:root {
  color-scheme: light dark;
  --fg: #1c1c1c;
  --muted: #5a5a5a;
  --bg: #fdfdfb;
  --link: #0b57d0;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #e8e8e6;
    --muted: #a8a8a4;
    --bg: #161616;
    --link: #8ab4f8;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 2.5rem 1.25rem 4rem;
  font: 1.0625rem/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--fg);
  background: var(--bg);
}

main { max-width: 42rem; margin: 0 auto; }

h1 { font-size: 1.875rem; line-height: 1.2; margin: 0 0 0.25rem; }
h2 { font-size: 1.25rem; margin: 2.25rem 0 0.5rem; }

.meta { color: var(--muted); margin: 0 0 2rem; }

a { color: var(--link); }

ul { padding-left: 1.25rem; }
li + li { margin-top: 0.35rem; }

footer {
  max-width: 42rem;
  margin: 3rem auto 0;
  color: var(--muted);
  font-size: 0.9375rem;
}