.nodes-hero {
  padding-top: clamp(64px, 9vw, 118px);
  padding-bottom: clamp(54px, 8vw, 96px);
  border-bottom: 1px solid var(--color-border);
}

.nodes-hero-copy {
  max-width: 880px;
}

.nodes-hero h1 {
  max-width: 760px;
  margin-top: 18px;
}

.nodes-hero .lead {
  max-width: 850px;
}

.nodes-hero .lead strong {
  color: var(--color-text);
}

.nodes-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.nodes-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: clamp(48px, 7vw, 82px) 0 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-panel);
}

.nodes-facts > div {
  min-width: 0;
  padding: clamp(22px, 4vw, 36px);
}

.nodes-facts > div + div {
  border-left: 1px solid var(--color-border);
}

.nodes-facts dt {
  margin-bottom: 8px;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.nodes-facts dd {
  margin-bottom: 7px;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(25px, 3vw, 36px);
  font-weight: 520;
  line-height: 1.2;
}

.nodes-facts p {
  margin-bottom: 0;
  color: var(--color-text-muted);
  font-size: 13px;
}

.region-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-bottom: 22px;
}

.region-jump a {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  padding: 8px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-bg);
  color: var(--color-text-muted);
  font-size: 13px;
  transition:
    border-color var(--duration-fast),
    color var(--duration-fast),
    background-color var(--duration-fast);
}

.region-jump a:hover {
  border-color: var(--color-accent);
  background: var(--color-panel);
  color: var(--color-accent-dark);
}

.location-table tbody tr[id] {
  scroll-margin-top: var(--toc-offset);
}

.route-type,
.media-status {
  display: inline-flex;
  max-width: 100%;
  align-items: center;
  padding: 4px 9px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  font-size: 12px;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.route-type {
  color: var(--color-accent-dark);
}

.media-status {
  color: var(--color-text-muted);
}

.directory-note {
  margin-top: 22px;
  margin-bottom: 0;
}

.nodes-paper-section {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-panel);
}

.route-definitions {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-bg);
}

.route-definition {
  display: grid;
  grid-template-columns: minmax(190px, 0.62fr) minmax(0, 1.38fr);
  gap: clamp(28px, 6vw, 76px);
  padding: clamp(28px, 5vw, 52px);
}

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

.route-definition:nth-child(even) {
  background: var(--color-panel);
}

.route-definition header {
  position: relative;
}

.route-definition header::before {
  position: absolute;
  top: 2px;
  bottom: 2px;
  left: calc(clamp(28px, 5vw, 52px) * -1);
  width: 4px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--color-accent);
  content: "";
  opacity: 0;
  transition: opacity var(--duration-fast);
}

.route-definition:hover header::before {
  opacity: 1;
}

.route-code {
  display: block;
  margin-bottom: 10px;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
}

.route-definition h3 {
  margin-bottom: 0;
}

.route-definition p {
  color: var(--color-text-muted);
}

.route-definition p:last-child {
  margin-bottom: 0;
}

.selection-list {
  border-top: 1px solid var(--color-border);
}

.selection-entry {
  display: grid;
  grid-template-columns: minmax(190px, 0.68fr) minmax(0, 1.32fr);
  gap: clamp(26px, 6vw, 74px);
  padding-top: 34px;
  padding-bottom: 34px;
  border-bottom: 1px solid var(--color-border);
}

.selection-entry:nth-child(even) {
  position: relative;
}

.selection-entry:nth-child(even)::before {
  position: absolute;
  z-index: -1;
  inset: 0 calc(var(--gutter) * -1);
  background: var(--color-panel);
  content: "";
}

.selection-term span {
  display: block;
  margin-bottom: 9px;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
}

.selection-term h3 {
  margin-bottom: 0;
  font-size: 22px;
}

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

.selection-copy p:last-child {
  margin-bottom: 0;
}

.selection-copy a {
  color: var(--color-accent-dark);
  text-decoration: underline;
  text-decoration-color: var(--color-accent);
  text-underline-offset: 3px;
}

.diagnosis-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-bg);
}

.diagnosis-grid article {
  min-width: 0;
  padding: clamp(25px, 4vw, 38px);
}

.diagnosis-grid article:nth-child(even) {
  border-left: 1px solid var(--color-border);
}

.diagnosis-grid article:nth-child(n + 3) {
  border-top: 1px solid var(--color-border);
}

.diagnosis-grid h3 {
  margin-bottom: 10px;
  font-size: 22px;
}

.diagnosis-grid p {
  margin-bottom: 0;
  color: var(--color-text-muted);
}

.diagnosis-label {
  display: block;
  margin-bottom: 12px;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.11em;
}

.nodes-summary {
  display: grid;
  grid-template-columns: minmax(220px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(34px, 7vw, 88px);
  padding: clamp(28px, 5vw, 52px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-panel);
}

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

.nodes-summary-copy p {
  color: var(--color-text-muted);
}

.nodes-summary-copy .cluster {
  margin-top: 26px;
}

@media (max-width: 768px) {
  .nodes-facts {
    grid-template-columns: minmax(0, 1fr);
  }

  .nodes-facts > div + div {
    border-top: 1px solid var(--color-border);
    border-left: 0;
  }

  .route-definition,
  .selection-entry,
  .nodes-summary {
    grid-template-columns: minmax(0, 1fr);
  }

  .route-definition {
    gap: 18px;
  }

  .route-definition header::before {
    display: none;
  }

  .selection-entry {
    gap: 16px;
  }
}

@media (max-width: 640px) {
  .nodes-hero-actions .btn-main,
  .nodes-hero-actions .btn-sub {
    flex: 1 1 140px;
  }

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

  .region-jump a {
    justify-content: center;
  }

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

  .diagnosis-grid article:nth-child(even) {
    border-left: 0;
  }

  .diagnosis-grid article + article {
    border-top: 1px solid var(--color-border);
  }

  .nodes-summary-copy .cluster {
    align-items: stretch;
    flex-direction: column;
  }

  .nodes-summary-copy .btn-main,
  .nodes-summary-copy .btn-sub {
    width: 100%;
  }
}