:root {
  --bg: #fbf9f5;
  --surface: #efe8dc;
  --text: #14213d;
  --muted: #4a5468;
  --accent: #8a6c12;
  --line: #ddd4c4;
  --max: 720px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1a31;
    --surface: #18264a;
    --text: #efe8dc;
    --muted: #b9b3a8;
    --accent: #d8b443;
    --line: #2a3a62;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
}
a { color: var(--accent); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 16px; }
header.site { padding: 24px 0 8px; }
header.site a { display: inline-block; }
header.site img { height: 40px; width: auto; display: block; }
.logo-dark { display: none !important; }
@media (prefers-color-scheme: dark) {
  .logo-light { display: none !important; }
  .logo-dark { display: block !important; }
}
main { padding: 24px 0 48px; }
h1 { font-size: 2rem; line-height: 1.2; font-weight: 600; margin: 0.5rem 0 0.75rem; }
h2 { font-size: 1.25rem; font-weight: 600; margin: 2.25rem 0 0.5rem; }
p.lead { font-size: 1.15rem; color: var(--muted); margin-top: 0; }
ul { padding-left: 1.2rem; }
li { margin: 0.35rem 0; }
.card {
  background: var(--surface);
  border-radius: 14px;
  padding: 20px;
  margin: 24px 0;
}
.card h2 { margin-top: 0; }
.note { color: var(--muted); font-size: 0.95rem; }
footer.site {
  border-top: 1px solid var(--line);
  padding: 20px 0 32px;
  color: var(--muted);
  font-size: 0.9rem;
}
footer.site a { color: var(--muted); }
footer.site nav a { margin-right: 16px; }