:root {
  --bg: #f7faf7;
  --ink: #18302f;
  --muted: #5d6f6a;
  --line: #d9e5df;
  --teal: #0b6b68;
  --green: #4f8f5b;
  --gold: #c08a2c;
  --white: #fff;
  --soft: #edf5f0;
  --shadow: 0 18px 50px rgba(24, 48, 47, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(79, 143, 91, .16), transparent 34rem),
    linear-gradient(180deg, #fff 0%, var(--bg) 42%, #fff 100%);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
}
a { color: inherit; text-decoration: none; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 76px;
  padding: .85rem clamp(1rem, 5vw, 4rem);
  border-bottom: 1px solid rgba(217, 229, 223, .9);
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(16px);
}
.brand { display: inline-flex; align-items: center; gap: .8rem; min-width: 0; }
.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  place-items: center;
  border-radius: 8px;
  background: var(--teal);
  color: var(--white);
  font-weight: 800;
}
.brand strong, .brand small { display: block; line-height: 1.1; }
.brand strong { font-size: 1rem; }
.brand small { margin-top: .2rem; color: var(--muted); font-size: .78rem; }

.desktop-nav { display: flex; align-items: center; gap: .25rem; color: var(--muted); font-size: .94rem; }
.desktop-nav a { border-radius: 6px; padding: .7rem .85rem; }
.desktop-nav a:hover, .desktop-nav a:focus-visible { background: var(--soft); color: var(--teal); outline: none; }

.hamburger {
  display: none;
  width: 44px;
  height: 44px;
  cursor: pointer;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}
.hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  background: var(--ink);
}
.mobile-nav {
  position: absolute;
  top: calc(100% + .65rem);
  right: 1rem;
  display: grid;
  min-width: min(78vw, 310px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}
.mobile-nav a { padding: 1rem; border-bottom: 1px solid var(--line); }
.mobile-nav a:last-child { border-bottom: 0; }
.mobile-nav[hidden] { display: none; }

main { width: min(1180px, calc(100% - 2rem)); margin: 0 auto; }
.hero, .sub-hero {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  padding: clamp(3rem, 8vw, 6.5rem) 0 clamp(2rem, 5vw, 4rem);
}
.hero { grid-template-columns: minmax(0, 1.08fr) minmax(310px, .92fr); }
.sub-hero { max-width: 900px; }
.eyebrow {
  margin: 0 0 .75rem;
  color: var(--gold);
  font-size: .78rem;
  font-weight: 800;
  text-transform: uppercase;
}
h1, h2, h3, p { overflow-wrap: anywhere; }
h1 { max-width: 980px; margin: 0; font-size: clamp(2.5rem, 7vw, 5.8rem); line-height: .96; }
h2 { margin: 0 0 1rem; font-size: clamp(1.45rem, 3vw, 2.4rem); line-height: 1.08; }
p { color: var(--muted); font-size: 1.02rem; line-height: 1.72; }
.hero-lede, .sub-hero > p { max-width: 760px; margin: 1.2rem 0 0; color: #3d5652; font-size: clamp(1.08rem, 2vw, 1.35rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.5rem; }
.hero-actions a {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  border: 1px solid var(--teal);
  border-radius: 8px;
  padding: .75rem 1rem;
  background: var(--teal);
  color: var(--white);
  font-weight: 700;
}
.hero-actions a + a { background: var(--white); color: var(--teal); }

.hero-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .8rem;
  padding: clamp(1rem, 2vw, 1.4rem);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(145deg, rgba(11, 107, 104, .92), rgba(79, 143, 91, .86));
  box-shadow: var(--shadow);
}
.hero-panel span {
  min-height: 88px;
  display: flex;
  align-items: end;
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 8px;
  padding: .8rem;
  background: rgba(255, 255, 255, .1);
  color: var(--white);
  font-weight: 800;
}

.notice, .content-grid, .route-section, .departments, .faq, .article-layout { margin: clamp(1.75rem, 5vw, 4rem) 0; }
.notice {
  display: flex;
  gap: .75rem;
  align-items: flex-start;
  border-left: 5px solid var(--gold);
  border-radius: 8px;
  padding: 1rem 1.1rem;
  background: #fff8ea;
  color: #5b4320;
}
.notice span { line-height: 1.6; }
.content-grid, .article-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, 360px); gap: 1.25rem; align-items: start; }
.article-card, .side-card, .route-card, .faq details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, .92);
  box-shadow: 0 12px 34px rgba(24, 48, 47, .07);
}
.article-card, .side-card { padding: clamp(1.1rem, 3vw, 2rem); }
.article-card section + section { margin-top: 2rem; padding-top: 2rem; border-top: 1px solid var(--line); }
.side-card { position: sticky; top: 96px; }
.side-card h2 { font-size: 1.25rem; }
.side-card ul { margin: 0; padding: 0; list-style: none; }
.side-card li { padding: .85rem 0; border-bottom: 1px solid var(--line); color: var(--muted); line-height: 1.5; }
.side-card li:last-child { border-bottom: 0; }
.route-grid, .department-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
.route-card { display: grid; min-height: 210px; align-content: space-between; gap: 1rem; padding: 1.1rem; transition: transform .16s ease, border-color .16s ease; }
.route-card:hover, .route-card:focus-visible { transform: translateY(-3px); border-color: var(--teal); outline: none; }
.route-card span, .route-card small { color: var(--muted); font-size: .86rem; }
.route-card strong { font-size: 1.12rem; line-height: 1.25; }
.department-grid div {
  min-height: 118px;
  display: flex;
  align-items: end;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1rem;
  background: var(--soft);
  color: #294540;
  font-weight: 700;
  line-height: 1.35;
}
.faq-list { display: grid; gap: .75rem; }
.faq details { padding: .2rem 1rem; }
.faq summary { cursor: pointer; padding: 1rem 0; font-weight: 800; }
.faq details p { margin-top: 0; }
.compact { max-width: 920px; }

.site-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 440px);
  gap: 1rem;
  margin-top: 4rem;
  padding: 2rem clamp(1rem, 5vw, 4rem);
  border-top: 1px solid var(--line);
  background: #17312f;
  color: var(--white);
}
.site-footer p { margin: .5rem 0 0; color: rgba(255, 255, 255, .78); }
.site-footer .footer-disclaimer { align-self: end; color: var(--white); text-align: right; }

@media (max-width: 980px) {
  .desktop-nav { display: none; }
  .hamburger { display: block; }
  .hero, .content-grid, .article-layout, .site-footer { grid-template-columns: 1fr; }
  .side-card { position: static; }
  .route-grid, .department-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .site-footer .footer-disclaimer { text-align: left; }
}
@media (max-width: 620px) {
  .site-header { min-height: 68px; padding-inline: 1rem; }
  .brand strong { font-size: .94rem; }
  .brand small { font-size: .72rem; }
  main { width: min(100% - 1rem, 1180px); }
  h1 { font-size: 2.45rem; }
  .hero-panel, .route-grid, .department-grid { grid-template-columns: 1fr; }
  .hero-panel span, .department-grid div { min-height: 82px; }
  .notice { display: block; }
}