/* SoundOff, soundoffcaptions.app
   Brand tokens lifted from design_handoff_clip_mvp/README.md.
   Plain CSS. No JS. No frameworks. */

:root {
  /* Colors */
  --bg:        #0b0b0c;
  --bg-1:      #111113;
  --bg-2:      #17171a;
  --bg-3:      #1f1f23;
  --line:      #ffffff14;   /* 0.08 */
  --line-2:    #ffffff24;   /* 0.14 */
  --ink:       #f4f2ec;
  --ink-2:     #f4f2ecb8;   /* 0.72 */
  --ink-3:     #f4f2ec7a;   /* 0.48 */
  --ink-4:     #f4f2ec47;   /* 0.28 */
  --accent:    #ffb547;
  --accent-ink:#111113;
  --pop:       #ffd83c;     /* caption emphasis */

  /* Radii */
  --r-chip:   4px;
  --r-input:  8px;
  --r-card:   12px;
  --r-sheet:  16px;
  --r-modal:  20px;

  /* Type */
  --sans:  "Geist", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --mono:  "Geist Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --serif: "Instrument Serif", "Iowan Old Style", "Georgia", serif;

  /* Spacing rhythm */
  --pad-x: clamp(20px, 4vw, 40px);
  --col-max: 1120px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.5;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }

img, svg { display: block; max-width: 100%; }

/* ---------- Layout shell ---------- */
.container {
  width: 100%;
  max-width: var(--col-max);
  margin: 0 auto;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
}

/* ---------- Top bar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid transparent;
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
}
.brand-icon {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  display: inline-block;
  flex: none;
  object-fit: cover;
}
.brand-name {
  font-family: var(--serif);
  font-style: italic;
  font-size: 22px;
  line-height: 1;
  letter-spacing: -0.005em;
  color: var(--ink);
}
.topnav {
  display: flex;
  gap: 28px;
  align-items: center;
  font-size: 14px;
  color: var(--ink-2);
}
.topnav a:hover { color: var(--accent); }

/* ---------- Hero ---------- */
.hero {
  padding-top: clamp(56px, 9vh, 120px);
  padding-bottom: clamp(56px, 8vh, 96px);
  min-height: 88vh;
  display: flex;
  align-items: center;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: center;
  width: 100%;
}
.hero-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 28px;
}
.wordmark {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(72px, 11vw, 132px);
  line-height: 0.92;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin: 0 0 28px;
}
.wordmark .amp { color: var(--accent); }
.hero-tagline {
  font-size: clamp(20px, 2.1vw, 26px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--ink);
  max-width: 28ch;
  margin: 0 0 14px;
  text-wrap: balance;
}
.hero-sub {
  font-size: 16px;
  color: var(--ink-2);
  max-width: 38ch;
  margin: 0 0 40px;
}
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
}
.appstore-badge {
  display: inline-block;
  height: 54px;
  border-radius: 10px;
  transition: transform 0.2s ease, filter 0.2s ease;
}
.appstore-badge:hover { transform: translateY(-1px); filter: brightness(1.05); }
.hero-price {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.hero-price strong {
  color: var(--ink-2);
  font-weight: 500;
}

/* ---------- Phone mockup ---------- */
.phone-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}
.phone-wrap::before {
  /* soft warm halo behind the device, sits at the bottom-left like raking light */
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(48% 38% at 30% 70%, #ffb54720, transparent 70%);
  filter: blur(20px);
  z-index: 0;
  pointer-events: none;
}
.phone {
  position: relative;
  z-index: 1;
  width: 320px;
  height: 660px;
  background: #050505;
  border-radius: 46px;
  padding: 11px;
  box-shadow:
    0 0 0 1px #ffffff10,
    0 30px 60px -20px rgba(0,0,0,0.7),
    0 14px 32px -16px rgba(0,0,0,0.6);
}
.phone-screen {
  position: relative;
  width: 100%;
  height: 100%;
  background: var(--bg);
  border-radius: 36px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.phone-screenshot {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.phone-status {
  height: 44px;
  position: relative;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 13px;
  color: var(--ink);
  flex: none;
}
.phone-notch {
  position: absolute;
  left: 50%;
  top: 9px;
  transform: translateX(-50%);
  width: 96px;
  height: 28px;
  background: #000;
  border-radius: 16px;
}
.phone-status-icons {
  display: flex;
  gap: 5px;
  align-items: center;
  color: var(--ink);
}
.phone-status-icons .bars,
.phone-status-icons .wifi,
.phone-status-icons .batt {
  display: inline-block;
}
.phone-status-icons .batt {
  width: 22px;
  height: 11px;
  border: 1px solid var(--ink);
  border-radius: 3px;
  position: relative;
  padding: 1px;
}
.phone-status-icons .batt::before {
  content: "";
  display: block;
  width: 70%;
  height: 100%;
  background: var(--ink);
  border-radius: 1px;
}
.phone-status-icons .batt::after {
  content: "";
  position: absolute;
  right: -3px;
  top: 3px;
  width: 2px;
  height: 5px;
  background: var(--ink);
  border-radius: 0 1px 1px 0;
}

/* Editor, top bar */
.ed-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  flex: none;
}
.ed-back {
  color: var(--ink-2);
  font-size: 20px;
  line-height: 1;
}
.ed-projname {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: -0.005em;
  color: var(--ink);
}
.ed-export {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 12px;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 6px 11px;
  border-radius: 999px;
  letter-spacing: -0.005em;
}

/* Editor, video preview */
.ed-video {
  position: relative;
  margin: 4px 12px 0;
  border-radius: 14px;
  overflow: hidden;
  flex: 1 1 auto;
  background:
    radial-gradient(60% 50% at 50% 35%, #2a2018 0%, #0a0a0a 70%);
}
/* Procedural talking-head poster: shoulders + head silhouette + warm key light */
.ed-poster {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(38% 28% at 50% 36%, #c79068 0%, #6a4a36 35%, transparent 70%),
    radial-gradient(60% 50% at 50% 110%, #2b211a 0%, transparent 60%),
    linear-gradient(180deg, #1a1310 0%, #0a0808 100%);
}
.ed-poster::before {
  /* head silhouette */
  content: "";
  position: absolute;
  left: 50%;
  top: 26%;
  transform: translateX(-50%);
  width: 86px;
  height: 102px;
  border-radius: 50% 50% 46% 46% / 55% 55% 45% 45%;
  background: radial-gradient(50% 50% at 35% 35%, #9a6a48 0%, #5a3a26 70%, #2a1c12 100%);
  box-shadow: inset -10px -6px 24px #1a0e08;
}
.ed-poster::after {
  /* shoulders */
  content: "";
  position: absolute;
  left: 50%;
  bottom: -12%;
  transform: translateX(-50%);
  width: 220%;
  height: 60%;
  border-radius: 50% 50% 0 0;
  background: linear-gradient(180deg, #1a1410 0%, #0c0907 100%);
}
.ed-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(80% 60% at 50% 40%, transparent 60%, rgba(0,0,0,0.55) 100%);
  pointer-events: none;
}

/* Caption overlay, Pop Yellow */
.ed-caption {
  position: absolute;
  left: 50%;
  bottom: 32%;
  transform: translateX(-50%);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
  width: 86%;
  font-family: var(--sans);
  font-weight: 800;
  font-size: 26px;
  line-height: 1;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: #fff;
  filter: drop-shadow(0 2px 0 rgba(0,0,0,0.6));
}
.ed-caption span {
  -webkit-text-stroke: 2px #000;
  paint-order: stroke fill;
  display: inline-block;
}
.ed-caption span.active {
  color: var(--pop);
  transform: scale(1.08);
}

/* Scrubber */
.ed-scrub {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: rgba(10,10,10,0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: 999px;
  border: 1px solid #ffffff14;
}
.ed-play {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  flex: none;
  color: var(--ink);
}
.ed-play::before {
  content: "";
  width: 0;
  height: 0;
  border-left: 8px solid currentColor;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  margin-left: 2px;
}
.ed-track {
  position: relative;
  flex: 1 1 auto;
  height: 4px;
  background: #ffffff1f;
  border-radius: 2px;
}
.ed-track::before {
  content: "";
  position: absolute;
  inset: 0 62% 0 0;
  background: var(--ink);
  border-radius: 2px;
}
.ed-thumb {
  position: absolute;
  left: 38%;
  top: 50%;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #fff;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 0 1.5px rgba(0,0,0,0.5);
}
.ed-time {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  color: var(--ink-2);
  flex: none;
}

/* Transcript + style strips beneath video */
.ed-strips {
  flex: none;
  padding: 12px 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow: hidden;
}
.ed-transcript {
  display: flex;
  gap: 6px;
  overflow: hidden;
}
.ed-chunk {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 12px;
  color: var(--ink-2);
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--bg-2);
  border: 0.5px solid var(--line);
  white-space: nowrap;
}
.ed-chunk.sel {
  color: var(--ink);
  border-color: var(--accent);
  background: #ffb54712;
}
.ed-style-row {
  display: flex;
  gap: 8px;
  overflow: hidden;
}
.ed-style-tile {
  flex: none;
  width: 84px;
  height: 56px;
  border-radius: 8px;
  background: #15110b;
  border: 0.5px solid var(--line);
  position: relative;
  display: grid;
  place-items: center;
  font-family: var(--sans);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: -0.02em;
  color: #fff;
  text-transform: uppercase;
  -webkit-text-stroke: 1.4px #000;
  paint-order: stroke fill;
}
.ed-style-tile.active { border-color: var(--accent); }
.ed-style-tile .pop { color: var(--pop); }
.ed-style-tile.kara {
  background: #0d1316;
  color: #fff;
  -webkit-text-stroke: 0;
}
.ed-style-tile.kara .hl { color: #7be8ff; }
.ed-style-tile.mini {
  background: #0e0e10;
  font-size: 9px;
  letter-spacing: 0;
  text-transform: none;
  -webkit-text-stroke: 0;
  font-weight: 500;
  color: var(--ink-2);
}

/* Phone home indicator */
.phone-home {
  position: absolute;
  left: 50%;
  bottom: 6px;
  transform: translateX(-50%);
  width: 110px;
  height: 4px;
  border-radius: 2px;
  background: var(--ink);
  opacity: 0.85;
}

/* ---------- On-device strip (under hero) ---------- */
.ondevice {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.ondevice-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 36px;
  flex-wrap: wrap;
  padding: 22px 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.ondevice-inner .dot {
  width: 4px;
  height: 4px;
  background: var(--ink-4);
  border-radius: 50%;
  display: inline-block;
}

/* ---------- Features ---------- */
.features {
  padding: clamp(96px, 14vh, 160px) 0 clamp(80px, 12vh, 140px);
}
.section-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 28px;
}
.section-lede {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(32px, 4.4vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--ink);
  max-width: 22ch;
  margin: 0 0 80px;
  text-wrap: balance;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}
.feature {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.feature-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ink-3);
}
.feature-title {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin: 0;
}
.feature-title .accent-underline {
  background-image: linear-gradient(var(--accent), var(--accent));
  background-repeat: no-repeat;
  background-size: 100% 2px;
  background-position: 0 100%;
  padding-bottom: 2px;
}
.feature-body {
  font-size: 15px;
  line-height: 1.5;
  color: var(--ink-2);
  margin: 0;
  max-width: 32ch;
}

/* ---------- CTA band ---------- */
.cta {
  padding: clamp(80px, 12vh, 140px) 0;
  border-top: 1px solid var(--line);
  text-align: left;
}
.cta-inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: center;
}
.cta-headline {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(40px, 5.4vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0 0 24px;
  text-wrap: balance;
}
.cta-sub {
  font-size: 17px;
  color: var(--ink-2);
  max-width: 36ch;
  margin: 0 0 32px;
}
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
}
.cta-price {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: flex-end;
  text-align: right;
}
.cta-price-amount {
  font-family: var(--sans);
  font-weight: 600;
  font-size: clamp(48px, 6.5vw, 84px);
  line-height: 1;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.cta-price-meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--line);
  padding: 36px 0 48px;
}

/* ---------- Doc pages (privacy / support) ---------- */
.doc-shell {
  padding: clamp(56px, 9vh, 120px) 0 clamp(80px, 12vh, 140px);
}
.doc {
  max-width: 640px;
  margin: 0 auto;
}
.doc-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0 0 24px;
}
.doc h1 {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(56px, 8vw, 88px);
  line-height: 0.95;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin: 0 0 14px;
}
.doc-meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0 0 40px;
}
.doc-lede {
  font-size: 20px;
  line-height: 1.45;
  letter-spacing: -0.005em;
  color: var(--ink);
  margin: 0 0 56px;
  text-wrap: pretty;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line);
}
.doc h2 {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 22px;
  line-height: 1.25;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin: 56px 0 16px;
  /* Pad scroll-target so the sticky topbar (64px) doesn't cover it */
  scroll-margin-top: 84px;
}
.doc h2:first-of-type { margin-top: 0; }
.doc p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-2);
  margin: 0 0 16px;
  text-wrap: pretty;
}
.doc p strong { color: var(--ink); font-weight: 500; }
.doc a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--ink-3);
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
.doc a:hover {
  color: var(--accent);
  text-decoration-color: var(--accent);
}
.doc ul {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}
.doc ul li {
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink-2);
  padding-left: 22px;
  position: relative;
  margin-bottom: 12px;
}
.doc ul li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.7em;
  width: 6px;
  height: 1px;
  background: var(--ink-4);
}

/* Support mini-nav (anchored question list) */
.doc-nav {
  margin: 0 0 64px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.doc-nav-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0 0 18px;
}
.doc-nav ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 16px;
  row-gap: 10px;
}
.doc-nav ol li {
  display: contents;
}
.doc-nav ol .num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-4);
  padding-top: 4px;
  text-align: right;
}
.doc-nav ol a {
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.45;
  color: var(--ink-2);
  text-decoration: none;
  letter-spacing: -0.005em;
}
.doc-nav ol a:hover { color: var(--accent); }

/* FAQ question = doc h2 styled normally; preserve scroll offset already set. */
.doc .faq + .faq { margin-top: 56px; }
.doc .faq h2 { margin-top: 0; }

@media (max-width: 560px) {
  .doc h1 { font-size: 48px; }
  .doc-lede { font-size: 18px; }
  .doc-nav ol { grid-template-columns: 1fr; }
  .doc-nav ol .num { display: none; }
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.footer-links {
  display: flex;
  gap: 24px;
}
.footer-links a:hover { color: var(--accent); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 56px;
  }
  .hero {
    min-height: 0;
    padding-top: 48px;
    padding-bottom: 64px;
  }
  .feature-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .feature { padding-top: 20px; }
  .cta-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .cta-price { align-items: flex-start; text-align: left; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .topnav { gap: 20px; }
}

@media (max-width: 560px) {
  .wordmark { font-size: clamp(64px, 18vw, 96px); }
  .hero-tagline { font-size: 22px; }
  .ondevice-inner { gap: 18px; }
  .ondevice-inner .dot { display: none; }
  .phone {
    width: 280px;
    height: 580px;
    border-radius: 40px;
    padding: 9px;
  }
  .phone-screen { border-radius: 32px; }
  .ed-caption { font-size: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}