:root {
  color-scheme: dark;
  --bg: #07080d;
  --panel: #10131d;
  --panel-2: #171b29;
  --text: #f4f7fb;
  --muted: #aeb7c7;
  --line: rgba(255,255,255,0.12);
  --accent: #8df7ff;
  --accent-2: #b18cff;
  --hot: #ffdf6e;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 20% 0%, rgba(141,247,255,0.18), transparent 30rem),
    radial-gradient(circle at 90% 10%, rgba(177,140,255,0.16), transparent 34rem),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem clamp(1rem, 4vw, 4rem);
  background: rgba(7, 8, 13, 0.78);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}
.brand {
  color: var(--text);
  font-weight: 800;
  letter-spacing: -0.04em;
  font-size: 1.35rem;
}
nav { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }
nav a { color: var(--muted); font-size: 0.95rem; }
nav a.repo { color: var(--text); border: 1px solid var(--line); padding: .45rem .75rem; border-radius: 999px; }

main { width: min(1180px, calc(100% - 2rem)); margin: 0 auto; }
.hero { padding: 7rem 0 4rem; }
.eyebrow { color: var(--accent); text-transform: uppercase; letter-spacing: .18em; font-weight: 800; font-size: .78rem; }
h1, h2, h3 { line-height: 1.05; letter-spacing: -0.055em; }
h1 { font-size: clamp(3rem, 8vw, 7.5rem); max-width: 11ch; margin: .25rem 0 1.25rem; }
h2 { font-size: clamp(2rem, 4vw, 4rem); margin: 3rem 0 1rem; }
h3 { font-size: 1.45rem; margin: 0 0 .75rem; }
.lede { font-size: clamp(1.2rem, 2vw, 1.65rem); max-width: 860px; color: var(--muted); }
.lede.small { font-size: 1.2rem; }

.cta-row { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 2rem; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.8rem;
  padding: .75rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255,255,255,0.04);
  font-weight: 700;
}
.button.primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #05060a; border: 0; }

.strip, .callout, .dark-panel, .card, .post-card {
  border: 1px solid var(--line);
  background: rgba(16,19,29,0.78);
  border-radius: 1.5rem;
  box-shadow: 0 20px 80px rgba(0,0,0,0.22);
}
.strip { padding: 1rem 1.25rem; color: var(--muted); }
.strip strong { color: var(--text); }
.grid { display: grid; gap: 1rem; margin: 1.5rem 0 3rem; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card { padding: 1.35rem; }
.card p { color: var(--muted); margin-bottom: 0; }

.feature-list { display: grid; gap: .75rem; margin: 1.5rem 0 3rem; }
.feature-list div { display: grid; grid-template-columns: 220px 1fr; gap: 1rem; padding: 1rem; border-bottom: 1px solid var(--line); }
.feature-list span { color: var(--muted); }
.dark-panel { padding: 1.5rem; margin: 2rem 0; background: #05060a; }
pre { overflow: auto; padding: 1.2rem; background: rgba(255,255,255,0.05); border-radius: 1rem; color: var(--hot); }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; }
.callout { padding: 2rem; margin: 3rem 0; }

.page { padding: 4rem 0 6rem; max-width: 900px; }
.page h1 { max-width: 14ch; }
.page p, .page li { color: var(--muted); }
.page strong { color: var(--text); }
.page table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; }
.page th, .page td { border: 1px solid var(--line); padding: .75rem; vertical-align: top; }
.page th { color: var(--text); text-align: left; background: rgba(255,255,255,0.05); }
.post-list { display: grid; gap: 1rem; margin-top: 2rem; }
.post-card { display: block; padding: 1.25rem; color: var(--text); }
.post-card span { display: block; color: var(--accent); font-size: .85rem; margin-bottom: .25rem; }
.post-card p { margin-bottom: 0; }

.site-footer { border-top: 1px solid var(--line); padding: 2rem clamp(1rem, 4vw, 4rem); color: var(--muted); margin-top: 4rem; }
.site-footer p { margin: .25rem 0; }

@media (max-width: 760px) {
  .site-header { align-items: flex-start; flex-direction: column; gap: .75rem; }
  .grid.two, .grid.three { grid-template-columns: 1fr; }
  .feature-list div { grid-template-columns: 1fr; }
  .hero { padding-top: 4rem; }
}