:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1a1d21;
  --muted: #5b6470;
  --accent: #2563eb;
  --border: #e3e6ea;
  --card: #f7f8fa;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --fg: #eef0f2;
    --muted: #9aa3af;
    --accent: #6ea8ff;
    --border: #2a2d33;
    --card: #1c1f24;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, Arial, sans-serif;
  line-height: 1.6;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 20px 80px;
}

.eyebrow {
  color: var(--accent);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0 0 8px;
}

h1 {
  font-size: 28px;
  margin: 0 0 6px;
}

.meta {
  color: var(--muted);
  font-size: 14px;
  margin: 0 0 32px;
}

h2 {
  font-size: 19px;
  margin: 36px 0 10px;
  border-top: 1px solid var(--border);
  padding-top: 24px;
}

h2:first-of-type {
  border-top: none;
  padding-top: 0;
}

p, li {
  color: var(--fg);
  font-size: 15.5px;
}

ul {
  padding-left: 22px;
}

li {
  margin: 6px 0;
}

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

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
  margin: 16px 0;
}

.nav {
  display: flex;
  gap: 16px;
  font-size: 14px;
  margin-bottom: 8px;
}

.badge {
  display: inline-block;
  font-size: 12px;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px 10px;
  margin: 2px 6px 2px 0;
}

footer {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
}