:root {
  --bg: #f7f7f5;
  --surface: #ffffff;
  --text: #1d1f21;
  --muted: #5f6368;
  --line: #e2e2de;
  --accent: #1f6f43;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161718;
    --surface: #1f2022;
    --text: #e8e8e6;
    --muted: #a3a6aa;
    --line: #34363a;
    --accent: #6cc28f;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
main {
  max-width: 44rem;
  margin: 3rem auto;
  padding: 2rem 1.5rem 2.5rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
}
@media (max-width: 48rem) {
  main { margin: 0; border: 0; border-radius: 0; padding: 1.5rem 1rem 2rem; }
}
.eyebrow {
  margin: 0 0 .25rem;
  color: var(--muted);
  font-size: .85rem;
  letter-spacing: .02em;
}
h1 { margin: 0 0 1rem; font-size: 1.75rem; line-height: 1.25; }
h2 { margin: 2rem 0 .5rem; font-size: 1.15rem; }
p, li { color: var(--text); }
ul { padding-left: 1.25rem; }
a { color: var(--accent); }
.updated { color: var(--muted); font-size: .9rem; }
footer {
  margin-top: 2.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .9rem;
}
footer a { margin-right: 1rem; }