.nodes-main {
  overflow-x: clip;
}

.nodes-hero {
  position: relative;
  padding-top: clamp(70px, 9vw, 118px);
  padding-bottom: clamp(64px, 8vw, 104px);
  overflow: hidden;
}

.nodes-hero::before {
  position: absolute;
  top: 10%;
  right: -12%;
  width: min(56vw, 680px);
  aspect-ratio: 1;
  border-radius: var(--radius-pill);
  background: radial-gradient(circle, var(--color-panel-deep), transparent 68%);
  content: "";
  pointer-events: none;
}

.nodes-hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(420px, 0.92fr);
  align-items: center;
  gap: clamp(38px, 7vw, 92px);
}

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

.nodes-hero h1 {
  max-width: 760px;
  margin-top: 20px;
  margin-bottom: 22px;
}

.nodes-hero .lead {
  max-width: 720px;
}

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

.coverage-board {
  min-width: 0;
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
}

.coverage-board-head {
  margin-bottom: 26px;
  padding-bottom: 18px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--color-border);
}

.coverage-board-head .eyebrow {
  margin-bottom: 0;
}

.coverage-facts {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.coverage-facts div {
  min-width: 0;
  padding: 20px;
}

.coverage-facts div:nth-child(odd) {
  border-right: 1px solid var(--color-border);
}

.coverage-facts div:nth-child(n + 3) {
  border-top: 1px solid var(--color-border);
}

.coverage-facts dt {
  margin-bottom: 7px;
  color: var(--color-text-soft);
  font-size: 13px;
}

.coverage-facts dd {
  margin: 0;
  color: var(--color-accent-deep);
  font-family: var(--font-mono);
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 800;
  line-height: 1.3;
}

.region-strip {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.region-strip span {
  min-height: 30px;
  padding: 5px 12px;
  display: inline-flex;
  align-items: center;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel-deep);
  color: var(--color-text-soft);
  font-size: 13px;
}

.nodes-toc-wrap {
  position: relative;
  z-index: 44;
}

.nodes-location-table caption {
  padding: 15px 18px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-panel);
  color: var(--color-text-soft);
  font-size: 13px;
  text-align: left;
}

.nodes-location-table td,
.nodes-location-table th {
  white-space: nowrap;
}

.line-kind {
  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-deep);
  color: var(--color-text-soft);
  font-size: 12px;
  font-weight: 750;
}

.line-kind-primary {
  border-color: var(--color-accent);
  color: var(--color-accent-deep);
}

.line-kind-direct {
  border-style: dashed;
}

.nodes-table-note {
  margin-top: 24px;
}

.nodes-types-section,
.nodes-switching-section {
  background: var(--color-panel-deep);
}

.route-type-ledger {
  border-top: 1px solid var(--color-border);
}

.route-type-entry {
  padding-top: 34px;
  padding-bottom: 34px;
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: clamp(20px, 4vw, 42px);
  border-bottom: 1px solid var(--color-border);
  transform-style: preserve-3d;
  will-change: transform;
}

.route-type-mark {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-accent-deep);
  font-family: var(--font-mono);
  font-weight: 800;
}

.route-type-copy {
  min-width: 0;
}

.route-type-title {
  margin-bottom: 12px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
}

.route-type-title h3 {
  margin-bottom: 0;
}

.route-type-copy p {
  max-width: 920px;
  color: var(--color-text-soft);
}

.type-comparison {
  margin-top: 42px;
}

.usage-guide {
  border-top: 1px solid var(--color-border);
}

.usage-entry {
  padding-top: 36px;
  padding-bottom: 36px;
  display: grid;
  grid-template-columns: minmax(180px, 0.5fr) minmax(0, 1.5fr);
  gap: clamp(28px, 6vw, 82px);
  border-bottom: 1px solid var(--color-border);
}

.usage-label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.usage-label h3 {
  margin-bottom: 0;
  font-size: 22px;
}

.usage-dot {
  width: 12px;
  height: 12px;
  margin-top: 8px;
  flex: 0 0 auto;
  border: 3px solid var(--color-panel);
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  box-shadow: 0 0 0 1px var(--color-accent);
}

.usage-content {
  min-width: 0;
}

.usage-content p {
  color: var(--color-text-soft);
}

.switching-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(300px, 0.7fr);
  align-items: start;
  gap: 28px;
}

.switching-steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}

.switching-steps article {
  min-width: 0;
  padding: clamp(24px, 3vw, 34px);
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-panel);
}

.switching-key {
  margin-bottom: 18px;
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: var(--color-panel-deep);
  color: var(--color-accent-deep);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
}

.switching-steps h3 {
  font-size: 21px;
}

.switching-steps p,
.switching-aside p {
  color: var(--color-text-soft);
}

.switching-aside {
  padding: clamp(24px, 4vw, 36px);
  position: sticky;
  top: var(--toc-offset);
}

.switching-aside h3 {
  font-size: 23px;
}

.switching-aside .btn-secondary {
  width: 100%;
  margin-top: 10px;
}

.coverage-notes-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}

.coverage-note {
  min-width: 0;
  padding: clamp(24px, 4vw, 38px);
  border-top: 0;
  border-left: 0;
  border-radius: 0;
}

.coverage-note h3 {
  font-size: 22px;
}

.coverage-note p {
  color: var(--color-text-soft);
}

.coverage-final-note {
  margin-top: 30px;
}

@media (max-width: 980px) {
  .nodes-hero-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .coverage-board {
    max-width: 760px;
  }

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

  .switching-aside {
    position: static;
  }
}

@media (max-width: 768px) {
  .nodes-hero {
    padding-top: 58px;
    padding-bottom: 58px;
  }

  .route-type-entry {
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 16px;
  }

  .route-type-mark {
    width: 44px;
    height: 44px;
  }

  .usage-entry {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }

  .switching-steps,
  .coverage-notes-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 640px) {
  .nodes-hero-actions {
    width: 100%;
  }

  .nodes-hero-actions .btn-primary,
  .nodes-hero-actions .btn-secondary {
    width: 100%;
  }

  .coverage-board {
    padding: 20px;
  }

  .coverage-facts div {
    padding: 16px 12px;
  }

  .coverage-facts dd {
    font-size: 17px;
  }

  .route-type-entry {
    grid-template-columns: minmax(0, 1fr);
  }

  .route-type-mark {
    width: 40px;
    height: 40px;
  }
}