:root {
  --bg: #ffffff;
  --ink: #1a1a1a;
  --muted: #595959;
  --link: #1d4ed8;
  --rule: #e6e6e6;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141414;
    --ink: #e8e8e8;
    --muted: #a3a3a3;
    --link: #7ca6f7;
    --rule: #2b2b2b;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: 42rem;
  margin: 0 auto;
  padding: 4rem 1.5rem 4rem;
}

h1 {
  font-size: 1.6rem;
  font-weight: 650;
  margin: 0 0 0.75rem;
}

h2 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 2.5rem 0 0.75rem;
}

p { margin: 0 0 1rem; }

.lede { color: var(--ink); }

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

li { margin: 0 0 0.85rem; }

.desc {
  display: block;
  color: var(--muted);
}

a {
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 2px;
}

footer {
  margin-top: 3rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
}

footer a { margin-right: 1.25rem; }