:root {
  color-scheme: light dark;
  --bg: #fbfbfa;
  --fg: #1c1c1a;
  --muted: #6b6b66;
  --line: #e3e3df;
  --accent: #2f5d50;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141413;
    --fg: #e9e9e4;
    --muted: #9a9a93;
    --line: #2a2a27;
    --accent: #8fc0ad;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.65 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 56px 24px 72px;
}

h1 {
  margin: 0 0 6px;
  font-size: 2rem;
  letter-spacing: -0.02em;
}

h2 {
  margin: 40px 0 10px;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--muted);
}

.tagline {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

p { margin: 0 0 14px; }

ul { margin: 0; padding-left: 1.2em; }

li { margin: 6px 0; }

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
}

a:hover { border-bottom-color: var(--accent); }

footer {
  margin-top: 48px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}