:root {
  --bg: #0a0a0b;
  --fg: #e8e8ea;
  --muted: #9a9aa2;
  --accent: #6ea8fe;
  --line: #232327;
  --wrap: 46rem;
}
@media (prefers-color-scheme: light) {
  :root { --bg: #fbfbfc; --fg: #16161a; --muted: #5a5a63; --accent: #1f5fd0; --line: #e3e3e8; }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 400 1.0625rem/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 1.25rem; }
header.top { border-bottom: 1px solid var(--line); padding: 1.25rem 0; }
header.top .wrap { display: flex; gap: 1.25rem; align-items: baseline; justify-content: space-between; }
header.top a { color: var(--fg); text-decoration: none; font-weight: 600; }
header.top nav a { color: var(--muted); font-weight: 400; margin-left: 1rem; }
main { padding: 2.5rem 0 3.5rem; }
h1 { font-size: 1.875rem; line-height: 1.25; margin: 0 0 1rem; }
h2 { font-size: 1.25rem; margin: 2.25rem 0 .75rem; }
h3 { font-size: 1.0625rem; margin: 1.5rem 0 .5rem; }
p { margin: 0 0 1rem; }
.lead { font-size: 1.1875rem; color: var(--fg); }
.muted { color: var(--muted); }
a { color: var(--accent); }
ul.links { list-style: none; padding: 0; margin: 1rem 0; }
ul.links li { padding: .375rem 0; border-bottom: 1px solid var(--line); }
footer { border-top: 1px solid var(--line); padding: 1.5rem 0 3rem; color: var(--muted); font-size: .9375rem; }