:root {
  color-scheme: light;
  --ink: #17212b;
  --muted: #5b6875;
  --line: #d9e1e8;
  --paper: #f7f9fb;
  --card: #ffffff;
  --accent: #0b6e69;
  --accent-dark: #07504d;
  --soft: #e5f2f0;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.65 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
a { color: var(--accent-dark); text-underline-offset: 3px; }
a:hover { color: var(--accent); }
.wrap { width: min(1080px, calc(100% - 2.5rem)); margin: 0 auto; }
.site-header { border-bottom: 1px solid var(--line); background: rgba(255,255,255,.92); }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 4.5rem; }
.brand { color: var(--ink); font-weight: 760; letter-spacing: -.02em; text-decoration: none; }
.nav-links { display: flex; gap: 1.1rem; align-items: center; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: .95rem; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--accent-dark); }
.hero { padding: 7rem 0 5rem; background: linear-gradient(135deg, #f7fbfa 0%, #eef6f5 100%); }
.eyebrow { color: var(--accent-dark); font-size: .8rem; font-weight: 760; letter-spacing: .13em; text-transform: uppercase; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -.035em; margin: 0 0 1rem; }
h1 { max-width: 760px; font-size: clamp(2.6rem, 7vw, 5.6rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.7rem); }
h3 { font-size: 1.15rem; letter-spacing: -.015em; }
.lead { max-width: 690px; color: var(--muted); font-size: clamp(1.1rem, 2vw, 1.3rem); }
.note { color: var(--muted); font-size: .95rem; }
.section { padding: 5rem 0; }
.section + .section { border-top: 1px solid var(--line); }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 2rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 1.5rem; }
.card p { color: var(--muted); margin: 0; }
.callout { border-left: 4px solid var(--accent); background: var(--soft); padding: 1rem 1.25rem; margin: 1.5rem 0; }
.prose { max-width: 780px; }
.prose h2 { margin-top: 3rem; }
.prose h3 { margin-top: 2rem; }
.prose p, .prose ul { color: var(--muted); }
.prose li + li { margin-top: .65rem; }
.footer { border-top: 1px solid var(--line); padding: 2rem 0; color: var(--muted); font-size: .9rem; }
.footer-inner { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
@media (max-width: 720px) {
  .wrap { width: min(100% - 1.5rem, 680px); }
  .nav { min-height: 4rem; }
  .hero { padding: 4.5rem 0 3.5rem; }
  .section { padding: 3.5rem 0; }
  .grid { grid-template-columns: 1fr; }
  .nav-links { gap: .75rem; }
}