/* ============================================================
   ReelSense — documentation site
   The "Cutting Room" design system, ported from the webapp
   (webapp/frontend/src/index.css + workstation.css) so tokens
   and components stay identical. Flat, tonal, one amber accent,
   Sora numerals over Inter prose. Zero shadows.
   ============================================================ */

:root {
  --bg: #0a0c11;
  --bg-soft: #0e1118;
  --panel: #12151d;
  --card: #161a24;
  --card-hover: #1a1f2b;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #e8eaf0;
  --muted: #9aa1b2;   /* ≥5:1 on --card for small labels */
  --faint: #878ea1;   /* ≥4.5:1 on --card; captions only */
  --accent: #f2b544;
  --accent-ink: #241703;
  --accent-soft: rgba(242, 181, 68, 0.13);
  --indigo: #9a93ec;
  --indigo-soft: rgba(154, 147, 236, 0.13);
  --indigo-bright: #bcb7f4;
  --danger: #e86a6a;
  --danger-bright: #f2b3b3;
  --radius: 14px;
  --radius-ctl: 10px;
  --focus-ring: 2px solid var(--accent);
  --ease-quint: cubic-bezier(0.22, 1, 0.36, 1);

  --shell-x: clamp(20px, 5vw, 44px);
  --measure: 1120px;

  font-family: "Inter", system-ui, -apple-system, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3,
.wordmark, .score-num, .rank-badge, .step-num {
  font-family: "Sora", "Inter", sans-serif;
}

h1, h2, h3 {
  text-wrap: balance;
  margin: 0;
}

a {
  color: inherit;
}

button {
  font-family: inherit;
}

:focus-visible {
  outline: var(--focus-ring);
  outline-offset: 2px;
  border-radius: 4px;
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* ---------- wordmark (solid Projector Amber, per DESIGN.md) ---------- */

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin: 0;
  color: var(--accent);
  text-decoration: none;
  white-space: nowrap;
}

.wordmark .mark {
  width: 25px;
  height: 25px;
  flex: none;
}

.preview-badge {
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--indigo-bright);
  background: var(--indigo-soft);
  border: 1px solid rgba(154, 147, 236, 0.35);
  font-size: 11.5px;
  padding: 3px 11px;
  border-radius: 20px;
  white-space: nowrap;
}

/* ============================================================
   Top bar / navigation
   Bare links on a hairline baseline; active = amber text +
   2px amber underline + 700 weight (DESIGN.md tab spec).
   ============================================================ */

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(10, 12, 17, 0.86);
  border-bottom: 1px solid var(--border);
  /* not glassmorphism — a flat wash that keeps text legible on scroll */
  backdrop-filter: saturate(1.1) blur(8px);
}

.topbar-inner {
  max-width: var(--measure);
  margin-inline: auto;
  padding: 14px var(--shell-x);
  display: flex;
  align-items: center;
  gap: 18px;
}

.topbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.site-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav a {
  position: relative;
  padding: 8px 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  text-decoration: none;
  border-radius: var(--radius-ctl);
  white-space: nowrap;
  transition: color 0.15s var(--ease-quint);
}

.site-nav a:hover {
  color: var(--text);
}

.site-nav a[aria-current="page"],
.site-nav a.active {
  color: var(--accent);
  font-weight: 700;
}

.site-nav a[aria-current="page"]::after,
.site-nav a.active::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: -1px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
}

.nav-cta {
  margin-left: 6px;
}

/* Nav collapses to a scrollable row on narrow screens. */
@media (max-width: 860px) {
  .topbar-inner {
    flex-wrap: wrap;
    gap: 10px;
  }
  .site-nav {
    margin-left: 0;
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }
}

/* ============================================================
   Buttons
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--radius);
  padding: 12px 18px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.12s var(--ease-quint), background 0.15s, border-color 0.15s;
}

.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
}
/* DESIGN.md §5: "Hover brightens (~8%)" — a filter, not a second amber. */
.btn-primary:hover { filter: brightness(1.07); }

.btn-secondary {
  background: var(--card);
  color: var(--text);
  border-color: var(--border-strong);
  border-radius: var(--radius-ctl);
  padding: 11px 16px;
}
.btn-secondary:hover {
  background: var(--card-hover);
  border-color: var(--accent);
}

.btn-sm { padding: 8px 14px; font-size: 13px; }

/* ============================================================
   Layout scaffolding
   ============================================================ */

.site-main {
  flex: 1;
  width: 100%;
  max-width: var(--measure);
  margin-inline: auto;
  padding: 0 var(--shell-x);
}

.section {
  padding: clamp(48px, 8vh, 84px) 0;
  border-top: 1px solid var(--border);
  scroll-margin-top: 76px; /* clear the sticky nav when jumped to via anchor */
}

.section:first-of-type { border-top: none; }

/* label above a section — sentence case, Booth Gray, 600 (No-Eyebrow Rule:
   never uppercase-tracked). */
.section-kicker {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  margin: 0 0 10px;
}

.section-title {
  font-size: clamp(24px, 4vw, 30px);
  font-weight: 800;
  letter-spacing: -0.8px;
  line-height: 1.15;
  margin: 0 0 14px;
  max-width: 20ch;
}

.section-lead {
  color: var(--muted);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.55;
  max-width: 60ch;
  margin: 0;
}

.prose { max-width: 65ch; }
.prose p { color: var(--muted); margin: 0 0 14px; }
.prose p:last-child { margin-bottom: 0; }
.prose b, .prose strong { color: var(--text); font-weight: 600; }

/* ============================================================
   Hero (index)
   ============================================================ */

.hero {
  padding: clamp(56px, 12vh, 120px) 0 clamp(40px, 7vh, 72px);
}

.hero-rise {
  animation: rise-in 0.55s var(--ease-quint) both;
}

.hero-title {
  font-size: clamp(34px, 6.5vw, 62px);
  font-weight: 800;
  letter-spacing: -1.6px;
  line-height: 1.04;
  margin: 0 0 20px;
  max-width: 16ch;
}

.hero-title .lit { color: var(--accent); }

.hero-sub {
  color: var(--muted);
  font-size: clamp(16px, 1.8vw, 19px);
  line-height: 1.55;
  max-width: 54ch;
  margin: 0 0 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.hero-note {
  margin: 22px 0 0;
  font-size: 13px;
  color: var(--faint);
}

/* ============================================================
   Scene map (signature) — one real film's ranking, laid over
   its runtime. Ticks are positioned by timestamp, sized by true
   duration, and tiered by rank (spotlight / expandable / out).
   ============================================================ */

.scene-map {
  margin: 40px 0 0;
}

.scene-map-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 10px;
}

.scene-map-film {
  color: var(--faint);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.scene-map-track {
  --h1: 60px;   /* ranks 1–5    */
  --h2: 40px;   /* ranks 6–12   */
  --h3: 26px;   /* ranks 13–20  */
  --h4: 12px;   /* ranks 21–60  */
  --h5: 6px;    /* ranks 61+    */
  --floor: 12px;

  position: relative;
  height: 112px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-ctl);
  overflow: hidden;
}

/* the strip the ticks stand on */
.scene-map-track::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: var(--floor);
  height: 1px;
  background: var(--border);
}

.act-line {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--border);
}

.act-label {
  position: absolute;
  top: 9px;
  padding-left: 10px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--faint);
  opacity: 0.7;
  pointer-events: none;
}

.scene-tick {
  position: absolute;
  bottom: var(--floor);
  min-width: 2px;
  /* scenes tile the runtime edge to edge; the hairline keeps them countable */
  border: none;
  border-right: 1px solid var(--bg-soft);
  border-radius: 2px 2px 0 0;
  padding: 0;
  background: var(--accent);
  transform-origin: bottom;
}

.scene-tick.s1 { height: var(--h1); opacity: 1;    z-index: 4; }
.scene-tick.s2 { height: var(--h2); opacity: 0.7;  z-index: 3; }
.scene-tick.s3 { height: var(--h3); opacity: 0.48; z-index: 2; }

.scene-tick.rest {
  height: var(--h4);
  background: var(--border-strong);
  z-index: 1;
}
.scene-tick.rest.deep {
  height: var(--h5);
  background: var(--border);
}

button.scene-tick {
  cursor: pointer;
  transition: opacity 0.15s, transform 0.18s var(--ease-quint);
}

button.scene-tick:hover,
button.scene-tick:focus-visible,
button.scene-tick.is-on {
  opacity: 1;
  transform: scaleY(1.12);
}

button.scene-tick:focus-visible {
  outline-offset: 2px;
}

/* the inspected scene wears a cap, so the readout below has a source on the strip */
button.scene-tick.is-on::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: calc(100% + 7px);
  width: 6px;
  height: 6px;
  margin-left: -3px;
  border-radius: 50%;
  background: var(--accent);
}

/* One authored moment: the film scans left to right on load. */
@media (prefers-reduced-motion: no-preference) {
  .scene-tick {
    animation: tick-rise 420ms var(--ease-quint) backwards;
    animation-delay: var(--d, 0ms);
  }
}

@keyframes tick-rise {
  from {
    transform: scaleY(0.04);
    opacity: 0;
  }
}

.scene-map-foot {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 12px;
}

.scene-map-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 12.5px;
  color: var(--faint);
}

.scene-map-legend li {
  display: flex;
  align-items: center;
  gap: 7px;
}

.scene-map-legend li::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--border-strong);
}

.scene-map-legend .lg-spot::before { background: var(--accent); }
.scene-map-legend .lg-out::before  { background: var(--border); }

.scene-map-readout {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px 12px;
  margin: 0;
  min-height: 26px;
}

/* the rank-badge step from DESIGN.md §3: 24px / 800 / amber, tabular */
.ro-rank {
  font-family: "Sora", "Inter", sans-serif;
  font-size: 24px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.5px;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.ro-time {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.ro-beat {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 600;
  color: var(--indigo-bright);
}

.ro-beat::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--indigo);
}

.ro-reason {
  font-size: 14px;
  color: var(--text);
}

.scene-map-hint {
  margin: 0;
  font-size: 12.5px;
  color: var(--faint);
}

@media (max-width: 700px) {
  .scene-map-track {
    --h1: 44px;
    --h2: 30px;
    --h3: 20px;
    --h4: 9px;
    --h5: 5px;
    --floor: 10px;
    height: 86px;
  }
  .scene-map-head { flex-direction: column; gap: 2px; }
  .ro-reason { font-size: 13.5px; }
}

/* ============================================================
   Cards & grids
   ============================================================ */

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}

.grid {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

@media (max-width: 760px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

.card h3 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.3px;
  margin: 0 0 8px;
}
.card p {
  color: var(--muted);
  font-size: 14px;
  margin: 0;
}

/* audience card gets a small tag chip */
.card-tag {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(242, 181, 68, 0.28);
  padding: 3px 10px;
  border-radius: 20px;
}

/* ============================================================
   Pipeline (how-it-works)
   ============================================================ */

.pipeline {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 10px;
  margin-top: 32px;
}

.pipe-step {
  flex: 1 1 150px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.step-num {
  font-size: 22px;
  font-weight: 800;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.pipe-step h3 {
  font-size: 15px;
  font-weight: 700;
  margin: 0;
}

.pipe-step p {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
}

.pipe-arrow {
  align-self: center;
  color: var(--faint);
  flex: none;
}

@media (max-width: 760px) {
  .pipe-arrow { transform: rotate(90deg); }
  .pipe-step { flex-basis: 100%; }
}

/* stage detail list */
.stage {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 18px;
  padding: 22px 0;
  border-top: 1px solid var(--border);
}
.stage:first-child { border-top: none; }

.stage-marker {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent-soft);
  border: 1px solid rgba(242, 181, 68, 0.3);
  color: var(--accent);
  font-family: "Sora", sans-serif;
  font-weight: 800;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  display: flex;
  align-items: center;
  justify-content: center;
}

.stage h3 { font-size: 18px; font-weight: 700; margin: 4px 0 6px; }
.stage p { color: var(--muted); font-size: 14px; margin: 0; max-width: 62ch; }

/* ============================================================
   Chips / pills / held-out treatment
   ============================================================ */

.chip {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 11.5px;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
  border: 1px solid var(--border);
  white-space: nowrap;
}

.chip.heldout {
  background: var(--indigo-soft);
  color: var(--indigo);
  border-color: rgba(154, 147, 236, 0.35);
}

.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 3px 12px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  border: 1px solid transparent;
  white-space: nowrap;
}
.pill .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  flex: none;
}
.pill.beat { color: var(--indigo-bright); background: var(--indigo-soft); }
.pill.pivotal { color: var(--danger-bright); background: rgba(232, 106, 106, 0.14); }

.heldout-note {
  margin-top: 20px;
  padding: 12px 16px;
  border-radius: var(--radius);
  background: var(--indigo-soft);
  border: 1px solid rgba(154, 147, 236, 0.3);
  color: var(--indigo-bright);
  font-size: 13px;
  max-width: 62ch;
}

/* ---------- about-the-model disclosure ---------- */

.model-details {
  margin-top: 26px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  font-size: 14px;
  max-width: 72ch;
}

.model-details summary {
  cursor: pointer;
  padding: 12px 16px;
  color: var(--muted);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
  list-style: none;
}
.model-details summary::-webkit-details-marker { display: none; }

.model-details summary::before {
  content: "";
  width: 7px;
  height: 7px;
  flex: none;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-45deg);
  transition: transform 0.15s var(--ease-quint);
}
.model-details[open] summary::before { transform: rotate(45deg); }
.model-details summary:hover { color: var(--text); }
.model-details[open] summary { border-bottom: 1px solid var(--border); }

.model-details .details-body {
  padding: 14px 16px;
  color: var(--muted);
  display: grid;
  gap: 10px;
}
.model-details .details-body b { color: var(--text); }

/* ============================================================
   Scene card (signature — results)
   ============================================================ */

.scene-card {
  display: grid;
  grid-template-columns: 340px minmax(0, 1fr);
  gap: 22px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 18px;
}

@media (max-width: 760px) {
  .scene-card { grid-template-columns: 1fr; }
}

.clip-box {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: 10px;
  overflow: hidden;
  background: #000;
}

.clip-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  border: none;
  width: 100%;
  color: var(--text);
  background: radial-gradient(120% 120% at 30% 20%, #232838 0%, #12151d 70%);
  transition: color 0.15s;
}

.clip-placeholder::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 12, 17, 0.1) 40%, rgba(10, 12, 17, 0.62));
  z-index: 1;
}

.clip-placeholder .play,
.clip-placeholder .hint { position: relative; z-index: 2; }

.clip-placeholder .play {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.15s var(--ease-quint);
}
.clip-placeholder:hover .play { transform: scale(1.08); }
.clip-placeholder .play svg { width: 20px; height: 20px; margin-left: 3px; }
.clip-placeholder .hint { font-size: 13px; color: var(--text); }

.scene-info {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

.scene-top {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

.rank-badge {
  font-weight: 800;
  font-size: 24px;
  color: var(--accent);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.timecode {
  color: var(--muted);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.score-row {
  display: flex;
  align-items: center;
  gap: 14px;
}

.score-num {
  font-size: 34px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  min-width: 78px;
  line-height: 1.1;
}

.score-bar {
  flex: 1;
  height: 6px;
  background: rgba(255, 255, 255, 0.07);
  border-radius: 4px;
  overflow: hidden;
  max-width: 260px;
}

/* Static fill on the docs page — the app animates this on fresh results, but a
   documentation surface has no "results landing" moment, and the single authored
   entrance is the hero rise. */
.score-fill {
  height: 100%;
  border-radius: 4px;
  background: var(--accent);
}

.score-label {
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

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

.reason { color: var(--text); font-size: 14px; max-width: 62ch; }
.reason .label {
  display: block;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 3px;
}

/* ============================================================
   Contributors
   ============================================================ */

.team-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px;
  margin-top: 28px;
}

.team-grid .person {
  flex: 0 1 calc((100% - 36px) / 3);
  min-width: 220px;
}

.person {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  text-align: center;
}

.person-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--panel);
  border: 1px solid var(--border-strong);
  color: var(--accent);
  font-family: "Sora", sans-serif;
  font-weight: 800;
  font-size: 17px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  overflow: hidden;
  flex: none;
}

.person-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.person h3 { font-size: 17px; font-weight: 700; margin: 0 0 3px; }
.person .role { color: var(--muted); font-size: 13px; margin: 0 0 12px; }

.role-pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
  margin: 8px 0 14px;
}

.role-pills .role-chip {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 11.5px;
  font-weight: 500;
  background: rgba(242, 181, 68, 0.08);
  border: 1px solid rgba(242, 181, 68, 0.25);
  color: var(--accent);
}

.person-links { display: flex; gap: 10px; justify-content: center; }
.icon-link {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-ctl);
  border: 1px solid var(--border);
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.icon-link:hover { color: var(--text); border-color: var(--accent); background: var(--card-hover); }
.icon-link svg { width: 17px; height: 17px; }

.links-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.link-tile {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  transition: border-color 0.15s, background 0.15s;
}
.link-tile:hover { border-color: var(--accent); background: var(--card-hover); }
.link-tile svg { width: 18px; height: 18px; color: var(--muted); }

/* ============================================================
   Demo video embed (Results & Demo)
   ============================================================ */

.video-embed {
  position: relative;
  aspect-ratio: 16 / 9;
  margin-top: 28px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: radial-gradient(120% 120% at 30% 20%, #232838 0%, #12151d 70%);
}

/* Drop a YouTube/Vimeo iframe or a <video> in here — it fills the 16:9 well. */
.video-embed iframe,
.video-embed video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

/* Placeholder poster shown until the real embed is added. */
.video-embed .embed-poster {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  text-align: center;
  padding: 24px;
  color: var(--text);
}
.video-embed .embed-poster::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 12, 17, 0.1) 40%, rgba(10, 12, 17, 0.6));
}
.video-embed .embed-poster .play,
.video-embed .embed-poster .cap { position: relative; z-index: 1; }
.video-embed .embed-poster .play {
  width: 66px;
  height: 66px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.15s var(--ease-quint);
}
.video-embed .embed-poster:hover .play { transform: scale(1.06); }
.video-embed .embed-poster .play svg { width: 26px; height: 26px; margin-left: 4px; }
.video-embed .embed-poster .cap { font-size: 13px; color: var(--muted); }

/* ============================================================
   Demo request / contact panel (Results & Demo)
   ============================================================ */

.demo-request {
  margin-top: 32px;
  padding: clamp(32px, 6vw, 60px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 14px;
}

.demo-request .mark-lg {
  width: 38px;
  height: 38px;
  color: var(--accent);
}

.demo-request h3 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.3px;
  margin: 0;
}

.demo-request p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
  max-width: 52ch;
  margin: 0;
}

.demo-request .btn { margin-top: 8px; }

/* ============================================================
   Key findings (Results & Demo)
   ============================================================ */

.finding {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}
.finding .finding-lead {
  font-family: "Sora", sans-serif;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
  margin: 0 0 8px;
}
.finding h3 { font-size: 15px; font-weight: 700; margin: 0 0 6px; }
.finding p { color: var(--muted); font-size: 14px; margin: 0; }

/* ============================================================
   FAQ — native <details> accordion (keyboard-operable with no JS)
   ============================================================ */

.faq-layout {
  display: grid;
  gap: 28px;
}

.faq {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 76ch;
}

/* wide screens: the heading holds its own column and tracks the reader down
   the list, so the section reads at a different pace than the card grids */
@media (min-width: 940px) {
  .faq-layout {
    grid-template-columns: 320px 1fr;
    gap: 56px;
    align-items: start;
  }
  .faq-intro {
    position: sticky;
    top: 96px;
  }
}

.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 18px;
  cursor: pointer;
  /* body size, but Sora 700 against the Inter 400 answer — the pairing carries
     the hierarchy without inventing a step off the DESIGN.md ramp */
  font-family: "Sora", "Inter", sans-serif;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.2px;
  border-radius: var(--radius);
  list-style: none;
}

/* the chevron is the disclosure cue; the default marker duplicates it */
.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary:hover { background: var(--card-hover); }

.faq-item[open] summary {
  border-radius: var(--radius) var(--radius) 0 0;
}

.faq-chevron {
  flex: none;
  color: var(--muted);
  transition: transform 0.2s var(--ease-quint), color 0.15s;
}

.faq-item[open] .faq-chevron {
  transform: rotate(180deg);
  color: var(--accent);
}

.faq-body {
  padding: 0 18px 18px;
  max-width: 68ch;
}

.faq-body p {
  color: var(--muted);
  font-size: 15px;
  margin: 0 0 12px;
}

.faq-body p:last-child { margin-bottom: 0; }

.faq-body a {
  color: var(--text);
  text-decoration-color: var(--border-strong);
  text-underline-offset: 3px;
}
.faq-body a:hover { text-decoration-color: var(--accent); }

.faq-body em {
  color: var(--text);
  font-style: normal;
  font-weight: 600;
}

@media (max-width: 700px) {
  .faq-item summary { padding: 14px 16px; }
  .faq-body { padding: 0 16px 16px; }
}

/* ============================================================
   Team — advisors subsection
   ============================================================ */

.group-title {
  font-family: "Sora", sans-serif;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.3px;
  margin: 52px 0 6px;
}
.group-lead {
  color: var(--muted);
  font-size: 14px;
  margin: 0 0 4px;
  max-width: 60ch;
}

.person.sm { padding: 18px; }
.person.sm .person-avatar {
  width: 40px;
  height: 40px;
  font-size: 15px;
  margin-bottom: 12px;
}

/* ============================================================
   CTA band
   ============================================================ */

.cta-band {
  margin: clamp(48px, 8vh, 84px) 0 0;
  padding: clamp(32px, 5vw, 48px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.cta-band h2 {
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 800;
  letter-spacing: -0.6px;
  margin: 0 0 6px;
}
.cta-band p { color: var(--muted); font-size: 15px; margin: 0; max-width: 46ch; }

/* ============================================================
   Footer
   ============================================================ */

.site-foot {
  margin-top: clamp(48px, 8vh, 80px);
  border-top: 1px solid var(--border);
  padding: 40px var(--shell-x);
}
.site-foot-inner {
  max-width: var(--measure);
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.site-foot .wordmark { opacity: 0.65; font-size: 18px; }
.site-foot .wordmark .mark { width: 21px; height: 21px; }
.foot-meta { color: var(--faint); font-size: 13px; line-height: 1.5; }
.foot-nav { display: flex; flex-wrap: wrap; gap: 16px; }
.foot-nav a {
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
}
.foot-nav a:hover { color: var(--text); }

/* ============================================================
   Motion — one authored moment (hero rise), everything off
   under reduced-motion.
   ============================================================ */

@keyframes rise-in {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}