:root {
  color-scheme: light dark;
  --accent: #5b3fe6;
  --text: #14112a;
  --muted: #5f5b70;
  --bg: #f5f4fa;
}
@media (prefers-color-scheme: dark) {
  :root {
    --accent: #9f8bff;
    --text: #f2f0fa;
    --muted: #a9a4bd;
    --bg: #05050a;
  }
}
body {
  margin: 0 auto;
  max-width: 40rem;
  padding: 2rem 1.25rem 4rem;
  font: 17px/1.55 -apple-system,
    system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
}
h1 { font-size: 2rem; margin-bottom: 0; }
h2 { font-size: 1.2rem; margin-top: 2rem; }
p.lead { color: var(--muted); }
a { color: var(--accent); }
footer {
  margin-top: 3rem;
  color: var(--muted);
  font-size: 0.9rem;
}