:root {
  --bg: #fbfaf7;
  --fg: #1d1c1a;
  --muted: #6b6862;
  --accent: #2f5d8a;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161514;
    --fg: #ecebe7;
    --muted: #a19e97;
    --accent: #8db4dc;
  }
}

* { box-sizing: border-box; }

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

main {
  max-width: 40rem;
  margin: 0 auto;
  padding: 12vh 16px 4rem;
}

h1 { font-size: 2.25rem; line-height: 1.15; margin: 0 0 0.5rem; }
.lede { color: var(--muted); margin: 0; }
a { color: var(--accent); }