:root {
  --text: #1d1d1f;
  --muted: #5f6368;
  --line: #e3e3e6;
  --accent: #c2410c;
  --bg: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --text: #ececf0;
    --muted: #a5a7ad;
    --line: #34353a;
    --accent: #fb923c;
    --bg: #141416;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
main { max-width: 760px; margin: 0 auto; padding: 32px 16px 64px; }
header { border-bottom: 1px solid var(--line); margin-bottom: 24px; }
header nav { display: flex; flex-wrap: wrap; gap: 16px; padding: 16px; max-width: 760px; margin: 0 auto; }
header a { color: var(--text); text-decoration: none; font-weight: 600; }
header a.brand { margin-right: auto; color: var(--accent); }
h1 { font-size: 1.9rem; line-height: 1.25; margin: 0 0 8px; }
h2 { font-size: 1.2rem; margin: 32px 0 8px; }
p, li { color: var(--text); }
.muted { color: var(--muted); font-size: 0.92rem; }
a { color: var(--accent); }
footer { border-top: 1px solid var(--line); margin-top: 48px; padding-top: 16px; }