.interior-hero {
  color: #fff;
  background: linear-gradient(120deg, var(--navy-950), #0a4f8d);
  padding: clamp(54px, 6vw, 82px) clamp(24px, 6vw, 104px);
}

.interior-hero > div {
  max-width: 920px;
}

.interior-hero .eyebrow {
  color: #7cc7fb;
  margin-bottom: 12px;
}

.interior-hero h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(38px, 4.6vw, 66px);
  line-height: 1.03;
  letter-spacing: -.045em;
}

.interior-hero p:last-child {
  max-width: 760px;
  margin: 20px 0 0;
  color: #c5d7e6;
  font-size: 16px;
  line-height: 1.7;
}

.route-intro,
.resource-section,
.about-section {
  padding: clamp(58px, 6vw, 88px) clamp(24px, 6vw, 104px);
}

.resource-grid,
.about-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  max-width: 1180px;
  margin: 0 auto;
}

.resource-card,
.about-card {
  min-height: 220px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 14px 34px #06294c12;
}

.resource-card span,
.about-card span {
  color: var(--blue-600);
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: 10px;
  font-weight: 900;
}

.resource-card h2,
.about-card h2 {
  margin: 12px 0 0;
  color: var(--navy-900);
  font-size: 22px;
}

.resource-card p,
.about-card p {
  margin: 14px 0 22px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

.site-menu {
  display: none;
  position: relative;
}

.site-menu summary {
  cursor: pointer;
  list-style: none;
  color: var(--navy-900);
  border: 1px solid #aebfce;
  border-radius: 5px;
  padding: 9px 12px;
  font-size: 12px;
  font-weight: 800;
}

.site-menu summary::-webkit-details-marker {
  display: none;
}

.site-menu div {
  position: absolute;
  z-index: 50;
  top: calc(100% + 8px);
  right: 0;
  width: 230px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  box-shadow: 0 18px 40px #06294c29;
}

.site-menu a {
  display: block;
  padding: 10px 11px;
  color: #334b63;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 700;
}

.site-menu a:hover,
.site-menu a:focus-visible {
  color: var(--navy-900);
  background: #e8f1f8;
}

.page-current {
  color: var(--blue-600) !important;
}

@media (width <= 1400px) {
  .site-menu {
    display: block;
  }

  .site-header .header-actions {
    gap: 10px;
  }
}

@media (width <= 760px) {
  .site-menu summary {
    padding: 8px 10px;
    font-size: 11px;
  }

  .site-menu div {
    position: fixed;
    top: 68px;
    right: 12px;
    left: 12px;
    width: auto;
  }

  .interior-hero,
  .route-intro,
  .resource-section,
  .about-section {
    padding-right: 20px;
    padding-left: 20px;
  }

  .resource-grid,
  .about-grid {
    grid-template-columns: 1fr;
  }

  .header-actions .sign-in {
    display: none;
  }
}