:root {
  --bg: #fbfaf7;
  --fg: #1d2421;
  --muted: #5b6661;
  --accent: #2f6b55;
  --rule: #dfe3df;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141816;
    --fg: #e6ebe8;
    --muted: #9aa6a0;
    --accent: #7cc4a5;
    --rule: #2a312d;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif;
}
main { max-width: 680px; margin: 0 auto; padding: 48px 16px 64px; }
header { border-bottom: 1px solid var(--rule); margin-bottom: 32px; padding-bottom: 16px; }
.site { color: var(--muted); font-size: 14px; text-decoration: none; }
h1 { font-size: 30px; line-height: 1.2; margin: 8px 0 0; }
h2 { font-size: 20px; margin-top: 36px; }
a { color: var(--accent); }
.muted { color: var(--muted); font-size: 14px; }
footer { border-top: 1px solid var(--rule); margin-top: 48px; padding-top: 16px; font-size: 14px; }
footer a { margin-right: 16px; }