:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1c1c1e;
  --muted: #6b6b70;
  --rule: #d8d8dc;
  --link: #0a58ca;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121214;
    --fg: #ececf0;
    --muted: #a0a0a8;
    --rule: #34343a;
    --link: #79b0ff;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0 auto;
  max-width: 70ch;
  padding: 1.25rem 1.25rem 2.5rem;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
  overflow-wrap: break-word;
}

a { color: var(--link); }

.site-header {
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--rule);
  font-weight: 600;
}

.site-header a { color: var(--fg); text-decoration: none; }

h1 { font-size: 1.75rem; line-height: 1.25; margin: 1.5rem 0 1rem; }
h2 { font-size: 1.25rem; line-height: 1.3; margin: 2rem 0 0.5rem; }

hr { border: 0; border-top: 1px solid var(--rule); }

ul { padding-left: 1.25rem; }
li { margin: 0.25rem 0; }

.site-footer {
  margin-top: 3rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.9rem;
}