:root {
  --bg: #f7f5ef;
  --text: #1d2420;
  --muted: #5b655f;
  --accent: #8a6a12;
  --rule: #ddd8cb;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f2a1d;
    --text: #eef1ec;
    --muted: #a9b7ad;
    --accent: #e3c15a;
    --rule: #2c4a3a;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 720px; margin: 0 auto; padding: 32px 16px 64px; }
h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 4px; }
h2 { font-size: 1.2rem; margin: 2em 0 0.4em; padding-top: 0.6em; border-top: 1px solid var(--rule); }
a { color: var(--accent); }
code { font-size: 0.9em; }
ul { padding-left: 1.3em; }
li { margin: 0.3em 0; }
.updated, .back, .muted { color: var(--muted); }
.updated { margin-top: 0; }
.hero { text-align: center; padding-top: 12vh; }
.hero h1 { font-size: 4.5rem; font-weight: 900; color: var(--accent); margin-bottom: 0; }
.hero p { font-size: 1.15rem; }