:root {
  --ink: #0F2E2E;
  --petrol: #10454B;
  --petrol-light: #E8F1F0;
  --paper: #FAF8F4;
  --signal: #F4B400;
  --signal-deep: #C98A00;
  --line: #D9D3C7;
  --radius: 14px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Inter', system-ui, sans-serif;
  scroll-behavior: smooth;
}

h1, h2, .wordmark {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
}

a { color: inherit; }

/* Topbar */
.topbar {
  background: var(--petrol);
  color: var(--paper);
}
.topbar-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 24px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 12px;
}
.wordmark {
  font-size: 1.25rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--paper);
}
.wordmark .accent { color: var(--signal); }
.submit-link {
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--paper);
  opacity: 0.85;
  border: 1px solid rgba(250,248,244,0.35);
  padding: 8px 16px;
  border-radius: 999px;
}
.submit-link:hover { opacity: 1; }

/* Hero */
.hero {
  background: var(--petrol);
  color: var(--paper);
  padding: 24px 24px 24px;
  text-align: center;
}
.hero-inner {
  max-width: 640px;
  margin: 0 auto;
  opacity: 0;
  transform: translateY(10px);
  animation: heroIn 0.6s ease-out 0.05s forwards;
}
@keyframes heroIn {
  to { opacity: 1; transform: translateY(0); }
}
.hero h1 {
  font-size: clamp(1.6rem, 4vw, 2.1rem);
  line-height: 1.15;
  margin: 0 0 8px;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.hero-sub {
  font-size: 0.95rem;
  color: #CFE3E0;
  margin: 0 0 18px;
}
.search-form {
  display: flex;
  gap: 10px;
  max-width: 480px;
  margin: 0 auto;
}
.search-form input {
  flex: 1;
  padding: 14px 18px;
  border-radius: 999px;
  border: none;
  font-size: 1rem;
  font-family: inherit;
  background: var(--paper);
  color: var(--ink);
}
.search-form input:focus {
  outline: 3px solid var(--signal);
  outline-offset: 2px;
}
.search-form button {
  padding: 14px 26px;
  border-radius: 999px;
  border: none;
  background: var(--signal);
  color: var(--ink);
  font-weight: 600;
  font-family: inherit;
  font-size: 1rem;
  cursor: pointer;
}
.search-form button:hover { background: var(--signal-deep); }
.search-form button:focus-visible,
.filter-chip:focus-visible,
.submit-button:focus-visible,
.submit-link:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: 2px;
}

/* Ad slot */
.ad-728x90 {
  width: 728px;
  max-width: 100%;
  height: 90px;
  margin: 20px auto 0;
  background: #fff;
  border: 1px dashed var(--line);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #9AA6A4;
  font-size: 0.8rem;
}
.ad-topbar {
  margin: 0;
  height: 70px;
}

/* Filters */
.filters {
  background: var(--paper);
  padding: 16px 24px 4px;
}
.filters-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}
.filter-chip {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  padding: 9px 18px;
  border-radius: 999px;
  font-family: inherit;
  font-size: 0.9rem;
  cursor: pointer;
}
.filter-chip.active {
  background: var(--petrol);
  border-color: var(--petrol);
  color: var(--paper);
}

/* Map + list */
.map-list {
  max-width: 1100px;
  margin: 20px auto 0;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 20px;
}
.map-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
}
#map {
  height: 480px;
  width: 100%;
}
.list-wrap {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  max-height: 480px;
  overflow-y: auto;
}
.status-line {
  margin: 0;
  padding: 12px 16px;
  font-size: 0.82rem;
  color: #5B6B69;
}

.station-list {
  list-style: none;
  margin: 0;
  padding: 6px;
}
.station-card {
  padding: 14px 16px;
  border-radius: 10px;
  cursor: pointer;
  opacity: 0;
  transform: translateY(6px);
  animation: cardIn 0.35s ease-out forwards;
}
@keyframes cardIn {
  to { opacity: 1; transform: translateY(0); }
}
.station-card:hover { background: var(--petrol-light); }
.station-card h3 {
  margin: 0 0 4px;
  font-size: 1rem;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
}
.station-card p {
  margin: 0;
  font-size: 0.85rem;
  color: #5B6B69;
}
.station-tag {
  display: inline-block;
  margin-top: 8px;
  font-size: 0.72rem;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--signal);
  color: var(--ink);
  font-weight: 600;
}

/* Explainer */
.explainer {
  padding: 48px 24px;
  text-align: center;
}
.explainer-inner {
  max-width: 620px;
  margin: 0 auto;
}
.explainer h2 {
  font-size: 1.5rem;
  margin: 0 0 14px;
}
.explainer p {
  color: #4A5957;
  line-height: 1.65;
  margin: 0;
}

/* Submit */
.submit {
  background: var(--petrol-light);
  padding: 44px 24px;
  text-align: center;
}
.submit-inner {
  max-width: 480px;
  margin: 0 auto;
}
.submit h2 {
  font-size: 1.5rem;
  margin: 0 0 10px;
}
.submit p {
  color: #4A5957;
  margin: 0 0 22px;
}
.submit-button {
  display: inline-block;
  background: var(--petrol);
  color: var(--paper);
  text-decoration: none;
  padding: 14px 30px;
  border-radius: 999px;
  font-weight: 600;
}
.submit-button:hover { background: #0C3538; }

/* Footer */
.site-footer {
  padding: 30px 24px 40px;
  text-align: center;
}
.footer-inner a {
  text-decoration: none;
  font-size: 0.85rem;
  color: #6B7B79;
}

@media (max-width: 820px) {
  .map-list { grid-template-columns: 1fr; }
  #map { height: 340px; }
  .list-wrap { max-height: 340px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-inner, .station-card {
    animation: none;
    opacity: 1;
    transform: none;
  }
}