.nodes-hero {
  position: relative;
  overflow-x: clip;
  border-bottom: 1px solid var(--color-border);
  padding-top: clamp(58px, 8vw, 104px);
  padding-bottom: clamp(64px, 9vw, 112px);
}

.nodes-hero::before {
  position: absolute;
  top: 8%;
  right: -10%;
  width: min(52vw, 720px);
  height: min(52vw, 720px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  opacity: 0.28;
  content: "";
  pointer-events: none;
}

.nodes-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  align-items: center;
  gap: clamp(38px, 7vw, 92px);
}

.nodes-hero-copy h1 {
  max-width: 10em;
  margin-top: 22px;
}

.nodes-lead {
  max-width: 42em;
  margin-bottom: 0;
  color: var(--color-text-muted);
  font-size: 17px;
  line-height: 1.9;
}

.nodes-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
  margin-bottom: 24px;
}

.nodes-topology {
  position: relative;
  overflow: hidden;
  padding: 20px;
}

.nodes-topology::before {
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, var(--color-transparent) 0 27px, var(--color-border) 28px),
    repeating-linear-gradient(90deg, var(--color-transparent) 0 27px, var(--color-border) 28px);
  opacity: 0.16;
  content: "";
  pointer-events: none;
}

.topology-head,
.topology-foot {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
}

.topology-map {
  position: relative;
  z-index: 1;
  width: 100%;
  height: auto;
  margin-block: 8px;
}

.topology-grid-line {
  fill: none;
  opacity: 0.5;
  stroke: var(--color-border);
  stroke-width: 1;
}

.topology-route {
  fill: none;
  stroke: var(--color-text-muted);
  stroke-linecap: round;
  stroke-width: 1.5;
}

.topology-route-active {
  stroke: var(--color-accent);
  stroke-width: 2;
  filter: drop-shadow(var(--glow-accent));
}

.topology-origin-ring {
  fill: var(--color-panel-raised);
  stroke: var(--color-success);
  stroke-width: 1.5;
}

.topology-origin {
  fill: var(--color-success);
}

.topology-node {
  fill: var(--color-text-muted);
  stroke: var(--color-panel);
  stroke-width: 3;
}

.topology-node-active {
  fill: var(--color-accent);
  filter: drop-shadow(var(--glow-accent));
}

.topology-label rect {
  fill: var(--color-panel-raised);
  stroke: var(--color-border);
  stroke-width: 1;
}

.topology-label text {
  fill: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 10px;
}

.topology-label.is-active rect {
  stroke: var(--color-accent-dark);
}

.topology-label.is-active text {
  fill: var(--color-accent);
}

.route-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 22px;
}

.route-summary a {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  padding: 16px 18px;
  transition: border-color var(--transition-fast), transform var(--transition-fast), background var(--transition-fast);
}

.route-summary a:hover {
  border-color: var(--color-border-hover);
  background: var(--color-panel-raised);
  transform: translateY(-2px);
}

.route-summary span {
  color: var(--color-accent);
  font-size: 11px;
}

.route-summary strong {
  font-size: 15px;
  font-weight: 600;
}

.route-directory {
  scroll-margin-top: var(--toc-offset);
}

.route-directory .route-table {
  min-width: 760px;
}

.route-kind {
  display: inline-flex;
  max-width: 100%;
  align-items: center;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  background: var(--color-panel-raised);
  padding: 3px 9px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.5;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

.route-note {
  margin-top: 20px;
}

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

.route-type-ledger {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 14px;
}

.route-type-card {
  grid-column: span 4;
  background: var(--color-bg);
}

.route-type-card:first-child {
  grid-column: span 5;
  border-color: var(--color-accent-dark);
}

.route-type-card:nth-child(2) {
  grid-column: span 7;
}

.route-type-card:nth-child(3) {
  grid-column: 3 / 11;
}

.route-type-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 24px;
  padding-bottom: 16px;
}

.route-type-heading span {
  color: var(--color-accent);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.route-type-heading h3 {
  margin: 0;
}

.route-type-card p {
  color: var(--color-text-muted);
}

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

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

.use-case {
  display: grid;
  grid-template-columns: minmax(110px, 0.28fr) minmax(0, 1fr);
  gap: clamp(28px, 6vw, 84px);
  border-bottom: 1px solid var(--color-border);
  padding-top: 36px;
  padding-bottom: 36px;
}

.use-case-index {
  padding-top: 7px;
  color: var(--color-accent);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.use-case h3 {
  font-family: var(--font-display);
  font-size: clamp(25px, 3vw, 34px);
  font-weight: 400;
}

.use-case p {
  max-width: 58em;
  color: var(--color-text-muted);
}

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

.route-method {
  border-top: 1px solid var(--color-border);
  background: var(--color-panel);
}

.route-method-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.65fr) minmax(0, 1.35fr);
  align-items: start;
  gap: clamp(38px, 8vw, 104px);
}

.method-steps {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  counter-reset: route-step;
  list-style: none;
}

.method-steps li {
  position: relative;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  padding: 22px 22px 22px 68px;
  counter-increment: route-step;
}

.method-steps li::before {
  position: absolute;
  top: 22px;
  left: 20px;
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border: 1px solid var(--color-accent-dark);
  border-radius: var(--radius-pill);
  color: var(--color-accent);
  content: counter(route-step);
  font-family: var(--font-mono);
  font-size: 11px;
}

.method-steps strong {
  color: var(--color-text);
}

.method-steps p {
  margin-top: 6px;
  margin-bottom: 0;
  color: var(--color-text-muted);
}

@media (max-width: 980px) {
  .nodes-hero-grid {
    grid-template-columns: 1fr;
  }

  .nodes-topology {
    max-width: 720px;
  }

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

  .route-type-card:first-child,
  .route-type-card:nth-child(2),
  .route-type-card:nth-child(3) {
    grid-column: span 12;
  }

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

@media (max-width: 768px) {
  .nodes-hero {
    padding-top: 48px;
    padding-bottom: 64px;
  }

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

  .nodes-lead {
    font-size: 15px;
    line-height: 1.8;
  }

  .nodes-topology {
    padding: 14px;
  }

  .topology-map {
    max-height: 230px;
  }

  .topology-label,
  .topology-foot {
    display: none;
  }

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

  .use-case {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .use-case-index {
    padding-top: 0;
  }
}

@media (max-width: 430px) {
  .nodes-hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

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

  .route-summary a {
    min-height: 58px;
  }

  .method-steps li {
    padding: 60px 18px 20px;
  }

  .method-steps li::before {
    top: 18px;
    left: 18px;
  }
}