.nodes-hero {
  padding-top: 22px;
}

.nodes-hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
  padding: clamp(34px, 5vw, 66px);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-xl);
  background: var(--color-panel-deep);
  color: var(--color-text-on-dark);
  box-shadow: var(--shadow-card);
}

.nodes-hero-copy h1 {
  max-width: 680px;
  margin-top: 20px;
  color: var(--color-text-on-dark);
}

.nodes-lead {
  max-width: 48rem;
  margin-top: 20px;
  color: var(--color-text-dark-muted);
  font-size: clamp(16px, 1.7vw, 19px);
  line-height: 1.85;
}

.nodes-fact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.nodes-fact-row .fact-chip {
  border-color: var(--color-border-dark-strong);
  background: var(--color-white-tint);
  color: var(--color-code-dark);
}

.nodes-actions {
  margin-top: 26px;
}

.region-index {
  overflow: hidden;
  border: 1px solid var(--color-border-dark-strong);
  border-radius: var(--radius-lg);
  background: var(--color-panel-deeper);
  box-shadow: var(--shadow-console);
}

.region-index-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 17px;
  border-bottom: 1px solid var(--color-border-dark);
  color: var(--color-text-dark-muted);
  font-size: 11px;
}

.region-index-state {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
}

.region-index a {
  display: grid;
  grid-template-columns: 70px minmax(90px, 0.55fr) minmax(0, 1fr);
  gap: 15px;
  align-items: center;
  min-height: 69px;
  padding: 14px 17px;
  border-bottom: 1px solid var(--color-border-dark);
  transition: background var(--transition-fast), color var(--transition-fast);
}

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

.region-index a:hover {
  background: var(--gradient-accent);
  color: var(--color-cta-ink);
}

.region-index a:hover .region-code,
.region-index a:hover span {
  color: var(--color-cta-ink);
}

.region-index strong {
  color: var(--color-text-on-dark);
  font-size: 14px;
}

.region-index a:hover strong {
  color: var(--color-cta-ink);
}

.region-index a > span:last-child {
  min-width: 0;
  color: var(--color-text-dark-muted);
  font-size: 12px;
  overflow-wrap: anywhere;
}

.region-code {
  color: var(--color-warning);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.route-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel-raised);
  box-shadow: var(--shadow-chip);
}

.route-summary > div {
  padding: 22px;
  border-right: 1px solid var(--color-border);
}

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

.route-summary-label {
  color: var(--color-accent-dark);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.route-summary strong {
  display: block;
  margin-top: 7px;
  font-family: var(--font-mono);
  font-size: 22px;
}

.route-summary span {
  display: block;
  margin-top: 5px;
  color: var(--color-text-muted);
  font-size: 13px;
}

.route-kind {
  display: inline-flex;
  max-width: 100%;
  align-items: center;
  padding: 3px 9px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  white-space: nowrap;
}

.route-kind-premium {
  border-color: var(--color-accent-dark);
  background: var(--color-accent-tint);
  color: var(--color-accent-dark);
}

.route-kind-direct {
  border-color: var(--color-border-strong);
  background: var(--color-page);
  color: var(--color-text);
}

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

.route-table-note {
  margin-top: 18px;
}

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

.route-type-layout {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.route-type-card {
  padding: 25px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-page);
  box-shadow: var(--shadow-chip);
}

.route-type-card.is-primary {
  border-color: var(--color-accent-dark);
  box-shadow: var(--shadow-card);
}

.route-type-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 17px;
  border-bottom: 1px solid var(--color-border);
}

.route-type-head h3 {
  font-size: 21px;
}

.route-type-code {
  display: inline-flex;
  min-width: 62px;
  min-height: 32px;
  align-items: center;
  justify-content: center;
  padding: 5px 9px;
  border-radius: var(--radius-sm);
  background: var(--color-panel-deep);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 800;
}

.route-type-card p {
  margin-top: 17px;
  color: var(--color-text-muted);
  line-height: 1.85;
}

.route-type-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 20px;
}

.cost-note {
  display: grid;
  grid-template-columns: minmax(250px, 0.75fr) minmax(0, 1.25fr);
  gap: 30px;
  align-items: center;
  margin-top: 16px;
  padding: 25px;
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-lg);
  background: var(--color-panel-deep);
  color: var(--color-text-on-dark);
}

.cost-note .mono {
  color: var(--color-warning);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.cost-note h3 {
  margin-top: 7px;
  color: var(--color-text-on-dark);
  font-size: 22px;
}

.cost-note p {
  color: var(--color-text-dark-muted);
  line-height: 1.85;
}

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

.use-case {
  display: grid;
  grid-template-columns: minmax(160px, 0.34fr) minmax(0, 1.66fr);
  gap: clamp(24px, 5vw, 70px);
  padding-top: 30px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--color-border);
}

.use-case-key .mono {
  color: var(--color-accent-dark);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.use-case-key h3 {
  margin-top: 7px;
  font-size: 23px;
}

.use-case-copy {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 25px;
}

.use-case-copy p {
  color: var(--color-text-muted);
  line-height: 1.85;
}

.selection-process {
  background: var(--color-panel);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  list-style: none;
  counter-reset: route-process;
}

.process-grid li {
  position: relative;
  min-width: 0;
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-page);
  counter-increment: route-process;
}

.process-grid li::before {
  display: grid;
  width: 34px;
  height: 34px;
  margin-bottom: 17px;
  place-items: center;
  border-radius: var(--radius-sm);
  background: var(--gradient-accent);
  color: var(--color-cta-ink);
  content: counter(route-process);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 900;
}

.process-grid strong {
  display: block;
  font-size: 17px;
}

.process-grid p {
  margin-top: 8px;
  color: var(--color-text-muted);
  line-height: 1.75;
}

.process-warning {
  margin-top: 17px;
}

.coverage-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(330px, 0.85fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
  padding: clamp(28px, 4vw, 48px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-page);
  box-shadow: var(--shadow-card);
}

.coverage-copy h2 {
  margin-top: 15px;
}

.coverage-copy p {
  max-width: 720px;
  margin-top: 15px;
  color: var(--color-text-muted);
  line-height: 1.85;
}

.coverage-regions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.coverage-regions span {
  display: grid;
  min-height: 54px;
  place-items: center;
  padding: 9px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  text-align: center;
  transition: border-color var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
}

.coverage-regions span:hover {
  border-color: var(--color-accent-dark);
  background: var(--gradient-panel-hover);
  color: var(--color-accent-dark);
}

.nodes-next {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: clamp(28px, 4vw, 44px);
  border-radius: var(--radius-xl);
  background: var(--color-panel-deep);
  color: var(--color-text-on-dark);
  box-shadow: var(--shadow-card);
}

.nodes-next .mono {
  color: var(--color-warning);
  font-size: 10px;
  letter-spacing: 0.1em;
}

.nodes-next h2 {
  margin-top: 8px;
  color: var(--color-text-on-dark);
  font-size: clamp(27px, 3vw, 38px);
}

.nodes-next p {
  max-width: 760px;
  margin-top: 10px;
  color: var(--color-text-dark-muted);
  line-height: 1.8;
}

.nodes-next .btn-row {
  flex: none;
}

@media (max-width: 1050px) {
  .nodes-hero-panel {
    grid-template-columns: 1fr;
  }

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

  .route-type-card {
    max-width: none;
  }

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

  .coverage-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 780px) {
  .nodes-hero-panel {
    padding: 28px 20px;
    border-radius: var(--radius-lg);
  }

  .region-index a {
    grid-template-columns: 58px minmax(90px, 1fr);
  }

  .region-index a > span:last-child {
    grid-column: 2;
  }

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

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

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

  .cost-note {
    grid-template-columns: 1fr;
  }

  .use-case {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .use-case-copy {
    grid-template-columns: 1fr;
    gap: 14px;
  }

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

  .nodes-next {
    align-items: flex-start;
    flex-direction: column;
  }

  .nodes-next .btn-row {
    width: 100%;
  }
}

@media (max-width: 520px) {
  .region-index-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .region-index a {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .region-index a > span:last-child {
    grid-column: auto;
  }

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

  .route-type-card,
  .process-grid li {
    padding: 20px;
  }
}