:root {
  --bg: #fbf8f3;
  --text: #2a2622;
  --muted: #6f665d;
  --accent: #a4462f;
  --rule: #e4ddd2;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1a18;
    --text: #ece6dd;
    --muted: #a69c90;
    --accent: #e08a6e;
    --rule: #38332e;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Arial, sans-serif;
}

main {
  max-width: 40rem;
  margin: 0 auto;
  padding: 3rem 1rem 4rem;
}

h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 0.5rem; }
h2 { font-size: 1.2rem; margin: 2rem 0 0.5rem; }
p, ul { margin: 0 0 1rem; }
li { margin-bottom: 0.5rem; }
a { color: var(--accent); }

.muted { color: var(--muted); }

footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.9rem;
}