/* LipScribe design system — same structure as RedactCam / LevelAudio
   (system fonts, mono labels, dark UI), with its own coral accent. */
:root {
  --bg: #100d0f; --panel: #171316; --panel2: #1f1a1d; --border: #2e272b;
  --text: #ede7ea; --muted: #a69ca1; --accent: #ef7d6d; --accent-hi: #f59a8c; --accent-ink: #1d0f0c;
  --ok: #6fd39a; --mid: #e8b465; --lo: #ef7d6d;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", sans-serif;
  color-scheme: dark;
}
* { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { background: var(--bg); color: var(--text); font: 16px/1.65 var(--sans); }
.wrap { max-width: 1020px; margin: 0 auto; padding: 0 24px; }
a { color: var(--accent); }
[hidden] { display: none !important; }

nav { display: flex; align-items: center; gap: 10px; padding: 18px 0; }
nav .brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); }
nav .brand img { width: 24px; height: 24px; }
nav .brand b { font: 700 15px/1 var(--mono); letter-spacing: .14em; }
nav .cta { margin-left: auto; }
.lang { margin-left: 14px; font: 500 11px/1 var(--mono); letter-spacing: .06em; display: inline-flex; gap: 2px; }
.lang a, .lang b { padding: 6px 4px; text-decoration: none; color: var(--muted); }
.lang b, .lang a[aria-current="true"] { color: var(--text); font-weight: 700; }
.lang a:hover { color: var(--text); }

.btn {
  display: inline-block; text-decoration: none; cursor: pointer; text-align: center;
  font: 600 14px/1 var(--mono); letter-spacing: .05em;
  background: var(--accent); color: var(--accent-ink); border: 0;
  padding: 13px 20px; border-radius: 4px;
}
.btn:hover, .btn:focus-visible { background: var(--accent-hi); outline: none; }
.btn:focus-visible { box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--accent); }
.btn.small { padding: 10px 15px; font-size: 12.5px; }
.btn.outline { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.btn.outline:hover, .btn.outline:focus-visible { background: var(--accent); color: var(--accent-ink); }
.btn.quiet { background: var(--panel2); color: var(--text); border: 1px solid var(--border); }
.btn.quiet:hover, .btn.quiet:focus-visible { border-color: var(--accent); background: var(--panel2); }
.btn:disabled { opacity: .4; cursor: not-allowed; }
.btn:disabled:hover { background: var(--accent); }
.btn.quiet:disabled:hover { background: var(--panel2); border-color: var(--border); }
.ghost { font: 500 13px/1 var(--mono); color: var(--accent); margin-left: 14px; text-decoration: none; white-space: nowrap; background: none; border: 0; cursor: pointer; }

/* viewfinder motif: four corner brackets */
.vf { position: relative; padding: 34px 30px 30px; }
.vf::before, .vf::after, .vf > i::before, .vf > i::after {
  content: ""; position: absolute; width: 26px; height: 26px; border: 2px solid var(--accent);
}
.vf::before { top: 0; left: 0; border-right: 0; border-bottom: 0; }
.vf::after { top: 0; right: 0; border-left: 0; border-bottom: 0; }
.vf > i::before { bottom: 0; left: 0; border-right: 0; border-top: 0; }
.vf > i::after { bottom: 0; right: 0; border-left: 0; border-top: 0; }
.osd { display: flex; justify-content: space-between; gap: 6px 18px; font: 500 12px/1 var(--mono); color: var(--accent); letter-spacing: .08em; margin-bottom: 30px; }
/* steady green dot: "on device", not a recording light */
.osd .rec::before { content: "●"; color: var(--ok); margin-right: 7px; }

h1 { font: 750 clamp(30px, 5vw, 48px)/1.1 var(--sans); letter-spacing: -.015em; max-width: 21ch; text-wrap: balance; margin-bottom: 18px; }
h1 em { font-style: normal; color: var(--accent); }
h2 { font: 700 clamp(22px, 3vw, 28px)/1.2 var(--sans); margin-bottom: 8px; text-wrap: balance; }
h2 em { font-style: normal; color: var(--accent); }
h2 + .cols, h2 + .verify, h2 + .stats, h2 + details { margin-top: 22px; }
.kicker { font: 600 11.5px/1 var(--mono); letter-spacing: .16em; color: var(--accent); text-transform: uppercase; margin-bottom: 12px; }
.lead { color: var(--muted); max-width: 62ch; margin-bottom: 30px; }

/* hero */
.hero { padding: 48px 0 72px; }
.hero p.sub { color: var(--muted); max-width: 54ch; margin-bottom: 28px; font-size: 17px; }
.wip { max-width: 500px; margin: -12px 0 24px; padding: 9px 12px; border: 1px solid var(--mid); border-radius: 6px; font: 500 12px/1.6 var(--mono); letter-spacing: .02em; }
.wip b { color: var(--mid); letter-spacing: .1em; margin-right: 6px; }
.hero .actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 18px; }
.hero .actions .ghost { margin-left: 0; }
.proof { margin-top: 34px; display: flex; gap: 20px 28px; flex-wrap: wrap; font: 500 12.5px/1.5 var(--mono); color: var(--muted); letter-spacing: .04em; }
.proof b { color: var(--text); display: block; font-size: 17px; font-variant-numeric: tabular-nums; }

section { padding: 56px 0; border-top: 1px solid var(--border); }

.cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; }
.cols.four { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 6px; padding: 20px 22px; }
.card h3 { font-size: 16px; margin-bottom: 8px; }
.card .n { font: 600 11px/1 var(--mono); color: var(--accent); letter-spacing: .1em; display: block; margin-bottom: 12px; }
.card p { color: var(--muted); font-size: 14.5px; }
.card ul { color: var(--muted); font-size: 14.5px; padding-left: 18px; display: grid; gap: 6px; }

.verify { background: var(--panel); border: 1px solid var(--border); border-radius: 6px; padding: 26px 28px; }
.verify > p { color: var(--muted); }
.verify ol { margin: 14px 0 0 18px; color: var(--muted); font-size: 15px; display: grid; gap: 8px; }
.verify strong { color: var(--text); }
code { font: 500 13px/1.6 var(--mono); background: var(--panel2); border: 1px solid var(--border); border-radius: 3px; padding: 1px 7px; color: var(--text); }

.chips { display: flex; gap: 10px; flex-wrap: wrap; }
.chip { font: 500 13px/1 var(--mono); letter-spacing: .03em; color: var(--text); border: 1px solid var(--border); background: var(--panel); border-radius: 3px; padding: 10px 14px; }

/* faq */
.faq details { border: 1px solid var(--border); border-radius: 6px; background: var(--panel); padding: 0; margin-bottom: 10px; }
.faq summary { cursor: pointer; padding: 15px 20px; font-weight: 600; font-size: 15px; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 14px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font: 400 18px/1 var(--mono); }
.faq details[open] summary::after { content: "–"; }
.faq details p { padding: 0 20px 16px; color: var(--muted); font-size: 14.5px; max-width: 70ch; }

.final { text-align: center; padding: 72px 0 84px; }
.final h2 { max-width: 26ch; margin: 0 auto 24px; }
.final .donate { margin-top: 16px; }
.final .donate .btn { white-space: normal; max-width: 100%; line-height: 1.35; text-wrap: balance; }

footer { border-top: 1px solid var(--border); padding: 26px 0 40px; color: var(--muted); font-size: 13px; }
footer .row { display: flex; gap: 10px 18px; flex-wrap: wrap; align-items: baseline; }
footer .row b { font: 700 12px/1 var(--mono); letter-spacing: .12em; color: var(--text); }
footer p { margin-top: 12px; max-width: 90ch; font-size: 12.5px; }

/* transcript words: shaded by their chance of being right (shared by landing + app) */
.w { border-radius: 3px; padding: 0 1px; }
.w.c-hi { color: var(--text); }
.w.c-mid { color: var(--mid); }
.w.c-lo { color: var(--lo); text-decoration: underline dotted; text-underline-offset: 3px; }

/* ---------- landing: hero demo (a real clip + what LipScribe read from it; src/landing.ts) ---------- */
.hero .demo { margin: 2px 0 30px; max-width: 520px; }
.demo .scene {
  position: relative; aspect-ratio: 4 / 3; border-radius: 6px; overflow: hidden; border: 1px solid var(--border);
  background: #201a1e;
}
.demo .scene video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; cursor: pointer; }
.demo .det { position: absolute; border: 2px solid var(--accent); pointer-events: none; }
.demo .det b { position: absolute; left: -2px; bottom: 100%; margin-bottom: 5px; padding: 2px 4px; border-radius: 2px; background: rgb(16 13 15 / .62); font: 600 9.5px/1 var(--mono); letter-spacing: .1em; color: var(--accent); white-space: nowrap; }
.demo .det .mdot { position: absolute; width: 6px; height: 6px; margin: -3px 0 0 -3px; border-radius: 50%; background: var(--accent); }
.demo .crop { position: absolute; right: 14px; top: 14px; width: 76px; text-align: center; pointer-events: none; }
.demo .crop > span { display: block; width: 76px; height: 76px; border-radius: 4px; border: 1px solid #4a3f45; overflow: hidden; background: #6c6467; }
.demo .crop canvas { width: 100%; height: 100%; display: block; filter: grayscale(1); }
.demo .crop small { display: inline-block; margin-top: 5px; padding: 3px 4px; border-radius: 2px; background: rgb(16 13 15 / .62); font: 600 8.5px/1 var(--mono); letter-spacing: .1em; color: var(--text); }
.demo .corner { position: absolute; width: 14px; height: 14px; border: 2px solid var(--accent); pointer-events: none; }
.demo .corner.tl { top: 8px; left: 8px; border-right: 0; border-bottom: 0; }
.demo .corner.tr { top: 8px; right: 8px; border-left: 0; border-bottom: 0; }
.demo .corner.bl { bottom: 8px; left: 8px; border-right: 0; border-top: 0; }
.demo .corner.br { bottom: 8px; right: 8px; border-left: 0; border-top: 0; }
.demo .play {
  position: absolute; left: 50%; top: 50%; width: 64px; height: 64px; margin: -32px 0 0 -32px; border-radius: 50%;
  border: 2px solid var(--accent); background: rgb(16 13 15 / .7); cursor: pointer;
}
.demo .play::before { content: ""; position: absolute; left: 25px; top: 19px; border-style: solid; border-width: 13px 0 13px 21px; border-color: transparent transparent transparent var(--accent); }
.demo .play:focus-visible { outline: none; box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--accent); }
/* two caption lines, always: the box never jumps */
.demo .line { position: relative; margin-top: 12px; padding: 12px 14px; min-height: calc(3em + 24px); border-radius: 6px; background: var(--panel); border: 1px solid var(--border); font-size: 17px; line-height: 1.5; }
.demo .line .t { font: 500 11.5px/1 var(--mono); color: var(--accent); margin-right: 10px; vertical-align: 2px; }
.demo .line .w { opacity: 0; transition: opacity .15s; }
.demo .line .w.on { opacity: 1; }
.demo .line .w.now { background: var(--panel2); box-shadow: inset 0 -2px 0 var(--accent); }
.demo .pop {
  position: absolute; left: 0; top: calc(100% + 6px); width: 172px; z-index: 2;
  background: var(--panel2); border: 1px solid var(--border); border-radius: 6px; padding: 9px 11px;
  box-shadow: 0 10px 26px rgb(0 0 0 / .45); font-size: 13px;
}
.demo .pop small { display: block; font: 600 9.5px/1 var(--mono); letter-spacing: .1em; color: var(--muted); margin-bottom: 7px; text-transform: uppercase; }
.demo .pop .rows > div { display: grid; grid-template-columns: 1fr 44px 32px; gap: 8px; align-items: center; padding: 2px 0; }
.demo .pop .pct { font: 500 11px/1 var(--mono); color: var(--muted); text-align: right; }
.demo .bar { display: flex; justify-content: space-between; margin-top: 9px; font: 500 10.5px/1 var(--mono); letter-spacing: .1em; color: var(--muted); }
.demo .bar .rec::before { content: "●"; color: var(--accent); margin-right: 6px; animation: blink 1.6s steps(1) infinite; }
.demo .bar .clock { font-variant-numeric: tabular-nums; }
.demo .credit { margin-top: 9px; font: 500 10.5px/1.55 var(--mono); color: var(--muted); }
.demo .credit a { color: var(--muted); }
.demo .credit a:hover { color: var(--text); }
@keyframes blink { 50% { opacity: .25; } }
@media (prefers-reduced-motion: reduce) { .demo .bar .rec::before { animation: none; } .demo .line .w { transition: none; } }
/* phones / tablets: headline, then the demo, then the text */
@media (max-width: 999.98px) {
  .hero .vf { display: flex; flex-direction: column; }
  .hero .vf > h1 { order: 1; }
  .hero .vf > .demo { order: 2; }
  .hero .vf > .sub { order: 3; }
  .hero .vf > .actions { order: 4; }
  .hero .vf > .proof { order: 5; }
}
@media (min-width: 1000px) {
  .hero .demo { position: absolute; right: 30px; top: 84px; width: 360px; margin: 0; }
  .hero .vf { min-height: 560px; }
  .hero h1 { font-size: clamp(30px, 4.2vw, 44px); max-width: 500px; }
  .hero p.sub, .hero .proof { max-width: 500px; }
  .hero .proof { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 28px; }
}

/* probability bars (landing sample + app) */
.pbar { height: 6px; border-radius: 3px; background: var(--border); overflow: hidden; }
.pbar i { display: block; height: 100%; background: var(--accent); border-radius: 3px; }

/* ---------- landing: accuracy ---------- */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; margin-bottom: 14px; }
.stat { background: var(--panel); border: 1px solid var(--border); border-radius: 6px; padding: 18px 20px; }
.stat b { display: block; font: 700 26px/1.1 var(--mono); color: var(--text); margin-bottom: 6px; font-variant-numeric: tabular-nums; }
.stat span { color: var(--muted); font-size: 14px; }
.sample { background: var(--panel); border: 1px solid var(--border); border-radius: 6px; padding: 18px 20px; margin-bottom: 14px; }
.sample .lbl { font: 600 10.5px/1 var(--mono); letter-spacing: .14em; color: var(--muted); text-transform: uppercase; display: block; margin-bottom: 12px; }
.sample .line { display: grid; grid-template-columns: 52px minmax(0, 1fr); gap: 10px; font-size: 18px; line-height: 1.6; }
.sample .line .t { font: 500 12.5px/2.3 var(--mono); color: var(--accent); }
.sample ol { list-style: none; padding: 10px 0 0 62px; display: grid; gap: 6px; font-size: 14px; color: var(--muted); }
.sample ol li { display: grid; grid-template-columns: 80px 42px minmax(0, 1fr); gap: 10px; align-items: center; }
.sample ol .pct { font: 500 12px/1 var(--mono); text-align: right; }
.sample mark { background: none; color: var(--accent); font-weight: 650; } /* words that differ from the shown line, as in the app */
.legend { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 6px 18px; font: 500 12px/1.6 var(--mono); color: var(--muted); }
.legend .w { font-family: var(--sans); font-size: 14px; }
.small-note { margin-top: 18px; font: 500 12.5px/1.7 var(--mono); color: var(--muted); letter-spacing: .02em; max-width: 80ch; }

/* ---------- mobile ---------- */
@media (max-width: 680px) {
  .wrap { padding: 0 16px; }
  nav { flex-wrap: wrap; row-gap: 6px; }
  nav .btn { white-space: nowrap; }
}
@media (max-width: 640px) {
  .proof { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 12px; margin-top: 26px; }
  .hero { padding: 28px 0 48px; }
  .hero p.sub { font-size: 16px; }
  nav .brand b { font-size: 13px; }
  nav .lang { margin-left: -4px; flex-basis: 100%; }
  .btn, .btn.small { white-space: nowrap; }
  .osd { flex-direction: column; align-items: flex-start; gap: 9px; }
  .vf { padding: 30px 20px 24px; }
  h1 { font-size: clamp(28px, 8.5vw, 40px); }
  section { padding: 40px 0; }
  .final { padding: 48px 0 56px; }
  .verify { padding: 20px 18px; }
  .sample { padding: 16px 14px; }
  .sample .line { grid-template-columns: 1fr; gap: 2px; font-size: 17px; }
  .sample .line .t { line-height: 1.4; }
  .sample ol { padding-left: 0; }
  .sample ol li { grid-template-columns: 38px minmax(0, 1fr); row-gap: 4px; }
  .sample ol li .pbar { grid-column: 1 / -1; grid-row: 2; }
  .faq summary { padding: 14px 16px; }
  .faq details p { padding: 0 16px 14px; }
}