.nodes-hero {
  position: relative;
  padding-top: 82px;
  padding-bottom: 76px;
  overflow-x: clip;
  border-bottom: 1px solid var(--color-border);
}

.nodes-hero::before {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(var(--color-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
  background-size: 52px 52px;
  content: '';
  opacity: 0.16;
  pointer-events: none;
}

.nodes-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  align-items: center;
  gap: 74px;
}

.nodes-hero-copy {
  max-width: 590px;
}

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

.nodes-console {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
  box-shadow: var(--shadow-card), var(--edge-highlight);
}

.nodes-console-head {
  display: flex;
  min-height: 48px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.07em;
}

.nodes-console-state {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-success);
}

.nodes-console-body {
  padding: 24px;
}

.coverage-total {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 5px 20px;
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel-raised);
}

.coverage-label {
  grid-column: 1 / -1;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.coverage-total strong {
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(34px, 4vw, 48px);
  font-weight: 400;
  line-height: 1.1;
}

.coverage-total > span:last-child {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 13px;
}

.region-matrix {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 18px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-border);
}

.region-cell {
  min-height: 150px;
  padding: 20px;
  background: var(--color-panel);
}

.region-cell > span {
  display: block;
  margin-bottom: 18px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.07em;
}

.region-cell strong {
  display: block;
  margin-bottom: 7px;
  color: var(--color-text);
  font-size: 17px;
  font-weight: 600;
}

.region-cell p {
  margin-bottom: 0;
  font-size: 12px;
  line-height: 1.65;
}

.nodes-toc-wrap {
  padding-top: 24px;
}

.nodes-section-head {
  max-width: 820px;
  margin-bottom: 42px;
}

.nodes-section-head h2 {
  margin-bottom: 14px;
}

.nodes-section-head p:last-child {
  margin-bottom: 0;
}

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

.route-table th:nth-child(1),
.route-table td:nth-child(1) {
  width: 24%;
}

.route-table th:nth-child(2),
.route-table td:nth-child(2) {
  width: 25%;
}

.route-table th:nth-child(3),
.route-table td:nth-child(3) {
  width: 24%;
}

.route-table th:nth-child(4),
.route-table td:nth-child(4) {
  width: 27%;
}

.route-table-notes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 20px;
}

.route-table-notes p {
  margin-bottom: 0;
  padding: 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  font-size: 13.5px;
}

.route-table-notes strong {
  color: var(--color-text);
}

.route-type-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.route-type-card {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  padding: 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  box-shadow: var(--edge-highlight);
}

.route-type-card.route-type-featured {
  border-color: var(--color-accent-deep);
  background: var(--color-panel-raised);
}

.route-type-head {
  display: flex;
  min-height: 32px;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 22px;
}

.route-type-code,
.coverage-explainer-code {
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.route-type-card h3 {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 400;
}

.route-type-card p {
  font-size: 14px;
  line-height: 1.78;
}

.route-type-card ul {
  margin: auto 0 0;
  padding-top: 21px;
  border-top: 1px solid var(--color-border);
  list-style: none;
}

.route-type-card li {
  position: relative;
  padding-left: 16px;
  color: var(--color-text-muted);
  font-size: 13px;
  line-height: 1.65;
}

.route-type-card li + li {
  margin-top: 9px;
}

.route-type-card li::before {
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 4px;
  height: 4px;
  border-radius: var(--radius-round);
  background: var(--color-accent);
  content: '';
}

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

.use-case-row {
  display: grid;
  grid-template-columns: minmax(190px, 0.34fr) minmax(0, 1fr);
  gap: 46px;
  padding-top: 34px;
  padding-bottom: 34px;
  border-bottom: 1px solid var(--color-border);
}

.use-case-label > span {
  display: block;
  margin-bottom: 12px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.use-case-label h3 {
  margin-bottom: 0;
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 400;
}

.use-case-copy {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.use-case-copy p {
  margin-bottom: 0;
  font-size: 14px;
  line-height: 1.82;
}

.coverage-wall {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
}

.coverage-chip {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  gap: 8px;
  padding: 8px 15px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-round);
  background: var(--color-panel-raised);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

.coverage-chip::before {
  width: 5px;
  height: 5px;
  flex-shrink: 0;
  border-radius: var(--radius-round);
  background: var(--color-accent);
  content: '';
}

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

.coverage-explainer article {
  min-height: 220px;
  padding: 28px;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-panel-raised);
}

.coverage-explainer h3 {
  margin-top: 18px;
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 400;
}

.coverage-explainer p {
  margin-bottom: 0;
  font-size: 14px;
  line-height: 1.78;
}

.route-procedure {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--color-border);
  list-style: none;
  counter-reset: route-step;
}

.route-procedure li {
  position: relative;
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 24px;
  padding-top: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--color-border);
  counter-increment: route-step;
}

.route-procedure li::before {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-round);
  background: var(--color-panel);
  color: var(--color-accent);
  content: counter(route-step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 11px;
}

.route-procedure h3 {
  margin-bottom: 8px;
  font-size: 18px;
}

.route-procedure p {
  max-width: 880px;
  margin-bottom: 0;
  font-size: 14px;
  line-height: 1.8;
}

.route-final-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 34px;
  margin-top: 48px;
  padding: 34px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel-raised);
  box-shadow: var(--edge-highlight);
}

.route-final-panel h2 {
  margin-bottom: 10px;
  font-size: 32px;
}

.route-final-panel p:last-child {
  max-width: 760px;
  margin-bottom: 0;
}

.route-final-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

@media (max-width: 1100px) {
  .nodes-hero-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 52px;
  }

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

  .nodes-console {
    max-width: 760px;
  }

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

  .route-type-card {
    min-height: auto;
  }

  .use-case-row {
    grid-template-columns: minmax(160px, 0.28fr) minmax(0, 1fr);
    gap: 28px;
  }
}

@media (max-width: 820px) {
  .route-table-notes,
  .coverage-explainer {
    grid-template-columns: minmax(0, 1fr);
  }

  .use-case-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
  }

  .use-case-copy {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

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

  .route-final-actions {
    align-items: stretch;
    flex-direction: row;
    flex-wrap: wrap;
  }
}

@media (max-width: 640px) {
  .nodes-hero {
    padding-top: 54px;
    padding-bottom: 54px;
  }

  .nodes-hero-grid {
    gap: 38px;
  }

  .nodes-console-body {
    padding: 14px;
  }

  .coverage-total {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
    padding: 20px;
  }

  .coverage-total > span:last-child {
    margin-top: 5px;
  }

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

  .region-cell {
    min-height: auto;
  }

  .route-table-notes {
    gap: 12px;
  }

  .route-type-card {
    padding: 22px;
  }

  .route-type-head {
    flex-direction: column;
  }

  .coverage-wall {
    padding: 18px;
  }

  .coverage-explainer article {
    min-height: auto;
    padding: 22px;
  }

  .route-procedure li {
    grid-template-columns: 46px minmax(0, 1fr);
    gap: 14px;
  }

  .route-procedure li::before {
    width: 38px;
    height: 38px;
  }

  .route-final-panel {
    padding: 24px;
  }

  .route-final-actions {
    flex-direction: column;
  }

  .route-final-actions .btn-primary,
  .route-final-actions .btn-secondary {
    width: 100%;
  }
}