.route-intro {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border-soft);
  background: var(--color-canvas);
}

.route-intro::before {
  position: absolute;
  inset: 0 auto 0 var(--gutter);
  width: 1px;
  background: var(--color-line-faint);
  content: "";
}

.route-intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(500px, 1.08fr);
  gap: clamp(34px, 6vw, 90px);
  min-height: 690px;
  align-items: center;
  padding-top: clamp(68px, 8vw, 112px);
  padding-bottom: clamp(68px, 8vw, 112px);
}

.route-intro-copy {
  position: relative;
  z-index: 2;
}

.route-intro-copy .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 32px;
  margin-bottom: 24px;
  padding: 0 13px 0 8px;
  border: 1px solid var(--color-dark-faint);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 650;
}

.route-intro-copy .eyebrow-dot {
  display: grid;
  width: 18px;
  height: 18px;
  place-items: center;
  border-radius: var(--radius-pill);
  background: var(--color-success);
  flex-shrink: 0;
}

.route-intro-copy .eyebrow-dot::after {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-pill);
  background: var(--color-white);
  content: "";
}

.route-intro h1 {
  max-width: 570px;
  margin-bottom: 25px;
}

.route-intro-lead {
  max-width: 620px;
  margin-bottom: 30px;
  color: var(--color-muted);
  font-size: clamp(18px, 1.8vw, 21px);
  line-height: 1.75;
}

.route-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 0;
  margin-top: 27px;
  padding-top: 18px;
  border-top: 1px solid var(--color-border);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.route-trust span {
  display: inline-flex;
  align-items: center;
}

.route-trust span + span::before {
  width: 4px;
  height: 4px;
  margin: 0 11px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  content: "";
}

.route-atlas {
  position: relative;
  min-height: 548px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
}

.route-atlas::before {
  position: absolute;
  inset: 18px;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  content: "";
}

.route-atlas-label {
  position: absolute;
  top: 32px;
  left: 36px;
  z-index: 2;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.route-atlas-graphic {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 500px;
}

.atlas-sun {
  fill: var(--color-sun);
}

.atlas-orbit {
  fill: none;
  stroke: var(--color-text);
  stroke-dasharray: 5 8;
  stroke-linecap: round;
  stroke-width: 2;
}

.atlas-orbit-secondary {
  stroke: var(--color-accent-dark);
}

.atlas-orbit-short {
  stroke: var(--color-muted);
}

.atlas-region rect {
  fill: var(--color-blue-panel);
  stroke: var(--color-text);
  stroke-width: 2;
}

.atlas-region-asia rect,
.atlas-region-other rect {
  fill: var(--color-green-panel);
}

.atlas-region text {
  fill: var(--color-text);
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 780;
}

.atlas-region .atlas-small {
  fill: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 650;
  letter-spacing: 0.06em;
}

.atlas-node {
  fill: var(--color-panel-deep);
  stroke: var(--color-white);
  stroke-width: 4;
}

.atlas-node-accent {
  fill: var(--color-accent);
  transform-box: fill-box;
  transform-origin: center;
  animation: atlas-pulse 3.8s ease-in-out infinite;
}

.route-atlas-note {
  position: absolute;
  right: 38px;
  bottom: 30px;
  left: 38px;
  z-index: 2;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 10px;
}

.route-atlas-axis {
  border-top: 1px solid var(--color-border);
}

.route-fact-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 28px;
  border: 1px solid var(--color-light-line);
  border-radius: var(--radius-md);
}

.route-fact-strip div {
  display: grid;
  gap: 4px;
  padding: 22px 24px;
}

.route-fact-strip div + div {
  border-left: 1px solid var(--color-light-line);
}

.route-fact-strip strong {
  color: var(--color-white);
  font-family: var(--font-display);
  font-size: 22px;
}

.route-fact-strip span {
  color: var(--color-light-faint);
  font-family: var(--font-mono);
  font-size: 11px;
}

.route-table-shell {
  border-color: var(--color-light-line);
}

.route-table-note {
  max-width: 920px;
  margin: 21px 0 0;
  color: var(--color-light-faint);
  font-size: 14px;
}

.route-type-ledger {
  display: grid;
  border-top: 1px solid var(--color-border);
}

.route-type-entry {
  display: grid;
  grid-template-columns: minmax(150px, 0.3fr) minmax(0, 1fr);
  gap: clamp(28px, 6vw, 84px);
  padding-top: clamp(34px, 5vw, 62px);
  padding-bottom: clamp(34px, 5vw, 62px);
  border-bottom: 1px solid var(--color-border);
}

.route-type-index {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.route-type-index span {
  margin-bottom: 10px;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.08em;
}

.route-type-index strong {
  position: relative;
  display: inline-flex;
  padding: 8px 13px;
  border: 1px solid var(--color-text);
  border-radius: var(--radius-xs);
  background: var(--color-blue-panel);
  font-size: 25px;
}

.route-type-entry-featured .route-type-index strong {
  background: var(--color-accent);
  color: var(--color-white);
}

.route-type-copy {
  max-width: 800px;
}

.route-type-copy h3 {
  font-size: clamp(25px, 3vw, 34px);
}

.route-type-copy p {
  color: var(--color-muted);
}

.route-type-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 21px;
}

.use-route-board {
  display: grid;
  border-top: 1px solid var(--color-border);
}

.use-route-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 64px minmax(230px, 0.48fr);
  align-items: stretch;
  border-bottom: 1px solid var(--color-border);
}

.use-route-purpose,
.use-route-answer {
  padding-top: 36px;
  padding-bottom: 36px;
}

.use-route-purpose {
  padding-right: clamp(10px, 3vw, 38px);
}

.use-route-purpose h3 {
  margin-bottom: 10px;
}

.use-route-purpose p,
.use-route-answer p {
  margin-bottom: 0;
  color: var(--color-muted);
}

.use-route-mark {
  display: inline-block;
  margin-bottom: 16px;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.08em;
}

.use-route-axis {
  position: relative;
}

.use-route-axis::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  border-left: 1px dashed var(--color-border);
  content: "";
}

.use-route-axis::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 11px;
  height: 11px;
  border: 2px solid var(--color-canvas);
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  content: "";
  transform: translate(-50%, -50%);
}

.use-route-answer {
  align-self: center;
  padding-left: clamp(10px, 3vw, 38px);
}

.use-route-answer strong {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
}

.route-method-grid {
  display: grid;
  grid-template-columns: minmax(270px, 0.58fr) minmax(0, 1fr);
  gap: clamp(42px, 8vw, 110px);
  align-items: start;
}

.route-method-grid .section-heading {
  position: sticky;
  top: 98px;
  margin-bottom: 0;
}

.route-method-list {
  display: grid;
}

.route-method-list article {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 24px;
  padding-top: 31px;
  padding-bottom: 31px;
  border-top: 1px solid var(--color-border);
}

.route-method-list article:last-child {
  border-bottom: 1px solid var(--color-border);
}

.route-method-key {
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.06em;
}

.route-method-list h3 {
  font-size: 23px;
}

.route-method-list p {
  margin-bottom: 0;
  color: var(--color-muted);
}

.condition-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--color-light-line);
  border-left: 1px solid var(--color-light-line);
}

.condition-grid article {
  min-height: 250px;
  padding: clamp(25px, 4vw, 42px);
  border-right: 1px solid var(--color-light-line);
  border-bottom: 1px solid var(--color-light-line);
}

.condition-grid h3 {
  color: var(--color-white);
}

.condition-grid p {
  margin-bottom: 0;
  color: var(--color-light-faint);
}

.route-summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  margin-top: 38px;
  padding: clamp(26px, 4vw, 42px);
  border-radius: var(--radius-md);
  background: var(--color-blue-panel);
  color: var(--color-text);
}

.route-summary-label {
  display: block;
  margin-bottom: 8px;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 750;
}

.route-summary strong {
  display: block;
  margin-bottom: 6px;
  font-size: clamp(25px, 3vw, 36px);
}

.route-summary p {
  margin-bottom: 0;
  color: var(--color-muted);
}

@keyframes atlas-pulse {
  0%,
  100% {
    opacity: 0.78;
    transform: scale(0.9);
  }

  50% {
    opacity: 1;
    transform: scale(1);
  }
}

@media (max-width: 1000px) {
  .route-intro-grid {
    grid-template-columns: 1fr;
  }

  .route-atlas {
    min-height: 500px;
  }

  .route-method-grid {
    grid-template-columns: 1fr;
  }

  .route-method-grid .section-heading {
    position: static;
  }
}

@media (max-width: 768px) {
  .route-intro-grid {
    min-height: 0;
    padding-top: 64px;
    padding-bottom: 72px;
  }

  .route-atlas {
    min-height: 430px;
  }

  .route-atlas-graphic {
    height: 420px;
  }

  .route-fact-strip {
    grid-template-columns: 1fr;
  }

  .route-fact-strip div + div {
    border-top: 1px solid var(--color-light-line);
    border-left: 0;
  }

  .route-type-entry {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .use-route-row {
    grid-template-columns: 1fr;
  }

  .use-route-purpose {
    padding-right: 0;
  }

  .use-route-axis {
    height: 28px;
  }

  .use-route-axis::before {
    top: 50%;
    right: 0;
    bottom: auto;
    left: 0;
    border-top: 1px dashed var(--color-border);
    border-left: 0;
  }

  .use-route-answer {
    padding-top: 20px;
    padding-bottom: 36px;
    padding-left: 0;
  }

  .condition-grid {
    grid-template-columns: 1fr;
  }

  .route-summary {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .route-intro-copy .eyebrow {
    max-width: 100%;
  }

  .route-trust {
    display: grid;
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .route-trust span + span::before {
    display: none;
  }

  .route-atlas {
    min-height: 360px;
  }

  .route-atlas::before {
    inset: 10px;
  }

  .route-atlas-label {
    display: none;
  }

  .route-atlas-graphic {
    height: 345px;
    transform: scale(1.18);
    transform-origin: center;
  }

  .route-atlas-note {
    right: 20px;
    bottom: 16px;
    left: 20px;
  }

  .route-method-list article {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .condition-grid article {
    min-height: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .atlas-node-accent {
    animation: none;
  }
}