:root {
  --bg: oklch(97% 0.012 80);
  --surface: oklch(99% 0.005 80);
  --fg: oklch(20% 0.02 60);
  --muted: oklch(48% 0.015 60);
  --border: oklch(89% 0.012 80);
  --accent: oklch(58% 0.16 35);
  --success: oklch(62% 0.17 145);
  --font-display: 'Iowan Old Style', 'Charter', Georgia, serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-font-smoothing: antialiased; }
body { background: var(--bg); color: var(--fg); font-family: var(--font-body); line-height: 1.7; }
a { color: var(--accent); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.topnav {
  min-height: 64px; padding: 8px 24px; display: flex; align-items: center; gap: 24px;
  border-bottom: 1px solid var(--border); background: oklch(97% 0.012 80 / .92);
  position: sticky; top: 0; z-index: 10; backdrop-filter: blur(12px);
}
.brand { font-family: var(--font-display); font-size: 20px; font-weight: 600; color: var(--fg); text-decoration: none; display: flex; align-items: center; gap: 8px; }
.brand img { width: 48px; height: 48px; border-radius: 10px; object-fit: contain; }
.brand span { color: var(--accent); }
.nav-links { margin-inline-start: auto; display: flex; gap: 18px; flex-wrap: wrap; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 13px; min-height: 36px; display: inline-flex; align-items: center; }
.nav-links a:hover { color: var(--accent); }
.hero, main, footer { max-width: 1040px; margin: 0 auto; padding: 0 24px; }
.hero { padding-top: 56px; padding-bottom: 26px; }
.eyebrow { color: var(--accent); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 12px; }
h1 { font-family: var(--font-display); font-size: clamp(34px, 5vw, 54px); line-height: 1.08; letter-spacing: -.03em; margin-bottom: 14px; }
.subtitle { color: var(--muted); font-size: 17px; max-width: 760px; }
.facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-top: 24px; }
.fact, .card, .answer, .note {
  background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 20px;
  box-shadow: 0 1px 2px oklch(20% 0.02 60 / .03);
}
.fact strong { display: block; font-family: var(--font-display); font-size: 30px; line-height: 1; margin-bottom: 6px; }
.fact span, .muted { color: var(--muted); font-size: 14px; }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin: 22px 0 36px; }
.card h2, .answer h2 { font-family: var(--font-display); font-size: 24px; line-height: 1.2; margin-bottom: 8px; }
.card p, .answer p, .answer li, .note p { color: var(--muted); font-size: 15px; }
.answer-list { display: grid; gap: 16px; padding: 24px 0 40px; }
.answer ul, .answer ol { padding-left: 22px; margin-top: 8px; }
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 14px; background: var(--surface); }
table { width: 100%; border-collapse: collapse; min-width: 680px; font-size: 14px; }
th, td { padding: 12px 14px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; background: var(--bg); }
tr:last-child td { border-bottom: 0; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 14px; }
.btn { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; padding: 0 18px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface); text-decoration: none; font-size: 14px; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--surface); }
footer { border-top: 1px solid var(--border); padding-top: 24px; padding-bottom: 32px; color: var(--muted); font-size: 12px; }
@media (max-width: 780px) {
  .topnav { padding: 8px 16px; flex-wrap: wrap; }
  .nav-links { width: 100%; gap: 12px; }
  .hero, main, footer { padding-left: 16px; padding-right: 16px; }
  .facts, .grid { grid-template-columns: 1fr; }
}