.nodes-hero {
  padding-top: 74px;
  padding-bottom: 78px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-canvas);
}

.nodes-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(440px, 1.1fr);
  align-items: center;
  gap: 72px;
}

.nodes-hero-copy h1 {
  max-width: 720px;
  margin-top: 20px;
}

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

.nodes-hero-actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
}

.nodes-text-link {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  color: var(--color-accent-deep);
  font-weight: 800;
}

.nodes-text-link:hover {
  color: var(--color-accent);
}

.nodes-fact-list {
  margin: 27px 0 0;
  padding: 22px 0 0;
  display: grid;
  gap: 10px;
  border-top: 1px solid var(--color-border);
  list-style: none;
}

.nodes-fact-list li {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  color: var(--color-ink-muted);
  font-size: 13px;
  font-weight: 680;
}

.nodes-fact-list svg {
  width: 16px;
  height: 16px;
  margin-top: 3px;
  flex: 0 0 auto;
  color: var(--color-success);
}

.region-index {
  position: relative;
  padding: 24px;
  border: 1px solid var(--color-terminal-border);
  border-radius: var(--radius-md);
  background: var(--color-terminal);
  color: var(--color-terminal-text);
  box-shadow: var(--shadow-deep);
}

.region-index::before {
  content: "";
  position: absolute;
  inset: 12px -12px -12px 12px;
  z-index: -1;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel-soft);
}

.region-index-head {
  padding-bottom: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid var(--terminal-rule);
  color: var(--color-terminal-muted);
  font-size: 11px;
}

.region-index-head .mono {
  color: var(--color-terminal-blue);
  font-weight: 800;
  letter-spacing: 0.08em;
}

.region-index-grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.region-index-grid a {
  min-height: 132px;
  padding: 17px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  border: 1px solid var(--color-terminal-border);
  border-radius: var(--radius-sm);
  background: var(--color-terminal-bar);
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.region-index-grid a:hover {
  border-color: var(--color-terminal-blue);
  transform: translateY(-2px);
}

.region-code {
  margin-bottom: auto;
  color: var(--color-terminal-blue);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.region-index-grid strong {
  color: var(--color-terminal-text);
  font-size: 18px;
}

.region-index-grid small {
  margin-top: 3px;
  color: var(--color-terminal-muted);
  font-size: 11px;
}

.region-index-note {
  margin: 18px 0 0;
  color: var(--color-terminal-muted);
  font-size: 12px;
  line-height: 1.7;
}

.nodes-toc-wrap {
  position: relative;
  z-index: 52;
  padding-top: 22px;
}

.nodes-toc-wrap .toc-tabs {
  width: max-content;
  max-width: 100%;
  margin-inline: auto;
}

.location-table {
  min-width: 760px;
}

.location-table td:nth-child(1) {
  min-width: 150px;
}

.location-table td:nth-child(2) {
  min-width: 130px;
}

.location-table td:nth-child(3) {
  min-width: 150px;
}

.location-table td:nth-child(4) {
  min-width: 180px;
}

.route-tag {
  max-width: 100%;
  padding: 4px 8px;
  display: inline-flex;
  align-items: center;
  overflow: hidden;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-xs);
  background: var(--color-panel-soft);
  color: var(--color-ink-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  line-height: 1.3;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.route-tag.route-premium {
  border-color: var(--border-accent);
  background: var(--wash-accent);
  color: var(--color-accent-deep);
}

.route-tag.route-direct {
  border-color: var(--color-border);
  background: var(--color-panel);
  color: var(--color-ink-muted);
}

.table-status-neutral {
  color: var(--color-ink-muted);
}

.route-browser {
  display: grid;
  grid-template-columns: 236px minmax(0, 1fr);
  gap: 18px;
}

.route-browser-index {
  height: fit-content;
  padding: 8px;
  display: grid;
  gap: 6px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  box-shadow: var(--shadow-soft);
}

.route-browser-index a {
  min-height: 72px;
  padding: 13px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-left: 3px solid var(--color-border);
  border-radius: 0 var(--radius-xs) var(--radius-xs) 0;
  color: var(--color-ink-muted);
}

.route-browser-index a:hover {
  border-left-color: var(--color-accent);
  background: var(--wash-accent);
  color: var(--color-accent-deep);
}

.route-browser-index span {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.route-browser-index strong {
  color: inherit;
  font-size: 14px;
}

.route-browser-content {
  display: grid;
  gap: 16px;
}

.route-detail {
  padding: 30px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-soft);
}

.route-detail-heading {
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.route-mark {
  width: 70px;
  min-height: 54px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-sm);
  background: var(--wash-accent);
  color: var(--color-accent-deep);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.05em;
}

.route-detail-heading h3 {
  margin-bottom: 2px;
  font-size: 25px;
}

.route-detail-heading p {
  margin: 0;
  color: var(--color-ink-muted);
  font-size: 13px;
}

.route-detail > p {
  color: var(--color-ink-muted);
}

.route-detail-meta {
  margin-top: 24px;
  padding-top: 18px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  border-top: 1px solid var(--color-border);
}

.route-detail-meta span {
  color: var(--color-ink-muted);
  font-size: 12px;
}

.route-detail-meta strong {
  margin-bottom: 4px;
  display: block;
  color: var(--color-ink);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
}

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

.use-case-row {
  padding-top: 34px;
  padding-bottom: 34px;
  display: grid;
  grid-template-columns: minmax(180px, 0.34fr) minmax(0, 1fr);
  gap: 46px;
  border-bottom: 1px solid var(--color-border);
}

.use-case-label {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.use-case-label svg {
  width: 32px;
  height: 32px;
  flex: 0 0 auto;
  color: var(--color-accent);
}

.use-case-label h3 {
  margin: 0;
  font-size: 22px;
}

.use-case-copy {
  columns: 2;
  column-gap: 34px;
}

.use-case-copy p {
  break-inside: avoid;
  color: var(--color-ink-muted);
}

.decision-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
  align-items: start;
  gap: 72px;
}

.decision-intro {
  position: sticky;
  top: calc(var(--toc-offset) + 24px);
}

.decision-steps {
  display: grid;
  gap: 12px;
}

.decision-steps article {
  padding: 24px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
}

.decision-symbol {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-xs);
  background: var(--wash-accent);
  color: var(--color-accent-deep);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 900;
}

.decision-steps h3 {
  margin-bottom: 7px;
  font-size: 20px;
}

.decision-steps p {
  margin: 0;
  color: var(--color-ink-muted);
  font-size: 14px;
}

.coverage-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.coverage-panel {
  padding: 28px;
  border-top: 3px solid var(--color-accent);
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  background: var(--color-panel);
}

.coverage-panel h3 {
  font-size: 21px;
}

.coverage-panel p {
  margin: 0;
  color: var(--color-ink-muted);
}

.coverage-summary {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--color-terminal-border);
  border-radius: var(--radius-sm);
  background: var(--color-terminal);
  color: var(--color-terminal-text);
  box-shadow: var(--shadow-panel);
}

.coverage-summary > div {
  min-height: 112px;
  padding: 23px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-right: 1px solid var(--color-terminal-border);
}

.coverage-summary > div:last-child {
  border-right: 0;
}

.coverage-summary span {
  margin-bottom: 8px;
  color: var(--color-terminal-blue);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.coverage-summary strong {
  color: var(--color-terminal-text);
  font-size: 15px;
}

@media (max-width: 1050px) {
  .nodes-hero-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 48px;
  }

  .region-index {
    width: min(760px, 100%);
  }

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

  .route-browser-index {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .route-browser-index a {
    border-top: 3px solid var(--color-border);
    border-left: 0;
    border-radius: 0 0 var(--radius-xs) var(--radius-xs);
  }

  .route-browser-index a:hover {
    border-top-color: var(--color-accent);
    border-left-color: var(--color-border);
  }

  .decision-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 34px;
  }

  .decision-intro {
    position: static;
  }
}

@media (max-width: 768px) {
  .nodes-hero {
    padding-top: 50px;
    padding-bottom: 58px;
  }

  .nodes-hero-grid {
    gap: 40px;
  }

  .nodes-toc-wrap {
    padding-inline: 0;
  }

  .nodes-toc-wrap .toc-tabs {
    width: 100%;
  }

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

  .use-case-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

  .use-case-copy {
    columns: auto;
  }

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

  .coverage-summary > div {
    border-right: 0;
    border-bottom: 1px solid var(--color-terminal-border);
  }

  .coverage-summary > div:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 640px) {
  .nodes-hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .nodes-hero-actions .button,
  .nodes-text-link {
    width: 100%;
    justify-content: center;
  }

  .region-index {
    padding: 16px;
  }

  .region-index::before {
    inset: 8px -8px -8px 8px;
  }

  .region-index-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

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

  .region-index-grid a {
    min-height: 112px;
  }

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

  .route-browser-index a {
    min-height: 62px;
  }

  .route-detail {
    padding: 20px;
  }

  .route-detail-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .route-mark {
    width: 62px;
    min-height: 42px;
  }

  .use-case-row {
    padding-top: 28px;
    padding-bottom: 28px;
  }

  .decision-steps article {
    padding: 19px;
    grid-template-columns: minmax(0, 1fr);
  }

  .coverage-panel {
    padding: 22px;
  }
}