:root {
  --bg: #ffffff;
  --band: #f4f6f8;
  --text: #1b2430;
  --muted: #5a6573;
  --line: #dde2e8;
  --accent: #b4441c;
  --accent-ink: #ffffff;
  --card: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161c;
    --band: #181e26;
    --text: #e6e9ee;
    --muted: #9aa5b2;
    --line: #2a323d;
    --accent: #f08a5d;
    --accent-ink: #12161c;
    --card: #1d242d;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); }
h1, h2, h3 { line-height: 1.25; }
h2 { font-size: 1.6rem; margin: 0 0 1rem; }
h3 { font-size: 1.1rem; margin: 1.6rem 0 .4rem; }
.mono { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; }
section { padding: 64px 0; }
.band { background: var(--band); }

.site-header { border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 14px; padding-bottom: 14px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--text); text-decoration: none; }
.site-header nav { display: flex; gap: 18px; flex-wrap: wrap; }
.site-header nav a { color: var(--muted); text-decoration: none; font-size: .95rem; }
.site-header nav a:hover { color: var(--text); }

.hero { padding: 88px 0 72px; }
.eyebrow { color: var(--accent); font-weight: 600; text-transform: uppercase; letter-spacing: .06em; font-size: .8rem; margin: 0; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.1rem); max-width: 18ch; margin: .4rem 0 1rem; }
.lede { font-size: 1.15rem; color: var(--muted); max-width: 62ch; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 1.6rem; }
.button { display: inline-block; padding: 10px 18px; border-radius: 6px; background: var(--accent); color: var(--accent-ink); text-decoration: none; font-weight: 600; border: 1px solid var(--accent); }
.button.ghost { background: transparent; color: var(--accent); }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.grid article { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 4px 20px 16px; }
.grid article p { color: var(--muted); margin-top: 0; }

ol li, ul li { margin-bottom: .4rem; }

.mock { margin: 2rem 0; }
.mock-dialog { max-width: 460px; margin: 0 auto; background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 18px 20px; box-shadow: 0 8px 30px rgba(0, 0, 0, .12); font-size: .92rem; }
.mock-dialog p { margin: 0 0 .7rem; }
.mock-title { font-weight: 700; font-size: 1.05rem; }
.mock-label { text-transform: uppercase; font-size: .72rem; font-weight: 600; color: var(--muted); margin-bottom: 0 !important; }
.mock-check { display: flex; gap: 10px; }
.box { flex: none; width: 18px; height: 18px; border: 2px solid var(--muted); border-radius: 4px; margin-top: 3px; }
.mock-note { color: var(--muted); font-size: .82rem; }
.mock-buttons { display: flex; justify-content: flex-end; gap: 8px; margin: 0 !important; }
.mock-btn { padding: 6px 14px; border: 1px solid var(--line); border-radius: 6px; }
.mock-btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); opacity: .55; }
.mock figcaption { text-align: center; color: var(--muted); font-size: .85rem; margin-top: .8rem; }

.samples dt { font-weight: 600; margin-top: .8rem; }
.samples dd { margin: .2rem 0 0; padding: 10px 14px; background: var(--band); border-left: 3px solid var(--accent); border-radius: 4px; font-size: .95rem; }

.doc { padding-top: 48px; padding-bottom: 64px; }
.doc h1 { font-size: 2.2rem; margin-bottom: .2rem; }
.doc h2 { font-size: 1.25rem; margin: 2rem 0 .5rem; }
.doc .meta { color: var(--muted); margin-top: 0; }

.site-footer { border-top: 1px solid var(--line); padding: 24px 0; color: var(--muted); font-size: .9rem; }
.site-footer p { margin: .3rem 0; }
.site-footer a { color: var(--muted); }