.nodes-hero {
  padding-top: clamp(54px, 8vw, 96px);
  padding-bottom: clamp(58px, 8vw, 94px);
  border-bottom: 1px solid var(--color-border);
}

.nodes-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, .86fr) minmax(440px, 1.14fr);
  gap: clamp(38px, 7vw, 96px);
  align-items: center;
}

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

.nodes-hero h1 {
  max-width: 640px;
  margin-top: 20px;
  margin-bottom: 20px;
}

.nodes-lead {
  max-width: 650px;
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: clamp(16px, 1.5vw, 19px);
}

.nodes-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.nodes-hero .trust-row {
  justify-content: flex-start;
  margin-top: 18px;
}

.route-sheet {
  min-width: 0;
  padding: clamp(18px, 3vw, 30px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-m);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
  transform: rotate(-.35deg);
}

.route-sheet-head,
.route-sheet-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .12em;
}

.route-sheet-head {
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--color-border);
}

.route-sheet-head b {
  color: var(--color-accent);
  font-weight: 800;
}

.route-sheet-foot {
  padding-top: 12px;
  border-top: 1px dashed var(--color-border);
}

.route-diagram {
  width: 100%;
  margin-top: 10px;
  margin-bottom: 10px;
  color: var(--color-text);
}

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

.route-path {
  fill: none;
  stroke: var(--color-muted);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.route-path-primary {
  stroke: var(--color-accent);
  stroke-width: 3;
}

.route-node {
  fill: var(--color-panel);
  stroke: var(--color-text);
  stroke-width: 2;
}

.route-node-accent {
  fill: var(--color-accent);
  stroke: var(--color-panel);
  stroke-width: 4;
}

.section-intro {
  max-width: 900px;
  margin-bottom: clamp(30px, 5vw, 54px);
}

.section-intro h2 {
  max-width: 780px;
}

.section-intro > p:last-child {
  max-width: 850px;
  margin-bottom: 0;
  color: var(--color-muted);
}

.coverage-ledger {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.coverage-ledger article {
  min-width: 0;
  padding: 28px clamp(18px, 3vw, 34px);
  border-left: 1px solid var(--color-border);
}

.coverage-ledger article:first-child {
  border-left: 0;
}

.coverage-ledger .section-number {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--color-accent);
  font-size: 11px;
  letter-spacing: .14em;
}

.coverage-ledger h3 {
  margin-bottom: 10px;
  font-size: 19px;
}

.coverage-ledger p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 14px;
}

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

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

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

.nodes-directory .location-table td:first-child {
  font-weight: 680;
}

.route-label {
  display: inline-flex;
  max-width: 100%;
  align-items: center;
  padding: 3px 10px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.4;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

.route-theorem {
  display: grid;
  grid-template-columns: minmax(230px, .7fr) minmax(0, 1.5fr);
  gap: clamp(32px, 7vw, 104px);
  padding-top: clamp(36px, 5vw, 58px);
  padding-bottom: clamp(36px, 5vw, 58px);
  border-bottom: 1px solid var(--color-border);
}

.route-theorem-title {
  display: flex;
  min-width: 0;
  align-items: flex-start;
  gap: 18px;
}

.route-symbol {
  display: grid;
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-s);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 800;
}

.route-theorem-title p {
  margin-bottom: 5px;
  color: var(--color-muted);
  font-size: 10px;
  letter-spacing: .12em;
}

.route-theorem-title h3 {
  margin-bottom: 0;
  font-size: 24px;
}

.route-theorem-body {
  min-width: 0;
  color: var(--color-muted);
}

.route-theorem-body p:last-child {
  margin-bottom: 0;
}

.use-guide {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-panel-soft);
}

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

.use-ledger article {
  display: grid;
  grid-template-columns: minmax(220px, .68fr) minmax(0, 1.5fr);
  gap: clamp(30px, 7vw, 100px);
  padding: 34px 8px;
  border-bottom: 1px solid var(--color-border);
}

.use-heading {
  min-width: 0;
}

.use-mark {
  display: inline-block;
  margin-bottom: 11px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: .14em;
}

.use-heading h3 {
  margin-bottom: 0;
  font-size: 20px;
}

.use-ledger article > div:last-child {
  min-width: 0;
  color: var(--color-muted);
}

.use-ledger article > div:last-child p:last-child {
  margin-bottom: 0;
}

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

.decision-sheet article {
  min-width: 0;
  padding: clamp(24px, 4vw, 38px);
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.decision-term {
  display: inline-block;
  margin-bottom: 16px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
}

.decision-sheet h3 {
  font-size: 20px;
}

.decision-sheet p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 14px;
}

.nodes-final {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(28px, 6vw, 80px);
  align-items: center;
  padding: clamp(28px, 5vw, 54px);
  box-shadow: var(--shadow-card);
}

.nodes-final h2 {
  margin-bottom: 12px;
  font-size: clamp(28px, 4vw, 42px);
}

.nodes-final p:last-child {
  max-width: 780px;
  margin-bottom: 0;
  color: var(--color-muted);
}

.nodes-final-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 150px;
}

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

  .route-sheet {
    width: min(760px, 100%);
    margin-inline: auto;
  }

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

  .coverage-ledger article {
    border-top: 1px solid var(--color-border);
    border-left: 0;
  }

  .coverage-ledger article:first-child {
    border-top: 0;
  }
}

@media (max-width: 768px) {
  .nodes-hero {
    padding-top: 42px;
    padding-bottom: 58px;
  }

  .nodes-hero h1 {
    max-width: 100%;
  }

  .route-sheet {
    transform: none;
  }

  .route-sheet-foot {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .route-theorem,
  .use-ledger article {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
  }

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

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

  .nodes-final-actions {
    flex-direction: row;
    flex-wrap: wrap;
  }
}

@media (max-width: 640px) {
  .nodes-actions {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }

  .nodes-actions .btn,
  .nodes-final-actions .btn {
    width: 100%;
  }

  .route-sheet {
    padding: 16px;
  }

  .route-sheet-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
  }

  .route-diagram {
    min-width: 520px;
  }

  .route-sheet {
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    -webkit-overflow-scrolling: touch;
  }

  .nodes-final-actions {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }
}