.site-header {
  background: var(--color-navy);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-sm);
}

.logo {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--color-white);
  letter-spacing: 0.5px;
}
.logo:hover { color: var(--color-white); }

.nav-list {
  display: flex;
  gap: var(--space-md);
  list-style: none;
  align-items: center;
}

.nav-list a {
  color: var(--color-white);
  font-weight: 500;
  padding-block: var(--space-xs);
}

.nav-list a[aria-current="page"] {
  border-bottom: 2px solid var(--color-red);
}

.nav-cta {
  background: var(--color-red);
  padding: 0.5rem 1.25rem !important;
  border-radius: var(--radius);
}
.nav-cta:hover { background: var(--color-red-dark); color: var(--color-white) !important; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-white);
  padding: var(--space-xs);
  z-index: 200;
}
.skip-link:focus { left: var(--space-sm); }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.section {
  padding-block: var(--space-xl);
}

.hero {
  background: linear-gradient(160deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
  color: var(--color-white);
  padding-block: var(--space-xl);
}

.hero-inner { max-width: 720px; }
.hero-lead { margin-block: var(--space-sm) var(--space-md); font-size: 1.125rem; color: #d8dde6; }
.hero-actions { display: flex; gap: var(--space-sm); flex-wrap: wrap; }

.band-dark {
  background: var(--color-black);
  color: var(--color-white);
}
.band-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
}
.band-inner h2 { color: var(--color-white); }
.band-inner p { color: #c7c9cd; max-width: 480px; }

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.site-footer {
  background: var(--color-navy);
  color: #b9c0cd;
  padding-block: var(--space-md);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
}
.footer-brand { color: var(--color-white); font-weight: 700; }
.footer-inner nav a { color: #b9c0cd; margin-left: var(--space-sm); }
.footer-inner nav a:hover { color: var(--color-white); }

@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-list {
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--color-navy);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-sm);
    display: none;
  }
  .nav-list.is-open { display: flex; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .band-inner { flex-direction: column; align-items: flex-start; }
}