:root {
  --text: #1a1a1a;
  --muted: #6b6b6b;
  --rule: #e5e5e5;
  --bg: #ffffff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --text: #e8e8e8;
    --muted: #9a9a9a;
    --rule: #2e2e2e;
    --bg: #111111;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 20px;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: 640px;
  margin: 0 auto;
  padding: 80px 0 120px;
}

h1 {
  font-size: 28px;
  font-weight: 600;
  margin: 0 0 16px;
  letter-spacing: -0.01em;
}

h2 {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 56px 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule);
}

p { margin: 0 0 12px; }

a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: var(--muted);
  text-underline-offset: 3px;
}

a:hover { text-decoration-color: var(--text); }

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

ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

li { margin: 0 0 8px; }

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