:root {
  --ink: #0c1930;
  --muted: #5b6474;
  --paper: #f6f7f9;
  --white: #fff;
  --orange: #ff6b22;
  --orange-soft: #fff1e9;
  --line: #dfe3e8;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: inherit; }
.site-header { min-height: 80px; padding: 16px clamp(24px,5vw,72px); display: flex; align-items: center; justify-content: space-between; background: var(--white); border-bottom: 1px solid var(--line); }
.brand img { display: block; width: 168px; height: auto; }
.header-link { font-weight: 750; text-decoration: none; border-bottom: 2px solid var(--orange); }
main { max-width: 1200px; margin: 0 auto; padding: 0 clamp(24px,5vw,72px) 72px; }
.hero { padding: clamp(72px,10vw,132px) 0 64px; }
.eyebrow { margin: 0 0 16px; color: var(--orange); font-size: .78rem; font-weight: 850; letter-spacing: .14em; }
h1 { max-width: 900px; margin: 0; font-size: clamp(3rem,8vw,6.9rem); line-height: .91; letter-spacing: -.065em; }
.lede { max-width: 760px; margin: 32px 0 0; color: var(--muted); font-size: clamp(1.08rem,2vw,1.35rem); line-height: 1.65; }
.domain-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px; margin-top: 48px; }
.domain-grid article { padding: 28px; background: var(--white); border: 1px solid var(--line); border-radius: 20px; }
.domain-grid span { display: block; color: var(--muted); font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; }
.domain-grid strong { display: block; margin-top: 10px; font-size: clamp(1.8rem,4vw,3rem); }
.domain-grid p { margin: 10px 0 0; color: var(--muted); }
.routes, .checklist, .evidence { margin-top: 72px; }
.section-heading h2, .checklist h2, .evidence h2 { max-width: 760px; margin: 0; font-size: clamp(2rem,4vw,3.6rem); line-height: 1.03; letter-spacing: -.04em; }
.route-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px; margin-top: 32px; }
.route-card { min-height: 260px; padding: 28px; display: flex; flex-direction: column; text-decoration: none; background: var(--white); border: 1px solid var(--line); border-radius: 20px; transition: transform .18s ease, border-color .18s ease; }
.route-card:hover { transform: translateY(-3px); border-color: var(--orange); }
.route-card > span { color: var(--orange); font-weight: 800; }
.route-card h3 { margin: 28px 0 8px; font-size: 1.5rem; }
.route-card p { margin: 0 0 24px; color: var(--muted); line-height: 1.6; }
.route-card b { margin-top: auto; }
.checklist { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; padding: clamp(32px,6vw,64px); color: var(--white); background: var(--ink); border-radius: 28px; }
.checklist ol { list-style: none; margin: 0; padding: 0; }
.checklist li { padding: 18px 0; display: grid; grid-template-columns: 120px 1fr; border-bottom: 1px solid #2f3a4d; }
.checklist li:last-child { border-bottom: 0; }
.checklist span { color: #c3cad4; }
.evidence { padding: clamp(32px,6vw,64px); display: grid; grid-template-columns: 1.15fr .85fr; gap: 32px; align-items: end; background: var(--orange-soft); border-radius: 28px; }
.evidence p:not(.eyebrow) { max-width: 640px; color: var(--muted); line-height: 1.65; }
.actions { display: grid; gap: 12px; }
.actions a { padding: 16px 18px; text-decoration: none; font-weight: 800; background: var(--white); border: 1px solid #f0cbb9; border-radius: 12px; }
footer { padding: 36px clamp(24px,5vw,72px); display: flex; justify-content: space-between; gap: 24px; color: var(--muted); background: var(--white); border-top: 1px solid var(--line); font-size: .9rem; }
footer p { margin: 0; }
@media (max-width: 760px) {
  .domain-grid, .route-grid, .checklist, .evidence { grid-template-columns: 1fr; }
  .checklist { gap: 32px; }
  .checklist li { grid-template-columns: 1fr; gap: 8px; }
  footer { flex-direction: column; }
}
