:root {
  --yt-ink: #0f172a;
  --yt-muted: #64748b;
  --yt-soft: #94a3b8;
  --yt-line: #dbe4f0;
  --yt-blue: #2563eb;
  --yt-blue-2: #3b82f6;
  --yt-blue-soft: #eff6ff;
  --yt-orange: #f97316;
  --yt-green: #10b981;
  --yt-bg: #ffffff;
  --yt-bg-2: #f8fafc;
  --yt-panel: #ffffff;
  --yt-shadow: 0 24px 70px rgba(30, 41, 59, 0.12);
  --yt-shadow-soft: 0 14px 40px rgba(37, 99, 235, 0.1);
  --yt-radius: 16px;
  --yt-radius-sm: 10px;
  --yt-max: 1180px;
  --yt-font: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --yt-mono: "SF Mono", "Cascadia Mono", Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body.official-page {
  margin: 0;
  color: var(--yt-ink);
  background:
    radial-gradient(circle at 78% 8%, rgba(37, 99, 235, 0.12), transparent 28rem),
    linear-gradient(180deg, #fff 0%, #f8fbff 48%, #fff 100%);
  font-family: var(--yt-font);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }

:focus-visible {
  outline: 3px solid rgba(37, 99, 235, 0.35);
  outline-offset: 3px;
}

.official-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.84);
  border-bottom: 1px solid rgba(219, 228, 240, 0.8);
  backdrop-filter: blur(18px);
}

.official-nav {
  width: min(var(--yt-max), calc(100% - 40px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.official-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
}

.brand-seal {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  color: #fff;
  background: linear-gradient(135deg, var(--yt-blue), #1d4ed8);
  border-radius: 12px;
  font-weight: 800;
  box-shadow: 0 10px 26px rgba(37, 99, 235, 0.28);
}

.official-brand strong,
.official-brand small { display: block; }
.official-brand strong { font-size: 16px; letter-spacing: 0.01em; }
.official-brand small { color: var(--yt-muted); font-size: 12px; line-height: 1.2; }

.official-menu {
  display: flex;
  align-items: center;
  gap: 6px;
  color: #334155;
  font-size: 14px;
}

.official-menu a {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  padding: 0 13px;
  border-radius: 999px;
  transition: color 180ms ease, background 180ms ease, transform 180ms ease;
}

.official-menu a:hover {
  color: var(--yt-blue);
  background: var(--yt-blue-soft);
}

.nav-pill {
  border: 1px solid var(--yt-line);
  background: #fff;
}

.nav-pill.primary {
  color: #fff;
  background: var(--yt-blue);
  border-color: var(--yt-blue);
  box-shadow: 0 10px 26px rgba(37, 99, 235, 0.22);
}

.nav-pill.primary:hover {
  color: #fff;
  background: #1d4ed8;
  transform: translateY(-1px);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--yt-line);
  border-radius: 12px;
  background: #fff;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--yt-ink);
}

.hero,
.section,
.logo-strip,
.contact-strip,
.official-footer {
  width: min(var(--yt-max), calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  min-height: calc(100vh - 72px);
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(420px, 1.14fr);
  gap: clamp(34px, 5.5vw, 82px);
  align-items: center;
  padding: 86px 0 72px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--yt-blue);
  font-family: var(--yt-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  max-width: 700px;
  margin-bottom: 18px;
  color: #071426;
  font-size: clamp(58px, 7.6vw, 112px);
  font-weight: 800;
  line-height: 0.96;
  letter-spacing: -0.04em;
}

.hero-statement {
  max-width: 720px;
  margin-bottom: 18px;
  color: #111827;
  font-size: clamp(25px, 2.7vw, 40px);
  font-weight: 750;
  line-height: 1.24;
  letter-spacing: -0.02em;
}

.hero-lead {
  max-width: 640px;
  color: var(--yt-muted);
  font-size: clamp(16px, 1.25vw, 19px);
  line-height: 1.9;
}

.hero-actions,
.contact-strip .button {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 20px;
  color: var(--yt-ink);
  border: 1px solid var(--yt-line);
  border-radius: 999px;
  background: #fff;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, border-color 180ms ease;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: var(--yt-shadow-soft);
}

.button.primary {
  color: #fff;
  background: var(--yt-orange);
  border-color: var(--yt-orange);
  box-shadow: 0 14px 30px rgba(249, 115, 22, 0.24);
}

.hero-product {
  position: relative;
  min-height: 500px;
  perspective: 1200px;
}

.product-window {
  overflow: hidden;
  background: var(--yt-panel);
  border: 1px solid rgba(219, 228, 240, 0.95);
  border-radius: 24px;
  box-shadow: var(--yt-shadow);
  transform: rotateX(2deg) rotateY(-5deg);
  transform-origin: center;
  animation: floatWindow 7s ease-in-out infinite;
}

.window-bar {
  height: 52px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 18px;
  border-bottom: 1px solid var(--yt-line);
  background: #f8fafc;
  color: var(--yt-muted);
  font-size: 13px;
}

.window-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #cbd5e1;
}

.window-bar span:first-child { background: #fb7185; }
.window-bar span:nth-child(2) { background: #fbbf24; }
.window-bar span:nth-child(3) { background: #34d399; }
.window-bar strong { margin-left: 8px; }

.product-layout {
  display: grid;
  grid-template-columns: 132px 1fr;
  min-height: 420px;
}

.product-sidebar {
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 18px;
  background: #f8fbff;
  border-right: 1px solid var(--yt-line);
}

.product-sidebar span {
  padding: 10px 12px;
  color: var(--yt-muted);
  border-radius: 12px;
  font-size: 14px;
}

.product-sidebar .is-active {
  color: var(--yt-blue);
  background: #eaf2ff;
  font-weight: 700;
}

.product-main { padding: 22px; }

.product-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.product-head small,
.product-head strong { display: block; }
.product-head small { color: var(--yt-muted); }
.product-head strong { font-size: 22px; }
.product-head button {
  min-height: 38px;
  padding: 0 14px;
  color: #fff;
  background: var(--yt-blue);
  border: 0;
  border-radius: 999px;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 18px;
}

.metric-row article,
.task-list div,
.floating-card,
.solution-card,
.case-item,
.workspace-shell,
.brief-form,
.contact-strip article {
  background: #fff;
  border: 1px solid var(--yt-line);
  border-radius: var(--yt-radius);
}

.metric-row article { padding: 16px; }
.metric-row span,
.metric-row strong { display: block; }
.metric-row span { color: var(--yt-muted); font-size: 13px; }
.metric-row strong { font-size: 30px; letter-spacing: -0.03em; }

.task-list { display: grid; gap: 12px; }
.task-list div {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 14px;
}

.task-list span { font-weight: 750; }
.task-list em { color: var(--yt-muted); font-style: normal; font-size: 13px; }
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot.blue { background: var(--yt-blue); }
.dot.orange { background: var(--yt-orange); }
.dot.green { background: var(--yt-green); }

.floating-card {
  position: absolute;
  width: 220px;
  padding: 16px;
  box-shadow: var(--yt-shadow-soft);
  animation: floatCard 5.5s ease-in-out infinite;
}

.floating-card span {
  display: block;
  color: var(--yt-blue);
  font-family: var(--yt-mono);
  font-size: 12px;
  font-weight: 800;
}

.floating-card strong {
  display: block;
  margin-top: 6px;
  line-height: 1.35;
}

.card-a { left: -22px; bottom: 80px; }
.card-b { right: -16px; top: 72px; animation-delay: -1.4s; }

.logo-strip {
  display: flex;
  gap: 10px;
  justify-content: space-between;
  padding: 22px;
  color: var(--yt-muted);
  background: #fff;
  border: 1px solid var(--yt-line);
  border-radius: 999px;
  box-shadow: 0 12px 34px rgba(15, 23, 42, 0.06);
}

.logo-strip span {
  white-space: nowrap;
  font-weight: 700;
}

.section { padding: 108px 0; }

.section-head {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-head.split {
  max-width: none;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
}

h2 {
  margin-bottom: 12px;
  color: #071426;
  font-size: clamp(34px, 4.1vw, 58px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.section-head p:not(.eyebrow) { color: var(--yt-muted); font-size: 18px; }

.solution-grid,
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.solution-card,
.case-item {
  padding: 26px;
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.motion-ready .solution-card.staged-motion,
.motion-ready .case-item.staged-motion,
.motion-ready .process-rail article.staged-motion {
  transform: translateY(38px) scale(0.985);
}

.motion-ready .solution-card.staged-motion.is-visible,
.motion-ready .case-item.staged-motion.is-visible,
.motion-ready .process-rail article.staged-motion.is-visible {
  transform: translateY(0) scale(1);
}

.solution-card:hover,
.case-item:hover {
  transform: translateY(-4px);
  border-color: rgba(37, 99, 235, 0.34);
  box-shadow: var(--yt-shadow-soft);
}

.card-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  color: var(--yt-blue);
  background: var(--yt-blue-soft);
  border-radius: 14px;
  font-family: var(--yt-mono);
  font-weight: 900;
}

.card-icon.green { color: var(--yt-green); background: #ecfdf5; }
.card-icon.orange { color: var(--yt-orange); background: #fff7ed; }

.solution-card h3,
.case-item h3,
.process-rail h3 {
  margin: 18px 0 10px;
  font-size: 23px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.solution-card p,
.case-item p,
.process-rail p,
.contact-strip p:not(.eyebrow) { color: var(--yt-muted); }

.solution-card ul {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.solution-card li {
  position: relative;
  padding-left: 18px;
  color: #334155;
}

.solution-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--yt-blue);
}

.process-section {
  width: 100%;
  max-width: none;
  background: linear-gradient(180deg, #f8fbff, #fff);
}

.process-section > .section-head,
.process-rail {
  width: min(var(--yt-max), calc(100% - 40px));
  margin-left: auto;
  margin-right: auto;
}

.process-rail {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--yt-line);
  border-radius: 24px;
  overflow: hidden;
  background: #fff;
}

.process-rail article {
  min-height: 230px;
  padding: 26px;
  border-right: 1px solid var(--yt-line);
}

.process-rail article:last-child { border-right: 0; }
.process-rail span {
  color: var(--yt-blue);
  font-family: var(--yt-mono);
  font-size: 12px;
  font-weight: 800;
}

.filter-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-bar button,
.workspace-tabs button {
  min-height: 42px;
  padding: 0 14px;
  color: #334155;
  background: #fff;
  border: 1px solid var(--yt-line);
  border-radius: 999px;
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
}

.filter-bar button.is-active,
.workspace-tabs button[aria-selected="true"] {
  color: #fff;
  background: var(--yt-blue);
  border-color: var(--yt-blue);
}

.case-item { min-height: 210px; }
.case-item span {
  color: var(--yt-blue);
  font-family: var(--yt-mono);
  font-size: 12px;
  font-weight: 800;
}

.workspace-shell {
  overflow: hidden;
  box-shadow: var(--yt-shadow);
}

.workspace-tabs {
  display: flex;
  gap: 8px;
  padding: 14px;
  background: #f8fafc;
  border-bottom: 1px solid var(--yt-line);
  overflow-x: auto;
}

.workspace-tabs button { white-space: nowrap; }
.workspace-panels { padding: 26px; }
.workspace-panel { min-height: 300px; }

.table-mock div {
  display: grid;
  grid-template-columns: 150px 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 18px 0;
  border-bottom: 1px solid var(--yt-line);
}

.table-mock div:last-child { border-bottom: 0; }
.table-mock span,
.table-mock em { color: var(--yt-muted); font-style: normal; }

.brief-mock,
.chat-mock,
.calendar-mock,
.asset-mock,
.match-grid { display: grid; gap: 14px; }

.brief-mock ul { margin: 0; padding-left: 20px; }
.match-grid,
.asset-mock { grid-template-columns: repeat(3, 1fr); }

.match-grid article,
.asset-mock article,
.calendar-mock span {
  padding: 18px;
  background: var(--yt-bg-2);
  border: 1px solid var(--yt-line);
  border-radius: var(--yt-radius-sm);
}

.brief-form {
  max-width: 960px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  padding: 28px;
  box-shadow: var(--yt-shadow-soft);
}

.brief-form label {
  display: grid;
  gap: 7px;
  color: #334155;
  font-weight: 750;
}

.brief-form .full,
.brief-form button,
.form-status { grid-column: 1 / -1; }

.brief-form input,
.brief-form select,
.brief-form textarea {
  width: 100%;
  min-height: 48px;
  padding: 11px 13px;
  color: var(--yt-ink);
  background: #fff;
  border: 1px solid var(--yt-line);
  border-radius: var(--yt-radius-sm);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.brief-form input:focus,
.brief-form select:focus,
.brief-form textarea:focus {
  border-color: var(--yt-blue);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
  outline: 0;
}

.brief-form textarea {
  min-height: 112px;
  resize: vertical;
}

.brief-form button { justify-self: start; }
.form-status { min-height: 24px; margin: 0; color: var(--yt-green); font-weight: 800; }
.form-status.is-error { color: #dc2626; }

.contact-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  padding: 28px 0 110px;
}

.contact-strip article { padding: 32px; }

.official-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 32px 0 42px;
  border-top: 1px solid var(--yt-line);
  color: var(--yt-muted);
}

.official-footer strong,
.official-footer span { display: block; }
.official-footer nav { display: flex; gap: 16px; flex-wrap: wrap; }

.motion-ready .reveal,
.motion-ready .staged-motion {
  opacity: 0;
  filter: blur(8px);
  transform: translateY(34px);
  transition:
    opacity 760ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 760ms cubic-bezier(0.22, 1, 0.36, 1),
    filter 760ms cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: calc(var(--motion-index, 0) * 80ms);
}

.motion-ready .hero-product.staged-motion {
  transform: translateY(34px) scale(0.985);
}

.reveal.is-visible,
.staged-motion.is-visible {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0);
}

.motion-ready .hero-product.staged-motion.is-visible {
  transform: translateY(0) scale(1);
}

@keyframes floatWindow {
  0%, 100% { transform: rotateX(2deg) rotateY(-5deg) translateY(0); }
  50% { transform: rotateX(2deg) rotateY(-5deg) translateY(-10px); }
}

@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@media (max-width: 980px) {
  .official-nav { width: min(100% - 28px, var(--yt-max)); }
  .menu-toggle { display: block; }
  .official-menu {
    position: absolute;
    left: 14px;
    right: 14px;
    top: calc(100% + 8px);
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    background: #fff;
    border: 1px solid var(--yt-line);
    border-radius: 18px;
    box-shadow: var(--yt-shadow);
  }
  .official-menu.is-open { display: flex; }
  .official-menu a { justify-content: center; }
  .hero,
  .section,
  .logo-strip,
  .contact-strip,
  .official-footer,
  .process-section > .section-head,
  .process-rail,
  .workspace-section,
  .brief-section {
    width: min(100% - 28px, var(--yt-max));
  }
  .hero {
    min-height: 0;
    grid-template-columns: 1fr;
    padding: 56px 0 64px;
  }
  .hero-product { min-height: 430px; }
  .solution-grid,
  .case-grid,
  .contact-strip,
  .brief-form { grid-template-columns: 1fr; }
  .process-rail { grid-template-columns: 1fr; }
  .process-rail article {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid var(--yt-line);
  }
  .process-rail article:last-child { border-bottom: 0; }
  .section-head.split { display: block; }
  .filter-bar { margin-top: 20px; }
  .match-grid,
  .asset-mock { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  h1 { font-size: 56px; }
  .hero-statement { font-size: 25px; }
  .section { padding: 72px 0; }
  .logo-strip {
    overflow: hidden;
    justify-content: flex-start;
    border-radius: 18px;
  }
  .logo-strip span { min-width: max-content; }
  .product-window {
    transform: none;
    animation: none;
    border-radius: 18px;
  }
  .product-layout { grid-template-columns: 1fr; }
  .product-sidebar {
    grid-auto-flow: column;
    overflow-x: auto;
    border-right: 0;
    border-bottom: 1px solid var(--yt-line);
  }
  .product-head,
  .task-list div,
  .table-mock div {
    grid-template-columns: 1fr;
    align-items: start;
  }
  .metric-row { grid-template-columns: 1fr; }
  .floating-card { display: none; }
  .filter-bar button { flex: 1 1 calc(50% - 8px); }
  .workspace-panels { padding: 16px; }
  .official-footer { display: block; }
  .official-footer nav { margin-top: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
  .staged-motion {
    opacity: 1;
    filter: none;
    transform: none;
  }
}

/* Animal Island UI theme layer */
:root {
  --yt-ink: #794f27;
  --yt-muted: #9f927d;
  --yt-soft: #c4b89e;
  --yt-line: #d8ccb4;
  --yt-blue: #19c8b9;
  --yt-blue-2: #3dd4c6;
  --yt-blue-soft: #e6f9f6;
  --yt-orange: #e59266;
  --yt-green: #6fba2c;
  --yt-bg: #f8f8f0;
  --yt-bg-2: #f0e8d8;
  --yt-panel: rgb(247, 243, 223);
  --yt-shadow: 0 8px 24px rgba(61, 52, 40, 0.14);
  --yt-shadow-soft: 0 8px 22px rgba(61, 52, 40, 0.1);
  --yt-radius: 22px;
  --yt-radius-sm: 16px;
  --yt-font: Nunito, "Noto Sans SC", "Zen Maru Gothic", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --yt-mono: Nunito, "Noto Sans SC", "PingFang SC", sans-serif;
  --yt-btn-shadow: #bdaea0;
  --yt-input-shadow: #d4c9b4;
}

body.official-page {
  background:
    radial-gradient(circle at 14% 8%, rgba(247, 205, 103, 0.42), transparent 27rem),
    radial-gradient(circle at 84% 16%, rgba(130, 213, 187, 0.32), transparent 29rem),
    radial-gradient(circle at 52% 86%, rgba(229, 146, 102, 0.16), transparent 28rem),
    linear-gradient(180deg, #fffdf4 0%, var(--yt-bg) 48%, #f2ead7 100%);
  font-family: var(--yt-font);
  font-weight: 500;
  letter-spacing: 0.01em;
}

body.official-page::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    radial-gradient(rgba(159, 146, 125, 0.18) 1px, transparent 1px),
    radial-gradient(rgba(25, 200, 185, 0.12) 1px, transparent 1px);
  background-position: 0 0, 14px 14px;
  background-size: 28px 28px;
  opacity: 0.35;
}

.official-header {
  background: rgba(248, 248, 240, 0.88);
  border-bottom: 2px solid rgba(159, 146, 125, 0.22);
  box-shadow: 0 8px 22px rgba(61, 52, 40, 0.08);
}

.brand-seal {
  color: var(--yt-ink);
  background: #f7cd67;
  border: 2px solid rgba(121, 79, 39, 0.18);
  border-radius: 18px 16px 20px 15px / 16px 20px 15px 18px;
  box-shadow: 0 4px 0 #d6b24b;
}

.official-menu {
  color: var(--yt-ink);
}

.official-menu a,
.filter-bar button,
.workspace-tabs button {
  border-radius: 50px;
}

.nav-pill,
.menu-toggle,
.filter-bar button,
.workspace-tabs button {
  border: 2px solid var(--yt-line);
  background: #fffdf4;
  box-shadow: 0 3px 0 var(--yt-input-shadow);
}

.nav-pill.primary,
.filter-bar button.is-active,
.workspace-tabs button[aria-selected="true"] {
  color: #fff;
  background: var(--yt-blue);
  border-color: var(--yt-blue);
  box-shadow: 0 5px 0 #11a89b;
}

h1,
h2,
.hero-statement {
  color: var(--yt-ink);
  letter-spacing: 0;
}

.button,
.product-head button,
.brief-form button {
  border: 2px solid var(--yt-line);
  border-radius: 50px;
  background: #fffdf4;
  color: var(--yt-ink);
  font-weight: 800;
  letter-spacing: 0.02em;
  box-shadow: 0 5px 0 var(--yt-btn-shadow);
}

.button:hover,
.product-head button:hover,
.brief-form button:hover {
  border-color: var(--yt-blue);
  background: #fffdf4;
  box-shadow: 0 6px 0 var(--yt-btn-shadow);
}

.button.primary,
.product-head button,
.brief-form button {
  color: #fff;
  background: var(--yt-blue);
  border-color: var(--yt-blue);
  box-shadow: 0 5px 0 #11a89b;
}

.hero-product {
  min-height: 560px;
  padding: 0 26px 72px;
}

.product-window {
  background: var(--yt-panel);
  border: 2px solid rgba(159, 146, 125, 0.34);
  border-radius: 24px 28px 22px 30px / 28px 22px 30px 24px;
}

.window-bar,
.product-sidebar,
.workspace-tabs,
.process-section,
.match-grid article,
.asset-mock article,
.calendar-mock span {
  background: #fffdf4;
}

.product-sidebar .is-active,
.card-icon,
.card-icon.green,
.card-icon.orange {
  color: var(--yt-ink);
  background: var(--yt-blue-soft);
}

.metric-row article,
.task-list div,
.floating-card,
.solution-card,
.case-item,
.workspace-shell,
.brief-form,
.contact-strip article,
.process-rail,
.process-rail article {
  background: var(--yt-panel);
  border: 2px solid rgba(159, 146, 125, 0.34);
  border-radius: var(--yt-radius);
  box-shadow: var(--yt-shadow);
}

.floating-card {
  border-radius: 20px 26px 22px 24px / 24px 20px 26px 22px;
}

.hero-product .floating-card {
  display: none;
}

.card-a {
  left: 8px;
  bottom: 22px;
}

.card-b {
  right: 10px;
  top: 18px;
}

.logo-strip {
  background: var(--yt-panel);
  border: 2px solid rgba(159, 146, 125, 0.34);
  border-radius: 50px;
  box-shadow: var(--yt-shadow-soft);
}

.solution-card:hover,
.case-item:hover {
  border-color: var(--yt-blue);
  box-shadow: 0 12px 28px rgba(61, 52, 40, 0.18);
}

.solution-card li,
.official-menu a,
.brief-form label {
  color: var(--yt-ink);
}

.brief-form input,
.brief-form select,
.brief-form textarea {
  background: var(--yt-panel);
  border: 2.5px solid var(--yt-line);
  border-radius: 50px;
  color: var(--yt-ink);
  font-weight: 600;
  box-shadow: 0 3px 0 var(--yt-input-shadow);
}

.brief-form textarea {
  border-radius: var(--yt-radius);
}

.brief-form input:focus,
.brief-form select:focus,
.brief-form textarea:focus {
  border-color: var(--yt-blue);
  box-shadow: 0 3px 0 var(--yt-input-shadow), 0 0 0 4px rgba(25, 200, 185, 0.14);
}

@media (max-width: 980px) {
  .official-menu {
    background: var(--yt-panel);
    border: 2px solid var(--yt-line);
  }

  .hero-product {
    min-height: 500px;
    padding: 0 0 32px;
  }
}

/* Soft Animal Island surfaces: avoid stark white panels */
:root {
  --yt-bg: #f3ecd8;
  --yt-panel: #f0e8d8;
  --yt-panel-soft: #efe3cc;
  --yt-mint-panel: #e4f4ee;
}

body {
  background:
    radial-gradient(circle at 12% 8%, rgba(247, 205, 103, 0.34), transparent 26rem),
    radial-gradient(circle at 86% 18%, rgba(130, 213, 187, 0.3), transparent 28rem),
    linear-gradient(180deg, #f3ecd8 0%, #f8f8f0 52%, #f0e8d8 100%);
}

.official-header,
.nav-pill,
.menu-toggle,
.filter-bar button,
.workspace-tabs button,
.button,
.product-head button,
.brief-form button,
.window-bar,
.product-sidebar,
.workspace-tabs,
.process-section,
.match-grid article,
.asset-mock article,
.calendar-mock span,
.brief-form input,
.brief-form select,
.brief-form textarea {
  background: var(--yt-panel);
}

.product-window,
.metric-row article,
.task-list div,
.floating-card,
.solution-card,
.case-item,
.workspace-shell,
.brief-form,
.contact-strip article,
.process-rail,
.process-rail article,
.logo-strip {
  background:
    radial-gradient(circle at 100% 0%, rgba(130, 213, 187, 0.1), transparent 18rem),
    var(--yt-panel);
}

.nav-pill:hover,
.button:hover,
.product-head button:hover,
.brief-form button:hover,
.product-sidebar .is-active,
.card-icon,
.card-icon.green,
.card-icon.orange,
.filter-bar button.is-active,
.workspace-tabs button[aria-selected="true"] {
  background: var(--yt-mint-panel);
}

.nav-pill.primary,
.filter-bar button.is-active,
.workspace-tabs button[aria-selected="true"],
.button.primary,
.product-head button,
.brief-form button {
  background: #08756f;
  border-color: #08756f;
  color: #fff;
  box-shadow: 0 5px 0 #065a55;
}

.official-brand small,
.eyebrow,
.hero-lead,
.product-head small,
.metric-row span,
.task-list em,
.section-head p:not(.eyebrow),
.contact-strip p:not(.eyebrow),
.table-mock em,
.window-bar span,
.product-sidebar span,
.workspace-tabs button {
  color: #6f5a3f;
}

.product-window strong,
.metric-row strong,
.task-list span,
.workspace-shell strong,
.asset-mock strong,
.calendar-mock span,
.table-mock span,
.brief-form label {
  color: var(--yt-ink);
}

.product-sidebar .is-active,
.card-icon,
.card-icon.green,
.card-icon.orange {
  background: #d9f0e8;
  color: var(--yt-ink);
}