/* DOMAIN row 4 — the apex placeholder: one stylesheet, no build, no fonts fetched. */
:root { --ink: #111827; --muted: #6b7280; --line: #e5e7eb; --brand: #0284c7; --mark: #fef3c7; }
* { box-sizing: border-box; }
html { color-scheme: light; }
body { margin: 0; font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--ink); background: #fff; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
.top, .bottom { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 20px; border-bottom: 1px solid var(--line); }
.bottom { border-bottom: 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; margin-top: 48px; }
.brand { font-weight: 700; font-size: 18px; color: var(--ink); letter-spacing: .02em; }
nav { display: flex; gap: 16px; flex-wrap: wrap; font-size: 14px; }
main { max-width: 760px; margin: 0 auto; padding: 24px 20px 40px; }
.hero { padding: 56px 20px 32px; text-align: center; }
.hero h1 { font-size: 34px; margin: 0 0 12px; }
.hero p { color: var(--muted); font-size: 18px; margin: 0 0 24px; }
.hero .cta { display: inline-block; padding: 12px 20px; border-radius: 12px; background: var(--brand); color: #fff; font-weight: 600; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; margin-top: 8px; }
.card { border: 1px solid var(--line); border-radius: 14px; padding: 16px; }
.card h3 { margin: 0 0 6px; font-size: 16px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }
.doc h1 { font-size: 26px; line-height: 1.25; margin: 8px 0 16px; }
.doc h2 { font-size: 19px; margin: 28px 0 8px; }
.doc p { margin: 0 0 12px; }
.doc ul { margin: 0 0 12px; padding-left: 22px; }
.doc table { border-collapse: collapse; width: 100%; font-size: 14px; margin: 0 0 12px; }
.doc th, .doc td { border: 1px solid var(--line); padding: 6px 8px; text-align: left; vertical-align: top; }
.edition { color: var(--muted); font-size: 13px; border-left: 3px solid var(--brand); padding: 8px 12px; background: #f8fafc; }
mark.ph { background: var(--mark); padding: 0 3px; border-radius: 3px; }
code { font: 13px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; background: #f3f4f6; padding: 1px 4px; border-radius: 4px; }
@media (max-width: 480px) { .hero h1 { font-size: 26px; } .hero p { font-size: 16px; } }