.nodes-hero {
  position: relative;
  max-width: 100%;
  overflow-x: clip;
  padding-top: 84px;
  padding-bottom: 96px;
  background: linear-gradient(180deg, var(--color-bg-top), var(--color-bg));
}

.nodes-hero::before {
  position: absolute;
  top: 10%;
  right: -12%;
  width: 58%;
  aspect-ratio: 1;
  background: radial-gradient(closest-side, var(--color-neutral-halo), transparent 72%);
  content: "";
  pointer-events: none;
}

.nodes-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(340px, 0.75fr);
  align-items: end;
  gap: 72px;
}

.nodes-hero-copy h1 {
  max-width: 760px;
  margin: 18px 0 0;
  font-weight: 800;
}

.nodes-hero-lede {
  max-width: 720px;
  margin: 24px 0 0;
  font-size: 20px;
  line-height: 1.7;
}

.nodes-hero-actions {
  margin-top: 30px;
}

.nodes-summary {
  position: relative;
  overflow: hidden;
  padding: 24px;
  box-shadow: var(--shadow-near);
}

.nodes-summary::after {
  position: absolute;
  right: -18%;
  bottom: -40%;
  width: 62%;
  aspect-ratio: 1;
  border-radius: var(--radius-pill);
  background: radial-gradient(closest-side, var(--color-accent-soft), transparent 72%);
  content: "";
  pointer-events: none;
}

.nodes-summary-head {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-border);
}

.nodes-summary-head .mono {
  color: var(--color-dim);
  font-size: 10px;
  letter-spacing: 0.06em;
}

.nodes-fact-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0;
}

.nodes-fact-grid div {
  padding-top: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-border);
}

.nodes-fact-grid div:nth-child(odd) {
  padding-right: 14px;
  border-right: 1px solid var(--color-border);
}

.nodes-fact-grid div:nth-child(even) {
  padding-left: 14px;
}

.nodes-fact-grid dt {
  color: var(--color-muted);
  font-size: 12px;
}

.nodes-fact-grid dd {
  margin: 5px 0 0;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 750;
}

.nodes-summary-note {
  position: relative;
  z-index: 1;
  margin: 18px 0 0;
  font-size: 13px;
}

.nodes-map-wrap {
  position: relative;
  z-index: 1;
  margin-top: 64px;
}

.nodes-map-panel {
  overflow: hidden;
  box-shadow: var(--shadow-near), var(--shadow-far);
}

.nodes-map-head {
  display: flex;
  min-height: 68px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 22px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-panel-raised);
}

.nodes-map-head > div {
  display: flex;
  min-width: 0;
  flex-direction: column;
}

.nodes-map-head strong {
  margin-top: 2px;
  font-size: 15px;
}

.nodes-map {
  width: 100%;
  height: auto;
  min-height: 300px;
  background: var(--color-graph);
}

.nodes-map-edge {
  fill: none;
  stroke: var(--color-border);
  stroke-width: 1.5;
}

.nodes-map-glow {
  fill: none;
  stroke: var(--color-accent);
  stroke-linecap: round;
  stroke-width: 10;
  opacity: 0.22;
}

.nodes-map-active {
  fill: none;
  stroke: var(--color-accent);
  stroke-linecap: round;
  stroke-width: 2.4;
}

.nodes-map-node {
  fill: var(--color-node);
}

.nodes-map-node.is-active {
  fill: var(--color-accent);
  filter: drop-shadow(0 0 6px var(--color-accent-glow));
}

.nodes-map-device {
  fill: none;
  stroke: var(--color-accent);
  stroke-width: 2;
}

.nodes-map-label {
  fill: var(--color-muted);
  font-family: var(--font-body);
  font-size: 13px;
}

.nodes-map-label.is-active {
  fill: var(--color-text);
  font-weight: 650;
}

.directory-note {
  margin-bottom: 48px;
}

.region-group + .region-group {
  margin-top: 56px;
}

.region-heading {
  display: grid;
  grid-template-columns: minmax(220px, 0.55fr) minmax(0, 1fr);
  gap: 42px;
  align-items: end;
  margin-bottom: 18px;
}

.region-heading > div {
  min-width: 0;
}

.region-heading h3 {
  margin: 5px 0 0;
  font-size: 25px;
}

.region-heading p {
  max-width: 680px;
  margin: 0;
  font-size: 14px;
}

.region-code {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
}

.location-table .tag {
  min-width: 78px;
  justify-content: center;
}

.route-type-layout {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.route-type-card {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-panel);
  transform-style: preserve-3d;
}

.route-type-card.is-primary {
  border-color: var(--color-accent-dark);
  background: var(--color-panel-raised);
  box-shadow: 0 0 30px var(--color-accent-soft);
}

.route-type-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 30px;
}

.route-index {
  color: var(--color-accent);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.route-type-card h3 {
  margin-bottom: 14px;
  font-size: 24px;
}

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

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

.type-comparison {
  margin-top: 32px;
}

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

.use-case {
  min-width: 0;
  padding-top: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--color-border);
}

.use-case:nth-child(odd) {
  padding-right: 44px;
  border-right: 1px solid var(--color-border);
}

.use-case:nth-child(even) {
  padding-left: 44px;
}

.use-case-label {
  color: var(--color-accent);
  font-size: 11px;
  letter-spacing: 0.07em;
}

.use-case h3 {
  margin: 8px 0 12px;
  font-size: 23px;
}

.use-case p {
  margin-bottom: 12px;
}

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

.method-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(340px, 0.75fr);
  align-items: center;
  gap: 72px;
}

.method-copy .section-heading {
  margin-bottom: 32px;
}

.method-steps {
  margin: 0;
  list-style: none;
  counter-reset: node-method;
}

.method-steps li {
  position: relative;
  padding: 22px 0 22px 54px;
  border-top: 1px solid var(--color-border);
  counter-increment: node-method;
}

.method-steps li:last-child {
  border-bottom: 1px solid var(--color-border);
}

.method-steps li::before {
  position: absolute;
  top: 22px;
  left: 0;
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel-raised);
  color: var(--color-accent);
  content: counter(node-method);
  font-family: var(--font-mono);
  font-size: 12px;
}

.method-steps strong {
  display: block;
  color: var(--color-text);
  font-size: 17px;
}

.method-steps p {
  margin: 6px 0 0;
}

.method-visual {
  padding: 38px;
  box-shadow: var(--shadow-far);
}

.method-node {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 64px;
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel-raised);
}

.method-dot {
  width: 12px;
  height: 12px;
  flex: 0 0 auto;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  box-shadow: 0 0 12px var(--color-accent-glow);
}

.method-dot.is-muted {
  background: var(--color-node);
  box-shadow: none;
}

.method-node > div {
  display: flex;
  min-width: 0;
  flex-direction: column;
}

.method-node small {
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
}

.method-node strong {
  margin-top: 2px;
  font-size: 14px;
}

.method-line {
  width: 1px;
  height: 28px;
  margin-left: 21px;
  background: var(--color-border);
}

.method-line.is-active {
  width: 2px;
  background: var(--color-accent);
  box-shadow: 0 0 8px var(--color-accent-glow);
}

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

.maintenance-grid article {
  min-width: 0;
  padding-top: 30px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--color-border);
}

.maintenance-grid article:nth-child(odd) {
  padding-right: 42px;
  border-right: 1px solid var(--color-border);
}

.maintenance-grid article:nth-child(even) {
  padding-left: 42px;
}

.maintenance-grid h3 {
  margin-bottom: 10px;
  font-size: 20px;
}

.maintenance-grid p {
  margin-bottom: 0;
}

.maintenance-callout {
  margin-top: 36px;
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.65fr) minmax(0, 1fr);
  align-items: start;
  gap: 72px;
}

.faq-layout .section-heading {
  margin-bottom: 0;
}

.faq-layout .text-link {
  margin-top: 12px;
}

@media (max-width: 1024px) {
  .nodes-hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(300px, 0.7fr);
    gap: 42px;
  }

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

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

  .method-layout,
  .faq-layout {
    gap: 42px;
  }
}

@media (max-width: 768px) {
  .nodes-hero {
    padding-top: 64px;
    padding-bottom: 72px;
  }

  .nodes-hero-grid,
  .method-layout,
  .faq-layout {
    grid-template-columns: 1fr;
  }

  .nodes-hero-lede {
    font-size: 17px;
  }

  .nodes-map-wrap {
    margin-top: 44px;
  }

  .nodes-map {
    min-width: 720px;
  }

  .nodes-map-panel {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .nodes-map-head {
    position: sticky;
    left: 0;
    min-width: min-content;
  }

  .region-heading {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .use-case-grid,
  .maintenance-grid {
    grid-template-columns: 1fr;
  }

  .use-case:nth-child(odd),
  .use-case:nth-child(even),
  .maintenance-grid article:nth-child(odd),
  .maintenance-grid article:nth-child(even) {
    padding-right: 0;
    padding-left: 0;
    border-right: 0;
  }

  .method-visual {
    order: -1;
  }
}

@media (max-width: 640px) {
  .nodes-hero {
    padding-top: 48px;
    padding-bottom: 60px;
  }

  .nodes-hero::before {
    display: none;
  }

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

  .nodes-summary {
    padding: 20px;
  }

  .nodes-fact-grid {
    grid-template-columns: 1fr;
  }

  .nodes-fact-grid div:nth-child(odd),
  .nodes-fact-grid div:nth-child(even) {
    padding-right: 0;
    padding-left: 0;
    border-right: 0;
  }

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

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

  .method-visual {
    padding: 22px;
  }

  .region-group + .region-group {
    margin-top: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .route-type-card {
    transform: none;
  }
}