:root {
  color-scheme: light;
  --ink: #16312e;
  --muted: #536966;
  --brand: #147a6e;
  --brand-dark: #0b4a43;
  --soft: #e9f3f1;
  --warm: #e6a24a;
  --line: #cfe2de;
  --paper: #ffffff;
  --canvas: #f6faf9;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--canvas);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a { color: var(--brand-dark); }
a:hover { color: var(--brand); }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  padding: .7rem 1rem;
  background: var(--ink);
  color: white;
  z-index: 10;
}

.skip-link:focus { left: 1rem; top: 1rem; }

.site-header,
footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  max-width: 1080px;
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  color: var(--brand-dark);
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: .65rem;
  color: white;
  background: var(--brand);
}

nav,
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

nav a,
.footer-links a {
  color: var(--muted);
  font-weight: 650;
  text-decoration: none;
}

nav a[aria-current="page"] { color: var(--brand-dark); }

main { max-width: 960px; margin: 0 auto; padding: 2rem 1.5rem 5rem; }

.hero,
.page-hero,
.content,
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 1.5rem;
  box-shadow: 0 18px 48px rgba(11, 74, 67, .07);
}

.hero,
.page-hero { padding: clamp(2rem, 7vw, 4.5rem); }

.eyebrow {
  margin: 0 0 .5rem;
  color: var(--brand);
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

h1,
h2 { line-height: 1.15; }
h1 { margin: 0; font-size: clamp(2.25rem, 7vw, 4.4rem); color: var(--brand-dark); }
h2 { margin-top: 2rem; color: var(--ink); }

.lede { max-width: 46rem; color: var(--muted); font-size: 1.16rem; }

.actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.6rem; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: .7rem 1.15rem;
  border-radius: .85rem;
  background: var(--brand);
  color: white;
  font-weight: 800;
  text-decoration: none;
}

.button.secondary { background: var(--soft); color: var(--brand-dark); }

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.card { padding: 1.4rem; }
.card strong { display: block; color: var(--brand-dark); font-size: 1.45rem; }
.card p { margin-bottom: 0; color: var(--muted); }

.content { margin-top: 1.25rem; padding: clamp(1.5rem, 5vw, 3.5rem); }
.content h2:first-child { margin-top: 0; }
.content li + li { margin-top: .4rem; }

.notice {
  padding: 1rem 1.1rem;
  border-left: .35rem solid var(--warm);
  border-radius: .5rem;
  background: #fff7eb;
}

footer { color: var(--muted); border-top: 1px solid var(--line); }

@media (max-width: 720px) {
  .site-header,
  footer { align-items: flex-start; flex-direction: column; }
  .grid { grid-template-columns: 1fr; }
  main { padding-top: 1rem; }
}