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

.nodes-hero::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 76% 24%, var(--color-accent-faint), transparent 32%),
    linear-gradient(90deg, transparent, var(--color-table-stripe), transparent);
  content: "";
}

.nodes-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(420px, 1.12fr);
  gap: 3rem;
  align-items: center;
}

.nodes-hero-copy {
  min-width: 0;
  padding-top: 2rem;
  padding-bottom: 2rem;
}

.nodes-hero-copy h1 {
  max-width: 10ch;
  margin-top: 1.2rem;
}

.nodes-lead {
  max-width: 58ch;
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

.nodes-actions {
  margin-top: 1.8rem;
}

.nodes-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.4rem;
}

.route-board {
  position: relative;
  min-width: 0;
  overflow: hidden;
  background: var(--color-panel);
  padding: 1.25rem;
}

.route-board::after {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(var(--color-border) 0.55px, transparent 0.55px);
  background-size: 5px 5px;
  opacity: 0.2;
  content: "";
}

.route-board > * {
  position: relative;
  z-index: 1;
}

.route-board-head,
.route-board-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.11em;
}

.route-board-head {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.9rem;
}

.route-board-foot {
  flex-wrap: wrap;
  border-top: 1px solid var(--color-border);
  padding-top: 0.9rem;
}

.route-map {
  width: 100%;
  height: auto;
  margin-top: 0.6rem;
  margin-bottom: 0.6rem;
}

.route-grid-line {
  fill: none;
  stroke: var(--color-border);
  stroke-width: 1;
  opacity: 0.46;
}

.route-trace-shadow {
  fill: none;
  stroke: var(--color-bg);
  stroke-linecap: round;
  stroke-width: 12;
}

.route-trace {
  fill: none;
  stroke: url("#nodesCopper");
  stroke-linecap: round;
  stroke-width: 4;
  filter: drop-shadow(0 0 8px var(--color-accent-glow));
}

.route-branch {
  fill: none;
  stroke: var(--color-accent-dark);
  stroke-dasharray: 5 7;
  stroke-linecap: round;
  stroke-width: 2;
}

.route-node {
  fill: var(--color-panel-raised);
  stroke: var(--color-accent);
  stroke-width: 2;
  filter: drop-shadow(0 0 7px var(--color-accent-glow));
}

.route-node-large {
  stroke-width: 3;
}

.route-core {
  fill: var(--color-text);
}

.route-stop-dark {
  stop-color: var(--color-accent-dark);
}

.route-stop-bright {
  stop-color: var(--color-accent);
}

.nodes-section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(300px, 1.15fr);
  gap: 2.5rem;
  align-items: end;
  margin-bottom: 2rem;
}

.nodes-section-heading h2 {
  margin-bottom: 0;
}

.nodes-section-heading .section-intro {
  margin-bottom: 0;
}

.nodes-table-wrap {
  box-shadow: var(--shadow-card);
}

.line-label {
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-pill);
  background: var(--color-accent-soft);
  color: var(--color-text);
  padding: 0.2rem 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  white-space: nowrap;
}

.nodes-table-note {
  margin-top: 1.2rem;
}

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

.line-ledger {
  display: grid;
  gap: 1rem;
  margin-top: 2.4rem;
}

.line-ledger-row {
  display: grid;
  grid-template-columns: minmax(150px, 0.25fr) minmax(0, 1fr) minmax(190px, 0.32fr);
  gap: 1.6rem;
  align-items: start;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-panel-raised);
  padding: 1.6rem;
  box-shadow: var(--shadow-card);
  transform-style: preserve-3d;
  transition: border-color var(--transition-base), transform var(--transition-base);
}

.line-ledger-row:hover {
  border-color: var(--color-accent);
}

.line-ledger-code {
  display: grid;
  gap: 0.6rem;
  border-left: 3px solid var(--color-accent);
  padding-left: 1rem;
}

.line-ledger-code span,
.use-case-mark,
.method-step-code,
.coverage-regions span {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
}

.line-ledger-code b {
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: 1.15rem;
}

.line-ledger-body {
  min-width: 0;
}

.line-ledger-body h3 {
  font-size: 1.3rem;
}

.line-ledger-body p,
.line-ledger-use p {
  color: var(--color-text-muted);
}

.line-ledger-use {
  border-left: 1px solid var(--color-border);
  padding-left: 1.4rem;
}

.line-ledger-use p {
  margin-top: 0.8rem;
  font-size: 0.9rem;
}

.use-case-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1rem;
}

.use-case-card {
  min-width: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-panel);
  padding: 1.5rem;
}

.use-case-card:nth-child(1),
.use-case-card:nth-child(2) {
  grid-column: span 6;
}

.use-case-card:nth-child(3),
.use-case-card:nth-child(4),
.use-case-card:nth-child(5) {
  grid-column: span 4;
}

.use-case-card h3 {
  margin-top: 0.8rem;
}

.use-case-card p {
  color: var(--color-text-muted);
}

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

.method-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(420px, 1.22fr);
  gap: 3rem;
  align-items: start;
}

.method-copy > p:not(.eyebrow) {
  color: var(--color-text-muted);
}

.method-copy .callout {
  margin-top: 1.5rem;
}

.method-steps {
  display: grid;
  gap: 0.8rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.method-steps li {
  display: grid;
  grid-template-columns: minmax(80px, 0.22fr) minmax(0, 1fr);
  gap: 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-control);
  background: var(--color-panel-raised);
  padding: 1.25rem;
}

.method-steps li + li {
  margin-top: 0;
}

.method-step-code {
  padding-top: 0.2rem;
}

.method-steps h3 {
  margin-bottom: 0.4rem;
  font-size: 1.05rem;
}

.method-steps p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.coverage-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(420px, 1.2fr);
  gap: 2.5rem;
  padding: clamp(1.5rem, 4vw, 3rem);
}

.coverage-copy p:not(.eyebrow) {
  color: var(--color-text-muted);
}

.coverage-regions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.coverage-regions div {
  min-width: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-control);
  background: var(--color-bg);
  padding: 1.2rem;
}

.coverage-regions strong {
  display: block;
  margin-top: 0.4rem;
  color: var(--color-text);
  font-family: var(--font-display);
}

.coverage-regions p {
  margin-top: 0.6rem;
  color: var(--color-text-muted);
  font-size: 0.84rem;
}

.promo-block .button-row {
  margin-top: 1.5rem;
}

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

  .route-board {
    max-width: 820px;
  }

  .line-ledger-row {
    grid-template-columns: minmax(130px, 0.28fr) minmax(0, 1fr);
  }

  .line-ledger-use {
    grid-column: 2;
  }

  .use-case-card:nth-child(3),
  .use-case-card:nth-child(4) {
    grid-column: span 6;
  }

  .use-case-card:nth-child(5) {
    grid-column: span 12;
  }
}

@media (max-width: 768px) {
  .nodes-hero-copy {
    padding-top: 0;
    padding-bottom: 0;
  }

  .nodes-section-heading {
    grid-template-columns: 1fr;
    gap: 1rem;
    align-items: start;
  }

  .line-ledger-row {
    grid-template-columns: 1fr;
    padding: 1.25rem;
  }

  .line-ledger-use {
    grid-column: auto;
    border-top: 1px solid var(--color-border);
    border-left: 0;
    padding-top: 1rem;
    padding-left: 0;
  }

  .use-case-card:nth-child(1),
  .use-case-card:nth-child(2),
  .use-case-card:nth-child(3),
  .use-case-card:nth-child(4),
  .use-case-card:nth-child(5) {
    grid-column: span 12;
  }

  .coverage-regions {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .route-board {
    padding: 1rem;
  }

  .route-board-head,
  .route-board-foot {
    font-size: 0.58rem;
    letter-spacing: 0.06em;
  }

  .method-steps li {
    grid-template-columns: 1fr;
    gap: 0.55rem;
  }

  .nodes-facts .fact-pill {
    flex: 1 1 44%;
    justify-content: center;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .line-ledger-row {
    transition: none;
    transform: none;
  }
}