:root {
  --ink: #102027;
  --ink-soft: #33464d;
  --paper: #fbfbf7;
  --surface: #ffffff;
  --line: #d8dfdc;
  --teal: #247c72;
  --teal-dark: #15544e;
  --amber: #f0b84b;
  --coral: #d86f55;
  --sky: #d9eef2;
  --shadow: 0 18px 55px rgba(16, 32, 39, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

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

img {
  max-width: 100%;
  display: block;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid rgba(16, 32, 39, 0.09);
  background: rgba(251, 251, 247, 0.94);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  display: inline-grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 8px;
  background: var(--ink);
  color: var(--amber);
  font-size: 0.82rem;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.nav a,
.footer-links a,
.breadcrumbs a {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
}

.hero {
  position: relative;
  min-height: calc(100vh - 240px);
  display: grid;
  align-items: end;
  padding: clamp(28px, 6vw, 76px);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(16, 32, 39, 0.88), rgba(16, 32, 39, 0.5) 45%, rgba(16, 32, 39, 0.08)),
    url("/images/airport-hero.png");
  background-size: cover;
  background-position: center;
}

.hero-content {
  position: relative;
  width: min(1080px, 100%);
  color: #fff;
}

.hero h1 {
  max-width: 780px;
  margin: 0 0 18px;
  font-size: clamp(2.45rem, 7vw, 5.65rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 670px;
  margin: 0 0 28px;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1rem, 2vw, 1.25rem);
}

.search-box {
  display: grid;
  grid-template-columns: minmax(150px, 1fr) minmax(150px, 1fr) minmax(140px, 0.72fr) auto;
  gap: 10px;
  width: min(980px, 100%);
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.36);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow);
}

.search-box-compact {
  grid-template-columns: repeat(3, minmax(140px, 1fr)) auto;
  box-shadow: none;
  border-color: var(--line);
}

.search-box-round-trip {
  grid-template-columns: minmax(140px, 1fr) minmax(140px, 1fr) minmax(130px, 0.7fr) minmax(130px, 0.7fr) auto;
}

.search-box-compact.search-box-round-trip {
  grid-template-columns: repeat(4, minmax(128px, 1fr)) auto;
}

.field {
  min-width: 0;
}

.field label {
  display: block;
  margin: 0 0 4px;
  color: var(--ink-soft);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
}

.field input {
  width: 100%;
  min-height: 48px;
  border: 1px solid #cfd8d5;
  border-radius: 6px;
  padding: 0 12px;
  color: var(--ink);
  font: inherit;
  background: #fff;
}

.field input[aria-invalid="true"] {
  border-color: var(--coral);
  box-shadow: 0 0 0 3px rgba(216, 111, 85, 0.16);
}

.field-error {
  display: block;
  min-height: 18px;
  margin: 5px 0 0;
  color: #a74430;
  font-size: 0.78rem;
  font-weight: 750;
}

.button-primary,
.button-secondary {
  display: inline-flex;
  min-width: 0;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  border: 1px solid transparent;
  padding: 0 18px;
  font-weight: 800;
  text-align: center;
  white-space: normal;
  cursor: pointer;
}

.button-primary {
  background: var(--amber);
  color: #241900;
}

.button-primary:hover {
  background: #dca63e;
  color: #241900;
}

.button-secondary {
  border-color: var(--line);
  background: #fff;
  color: var(--ink);
}

.button-secondary:hover {
  border-color: var(--teal);
}

.section {
  padding: clamp(42px, 7vw, 86px) clamp(18px, 4vw, 56px);
}

.section-inner {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.section-kicker,
.eyebrow {
  margin: 0 0 8px;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 850;
  text-transform: uppercase;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}

.section-heading h2,
.content-band h2 {
  margin: 0;
  font-size: clamp(1.7rem, 4vw, 3rem);
  line-height: 1.05;
  letter-spacing: 0;
}

.section-heading p {
  max-width: 560px;
  margin: 0;
  color: var(--ink-soft);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.route-card,
.airport-card,
.destination-card,
.info-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
  min-height: 230px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.route-card h3,
.airport-card h3,
.destination-card h3,
.info-card h3 {
  margin: 0 0 10px;
  font-size: 1.2rem;
  line-height: 1.2;
}

.route-card h3 a,
.airport-card h3 a,
.destination-card h3 a,
.info-card h3 a {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
}

.route-card p,
.airport-card p,
.destination-card p,
.info-card p {
  margin: 0;
  color: var(--ink-soft);
}

.route-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.destination-grid {
  align-items: stretch;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.pill-link {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 12px;
  background: #f8fbfa;
  color: var(--ink-soft);
  font-size: 0.9rem;
  font-weight: 700;
}

.pill-link:hover {
  border-color: var(--teal);
  color: var(--teal-dark);
}

.mini-label {
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 850;
  text-transform: uppercase;
}

.mini-label a {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
}

.stat-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.stat-strip div {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.stat-strip strong,
.stat-strip span {
  display: block;
}

.stat-strip strong {
  font-size: 1.7rem;
  line-height: 1;
}

.stat-strip span {
  margin-top: 6px;
  color: var(--ink-soft);
}

.content-band {
  background: #fff;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.two-col {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(22px, 4vw, 56px);
  align-items: start;
}

.copy-stack > * + * {
  margin-top: 18px;
}

.fact-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.fact-list li {
  padding: 14px 16px;
  border-left: 4px solid var(--coral);
  background: #fff8f4;
}

.muted {
  color: var(--ink-soft);
}

.page-hero {
  padding: clamp(40px, 7vw, 92px) clamp(18px, 4vw, 56px);
  background: var(--sky);
}

.page-hero-inner {
  width: min(1120px, 100%);
  margin: 0 auto;
}

.page-hero h1 {
  max-width: 860px;
  margin: 0 0 16px;
  font-size: clamp(2rem, 5vw, 4.7rem);
  line-height: 1;
  letter-spacing: 0;
}

.page-hero p {
  max-width: 720px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.08rem;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.breadcrumbs a {
  color: var(--teal-dark);
  font-weight: 800;
}

.route-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 28px;
  align-items: start;
}

.route-layout > * {
  min-width: 0;
}

.side-panel {
  min-width: 0;
  position: sticky;
  top: 92px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.side-panel .search-box {
  grid-template-columns: 1fr;
  margin-top: 12px;
}

.side-panel .button-primary,
.side-panel .button-secondary {
  width: 100%;
}

.hot-cta {
  display: grid;
  gap: 12px;
  border-color: rgba(36, 124, 114, 0.28) !important;
  background: #f5fbf9 !important;
}

.hot-cta .button-primary,
.hot-cta .button-secondary {
  width: fit-content;
}

.is-hidden {
  display: none !important;
}

.article-body {
  display: grid;
  min-width: 0;
  gap: 22px;
}

.article-body section {
  min-width: 0;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.article-body h2 {
  margin: 0 0 12px;
  font-size: 1.45rem;
}

.article-body p {
  margin: 0;
  color: var(--ink-soft);
}

.fact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
}

.fact-grid div {
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fbfa;
}

.fact-grid dt {
  margin: 0 0 6px;
  color: var(--teal);
  font-size: 0.76rem;
  font-weight: 850;
  text-transform: uppercase;
}

.fact-grid dd {
  margin: 0;
  color: var(--ink);
  font-weight: 750;
}

.check-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  padding: 14px 16px;
  border-left: 4px solid var(--teal);
  background: #f8fbfa;
  color: var(--ink-soft);
}

.theme-list {
  display: grid;
  gap: 10px;
}

.theme-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fbfa;
}

.theme-row span {
  color: var(--ink-soft);
  font-weight: 750;
}

.theme-row strong {
  display: inline-grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 999px;
  background: var(--teal);
  color: #fff;
}

.planning-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.planning-card {
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fbfa;
}

.planning-card p:last-child {
  margin-top: 8px;
}

.planning-card h3 {
  margin: 8px 0 8px;
  color: var(--ink);
  font-size: 1.08rem;
  line-height: 1.25;
}

.fare-recheck-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 16px;
}

.comparison-list,
.faq-stack {
  display: grid;
  gap: 10px;
}

.comparison-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fbfa;
}

.comparison-row span {
  color: var(--ink);
  font-weight: 800;
}

.comparison-row strong {
  color: var(--teal-dark);
  font-size: 0.86rem;
  text-align: right;
}

.destination-matrix-row {
  align-items: flex-start;
}

.destination-matrix-row .pill-row {
  width: 100%;
  margin-top: 0;
}

.compact-list {
  width: 100%;
  margin-top: 0;
}

.compact-list .comparison-row {
  background: #fff;
}

.faq-stack details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fbfa;
}

.faq-stack summary {
  cursor: pointer;
  padding: 14px 16px;
  color: var(--ink);
  font-weight: 850;
}

.faq-stack details p {
  padding: 0 16px 16px;
}

.fare-context-grid {
  margin-top: 16px;
}

.snapshot-list {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.snapshot-row {
  display: grid;
  grid-template-columns: minmax(120px, 0.8fr) minmax(80px, 0.45fr) minmax(120px, 1fr);
  gap: 12px;
  align-items: center;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fbfa;
}

.snapshot-row span {
  color: var(--teal);
  font-size: 0.82rem;
  font-weight: 850;
  text-transform: uppercase;
}

.snapshot-row strong {
  color: var(--ink);
  font-size: 1.25rem;
}

.snapshot-row em {
  color: var(--ink-soft);
  font-style: normal;
  font-weight: 700;
}

.fare-detail-block {
  display: grid;
  gap: 12px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.fare-detail-block h3 {
  margin: 0;
  color: var(--ink);
  font-size: 1.05rem;
}

.month-signal-list,
.signal-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
}

.signal-list {
  list-style: none;
}

.month-signal-row,
.signal-list li {
  display: grid;
  grid-template-columns: minmax(120px, 0.85fr) minmax(90px, 0.55fr) minmax(120px, 1fr);
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fbfa;
}

.signal-list li {
  grid-template-columns: minmax(120px, 0.8fr) minmax(160px, 1.2fr);
}

.month-signal-row span,
.signal-list strong {
  color: var(--teal);
  font-size: 0.82rem;
  font-weight: 850;
  text-transform: uppercase;
}

.month-signal-row strong {
  color: var(--ink);
  font-size: 1.1rem;
}

.month-signal-row em,
.signal-list span {
  color: var(--ink-soft);
  font-style: normal;
  font-weight: 700;
}

.text-link {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  margin-top: 12px;
  color: var(--teal-dark);
  font-weight: 850;
}

.fare-snapshots {
  display: grid;
  gap: 14px;
}

.fare-state,
.fare-empty {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fbfa;
}

.fare-empty p {
  flex: 1 1 220px;
  margin: 0;
}

.fare-spinner {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  border: 3px solid #d6e4e1;
  border-top-color: var(--teal);
  border-radius: 50%;
  animation: fare-spin 0.9s linear infinite;
}

.fare-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.fare-card {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 12px;
  min-height: 150px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fbfa;
}

.fare-card strong {
  display: block;
  margin: 4px 0;
  color: var(--ink);
  font-size: 2rem;
  line-height: 1;
}

.fare-card p {
  margin: 0;
  color: var(--ink-soft);
}

.fare-card .fare-date {
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 850;
  text-transform: uppercase;
}

.fare-note {
  font-size: 0.92rem;
}

@keyframes fare-spin {
  to {
    transform: rotate(360deg);
  }
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 34px clamp(18px, 4vw, 56px);
  border-top: 1px solid var(--line);
  background: var(--ink);
  color: #fff;
}

.site-footer p {
  max-width: 620px;
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.72);
}

.site-footer .footer-data-note {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.92rem;
  line-height: 1.55;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  color: rgba(255, 255, 255, 0.8);
}

@media (max-width: 900px) {
  .hero {
    min-height: auto;
  }

  .search-box,
  .search-box-compact,
  .search-box-round-trip,
  .search-box-compact.search-box-round-trip,
  .grid,
  .fare-grid,
  .planning-grid,
  .month-signal-row,
  .signal-list li,
  .snapshot-row,
  .stat-strip,
  .fact-grid,
  .two-col,
  .route-layout {
    grid-template-columns: 1fr;
  }

  .section-heading,
  .site-footer {
    align-items: start;
    flex-direction: column;
  }

  .side-panel {
    position: static;
    order: -1;
  }

  .article-body {
    order: 0;
  }

  .hot-cta .button-primary,
  .hot-cta .button-secondary {
    width: 100%;
  }
}

@media (max-width: 620px) {
  .topbar {
    align-items: stretch;
    flex-direction: column;
    gap: 10px;
    padding: 12px 16px 10px;
  }

  .nav {
    width: 100%;
    flex-wrap: nowrap;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 2px;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    -webkit-mask-image: linear-gradient(90deg, #000 calc(100% - 18px), transparent);
    mask-image: linear-gradient(90deg, #000 calc(100% - 18px), transparent);
  }

  .nav::-webkit-scrollbar {
    display: none;
  }

  .nav a {
    flex: 0 0 auto;
  }

  .hero {
    padding: 24px 16px;
  }

  .hero h1 {
    margin-bottom: 14px;
    font-size: clamp(2.1rem, 11vw, 3.2rem);
    line-height: 1.01;
  }

  .hero-copy {
    margin-bottom: 20px;
  }

  .search-box {
    gap: 8px;
  }

  .field input {
    min-height: 46px;
  }

  .button-primary,
  .button-secondary {
    width: 100%;
  }
}