:root {
  color-scheme: light dark;
  --bg: #f4f1ec;
  --fg: #1c1917;
  --muted: #57534e;
  --line: #d6d3d1;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1917;
    --fg: #e7e5e4;
    --muted: #a8a29e;
    --line: #44403c;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font: 18px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--fg);
}
main {
  max-width: 40rem;
  margin: 0 auto;
  padding: 3rem 1.25rem 4rem;
}
h1 { font-size: 2rem; font-weight: 650; letter-spacing: -0.02em; margin: 0 0 1rem; }
p, li { color: var(--fg); }
p { margin: 0 0 1rem; }
ul { padding-left: 1.2rem; }
li { margin: 0 0 0.5rem; }
a { color: inherit; }
nav { display: flex; gap: 1.25rem; margin-top: 2rem; padding-top: 1.25rem; border-top: 1px solid var(--line); }
.mark { margin: 0 0 1.25rem; }
.muted { color: var(--muted); }