:root {
  --bg: #fafafb;
  --text: #1a1d21;
  --muted: #5c6570;
  --accent: #4f5bd5;
  --rule: #dde0e4;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15181c;
    --text: #e3e6ea;
    --muted: #8b949e;
    --accent: #8a96e8;
    --rule: #2e333a;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main {
  max-width: 46rem;
  margin: 0 auto;
  padding: 2rem 1rem 4rem;
}
h1 { font-size: 1.6rem; line-height: 1.3; margin: 0 0 0.25rem; }
h2 { font-size: 1.2rem; margin: 2rem 0 0.5rem; }
h3 { font-size: 1rem; margin: 1.5rem 0 0.25rem; }
p, li { overflow-wrap: anywhere; }
a { color: var(--accent); }
.meta { color: var(--muted); margin: 0 0 1.5rem; }
.lang { margin: 0 0 1.5rem; }
hr { border: 0; border-top: 3px solid var(--rule); margin: 4rem 0; }
address { font-style: normal; }
footer { color: var(--muted); font-size: 0.9rem; margin-top: 3rem; }