:root {
  --bg: #fafaf8;
  --fg: #1c1c1a;
  --muted: #6b6b66;
  --accent: #2f6f4f;
  --rule: #e2e2dc;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141413;
    --fg: #ecece8;
    --muted: #9a9a93;
    --accent: #7cc49d;
    --rule: #2a2a28;
  }
}

* { box-sizing: border-box; }

html { font-size: 18px; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
}

main {
  flex: 1;
  width: 100%;
  max-width: 40rem;
  margin: 0 auto;
  padding: 4rem 1rem 2rem;
}

h1 { font-size: 2.2rem; margin: 0 0 .25rem; letter-spacing: -.02em; }
h2 {
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--muted);
  margin: 2.5rem 0 .75rem;
  padding-bottom: .4rem;
  border-bottom: 1px solid var(--rule);
}

.tagline { color: var(--muted); margin: 0; }

ul { padding-left: 1.1rem; margin: 0; }
li { margin: .3rem 0; }

.links { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 1.25rem; }

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }

footer {
  text-align: center;
  color: var(--muted);
  font-size: .8rem;
  padding: 2rem 1rem;
}