/* evrai demo pages. Shares the homepage's tokens (index.html keeps its own inline copy). */
:root {
  --page-bg: #f3f7f6;
  --surface: rgba(255, 255, 255, 0.78);
  --surface-strong: rgba(255, 255, 255, 0.9);
  --surface-dark: rgba(15, 23, 42, 0.74);
  --ink: #102033;
  --muted: #5a6b78;
  --line: rgba(16, 32, 51, 0.1);
  --teal: #0f9b8e;
  --teal-deep: #0a6c67;
  --navy: #0f172a;
  --card-shadow: 0 24px 60px rgba(15, 23, 42, 0.12);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Manrope", -apple-system, BlinkMacSystemFont, sans-serif;
  background:
    radial-gradient(1100px 520px at 85% -10%, rgba(15, 155, 142, 0.14), transparent 60%),
    radial-gradient(900px 480px at -10% 20%, rgba(15, 23, 42, 0.08), transparent 55%),
    var(--page-bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
a { color: var(--teal-deep); }

header { display: flex; align-items: center; justify-content: space-between; padding: 28px 0; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); }
.brand img { width: 36px; height: 36px; border-radius: 9px; }
.brand .name { font-weight: 800; font-size: 1.15rem; letter-spacing: -0.01em; }
.brand .name em { font-style: normal; color: var(--teal-deep); }
.brand .kicker { display: block; font-size: 0.68rem; font-weight: 600; color: var(--muted); letter-spacing: 0.14em; text-transform: uppercase; }
nav a { color: var(--muted); text-decoration: none; font-weight: 600; font-size: 0.9rem; margin-left: 22px; }
nav a:hover, nav a[aria-current="page"] { color: var(--teal-deep); }

.crumbs { font-size: 0.82rem; color: var(--muted); margin-top: 8px; }
.crumbs a { color: var(--muted); }
.watch-head { padding: 28px 0 26px; max-width: 780px; }
.eyebrow {
  display: inline-block; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--teal-deep);
  background: rgba(15, 155, 142, 0.1); border: 1px solid rgba(15, 155, 142, 0.25);
  padding: 6px 12px; border-radius: 999px; margin-bottom: 18px;
}
h1 { font-size: clamp(1.9rem, 4.4vw, 2.8rem); line-height: 1.14; letter-spacing: -0.02em; font-weight: 800; }
.lede { margin-top: 16px; font-size: 1.06rem; color: var(--muted); }

.player { margin-top: 6px; }
.player video {
  display: block; width: 100%; height: auto; background: var(--navy);
  border-radius: 18px; box-shadow: var(--card-shadow); border: 1px solid var(--line);
}
.player .meta { margin-top: 10px; font-size: 0.85rem; color: var(--muted); }

.disclosure {
  margin: 22px 0 8px; padding: 16px 20px; border-radius: 14px;
  background: rgba(15, 155, 142, 0.08); border: 1px solid rgba(15, 155, 142, 0.25);
  font-size: 0.9rem; color: var(--ink);
}
.disclosure p + p { margin-top: 6px; }

.card {
  background: var(--surface-strong); border: 1px solid var(--line); border-radius: 18px;
  padding: 24px; box-shadow: var(--card-shadow);
}
.card h2, .more-head { font-size: 1.15rem; font-weight: 800; letter-spacing: -0.01em; margin-bottom: 12px; }
.watch-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 18px; margin-top: 26px; }
.points { padding-left: 1.1rem; color: var(--muted); font-size: 0.93rem; }
.points li + li { margin-top: 6px; }
.chapters { list-style: none; font-size: 0.93rem; }
.chapters li + li { margin-top: 4px; }
.chapters a { text-decoration: none; color: var(--ink); display: flex; gap: 10px; padding: 3px 0; }
.chapters a:hover { color: var(--teal-deep); }
.ts { font-variant-numeric: tabular-nums; color: var(--teal-deep); font-weight: 700; min-width: 2.6rem; text-decoration: none; }

.transcript { margin-top: 18px; }
.transcript p { font-size: 0.95rem; color: var(--ink); }
.transcript p + p { margin-top: 10px; }
.transcript .ts { margin-right: 8px; }

.contact {
  background: var(--surface-dark); border-radius: 24px; color: #e6edf5;
  padding: 40px 36px; margin: 34px 0;
}
.contact h2 { font-size: 1.45rem; font-weight: 800; letter-spacing: -0.015em; }
.contact p { margin-top: 8px; color: rgba(230, 237, 245, 0.75); max-width: 560px; }
.btn {
  display: inline-block; text-decoration: none; font-weight: 700; font-size: 0.95rem;
  padding: 13px 22px; border-radius: 12px; margin-top: 20px; transition: transform 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: linear-gradient(135deg, var(--teal), var(--teal-deep)); color: #fff; box-shadow: 0 12px 30px rgba(15, 155, 142, 0.35); }

.related-grid, .demo-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; }
.related, .demo-card {
  display: flex; flex-direction: column; gap: 6px; text-decoration: none; color: var(--ink);
  background: var(--surface-strong); border: 1px solid var(--line); border-radius: 18px;
  padding: 20px; box-shadow: var(--card-shadow); transition: transform 0.15s ease;
}
.related:hover, .demo-card:hover { transform: translateY(-2px); }
.related span:last-child, .demo-card .blurb { font-size: 0.9rem; color: var(--muted); }
.tag { font-size: 0.68rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--teal-deep); }
.demo-card { padding: 0; overflow: hidden; }
.demo-card img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; background: var(--navy); }
.demo-card .body { display: flex; flex-direction: column; gap: 6px; padding: 18px 20px 20px; }
.demo-card strong { font-size: 1.08rem; }
.demo-card .watch { margin-top: 4px; font-size: 0.85rem; font-weight: 700; color: var(--teal-deep); }

footer { padding: 40px 0 48px; color: var(--muted); font-size: 0.85rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
footer a { color: var(--muted); }

@media (max-width: 640px) {
  .wrap { padding: 0 16px; }
  nav a { margin-left: 14px; font-size: 0.84rem; }
  nav a:first-child, nav a:nth-child(3) { display: none; }
  .contact { padding: 30px 22px; }
  .player video { border-radius: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .related, .demo-card { transition: none; }
}