:root {
  --ink: #1c1e22; --sub: #5c6068; --line: #e3e5e8; --bg: #f6f7f8; --card: #fff; --green: #2bb673; --green-ink: #17784a;
  --amber: #f5a623; --font: "Avenir Next", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font); color: var(--ink); background: var(--card); font-size: 16px; line-height: 1.55; }
a { color: var(--green-ink); }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.top { position: sticky; top: 0; z-index: 5; background: rgba(255,255,255,.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 56px; gap: 16px; }
.mark { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 18px; color: var(--ink); text-decoration: none; }
.mark .dot { width: 12px; height: 12px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px #2bb67326; }
nav { display: flex; gap: 20px; }
nav a { color: var(--sub); text-decoration: none; font-weight: 500; font-size: 14px; white-space: nowrap; }
nav a:hover { color: var(--ink); }
section { padding: 72px 0; }
.band { background: var(--bg); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
h1 { font-size: clamp(32px, 4.4vw, 50px); line-height: 1.08; letter-spacing: -.02em; margin: 10px 0 18px; }
h2 { font-size: clamp(24px, 3vw, 32px); letter-spacing: -.01em; margin: 0 0 10px; }
h3 { font-size: 17px; margin: 0 0 6px; }
.eyebrow { margin: 0; font-size: 13px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--green-ink); }
.lede { font-size: 18px; color: var(--sub); max-width: 34em; }
.intro { color: var(--sub); max-width: 46em; margin: 0 0 28px; }
.hero { padding: 56px 0 72px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 48px; align-items: center; }
.hero-video { margin: 0; }
.hero-video video { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 14px; background: #000; box-shadow: 0 18px 50px -18px #1c1e2266; }
figcaption { font-size: 13px; color: var(--sub); margin-top: 10px; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }
.btn { display: inline-block; padding: 11px 18px; border-radius: 10px; border: 1px solid #c9ccd1; color: var(--ink); text-decoration: none; font-weight: 600; font-size: 15px; background: #fff; }
.btn.primary { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn:hover { border-color: var(--ink); }
.stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px 18px 14px; display: flex; flex-direction: column; }
.stat .big { font-size: 38px; font-weight: 700; letter-spacing: -.02em; line-height: 1.1; font-variant-numeric: tabular-nums; }
.stat .label { font-weight: 600; margin: 4px 0 8px; }
.stat .sub { color: var(--sub); font-size: 14px; flex: 1; }
.src { display: block; margin-top: 10px; font: 11px/1.4 Menlo, ui-monospace, monospace; color: #8a8f97; word-break: break-word; }
.weak { margin-top: 22px; background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--amber); border-radius: 10px; padding: 16px 20px; }
.weak ul { margin: 6px 0 0; padding-left: 18px; color: var(--sub); }
.weak li { margin: 6px 0; }
.weak b { color: var(--ink); }
.weak .src { display: inline; margin: 0 0 0 4px; }
.clips { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 20px; }
.clip { border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: var(--card); display: flex; flex-direction: column; }
.clip video { width: 100%; aspect-ratio: 16 / 9; background: #000; display: block; }
.clip-body { padding: 14px 16px 16px; }
.clip.fail h3 { color: #b42318; }
.said { margin: 4px 0; font-style: italic; }
.gt { margin: 4px 0; font-size: 14px; color: var(--sub); }
.meta { margin: 8px 0 0; font-size: 13px; color: #80858d; }
.explore { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.card { display: block; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 22px; color: var(--ink); text-decoration: none; transition: border-color .15s, transform .15s; }
.card:hover { border-color: var(--ink); transform: translateY(-2px); }
.card p { margin: 0; color: var(--sub); }
.layers { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px 32px; }
.layers li { display: flex; gap: 14px; align-items: baseline; padding: 10px 0; border-bottom: 1px solid var(--line); }
.layers span { font: 600 12px Menlo, ui-monospace, monospace; color: var(--green-ink); background: #e6f6ee; border-radius: 6px; padding: 2px 6px; }
.layers div { color: var(--sub); }
.layers b { color: var(--ink); }
footer { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--sub); font-size: 14px; }
footer .small { font-size: 12px; max-width: 60em; }
@media (max-width: 960px) { .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .stats { grid-template-columns: 1fr; } }
@media (max-width: 860px) {
  .hero-grid, .explore, .layers { grid-template-columns: 1fr; }
  .hero-grid { gap: 28px; }
  section { padding: 52px 0; }
  .wrap { padding: 0 16px; }
  nav { gap: 14px; }
  nav a[href="#results"], nav a[href="#clips"] { display: none; }
  .clips { grid-template-columns: 1fr; }
}