:root {
  color-scheme: light dark;
  --bg: #0b0d10;
  --fg: #f4f5f6;
  --muted: #9aa3ad;
  --accent: #6ea8fe;
  --border: #262b31;
  --card: #14171a;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7f7f8;
    --fg: #14171a;
    --muted: #5b6470;
    --accent: #2f6fed;
    --border: #e3e5e8;
    --card: #ffffff;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
}
.wrap {
  max-width: 42rem;
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem;
}
header.page {
  margin-bottom: 2.5rem;
}
.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}
h1 {
  font-size: clamp(1.6rem, 5vw, 2.1rem);
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
}
.meta {
  color: var(--muted);
  font-size: 0.9rem;
}
h2 {
  font-size: 1.15rem;
  margin: 2.25rem 0 0.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
h2:first-of-type { border-top: none; padding-top: 0; }
p, li { color: var(--fg); font-size: 0.97rem; }
p { margin: 0 0 1rem; }
ul { padding-left: 1.25rem; margin: 0 0 1rem; }
li { margin-bottom: 0.4rem; }
a { color: var(--accent); }
strong { font-weight: 600; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
}
nav.crumbs {
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
}
nav.crumbs a { color: var(--muted); text-decoration: none; }
nav.crumbs a:hover { color: var(--accent); }
.links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.links a {
  display: inline-block;
  border: 1px solid var(--border);
  border-radius: 0.6rem;
  padding: 0.9rem 1.1rem;
  text-decoration: none;
  color: var(--fg);
  font-weight: 500;
}
.links a:hover { border-color: var(--accent); color: var(--accent); }