:root {
  --bg: #0e1116;
  --panel: #161b22;
  --line: #232a33;
  --fg: #e6edf3;
  --muted: #8b949e;
  --accent: #58a6ff;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.site-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; padding: 20px 32px;
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--fg); font-weight: 650; letter-spacing: .2px;
}
.brand:hover { text-decoration: none; }
.site-head nav { display: flex; gap: 22px; font-size: 15px; }
.site-head nav a { color: var(--muted); }
.site-head nav a:hover { color: var(--fg); }

main { max-width: 880px; margin: 0 auto; padding: 56px 32px 40px; }

.hero h1 { font-size: 34px; line-height: 1.25; margin: 0 0 18px; letter-spacing: -.4px; }
.hero p { color: var(--muted); margin: 0 0 14px; max-width: 62ch; }
.stats { display: flex; gap: 28px; flex-wrap: wrap; margin-top: 26px !important; }
.stats span { color: var(--muted); font-size: 14px; }
.stats strong { color: var(--fg); font-size: 19px; display: block; font-weight: 600; }

.grid {
  display: grid; gap: 16px; margin: 44px 0;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.grid article {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 10px; padding: 20px 22px;
}
.grid h2 { font-size: 16px; margin: 0 0 8px; font-weight: 620; }
.grid p { margin: 0; color: var(--muted); font-size: 14.5px; }

.notes { border-top: 1px solid var(--line); padding-top: 28px; }
.notes h2 { font-size: 17px; margin: 0 0 12px; }
.notes p { color: var(--muted); font-size: 14.5px; margin: 0 0 12px; max-width: 70ch; }

footer {
  max-width: 880px; margin: 0 auto; padding: 26px 32px 56px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  color: var(--muted); font-size: 13.5px;
  border-top: 1px solid var(--line);
}
@media (max-width: 600px) {
  main { padding: 36px 20px 28px; }
  .hero h1 { font-size: 27px; }
  .site-head { padding: 16px 20px; }
  footer { padding: 22px 20px 44px; }
}