:root {
  --ink: #edf2ff;
  --muted: #9aa8c7;
  --faint: #687797;
  --surface: #10182b;
  --surface-2: #151f35;
  --line: rgba(157, 176, 216, .16);
  --accent: #8ee8c2;
  --accent-2: #86a8ff;
  --bg: #080e1b;
  --radius: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 85% 4%, rgba(72, 112, 196, .18), transparent 30rem),
    radial-gradient(circle at 12% 18%, rgba(46, 157, 122, .12), transparent 27rem),
    var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

a { color: inherit; }
button, input { font: inherit; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 99; background: var(--accent); color: #07130f; padding: .7rem 1rem; border-radius: 8px; }
.skip-link:focus { top: 1rem; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.site-header {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  height: 82px;
  display: flex;
  align-items: center;
  gap: 34px;
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 760; letter-spacing: -.02em; }
.brand-mark { display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid rgba(142,232,194,.45); border-radius: 9px; color: var(--accent); font-size: 11px; letter-spacing: .08em; background: rgba(142,232,194,.07); }
.site-header nav { display: flex; gap: 24px; margin-left: auto; }
.site-header nav a { color: var(--muted); text-decoration: none; font-size: 14px; }
.site-header nav a:hover { color: var(--ink); }
.header-link { margin-left: 12px; padding: 9px 13px; border: 1px solid var(--line); border-radius: 9px; text-decoration: none; font-size: 13px; color: #cfdaef; }

main, footer { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.hero { min-height: 640px; padding: 92px 0 88px; display: grid; grid-template-columns: 1.25fr .75fr; gap: 80px; align-items: center; }
.eyebrow { margin: 0 0 18px; color: var(--accent); font-size: 12px; font-weight: 750; text-transform: uppercase; letter-spacing: .14em; display: flex; align-items: center; gap: 9px; }
.eyebrow span { width: 20px; height: 1px; background: currentColor; }
h1, h2, h3 { margin-top: 0; }
h1 { margin-bottom: 26px; font-size: clamp(3rem, 6.2vw, 5.65rem); line-height: .98; letter-spacing: -.065em; font-weight: 760; }
h1 em { font-family: Georgia, "Times New Roman", serif; color: var(--accent); font-weight: 400; }
.hero-text { max-width: 690px; margin: 0; color: var(--muted); font-size: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; padding: 12px 17px; border-radius: 10px; text-decoration: none; font-size: 14px; font-weight: 700; }
.button-primary { background: var(--accent); color: #07130f; }
.button-secondary { border: 1px solid var(--line); color: #d4ddf0; background: rgba(255,255,255,.02); }
.signal-card { border: 1px solid var(--line); background: linear-gradient(150deg, rgba(25,38,65,.95), rgba(12,19,34,.95)); border-radius: 22px; padding: 22px; box-shadow: 0 28px 80px rgba(0,0,0,.28); }
.signal-top { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.signal-top time { margin-left: auto; color: var(--faint); }
.live-dot { width: 7px; height: 7px; background: var(--accent); border-radius: 50%; box-shadow: 0 0 0 5px rgba(142,232,194,.09); }
.signal-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); margin: 24px 0; }
.signal-grid div { background: #111a2d; padding: 18px; display: flex; flex-direction: column; }
.signal-grid strong { font-size: 26px; letter-spacing: -.04em; }
.signal-grid span { color: var(--faint); font-size: 12px; }
.pulse-chart { height: 92px; display: flex; align-items: end; gap: 7px; border-bottom: 1px solid rgba(142,232,194,.25); }
.pulse-chart i { flex: 1; height: var(--h); background: linear-gradient(to top, rgba(134,168,255,.25), rgba(142,232,194,.9)); border-radius: 3px 3px 0 0; }
.signal-card > p { margin: 18px 0 0; color: var(--faint); font-size: 12px; }

.directory { padding: 88px 0 96px; border-top: 1px solid var(--line); }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 40px; margin-bottom: 34px; }
.section-heading h2, .guide h2, .about h2 { margin-bottom: 0; font-size: clamp(2.2rem, 4.4vw, 4rem); line-height: 1.03; letter-spacing: -.05em; }
.section-heading > p { max-width: 430px; margin: 0; color: var(--muted); }
.toolbar { display: flex; gap: 18px; justify-content: space-between; align-items: center; padding: 18px 0 24px; border-top: 1px solid var(--line); }
.search-box { flex: 0 1 420px; height: 44px; display: flex; align-items: center; gap: 9px; padding: 0 12px; border: 1px solid var(--line); background: rgba(255,255,255,.025); border-radius: 10px; color: var(--faint); }
.search-box:focus-within { border-color: rgba(142,232,194,.55); }
.search-box input { width: 100%; border: 0; outline: 0; color: var(--ink); background: transparent; }
.search-box input::placeholder { color: #647291; }
kbd { border: 1px solid var(--line); border-radius: 5px; padding: 1px 6px; font-size: 11px; color: var(--faint); }
.filters { display: flex; flex-wrap: wrap; justify-content: end; gap: 7px; }
.filter { border: 1px solid transparent; border-radius: 999px; padding: 7px 11px; background: transparent; color: var(--muted); cursor: pointer; font-size: 13px; }
.filter:hover, .filter.active { color: var(--ink); border-color: var(--line); background: rgba(255,255,255,.04); }
.model-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.model-card { min-height: 298px; display: flex; flex-direction: column; padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(16,24,43,.76); transition: transform .2s ease, border-color .2s ease, background .2s ease; }
.model-card:hover { transform: translateY(-3px); border-color: rgba(142,232,194,.32); background: var(--surface-2); }
.model-card[hidden] { display: none; }
.model-card.featured { background: linear-gradient(145deg, rgba(27,57,61,.72), rgba(17,27,47,.92)); }
.card-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.task-badge { padding: 5px 8px; border-radius: 6px; font-size: 10px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; background: rgba(134,168,255,.1); color: #a9c0ff; }
.task-badge.image { color: #e4a9ff; background: rgba(205,110,245,.1); }
.task-badge.audio { color: #ffba9c; background: rgba(255,140,91,.1); }
.task-badge.embedding { color: #8ee8c2; background: rgba(142,232,194,.1); }
.task-badge.vision { color: #ffd67c; background: rgba(255,204,92,.1); }
.publisher { color: var(--faint); font-size: 11px; text-align: right; }
.model-card h3 { margin: 27px 0 10px; font-size: 21px; letter-spacing: -.025em; }
.model-card p { margin: 0 0 20px; color: var(--muted); font-size: 14px; }
.tags { display: flex; flex-wrap: wrap; gap: 5px; margin-top: auto; padding-bottom: 20px; }
.tags span { padding: 4px 7px; border: 1px solid var(--line); border-radius: 5px; color: var(--faint); font-size: 10px; }
.model-card > a { display: flex; justify-content: space-between; padding-top: 14px; border-top: 1px solid var(--line); color: #dbe5f8; text-decoration: none; font-size: 13px; font-weight: 700; }
.model-card > a span { color: var(--accent); }
.empty-state { padding: 70px 20px; text-align: center; border: 1px dashed var(--line); border-radius: var(--radius); }
.empty-state p { color: var(--muted); }

.guide { padding: 100px 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: .8fr 1.2fr; gap: 100px; }
.guide-intro > p:last-child { margin-top: 26px; color: var(--muted); max-width: 480px; }
.guide-list { margin: 0; padding: 0; list-style: none; }
.guide-list li { display: grid; grid-template-columns: 54px 1fr; gap: 18px; padding: 24px 0; border-top: 1px solid var(--line); }
.guide-list li:last-child { border-bottom: 1px solid var(--line); }
.guide-list li > span { color: var(--accent); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }
.guide-list h3 { margin-bottom: 6px; font-size: 18px; }
.guide-list p { margin: 0; color: var(--muted); font-size: 14px; }

.about { display: grid; grid-template-columns: .8fr 1.2fr; gap: 100px; padding: 90px 0; border-top: 1px solid var(--line); }
.about-copy { columns: 2; column-gap: 30px; color: var(--muted); }
.about-copy p { margin-top: 0; break-inside: avoid; }
footer { min-height: 120px; display: flex; align-items: center; gap: 26px; border-top: 1px solid var(--line); color: var(--faint); font-size: 12px; }
footer p { margin-right: auto; }
footer > a { text-decoration: none; }

@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; gap: 42px; }
  .signal-card { max-width: 620px; }
  .model-grid { grid-template-columns: repeat(2, 1fr); }
  .guide, .about { grid-template-columns: 1fr; gap: 48px; }
}

@media (max-width: 720px) {
  .site-header { width: min(100% - 28px, 1180px); }
  .site-header nav, .header-link { display: none; }
  main, footer { width: min(100% - 28px, 1180px); }
  .hero { min-height: auto; padding: 70px 0; }
  h1 { font-size: clamp(2.8rem, 15vw, 4.5rem); }
  .section-heading { align-items: start; flex-direction: column; }
  .toolbar { align-items: stretch; flex-direction: column; }
  .search-box { flex-basis: 44px; }
  .filters { justify-content: start; }
  .model-grid { grid-template-columns: 1fr; }
  .model-card { min-height: 270px; }
  .about-copy { columns: 1; }
  footer { padding: 30px 0; align-items: flex-start; flex-direction: column; gap: 12px; }
  footer p { margin: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}