.nodes-hero {
  position: relative;
  min-height: 680px;
  padding-top: 82px;
  padding-bottom: 84px;
  overflow-x: clip;
  border-bottom: 1px solid var(--color-border);
  isolation: isolate;
}

.nodes-hero::before {
  content: "";
  position: absolute;
  z-index: -3;
  top: -280px;
  left: 50%;
  width: 980px;
  height: 720px;
  transform: translateX(-50%);
  background: var(--gradient-atmosphere);
  opacity: 0.78;
}

.nodes-hero::after {
  content: "";
  position: absolute;
  z-index: -2;
  inset: 0;
  background-image: linear-gradient(var(--color-grid) 1px, var(--color-transparent) 1px), linear-gradient(90deg, var(--color-grid) 1px, var(--color-transparent) 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, var(--color-transparent), var(--color-text), var(--color-transparent));
  opacity: 0.5;
}

.nodes-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(440px, 1.1fr);
  align-items: center;
  gap: 62px;
}

.nodes-hero-copy {
  position: relative;
  z-index: 3;
}

.nodes-hero-copy .hero-eyebrow {
  margin-right: 0;
  margin-left: 0;
}

.nodes-hero-copy h1 {
  max-width: 620px;
  margin-bottom: 22px;
}

.nodes-hero-lead {
  max-width: 620px;
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: clamp(17px, 1.8vw, 21px);
  line-height: 1.72;
}

.nodes-hero .hero-actions {
  margin-top: 26px;
  justify-content: flex-start;
}

.nodes-facts {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.route-globe {
  position: relative;
  min-height: 470px;
  display: grid;
  place-items: center;
}

.route-globe::before {
  content: "";
  position: absolute;
  width: 390px;
  height: 390px;
  border: 1px solid var(--color-globe-soft);
  border-radius: var(--radius-pill);
  box-shadow: 0 0 0 38px var(--color-globe-soft), 0 0 0 76px var(--color-globe-soft);
}

.route-globe svg {
  position: relative;
  z-index: 2;
  width: 100%;
  color: var(--color-globe);
  overflow: visible;
}

.route-globe ellipse,
.route-globe path {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.2;
}

.route-globe .route-globe-path {
  stroke: var(--color-accent);
  stroke-width: 2;
  stroke-dasharray: 7 7;
}

.route-globe-point {
  fill: var(--color-panel);
  stroke: var(--color-accent);
  stroke-width: 3;
}

.globe-label {
  position: absolute;
  z-index: 3;
  min-width: 132px;
  padding: 13px 15px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  box-shadow: var(--shadow-panel);
}

.globe-label span {
  display: block;
  margin-bottom: 3px;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.globe-label strong {
  color: var(--color-text);
  font-size: 13px;
}

.globe-label-left {
  bottom: 74px;
  left: 8px;
}

.globe-label-right {
  top: 62px;
  right: 2px;
}

.route-catalog {
  background: var(--color-panel);
}

.section-heading {
  margin-bottom: 40px;
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 1.15fr);
  align-items: end;
  gap: 64px;
}

.section-heading h2,
.section-heading .lead {
  margin-bottom: 0;
}

.route-table caption {
  padding: 16px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  text-align: left;
  letter-spacing: 0.05em;
}

.route-table td:nth-child(1),
.route-table td:nth-child(2) {
  color: var(--color-text);
}

.route-analysis {
  background: var(--color-panel-soft);
}

.route-analysis-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  align-items: start;
  gap: 74px;
}

.route-index {
  position: sticky;
  top: var(--toc-top);
  padding: 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  box-shadow: var(--shadow-panel);
}

.route-index-label {
  margin-bottom: 12px;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.route-index a {
  min-height: 43px;
  display: flex;
  align-items: center;
  gap: 9px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 13px;
  font-weight: 600;
}

.route-index a:last-child {
  border-bottom: 0;
}

.route-index a:hover {
  color: var(--color-accent-dark);
}

.route-records {
  min-width: 0;
}

.route-record-intro {
  max-width: 780px;
  padding-bottom: 58px;
}

.route-record {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 40px;
  padding-top: 56px;
  padding-bottom: 56px;
  border-top: 1px solid var(--color-border);
  scroll-margin-top: var(--toc-clearance);
}

.record-marker {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  gap: 12px;
}

.record-code {
  color: var(--color-muted-light);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.record-content {
  max-width: 760px;
}

.record-content h3 {
  margin-bottom: 22px;
}

.record-content p {
  color: var(--color-muted);
}

.record-links {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.record-links a {
  color: var(--color-accent-dark);
  font-size: 13px;
  font-weight: 650;
}

.use-case-list {
  margin-top: 34px;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--color-border);
}

.use-case {
  padding-top: 26px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--color-border);
}

.use-case-heading {
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.use-case-heading h4 {
  margin-bottom: 0;
}

.use-case-icon {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  background: var(--color-panel);
  color: var(--color-accent-dark);
}

.use-case-icon svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.use-case p {
  margin-bottom: 0;
}

.region-overview {
  background: var(--color-canvas);
}

.region-wall {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 14px;
}

.region-badge {
  min-height: 230px;
  padding: 26px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
}

.region-badge:nth-child(1),
.region-badge:nth-child(4) {
  grid-column: span 7;
}

.region-badge:nth-child(2),
.region-badge:nth-child(3) {
  grid-column: span 5;
}

.region-badge:nth-child(1),
.region-badge:nth-child(3) {
  background: var(--color-panel-accent);
}

.region-code {
  margin-bottom: 34px;
  display: block;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.09em;
}

.region-badge h3 {
  font-size: 23px;
}

.region-badge p {
  max-width: 520px;
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 14px;
}

.selection-summary {
  margin-top: 88px;
  padding-top: 54px;
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(360px, 1.15fr);
  gap: 64px;
  border-top: 1px solid var(--color-border-strong);
}

.selection-summary h2 {
  margin-bottom: 0;
}

.selection-summary-copy {
  color: var(--color-muted);
}

.summary-actions {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

@media (max-width: 980px) {
  .nodes-hero {
    min-height: auto;
  }

  .nodes-hero-inner {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .nodes-hero-copy {
    max-width: 760px;
  }

  .route-globe {
    min-height: 390px;
  }

  .route-globe svg {
    max-width: 620px;
  }

  .route-analysis-layout {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .route-index {
    position: static;
    padding: 7px;
    display: flex;
    gap: 4px;
    overflow-x: auto;
    scrollbar-width: thin;
  }

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

  .route-index a {
    min-height: 38px;
    padding: 0 12px;
    flex-shrink: 0;
    border-bottom: 0;
    border-radius: var(--radius-xs);
    background: var(--color-panel-soft);
    white-space: nowrap;
  }
}

@media (max-width: 768px) {
  .nodes-hero {
    padding-top: 58px;
    padding-bottom: 60px;
  }

  .route-globe {
    min-height: 320px;
  }

  .route-globe::before {
    width: 260px;
    height: 260px;
    box-shadow: 0 0 0 26px var(--color-globe-soft), 0 0 0 52px var(--color-globe-soft);
  }

  .globe-label {
    display: none;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .route-record {
    grid-template-columns: 1fr;
    gap: 22px;
    padding-top: 44px;
    padding-bottom: 44px;
  }

  .record-marker {
    align-items: center;
    flex-direction: row;
    justify-content: space-between;
  }

  .region-wall {
    grid-template-columns: 1fr;
  }

  .region-badge:nth-child(1),
  .region-badge:nth-child(2),
  .region-badge:nth-child(3),
  .region-badge:nth-child(4) {
    grid-column: auto;
  }

  .selection-summary {
    grid-template-columns: 1fr;
    gap: 26px;
  }
}

@media (max-width: 520px) {
  .nodes-hero {
    padding-top: 44px;
  }

  .nodes-hero .hero-actions {
    gap: 8px;
  }

  .nodes-facts {
    gap: 6px;
  }

  .route-globe {
    min-height: 240px;
  }

  .route-globe::before {
    width: 190px;
    height: 190px;
    box-shadow: 0 0 0 20px var(--color-globe-soft), 0 0 0 40px var(--color-globe-soft);
  }

  .route-record-intro {
    padding-bottom: 42px;
  }

  .route-record {
    padding-top: 38px;
    padding-bottom: 38px;
  }

  .record-marker {
    align-items: flex-start;
    flex-direction: column;
  }

  .record-links {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .region-badge {
    min-height: 0;
    padding: 22px;
  }

  .region-code {
    margin-bottom: 22px;
  }

  .selection-summary {
    margin-top: 64px;
    padding-top: 42px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .route-globe,
  .route-globe svg {
    animation: none;
  }
}