:root {
  --bg: #0b0b0c;
  --surface: #141416;
  --surface-2: #1c1c1f;
  --fg: #eeeff2;
  --muted: #8b8d94;
  --faint: #5c5e66;
  --accent: #c5c8d0;
  --border: #2a2a2e;
  --font-sans: "Outfit", ui-sans-serif, system-ui, sans-serif;
  --font-display: "Instrument Serif", ui-serif, Georgia, serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); color: var(--fg); }
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--fg);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}
a { color: var(--fg); }
button { font-family: inherit; }
.font-display { font-family: var(--font-display); font-weight: 400; }

.wrap { max-width: 72rem; margin: 0 auto; padding: 0 1.25rem; }
@media (min-width: 640px) { .wrap { padding: 0 2rem; } }

header {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in oklab, var(--bg) 80%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 3.5rem; gap: 0.75rem;
}
.brand {
  display: flex; align-items: center; gap: 0.6rem;
  color: var(--fg); text-decoration: none;
  font-family: var(--font-display); font-size: 1.1rem;
}
.mark {
  width: 1.5rem; height: 1.5rem; border-radius: 4px;
  box-shadow: 0 0 0 1px var(--border);
  display: grid; place-items: center;
}
.nav-links { display: flex; align-items: center; gap: 0.15rem; flex-wrap: wrap; justify-content: flex-end; }
.nav-links a {
  color: var(--muted); text-decoration: none;
  padding: 0.5rem 0.55rem; font-size: 0.8rem; border-radius: 8px;
}
.nav-links a:hover { color: var(--fg); }
.nav-links a.chat {
  color: var(--bg); background: var(--accent); font-weight: 500;
  min-height: 2.5rem; display: inline-flex; align-items: center;
}
.rule { height: 1px; background: var(--border); }

section { border-top: 1px solid var(--border); padding: 4.5rem 0; }
.kicker {
  font-size: 11px; font-weight: 500; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--muted); margin: 0;
}
h1, h2, h3 { font-family: var(--font-display); font-weight: 400; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.5rem, 8vw, 4.25rem); line-height: 1.05; margin: 0; }
h2 { font-size: clamp(1.75rem, 5vw, 3rem); line-height: 1.15; margin: 0.75rem 0 0; max-width: 36rem; }
h3 { font-size: 1.35rem; margin: 0; }
.lede { max-width: 28rem; color: var(--muted); font-size: 1.05rem; margin-top: 1.5rem; }
.lede a, .prose a, footer a { text-underline-offset: 4px; text-decoration-color: var(--border); }
.lede a:hover, .prose a:hover { text-decoration-color: var(--fg); }
.prose { max-width: 36rem; color: var(--muted); margin-top: 1.25rem; }

.hero { border-top: none; padding-top: 3rem; padding-bottom: 4rem; }
.hero-grid {
  display: grid; gap: 2.5rem;
}
@media (min-width: 1024px) {
  .hero-grid { grid-template-columns: 1.05fr 0.95fr; align-items: end; }
}

.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
  min-height: 2.75rem; padding: 0.55rem 1.15rem; border-radius: 10px;
  text-decoration: none; font-size: 0.95rem; font-weight: 500;
}
.btn-solid { background: var(--accent); color: var(--bg); }
.btn-outline { color: var(--fg); box-shadow: 0 0 0 1px var(--border); }

.stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1rem; margin-top: 3rem; padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.stats dt { font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--faint); }
.stats dd { margin: 0.25rem 0 0; font-family: var(--font-display); font-size: 1.75rem; }

.card {
  background: var(--surface); border-radius: 1rem;
  box-shadow: 0 0 0 1px var(--border); padding: 1.25rem;
}
@media (min-width: 640px) { .card { padding: 1.5rem; } }

.intel-row {
  display: grid; grid-template-columns: 1fr auto; gap: 0.35rem 0.75rem;
  align-items: baseline; padding: 0.45rem 0.5rem; border-radius: 10px;
  text-decoration: none; color: inherit;
}
.intel-row:hover { background: var(--surface-2); }
.intel-row.hl { background: var(--surface-2); }
.intel-row small { color: var(--muted); font-size: 0.75rem; }
.intel-row .score { font-family: var(--font-display); font-size: 1.5rem; }

.grid-3 { display: grid; gap: 1rem; margin-top: 3rem; }
@media (min-width: 640px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }
.stat-num { font-family: var(--font-display); font-size: 3rem; margin: 0.75rem 0 0; }

.year-block { margin-top: 1.5rem; }
.year-block:first-of-type { margin-top: 0; }
.bar-meta { display: flex; justify-content: space-between; gap: 0.75rem; font-size: 0.8rem; }
.bar-meta span:last-child { color: var(--muted); font-variant-numeric: tabular-nums; }
.track { height: 8px; background: var(--surface-2); border-radius: 999px; overflow: hidden; margin-top: 0.3rem; }
.fill { height: 100%; border-radius: 999px; background: var(--accent); }
.fill.dim { background: var(--faint); }

.intel-list { list-style: none; padding: 0; margin: 1.5rem 0 0; }
.intel-item a {
  display: grid; grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas: "name score" "bar bar";
  gap: 0.35rem 0.75rem; align-items: center;
  padding: 0.65rem 0.75rem; border-radius: 12px; text-decoration: none; color: inherit;
}
@media (min-width: 640px) {
  .intel-item a {
    grid-template-columns: 14rem 1fr auto;
    grid-template-areas: "name bar score";
  }
}
.intel-item a.hl { background: var(--surface); box-shadow: 0 0 0 1px var(--border); }
.area-name { grid-area: name; }
.area-bar { grid-area: bar; }
.area-score { grid-area: score; font-family: var(--font-display); font-size: 1.5rem; }

.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.75rem; }
.chip {
  min-height: 2.75rem; padding: 0.4rem 0.8rem; border-radius: 10px;
  background: var(--surface); color: var(--muted); border: 0;
  box-shadow: 0 0 0 1px var(--border); text-align: left; cursor: pointer;
}
.chip.on { background: var(--accent); color: var(--bg); box-shadow: none; }
.chip small { display: block; font-size: 0.7rem; opacity: 0.7; }

.lab { display: grid; gap: 2rem; margin-top: 2.5rem; }
@media (min-width: 1024px) { .lab { grid-template-columns: 1fr 20rem; } }
fieldset { border: 0; padding: 0; margin: 0 0 1.75rem; }
legend { font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--faint); }

.dl { margin: 1.5rem 0 0; }
.dl div { display: flex; justify-content: space-between; gap: 0.75rem; font-size: 0.9rem; padding: 0.35rem 0; }
.dl dt { color: var(--muted); }
.dl dd { margin: 0; font-variant-numeric: tabular-nums; }
.dl .rule-row { border-top: 1px solid var(--border); padding-top: 0.75rem; margin-top: 0.4rem; }

.arch { display: grid; gap: 1rem; margin-top: 3rem; }
@media (min-width: 640px) { .arch { grid-template-columns: 1fr 1fr; } }
.host { display: grid; gap: 1rem; margin-top: 3rem; }
@media (min-width: 1024px) { .host { grid-template-columns: repeat(3, 1fr); } }
.host a { color: var(--fg); }

footer { border-top: 1px solid var(--border); padding: 2.5rem 0; }
.foot {
  display: flex; flex-direction: column; gap: 0.75rem;
}
@media (min-width: 640px) {
  .foot { flex-direction: row; align-items: center; justify-content: space-between; }
}
.foot p { margin: 0; color: var(--muted); font-size: 0.9rem; max-width: 28rem; }

.note { font-size: 0.75rem; color: var(--faint); margin-top: 1rem; }
.hint { font-size: 0.75rem; color: var(--faint); margin: 0.5rem 0 0; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}