:root {
  --bg: #f7f8fa;
  --fg: #1a1d23;
  --muted: #5c6570;
  --accent: #2563eb;
  --accent-soft: #e8eefc;
  --card: #ffffff;
  --border: #e2e6eb;
  --code-bg: #eef1f5;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", Menlo, monospace;
  --max: 720px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { width: min(var(--max), 92vw); margin: 0 auto; }
.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.site-header .wrap {
  display: flex; flex-wrap: wrap; align-items: center;
  justify-content: space-between; gap: .75rem; padding: .9rem 0;
}
.logo { font-weight: 700; color: var(--fg); font-size: 1.05rem; }
nav { display: flex; flex-wrap: wrap; gap: .85rem; }
nav a { color: var(--muted); font-size: .95rem; }
nav a:hover, nav a[aria-current="page"] { color: var(--fg); }
main { flex: 1; padding: 2rem 0 3rem; }
h1 { font-size: clamp(1.6rem, 3.5vw, 2.1rem); line-height: 1.25; margin: 0 0 1rem; }
h2 { font-size: 1.25rem; margin: 2rem 0 .75rem; }
h3 { font-size: 1.05rem; margin: 1.5rem 0 .5rem; }
p, li { color: var(--fg); }
.lede { color: var(--muted); font-size: 1.08rem; margin-bottom: 1.5rem; }
.eyebrow {
  text-transform: uppercase; letter-spacing: .08em;
  font-size: .72rem; color: var(--muted); margin: 0 0 .35rem;
}
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: .85rem; margin: 1.5rem 0;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.1rem;
}
.card h2 { margin: 0 0 .4rem; font-size: 1rem; }
.card p { margin: 0; color: var(--muted); font-size: .92rem; }
ul, ol { padding-left: 1.25rem; }
li { margin: .35rem 0; }
pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.1rem;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: .85rem;
  line-height: 1.5;
}
code {
  font-family: var(--mono);
  font-size: .9em;
  background: var(--code-bg);
  padding: .1rem .35rem;
  border-radius: 4px;
}
pre code { background: none; padding: 0; }
.callout {
  background: var(--accent-soft);
  border-left: 3px solid var(--accent);
  padding: .85rem 1rem;
  border-radius: 0 8px 8px 0;
  margin: 1.25rem 0;
  color: var(--fg);
}
.faq dt { font-weight: 600; margin-top: 1.1rem; }
.faq dd { margin: .35rem 0 0; color: var(--muted); }
.site-footer {
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: .88rem;
  padding: 1.25rem 0 2rem;
}
.site-footer p { margin: .25rem 0; }