:root {
  --bg: #fbfaf7;
  --fg: #1c1f1d;
  --muted: #5b625e;
  --line: #e2e0da;
  --accent: #1f6b4a;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #131614; --fg: #e7ebe8; --muted: #a3aca6; --line: #2a302c; --accent: #7cc9a2; color-scheme: dark; }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 42rem; margin: 0 auto; padding-inline: 20px; padding-block: 48px 64px; }
h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 .25rem; text-wrap: balance; }
h2 { font-size: 1.15rem; margin: 2rem 0 .5rem; }
p, ul { margin: 0 0 1rem; }
ul { padding-left: 1.25rem; }
li { margin-bottom: .35rem; }
a { color: var(--accent); }
.meta { color: var(--muted); font-size: .95rem; margin-bottom: 1.5rem; }
.lead { font-size: 1.1rem; border-left: 3px solid var(--accent); padding-left: 1rem; }
footer { border-top: 1px solid var(--line); margin-top: 3rem; padding-top: 1rem; color: var(--muted); font-size: .9rem; }