:root {
  --navy: #102a43;
  --navy-soft: #193b5a;
  --teal: #087f6b;
  --teal-light: #e7f6f2;
  --amber: #f2a93b;
  --ink: #17212b;
  --muted: #5b6874;
  --line: #dce5ec;
  --paper: #ffffff;
  --wash: #f5f8fa;
  --shadow: 0 18px 45px rgba(16, 42, 67, .12);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

a { color: var(--teal); }

a:focus-visible,
.button:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 3px;
}

.site-header {
  background: var(--navy);
  color: white;
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: 0 2px 15px rgba(0, 0, 0, .14);
}

.nav {
  width: min(1120px, calc(100% - 40px));
  margin: auto;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: white;
  text-decoration: none;
  font-weight: 760;
  letter-spacing: -.02em;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 12px;
}

.nav-links { display: flex; gap: 8px; }

.nav-links a {
  color: #e8f0f6;
  text-decoration: none;
  padding: 9px 12px;
  border-radius: 10px;
  font-weight: 650;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] { background: rgba(255, 255, 255, .12); }

.hero {
  background:
    radial-gradient(circle at 82% 22%, rgba(8, 127, 107, .55), transparent 29%),
    linear-gradient(135deg, var(--navy), var(--navy-soft));
  color: white;
  padding: 88px 0 96px;
}

.hero-inner,
.content {
  width: min(920px, calc(100% - 40px));
  margin: auto;
}

.eyebrow {
  color: #9de3d5;
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}

h1, h2, h3 { line-height: 1.2; letter-spacing: -.025em; }

h1 { font-size: clamp(2.5rem, 7vw, 5rem); margin: 12px 0 20px; max-width: 820px; }

.hero p { color: #d9e7f1; max-width: 700px; font-size: 1.18rem; }

.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 19px;
  border-radius: 13px;
  background: var(--teal);
  color: white;
  text-decoration: none;
  font-weight: 760;
}

.button.secondary { background: white; color: var(--navy); }

.content { padding: 64px 0 80px; }

.intro { font-size: 1.12rem; color: var(--muted); max-width: 760px; }

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin: 36px 0 56px;
}

.card,
.article {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.card { padding: 26px; }
.card h2 { font-size: 1.18rem; margin: 14px 0 8px; }
.card p { color: var(--muted); margin: 0; }

.icon {
  width: 42px;
  height: 42px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  background: var(--teal-light);
  color: var(--teal);
  font-weight: 850;
}

.article { padding: clamp(24px, 6vw, 58px); }
.article h1 { color: var(--navy); font-size: clamp(2.1rem, 5vw, 3.8rem); }
.article h2 { color: var(--navy); margin-top: 42px; }
.article p, .article li { color: #344451; }
.article .updated { color: var(--muted); font-size: .93rem; }

.notice {
  background: var(--teal-light);
  border-left: 4px solid var(--teal);
  padding: 18px 20px;
  border-radius: 0 12px 12px 0;
  margin: 28px 0;
}

.contact {
  background: var(--navy);
  color: white;
  border-radius: 20px;
  padding: 30px;
  margin-top: 42px;
}

.contact h2 { color: white; margin-top: 0; }
.contact p { color: #d9e7f1; }
.contact a { color: #9de3d5; font-weight: 750; }

footer {
  border-top: 1px solid var(--line);
  padding: 28px 20px;
  text-align: center;
  color: var(--muted);
  font-size: .9rem;
}

@media (max-width: 720px) {
  .nav { width: min(100% - 24px, 1120px); min-height: 64px; }
  .brand span { display: none; }
  .nav-links { gap: 0; }
  .nav-links a { padding: 8px; font-size: .9rem; }
  .hero { padding: 64px 0 70px; }
  .hero-inner, .content { width: min(100% - 28px, 920px); }
  .grid { grid-template-columns: 1fr; }
  .article { border-radius: 16px; }
}