
  justify-content: center;
  width: 100%;
  margin-top: auto;
  padding-top: 26px;
}

.plugin-install-card .install-download-button.button.primary {
  border-color: rgba(103, 80, 164, 0.16);
  color: #21005d;
  background: linear-gradient(135deg, #f5f1ff 0%, #eef8ff 100%);
  box-shadow: 0 6px 16px rgba(79, 55, 139, 0.12);
}

.plugin-install-card .install-download-button.button.primary:hover {
  border-color: rgba(103, 80, 164, 0.3);
  color: #21005d;
  box-shadow: 0 8px 22px rgba(79, 55, 139, 0.17);
}

.office-install-visual {
  min-width: 0;
}

.office-visual-backdrop {
  min-height: 430px;
}

.office-window-stack {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 430px;
}

.office-stack-window {
  position: absolute;
  overflow: hidden;
  border: 1px solid rgba(226, 232, 240, 0.92);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 18px 36px rgba(15, 23, 42, 0.16);
}

.office-stack-titlebar {
  display: grid;
  grid-template-columns: 7px 7px 7px minmax(0, 1fr);
  align-items: center;
  gap: 5px;
  height: 28px;
  padding: 0 10px;
  color: #fff;
}

.office-stack-titlebar span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.72);
}

.office-stack-titlebar strong {
  overflow: hidden;
  font-size: 9px;
  font-weight: 700;
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.office-stack-titlebar-word {
  background: #185abd;
}

.office-stack-titlebar-powerpoint {
  background: #c43e1c;
}

.office-stack-titlebar-excel {
  background: #107c41;
}

.office-stack-window > img {
  display: block;
  width: 100%;
  height: calc(100% - 28px);
  object-fit: cover;
  object-position: top center;
}

.office-stack-window-word {
  z-index: 1;
  top: 22px;
  right: 4%;
  width: 82%;
  height: 72%;
}

.office-stack-window-powerpoint {
  z-index: 2;
  top: 64px;
  left: 4%;
  width: 86%;
  height: 74%;
}

.office-stack-window-excel {
  z-index: 3;
  right: 5%;
  bottom: 20px;
  width: 88%;
  height: 72%;
}

.office-word-preview {
  width: 100%;
  min-height: 0;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  grid-template-rows: 42px minmax(0, 1fr);
}

.office-word-preview .word-preview-canvas {
  padding-top: 16px;
}

.office-word-preview .word-preview-canvas article {
  min-height: 230px;
  padding-top: 20px;
}

.office-download-actions {
  align-items: stretch;
  justify-content: center;
  gap: 8px;
}

.office-install-description {
  display: grid;
  gap: 12px;
}

.office-download-actions .office-download-button {
  flex: 1 1 0;
  justify-content: space-between;
  gap: 12px;
  width: auto;
  max-width: 196px;
  min-width: 0;
  min-height: 48px;
  padding: 8px 14px;
  text-decoration: none;
}

.office-download-platform {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  text-align: left;
  line-height: 1.2;
}

.office-download-button svg {
  flex: 0 0 auto;
  width: 17px;
  height: 17px;
}

.plugin-release-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

.word-visual-backdrop {
  display: grid;
  place-items: center;
  padding: 26px;
}

.word-install-preview {
  width: min(100%, 500px);
  height: 100%;
  min-height: 326px;
  display: grid;
  grid-template-rows: 34px 52px minmax(0, 1fr);
  overflow: hidden;
  border: 1px solid rgba(226, 232, 240, 0.82);
  border-radius: 20px;
  background: #f0f0f0;
  box-shadow: 0 18px 38px rgba(15, 23, 42, 0.11);
}

.word-preview-titlebar {
  display: grid;
  grid-template-columns: 8px 8px 8px minmax(0, 1fr);
  align-items: center;
  gap: 6px;
  padding: 0 12px;
  color: #fff;
  background: #185abd;
}

.word-preview-titlebar span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.word-preview-titlebar span:nth-child(1) { background: #ff5f57; }
.word-preview-titlebar span:nth-child(2) { background: #ffbd2e; }
.word-preview-titlebar span:nth-child(3) { background: #28c840; }

.word-preview-titlebar strong {
  overflow: hidden;
  font-size: 10px;
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.word-preview-ribbon {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border-bottom: 1px solid #d7dce4;
  background: linear-gradient(180deg, #fff, #f4f4f5);
}

.word-preview-ribbon i {
  width: 30px;
  height: 28px;
  display: block;
  border: 1px solid #d6dae1;
  border-radius: 4px;
  background: linear-gradient(#fff, #edf2f7);
}

.word-preview-ribbon i:nth-child(2),
.word-preview-ribbon i:nth-child(5) { width: 58px; }

.word-preview-canvas {
  min-height: 0;
  overflow: hidden;
  padding: 22px 30px 0;
  background: #e9e9e9;
}

.word-preview-canvas article {
  width: min(84%, 310px);
  min-height: 290px;
  margin: 0 auto;
  padding: 28px 32px;
  background: #fff;
  box-shadow: 0 0 0 1px #d2d2d2, 0 10px 24px rgba(31, 36, 48, 0.12);
}

.word-preview-canvas h3 {
  margin: 0 0 16px;
  color: #111827;
  font-size: 15px;
}

.word-preview-canvas p,
.word-preview-canvas section span {
  height: 5px;
  display: block;
  margin: 0 0 7px;
  border-radius: 999px;
  background: #d9dee7;
}

.word-preview-canvas p.short { width: 68%; }

.word-preview-canvas section {
  display: grid;
  gap: 5px;
  margin-top: 18px;
}

.word-preview-canvas section strong {
  margin-bottom: 3px;
  color: #185abd;
  font-size: 10px;
}

.word-preview-canvas aside {
  display: grid;
  gap: 4px;
  margin-top: 18px;
  padding: 8px 10px;
  border-left: 3px solid #185abd;
  background: #eff6ff;
}

.word-preview-canvas aside b { color: #185abd; font-size: 9px; }
.word-preview-canvas aside small { color: #475569; font-size: 7px; line-height: 1.4; }

.browser-install-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-width: 0;
}

.browser-install-copy h3 {
  margin: 0 0 8px;
  color: var(--ink);
  font-size: 22px;
  font-weight: 850;
  line-height: 1.28;
}

.browser-install-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.72;
}

.browser-install-copy > .browser-install-description {
  margin-top: 22px;
}

.browser-install-copy > .browser-install-description:first-child {
  margin-top: 0;
}

.download-page .download-hero-lede,
.download-page .browser-install-description,
.download-page .browser-install-description p {
  color: #334155;
  font-size: 16px;
  line-height: 1.75;
}

.browser-install-support-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 20px;
}

.browser-install-logos {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex: none;
}

.browser-install-logos img {
  display: block;
  width: 22px;
  height: 22px;
  object-fit: contain;
}

.browser-install-copy .browser-install-support {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
  line-height: 1.5;
}

.browser-install-copy a {
  color: var(--ink);
  font-weight: 800;
}

.install-download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 0;
}

.install-download-button {
  width: fit-content;
}

.install-download-button.button.primary {
  color: #fff;
}

.probe-download-picker {
  width: 100%;
  margin-top: 26px;
  text-align: center;
}

.probe-primary-download {
  top: -12px;
  gap: 8px;
  text-decoration: none;
}

.button.primary.soft-primary,
.button.primary.probe-primary-download {
  border-color: rgba(103, 80, 164, 0.16);
  color: #21005d;
  background: linear-gradient(135deg, #f5f1ff 0%, #eef8ff 100%);
  box-shadow: 0 6px 16px rgba(79, 55, 139, 0.12);
}

.button.primary.soft-primary:hover,
.button.primary.probe-primary-download:hover {
  border-color: rgba(103, 80, 164, 0.3);
  color: #21005d;
  box-shadow: 0 8px 22px rgba(79, 55, 139, 0.17);
}

.button.primary.probe-primary-download[aria-disabled="true"] {
  color: var(--muted);
  background: #f5f5f7;
  box-shadow: none;
  cursor: default;
  transform: none;
}

.probe-primary-download svg {
  width: 18px;
  height: 18px;
  flex: none;
  fill: currentColor;
}

.probe-primary-download strong {
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
}

.probe-other-downloads > div {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 18px;
  margin-top: 16px;
}

.probe-other-downloads a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
  transition: color 150ms ease, background-color 150ms ease;
}

.probe-platform-download-unavailable {
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 999px;
  color: var(--muted);
  background: #f5f5f7;
  cursor: not-allowed;
  font-size: 12px;
  font-weight: 700;
}

.probe-other-downloads a:hover {
  background: #f5f5f7;
  color: #4f378b;
}

.probe-other-downloads a[hidden] {
  display: none;
}

.probe-platform-download {
  position: relative;
  display: inline-flex;
}

.probe-platform-download[hidden] {
  display: none;
}

.probe-download-qr-popover {
  position: absolute;
  z-index: 8;
  left: 50%;
  bottom: calc(100% + 12px);
  width: 208px;
  display: grid;
  justify-items: center;
  padding: 16px;
  border: 1px solid rgba(103, 80, 164, 0.15);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 16px 38px rgba(45, 35, 75, 0.2);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate(-50%, 8px) scale(0.96);
  transform-origin: center bottom;
  transition: opacity 160ms ease, transform 180ms ease, visibility 160ms;
  backdrop-filter: blur(16px);
}

.probe-download-qr-popover::after {
  position: absolute;
  top: 100%;
  left: 50%;
  width: 12px;
  height: 12px;
  border-right: 1px solid rgba(103, 80, 164, 0.15);
  border-bottom: 1px solid rgba(103, 80, 164, 0.15);
  background: rgba(255, 255, 255, 0.96);
  content: "";
  transform: translate(-50%, -6px) rotate(45deg);
}

.probe-platform-download-qr:hover .probe-download-qr-popover,
.probe-platform-download-qr:focus-within .probe-download-qr-popover {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0) scale(1);
}

.probe-download-qr-code {
  width: 176px;
  height: 176px;
  display: block;
}

.probe-other-downloads svg {
  width: 17px;
  height: 17px;
  fill: currentColor;
}

.probe-other-downloads .probe-download-qr-code svg {
  display: block;
  width: 100%;
  height: 100%;
}

.browser-install-steps {
  margin-top: 22px;
}

#product-browser .browser-store-install + .browser-install-steps {
  margin-top: 36px;
}

.browser-store-install {
  margin-top: 22px;
}

.browser-store-install h4 {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  color: var(--ink);
  font-size: 16px;
  font-weight: 850;
}

.browser-store-install h4 small {
  padding: 3px 8px;
  border-radius: 999px;
  color: #5b3ca6;
  background: #f2edff;
  font-size: 11px;
  font-weight: 800;
  line-height: 1.2;
}

.browser-store-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.browser-install-copy .browser-store-button {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 40px;
  padding: 8px 14px;
  border: 1px solid rgba(103, 80, 164, 0.2);
  border-radius: 999px;
  color: #352069;
  background: linear-gradient(105deg, #f3efff 0%, #eefbff 100%);
  box-shadow: 0 5px 13px rgba(91, 70, 145, 0.12);
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
  transition: border-color 150ms ease, box-shadow 150ms ease, transform 150ms ease;
}

.browser-store-button:hover {
  border-color: rgba(103, 80, 164, 0.38);
  color: #352069;
  background: linear-gradient(105deg, #eee8ff 0%, #e8f8ff 100%);
  box-shadow: 0 7px 17px rgba(91, 70, 145, 0.17);
  text-decoration: none;
  transform: translateY(-1px);
}

.browser-store-button:focus-visible {
  outline: 3px solid rgba(103, 80, 164, 0.24);
  outline-offset: 2px;
}

.browser-store-button svg,
.browser-offline-download svg {
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.plugin-install-card .browser-offline-actions {
  position: relative;
  justify-content: flex-start;
  align-items: center;
  gap: 16px;
  width: 100%;
  margin-top: 0;
  padding-top: 14px;
}

#product-browser .browser-offline-download {
  gap: 8px;
  width: fit-content;
  min-height: 40px;
  padding: 0 17px;
  font-size: 13px;
  text-decoration: none;
}

.browser-install-steps h4 {
  margin: 0 0 14px;
  color: var(--ink);
  font-size: 16px;
  font-weight: 850;
}

.browser-install-steps ol {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 22px;
  color: var(--ink-light);
  font-size: 15px;
  line-height: 1.62;
}

.browser-install-steps li::marker {
  color: var(--ink);
  font-weight: 800;
}

.browser-install-steps code {
  display: inline-block;
  margin-top: 6px;
  padding: 4px 8px;
  border-radius: 7px;
  color: var(--ink);
  background: var(--line-light);
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.92em;
}

.browser-install-codes {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}

.browser-install-codes code {
  margin-top: 0;
}

.powerpoint-install-window {
  overflow: hidden;
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: 0 22px 54px rgba(15, 23, 42, 0.13);
}

.powerpoint-install-ribbon {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 48px;
  padding: 0 22px;
  border-bottom: 1px solid var(--line-light);
  background: #fff7ed;
}

.powerpoint-install-ribbon span {
  width: 58px;
  height: 8px;
  border-radius: 999px;
  background: rgba(234, 88, 12, 0.18);
}

.powerpoint-install-ribbon span:first-child {
  width: 96px;
  background: rgba(234, 88, 12, 0.38);
}

.powerpoint-install-stage {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  min-height: 280px;
  background: #f8fafc;
}

.powerpoint-install-stage aside {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: 22px 16px;
  border-right: 1px solid var(--line-light);
  background: #fff;
}

.powerpoint-install-stage aside i {
  height: 48px;
  border: 1px solid rgba(251, 146, 60, 0.32);
  border-radius: 8px;
  background: linear-gradient(135deg, #fff7ed, #ffedd5);
}

.powerpoint-install-stage section {
  display: grid;
  align-content: center;
  gap: 16px;
  margin: 24px;
  padding: 38px 42px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}

.powerpoint-install-stage section b {
  width: 56%;
  height: 18px;
  border-radius: 999px;
  background: #ea580c;
}

.powerpoint-install-stage section p {
  width: 78%;
  height: 10px;
  margin: 0;
  border-radius: 999px;
  background: var(--line);
}

.powerpoint-install-stage section div {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 16px;
}

.powerpoint-install-stage section span {
  height: 64px;
  border-radius: 10px;
  background: linear-gradient(135deg, #fed7aa, #ffedd5);
}

.download-card {
  min-height: auto;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.download-platform {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 30px;
  margin-bottom: 16px;
  padding: 0 12px;
  border: 1px solid var(--blue-100);
  border-radius: var(--radius-sm);
  color: var(--blue);
  background: var(--blue-50);
  font-size: 12px;
  font-weight: 800;
}

.download-card:nth-child(2) .download-platform {
  border-color: rgba(13, 148, 136, 0.16);
  color: var(--teal);
  background: rgba(13, 148, 136, 0.08);
}

.download-card-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.download-card-title img {
  width: 40px;
  height: 40px;
  flex: none;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
}

.download-card h2,
.download-card h3 {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.download-card p {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.download-meta {
  list-style: none;
  margin: 0 0 8px;
  padding: 12px 0;
  border-top: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
}

.download-meta li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 5px 0;
  font-size: 12px;
}

.download-meta span {
  color: var(--muted);
  font-weight: 600;
}

.download-meta b {
  color: var(--ink);
  font-weight: 700;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

/* Visual: Notifications */
.visual-notify {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 220px;
}

.notify-card {
  padding: 14px 16px;
  border: 1px solid var(--line-light);
  border-radius: var(--radius-md);
  background: #fff;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  animation: slideInRight 0.5s ease-out backwards;
}

.notify-card:nth-child(1) { animation-delay: 0.1s; }
.notify-card:nth-child(2) { animation-delay: 0.3s; }
.notify-card:nth-child(3) { animation-delay: 0.5s; }

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.notify-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-top: 4px;
  flex-shrink: 0;
}

.notify-dot.blue { background: var(--blue); box-shadow: 0 0 0 3px var(--blue-50); }
.notify-dot.teal { background: var(--teal); box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.12); }
.notify-dot.amber { background: var(--amber); box-shadow: 0 0 0 3px var(--amber-50); }

.notify-content {
  flex: 1;
}

.notify-content strong {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--ink-light);
  margin-bottom: 2px;
}

.notify-content span {
  font-size: 11px;
  color: var(--muted);
}

/* Compare table */
.download-compare {
  margin-top: 64px;
  padding-top: 48px;
  border-top: 1px solid var(--line);
}

.download-compare h3 {
  margin: 0 0 32px;
  font-size: 22px;
  font-weight: 800;
  text-align: center;
}

.compare-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.compare-table thead {
  background: var(--paper);
}

.compare-table th,
.compare-table td {
  padding: 16px 24px;
  text-align: left;
  border-bottom: 1px solid var(--line-light);
}

.compare-table th {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.compare-table th:nth-child(2) {
  color: var(--ink);
}

.compare-table tbody tr:last-child td {
  border-bottom: 0;
}

.compare-table td {
  color: var(--ink-light);
  font-weight: 600;
}

.compare-table tbody tr:nth-child(even) td {
  background: #eef1f5;
}

.compare-table td:nth-child(2),
.compare-table td:nth-child(3) {
  text-align: center;
  width: 160px;
}

.compare-table td:nth-child(2) {
  font-weight: 700;
}

.compare-table .check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
}

.compare-table .check svg {
  width: 12px;
  height: 12px;
  stroke-width: 3;
}

.compare-table .dash {
  display: inline-block;
  width: 14px;
  height: 2px;
  border-radius: 1px;
  background: var(--line);
  vertical-align: middle;
}

/* ===== Sections ===== */
.section {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-section-y) var(--space-page-x);
}

.section-heading {
  animation: fadeInUp 0.8s ease-out;
}

.section-heading h1,
.section-heading h2 {
  margin: 0;
  max-width: 680px;
  font-size: var(--type-section-title);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.section-heading p {
  max-width: 600px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: var(--type-section-copy);
  line-height: 1.6;
}

.section-heading.compact {
  max-width: 720px;
}

/* ===== Entry Cards ===== */
.entry-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-entry-grid-gap);
  margin-top: var(--space-entry-grid-top);
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
}

.entry-card {
  padding: var(--space-entry-card-pad);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: #fff;
  transition: all var(--transition-base);
  position: relative;
}

.entry-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--line);
}

.entry-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--size-entry-icon);
  height: var(--size-entry-icon);
  margin-bottom: var(--space-entry-icon-bottom);
  border-radius: 50%;
  background: var(--paper);
  color: var(--ink);
  transition: background var(--transition-fast);
}

.entry-card:hover .entry-icon {
  background: var(--line-light);
}

.blue {
  background: linear-gradient(135deg, var(--blue), var(--blue-light));
}

.teal {
  background: linear-gradient(135deg, var(--teal), var(--teal-light));
}

.green {
  background: linear-gradient(135deg, var(--green), var(--green-light));
}

.violet {
  background: linear-gradient(135deg, var(--violet), var(--violet-light));
}

.amber {
  background: linear-gradient(135deg, var(--amber), var(--amber-light));
}

.entry-card h3 {
  margin: 0 0 16px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.entry-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
  font-size: 14px;
}

/* ===== Echo App Showcase ===== */
.echo-app-showcase {
  padding: clamp(80px, 10vw, 144px) 0 clamp(72px, 9vw, 128px);
  overflow: hidden;
  background: #fff;
}

.echo-app-showcase-heading {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto clamp(32px, 5vw, 56px);
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
}

.echo-app-showcase-heading > div:first-child {
  min-width: 0;
  flex: 1;
}

.echo-app-showcase-heading h2 {
  max-width: none;
  margin: 12px 0 0;
  color: #17151b;
  white-space: nowrap;
}

.echo-app-showcase-description {
  max-width: 820px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: clamp(16px, 1.55vw, 19px);
  font-weight: 500;
  line-height: 1.72;
}

.echo-app-showcase-controls {
  display: flex;
  justify-content: center;
  gap: 12px;
  width: min(1180px, calc(100% - 48px));
  margin: 12px auto 0;
}

.echo-app-showcase-controls button {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 50%;
  color: #343138;
  background: #e3e3e8;
  cursor: pointer;
  transition: opacity var(--transition-fast), transform var(--transition-fast), background var(--transition-fast);
}

.echo-app-showcase-controls svg {
  display: block;
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.echo-app-showcase-controls button:hover:not(:disabled) {
  background: #d7d7dd;
  transform: scale(1.04);
}

.echo-app-showcase-controls button:disabled {
  opacity: 0.35;
  cursor: default;
}

.echo-app-showcase-rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: min(760px, calc(100vw - 96px));
  gap: 22px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  padding: 0 max(48px, calc((100vw - 760px) / 2)) 16px;
}

.echo-app-showcase-rail::-webkit-scrollbar {
  display: none;
}

.echo-app-card {
  position: relative;
  min-height: 460px;
  overflow: hidden;
  display: grid;
  grid-template-rows: auto minmax(210px, 1fr);
  scroll-snap-align: center;
  border-radius: 30px;
  color: #fff;
  isolation: isolate;
}

.echo-app-card-copy {
  position: relative;
  z-index: 3;
  max-width: 600px;
  padding: clamp(34px, 5vw, 60px) clamp(32px, 5vw, 64px) 18px;
}

.echo-app-card-copy > span {
  display: block;
  margin-bottom: 12px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  font-weight: 750;
}

.echo-app-card-copy h3 {
  max-width: 560px;
  margin: 0;
  font-size: var(--type-home-card-title);
  line-height: 1.16;
  letter-spacing: -0.025em;
  white-space: nowrap;
}

.echo-app-card-copy p {
  max-width: 540px;
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 16px;
  line-height: 1.6;
}

.echo-app-card-create {
  background:
    radial-gradient(circle at 78% 70%, rgba(193, 157, 255, 0.66), transparent 34%),
    linear-gradient(145deg, #18052f, #4d1685 58%, #7a40ba);
}

.echo-app-builder {
  align-self: end;
  justify-self: end;
  width: min(620px, 88%);
  margin: 0 36px -38px 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 24px 24px 0 0;
  color: #2f2838;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 30px 90px rgba(16, 2, 30, 0.34);
  transform: rotate(-1deg);
}

.echo-app-builder-head {
  height: 40px;
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) 72px;
  align-items: center;
  padding: 0 14px;
  border-bottom: 1px solid #ece7f0;
  font-size: 10px;
}

.echo-app-builder-head i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #8b5fc1;
}

.echo-app-builder-head strong {
  justify-self: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 11px;
}

.echo-app-builder-chat {
  min-height: 210px;
  display: grid;
  align-content: start;
  gap: 14px;
  padding: 15px 18px 24px;
  background: rgba(255, 251, 255, 0.88);
  font-size: 10px;
  line-height: 1.48;
}

.echo-builder-user {
  justify-self: end;
  max-width: 76%;
}

.echo-builder-user p {
  margin: 0;
  padding: 9px 12px;
  border-radius: 16px;
  background: #eadcff;
  color: #332a3b;
}

.echo-builder-user > div,
.echo-builder-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 5px;
  color: #8e8496;
  font-size: 8px;
}

.echo-builder-assistant {
  display: grid;
  justify-items: start;
  gap: 6px;
}

.echo-builder-assistant p {
  margin: 0;
}

.echo-builder-thinking {
  color: #6750a4;
  font-size: 8px;
  font-weight: 700;
}

.echo-builder-complete {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 750;
}

.echo-builder-complete i {
  width: 15px;
  height: 15px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #e8f6ea;
  color: #2d8a45;
  font-size: 9px;
  font-style: normal;
}

.echo-builder-step {
  opacity: 0;
  transform: translateY(5px);
  animation-duration: 12s;
  animation-iteration-count: infinite;
  animation-fill-mode: both;
}

.echo-builder-step.step-0 { animation-name: echoBuilderStep0; }
.echo-builder-step.step-1 { animation-name: echoBuilderStep1; }
.echo-builder-step.step-2 { animation-name: echoBuilderStep2; }
.echo-builder-step.step-3 { animation-name: echoBuilderStep3; }
.echo-builder-step.step-4 { animation-name: echoBuilderStep4; }
.echo-builder-step.step-5 { animation-name: echoBuilderStep5; }

@keyframes echoBuilderStep0 {
  0%, 3%, 100% { opacity: 0; transform: translateY(5px); }
  6%, 94% { opacity: 1; transform: translateY(0); }
}

@keyframes echoBuilderStep1 {
  0%, 12%, 100% { opacity: 0; transform: translateY(5px); }
  16%, 94% { opacity: 1; transform: translateY(0); }
}

@keyframes echoBuilderStep2 {
  0%, 23%, 100% { opacity: 0; transform: translateY(5px); }
  27%, 94% { opacity: 1; transform: translateY(0); }
}

@keyframes echoBuilderStep3 {
  0%, 34%, 100% { opacity: 0; transform: translateY(5px); }
  38%, 94% { opacity: 1; transform: translateY(0); }
}

@keyframes echoBuilderStep4 {
  0%, 45%, 100% { opacity: 0; transform: translateY(5px); }
  49%, 94% { opacity: 1; transform: translateY(0); }
}

@keyframes echoBuilderStep5 {
  0%, 56%, 100% { opacity: 0; transform: translateY(5px); }
  60%, 94% { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .echo-builder-step {
    animation: none;
  }

  .echo-builder-step {
    opacity: 1;
    transform: none;
  }
}

.echo-app-card-space {
  background:
    radial-gradient(circle at 30% 85%, rgba(101, 201, 255, 0.5), transparent 34%),
    linear-gradient(145deg, #06233e, #07527c 58%, #2586a9);
}

.echo-app-capability-space {
  position: relative;
  min-height: 230px;
  margin: 0 40px 22px;
}

.echo-capability-links {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}

.echo-capability-links path {
  fill: none;
  stroke: rgba(203, 235, 255, 0.62);
  stroke-width: 2;
  stroke-linecap: round;
}

.echo-capability-links .echo-capability-link-main {
  stroke: rgba(255, 255, 255, 0.9);
  stroke-width: 3;
}

.echo-capability-flow-dot {
  fill: #d8f2ff;
  filter: drop-shadow(0 0 7px rgba(216, 242, 255, 0.9));
}

.echo-capability-flow-dot.flow-dot-main {
  fill: #fff;
  filter: drop-shadow(0 0 9px rgba(255, 255, 255, 0.95));
}

.echo-capability-app,
.echo-capability-hub,
.echo-capability-node {
  position: absolute;
  display: grid;
  place-items: center;
  align-content: center;
  border: 1px solid rgba(255, 255, 255, 0.34);
  box-shadow: 0 20px 50px rgba(0, 19, 34, 0.24);
  backdrop-filter: blur(18px);
}

.echo-capability-app {
  left: 3%;
  top: 50%;
  width: 170px;
  height: 116px;
  gap: 8px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.94);
  color: #16455f;
  transform: translateY(-50%) rotate(-2deg);
}

.echo-capability-app strong {
  font-size: 20px;
}

.echo-capability-hub {
  left: 52%;
  top: 50%;
  width: 104px;
  height: 104px;
  gap: 6px;
  border-radius: 50%;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(197, 230, 255, 0.86));
  color: #0b4264;
  transform: translate(-50%, -50%);
  box-shadow: 0 22px 54px rgba(0, 20, 40, 0.3), 0 0 0 10px rgba(255, 255, 255, 0.08);
}

.echo-capability-hub strong {
  font-size: 18px;
  white-space: nowrap;
}

.echo-capability-node {
  right: 1%;
  width: 116px;
  min-height: 46px;
  padding: 0 12px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  font-size: 12px;
  font-weight: 750;
}

.node-skill { top: 2%; transform: rotate(2deg); }
.node-tool { top: 50%; transform: translateY(-50%) rotate(-1deg); }
.node-connection { bottom: 2%; transform: rotate(2deg); }

.echo-app-card-work {
  background:
    radial-gradient(circle at 75% 80%, rgba(255, 210, 224, 0.72), transparent 34%),
    linear-gradient(145deg, #5a1833, #b4446a 58%, #e58491);
}

.echo-app-marketplace-visual {
  align-self: end;
  width: calc(100% - 88px);
  height: clamp(220px, 26vw, 270px);
  margin: 0 44px -24px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.62);
  border-radius: 24px 24px 0 0;
  background: #fffafd;
  box-shadow: 0 28px 70px rgba(72, 14, 38, 0.28);
  transform: rotate(-1.2deg);
  transform-origin: bottom center;
}

.echo-app-marketplace-visual img {
  width: 100%;
  height: auto;
  display: block;
}

/* ===== Philosophy ===== */
.philosophy-section {
  min-height: auto;
  padding-top: min(clamp(56px, 9vh, 96px), clamp(32px, 4vw, 96px));
  padding-bottom: min(clamp(64px, 10vh, 96px), clamp(40px, 4.5vw, 96px));
}

.philosophy-layout {
  width: min(100%, 1500px);
  display: flex;
  flex-direction: column;
  gap: var(--space-philosophy-gap);
  align-items: center;
  margin: 0 auto;
  min-height: 0;
}

.philosophy-content {
  width: min(100%, 1480px);
  display: grid;
  justify-items: center;
  gap: clamp(12px, 1.4vw, 24px);
  text-align: center;
}

.philosophy-copy p {
  max-width: 820px;
  margin: 0 auto;
  color: var(--muted);
  font-size: clamp(16px, 1.55vw, 19px);
  font-weight: 500;
  line-height: 1.72;
}

.philosophy-slogan h2 {
  max-width: 1480px;
  margin: 0 auto;
}

.philosophy-section .product-preview {
  flex: none;
  width: min(100%, 900px);
  max-width: 900px;
  margin: 0 auto;
  animation: none;
  position: relative;
  top: auto;
}

.office-preview {
  color: #3f2d5c;
  background: #fff;
}

.office-shell {
  display: grid;
  grid-template-columns: 160px minmax(270px, 1fr) 160px;
  min-height: 480px;
  height: 480px;
  overflow: hidden;
  transition: grid-template-columns var(--transition-base);
}

.office-preview.left-collapsed .office-shell {
  grid-template-columns: 44px minmax(270px, 1fr) 160px;
}

.office-preview.right-collapsed .office-shell {
  grid-template-columns: 160px minmax(270px, 1fr) 0;
}

.office-preview.left-collapsed.right-collapsed .office-shell {
  grid-template-columns: 44px minmax(270px, 1fr) 0;
}

.office-side {
  min-width: 0;
  overflow: hidden;
  background: #fff;
  transition: opacity var(--transition-base);
}

.office-preview.left-collapsed .office-left {
  opacity: 1;
  pointer-events: auto;
}

.office-preview.right-collapsed .office-right {
  opacity: 0;
  pointer-events: none;
  border-left-color: transparent;
}

.office-left {
  display: grid;
  grid-template-rows: 34px minmax(0, 1fr) 40px;
  border-right: 1px solid #f1e9fb;
  padding: 0;
  background: #fff;
}

.office-mini-rail { display: none; }

.office-preview.left-collapsed .office-left {
  display: block;
}

.office-preview.left-collapsed .office-left > :not(.office-mini-rail) {
  display: none;
}

.office-preview.left-collapsed .office-mini-rail {
  width: 44px;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 4px 6px;
  box-sizing: border-box;
  background: #fff;
}

.office-mini-rail button {
  position: relative;
  width: 28px;
  height: 28px;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  padding: 0;
  border: 0;
  border-radius: 7px;
  color: #79747e;
  background: transparent;
  cursor: pointer;
}

.office-mini-rail button:hover { color: #21005d; background: rgba(103, 80, 164, 0.08); }
.office-mini-rail svg { width: 16px; height: 16px; fill: currentColor; }
.office-mini-rail nav { display: grid; gap: 3px; margin-top: 5px; }
.office-mini-rail .office-rail-logo { height: 34px; }
.office-mini-rail .office-rail-logo img { width: 24px; height: 24px; object-fit: contain; border-radius: 50%; }
.office-rail-divider { width: 22px; height: 1px; flex: 0 0 auto; margin: 5px 0; background: #e7e0ec; }
.office-mini-rail .office-rail-logo + .office-rail-divider { width: 44px; margin: 0 0 5px; background: #f1e9fb; }
.office-rail-spacer { flex: 1 1 auto; }
.office-mini-rail .office-rail-sessions { color: #79747e; background: transparent; box-shadow: none; }
.office-rail-sessions small { position: absolute; top: -3px; right: -3px; min-width: 15px; height: 15px; display: grid; place-items: center; padding: 0 3px; border-radius: 999px; color: #fff; background: #6750a4; font-size: 7px; line-height: 1; }
.office-mini-rail .office-rail-user span { width: 22px; height: 22px; display: grid; place-items: center; border-radius: 50%; color: #fff; background: #6750a4; font-size: 8px; }

.office-right {
  --office-panel-content-title-size: 9px;
  --office-panel-content-body-size: 7px;
  --office-panel-content-meta-size: 6.5px;
  border-left: 1px solid #f1e9fb;
  text-align: left;
  background: #fff;
}

.office-brand-row {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 132px;
  height: 34px;
  padding: 0 8px;
  border-bottom: 1px solid #f1e9fb;
}

.office-brand-row img {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  object-fit: contain;
}

.office-brand-row strong,
.office-brand-row small {
  display: block;
}

.office-brand-row strong {
  color: #21005d;
  font-size: 10px;
  line-height: 1.2;
}

.office-brand-row small {
  margin-top: 2px;
  color: #7a7089;
  font-size: 5.5px;
  white-space: nowrap;
}

.office-left-scroll {
  min-height: 0;
  overflow: hidden;
  position: relative;
  padding-right: 0;
}

.office-chat-actions {
  display: grid;
  gap: 5px;
  padding: 7px 8px 6px;
}

.office-new-chat,
.office-new-group {
  width: 100%;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 0 7px;
  border: 1px solid #8b72c5;
  border-radius: 999px;
  color: #553792;
  background: #fff;
  font-size: 8px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
}

.office-new-chat {
  border: 0;
  color: #fff;
  background: linear-gradient(135deg, #6750a4 0%, #21005d 100%);
  box-shadow: 0 4px 10px rgba(111, 80, 184, 0.18);
}

.office-chat-actions button span {
  width: 11px;
  height: 11px;
  display: inline-grid;
  place-items: center;
  margin-right: 4px;
  flex: 0 0 11px;
}

.office-chat-actions button svg,
.office-session-head svg,
.office-session-group svg {
  width: 100%;
  height: 100%;
  display: block;
  fill: currentColor;
}

.office-menu {
  display: grid;
  gap: 1px;
  margin: 1px 5px 0;
  padding: 0 0 5px;
  border-bottom: 1px solid #f1e9fb;
}

.office-menu button {
  display: flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
  min-height: 22px;
  padding: 0 8px;
  border: 0;
  background: transparent;
  color: #4b4058;
  font-size: 8px;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
}

.office-menu span {
  width: 12px;
  display: grid;
  place-items: center;
  color: #9a8aad;
  text-align: center;
}

.office-menu svg,
.office-tabs svg {
  width: 12px;
  height: 12px;
  display: block;
  fill: currentColor;
}

.office-session-head {
  display: grid;
  grid-template-columns: auto 1fr repeat(3, 10px);
  align-items: center;
  gap: 2px;
  min-width: 0;
  height: 22px;
  margin: 3px 8px 0;
  color: #3f2d5c;
  font-size: 7px;
}

.office-session-head span {
  width: 9px;
  height: 9px;
  display: grid;
  place-items: center;
  color: #77717f;
  font-size: 6px;
}

.office-session-head b {
  width: 9px;
  height: 9px;
  display: grid;
  place-items: center;
  color: #77717f;
  font-size: 8px;
  font-weight: 600;
  text-align: center;
}

.office-session-tabs {
  height: 21px;
  margin: 0 8px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  border-bottom: 1px solid #eee9f2;
  color: #77717f;
  font-size: 6.5px;
  text-align: center;
}

.office-session-tabs strong {
  align-self: stretch;
  display: grid;
  place-items: center;
  border-bottom: 1.5px solid #6750a4;
  color: #6750a4;
}

.office-session-group {
  height: 20px;
  margin: 0 8px;
  display: grid;
  grid-template-columns: 7px 9px 1fr auto;
  align-items: center;
  gap: 2px;
  color: #77717f;
  font-size: 6px;
}

.office-session-group > span {
  width: 7px;
  height: 7px;
  display: grid;
  place-items: center;
}

.office-session-group > span:nth-child(2) {
  width: 9px;
  height: 9px;
}

.office-session-group strong {
  font-weight: 500;
}

.office-session-list {
  display: grid;
  gap: 2px;
  min-width: 0;
  margin: 0 8px;
}

.office-session {
  width: 100%;
  min-height: 26px;
  padding: 4px 8px;
  border: 0;
  border-radius: 12px;
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.office-session.active {
  min-height: 32px;
  background: #eadcff;
}

.office-session span,
.office-session small {
  display: block;
}

.office-session span {
  color: #4b4058;
  overflow: hidden;
  font-size: 7px;
  font-weight: 500;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.office-session em {
  margin-left: 4px;
  padding: 2px 6px;
  border-radius: 999px;
  color: #705899;
  background: #ebe1fb;
  font-size: 9px;
  font-style: normal;
}

.office-session small {
  margin-top: 2px;
  color: #77717f;
  font-size: 6px;
}

.office-user-shell {
  padding: 3px 6px;
  border-top: 1px solid #f1e9fb;
  background: #fff;
}

.office-user-row {
  width: 100%;
  height: 32px;
  display: grid;
  grid-template-columns: 22px 1fr auto;
  align-items: center;
  gap: 5px;
  padding: 0 6px;
  border: 0;
  border-radius: 6px;
  background: #fff;
  font-size: 7px;
  text-align: left;
  cursor: pointer;
  transition: background-color 150ms ease;
}

.office-user-row:hover {
  background: rgba(103, 80, 164, 0.04);
}

.office-user-row > span {
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #6750a4;
  color: #fff;
}

.office-user-row strong {
  font-weight: 500;
}

.office-user-row small {
  color: #77717f;
}

.office-main {
  min-width: 0;
  width: 100%;
  height: 100%;
  display: grid;
  grid-template-rows: 34px minmax(0, 1fr) auto;
  background: #fefcff;
}

.office-main-top {
  display: grid;
  grid-template-columns: minmax(32px, 1fr) auto minmax(32px, 1fr);
  align-items: center;
  border-bottom: 1px solid #f1e9fb;
  background: #fff;
}

.office-main-top strong {
  text-align: center;
  font-size: 12px;
  color: #3f2d5c;
}

.office-title-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 2px;
  padding-right: 2px;
  justify-self: end;
}

.office-title-action {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: #625b71;
  cursor: pointer;
  transition: background-color 150ms cubic-bezier(0.4, 0, 0.2, 1);
}

.office-main-top > .office-toggle:first-child {
  justify-self: start;
  margin-left: 2px;
}

.office-preview.left-collapsed .office-main-top > .office-toggle:first-child {
  visibility: hidden;
  pointer-events: none;
}

.office-title-action svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

@media (hover: hover) {
  .office-title-action:hover {
    background-color: rgba(0, 0, 0, 0.04);
  }
}

.office-title-action:active {
  background-color: rgba(0, 0, 0, 0.08);
}

.office-thread {
  min-height: 0;
  padding: 12px 14px;
  overflow: hidden;
}

.office-note {
  display: grid;
  gap: 4px;
  margin-bottom: 12px;
  padding: 10px 12px;
  border: 1px solid #ece1fb;
  border-radius: 14px;
  background: #fefbff;
}

.office-note strong {
  font-size: 11px;
}

.office-note p {
  margin: 0;
  color: #91869d;
  font-size: 10px;
  line-height: 1.5;
}

.office-conversation {
  display: flex;
  flex-direction: column;
  gap: 24px;
  color: #2f2938;
  font-size: 10px;
  line-height: 1.55;
}

.office-chat-message {
  display: flex;
  min-width: 0;
  flex-direction: column;
}

.office-chat-message-user {
  align-items: flex-end;
  align-self: flex-end;
  max-width: 74%;
}

.office-user-bubble {
  max-width: 100%;
  margin: 0;
  padding: 10px 12px;
  border-radius: 18px;
  background: #eaddff;
  overflow-wrap: anywhere;
}

.office-chat-message-assistant {
  align-items: flex-start;
  max-width: 88%;
}

.office-assistant-copy {
  margin: 8px 0 10px;
  overflow-wrap: anywhere;
}

.office-reasoning-toggle,
.office-message-actions button {
  border: 0;
  background: transparent;
  color: #6750a4;
  font: inherit;
  cursor: pointer;
}

.office-reasoning-toggle {
  padding: 0;
  font-size: 8px;
}

.office-message-actions {
  display: flex;
  align-items: center;
  gap: 3px;
  margin-top: 4px;
  color: #837a89;
  font-size: 8px;
}

.office-message-actions button {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: 4px;
  padding: 3px 6px;
  border-radius: 999px;
}

.office-message-actions svg {
  width: 11px;
  height: 11px;
  fill: currentColor;
}

@media (hover: hover) {
  .office-reasoning-toggle:hover {
    text-decoration: underline;
  }

  .office-message-actions button:hover {
    background: rgba(103, 80, 164, 0.06);
  }
}

.office-input {
  min-height: 72px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 26px;
  grid-template-rows: minmax(18px, 1fr) 26px;
  align-items: center;
  column-gap: 8px;
  margin: 0 14px 4px;
  padding: 8px 10px;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 3px 1px -2px rgba(0, 0, 0, 0.2), 0 2px 2px rgba(0, 0, 0, 0.14), 0 1px 5px rgba(0, 0, 0, 0.12);
}

.office-input textarea {
  grid-column: 1 / -1;
  grid-row: 1;
  align-self: start;
  width: 100%;
  min-height: 18px;
  margin: 0;
  padding: 0;
  overflow: hidden;
  resize: none;
  border: 0;
  outline: 0;
  background: transparent;
  color: #9a91a7;
  font: inherit;
  font-size: 10px;
  line-height: 1.5;
}

.office-input textarea::placeholder {
  color: #9a91a7;
  opacity: 1;
}

.office-input-tools {
  grid-column: 1;
  grid-row: 2;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 5px;
  transform: translateY(2px);
}

.office-input button {
  padding: 0;
  border: 1px solid transparent;
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
}

.office-resource-add {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  color: #625b71;
}

.office-resource-add:hover {
  border-color: rgba(0, 0, 0, 0.12);
  background: rgba(0, 0, 0, 0.04);
}

.office-resource-add svg {
  width: 15px;
  height: 15px;
  fill: currentColor;
}

.office-input-chip {
  height: 20px;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 0 6px;
  border-radius: 999px;
  font-size: 7px;
  font-weight: 500;
  white-space: nowrap;
}

.office-input-chip.agent {
  color: #6750a4;
  background: rgba(103, 80, 164, 0.1);
}

.office-input-chip.agent svg {
  width: 11px;
  height: 11px;
  fill: currentColor;
}

.office-input-chip.model {
  color: #2e7d32;
  background: rgba(46, 125, 50, 0.08);
}

.office-input-chip.model i {
  width: 12px;
  height: 12px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: #6750a4;
  font-size: 6px;
  font-style: normal;
}

.office-send {
  grid-column: 2;
  grid-row: 2;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  color: #6750a4;
  transform: translateY(2px);
}

.office-send:hover {
  border-color: #6750a4;
  background: rgba(0, 0, 0, 0.04);
}

.office-send svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

.office-right h3 {
  margin: 0;
  height: 34px;
  padding: 0 10px;
  display: grid;
  place-items: center;
  border-bottom: 1px solid #f1e9fb;
  color: #21005d;
  font-size: 10px;
  font-weight: 500;
}
.office-capability-tabs {
  height: 30px;
  display: grid;
  grid-template-columns: 16px repeat(5, minmax(0, 1fr)) 16px;
  border-bottom: 1px solid #f1e9fb;
}

.office-capability-tabs button {
  position: relative;
  display: grid;
  place-items: center;
  padding: 0;
  border: 0;
  background: transparent;
  color: #8b8491;
  cursor: pointer;
}

.office-capability-tabs button.active { color: #6750a4; }
.office-capability-tabs button:hover:not(:disabled) { color: #21005d; background: rgba(103, 80, 164, 0.08); }
.office-capability-tabs button.active::after { content: ""; position: absolute; right: 3px; bottom: 0; left: 3px; height: 2px; background: #6750a4; }
.office-capability-tabs svg { width: 12px; height: 12px; fill: currentColor; }
.office-capability-step { font-size: 12px; }
.office-capability-content { display: grid; gap: 5px; padding: 7px; }

.office-capability-group {
  min-height: 34px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 6px;
  border: 1px solid rgba(103, 80, 164, 0.12);
  border-radius: 9px;
  background: linear-gradient(110deg, rgba(238, 233, 255, 0.72), rgba(252, 250, 255, 0.92));
}

.office-capability-group > span,
.office-capability-card > span {
  display: grid;
  place-items: center;
  color: #6750a4;
  background: #f8f4ff;
}

.office-capability-group > span { width: 22px; height: 22px; border-radius: 7px; }
.office-capability-group svg,
.office-capability-card svg { width: 14px; height: 14px; fill: currentColor; }
.office-capability-group div,
.office-capability-card div { min-width: 0; display: grid; }
.office-capability-group small,
.office-capability-card small { overflow: hidden; color: #77717f; font-size: 6px; text-overflow: ellipsis; white-space: nowrap; }
.office-capability-group strong { color: #4f388f; font-size: 8px; }

.office-capability-card {
  min-height: 38px;
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr) 20px;
  align-items: center;
  gap: 6px;
  padding: 5px 7px;
  border: 1px solid rgba(78, 68, 105, 0.1);
  border-radius: 11px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.97), rgba(249, 247, 255, 0.84));
  box-shadow: 0 8px 24px rgba(52, 42, 85, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.88);
  color: #2f2a3a;
  text-align: left;
}

.office-capability-card.featured {
  min-height: 48px;
  border-color: rgba(103, 80, 164, 0.22);
  border-radius: 13px;
  background: radial-gradient(circle at 7% 44%, rgba(124, 100, 221, 0.18) 0%, rgba(177, 163, 244, 0.13) 26%, transparent 49%), linear-gradient(104deg, #e1dcfa 0%, #eeeafe 32%, #f7f5ff 62%, #fff 100%);
  box-shadow: 0 16px 42px rgba(66, 52, 119, 0.1), 0 5px 18px rgba(66, 52, 119, 0.035);
}

.office-capability-card > span { width: 28px; height: 28px; border-radius: 9px; }
.office-capability-card strong { font-size: 9px; }
.office-capability-card:hover { border-color: rgba(103, 80, 164, 0.28); transform: translateY(-1px); }
.office-todo-icon { overflow: visible; background: transparent !important; }
.office-todo-icon img { width: 34px; height: 34px; object-fit: contain; }
.office-capability-add { display: grid; width: 18px; height: 18px; place-items: center; border-radius: 50%; background: rgba(103, 80, 164, 0.1); color: #6750a4; font-size: 12px; font-style: normal; opacity: 0; transition: opacity 150ms ease; }
.office-capability-card:hover .office-capability-add { opacity: 1; }

.office-portal-card,
.office-recommendation {
  padding: 6px 7px;
  border: 1px solid rgba(78, 68, 105, 0.1);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.62);
  box-shadow: 0 8px 24px rgba(52, 42, 85, 0.06);
}

.office-portal-card > strong,
.office-recommendation > strong { display: block; margin-bottom: 5px; color: #4f388f; font-size: 7px; }
.office-portal-card div { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }
.office-portal-card button { min-height: 28px; display: grid; place-items: center; gap: 1px; padding: 2px; border: 1px solid rgba(103, 80, 164, 0.14); border-radius: 8px; background: #fff; color: #3f2d5c; font-size: 6px; }
.office-portal-card button svg { width: 11px; height: 11px; fill: #6750a4; }
.office-recommendation span { display: block; overflow: hidden; font-size: 7px; font-weight: 650; text-overflow: ellipsis; white-space: nowrap; }

.office-panel-nav {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr) 24px;
  height: 36px;
  border-bottom: 1px solid #f1e9fb;
  color: #9a8fa6;
}

.office-panel-step {
  display: grid;
  place-items: center;
  border: 0;
  background: transparent;
  color: inherit;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
}

.office-panel-step:hover {
  color: #3f2d5c;
}

.office-panel-step:disabled {
  color: #c7c0cf;
  cursor: default;
}

.office-panel-step:disabled:hover {
  color: #c7c0cf;
}

.office-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  min-width: 0;
  overflow: hidden;
}

.office-tabs button {
  display: none;
  place-items: center;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.office-tabs button.is-visible {
  display: grid;
}

.office-tabs .active {
  color: #987fd2;
  border-bottom: 2px solid #987fd2;
}

.office-panel {
  display: none;
}

.office-panel.active {
  display: block;
}

.office-empty-panel {
  min-height: 280px;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 5px;
  padding: 10px;
  color: #79747e;
  text-align: center;
}

.office-empty-panel svg { width: 24px; height: 24px; fill: currentColor; }
.office-empty-panel strong { color: #3f2d5c; font-size: 9px; }
.office-empty-panel small { font-size: 7px; }

.office-artifacts-panel {
  height: 366px;
  display: flex;
  flex-direction: column;
  color: #49454f;
}

.office-artifacts-summary {
  min-height: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 8px;
  border-bottom: 1px solid #f1e9fb;
  color: #79747e;
  font-size: 7px;
}

.office-artifacts-summary button,
.office-artifact-list li > button {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 0;
  border-radius: 50%;
  color: #79747e;
  background: transparent;
  cursor: pointer;
}

.office-artifacts-summary button:hover,
.office-artifact-list li > button:hover {
  color: #21005d;
  background: rgba(103, 80, 164, 0.08);
}

.office-artifacts-summary svg,
.office-artifact-list li > button svg {
  width: 11px;
  height: 11px;
  fill: currentColor;
}

.office-artifact-list {
  flex: 1;
  min-height: 0;
  margin: 0;
  padding: 0;
  overflow-y: auto;
  list-style: none;
}

.office-artifact-list li {
  min-height: 46px;
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr) 24px;
  gap: 6px;
  align-items: center;
  padding: 6px 8px;
  border-bottom: 1px solid #f1e9fb;
}

.office-artifact-list li:hover { background: rgba(103, 80, 164, 0.04); }
.office-artifact-list li > div { min-width: 0; }
.office-artifact-list strong,
.office-artifact-list small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.office-artifact-list strong { color: #2f2a35; font-size: 7px; font-weight: 650; }
.office-artifact-list small { margin-top: 2px; color: #79747e; font-size: 6px; }

.office-artifact-icon {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: 7px;
}

.office-artifact-icon svg { width: 14px; height: 14px; fill: currentColor; }
.office-artifact-icon.spreadsheet { color: #15803d; background: #e8f5ec; }
.office-artifact-icon.presentation { color: #c2410c; background: #fff0e8; }

.office-artifacts-all {
  min-height: 34px;
  padding: 0 8px;
  border: 0;
  border-top: 1px solid #f1e9fb;
  color: #6750a4;
  background: #fff;
  font-size: 7px;
  cursor: pointer;
}

.office-artifacts-all:hover { background: rgba(103, 80, 164, 0.06); }

.office-user {
  display: grid;
  justify-items: center;
  gap: 5px;
  padding: 18px 8px;
}

.office-user span {
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  color: #fff;
  background: #9d83d6;
  font-size: 22px;
}

.office-user strong {
  color: #3f2d5c;
  font-size: 12px;
}

.office-user small {
  color: #7a7089;
  font-size: 10px;
}

.office-account {
  margin: 6px 8px 0;
  padding: 12px;
  border-radius: 14px;
  background: #fdf8ff;
}

.office-logout {
  display: block;
  width: 100%;
  padding: 8px 10px;
  border: 1px solid #ece0fa;
  border-radius: 999px;
  color: #111;
  background: #fff;
  font-size: 10px;
  font-weight: 800;
  cursor: pointer;
}

.office-focus-card {
  display: grid;
  justify-items: center;
  gap: 7px;
  margin: 92px 10px 12px;
  padding: 18px 12px;
  border: 1px dashed #d8d0e5;
  border-radius: 18px;
  color: #3f2d5c;
  text-align: center;
}

.office-panel-icon {
  color: #7a7089;
  font-size: 20px;
}

.office-focus-card strong {
  font-size: var(--office-panel-content-title-size);
  font-weight: 650;
}

.office-focus-card p {
  margin: 0;
  color: #555;
  font-size: var(--office-panel-content-body-size);
  line-height: 1.45;
}

.office-focus-card small {
  color: #8a8194;
  font-size: var(--office-panel-content-meta-size);
  line-height: 1.45;
}

.office-focus-browser,
.office-focus-sheet {
  margin: 14px 10px 10px;
  border: 1px solid #ece1fb;
  border-radius: 14px;
  background: #fff;
  overflow: hidden;
  text-align: left;
}

.focus-browser-top {
  display: flex;
  gap: 4px;
  align-items: center;
  height: 22px;
  padding: 0 8px;
  border-bottom: 1px solid #f1e9fb;
  background: #f7f1ff;
}

.focus-browser-top span {
  flex: 0 0 auto;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #cfc3e4;
}

.focus-browser-top em {
  flex: 1;
  margin-left: 4px;
  padding: 3px 6px;
  border-radius: 999px;
  background: #fff;
  color: #9a91a7;
  font-size: 7px;
  font-style: normal;
  white-space: nowrap;
}

.focus-web-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 10px 6px;
  border-bottom: 1px solid #f1e9fb;
}

.focus-web-nav b {
  margin-right: auto;
  color: #3f2d5c;
  font-size: 10px;
}

.focus-web-nav small {
  color: #9a91a7;
  font-size: 7px;
  font-weight: 700;
}

.focus-web-hero {
  margin: 8px 10px;
  padding: 10px;
  border-radius: 12px;
  background: linear-gradient(135deg, #f2eaff, #fff);
}

.focus-web-hero strong {
  display: block;
  margin: 0 0 4px;
  color: #3f2d5c;
  font-size: 11px;
}

.focus-web-hero p {
  margin: 0;
  color: #7a7089;
  font-size: 9px;
  line-height: 1.35;
}

.focus-web-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 30px;
  gap: 8px;
  margin: 0 10px 10px;
}

.focus-web-body i {
  display: block;
  height: 5px;
  margin: 0 0 5px;
  border-radius: 999px;
  background: #eee6f8;
}

.focus-web-body i.short {
  width: 58%;
  margin-bottom: 0;
}

.focus-web-body aside {
  display: grid;
  gap: 5px;
}

.focus-web-body aside span {
  display: block;
  min-height: 18px;
  border-radius: 7px;
  background: #f1e9fb;
}

.office-focus-sheet {
  margin-top: 10px;
  padding: 10px;
  background: #fbf8ff;
}

.sheet-title {
  margin-bottom: 8px;
  color: #3f2d5c;
  font-size: 10px;
  font-weight: 800;
}

.sheet-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.8fr 1fr;
  border-top: 1px solid #e6dbf5;
  border-left: 1px solid #e6dbf5;
}

.sheet-grid span,
.sheet-grid b {
  min-width: 0;
  padding: 5px 4px;
  border-right: 1px solid #e6dbf5;
  border-bottom: 1px solid #e6dbf5;
  font-size: 8px;
  line-height: 1.2;
}

.sheet-grid span {
  color: #3f2d5c;
  background: #f1e9fb;
  font-weight: 800;
}

.sheet-grid b {
  color: #5f536d;
  background: #fff;
  font-weight: 650;
}

.office-mini-list {
  margin: 0 10px;
  padding: 10px;
  border-radius: 14px;
  background: #fdf8ff;
}

.office-mini-list span,
.office-mini-list strong {
  display: block;
}

.office-mini-list span {
  color: #8a8194;
  font-size: 9px;
}

.office-mini-list strong {
  margin-top: 4px;
  color: #3f2d5c;
  font-size: 11px;
}

.office-context-panel { padding: 10px 8px; text-align: left; }
.office-path { display: flex; gap: 2px; margin: 0 0 6px; color: #21005d; font-size: 8px; }
.office-path strong { font-weight: 650; }
.office-context-description { margin: 0 0 8px; color: #79747e; font-size: 6.5px; line-height: 1.45; }
.office-context-filters { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-bottom: 8px; overflow: hidden; border: 1px solid #e7e0ec; border-radius: 8px; }
.office-context-filters button { height: 20px; padding: 0 2px; border: 0; border-right: 1px solid #e7e0ec; color: #79747e; background: #fff; font-size: 6px; cursor: pointer; }
.office-context-filters button:last-child { border-right: 0; }
.office-context-filters button.active { color: #6750a4; background: #eaddff; font-weight: 650; }
.office-context-count { margin: 0 0 7px; color: #79747e; font-size: 6.5px; opacity: 0.8; }
.office-context-list { padding: 3px; border: 1px solid #e7e0ec; border-radius: 12px; background: #fffaff; }
.office-context-card { width: 100%; min-height: 48px; display: grid; align-content: center; gap: 3px; padding: 7px 10px; border: 0; border-radius: 10px; color: #21005d; background: transparent; text-align: left; cursor: pointer; }
.office-context-card.active { background: #eaddff; }
.office-context-card strong { font-size: 8px; font-weight: 500; }
.office-context-card span { color: #2e7d32; font-size: 6.5px; }


.office-connection-card,
.office-config-card {
  margin: 14px 8px 10px;
  padding: 12px;
  border: 1px solid #e6dbef;
  border-radius: 16px;
  background: #fdf8ff;
  text-align: left;
}

.office-connection-card strong,
.office-connection-card span,
.office-connection-card em,
.office-connection-card small {
  display: block;
}

.office-connection-card strong {
  color: #2f155d;
  font-size: var(--office-panel-content-title-size);
  font-weight: 650;
  line-height: 1.25;
}

.office-connection-card span {
  margin-top: 4px;
  color: #6f6678;
  font-size: var(--office-panel-content-body-size);
}

.office-connection-card em {
  margin-top: 6px;
  color: #17843b;
  font-size: var(--office-panel-content-body-size);
  font-style: normal;
  font-weight: 650;
}

.office-connection-card small {
  margin-top: 6px;
  color: #6f6678;
  font-size: var(--office-panel-content-meta-size);
  line-height: 1.35;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.office-config-card {
  display: grid;
  gap: 9px;
}

.office-switch-row {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  color: #2a2630;
  font-size: 10px;
  font-weight: 700;
  line-height: 1.3;
}

.office-switch-row i {
  position: relative;
  display: block;
  width: 28px;
  height: 14px;
  border-radius: 999px;
  background: #a9a3ae;
}

.office-switch-row i::before {
  content: "";
  position: absolute;
  top: -2px;
  left: -1px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.office-endpoint {
  height: 34px;
  padding: 9px 10px;
  border: 1px solid #d7cde0;
  border-radius: 12px;
  color: #6f6678;
  background: #fff;
  font-size: 10px;
}

.office-config-card p {
  margin: 0;
  color: #6f6678;
  font-size: 9px;
}

.office-config-actions {
  display: grid;
  gap: 7px;
}

.office-config-actions button {
  min-height: 28px;
  padding: 0 8px;
  border: 1px solid #bda8df;
  border-radius: 999px;
  color: #7050aa;
  background: transparent;
  font-size: 9px;
  font-weight: 800;
  cursor: pointer;
}

.office-config-actions button:last-child {
  border-color: transparent;
  color: #fff;
  background: #7457b5;
  box-shadow: var(--shadow-sm);
}

.office-config-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  color: #7050aa;
  font-size: 8px;
  font-weight: 800;
}

.philosophy-section .preview-shell {
  grid-template-columns: 140px minmax(0, 1fr);
  min-height: 380px;
}

.philosophy-section .preview-sidebar {
  padding: 16px 12px;
}

.sidebar-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  padding: 0 4px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.philosophy-section .session {
  display: flex;
  align-items: center;
  gap: 8px;
  height: auto;
  margin-bottom: 6px;
  padding: 8px 6px;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.philosophy-section .session svg {
  flex: none;
  opacity: 0.6;
}

.philosophy-section .session:hover {
  background: rgba(255, 255, 255, 0.5);
  color: var(--ink-light);
  transform: translateX(2px);
}

.philosophy-section .session.active {
  background: linear-gradient(135deg, var(--blue-100), #bfdbfe);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.12);
  color: var(--blue);
}

.philosophy-section .session.active svg {
  opacity: 1;
  color: var(--blue);
}

.philosophy-section .session.short {
  width: auto;
  margin-top: auto;
  border-top: 1px dashed var(--line);
  border-radius: 0;
  padding-top: 12px;
  opacity: 0.7;
}

.preview-title {
  margin-left: auto;
  margin-right: 8px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
}

.preview-dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.preview-dashboard-header h2 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink-light);
}

.status-badge {
  padding: 3px 10px;
  border-radius: 999px;
  color: var(--green);
  background: var(--green-50);
  font-size: 11px;
  font-weight: 700;
  border: 1px solid rgba(5, 150, 105, 0.12);
  animation: pulse-soft 2s ease-in-out infinite;
}

.preview-mini-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 20px;
}

.mini-metric {
  padding: 12px;
  border: 1px solid var(--line-light);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, #f8fafc, #f1f5f9);
}

.mini-metric span {
  display: block;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
}

.mini-metric strong {
  display: block;
  margin: 6px 0 8px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.mini-metric i {
  display: block;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue), var(--blue-light));
}

.mini-metric i.warn {
  background: linear-gradient(90deg, var(--amber), var(--amber-light));
}

.mini-metric i.good {
  background: linear-gradient(90deg, var(--green), var(--green-light));
}

.tool-info {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-light);
}

.tool-actions {
  display: flex;
  gap: 8px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line-light);
}

.tool-action {
  flex: 1;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--ink-light);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tool-action:hover {
  background: var(--paper);
  border-color: var(--muted-light);
}

.tool-action.primary {
  border-color: transparent;
  color: #fff;
  background: var(--ink);
}

.tool-action.primary:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transform: translateY(-1px);
}

/* ===== Scenarios ===== */
.scenario-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 44px;
}

.echo-story-mount {
  min-height: 0;
  background: #ffffff;
}

.echo-story-mount:empty {
  min-height: 235vh;
}

.scenario-item {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
}

.scenario-head {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
  margin-bottom: 18px;
}

.scenario-icon {
  flex: none;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 0;
  border-radius: var(--radius-md);
  color: var(--blue);
  background: var(--blue-50);
}

.scenario-item h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
}

.scenario-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  margin-bottom: 0;
}

.scenario-title-row h3 {
  margin: 0;
}

.scenario-status {
  flex: none;
  padding: 3px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: var(--surface);
  font-size: 11px;
  font-weight: 750;
  line-height: 1.2;
}

.scenario-item p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

/* ===== Experience ===== */
.experience-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 720px;
  margin: 44px auto 0;
}

.experience-card {
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  text-align: center;
  transition: all var(--transition-base);
}

.experience-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.experience-card.primary {
  border-color: transparent;
  background: linear-gradient(135deg, var(--blue-50), #fff);
}

.experience-card h3 {
  margin: 0 0 10px;
  font-size: 20px;
  font-weight: 700;
}

.experience-card p {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

/* ===== More Capabilities ===== */
.echo-feature-showcase {
  padding: clamp(84px, 10vw, 144px) max(24px, calc((100vw - 1180px) / 2)) clamp(72px, 9vw, 120px);
  overflow: hidden;
  background: #fff;
}

.echo-feature-heading {
  margin-bottom: clamp(30px, 4.5vw, 52px);
}

.echo-feature-heading h2 {
  max-width: none;
  margin: 12px 0 0;
  color: #17151b;
}

.echo-feature-heading h2 span {
  display: block;
}

.echo-feature-stage {
  width: 100%;
  height: clamp(500px, 49vw, 620px);
  display: grid;
  overflow: hidden;
  border-radius: 30px;
  background: #edf1f7;
}

.echo-feature-panel {
  grid-area: 1 / 1;
  min-width: 0;
  min-height: 0;
  display: grid;
  place-items: center;
  padding: clamp(30px, 5vw, 64px);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px) scale(0.99);
  transition: opacity 360ms ease, transform 480ms cubic-bezier(0.16, 1, 0.3, 1), visibility 360ms;
}

.echo-feature-panel.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.feature-group,
.feature-skill,
.feature-agents,
.feature-todos,
.feature-memory {
  background: radial-gradient(circle at 14% 86%, #eadfff, transparent 36%), radial-gradient(circle at 86% 14%, #f3dff0, transparent 34%), linear-gradient(145deg, #f8f2fa, #fdfafd 58%, #eee5f4);
}

.feature-group-window,
.feature-skill-window,
.feature-agent-demo,
.feature-memory-window,
.feature-todo-window {
  width: min(960px, 100%);
  height: min(480px, 100%);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.84);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 16px 40px rgba(38, 31, 56, 0.12);
  backdrop-filter: blur(20px);
}

.feature-group-window {
  width: min(640px, 100%);
  display: grid;
  grid-template-rows: minmax(0, 1fr);
  place-items: center;
  padding: 18px;
  background: #f5f1f8;
}

.feature-group-screenshot {
  display: block;
  min-height: 0;
  width: auto;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  border-radius: 16px;
  object-fit: contain;
  object-position: center;
}

.feature-todo-window {
  width: min(760px, 100%);
  display: grid;
  place-items: center;
  padding: 18px;
  background: #f5f1f8;
}

.feature-todo-viewport {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: 16px;
  background: #fff;
}

.feature-todo-screenshot {
  position: absolute;
  display: block;
  object-position: center;
  opacity: 0;
  will-change: opacity, transform;
}

.feature-todo-create {
  top: 50%;
  left: 50%;
  width: auto;
  height: auto;
  max-width: 94%;
  max-height: 94%;
  object-fit: contain;
  transform: translate(-50%, -50%);
}

.feature-todo-scheduled {
  top: 55%;
  left: 76%;
  width: auto;
  height: auto;
  max-width: 46%;
  max-height: 55%;
  border-radius: 14px;
  object-fit: contain;
  transform: translate(30%, -50%) scale(0.94);
}

.feature-todos.active .feature-todo-create {
  animation: featureTodoCreate 9s ease-in-out infinite;
}

.feature-todos.active .feature-todo-scheduled {
  animation: featureTodoScheduled 9s ease-in-out infinite;
}

@keyframes featureTodoCreate {
  0%, 10% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  16%, 92% { opacity: 1; transform: translate(-62%, -50%) scale(0.86); }
  100% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

@keyframes featureTodoScheduled {
  0%, 10% { opacity: 0; transform: translate(30%, -50%) scale(0.94); }
  16%, 92% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  100% { opacity: 0; transform: translate(30%, -50%) scale(0.94); }
}

@media (prefers-reduced-motion: reduce) {
  .feature-todos.active .feature-todo-create {
    display: block;
    opacity: 1;
    transform: translate(-62%, -50%) scale(0.86);
    animation: none;
  }

  .feature-todos.active .feature-todo-scheduled {
    opacity: 1;
    transform: translate(-50%, -50%);
    animation: none;
  }
}

.feature-skill-window {
  display: block;
}

.feature-skill-screenshot {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.feature-agent-demo {
  display: grid;
  grid-template-rows: 52px minmax(0, 1fr) 62px;
  color: #312b3e;
  background: #fbf9fc;
}

.feature-agent-demo > header {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) 60px;
  align-items: center;
  padding: 0 20px;
  border-bottom: 1px solid #ebe6ef;
  background: rgba(255, 255, 255, 0.94);
}

.feature-agent-demo > header span {
  color: #77717c;
  font-size: 17px;
}

.feature-agent-demo > header strong {
  overflow: hidden;
  color: #321175;
  font-size: 15px;
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.feature-agent-demo > header i {
  color: #6750a4;
  font-size: 12px;
  font-style: normal;
  font-weight: 750;
  text-align: right;
}

.feature-agent-demo > main {
  min-height: 0;
  overflow: hidden;
  padding: 16px 28px 16px;
}

.feature-agent-demo-user,
.feature-agent-demo-reply,
.feature-agent-demo-tasks {
  opacity: 0;
}

.feature-agent-demo-user {
  width: fit-content;
  max-width: 62%;
  margin-left: auto;
  padding: 13px 18px;
  border-radius: 20px 20px 5px 20px;
  color: #392e48;
  background: #eadcff;
  font-size: 13px;
  line-height: 1.45;
}

.feature-agent-demo-reply {
  max-width: 78%;
  margin-top: 20px;
}

.feature-agent-demo-reply span {
  display: block;
  margin-bottom: 6px;
  color: #6750a4;
  font-size: 10px;
  font-weight: 750;
}

.feature-agent-demo-reply p {
  margin: 0;
  color: #4e4855;
  font-size: 12px;
  line-height: 1.55;
}

.feature-agent-demo-user.second {
  max-height: 0;
  margin-top: 0;
  padding-top: 0;
  padding-bottom: 0;
  overflow: hidden;
}

.feature-agent-demo-tasks {
  margin-top: 16px;
  padding: 10px;
  border: 1px solid #e4d9ee;
  border-radius: 18px;
  background: #f1eafa;
}

.feature-agent-demo-tasks > header {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 24px;
  padding: 0 4px 8px;
}

.feature-agent-demo-tasks > header strong {
  font-size: 11px;
}

.feature-agent-demo-tasks > header span,
.feature-agent-demo-tasks > header small {
  border-radius: 999px;
  font-size: 9px;
  font-weight: 750;
}

.feature-agent-demo-tasks > header span {
  padding: 2px 7px;
  background: #e0d3f0;
}

.feature-agent-demo-tasks > header small {
  padding: 3px 8px;
  color: #49709a;
  background: #dceefa;
}

.feature-agent-demo-count,
.feature-agent-demo-status {
  display: grid;
  place-items: center;
}

.feature-agent-demo-count i,
.feature-agent-demo-status i {
  grid-area: 1 / 1;
  font-style: normal;
}

.feature-agent-demo-count i:last-child,
.feature-agent-demo-status i:last-child {
  opacity: 0;
}

.feature-agent-demo-tasks article {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  min-height: 54px;
  margin-top: 7px;
  padding: 8px 12px;
  border-radius: 14px;
  background: #fff;
  opacity: 0;
}

.feature-agent-demo-tasks article i {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  color: #fff;
  background: #7555b8;
  font-size: 10px;
  font-style: normal;
  font-weight: 750;
}

.feature-agent-demo-tasks article div {
  min-width: 0;
  display: grid;
  gap: 3px;
}

.feature-agent-demo-tasks article strong,
.feature-agent-demo-tasks article small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.feature-agent-demo-tasks article strong {
  font-size: 11px;
}

.feature-agent-demo-tasks article small,
.feature-agent-demo-tasks article b {
  color: #85808d;
  font-size: 9px;
}

.feature-agent-demo-tasks article b {
  color: #6750a4;
}

.feature-agent-demo > footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto 26px;
  align-items: center;
  gap: 10px;
  margin: 0 20px 14px;
  padding: 0 16px;
  border: 1px solid #e5e0e9;
  border-radius: 18px;
  color: #9a949f;
  background: #fff;
  box-shadow: 0 6px 18px rgba(38, 31, 56, 0.08);
  font-size: 11px;
}

.feature-agent-demo > footer b {
  padding: 4px 9px;
  border-radius: 999px;
  color: #6750a4;
  background: #f0eafb;
  font-size: 9px;
}

.feature-agent-demo > footer i {
  color: #6750a4;
  font-size: 18px;
  font-style: normal;
  text-align: center;
}

.feature-agents.active .feature-agent-demo-user.first {
  animation: featureAgentUser 11s ease-in-out infinite;
}

.feature-agents.active .feature-agent-demo-reply {
  animation: featureAgentReply 11s ease-in-out infinite;
}

.feature-agents.active .feature-agent-demo-user.second {
  animation: featureAgentSecondUser 11s ease-in-out infinite;
}

.feature-agents.active .feature-agent-demo-tasks {
  animation: featureAgentTasks 11s ease-in-out infinite;
}

.feature-agents.active .feature-agent-demo-tasks article:first-of-type {
  animation: featureAgentTaskRowOne 11s ease-in-out infinite;
}

.feature-agents.active .feature-agent-demo-tasks article:last-of-type {
  animation: featureAgentTaskRowTwo 11s ease-in-out infinite;
}

.feature-agents.active .feature-agent-demo-count i:first-child,
.feature-agents.active .feature-agent-demo-status i:first-child {
  animation: featureAgentCountOne 11s step-end infinite;
}

.feature-agents.active .feature-agent-demo-count i:last-child,
.feature-agents.active .feature-agent-demo-status i:last-child {
  animation: featureAgentCountTwo 11s step-end infinite;
}

@keyframes featureAgentUser {
  0%, 6%, 97%, 100% { opacity: 0; transform: translateY(12px); }
  13%, 92% { opacity: 1; transform: translateY(0); }
}

@keyframes featureAgentReply {
  0%, 19%, 97%, 100% { opacity: 0; transform: translateY(12px); }
  27%, 92% { opacity: 1; transform: translateY(0); }
}

@keyframes featureAgentSecondUser {
  0%, 57%, 97%, 100% { opacity: 0; max-height: 0; margin-top: 0; padding-top: 0; padding-bottom: 0; transform: translateY(10px); }
  65%, 92% { opacity: 1; max-height: 56px; margin-top: 12px; padding-top: 13px; padding-bottom: 13px; transform: translateY(0); }
}

@keyframes featureAgentTasks {
  0%, 32%, 97%, 100% { opacity: 0; transform: translateY(16px) scale(0.98); }
  40%, 92% { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes featureAgentTaskRowOne {
  0%, 38%, 97%, 100% { opacity: 0; transform: translateX(-10px); }
  46%, 92% { opacity: 1; transform: translateX(0); }
}

@keyframes featureAgentTaskRowTwo {
  0%, 68%, 97%, 100% { opacity: 0; transform: translateX(-10px); }
  76%, 92% { opacity: 1; transform: translateX(0); }
}

@keyframes featureAgentCountOne {
  0%, 72% { opacity: 1; }
  73%, 100% { opacity: 0; }
}

@keyframes featureAgentCountTwo {
  0%, 72% { opacity: 0; }
  73%, 100% { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .feature-agent-demo-user,
  .feature-agent-demo-reply,
  .feature-agent-demo-tasks,
  .feature-agent-demo-tasks article {
    opacity: 1;
    transform: none;
    animation: none !important;
  }

  .feature-agent-demo-user.second {
    max-height: 56px;
    margin-top: 12px;
    padding-top: 13px;
    padding-bottom: 13px;
  }

  .feature-agent-demo-count i:first-child,
  .feature-agent-demo-status i:first-child {
    opacity: 0;
  }

  .feature-agent-demo-count i:last-child,
  .feature-agent-demo-status i:last-child {
    opacity: 1;
  }
}

.feature-memory-window {
  display: block;
  background: #fbf9fc;
}

.feature-memory-screenshot {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.echo-feature-tabs {
  display: flex;
  overflow-x: auto;
  margin: 46px 0 0;
  border-bottom: 1px solid #d8d8dc;
  scrollbar-width: none;
}

.echo-feature-tabs::-webkit-scrollbar {
  display: none;
}

.echo-feature-tabs button {
  flex: 1 0 auto;
  min-height: 54px;
  padding: 0 28px;
  border: 0;
  border-bottom: 2px solid transparent;
  color: #77777e;
  background: transparent;
  font-size: 15px;
  font-weight: 650;
  white-space: nowrap;
  cursor: pointer;
}

.echo-feature-tabs button.active {
  border-bottom-color: #1d1d1f;
  color: #1d1d1f;
}

.echo-feature-captions {
  min-height: 78px;
  display: grid;
  place-items: start center;
  padding: 28px 20px 0;
}

.echo-feature-captions p {
  grid-area: 1 / 1;
  max-width: 760px;
  margin: 0;
  color: #85858c;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  text-align: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(5px);
  transition: opacity 240ms ease, transform 320ms ease, visibility 240ms;
}

.echo-feature-captions p.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.echo-feature-captions .feature-memory-name {
  color: #29252f;
  font-weight: inherit;
}

.echo-feature-captions .feature-memory-more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-left: 10px;
  padding: 0;
  border: 0;
  color: #56565e;
  background: transparent;
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: color 160ms ease;
}

.echo-feature-captions .feature-memory-more i {
  font-style: normal;
  transition: transform 160ms ease;
}

.echo-feature-captions .feature-memory-more:hover,
.echo-feature-captions .feature-memory-more:focus-visible {
  color: #6750a4;
}

.echo-feature-captions .feature-memory-more:hover i,
.echo-feature-captions .feature-memory-more:focus-visible i {
  transform: translateX(3px);
}

@media (max-width: 720px) {
  .echo-feature-showcase {
    padding: 88px 20px 72px;
  }

  .echo-feature-stage {
    height: 560px;
    border-radius: 24px;
  }

  .echo-feature-panel {
    padding: 18px;
  }

  .feature-group-window,
    .feature-skill-window,
    .feature-agent-demo,
    .feature-memory-window,
    .feature-todo-window {
    height: 510px;
    border-radius: 19px;
  }

  .feature-todo-window {
    padding: 10px;
  }

  .feature-group-window {
    height: auto;
    aspect-ratio: 1630 / 1356;
    padding: 10px;
  }

  .feature-agent-demo {
    grid-template-rows: 48px minmax(0, 1fr) 58px;
  }

  .feature-agent-demo > header {
    grid-template-columns: 26px minmax(0, 1fr) 42px;
    padding: 0 12px;
  }

  .feature-agent-demo > header strong {
    font-size: 11px;
  }

  .feature-agent-demo > main {
    padding: 18px 14px 10px;
  }

  .feature-agent-demo-user {
    max-width: 88%;
    padding: 10px 13px;
    font-size: 10px;
  }

  .feature-agent-demo-reply {
    max-width: 94%;
    margin-top: 14px;
  }

  .feature-agent-demo-reply p {
    font-size: 9px;
  }

  .feature-agent-demo-tasks {
    margin-top: 14px;
    padding: 8px;
  }

  .feature-agent-demo-tasks article {
    grid-template-columns: 28px minmax(0, 1fr);
    min-height: 49px;
    padding: 7px 9px;
  }

  .feature-agent-demo-tasks article i {
    width: 27px;
    height: 27px;
  }

  .feature-agent-demo-tasks article b {
    display: none;
  }

  .feature-agent-demo > footer {
    margin: 0 10px 10px;
    padding: 0 11px;
  }

  .echo-feature-tabs {
    margin-top: 28px;
  }

  .echo-feature-tabs button {
    min-height: 50px;
    padding: 0 20px;
    font-size: 13px;
  }

  .echo-feature-captions {
    min-height: 98px;
    padding: 24px 4px 0;
  }

  .echo-feature-captions p {
    font-size: 14px;
  }
}

/* ===== Latest news ===== */
.echo-news-section {
  padding: clamp(84px, 10vw, 136px) 0;
  background: #f5f5f7;
}

.echo-news-heading,
.echo-news-carousel {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

.echo-news-heading {
  margin-bottom: 38px;
}

.echo-news-heading h2 {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #17151b;
}

.echo-news-heading-icon {
  font-size: 0.68em;
  line-height: 1;
}

.echo-news-carousel {
  --echo-news-card-min-height: 350px;
  --echo-news-card-height: var(--echo-news-card-min-height);
  position: relative;
  padding-right: 34px;
}

.echo-news-viewport {
  height: var(--echo-news-card-height);
  overflow: hidden;
  border-radius: 32px;
  outline: none;
}

.echo-news-viewport:focus-visible {
  box-shadow: 0 0 0 3px rgba(103, 80, 164, 0.22);
}

.echo-news-rail {
  display: grid;
  grid-auto-rows: var(--echo-news-card-height);
  transition: transform 560ms cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}

.echo-news-card {
  position: relative;
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: 36px clamp(36px, 4vw, 52px);
  border: 1px solid rgba(31, 36, 48, 0.08);
  border-radius: 32px;
  background: #fff;
  box-shadow: 0 24px 70px rgba(31, 36, 48, 0.08);
}

.echo-news-card::after {
  content: "";
  position: absolute;
  top: 50%;
  right: clamp(-110px, -6vw, -42px);
  width: clamp(220px, 30vw, 420px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(120, 132, 205, 0.17), rgba(112, 150, 225, 0.08) 48%, transparent 72%);
  transform: translateY(-50%);
  pointer-events: none;
}

.echo-news-card-copy {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.echo-news-card h3 {
  max-width: 650px;
  margin: 0;
  color: #17151b;
  font-size: var(--type-home-card-title);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.025em;
}

.echo-news-card-description {
  max-width: 610px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: clamp(16px, 1.55vw, 19px);
  font-weight: 500;
  line-height: 1.72;
}

.echo-news-links {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 30px 0 0 28px;
}

.echo-news-link {
  min-width: 168px;
  min-height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0 28px;
  border: 1px solid rgba(103, 80, 164, 0.18);
  border-radius: 999px;
  color: #6750a4;
  background: rgba(103, 80, 164, 0.07);
  font-size: 14px;
  font-weight: 700;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.echo-news-link:hover {
  border-color: rgba(103, 80, 164, 0.34);
  background: rgba(103, 80, 164, 0.11);
  transform: translateY(-1px);
}

.echo-news-link span:last-child {
  transition: transform var(--transition-fast);
}

.echo-news-link:hover span:last-child {
  transform: translateX(2px);
}

.echo-news-dots {
  position: absolute;
  top: 50%;
  right: 2px;
  display: grid;
  gap: 12px;
  transform: translateY(-50%);
}

.echo-news-dots button {
  width: 10px;
  height: 10px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(103, 80, 164, 0.24);
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.echo-news-dots button.active {
  background: #6750a4;
  transform: scale(1.25);
}

.echo-news-dots button:focus-visible {
  outline: 2px solid #6750a4;
  outline-offset: 3px;
}

/* ===== Download CTA ===== */
.echo-download-cta-section {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: grid;
  justify-items: center;
  padding: clamp(64px, 8vw, 96px) 24px clamp(72px, 9vw, 108px);
  background:
    radial-gradient(circle at 18% 22%, rgba(39, 169, 255, 0.36), transparent 34%),
    radial-gradient(circle at 78% 68%, rgba(126, 82, 255, 0.32), transparent 36%),
    linear-gradient(135deg, #d9efff 0%, #e7e1ff 52%, #dff9f7 100%);
}

.echo-download-cta-section::before {
  position: absolute;
  z-index: -2;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(37, 99, 235, 0.24) 0 8%,
    rgba(14, 165, 233, 0.1) 8% 16%,
    rgba(6, 182, 212, 0.24) 16% 24%,
    rgba(59, 130, 246, 0.1) 24% 32%,
    rgba(79, 70, 229, 0.24) 32% 40%,
    rgba(124, 58, 237, 0.11) 40% 48%,
    rgba(139, 92, 246, 0.25) 48% 56%,
    rgba(99, 102, 241, 0.1) 56% 64%,
    rgba(45, 170, 223, 0.24) 64% 72%,
    rgba(34, 211, 238, 0.1) 72% 80%,
    rgba(59, 130, 246, 0.24) 80% 90%,
    rgba(124, 58, 237, 0.12) 90% 100%
  );
  background-size: 50% 100%;
  background-repeat: repeat-x;
  content: "";
}

.echo-download-cta-section::after {
  position: absolute;
  z-index: -1;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0.5) 54%, rgba(255, 255, 255, 0.08) 100%),
    repeating-linear-gradient(90deg, transparent 0 3.75%, rgba(255, 255, 255, 0.22) 3.75% 4%, transparent 4% 8%);
  content: "";
  filter: blur(8px);
}

.echo-download-cta {
  position: relative;
  z-index: 1;
  width: min(980px, 100%);
  display: grid;
  justify-items: center;
  gap: 12px;
}

.echo-download-cta-copy {
  min-height: 1.1em;
  margin: 0 0 10px;
  color: #29252f;
  font-size: clamp(30px, 4vw, 52px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.035em;
  text-align: center;
}

.echo-download-cta-copy.is-typing::after {
  content: "";
  width: 2px;
  height: 0.88em;
  display: inline-block;
  margin-left: 5px;
  background: currentColor;
  vertical-align: -0.06em;
  animation: echoTypewriterCaret 720ms steps(1, end) infinite;
}

@keyframes echoTypewriterCaret {
  50% { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .echo-download-cta-copy.is-typing::after {
    display: none;
    animation: none;
  }
}

.echo-download-cta-primary {
  width: min(320px, 100%);
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 26px;
  border-radius: 999px;
  color: #fff;
  background: #6750a4;
  box-shadow: 0 10px 26px rgba(103, 80, 164, 0.22);
  font-size: 15px;
  font-weight: 750;
  transition: background var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.echo-download-cta-primary:hover {
  background: #59428f;
  box-shadow: 0 13px 30px rgba(103, 80, 164, 0.28);
  transform: translateY(-1px);
}

.echo-download-cta-web {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: #6750a4;
  font-size: 12px;
  font-weight: 650;
}

.echo-download-cta-web span:last-child {
  transition: transform var(--transition-fast);
}

.echo-download-cta-web:hover span:last-child {
  transform: translateX(2px);
}

@media (max-width: 720px) {
  .echo-news-section {
    padding: 72px 0;
  }

  .echo-news-heading,
  .echo-news-carousel {
    width: calc(100% - 40px);
  }

  .echo-news-heading {
    margin-bottom: 28px;
  }

  .echo-news-carousel {
    --echo-news-card-min-height: 400px;
    padding-right: 26px;
  }

  .echo-news-viewport,
  .echo-news-card {
    border-radius: 24px;
  }

  .echo-news-card {
    padding: 28px;
  }

  .echo-news-links {
    margin-left: 12px;
  }

  .echo-news-card::after {
    top: 78%;
    right: -120px;
  }

  .echo-download-cta {
    width: 100%;
  }
}

/* ===== FAQ ===== */
.faq-section {
  padding-top: clamp(28px, 4vh, 44px);
  padding-bottom: 100px;
}

.faq-heading {
  margin: 0 auto;
  text-align: center;
}

.faq-list {
  display: grid;
  grid-template-columns: 1fr;
  max-width: 800px;
  margin: 44px auto 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  overflow: hidden;
}

.faq-item {
  min-height: 0;
  border-bottom: 1px solid var(--line);
  background: #fff;
  overflow: hidden;
  transition: background var(--transition-base);
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 28px;
  cursor: pointer;
  list-style: none;
  color: var(--ink);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "";
  display: block;
  flex: 0 0 20px;
  width: 20px;
  height: 20px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  transition: transform var(--transition-base);
}

.faq-item.is-open summary::after {
  transform: rotate(180deg);
}

.faq-answer {
  display: grid;
  grid-template-rows: minmax(0px, 0fr);
  transition: grid-template-rows 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-item.is-open .faq-answer {
  grid-template-rows: minmax(0px, 1fr);
}

.faq-answer > * {
  overflow: hidden;
  min-height: 0;
}

.faq-answer-inner {
  padding: 0 28px 24px;
  border-top: 1px solid var(--line-light);
}

.faq-item p {
  margin: 0;
  padding-top: 18px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

/* ===== Footer ===== */
.site-footer {
  border-top: 1px solid var(--line);
  background: #fff;
}

.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 28px 64px 24px;
}

.home-main + .site-footer .footer-inner {
  padding-bottom: clamp(40px, 5vw, 64px);
}

.footer-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  align-items: start;
}

.footer-meta {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  gap: 24px;
}

.footer-notes {
  min-width: 0;
  text-align: left;
  max-width: 720px;
  margin: 0;
}

.footer-notes p,
.footer-filing,
.footer-filing-separator {
  color: var(--muted-light);
  font-size: 13px;
  line-height: 1.6;
}

.footer-notes p {
  margin: 0 0 6px;
}

.footer-notes p:last-child {
  margin-bottom: 0;
}

.footer-layout.homepage-footer-layout {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 16px 24px;
}

.footer-filings {
  display: grid;
  justify-items: end;
  justify-self: end;
  min-width: 0;
  max-width: 100%;
  gap: 6px;
}

.footer-filing-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  min-width: 0;
  max-width: 100%;
  gap: 8px;
}

.footer-filing {
  max-width: 100%;
  text-align: right;
  overflow-wrap: anywhere;
  transition: color var(--transition-fast);
}

.footer-filing:hover {
  color: var(--ink);
  text-decoration: underline;
}

.footer-filing:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 4px;
  border-radius: 2px;
}

.footer-filing-preview {
  margin: 0;
  max-width: 100%;
  color: var(--muted-light);
  font-size: 12px;
  line-height: 1.6;
  text-align: right;
  overflow-wrap: anywhere;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0;
  border-top: 0;
}

.footer-bottom p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  color: var(--muted-light);
  font-size: 13px;
  font-weight: 600;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--ink);
}

.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  transition: all var(--transition-fast);
}

.site-header > .lang-toggle {
  flex: none;
  margin-left: auto;
}

.lang-toggle span {
  display: grid;
  place-items: center;
  min-width: 28px;
  height: 24px;
  border-radius: 999px;
  padding: 0 6px;
  transition: all var(--transition-fast);
}

.lang-toggle span.active {
  background: #6750a4;
  color: #fff;
}

/* ===== Integration Section ===== */
.integration-section {
  padding-bottom: 100px;
  position: relative;
}

.integration-section::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.03) 0%, transparent 70%);
  pointer-events: none;
}

.flow {
  display: grid;
  grid-template-columns: 1fr 60px 1fr 60px 1fr 60px 1fr;
  align-items: center;
  margin-top: 36px;
  padding: 28px 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  transition: box-shadow var(--transition-base);
}

.flow:hover {
  box-shadow: var(--shadow-md);
}

.flow div {
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, #f8fafc, #f1f5f9);
  text-align: center;
  font-weight: 700;
  font-size: 14px;
  transition: all var(--transition-base);
  position: relative;
}

.flow div:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
  border-color: var(--blue-100);
  background: linear-gradient(180deg, #eff6ff, #dbeafe);
}

.flow span {
  height: 2px;
  background: linear-gradient(90deg, var(--line), var(--muted-light), var(--line));
  border-radius: 1px;
  position: relative;
}

.flow span::after {
  content: "";
  position: absolute;
  right: -4px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  border-left: 6px solid var(--muted-light);
}

.integration-copy {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 28px;
}

.integration-copy p {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

/* ===== Feedback Launcher ===== */
.feedback-launcher {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 20;
  min-height: 48px;
  padding: 0 22px;
  border: 0;
  border-radius: var(--radius-lg);
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--violet));
  box-shadow: 0 8px 28px rgba(37, 99, 235, 0.3);
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: all var(--transition-base);
  animation: fadeInUp 0.6s ease-out 1s both;
}

.feedback-launcher:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 12px 36px rgba(37, 99, 235, 0.4);
}

.feedback-launcher:active {
  transform: translateY(-1px) scale(1.02);
}

/* ===== Feedback Dialog ===== */
.feedback-dialog {
  width: min(440px, calc(100vw - 32px));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  color: var(--ink);
  box-shadow: var(--shadow-xl);
  padding: 0;
  animation: scaleIn 0.3s ease-out;
}

.feedback-dialog[open] {
  animation: scaleIn 0.3s ease-out;
}

.feedback-dialog::backdrop {
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(4px);
  animation: fadeIn 0.3s ease-out;
}

.feedback-dialog form {
  display: grid;
  gap: 20px;
  padding: 28px;
}

.dialog-head,
.dialog-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.dialog-head h2 {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.icon-button {
  width: 32px;
  height: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  cursor: pointer;
  display: grid;
  place-items: center;
  font-size: 18px;
  line-height: 1;
  color: var(--muted);
  transition: all var(--transition-fast);
}

.icon-button:hover {
  background: var(--paper);
  border-color: var(--muted-light);
  color: var(--ink);
  transform: rotate(90deg);
}

.feedback-dialog label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.feedback-dialog select,
.feedback-dialog textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  color: var(--ink);
  background: #fff;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.feedback-dialog select:focus,
.feedback-dialog textarea:focus {
  border-color: var(--blue-light);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.feedback-dialog textarea {
  resize: vertical;
  min-height: 100px;
}

.dialog-actions {
  margin-top: 4px;
}

/* ===== Dashboard ===== */
.dashboard-body {
  background: var(--paper);
}

.dashboard-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  min-height: 100vh;
}

.dashboard-sidebar {
  padding: 28px 20px;
  border-right: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
}

.dashboard-sidebar .brand {
  padding: 0 8px;
}

.side-nav {
  display: grid;
  gap: 6px;
  margin-top: 36px;
}

.side-nav a {
  padding: 10px 16px;
  border-radius: var(--radius-md);
  color: var(--muted);
  font-weight: 600;
  font-size: 14px;
  transition: all var(--transition-fast);
  position: relative;
}

.side-nav a:hover {
  color: var(--ink);
  background: var(--line-light);
  transform: translateX(2px);
}

.side-nav a.active {
  color: var(--blue);
  background: linear-gradient(135deg, var(--blue-50), #eff6ff);
  font-weight: 700;
  box-shadow: 0 1px 3px rgba(37, 99, 235, 0.08);
}

.side-nav a.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 20px;
  border-radius: 0 2px 2px 0;
  background: var(--blue);
}

.dashboard-main {
  padding: 36px 40px 48px;
}

.dashboard-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  animation: fadeInUp 0.5s ease-out;
}

.dashboard-header h1 {
  margin: 0 0 6px;
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.dashboard-header p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

/* ===== Metric Cards ===== */
.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.metric-card,
.dashboard-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  transition: all var(--transition-base);
}

.metric-card {
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.metric-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.metric-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.metric-card:hover::after {
  opacity: 1;
}

.metric-card:nth-child(1)::after {
  background: linear-gradient(90deg, var(--blue), var(--blue-light));
}

.metric-card:nth-child(2)::after {
  background: linear-gradient(90deg, var(--teal), var(--teal-light));
}

.metric-card:nth-child(3)::after {
  background: linear-gradient(90deg, var(--green), var(--green-light));
}

.metric-card:nth-child(4)::after {
  background: linear-gradient(90deg, var(--violet), var(--violet-light));
}

.metric-card:nth-child(5)::after {
  background: linear-gradient(90deg, var(--amber), var(--amber-light));
}

.metric-card:nth-child(6)::after {
  background: linear-gradient(90deg, var(--red), #ef4444);
}

.metric-card span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.metric-card strong {
  display: block;
  margin-top: 12px;
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--ink), var(--ink-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: countUp 0.6s ease-out;
}

.metric-card i {
  display: block;
  width: 36px;
  height: 4px;
  margin-top: 14px;
  border-radius: 999px;
  transition: width var(--transition-base);
}

.metric-card:hover i {
  width: 48px;
}

.metric-card i.blue {
  background: linear-gradient(90deg, var(--blue), var(--blue-light));
}

.metric-card i.teal {
  background: linear-gradient(90deg, var(--teal), var(--teal-light));
}

.metric-card i.green {
  background: linear-gradient(90deg, var(--green), var(--green-light));
}

.metric-card i.violet {
  background: linear-gradient(90deg, var(--violet), var(--violet-light));
}

.metric-card i.amber {
  background: linear-gradient(90deg, var(--amber), var(--amber-light));
}

.metric-card i.red {
  background: linear-gradient(90deg, var(--red), #ef4444);
}

.metric-card p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
}

.metric-card p::before {
  content: "↑ ";
  color: var(--green);
  font-weight: 700;
}

.metric-card:nth-child(3) p::before,
.metric-card:nth-child(4) p::before,
.metric-card:nth-child(6) p::before {
  content: "";
}

/* ===== Dashboard Grid ===== */
.dashboard-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(300px, 0.7fr);
  gap: 20px;
  margin-top: 20px;
}

.dashboard-grid.lower {
  grid-template-columns: repeat(3, 1fr);
}

.dashboard-panel {
  padding: 24px 26px;
  transition: all var(--transition-base);
}

.dashboard-panel:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.panel-head h2 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.legend {
  display: flex;
  gap: 16px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.legend span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.legend span::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--blue-light));
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
}

.legend .embedded::before {
  background: linear-gradient(135deg, var(--teal), var(--teal-light));
  box-shadow: 0 0 0 2px rgba(13, 148, 136, 0.15);
}

/* ===== Bar Chart ===== */
.bar-chart {
  display: flex;
  align-items: end;
  gap: 20px;
  height: 220px;
  padding: 14px 8px 0;
  border-top: 1px solid var(--line-light);
}

.bar-chart div {
  display: flex;
  align-items: end;
  justify-content: center;
  gap: 6px;
  flex: 1;
  height: 100%;
}

.bar-chart b,
.bar-chart i {
  width: 20px;
  border-radius: 5px 5px 0 0;
  background: linear-gradient(180deg, var(--blue), var(--blue-light));
  transition: all var(--transition-base);
  transform-origin: bottom;
  animation: barGrow 0.8s ease-out backwards;
  cursor: pointer;
}

.bar-chart b {
  animation-delay: calc(var(--i, 0) * 0.1s);
}

.bar-chart i {
  background: linear-gradient(180deg, var(--teal), var(--teal-light));
}

.bar-chart b:hover,
.bar-chart i:hover {
  filter: brightness(1.1);
  transform: scaleX(1.15);
}

/* ===== Status & Event Lists ===== */
.status-list,
.event-list,
.feedback-bars {
  display: grid;
  gap: 12px;
}

.status-list div,
.event-list div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  border: 1px solid var(--line-light);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, #f8fafc, #f1f5f9);
  transition: all var(--transition-fast);
}

.status-list div:hover,
.event-list div:hover {
  transform: translateX(4px);
  border-color: var(--line);
  box-shadow: var(--shadow-sm);
}

.status-list span,
.event-list span {
  font-weight: 600;
  font-size: 14px;
}

.status-list b,
.event-list b {
  padding: 5px 12px;
  border-radius: 999px;
  color: var(--green);
  background: var(--green-50);
  font-size: 12px;
  font-weight: 700;
  border: 1px solid rgba(5, 150, 105, 0.12);
  transition: all var(--transition-fast);
}

.status-list .watch,
.event-list .watch {
  color: var(--amber);
  background: var(--amber-50);
  border-color: rgba(217, 119, 6, 0.12);
  animation: pulse-soft 2s ease-in-out infinite;
}

/* ===== IP List ===== */
.ip-list {
  display: grid;
  gap: 10px;
}

.ip-list div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border: 1px solid var(--line-light);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, #f8fafc, #f1f5f9);
  transition: all var(--transition-fast);
}

.ip-list div:hover {
  transform: translateX(4px);
  border-color: var(--line);
  box-shadow: var(--shadow-sm);
}

.ip-list span {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-weight: 600;
  font-size: 14px;
  color: var(--ink);
}

.ip-list b {
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
  transition: all var(--transition-fast);
}

.ip-list div:hover b {
  color: var(--blue);
}

/* ===== Feedback Bars ===== */
.feedback-bars div {
  display: grid;
  grid-template-columns: 160px 1fr 44px;
  gap: 14px;
  align-items: center;
  padding: 8px 0;
}

.feedback-bars span {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-light);
}

.feedback-bars b {
  font-weight: 700;
  font-size: 14px;
  color: var(--muted);
  text-align: right;
}

meter {
  width: 100%;
  height: 8px;
  border-radius: 999px;
  overflow: hidden;
}

meter::-webkit-meter-bar {
  background: var(--line-light);
  border-radius: 999px;
  border: none;
  height: 8px;
}

meter::-webkit-meter-optimum-value {
  background: linear-gradient(90deg, var(--green), var(--green-light));
  border-radius: 999px;
  transition: width 0.8s ease-out;
}

meter::-webkit-meter-suboptimum-value {
  background: linear-gradient(90deg, var(--amber), var(--amber-light));
  border-radius: 999px;
}

meter::-webkit-meter-even-less-good-value {
  background: linear-gradient(90deg, var(--red), #ef4444);
  border-radius: 999px;
}

/* Event dots */
.event-list i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  flex-shrink: 0;
  box-shadow: 0 0 0 3px var(--green-50);
}

.event-list i.open {
  background: var(--amber);
  box-shadow: 0 0 0 3px var(--amber-50);
  animation: dotPulse 2s ease-in-out infinite;
}

/* ===== Animations Stagger ===== */
.metric-card:nth-child(1) {
  animation: fadeInUp 0.5s ease-out 0.1s both;
}

.metric-card:nth-child(2) {
  animation: fadeInUp 0.5s ease-out 0.2s both;
}

.metric-card:nth-child(3) {
  animation: fadeInUp 0.5s ease-out 0.3s both;
}

.metric-card:nth-child(4) {
  animation: fadeInUp 0.5s ease-out 0.4s both;
}

.metric-card:nth-child(5) {
  animation: fadeInUp 0.5s ease-out 0.5s both;
}

.metric-card:nth-child(6) {
  animation: fadeInUp 0.5s ease-out 0.6s both;
}

.entry-card:nth-child(1) {
  animation: fadeInUp 0.6s ease-out 0.1s both;
}

.entry-card:nth-child(2) {
  animation: fadeInUp 0.6s ease-out 0.2s both;
}

.entry-card:nth-child(3) {
  animation: fadeInUp 0.6s ease-out 0.3s both;
}

.entry-card:nth-child(4) {
  animation: fadeInUp 0.6s ease-out 0.4s both;
}

.dashboard-panel {
  animation: fadeInUp 0.6s ease-out both;
}

.flow div:nth-child(1) {
  animation: fadeInUp 0.5s ease-out 0.1s both;
}

.flow div:nth-child(3) {
  animation: fadeInUp 0.5s ease-out 0.2s both;
}

.flow div:nth-child(5) {
  animation: fadeInUp 0.5s ease-out 0.3s both;
}

.flow div:nth-child(7) {
  animation: fadeInUp 0.5s ease-out 0.4s both;
}

.side-nav a {
  animation: fadeInLeft 0.4s ease-out backwards;
}

.side-nav a:nth-child(1) {
  animation-delay: 0.1s;
}

.side-nav a:nth-child(2) {
  animation-delay: 0.15s;
}

.side-nav a:nth-child(3) {
  animation-delay: 0.2s;
}

.side-nav a:nth-child(4) {
  animation-delay: 0.25s;
}

.side-nav a:nth-child(5) {
  animation-delay: 0.3s;
}

.side-nav a:nth-child(6) {
  animation-delay: 0.35s;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--line);
  border-radius: 999px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--muted-light);
}

/* ===== Responsive ===== */
@media (max-width: 1366px) and (min-width: 981px), (max-height: 820px) and (min-width: 981px) {
  :root {
    --space-page-x: 52px;
    --space-header-x: 36px;
    --space-section-y: 68px;
    --space-hero-y-start: 82px;
    --space-hero-y-end: 64px;
    --space-hero-gap: 42px;
    --space-home-hero-y-start: clamp(60px, 8vh, 92px);
    --space-home-hero-y-end: clamp(52px, 7vh, 80px);
    --space-hero-copy-shift: -22px;
    --space-hero-lede-top: 24px;
    --space-hero-actions-top: 34px;
    --space-hero-icon-bottom: 24px;
    --space-product-bar-bottom: 24px;
    --space-entry-grid-gap: 28px;
    --space-entry-grid-top: 44px;
    --space-entry-card-pad: 40px;
    --space-layout-gap: 52px;
    --space-content-gap: 28px;
    --space-download-hero-top: 104px;
    --space-download-hero-bottom: 24px;
    --space-download-layout-gap: 60px;
    --space-showcase-top: 64px;
    --space-showcase-gap: 48px;
    --space-showcase-bottom: 88px;
    --size-hero-icon: 96px;
  }
}

@media (max-width: 1100px) {
  :root {
    --type-hero-title: 42px;
    --type-product-title: 35px;
    --type-section-title: 30px;
    --space-page-x: 44px;
    --space-header-x: 32px;
    --space-section-y: 64px;
    --space-hero-gap: 38px;
    --space-entry-card-pad: 36px;
    --space-layout-gap: 44px;
    --space-download-layout-gap: 48px;
  }

  .product-preview {
    max-width: 600px;
    margin: 0 auto;
    width: 100%;
  }
}

@media (max-height: 760px) and (min-width: 981px) {
  :root {
    --type-hero-title: 40px;
    --type-hero-lede: 16px;
    --type-product-title: 34px;
    --type-section-title: 30px;
    --type-section-copy: 15px;
    --type-feedback-title: 38px;
    --space-section-y: 56px;
    --space-hero-y-start: 64px;
    --space-hero-y-end: 48px;
    --space-hero-gap: 32px;
    --space-home-hero-y-start: 48px;
    --space-home-hero-y-end: 44px;
    --space-hero-copy-shift: -12px;
    --space-hero-lede-top: 20px;
    --space-hero-actions-top: 28px;
    --space-entry-grid-top: 36px;
    --space-entry-card-pad: 34px;
    --space-download-hero-top: 88px;
    --space-download-hero-bottom: 22px;
    --space-showcase-top: 52px;
    --space-showcase-bottom: 72px;
    --size-hero-icon: 88px;
  }
}

@media (max-width: 1023px) {
  .download-hero-layout {
    grid-template-columns: 1fr;
    gap: 34px;
    padding: 30px;
  }

  .download-hero-preview {
    width: 100%;
    max-width: 680px;
    margin: 0 auto;
  }
}

@media (max-width: 980px) {
  .plugin-install-card,
  .memory-install-card,
  .office-install-card {
    grid-template-areas:
      "visual"
      "copy";
    grid-template-columns: 1fr;
  }

  .plugin-install-card .plugin-install-visual {
    height: clamp(300px, 50vw, 380px);
  }

  :root {
    --header-height: 72px;
    --type-brand: 19px;
    --type-nav: 14px;
    --type-hero-title: 34px;
    --type-hero-lede: 16px;
    --type-product-title: 32px;
    --type-section-title: 28px;
    --type-section-copy: 15px;
    --type-feedback-title: 34px;
    --type-doc-title: 24px;
    --type-doc-subtitle: 17px;
    --space-page-x: 24px;
    --space-header-x: 24px;
    --space-nav-leading: 0;
    --space-nav-gap: 16px;
    --space-action-gap: 10px;
    --space-section-y: 44px;
    --space-hero-y-start: 44px;
    --space-hero-y-end: 44px;
    --space-hero-gap: 34px;
    --space-home-hero-y-start: 48px;
    --space-home-hero-y-end: 44px;
    --space-hero-copy-shift: 0;
    --space-hero-lede-top: 22px;
    --space-hero-actions-top: 34px;
    --space-hero-icon-bottom: 24px;
    --space-product-bar-gap: 14px;
    --space-product-bar-bottom: 24px;
    --space-entry-grid-gap: 24px;
    --space-entry-grid-top: 36px;
    --space-entry-card-pad: 34px;
    --space-layout-gap: 40px;
    --space-content-gap: 28px;
    --space-philosophy-gap: clamp(20px, 1.8vw, 32px);
    --space-download-hero-top: 84px;
    --space-download-hero-bottom: 20px;
    --space-download-layout-gap: 40px;
    --space-showcase-top: 48px;
    --space-showcase-gap: 40px;
    --space-showcase-bottom: 72px;
    --size-button-y: 40px;
    --size-button-large-y: 44px;
    --size-hero-icon: 96px;
    --size-entry-icon: 44px;
    --product-section-nav-stick-gap: 12px;
  }

  .site-header {
    height: var(--header-height);
    flex-wrap: nowrap;
    gap: 14px;
    padding: 0 var(--space-header-x);
  }

  .brand {
    flex: 0 0 auto;
  }

  .top-nav {
    order: 0;
    flex: 1 1 auto;
    width: auto;
    min-width: 0;
    margin-left: 0;
    overflow-x: auto;
    gap: clamp(18px, 4vw, 36px);
    padding-bottom: 0;
    scrollbar-width: none;
  }

  .top-nav::-webkit-scrollbar {
    display: none;
  }

  .top-nav a,
  .top-nav .link-button {
    flex: 0 0 auto;
    min-height: 36px;
    margin: 0;
    padding: 0;
    white-space: nowrap;
  }

  .top-nav a::after,
  .top-nav .link-button::after {
    right: 0;
    left: 0;
    bottom: 2px;
  }

  .header-actions {
    flex: 0 0 auto;
    margin-left: 0;
  }

  .hero,
  .entry-grid,
  .download-grid,
  .feature-grid,
  .faq-list,
  .dashboard-layout,
  .metric-grid,
  .dashboard-grid,
  .dashboard-grid.lower {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: var(--space-hero-y-start) var(--space-page-x) var(--space-hero-y-end);
  }

  .section {
    padding: var(--space-section-y) var(--space-page-x);
  }

  .dashboard-main {
    padding: 36px var(--space-page-x);
  }

  #open-echo .hero-copy {
    top: 16px;
  }

  #open-echo {
    min-height: calc(100svh - var(--header-height));
    padding-top: var(--space-home-hero-y-start);
    padding-bottom: var(--space-home-hero-y-end);
  }

  .trust-strip {
    max-width: 100%;
  }

  .flow {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .flow span {
    display: none;
  }

  .integration-copy,
  .dashboard-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .dashboard-sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 20px;
  }

  .side-nav {
    display: flex;
    flex-wrap: wrap;
    margin-top: 16px;
    gap: 8px;
  }

  .side-nav a {
    padding: 8px 14px;
    font-size: 13px;
  }

  .side-nav a.active::before {
    display: none;
  }

  .dashboard-main {
    padding: var(--space-page-x);
  }

  .metric-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .download-hero-text {
    text-align: left;
  }

  .download-hero-text .eyebrow,
  .download-hero-text h1 {
    text-align: left;
  }

  .download-preview-frame {
    width: 100%;
    margin-left: 0;
  }

  .product-section-nav {
    width: calc(100% - var(--space-page-x) - var(--space-page-x));
    max-width: none;
    margin: 0;
    overflow: visible;
  }

  .product-section-nav.is-docked {
    width: min(480px, calc(100vw - var(--space-page-x) - var(--space-page-x)));
    max-width: none;
  }

  .product-section-nav-inner {
    width: 100%;
    min-width: 0;
  }

  .browser-install h2 {
    font-size: 30px;
  }

  .browser-install-card {
    grid-template-columns: 1fr;
    gap: 34px;
    padding: 32px;
  }

  .scenario-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .experience-grid {
    grid-template-columns: 1fr;
  }

  .philosophy-layout {
    flex-direction: column;
    gap: var(--space-philosophy-gap);
  }

  .philosophy-text {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    padding-top: 0;
    padding-bottom: 0;
  }

  .philosophy-section {
    min-height: auto;
  }

  .philosophy-section .product-preview {
    flex: none;
    max-width: 600px;
    margin: 0 auto;
    width: 100%;
    position: relative;
    top: auto;
    transform: none;
  }

  .echo-app-showcase-heading {
    width: min(100% - 36px, 760px);
  }

  .echo-app-showcase-rail {
    grid-auto-columns: min(720px, calc(100vw - 52px));
    padding-left: max(26px, calc((100vw - 720px) / 2));
    padding-right: max(26px, calc((100vw - 720px) / 2));
  }

  .echo-app-card {
    min-height: 450px;
  }

  .faq-list {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    padding: 24px 24px 20px;
  }

  .footer-layout {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .footer-meta {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .footer-notes {
    max-width: none;
    margin: 0;
  }

  .footer-bottom {
    flex-direction: row;
    align-items: flex-start;
    gap: 0;
    text-align: left;
  }

}

@media (max-width: 640px) {
  .footer-layout.homepage-footer-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-filing-links {
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
  }

  .footer-filing-separator {
    display: none;
  }

  .home-main .home-section-title,
  .home-main .echo-story-heading strong,
  .home-main .echo-physical-copy h2 {
    text-wrap: balance;
  }

  html[lang="zh-CN"] .home-main .home-section-title br {
    display: none;
  }

  .home-main .home-title-line {
    display: block;
  }

  .plugin-install-card,
  .memory-install-card,
  .office-install-card {
    grid-template-areas: "copy";
  }

  .plugin-install-card .plugin-install-visual {
    display: none;
  }

  :root {
    --header-height: 72px;
    --type-brand: 18px;
    --type-nav: 14px;
    --type-hero-title: 29px;
    --type-home-section-title: 30px;
    --type-hero-lede: 16px;
    --type-product-title: 29px;
    --type-section-title: 25px;
    --type-section-copy: 15px;
    --type-feedback-title: 28px;
    --type-doc-title: 22px;
    --type-doc-subtitle: 16px;
    --space-page-x: 20px;
    --space-header-x: 20px;
    --space-nav-gap: 14px;
    --space-section-y: 36px;
    --space-hero-y-start: 36px;
    --space-hero-y-end: 36px;
    --space-hero-gap: 28px;
    --space-home-hero-y-start: 40px;
    --space-home-hero-y-end: 36px;
    --space-hero-lede-top: 20px;
    --space-hero-actions-top: 32px;
    --space-hero-icon-bottom: 22px;
    --space-product-bar-gap: 12px;
    --space-product-bar-bottom: 20px;
    --space-entry-grid-gap: 18px;
    --space-entry-grid-top: 28px;
    --space-entry-card-pad: 24px;
    --space-layout-gap: 28px;
    --space-content-gap: 22px;
    --space-philosophy-gap: 28px;
    --space-download-hero-top: 86px;
    --space-download-hero-bottom: 18px;
    --space-download-layout-gap: 28px;
    --space-showcase-top: 40px;
    --space-showcase-gap: 28px;
    --space-showcase-bottom: 56px;
    --size-button-y: 38px;
    --size-button-large-y: 42px;
    --size-hero-icon: 80px;
    --size-entry-icon: 40px;
    --product-section-nav-height: 58px;
    --product-section-nav-stick-gap: 10px;
  }

  .site-header {
    height: var(--header-height);
    flex-wrap: nowrap;
    gap: 14px;
    padding: 0 var(--space-header-x);
  }

  .brand {
    flex: 0 0 auto;
  }

  .top-nav {
    order: 0;
    flex: 1 1 auto;
    width: auto;
    min-width: 0;
    margin-left: 0;
    gap: 20px;
    overflow-x: auto;
    padding-bottom: 0;
    scrollbar-width: none;
  }

  .top-nav::-webkit-scrollbar {
    display: none;
  }

  .top-nav a,
  .top-nav .link-button {
    flex: 0 0 auto;
    min-height: 36px;
    white-space: nowrap;
  }

  .header-actions {
    flex: 0 0 auto;
    margin-left: 0;
  }

  #open-echo {
    min-height: calc(100svh - var(--header-height));
    padding-top: var(--space-home-hero-y-start);
    padding-bottom: var(--space-home-hero-y-end);
  }

  .metric-grid {
    grid-template-columns: 1fr;
  }

  .hero-product-bar {
    display: grid;
    gap: var(--space-product-bar-gap);
    width: 100%;
  }

  .hero-product-bar p {
    max-width: none;
  }

  .hero-icon {
    width: var(--size-hero-icon);
    height: var(--size-hero-icon);
    margin-bottom: var(--space-hero-icon-bottom);
  }

  .hero-lede {
    margin-top: var(--space-hero-lede-top);
  }

  .hero-actions {
    margin-top: var(--space-hero-actions-top);
  }

  .download-hero {
    padding: var(--space-download-hero-top) 0 var(--space-download-hero-bottom);
  }

  .download-hero-text h1 {
    font-size: 30px;
  }

  .download-hero-layout {
    padding: 22px;
  }

  .download-preview-frame {
    border-radius: 18px;
  }

  .echo-app-showcase {
    padding-top: 92px;
    padding-bottom: 64px;
  }

  .echo-app-showcase-heading {
    width: calc(100% - 40px);
    align-items: flex-start;
    flex-direction: column;
    margin-bottom: 28px;
  }

  .echo-app-showcase-heading h2 {
    white-space: normal;
  }

  .echo-app-showcase-controls {
    width: calc(100% - 40px);
    margin-top: 10px;
  }

  .echo-app-showcase-controls button {
    width: 40px;
    height: 40px;
  }

  .echo-app-showcase-rail {
    grid-auto-columns: calc(100vw - 40px);
    gap: 14px;
    padding-left: 20px;
    padding-right: 20px;
  }

  .echo-app-card {
    min-height: 500px;
    grid-template-rows: auto minmax(240px, 1fr);
    border-radius: 24px;
  }

  .echo-app-card-copy {
    padding: 32px 26px 12px;
  }

  .echo-app-card-copy p {
    font-size: 14px;
  }

  .echo-app-card-copy h3 {
    white-space: normal;
  }

  .echo-app-builder {
    width: calc(100% - 34px);
    margin: 0 10px -34px 0;
  }

  .echo-app-builder-chat {
    min-height: 220px;
    padding: 14px;
  }

  .echo-builder-user {
    max-width: 88%;
  }

  .echo-app-capability-space {
    margin-right: 14px;
    margin-left: 14px;
  }

  .echo-capability-app {
    width: 112px;
    height: 90px;
    border-radius: 22px;
  }

  .echo-capability-app strong {
    font-size: 15px;
  }

  .echo-capability-hub {
    width: 76px;
    height: 76px;
  }

  .echo-capability-hub strong {
    font-size: 14px;
  }

  .echo-capability-node {
    width: 84px;
    min-height: 38px;
    padding: 0 8px;
    font-size: 10px;
  }

  .echo-app-marketplace-visual {
    width: calc(100% - 32px);
    height: 210px;
    margin: 0 16px -20px;
    border-radius: 18px 18px 0 0;
    transform: rotate(-0.6deg);
  }

  .download-preview-toolbar {
    height: 24px;
    padding: 0 12px;
  }

  .download-preview-toolbar i {
    width: 82px;
  }

  .download-preview-page {
    padding: 24px 18px 16px;
  }

  .download-preview-page strong {
    font-size: 17px;
  }

  .download-preview-page p {
    font-size: 11px;
  }

  .download-preview-actions b {
    width: 74px;
  }

  .download-preview-actions b:nth-child(2) {
    width: 96px;
  }

  .download-preview-console {
    margin-top: 22px;
  }

  .download-preview-console pre {
    padding: 14px 16px 18px;
    font-size: 11px;
  }

  .product-section-nav {
    width: 100%;
  }

  .product-section-nav.is-docked {
    width: min(420px, calc(100vw - var(--space-page-x) - var(--space-page-x)));
  }

  .product-section-nav-inner {
    min-width: 0;
    min-height: 58px;
    box-shadow: 0 0 24px rgba(15, 23, 42, 0.08);
  }

  .product-section-nav-link {
    flex-basis: auto;
    min-height: 40px;
    padding: 0 12px;
    font-size: 15px;
  }

  .product-section-nav-link.active {
    box-shadow: inset 0 0 0 1px rgba(100, 116, 139, 0.16);
  }

  .browser-install h2 {
    font-size: 26px;
    text-align: left;
  }

  .download-section {
    padding-bottom: 64px;
  }

  .browser-install {
    margin-bottom: 42px;
  }

  .office-install {
    margin-top: 18px;
  }

  .browser-install-card {
    gap: 22px;
    padding: 20px;
    border-radius: 20px;
  }

  .browser-install-visual {
    display: none;
  }

  .browser-install-copy {
    width: 100%;
  }

  .browser-install-steps {
    width: 100%;
    margin-top: 16px;
  }

  .browser-install-steps h4 {
    margin-bottom: 10px;
    font-size: 15px;
  }

  .browser-install-steps ol {
    gap: 8px;
    padding-left: 20px;
    font-size: 14px;
    line-height: 1.58;
  }

  .browser-install-steps code {
    max-width: 100%;
    overflow-wrap: anywhere;
  }

  .browser-install-codes {
    display: flex;
    margin-top: 6px;
  }

  .install-download-actions,
  .install-download-button {
    width: 100%;
  }

  .install-download-button.button {
    justify-content: center;
  }

  #product-browser .browser-offline-download {
    width: fit-content;
  }

  .office-download-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .office-download-actions .office-download-button {
    justify-content: space-between;
    width: 100%;
    max-width: none;
  }

  .probe-primary-download {
    width: 100%;
    min-height: 60px;
    padding: 12px 18px;
  }

  .probe-primary-download svg {
    width: 25px;
    height: 25px;
  }

  .probe-primary-download strong {
    font-size: 19px;
  }

  .entry-grid {
    grid-template-columns: 1fr;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .compare-table {
    font-size: 13px;
  }

  .compare-table th,
  .compare-table td {
    padding: 10px 12px;
  }

  .scenario-list {
    grid-template-columns: 1fr;
  }

  .philosophy-section .preview-shell {
    grid-template-columns: 110px minmax(0, 1fr);
    min-height: 320px;
  }

  .philosophy-section .product-preview {
    max-width: 100%;
    border-radius: var(--radius-md);
  }

  .office-shell {
    grid-template-columns: minmax(104px, 34%) minmax(0, 1fr);
    min-height: 360px;
    height: 360px;
  }

  .office-preview.right-collapsed .office-shell,
  .office-preview.left-collapsed.right-collapsed .office-shell {
    grid-template-columns: minmax(104px, 34%) minmax(0, 1fr);
  }

  .office-preview.left-collapsed .office-shell {
    grid-template-columns: 44px minmax(0, 1fr);
  }

  .office-right,
  .office-toggle[data-office-toggle="right"] {
    display: none;
  }

  .office-brand-row,
  .office-menu button,
  .office-session-head,
  .office-session-list {
    min-width: 0;
  }

  .office-brand-row {
    padding: 0 8px;
  }

  .office-brand-row strong {
    font-size: 10px;
  }

  .office-chat-actions {
    padding: 7px 6px 6px;
  }

  .office-menu {
    margin: 0 8px;
  }

  .office-session-head {
    margin: 12px 8px 8px;
  }

  .office-session-list {
    margin: 0 8px;
  }

  .office-session {
    padding: 7px 8px;
  }

  .office-session em {
    display: none;
  }

  .office-main-top {
    grid-template-columns: minmax(32px, 1fr) auto minmax(32px, 1fr);
  }

  .office-thread {
    padding: 10px;
  }

  .office-note {
    margin-bottom: 10px;
    padding: 8px 10px;
    border-radius: 12px;
  }

  .office-input {
    margin: 0 10px 6px;
    padding: 6px 8px;
  }

  .office-input p {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .philosophy-section .session span {
    display: none;
  }

  .preview-mini-metrics {
    grid-template-columns: 1fr;
  }

  .tool-actions {
    flex-direction: column;
  }

  .trust-strip {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .trust-strip div + div {
    border-left: none;
    border-top: 1px solid var(--line);
    padding-left: 0;
    padding-top: 16px;
  }

  .footer-inner {
    padding: 18px 24px;
  }
}

@media (max-width: 390px) {
  .office-download-actions {
    grid-template-columns: 1fr;
  }
}

/* Offline installation guidance stays beside its download action. */
.browser-install-help-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 40px;
  padding: 6px 2px;
  border: 0;
  background: transparent;
  color: #6750a4;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
.browser-install-help-trigger svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
}
.browser-install-help-trigger:hover,
.browser-install-help-trigger[aria-expanded="true"] { color: #4f378b; }
.browser-install-help-trigger:focus-visible {
  outline: 2px solid #a99ad2;
  outline-offset: 3px;
  border-radius: 6px;
}
.browser-install-help-panel {
  position: absolute;
  z-index: 45;
  top: calc(100% + 8px);
  right: 0;
  width: min(440px, 100%);
  margin: 0;
  padding: 20px;
  border: 1px solid rgba(103, 80, 164, 0.16);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 12px 32px rgba(49, 35, 80, 0.14);
  text-align: left;
}
.browser-install-help-panel::before {
  position: absolute;
  inset: -10px 0 auto;
  height: 10px;
  content: "";
}
.browser-install-help-panel[hidden] { display: none; }
.browser-install-help-panel.browser-install-steps ol {
  margin-bottom: 0;
  font-size: 14px;
}
.browser-install-help-panel code { overflow-wrap: anywhere; }
@media (max-width: 640px) {
  .browser-install-help-panel.browser-install-steps { margin: 0; padding: 16px; }
}
.browser-install:has(.browser-install-help-trigger[aria-expanded="true"]) {
  position: relative;
  z-index: 46;
}

.office-download-button .office-platform-icon {
  fill: currentColor;
  stroke: none;
}

.memory-install-actions .install-download-button {
  width: fit-content;
}
.download-page-main:has(.browser-install-help-trigger[aria-expanded="true"]) {
  z-index: 2;
}

.memory-install-card .memory-install-actions {
  margin-top: auto;
  padding-top: 26px;
}

/* Account links switch directly from the hero to the header at the docking threshold. */
[data-auth-home] {
  min-height: var(--size-button-large-y);
}
.homepage-auth-actions {
  display: flex;
  align-items: center;
  gap: var(--space-action-gap);
}
.homepage-auth-actions .button {
  min-width: 120px;
}
.homepage-auth-actions .button:focus-visible {
  outline: 3px solid #6750a4;
  outline-offset: 4px;
}
.site-header [data-auth-header] {
  --auth-target-buttons-width: 128px;
  --auth-target-gap: clamp(8px, 1vw, 18px);
  flex: none;
  width: calc(var(--auth-target-buttons-width) + var(--auth-target-gap));
  height: 36px;
}
.homepage-auth-actions.is-docked {
  width: 100%;
  height: 100%;
  gap: var(--auth-target-gap);
}
.homepage-auth-actions.is-docked .button {
  flex: 1;
  min-width: 0;
  min-height: 100%;
  padding: 0;
  font-size: 14px;
  font-weight: 600;
  transition: background var(--transition-fast), border-color var(--transition-fast),
    box-shadow var(--transition-fast), transform var(--transition-fast);
}
@media (max-width: 600px) {
  .site-header:has([data-auth-header]) {
    gap: 10px;
  }
  .site-header:has([data-auth-header]) .top-nav {
    gap: 12px;
  }
  .site-header [data-auth-header] {
    --auth-target-buttons-width: 96px;
    --auth-target-gap: clamp(6px, 1.5vw, 8px);
  }
}

/* Homepage download disclosure; keep the flyout clear of the mobile nav clip. */
.top-nav:has(.download-navigation) { overflow: visible; }
.download-navigation { position: relative; display: flex; align-items: center; flex: none; }
.download-navigation-toggle {
  display: grid;
  place-items: center;
  width: 24px;
  height: 36px;
  padding: 0;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: inherit;
  cursor: pointer;
}
.download-navigation-toggle svg { fill: none; stroke: currentColor; stroke-width: 1.5; }
.download-navigation-toggle[aria-expanded="true"] svg { transform: rotate(180deg); }
.download-navigation-toggle:hover { color: var(--ink); background: var(--paper); }
.download-navigation-menu {
  position: absolute;
  top: 100%;
  left: -12px;
  z-index: 1;
  width: 240px;
  margin: 0;
  padding: 6px;
  list-style: none;
  border: 1px solid #ddd5f6;
  border-radius: 16px;
  background: linear-gradient(135deg, #f1ecfc 0%, #f7f7fc 48%, #eaf3fc 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9),
    0 14px 32px rgba(91, 64, 148, 0.10), 0 3px 8px rgba(91, 64, 148, 0.04);
}
.download-navigation-menu::before {
  content: "";
  position: absolute;
  top: -7px;
  left: 22px;
  width: 12px;
  height: 12px;
  border-top: 1px solid #ddd5f6;
  border-left: 1px solid #ddd5f6;
  background: #f1ecfc;
  transform: rotate(45deg);
  box-shadow: inset 1px 1px 0 rgba(255, 255, 255, 0.7);
}
.top-nav .download-navigation-menu a {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  min-height: 48px;
  margin: 0;
  padding: 0 14px;
  border-radius: var(--radius-md);
  color: var(--ink);
  font-size: var(--type-nav);
  font-weight: 600;
  white-space: nowrap;
}
.download-navigation-chevron {
  flex: none;
  fill: none;
  stroke: var(--muted-light);
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.top-nav .download-navigation-menu a::after { display: none; }
.top-nav .download-navigation-menu a:is(:hover, :focus-visible) {
  color: #6540b5;
  background: linear-gradient(110deg, #e8dffa, #eee9fc);
}
.download-navigation-menu a:is(:hover, :focus-visible) .download-navigation-chevron {
  stroke: currentColor;
}
.download-navigation:has([aria-expanded="true"]) > a,
.download-navigation-toggle[aria-expanded="true"] { color: #6540b5; }
.download-navigation :is(a, button):focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
@media (max-width: 640px) {
  .site-header:has(.download-navigation) { gap: 8px; }
  .site-header:has(.download-navigation) .top-nav { gap: 8px; }
  .download-navigation-toggle {
    flex: 0 0 44px;
    width: 44px;
    height: 44px;
  }
  .download-navigation-toggle svg {
    width: 20px;
    height: 20px;
    stroke-width: 2;
  }
  .download-navigation-menu { left: auto; right: -12px; width: 224px; }
  .download-navigation-menu::before { left: auto; right: 55px; }
}

@media (max-width: 380px) {
  :root { --type-nav: 13px; }
  .site-header.marketing-site-header { gap: 4px; padding-inline: 8px; }
  .site-header.marketing-site-header .brand { gap: 3px; font-size: 17px; }
  .site-header.marketing-site-header .brand-logo { width: 22px; height: 22px; }
  .site-header.marketing-site-header .top-nav { gap: 4px; }
  .download-navigation-menu { right: -44px; }
  .download-navigation-menu::before { right: 87px; }
}