:root {
  color-scheme: light;
  --ink: #18201d;
  --muted: #58635f;
  --paper: #f6f4ed;
  --surface: #fffdf7;
  --line: #d9ded8;
  --accent: #175d4d;
  --accent-dark: #0c4034;
  --soft: #dfece6;
  --max: 72rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.65;
}

a { color: var(--accent-dark); text-underline-offset: 0.18em; }
a:hover { text-decoration-thickness: 0.13em; }
a:focus-visible { outline: 3px solid #d38b2f; outline-offset: 3px; }

.skip-link {
  position: absolute;
  left: 1rem;
  top: -5rem;
  z-index: 10;
  padding: 0.6rem 0.85rem;
  background: var(--ink);
  color: white;
}
.skip-link:focus { top: 1rem; }

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 253, 247, 0.96);
}

.nav {
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
  min-height: 4.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  color: var(--ink);
  font-weight: 760;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.nav-links { display: flex; flex-wrap: wrap; gap: 0.65rem 1.2rem; }
.nav-links a { font-weight: 620; text-decoration: none; }
.nav-links a:hover { text-decoration: underline; }

main { width: min(calc(100% - 2rem), var(--max)); margin: 0 auto; }

.hero { padding: clamp(3.5rem, 9vw, 7rem) 0 3.5rem; max-width: 58rem; }
.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
h1, h2, h3 { line-height: 1.16; letter-spacing: -0.025em; }
h1 { margin: 0 0 1rem; font-size: clamp(2.4rem, 7vw, 5.4rem); max-width: 14ch; }
h2 { margin: 0 0 0.8rem; font-size: clamp(1.55rem, 3vw, 2.35rem); }
h3 { margin: 0 0 0.5rem; font-size: 1.14rem; }
.lead { margin: 0; max-width: 48rem; color: var(--muted); font-size: clamp(1.08rem, 2vw, 1.28rem); }

.actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 1.7rem; }
.button {
  display: inline-block;
  padding: 0.72rem 1rem;
  border: 1px solid var(--accent-dark);
  border-radius: 0.35rem;
  background: var(--accent-dark);
  color: white;
  font-weight: 700;
  text-decoration: none;
}
.button.secondary { background: transparent; color: var(--accent-dark); }

.section { padding: 2.5rem 0 4.5rem; }
.section + .section { border-top: 1px solid var(--line); }
.section-intro { max-width: 46rem; color: var(--muted); }

.grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 1rem; margin-top: 1.8rem; }
.card {
  grid-column: span 6;
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid var(--line);
  border-radius: 0.6rem;
  background: var(--surface);
}
.card p { margin: 0.45rem 0 0; color: var(--muted); }
.card-link { display: inline-block; margin-top: 1rem; font-weight: 720; }

.notice {
  margin: 2rem 0;
  padding: 1rem 1.15rem;
  border-left: 0.3rem solid var(--accent);
  background: var(--soft);
}

.prose { max-width: 52rem; padding: 3.5rem 0 5rem; }
.prose h1 { font-size: clamp(2.2rem, 6vw, 4.6rem); }
.prose h2 { margin-top: 2.6rem; }
.prose h3 { margin-top: 1.6rem; }
.prose p, .prose ul { color: #303a36; }
.prose li + li { margin-top: 0.45rem; }
.meta { color: var(--muted); font-size: 0.95rem; }

.site-footer { border-top: 1px solid var(--line); background: var(--surface); }
.footer-inner {
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
  padding: 2rem 0 3rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  color: var(--muted);
  font-size: 0.94rem;
}
.footer-inner p { margin: 0; }
.footer-links { display: flex; flex-wrap: wrap; gap: 0.6rem 1rem; }

@media (max-width: 44rem) {
  .nav { align-items: flex-start; flex-direction: column; padding: 1rem 0; gap: 0.5rem; }
  .card { grid-column: 1 / -1; }
  .hero { padding-top: 3.5rem; }
}