:root {
  --bg: #fafaf8;
  --fg: #1f2328;
  --muted: #59636e;
  --accent: #6b4f9e;
  --rule: #d8dee4;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15171a;
    --fg: #e6e8eb;
    --muted: #9aa4af;
    --accent: #b9a2e6;
    --rule: #30363d;
  }
}
* { 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: 3rem 1rem 4rem; }
h1 { font-size: 1.9rem; margin: 0 0 0.25rem; }
h2 { font-size: 1.15rem; margin: 2rem 0 0.5rem; }
p, li { color: var(--fg); }
.lead { color: var(--muted); margin-top: 0; }
a { color: var(--accent); }
nav { border-bottom: 1px solid var(--rule); padding-bottom: 0.75rem; margin-bottom: 2rem; }
nav a { margin-right: 1rem; text-decoration: none; }
nav a[aria-current="page"] { font-weight: 600; text-decoration: underline; }
footer { border-top: 1px solid var(--rule); margin-top: 3rem; padding-top: 1rem; color: var(--muted); font-size: 0.9rem; }
.brand { display: flex; align-items: center; gap: 1.25rem; margin-bottom: 1.5rem; }
.brand img { width: 96px; height: 96px; border-radius: 22%; flex-shrink: 0; }
.brand h1 { margin: 0; }
@media (max-width: 420px) { .brand img { width: 72px; height: 72px; } }