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

.nodes-hero::before {
  position: absolute;
  top: 8%;
  right: -18%;
  width: min(760px, 72vw);
  height: min(760px, 72vw);
  border: 1px solid var(--color-ring-soft);
  border-radius: var(--radius-pill);
  background: radial-gradient(circle, var(--color-accent-glow), transparent 64%);
  content: "";
  opacity: .72;
  pointer-events: none;
}

.nodes-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: calc(100svh - var(--header-height));
  grid-template-columns: minmax(0, 1fr) minmax(420px, .9fr);
  gap: clamp(36px, 7vw, 94px);
  align-items: center;
  padding-top: clamp(56px, 8vw, 104px);
  padding-bottom: clamp(64px, 8vw, 112px);
}

.nodes-hero-copy {
  min-width: 0;
  max-width: 680px;
}

.nodes-hero-copy .eyebrow {
  margin-bottom: 24px;
}

.nodes-hero-copy h1 {
  max-width: 640px;
}

.nodes-hero-lede {
  max-width: 650px;
  margin-bottom: 30px;
  color: var(--color-muted);
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.85;
}

.nodes-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 22px;
  margin: 26px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--color-hairline);
  color: var(--color-muted);
  font-size: 14px;
  list-style: none;
}

.nodes-trust li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.nodes-trust li::before {
  color: var(--color-success);
  content: "✓";
  font-family: var(--font-mono);
}

.route-orbit {
  position: relative;
  display: grid;
  min-width: 0;
  place-items: center;
}

.route-orbit::before {
  position: absolute;
  width: 72%;
  height: 72%;
  border-radius: var(--radius-pill);
  background: radial-gradient(circle, var(--color-accent-glow-strong), transparent 66%);
  content: "";
  opacity: .55;
  pointer-events: none;
}

.route-orbit svg {
  position: relative;
  width: min(560px, 46vw);
  height: auto;
}

.route-orbit-face {
  fill: var(--color-panel);
  opacity: .62;
}

.route-orbit-ring,
.route-orbit-ticks,
.route-orbit-path,
.route-orbit-shield,
.route-orbit-check,
.line-type-mark path {
  fill: none;
}

.route-orbit-ring {
  stroke: var(--color-ring);
  stroke-width: 1.2;
}

.route-orbit-ring--inner {
  stroke: var(--color-ring-soft);
}

.route-orbit-ticks {
  stroke: var(--color-ring);
  stroke-width: 9;
  stroke-dasharray: 1.4 13.2;
  opacity: .72;
}

.route-orbit-path {
  stroke: var(--color-accent);
  stroke-linecap: round;
  stroke-width: 1.8;
  opacity: .62;
}

.route-orbit-node {
  fill: var(--color-bg);
  stroke: var(--color-ring);
  stroke-width: 1.5;
}

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

.route-orbit-label-plate {
  fill: var(--color-panel-raised);
  stroke: var(--color-border);
  stroke-width: 1;
}

.route-orbit-label {
  fill: var(--color-text);
  font-family: var(--font-body);
  font-size: 13px;
}

.route-orbit-halo {
  fill: var(--color-accent);
  opacity: .11;
}

.route-orbit-center {
  fill: var(--color-accent);
}

.route-orbit-shield,
.route-orbit-check {
  stroke: var(--color-bg);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 4;
}

.nodes-fact-band {
  border-bottom: 1px solid var(--color-hairline);
  background: var(--color-panel);
}

.nodes-fact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.nodes-fact-grid > div {
  display: grid;
  min-width: 0;
  gap: 4px;
  padding-top: 26px;
  padding-bottom: 26px;
  text-align: center;
}

.nodes-fact-grid > div + div {
  border-left: 1px solid var(--color-hairline);
}

.nodes-fact-value {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 32px);
  font-variant-numeric: tabular-nums;
}

.nodes-fact-label {
  color: var(--color-muted);
  font-size: 13px;
  letter-spacing: .08em;
}

.nodes-content-shell {
  position: relative;
  padding-top: 34px;
  padding-bottom: var(--section-space);
}

.nodes-content-shell > .toc-tabs {
  margin-inline: auto;
}

.route-region-note {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  margin-bottom: 28px;
  padding: 22px 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel-raised);
  color: var(--color-muted);
}

.route-region-note strong {
  color: var(--color-accent);
}

.route-region-note p {
  margin-bottom: 0;
}

.route-table .route-type,
.route-support {
  display: inline-flex;
  max-width: 100%;
  align-items: center;
  padding: 4px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.route-table .route-type {
  color: var(--color-accent);
}

.route-support {
  color: var(--color-success);
}

.line-type-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.line-type-card {
  min-width: 0;
  padding: clamp(25px, 3vw, 36px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-panel);
  box-shadow: 0 18px 50px var(--color-shadow);
  transform-style: preserve-3d;
  transition:
    transform var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.line-type-card:hover {
  border-color: var(--color-accent-dark);
  box-shadow: var(--shadow-panel);
}

.line-type-card.card--raised {
  background: var(--color-panel-raised);
  box-shadow:
    0 0 0 1px var(--color-accent-dark),
    0 22px 70px var(--color-accent-glow);
}

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

.line-type-mark {
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  margin-bottom: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel-raised);
  color: var(--color-accent);
}

.line-type-mark svg {
  width: 34px;
  height: 34px;
}

.line-type-mark path {
  stroke: var(--color-accent);
  stroke-linecap: round;
  stroke-width: 2;
}

.line-type-mark circle {
  fill: var(--color-accent);
}

.cost-context {
  margin-top: 28px;
  padding: clamp(26px, 4vw, 46px);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  background: var(--color-panel);
}

.cost-context p {
  color: var(--color-muted);
}

.cost-context p:last-child {
  margin-bottom: 0;
}

.scenario-list {
  display: grid;
  gap: 18px;
}

.scenario-card {
  display: grid;
  min-width: 0;
  grid-template-columns: minmax(120px, .32fr) minmax(220px, .7fr) minmax(0, 1.7fr);
  gap: 24px;
  align-items: start;
  padding: clamp(24px, 3vw, 34px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
}

.scenario-card:nth-child(even) {
  background: var(--color-panel-raised);
}

.scenario-label {
  display: inline-flex;
  width: fit-content;
  max-width: 100%;
  align-items: center;
  padding: 5px 12px;
  border: 1px solid var(--color-accent-dark);
  border-radius: var(--radius-pill);
  color: var(--color-accent);
  font-size: 13px;
  white-space: nowrap;
}

.scenario-card h3 {
  margin-bottom: 0;
  font-size: clamp(22px, 2.3vw, 29px);
}

.scenario-card p {
  color: var(--color-muted);
}

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

.region-wall {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.region-panel {
  position: relative;
  min-width: 0;
  overflow: clip;
  padding: clamp(28px, 4vw, 44px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-panel);
}

.region-panel:nth-child(2),
.region-panel:nth-child(3) {
  background: var(--color-panel-raised);
}

.region-panel::after {
  position: absolute;
  right: -52px;
  bottom: -76px;
  width: 190px;
  height: 190px;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-pill);
  content: "";
  opacity: .14;
  pointer-events: none;
}

.region-symbol {
  display: grid;
  width: 50px;
  height: 50px;
  place-items: center;
  margin-bottom: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: 21px;
}

.region-panel p {
  position: relative;
  z-index: 1;
  margin-bottom: 0;
  color: var(--color-muted);
}

.nodes-close {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 36px;
  align-items: center;
  overflow: clip;
  padding: clamp(30px, 5vw, 56px);
  border: 1px solid var(--color-accent-dark);
  border-radius: var(--radius-xl);
  background: var(--color-panel-raised);
  box-shadow: 0 22px 70px var(--color-accent-glow);
}

.nodes-close-copy {
  min-width: 0;
  max-width: 760px;
}

.nodes-close h2 {
  margin-top: 20px;
  margin-bottom: 16px;
}

.nodes-close p {
  margin-bottom: 0;
  color: var(--color-muted);
}

.nodes-close .button-row {
  justify-content: flex-end;
}

@media (max-width: 1040px) {
  .nodes-hero-grid {
    grid-template-columns: 1fr;
  }

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

  .route-orbit svg {
    width: min(520px, 82vw);
  }

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

  .scenario-card {
    grid-template-columns: minmax(110px, .35fr) minmax(0, 1fr);
  }

  .scenario-card p {
    grid-column: 2;
  }
}

@media (max-width: 768px) {
  .nodes-hero-grid {
    min-height: auto;
  }

  .route-orbit {
    margin-top: 14px;
  }

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

  .nodes-fact-grid > div + div {
    border-top: 1px solid var(--color-hairline);
    border-left: 0;
  }

  .route-region-note,
  .scenario-card,
  .nodes-close {
    grid-template-columns: 1fr;
  }

  .scenario-card p {
    grid-column: auto;
  }

  .region-wall {
    grid-template-columns: 1fr;
  }

  .nodes-close .button-row {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .nodes-hero::before {
    right: -48%;
    width: 130vw;
    height: 130vw;
  }

  .nodes-hero-grid {
    padding-top: 44px;
    padding-bottom: 58px;
  }

  .nodes-hero-lede {
    font-size: 16px;
  }

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

  .route-orbit svg {
    width: min(480px, 96vw);
  }

  .route-region-note,
  .line-type-card,
  .scenario-card,
  .region-panel,
  .nodes-close {
    padding: 22px;
  }

  .line-type-card {
    transform: none;
  }

  .scenario-label {
    overflow: hidden;
  }
}