:root {
  color-scheme: light;
  --ink: #172126;
  --muted: #56656d;
  --paper: #f7f4ec;
  --card: #fffdf8;
  --accent: #1b6b5b;
  --accent-soft: #d9ebe5;
  --line: #d7d4ca;
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.65;
}
a { color: var(--accent); text-underline-offset: 0.18em; }
a:hover { text-decoration-thickness: 2px; }
.shell { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 92%, transparent);
}
.nav { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { color: var(--ink); font: 700 1.08rem/1 var(--sans); text-decoration: none; letter-spacing: -0.02em; }
.brand-mark { color: var(--accent); margin-right: 0.4rem; }
.nav-links { display: flex; flex-wrap: wrap; gap: 18px; font-size: 0.9rem; }
.nav-links a { color: var(--muted); text-decoration: none; }
.hero { padding: 88px 0 68px; display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 64px; align-items: end; }
.eyebrow { margin: 0 0 18px; color: var(--accent); font-size: 0.78rem; font-weight: 750; letter-spacing: 0.13em; text-transform: uppercase; }
h1, h2, h3 { font-family: var(--serif); line-height: 1.08; letter-spacing: -0.025em; }
h1 { max-width: 820px; margin: 0; font-size: clamp(2.9rem, 7vw, 6.4rem); font-weight: 500; }
h2 { margin: 0 0 20px; font-size: clamp(2rem, 4vw, 3.3rem); font-weight: 500; }
h3 { margin: 0 0 10px; font-size: 1.45rem; font-weight: 600; }
.lede { margin: 0; color: var(--muted); font-size: 1.08rem; }
.rule { border: 0; border-top: 1px solid var(--line); margin: 0; }
.section { padding: 72px 0; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { min-height: 230px; padding: 28px; background: var(--card); border: 1px solid var(--line); border-radius: 18px; }
.card-number { display: inline-grid; width: 36px; height: 36px; place-items: center; margin-bottom: 42px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); font-weight: 800; }
.card p { margin: 0; color: var(--muted); }
.feature { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 64px; align-items: start; }
.checklist { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.checklist li { padding: 18px 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 32px 1fr; gap: 12px; }
.check { color: var(--accent); font-weight: 900; }
.note { padding: 28px; background: var(--accent); color: white; border-radius: 18px; }
.note p { margin: 0; }
.page { max-width: 780px; padding: 72px 0 96px; }
.page h1 { margin-bottom: 28px; font-size: clamp(2.6rem, 6vw, 4.8rem); }
.page h2 { margin-top: 52px; font-size: 2rem; }
.page p, .page li { color: var(--muted); }
.page .updated { font-size: 0.85rem; }
.site-footer { padding: 40px 0 56px; border-top: 1px solid var(--line); }
.footer-grid { display: flex; justify-content: space-between; gap: 28px; align-items: flex-start; }
.footer-copy { margin: 8px 0 0; max-width: 560px; color: var(--muted); font-size: 0.86rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 16px; font-size: 0.82rem; }
@media (max-width: 780px) {
  .hero, .feature { grid-template-columns: 1fr; gap: 32px; }
  .hero { padding-top: 56px; }
  .grid-3 { grid-template-columns: 1fr; }
  .nav { align-items: flex-start; padding: 22px 0; }
  .nav-links { justify-content: flex-end; }
  .footer-grid { flex-direction: column; }
}