:root {
  --ink: #15222b;
  --muted: #5a6c77;
  --line: #d8e2e6;
  --panel: #f6faf9;
  --sea: #0f766e;
  --coral: #d85c48;
  --gold: #d49a2f;
  --night: #172a36;
  --shadow: 0 18px 44px rgba(21, 34, 43, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px clamp(18px, 4vw, 48px);
  border-bottom: 1px solid rgba(216, 226, 230, 0.82);
  background: rgba(251, 253, 252, 0.92);
  backdrop-filter: blur(14px);
}

.brand {
  font-weight: 900;
  text-decoration: none;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 750;
}

nav a {
  text-decoration: none;
}

.translate-control {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 32px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 750;
}

.translate-control select {
  width: auto;
  min-height: 32px;
  padding: 4px 7px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 13px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: center;
  min-height: calc(100vh - 70px);
  padding: clamp(34px, 7vw, 86px) clamp(18px, 5vw, 72px) clamp(28px, 5vw, 58px);
  background:
    radial-gradient(circle at 80% 15%, rgba(212, 154, 47, 0.22), transparent 32%),
    linear-gradient(135deg, #f6faf9 0%, #eef7f4 48%, #fdf8ef 100%);
}

.kicker {
  margin: 0 0 10px;
  color: var(--sea);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 780px;
  margin-bottom: 18px;
  font-size: clamp(42px, 8vw, 86px);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 10px;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.05;
  letter-spacing: 0;
}

.hero p {
  max-width: 720px;
  color: #314650;
  font-size: 19px;
}

.hero-actions,
.booking-links,
.preset-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-actions a,
.booking-links a,
.route-report button,
.preset-actions button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 15px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.hero-actions .primary-action,
.booking-links a:first-child,
.route-report button {
  background: var(--coral);
  border-color: var(--coral);
  color: #fff;
}

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

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

.route-report button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.globe-shell {
  position: relative;
  min-height: 520px;
  overflow: hidden;
}

#globeCanvas {
  display: block;
  width: 100%;
  max-width: 680px;
  aspect-ratio: 1;
  margin: 0 auto;
  border-radius: 50%;
  background: #e8f6f3;
  cursor: grab;
  touch-action: none;
  user-select: none;
}

#globeCanvas:active {
  cursor: grabbing;
}

.globe-tooltip {
  position: absolute;
  z-index: 3;
  min-width: 112px;
  max-width: 190px;
  padding: 7px 9px;
  border: 1px solid rgba(255, 255, 255, 0.46);
  border-radius: 8px;
  background: rgba(21, 34, 43, 0.92);
  color: #fff;
  font-size: 12px;
  font-weight: 850;
  pointer-events: none;
  transform: translate(-50%, calc(-100% - 12px));
  box-shadow: var(--shadow);
}

.globe-card {
  position: absolute;
  right: 8%;
  bottom: 8%;
  max-width: min(360px, 80%);
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 8px;
  background: rgba(23, 42, 54, 0.9);
  color: #fff;
  box-shadow: var(--shadow);
}

.globe-card span {
  display: block;
  margin-bottom: 4px;
  color: #f4c36f;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.planner-panel,
.section-shell {
  width: min(1180px, calc(100% - 36px));
  margin: clamp(32px, 6vw, 76px) auto;
}

.planner-panel {
  display: grid;
  gap: 18px;
  padding: clamp(22px, 4vw, 36px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.panel-intro {
  max-width: 820px;
}

.route-controls,
.stop-builder,
.onward-controls {
  display: grid;
  gap: 12px;
  align-items: end;
}

.route-controls {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.route-controls > label {
  grid-column: span 2;
}

label,
legend {
  color: var(--muted);
  font-size: 13px;
  font-weight: 850;
}

label {
  display: grid;
  gap: 7px;
}

fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

input,
textarea,
select {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  background: #fff;
  color: var(--ink);
  font: inherit;
}

input[type="radio"] {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  min-height: 0;
  margin: 0;
  padding: 0;
  border: 0;
  accent-color: var(--sea);
}

textarea {
  min-height: 112px;
  resize: vertical;
}

.segmented {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.segmented label {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 6px;
  min-width: 0;
  min-height: 38px;
  padding: 7px 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font-size: 13px;
  line-height: 1.1;
  white-space: nowrap;
}

.segmented label:has(input:checked) {
  border-color: rgba(15, 118, 110, 0.45);
  background: #eef8f5;
}

.segmented span {
  overflow: hidden;
  text-overflow: ellipsis;
}

.short-text {
  display: none;
}

.fine-print {
  margin: -8px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.stop-builder {
  grid-template-columns: minmax(300px, 1fr) minmax(220px, 0.42fr);
  align-items: end;
}

.preset-actions {
  align-content: end;
}

.preset-actions button {
  flex: 1 1 128px;
  min-height: 40px;
  padding: 8px 12px;
}

.airport-picker {
  display: grid;
  grid-template-columns: minmax(260px, 0.42fr) minmax(320px, 1fr);
  gap: 18px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.airport-picker h2 {
  font-size: clamp(24px, 3vw, 34px);
}

.airport-picker p {
  color: var(--muted);
}

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

.airport-chip-group {
  min-width: 0;
}

.airport-chip-group h3 {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.airport-chip-group div {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.airport-chip-group button {
  display: inline-grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 6px;
  max-width: 190px;
  min-height: 34px;
  padding: 6px 8px;
  border: 1px solid #d9e3e0;
  border-radius: 8px;
  background: #f9fbfa;
  color: var(--ink);
  font: inherit;
  cursor: pointer;
}

.airport-chip-group button:hover,
.airport-chip-group button:focus-visible {
  border-color: var(--sea);
  outline: 0;
  background: #eef8f5;
}

.airport-chip-group button.is-selected,
.airport-chip-group button.is-origin {
  border-color: #ccd7d5;
  background: #eef2f1;
  color: #75838b;
  opacity: 0.72;
}

.airport-chip-group button.is-return {
  border-color: rgba(216, 92, 72, 0.5);
  background: #fff5f2;
  color: var(--ink);
  opacity: 1;
}

.airport-chip-group button.is-selected:hover,
.airport-chip-group button.is-origin:hover,
.airport-chip-group button.is-selected:focus-visible,
.airport-chip-group button.is-origin:focus-visible {
  border-color: #aebebb;
  background: #e5ecea;
}

.airport-chip-group button.is-return:hover,
.airport-chip-group button.is-return:focus-visible {
  border-color: var(--coral);
  background: #fff0ec;
}

.airport-chip-group strong {
  color: var(--coral);
  font-size: 12px;
  font-weight: 950;
}

.airport-chip-group button.is-selected strong,
.airport-chip-group button.is-origin strong {
  color: #6b787f;
}

.airport-chip-group button.is-return strong {
  color: var(--coral);
}

.airport-chip-group span {
  overflow: hidden;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.airport-chip-group em {
  display: none;
  grid-column: 1 / -1;
  color: #6b787f;
  font-size: 11px;
  font-style: normal;
  font-weight: 900;
  text-transform: uppercase;
}

.airport-chip-group button.is-selected em,
.airport-chip-group button.is-origin em {
  display: block;
}

.route-output {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.route-map-card,
.route-report {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.route-map-card {
  overflow: hidden;
}

#miniMapCanvas {
  display: block;
  width: 100%;
  aspect-ratio: 21 / 9;
}

.route-report {
  padding: 18px;
}

.status-badge {
  display: inline-flex;
  margin-bottom: 10px;
  padding: 6px 9px;
  border-radius: 8px;
  background: #eaf4f2;
  color: var(--sea);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin: 16px 0;
}

.metrics div {
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.metrics dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
}

.metrics dd {
  margin: 4px 0 0;
  font-size: 21px;
  font-weight: 900;
}

.itinerary-list {
  margin: 0 0 16px;
  padding-left: 22px;
}

.itinerary-list li {
  margin: 6px 0;
}

.booking-links {
  padding-top: 4px;
}

.section-heading {
  margin-bottom: 20px;
}

.cards-grid,
.rule-grid,
.class-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.cards-grid article,
.rule-grid article,
.class-grid article,
details {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.cards-grid span {
  color: var(--gold);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.cards-grid h3,
.class-grid h3 {
  margin: 8px 0;
  font-size: 22px;
}

.cards-grid p,
.rule-grid p,
.class-grid p,
details p {
  margin-bottom: 0;
  color: var(--muted);
}

.rule-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

details {
  margin-bottom: 10px;
}

summary {
  cursor: pointer;
  font-weight: 900;
}

footer {
  padding: 32px clamp(18px, 5vw, 72px);
  border-top: 1px solid var(--line);
  color: var(--muted);
}

@media (max-width: 920px) {
  .hero,
  .route-output,
  .route-controls,
  .stop-builder,
  .airport-picker {
    grid-template-columns: 1fr;
  }

  .route-controls > label,
  .route-controls > fieldset {
    grid-column: auto;
  }

  .hero {
    min-height: auto;
  }

  .globe-shell {
    min-height: 420px;
  }

  .cards-grid,
  .rule-grid,
  .class-grid,
  .airport-chips {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 620px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  h1 {
    font-size: 40px;
  }

  .globe-shell {
    min-height: 330px;
  }

  .metrics,
  .cards-grid,
  .rule-grid,
  .class-grid,
  .airport-chips {
    grid-template-columns: 1fr;
  }

  .planner-panel {
    width: min(100% - 20px, 1180px);
    padding: 16px;
  }

  #miniMapCanvas {
    aspect-ratio: 4 / 3;
  }

  .route-controls {
    gap: 10px;
  }

  .route-controls fieldset {
    width: 100%;
    overflow: hidden;
  }

  .segmented {
    gap: 6px;
  }

  .segmented label {
    justify-content: center;
    min-height: 38px;
    padding: 8px 6px;
    gap: 5px;
    font-size: 14px;
  }

  .segmented input {
    width: auto;
    min-height: 0;
    margin: 0;
  }

  .segmented .full-text {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .segmented .short-text {
    display: inline-block;
    min-width: 1.2em;
    text-align: center;
    font-weight: 950;
  }
}