/* Public landing adoption. Shared tokens remain the only palette authority. */
body.public-home-page {
  --bg: var(--sia-bg); --bg-strong: var(--sia-surface-soft);
  --surface: var(--sia-surface); --surface-soft: var(--sia-surface-soft);
  --ink: var(--sia-heading); --ink-soft: var(--sia-text); --muted: var(--sia-muted);
  --line: var(--sia-line); --line-strong: var(--sia-line-strong);
  --teal: var(--sia-teal); --teal-dark: var(--sia-teal-dark);
  --teal-darker: var(--sia-sidebar-accent); --accent: var(--sia-sidebar-accent);
  --shadow: var(--sia-shadow); --shadow-soft: var(--sia-shadow); --shadow-card: none;
  background: var(--sia-bg) !important; color: var(--sia-text);
  font-family: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
}
.public-home-page [hidden] { display: none !important; }
.public-home-page .page { width: min(1200px, calc(100% - 64px)); }
.public-home-page :is(section[id], [id="features"]) { scroll-margin-top: 112px; }
.public-home-page :is(a, button):focus-visible {
  outline: 3px solid var(--sia-sidebar-accent); outline-offset: 4px;
}
.public-home-page :is(a, button) { -webkit-tap-highlight-color: transparent; }
.public-home-page .topbar {
  top: 16px; gap: 16px; padding: 12px 16px 12px 20px;
  border: 1px solid color-mix(in srgb, var(--sia-sidebar-accent) 25%, var(--sia-line));
  border-radius: 24px; background: color-mix(in srgb, var(--sia-surface) 95%, transparent);
  box-shadow: var(--sia-shadow); backdrop-filter: blur(18px);
}
.public-home-page .brand { min-width: 132px; min-height: 44px; gap: 12px; }
.public-home-page .brand img { width: 40px; height: 40px; filter: none; }
.public-home-page .brand span { color: var(--sia-heading); font-size: 18px; }
.public-home-page .brand small { color: var(--sia-sidebar-accent); }
.public-home-page .nav { display: flex; flex: 1; gap: 8px; min-width: 0; }
.public-home-page .nav a { display: inline-flex; align-items: center; justify-content: center; min-width: 44px; min-height: 44px; padding: 0 10px; border-radius: 12px; font-size: 14px; }
.public-home-page .nav a:hover { background: var(--sia-teal-soft); }
.public-home-page :is(.btn, .feature-cta, .public-theme-toggle) {
  min-height: 48px; border-radius: 16px; font-size: 14px; font-weight: 750;
  border: 1px solid var(--sia-line-strong); background: var(--sia-surface-soft);
  color: var(--sia-heading); box-shadow: none;
  transition: border-color 160ms, background-color 160ms;
}
.public-home-page :is(.btn, .feature-cta):hover { transform: none; box-shadow: none; border-color: var(--sia-sidebar-accent); }
.public-home-page :is(.btn-primary, .feature-cta) {
  background: var(--sia-teal); color: var(--sia-bg); border-color: var(--sia-teal);
  box-shadow: 0 8px 24px color-mix(in srgb, var(--sia-teal) 10%, transparent);
}
html[data-theme="light"] .public-home-page :is(.btn-primary, .feature-cta) {
  background: color-mix(in srgb, var(--sia-teal-dark) 90%, var(--sia-heading)); color: #fff;
}
html[data-theme="dark"] body.public-home-page :is(.btn-primary, .feature-cta) {
  background: var(--sia-teal) !important; color: var(--sia-bg) !important; border-color: var(--sia-teal) !important;
}
.public-home-page .btn-lg { min-height: 56px; padding-inline: 28px; font-size: 16px; }
.public-home-page .btn-ghost { background: transparent !important; border-color: transparent; color: var(--sia-text) !important; }
.public-home-page .public-theme-toggle { flex: 0 0 44px; width: 44px; min-height: 44px; display: grid; place-items: center; padding: 10px; cursor: pointer; }
.public-home-page .public-theme-toggle svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.public-home-page .public-locale-toggle { background: var(--sia-surface-soft); border-color: var(--sia-line-strong); color: var(--sia-heading); }
.public-home-page .public-locale-toggle span { color: var(--sia-text); }
.public-home-page .public-locale-toggle[data-locale="es"] [data-locale-option="es"],
.public-home-page .public-locale-toggle[data-locale="en"] [data-locale-option="en"] { background: var(--sia-teal-soft); color: var(--sia-sidebar-accent); }
.public-home-page .hero { position: relative; isolation: isolate; padding: 56px 0 16px; }
.public-home-page .public-hero-ambient {
  position: absolute; z-index: -1; inset: 0 -24px auto; height: 460px; pointer-events: none;
  color: var(--sia-sidebar-accent);
  mask-image: linear-gradient(90deg, transparent, #000 14%, #000 86%, transparent), linear-gradient(transparent, #000 20%, #000 68%, transparent);
  mask-composite: intersect;
}
.public-home-page .public-hero-ambient svg { width: 100%; height: 100%; }
.public-home-page .public-hero-eyebrow { margin: 0 auto 24px; color: var(--sia-sidebar-accent); font-size: 12px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.public-home-page .hero h1 { max-width: 1040px; margin: 0 auto 24px; color: var(--sia-heading); font-size: clamp(44px, 5.2vw, 72px); font-weight: 800; line-height: 1.08; letter-spacing: -.035em; text-wrap: balance; }
.public-home-page :is(h1, h2) em { background: none; color: var(--sia-sidebar-accent); -webkit-text-fill-color: currentColor; font-style: normal; }
.public-home-page .hero-lead { max-width: 760px; margin: 0 auto 28px; font-size: 18px; color: var(--sia-text); line-height: 1.6; }
.public-home-page .hero-actions { margin: 0 auto; }
.public-home-page .hero-trial-note { margin-top: 12px; color: var(--sia-muted); font-size: 13px; }
.public-home-page .results-showcase { margin: 56px auto 24px; max-width: 1160px; }
.public-home-page :is(.results-heading, .section-head, .tutorial-copy) { max-width: 820px; margin-inline: auto; }
.public-home-page :is(.results-heading h2, .section-head h2, .tutorial-copy h2, .final-card h2) { color: var(--sia-heading); font-size: clamp(30px, 3vw, 42px); font-weight: 800; line-height: 1.15; letter-spacing: -.025em; text-wrap: balance; }
.public-home-page :is(.results-heading p, .section-head p, .tutorial-copy p) { font-size: 16px; color: var(--sia-muted); line-height: 1.6; }
.public-home-page .pill { padding: 6px 12px; border: 1px solid color-mix(in srgb, var(--sia-sidebar-accent) 22%, var(--sia-line)); background: var(--sia-teal-soft); color: var(--sia-sidebar-accent); font-size: 11px; letter-spacing: .1em; }
.public-home-page :is(.results-carousel, .feature-anim, .calculator-shell, .final-card) { background: var(--sia-sidebar-bg); border: 1px solid color-mix(in srgb, var(--sia-sidebar-accent) 22%, var(--sia-line)); border-radius: 28px; box-shadow: var(--sia-shadow); }
.public-home-page .result-slide { grid-template-columns: minmax(0, 1.65fr) minmax(300px, .85fr); }
.public-home-page .result-video-shell { aspect-ratio: 16 / 9; align-self: center; }
.public-home-page .result-video-shell video { object-fit: contain; }
.public-home-page .result-info { padding: 28px; gap: 16px; }
.public-home-page .result-info h3 { font-size: 25px; line-height: 1.2; }
.public-home-page .result-info > div > p { font-size: 15px; }
.public-home-page .result-meta li { color: var(--sia-muted); font-size: 12px; }
.public-home-page .result-price strong { color: var(--sia-sidebar-accent); }
.public-home-page .result-price span { font-size: 13px; }
.public-home-page :is(.results-arrow, .results-dot) { width: 44px; height: 44px; min-width: 44px; min-height: 44px; border-radius: 50%; }
.public-home-page .results-arrow { border: 1px solid var(--sia-line-strong); background: var(--sia-surface-soft); color: var(--sia-heading); }
.public-home-page .results-dot { position: relative; padding: 0; background: transparent; border: 0; }
.public-home-page .results-dot::after { content: ''; position: absolute; inset: 18px; border-radius: 50%; background: var(--sia-line-strong); }
.public-home-page .results-dot.is-active::after { background: var(--sia-sidebar-accent); }
.public-home-page .results-dot.is-active { width: 44px; background: transparent; }
.public-home-page .section { padding: 64px 0; }
.public-home-page .tutorial-showcase { padding: 0 0 64px; }
.public-home-page .tutorial-player { border-color: color-mix(in srgb, var(--sia-sidebar-accent) 30%, var(--sia-line)); box-shadow: var(--sia-shadow); }
.public-home-page .feature-block { gap: 56px; padding: 64px 0; }
.public-home-page .feature-text h2 { color: var(--sia-heading); font-size: clamp(30px, 3vw, 40px); line-height: 1.18; letter-spacing: -.025em; }
.public-home-page .feature-text h2 em { color: var(--sia-sidebar-accent); }
.public-home-page .feature-text p { color: var(--sia-text); font-size: 16px; }
.public-home-page .feature-cta { display: inline-flex; align-items: center; justify-content: center; padding: 12px 20px; }
.public-home-page :is(.anim-niches, .anim-radar, .anim-ideas, .anim-scenes, .anim-ext, .production-mock) { background: var(--sia-surface); border-color: var(--sia-line); color: var(--sia-text); box-shadow: none; }
.public-home-page :is(.radar-overlay, .mock-overlay, .ext-row, .anim-niches-rank, .voice-player) { background: var(--sia-surface); border-color: var(--sia-line-strong); color: var(--sia-heading); box-shadow: var(--sia-shadow); }
.public-home-page :is(.radar-overlay, .mock-overlay) :is(strong, small) { color: var(--sia-heading); }
.public-home-page :is(.radar-skeleton, .ideas-prompt-bar, .idea-bar, .scenes-line, .ext-prompt-bar) { background: var(--sia-line-strong); }
.public-home-page .montage-render-action { background: var(--sia-teal-soft); color: var(--sia-sidebar-accent); }
.public-home-page :is(.ideas-prompt, .scenes-script, .ext-tab, .anim-niches-row, .radar-row, .idea-card, .scene-tile, .ext-thumb, .production-mock-head, .resource-upload-action, .resource-scene-row, .montage-setting) { background-color: var(--sia-surface-soft); border-color: var(--sia-line); color: var(--sia-text); }
.public-home-page :is(.anim-niches-tag.green, .anim-niches-tab.is-active, .ideas-btn, .scenes-btn, .voice-play, .ext-check) { background: var(--sia-teal-soft); color: var(--sia-sidebar-accent); }
.public-home-page .calculator-section::before,
.public-home-page .calculator-result::before,
.public-home-page .final-card::before { display: none; }
.public-home-page .calculator-shell { background: var(--sia-surface); }
.public-home-page .calculator-planbar { background: var(--sia-surface-soft); border-color: var(--sia-line); }
.public-home-page :is(.calculator-plan-toggle, .calculator-choice-row) { background: var(--sia-surface); border-color: var(--sia-line); }
.public-home-page :is(.calculator-plan-button, .calculator-choice) { color: var(--sia-text); min-height: 44px; border-radius: 12px; }
.public-home-page :is(.calculator-plan-button.is-active, .calculator-choice.is-active) { color: var(--sia-sidebar-accent); background: var(--sia-teal-soft); box-shadow: none; }
.public-home-page .calculator-controls { padding: 28px; }
.public-home-page .calculator-workflow { background: var(--sia-surface-soft); border-color: var(--sia-line-strong); color: var(--sia-heading); border-radius: 16px; }
.public-home-page .calculator-workflow.is-active { background: var(--sia-teal-soft); border-color: var(--sia-teal); }
.public-home-page .calculator-workflow-icon { background: var(--sia-teal-soft); color: var(--sia-sidebar-accent); }
.public-home-page :is(.calculator-workflow small, .calculator-helper, .calculator-disclaimer) { color: var(--sia-muted); font-size: 13px; }
.public-home-page .calculator-result { background: var(--sia-sidebar-bg); color: var(--sia-text); min-height: 0; padding: 32px; border-left: 1px solid var(--sia-line); }
.public-home-page .calculator-result :is(strong, .calculator-result-total) { color: var(--sia-heading); }
.public-home-page :is(.calculator-result-eyebrow, .calculator-fieldset legend span) { color: var(--sia-sidebar-accent); }
.public-home-page :is(.calculator-result-total span, .calculator-result-summary, .calculator-result-metric span, .calculator-credit-balance, .calculator-result-note, .calculator-result-limit) { color: var(--sia-muted); }
.public-home-page .calculator-result-metric { background: var(--sia-surface-soft); border-color: var(--sia-line); }
.public-home-page .calculator-breakdown-row { color: var(--sia-text); border-color: var(--sia-line); font-size: 13px; }
.public-home-page :is(.calculator-breakdown, .calculator-result-limit) { border-color: var(--sia-line); }
.public-home-page .calculator-credit-track { background: var(--sia-line); }
.public-home-page .calculator-credit-track span { background: var(--sia-teal); }
.public-home-page .pricing-wrap { gap: 24px; align-items: stretch; }
.public-home-page .pricing-card {
  padding: 28px 24px; gap: 20px; transform: none; background: var(--sia-sidebar-bg);
  border: 1px solid color-mix(in srgb, var(--sia-plan-ink) 45%, var(--sia-line)); box-shadow: none;
}
.public-home-page .pricing-card.featured { background: var(--sia-sidebar-bg); border-color: var(--sia-plan-ink); box-shadow: var(--sia-sidebar-glow); }
.public-home-page .public-plan-heading { display: flex; align-items: center; gap: 16px; }
.public-home-page .pricing-plan-logo { width: 64px; height: 64px; flex: 0 0 64px; filter: none; }
.public-home-page .pricing-credits { padding: 0; border: 0; color: var(--sia-heading); font-size: 24px; letter-spacing: 0; }
.public-home-page .price { justify-content: flex-start; color: var(--sia-heading); font-size: clamp(40px, 3.9vw, 56px); line-height: 1.15; letter-spacing: -.035em; }
.public-home-page .price small { color: var(--sia-muted); font-size: 16px; letter-spacing: 0; }
.public-home-page .pricing-features { gap: 14px; }
.public-home-page .pricing-features li { font-size: 14px; color: var(--sia-text); }
.public-home-page .pricing-features b { color: var(--sia-heading); }
.public-home-page .pricing-card .pricing-feature-icon { color: var(--sia-plan-ink); background: color-mix(in srgb, var(--sia-plan-ink) 8%, var(--sia-surface-soft)); }
.public-home-page .pricing-tag { background: var(--sia-teal-soft); color: var(--sia-sidebar-accent); border: 1px solid var(--sia-teal); box-shadow: none; }
.public-home-page :is(.value-note, .plan-fit, .plan-picker, .plan-picker-item) { background: var(--sia-surface-soft); border-color: var(--sia-line); color: var(--sia-text); box-shadow: none; }
.public-home-page .value-note { border-color: color-mix(in srgb, var(--sia-plan-ink) 35%, var(--sia-line)); }
.public-home-page .value-note > .value-icon { background: var(--sia-teal-soft); color: var(--sia-sidebar-accent); }
.public-home-page .plan-fit { margin-top: auto; }
.public-home-page .pricing-card .pricing-cta { color: var(--sia-surface); background: var(--sia-plan-ink); border-color: var(--sia-plan-ink); }
html[data-theme="dark"] body.public-home-page .pricing-card .pricing-cta { color: var(--sia-bg) !important; background: var(--sia-plan-ink) !important; border-color: var(--sia-plan-ink) !important; }
.public-home-page .plan-picker-item strong { color: var(--sia-heading); }
.public-home-page .faq-list { gap: 0; padding: 8px 28px; background: var(--sia-sidebar-bg); border: 1px solid var(--sia-line); border-radius: 28px; }
.public-home-page .faq-item { padding: 24px 0; border: 0; border-radius: 0; background: none; box-shadow: none; }
.public-home-page .faq-item + .faq-item { border-top: 1px solid var(--sia-line); }
.public-home-page .faq-item h3 { font-size: 18px; color: var(--sia-heading); }
.public-home-page .faq-item p { color: var(--sia-text); font-size: 15px; }
.public-home-page .final-card { padding: 48px; }
.public-home-page .final-card p { color: var(--sia-text); font-size: 16px; }
.public-home-page footer { color: var(--sia-muted); font-size: 13px; gap: 16px; }
.public-home-page .footer-links { gap: 8px 16px; }
.public-home-page .footer-links a { display: inline-flex; align-items: center; min-height: 44px; min-width: 44px; }
@media (max-width: 1160px) {
  .public-home-page .topbar { flex-wrap: wrap; }
  .public-home-page .nav { flex: 1 0 100%; order: 3; }
  .public-home-page .brand { margin-right: auto; }
  .public-home-page .feature-block { gap: 32px; }
}
@media (max-width: 920px) {
  .public-home-page .result-slide.is-active { display: block; }
  .public-home-page .result-video-shell { aspect-ratio: 16 / 9; }
  .public-home-page .result-info { padding: 28px; }
  .public-home-page .calculator-result { border-left: 0; border-top: 1px solid var(--sia-line); }
}
@media (max-width: 680px) {
  .public-home-page .page { width: calc(100% - 32px); }
  .public-home-page .topbar { position: relative; top: 0; display: grid; grid-template-columns: minmax(0, 1fr) 44px; gap: 12px; padding: 16px; }
  .public-home-page .topbar .brand { grid-area: 1 / 1; margin: 0; }
  .public-home-page .topbar .brand img { width: 36px; height: 36px; }
  .public-home-page .topbar .public-theme-toggle { grid-area: 1 / 2; }
  .public-home-page .topbar .nav { grid-area: 3 / 1 / 4 / -1; justify-content: flex-start; gap: 0; overflow-x: auto; }
  .public-home-page .topbar .nav a { flex: 0 0 auto; padding-inline: 10px; }
  .public-home-page .topbar .actions { grid-area: 2 / 1 / 3 / -1; display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 6px; align-items: center; }
  .public-home-page .topbar .actions :is(.btn-ghost, .btn-primary, .public-locale-toggle) { grid-area: auto; width: auto; min-width: 0; font-size: 12px; padding-inline: 8px; min-height: 44px; }
  .public-home-page .topbar .public-locale-toggle { width: 76px !important; }
  .public-home-page .hero { padding-top: 32px; }
  .public-home-page .public-hero-eyebrow { margin-bottom: 16px; }
  .public-home-page .hero h1 { font-size: clamp(34px, 8.8vw, 44px); margin-bottom: 20px; }
  .public-home-page .hero-lead { font-size: 16px; }
  .public-home-page .public-hero-ambient { inset-inline: 0; opacity: .65; height: 360px; }
  .public-home-page .hero-trial-note { font-size: 12px; }
  .public-home-page .results-showcase { margin-top: 40px; }
  .public-home-page :is(.results-heading h2, .section-head h2, .tutorial-copy h2, .final-card h2, .feature-text h2) { font-size: 30px; }
  .public-home-page .result-info { padding: 24px; }
  .public-home-page .result-info h3 { font-size: 22px; }
  .public-home-page .result-badge { max-width: 90px; font-size: 10px; padding-inline: 8px; }
  .public-home-page .result-sound-toggle { max-width: 154px; font-size: 11px; padding-inline: 8px; }
  .public-home-page .section { padding: 40px 0; }
  .public-home-page .feature-block { padding: 40px 0; gap: 24px; }
  .public-home-page .calculator-workflows { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .public-home-page .calculator-workflow { padding: 14px; min-height: 150px; }
  .public-home-page .calculator-planbar { padding: 18px; }
  .public-home-page .calculator-plan-toggle { display: flex; flex-wrap: wrap; }
  .public-home-page .calculator-plan-button { flex: 1 1 100%; }
  .public-home-page :is(.calculator-controls, .calculator-result) { padding: 20px; }
  .public-home-page .calculator-result-metrics { grid-template-columns: 1fr; }
  .public-home-page .calculator-choice { min-width: 44px; }
  .public-home-page .pricing-card { padding: 28px 20px; }
  .public-home-page .price { font-size: 48px; }
  .public-home-page .faq-list { padding: 4px 20px; }
  .public-home-page .final-card { padding: 32px 24px; }
  .public-home-page .final-card .btn { width: 100%; white-space: normal; }
  .public-home-page :is(section[id], [id="features"]) { scroll-margin-top: 16px; }
}
/* Reuse the mobile playback affordance when desktop autoplay is suppressed. */
.public-home-page .desktop-result-playback { position: absolute; z-index: 3; left: 50%; top: 50%; transform: translate(-50%,-50%); min-width: 44px; min-height: 44px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 16px; border: 1px solid var(--sia-sidebar-accent); border-radius: 999px; background: var(--sia-sidebar-bg); color: var(--sia-heading); font: 700 14px/1.5 Inter,system-ui,sans-serif; cursor: pointer; }
.public-home-page .desktop-result-playback svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.public-home-page .desktop-result-playback.is-playing { left: 8px; top: auto; bottom: 8px; transform: none; padding: 10px; }
.public-home-page .desktop-result-playback.is-playing span { display: none; }
@media (prefers-reduced-motion: reduce) {
  html:has(body.public-home-page) { scroll-behavior: auto; }
  .public-home-page *, .public-home-page *::before, .public-home-page *::after { animation: none !important; transition: none !important; }
}