.nodes-hero {
  position: relative;
  padding-top: clamp(64px, 8vw, 112px);
  padding-bottom: clamp(58px, 8vw, 104px);
  overflow: hidden;
}

.nodes-hero::before {
  position: absolute;
  inset: 0;
  z-index: -2;
  content: "";
  background:
    radial-gradient(circle at 82% 34%, var(--color-panel), transparent 38%),
    linear-gradient(145deg, var(--color-bg), var(--color-panel-alt));
}

.nodes-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 46fr) minmax(0, 54fr);
  gap: clamp(38px, 6vw, 84px);
  align-items: center;
}

.nodes-hero-copy,
.route-atlas {
  min-width: 0;
}

.nodes-hero-copy h1 {
  max-width: 680px;
  margin-bottom: 24px;
}

.nodes-lead {
  max-width: 660px;
  margin-bottom: 24px;
  font-size: clamp(16px, 1.8vw, 20px);
}

.nodes-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 26px;
}

.route-atlas {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: linear-gradient(155deg, var(--color-panel), var(--color-glass-soft));
  box-shadow: var(--shadow-3);
}

.atlas-chrome {
  display: flex;
  min-height: 48px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 10px 18px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-panel-alt);
}

.atlas-label,
.atlas-state {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
}

.atlas-label {
  color: var(--color-muted);
}

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

.atlas-map {
  width: 100%;
  min-height: 340px;
  color: var(--color-text);
}

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

.atlas-route {
  fill: none;
  stroke: currentColor;
  stroke-width: 3;
  stroke-linecap: round;
  opacity: .72;
}

.atlas-route-secondary {
  stroke-width: 2;
  stroke-dasharray: 8 10;
  opacity: .42;
}

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

.atlas-node-accent {
  fill: var(--color-accent);
  stroke: var(--color-accent-dark);
}

.atlas-regions {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--color-border);
}

.atlas-regions span {
  min-width: 0;
  padding: 14px 10px;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  text-align: center;
}

.atlas-regions span + span {
  border-left: 1px solid var(--color-border);
}

.nodes-orbit {
  position: absolute;
  z-index: -1;
  top: 12%;
  right: -8%;
  width: 320px;
  height: 320px;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-pill);
  opacity: .72;
}

.route-directory {
  box-shadow: var(--shadow-2);
}

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

.route-label {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 4px 11px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel-alt);
  color: var(--color-text);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.route-note {
  margin-top: 24px;
}

.route-classes {
  border-block: 1px solid var(--color-border);
  background: var(--color-panel-alt);
}

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

.route-class-card {
  min-width: 0;
  padding: clamp(26px, 3vw, 40px);
  box-shadow: var(--shadow-1);
}

.route-class-top {
  display: flex;
  min-height: 34px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 42px;
}

.route-code,
.use-case-mark,
.method-index {
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
}

.route-class-card h3 {
  margin-bottom: 20px;
}

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

.selection-guide {
  background: linear-gradient(180deg, var(--color-bg), var(--color-panel));
}

.use-case-ledger {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-border);
  box-shadow: var(--shadow-2);
}

.use-case {
  display: grid;
  grid-template-columns: minmax(110px, 16fr) minmax(0, 84fr);
  gap: clamp(22px, 4vw, 58px);
  padding: clamp(26px, 4vw, 48px);
  background: var(--color-panel);
}

.use-case:nth-child(even) {
  background: var(--color-panel-alt);
}

.use-case + .use-case {
  margin-top: 1px;
}

.use-case h3 {
  margin-bottom: 14px;
}

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

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

.method-grid {
  display: grid;
  grid-template-columns: minmax(0, 34fr) minmax(0, 66fr);
  gap: clamp(40px, 7vw, 96px);
  align-items: start;
}

.method-copy {
  position: sticky;
  top: calc(var(--header-height) + 34px);
  min-width: 0;
}

.method-copy h2 {
  margin-bottom: 20px;
}

.method-steps {
  display: grid;
  border-top: 1px solid var(--color-border);
}

.method-steps article {
  display: grid;
  grid-template-columns: minmax(90px, 20fr) minmax(0, 80fr);
  column-gap: 24px;
  padding-top: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--color-border);
}

.method-steps h3,
.method-steps p {
  grid-column: 2;
}

.method-steps h3 {
  margin-bottom: 10px;
}

.method-steps p {
  margin-bottom: 0;
}

.method-index {
  grid-column: 1;
  grid-row: 1 / span 2;
  padding-top: 7px;
}

.coverage-panel {
  display: grid;
  grid-template-columns: minmax(0, 72fr) minmax(220px, 28fr);
  gap: clamp(30px, 6vw, 72px);
  align-items: center;
  padding: clamp(28px, 5vw, 58px);
  border-radius: var(--radius-lg);
  background: var(--color-panel-alt);
  box-shadow: var(--shadow-2);
}

.coverage-copy h2 {
  margin-bottom: 18px;
}

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

.coverage-actions {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
}

.coverage-actions .fact-pill {
  justify-content: center;
  background: var(--color-panel);
}

.coverage-actions .btn {
  margin-top: 8px;
}

@media (max-width: 1080px) {
  .nodes-hero-grid,
  .method-grid {
    grid-template-columns: 1fr;
  }

  .nodes-hero-copy {
    max-width: 780px;
  }

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

  .route-class-card {
    min-height: 0;
  }

  .method-copy {
    position: static;
  }
}

@media (max-width: 820px) {
  .coverage-panel {
    grid-template-columns: 1fr;
  }

  .coverage-actions {
    align-items: flex-start;
  }

  .coverage-actions .fact-pill,
  .coverage-actions .btn {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .nodes-hero {
    padding-top: 52px;
    padding-bottom: 58px;
  }

  .atlas-map {
    min-height: 250px;
  }

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

  .atlas-regions span:nth-child(3),
  .atlas-regions span:nth-child(4) {
    border-top: 1px solid var(--color-border);
  }

  .atlas-regions span:nth-child(3) {
    border-left: 0;
  }

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

  .method-steps article {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .method-steps h3,
  .method-steps p,
  .method-index {
    grid-column: 1;
    grid-row: auto;
  }

  .method-index {
    padding-top: 0;
  }
}