:root {
  --bg: #ffffff;
  --bg-subtle: #f4f5f7;
  --text: #1a1d23;
  --text-muted: #5a6270;
  --accent: #2f6feb;
  --border: #e2e5ea;
  --link: #2f6feb;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --bg-subtle: #1c1f25;
    --text: #eceef1;
    --text-muted: #9aa2b1;
    --accent: #6ea8ff;
    --border: #2b2f37;
    --link: #6ea8ff;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  font-size: 17px;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem;
}

header.site {
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 1.5rem;
}

header.site .wrap {
  padding: 0;
  max-width: 720px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

header.site a.brand {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.01em;
}

header.site nav a {
  color: var(--text-muted);
  text-decoration: none;
  margin-left: 1.25rem;
  font-size: 0.95rem;
}

header.site nav a:hover { color: var(--link); }

h1 {
  font-size: 1.9rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}

h2 {
  font-size: 1.25rem;
  margin-top: 2.25rem;
  letter-spacing: -0.01em;
}

.eyebrow {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 0 0 1.5rem;
}

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

.card {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
}

.card h3 {
  margin-top: 0;
  font-size: 1.05rem;
}

.card ul { margin-bottom: 0; padding-left: 1.1rem; }

ul, ol { padding-left: 1.3rem; }

footer.site {
  border-top: 1px solid var(--border);
  margin-top: 3rem;
  padding-top: 1.5rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

code {
  background: var(--bg-subtle);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  font-size: 0.9em;
}