.nodes-hero {
  position: relative;
  padding-top: clamp(52px, 8vw, 96px);
  padding-bottom: clamp(58px, 8vw, 92px);
  overflow: hidden;
  background: var(--color-bg);
}

.nodes-hero-glow {
  position: absolute;
  top: 8%;
  right: -12%;
  width: min(720px, 76vw);
  aspect-ratio: 1;
  border-radius: var(--radius-pill);
  background: radial-gradient(circle, var(--color-accent-haze), transparent 68%);
  pointer-events: none;
}

.nodes-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(420px, 1.06fr);
  align-items: center;
  gap: clamp(42px, 7vw, 88px);
}

.nodes-hero-copy .badge {
  margin-bottom: 20px;
}

.nodes-hero-copy h1 {
  max-width: 680px;
}

.nodes-hero-copy .lead {
  max-width: 680px;
}

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

.nodes-hero-copy .button-row {
  margin-top: 30px;
}

.nodes-fact-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 34px 0 0;
  padding: 0;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: var(--color-rule);
  list-style: none;
  box-shadow: var(--shadow-low);
}

.nodes-fact-row li {
  display: flex;
  min-height: 66px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 17px;
  background: var(--color-panel);
}

.nodes-fact-row span {
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.nodes-fact-row strong {
  color: var(--color-accent-soft);
  font-size: 13px;
  text-align: right;
}

.route-console {
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--color-deep);
  box-shadow: var(--shadow-high);
  transform: perspective(1000px) rotateY(-2deg);
  transform-origin: center right;
}

.route-console-head,
.route-console-foot {
  display: flex;
  min-height: 48px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 11px 18px;
  background: var(--color-panel);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
}

.route-console-state {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.route-console-state i {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: var(--radius-pill);
  background: var(--color-success);
}

.route-console-map {
  padding: 18px;
  background: linear-gradient(145deg, var(--color-deep), var(--color-deepest));
}

.route-console-map svg {
  width: 100%;
}

.map-grid {
  fill: none;
  stroke: var(--color-border);
  stroke-width: 1;
  opacity: 0.25;
}

.map-route {
  fill: none;
  stroke-linecap: round;
}

.route-main {
  stroke: var(--color-accent);
  stroke-width: 4;
}

.route-branch {
  stroke: var(--color-accent-soft);
  stroke-width: 2;
  opacity: 0.55;
}

.map-node {
  fill: var(--color-success);
  stroke: var(--color-deepest);
  stroke-width: 4;
}

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

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

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

.map-plate {
  fill: var(--color-panel-raised);
}

.map-label {
  fill: var(--color-text);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 700;
}

.route-console-foot {
  justify-content: flex-start;
  flex-wrap: wrap;
  background: var(--color-panel-raised);
}

.route-console-foot span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.console-led {
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  border-radius: var(--radius-pill);
}

.console-led.is-blue {
  background: var(--color-accent);
}

.console-led.is-green {
  background: var(--color-success);
}

.console-led.is-yellow {
  background: var(--color-warning);
}

.nodes-toc-wrap {
  position: relative;
  z-index: 20;
  margin-top: -22px;
}

.route-table-note {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 20px;
  padding: 20px 22px;
  border-radius: var(--radius-sm);
  background: var(--color-panel-raised);
  box-shadow: var(--shadow-low);
}

.route-table-note strong {
  display: block;
  margin-bottom: 4px;
}

.route-table-note p {
  max-width: 760px;
  margin: 0;
  color: var(--color-muted);
  font-size: 14px;
}

.route-total {
  flex: 0 0 auto;
  color: var(--color-accent-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.route-table tbody tr:not(.route-group-row):hover td {
  background: var(--color-panel-raised);
}

.topology-layout {
  display: grid;
  gap: 16px;
}

.topology-item {
  display: grid;
  grid-template-columns: 168px minmax(0, 1fr) 190px;
  gap: clamp(22px, 4vw, 48px);
  align-items: start;
  padding: clamp(26px, 4vw, 42px);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-low);
}

.topology-item.is-primary {
  background: var(--color-panel-raised);
  box-shadow: var(--shadow-high);
}

.topology-index {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-accent-soft);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.topology-index i {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
}

.topology-item:not(.is-primary) .topology-index i {
  background: var(--color-success);
}

.topology-copy h3 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 34px);
}

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

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

.topology-signal {
  margin: 0;
  padding: 14px;
  border-radius: var(--radius-sm);
  background: var(--color-deep);
  color: var(--color-accent-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
}

.topology-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 28px;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--color-rule);
  box-shadow: var(--shadow-low);
}

.topology-summary > div {
  padding: 24px;
  background: var(--color-deep);
}

.summary-label {
  color: var(--color-accent-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.topology-summary p {
  margin: 10px 0 0;
  color: var(--color-muted);
  font-size: 14px;
}

.usecase-browser {
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--color-rule);
  box-shadow: var(--shadow-low);
}

.usecase-row {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr) 190px;
  gap: 30px;
  align-items: start;
  padding: clamp(25px, 4vw, 38px);
  background: var(--color-panel);
}

.usecase-row + .usecase-row {
  margin-top: 1px;
}

.usecase-label {
  display: flex;
  align-items: center;
  gap: 12px;
}

.usecase-label h3 {
  margin: 0;
  font-size: 20px;
}

.usecase-dot {
  width: 9px;
  height: 9px;
  flex: 0 0 auto;
  border-radius: var(--radius-pill);
}

.usecase-dot.is-blue {
  background: var(--color-accent);
}

.usecase-dot.is-pink {
  background: var(--color-pink);
}

.usecase-dot.is-yellow {
  background: var(--color-warning);
}

.usecase-dot.is-orange {
  background: var(--color-orange);
}

.usecase-dot.is-green {
  background: var(--color-success);
}

.usecase-body p {
  color: var(--color-muted);
}

.usecase-body p:last-child {
  margin-bottom: 0;
}

.usecase-route {
  display: inline-flex;
  justify-content: center;
  padding: 9px 12px;
  border-radius: var(--radius-xs);
  background: var(--color-panel-raised);
  color: var(--color-accent-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  text-align: center;
}

.operation-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.operation-panel {
  position: relative;
  padding: clamp(25px, 4vw, 38px);
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-low);
}

.operation-panel::after {
  position: absolute;
  right: -28px;
  bottom: -34px;
  width: 100px;
  height: 100px;
  border-radius: var(--radius-pill);
  background: var(--color-accent-haze);
  content: "";
}

.operation-code {
  display: block;
  margin-bottom: 18px;
  color: var(--color-accent-soft);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
}

.operation-panel p {
  position: relative;
  z-index: 1;
  color: var(--color-muted);
}

.operation-panel p:last-child {
  margin-bottom: 0;
}

.coverage-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(400px, 1.08fr);
  gap: clamp(40px, 7vw, 82px);
  align-items: center;
}

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

.coverage-copy strong {
  color: var(--color-text);
}

.region-wall {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.region-tile {
  display: flex;
  min-height: 154px;
  flex-direction: column;
  justify-content: flex-end;
  padding: 22px;
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-low);
}

.region-tile.is-wide {
  grid-column: 1 / -1;
  min-height: 178px;
  background: var(--color-panel-raised);
}

.region-tile.is-accent {
  background: var(--color-accent);
}

.region-tile span {
  margin-bottom: auto;
  color: var(--color-accent-soft);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
}

.region-tile.is-accent span,
.region-tile.is-accent small {
  color: var(--color-text);
}

.region-tile strong {
  font-family: var(--font-display);
  font-size: 28px;
}

.region-tile small {
  color: var(--color-muted);
  font-size: 12px;
}

.nodes-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  margin-top: clamp(52px, 8vw, 88px);
  padding: clamp(28px, 5vw, 48px);
  border-radius: var(--radius-lg);
  background: var(--color-panel-raised);
  box-shadow: var(--shadow-high);
}

.nodes-cta h2 {
  margin: 8px 0;
  font-size: clamp(28px, 4vw, 42px);
}

.nodes-cta p {
  max-width: 680px;
  margin: 0;
  color: var(--color-muted);
}

.nodes-cta .button-row {
  flex: 0 0 auto;
}

@media (max-width: 1000px) {
  .nodes-hero-inner,
  .coverage-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .route-console {
    max-width: 760px;
    transform: none;
  }

  .topology-item {
    grid-template-columns: 140px minmax(0, 1fr);
  }

  .topology-signal {
    grid-column: 2;
  }

  .usecase-row {
    grid-template-columns: 150px minmax(0, 1fr);
  }

  .usecase-route {
    grid-column: 2;
    justify-self: start;
  }

  .coverage-layout {
    align-items: start;
  }
}

@media (max-width: 760px) {
  .nodes-hero-glow {
    top: 24%;
    right: -40%;
    width: 130vw;
  }

  .route-table-note,
  .nodes-cta {
    align-items: flex-start;
    flex-direction: column;
  }

  .route-total {
    flex: 0 1 auto;
  }

  .topology-item,
  .usecase-row {
    grid-template-columns: minmax(0, 1fr);
  }

  .topology-signal,
  .usecase-route {
    grid-column: auto;
  }

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

  .nodes-cta .button-row {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .nodes-hero {
    padding-top: 42px;
  }

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

  .nodes-fact-row li {
    min-height: 58px;
  }

  .route-console-map {
    padding: 8px;
  }

  .route-console-head,
  .route-console-foot {
    padding-inline: 12px;
  }

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

  .region-tile.is-wide {
    grid-column: auto;
  }

  .region-tile {
    min-height: 140px;
  }

  .nodes-toc-wrap {
    margin-top: -12px;
  }
}