:root {
  --ink: #0f172a;
  --muted: #475569;
  --line: #e2e8f0;
  --brand: #0d9488;
  --brand-dark: #0f766e;
  --soft: #f0fdfa;
  --card: #ffffff;
}
html { scroll-behavior: smooth; }
body { font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif; color: var(--ink); background: #f8fafc; }
a { color: var(--brand-dark); }
a:hover { color: var(--brand); }
.site-wrap { max-width: 1080px; margin: 0 auto; padding: 0 1.25rem; }
.nav { background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 40; }
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 64px; }
.brand { display: flex; align-items: baseline; gap: .5rem; text-decoration: none; color: var(--ink); font-weight: 700; }
.brand span { color: var(--brand); font-weight: 600; font-size: .85rem; }
.nav-links { display: flex; flex-wrap: wrap; gap: .85rem; align-items: center; }
.nav-links a { text-decoration: none; color: var(--muted); font-size: .95rem; }
.nav-links a:hover, .nav-links a.active { color: var(--brand-dark); }
.hero { padding: 3rem 0 2rem; }
.hero h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); line-height: 1.15; margin: 0 0 .75rem; }
.hero p.lead { font-size: 1.125rem; color: var(--muted); max-width: 42rem; margin: 0 0 1.5rem; }
.btn { display: inline-flex; align-items: center; gap: .4rem; background: var(--brand); color: #fff !important; text-decoration: none; padding: .7rem 1rem; border-radius: .6rem; font-weight: 600; }
.btn:hover { background: var(--brand-dark); }
.btn-ghost { background: #fff; color: var(--ink) !important; border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand-dark) !important; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 1rem; padding: 1.25rem; box-shadow: 0 1px 2px rgba(15,23,42,.04); }
.card h2, .card h3 { margin-top: 0; }
.pill { display: inline-block; background: var(--soft); color: var(--brand-dark); border-radius: 999px; padding: .2rem .65rem; font-size: .75rem; font-weight: 600; }
.section { padding: 1.5rem 0 2.5rem; }
.section h2 { margin: 0 0 1rem; font-size: 1.35rem; }
.list-clean { list-style: none; padding: 0; margin: 0; }
.list-clean li { padding: .65rem 0; border-bottom: 1px solid var(--line); }
.list-clean a { text-decoration: none; font-weight: 600; color: var(--ink); }
.list-clean a:hover { color: var(--brand-dark); }
.meta { color: var(--muted); font-size: .9rem; }
.prose { background: #fff; border: 1px solid var(--line); border-radius: 1rem; padding: 1.5rem; }
.prose h1 { margin-top: 0; font-size: clamp(1.6rem, 3vw, 2.1rem); }
.prose h2 { margin-top: 1.75rem; font-size: 1.25rem; }
.prose h3 { margin-top: 1.25rem; }
.prose p, .prose li { color: #334155; line-height: 1.7; }
.prose table { width: 100%; border-collapse: collapse; margin: 1rem 0; font-size: .92rem; }
.prose th, .prose td { border: 1px solid var(--line); padding: .55rem .65rem; text-align: left; vertical-align: top; }
.prose th { background: #f8fafc; }
.prose .disclaimer { background: #fff7ed; border: 1px solid #fed7aa; border-radius: .75rem; padding: .85rem 1rem; color: #9a3412; font-size: .92rem; }
.footer { margin-top: 2rem; border-top: 1px solid var(--line); background: #fff; }
.footer-inner { padding: 1.5rem 0 2rem; display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; color: var(--muted); font-size: .9rem; }
.footer a { color: var(--muted); text-decoration: none; margin-right: .85rem; }
.footer a:hover { color: var(--brand-dark); }
.badge-row { display: flex; flex-wrap: wrap; gap: .5rem; margin: 1rem 0; }
@media (max-width: 640px) {
  .nav-inner { flex-direction: column; align-items: flex-start; padding: .75rem 0; }
}