.nodes-hero {
  padding-top: clamp(58px, 8vw, 104px);
  padding-bottom: clamp(62px, 8vw, 108px);
  border-bottom: 1px solid var(--color-border);
}

.nodes-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(420px, 1.1fr);
  gap: clamp(42px, 7vw, 92px);
  align-items: center;
}

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

.nodes-hero-copy h1 {
  max-width: 680px;
  margin-top: 20px;
}

.nodes-hero-actions {
  margin-top: 28px;
}

.nodes-fact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.route-directory {
  position: relative;
  min-width: 0;
  padding: clamp(18px, 3vw, 30px);
  box-shadow: var(--shadow-window);
  transform: rotate(1deg);
}

.route-directory::before {
  content: "";
  position: absolute;
  inset: 18px -14px -16px 20px;
  z-index: -1;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel-alt);
  transform: rotate(-2deg);
}

.directory-bar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-border);
}

.directory-bar > div {
  display: grid;
  gap: 4px;
}

.directory-kicker,
.directory-coverage,
.region-code,
.route-type-code,
.use-case-mark {
  font-family: var(--font-mono);
}

.directory-kicker {
  color: var(--color-muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
}

.directory-bar strong {
  color: var(--color-accent-dark);
  font-family: var(--font-display);
  font-size: 21px;
}

.directory-coverage {
  color: var(--color-accent);
  font-size: 13px;
  font-weight: 800;
}

.directory-region {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  min-width: 0;
  padding-top: 16px;
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--color-border);
}

.directory-region > div {
  display: grid;
  min-width: 0;
  gap: 2px;
}

.directory-region strong {
  color: var(--color-accent-dark);
}

.directory-region > div span {
  color: var(--color-muted);
  font-size: 12px;
  overflow-wrap: anywhere;
}

.region-code {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel-alt);
  color: var(--color-accent);
  font-size: 11px;
  font-weight: 800;
}

.directory-foot {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 18px;
  color: var(--color-muted);
  font-size: 12px;
}

.nodes-section {
  padding-top: var(--section-space);
  padding-bottom: var(--section-space);
}

.nodes-table-section,
.use-case-section,
.checklist-section {
  background: var(--color-panel);
}

.nodes-route-table {
  min-width: 720px;
}

.nodes-route-table caption {
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-panel);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  text-align: left;
}

.nodes-route-table td:first-child,
.nodes-route-table td:nth-child(2) {
  font-weight: 700;
}

.route-table-note {
  margin-top: 22px;
  padding: 20px 22px;
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--color-panel-alt);
}

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

.route-table-note p {
  margin-top: 8px;
  color: var(--color-muted);
}

.route-type-stack {
  display: grid;
  gap: 22px;
}

.route-type-card {
  display: grid;
  grid-template-columns: minmax(150px, .35fr) minmax(0, 1.65fr);
  gap: clamp(26px, 5vw, 64px);
  align-items: start;
  min-width: 0;
  padding: clamp(26px, 5vw, 48px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-soft);
  transform-style: preserve-3d;
}

.route-type-card:nth-child(even) {
  background: var(--color-panel-alt);
}

.route-type-label {
  display: grid;
  justify-items: start;
  gap: 14px;
}

.route-type-code {
  color: var(--color-accent);
  font-size: clamp(24px, 4vw, 42px);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1;
}

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

.route-type-copy h3 {
  margin-bottom: 16px;
}

.route-type-copy p {
  color: var(--color-muted);
  font-size: 16px;
  line-height: 1.85;
}

.cost-context {
  margin-top: 24px;
  padding: clamp(24px, 4vw, 38px);
}

.cost-context h3 {
  font-size: 22px;
}

.cost-context p {
  max-width: 960px;
  color: var(--color-muted);
  font-size: 16px;
  line-height: 1.85;
}

.use-case-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 18px;
}

.use-case-card {
  grid-column: span 4;
  min-width: 0;
  padding: clamp(22px, 3vw, 30px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
}

.use-case-card:nth-child(4),
.use-case-card:nth-child(5) {
  grid-column: span 6;
}

.use-case-mark {
  display: inline-block;
  margin-bottom: 24px;
  color: var(--color-accent);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .1em;
}

.use-case-card h3 {
  font-size: 23px;
}

.use-case-card p {
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.82;
}

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

.selection-layout {
  display: grid;
  grid-template-columns: minmax(0, .75fr) minmax(0, 1.25fr);
  gap: clamp(38px, 7vw, 90px);
  align-items: start;
}

.selection-copy {
  position: sticky;
  top: calc(var(--header-height) + 28px);
}

.selection-copy p {
  color: var(--color-muted);
  font-size: 16px;
  line-height: 1.85;
}

.selection-steps {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  counter-reset: selection-step;
  list-style: none;
}

.selection-steps li {
  position: relative;
  min-width: 0;
  padding: 24px 24px 24px 76px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-soft);
  counter-increment: selection-step;
}

.selection-steps li::before {
  content: counter(selection-step);
  position: absolute;
  top: 24px;
  left: 24px;
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-panel);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
}

.selection-steps h3 {
  margin-bottom: 8px;
  font-size: 20px;
}

.selection-steps p {
  color: var(--color-muted);
  line-height: 1.8;
}

.checklist-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.checklist-card {
  padding: clamp(24px, 4vw, 38px);
}

.checklist-card h3 {
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.checklist-card ul {
  display: grid;
  gap: 14px;
  margin: 0;
  padding-left: 1.2em;
}

.checklist-card li {
  color: var(--color-muted);
  line-height: 1.75;
}

.checklist-section .callout {
  margin-top: 28px;
  margin-bottom: 0;
  line-height: 1.8;
}

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

  .route-directory {
    max-width: 760px;
    transform: none;
  }

  .route-directory::before {
    transform: none;
  }

  .use-case-card {
    grid-column: span 6;
  }

  .use-case-card:last-child {
    grid-column: 4 / span 6;
  }
}

@media (max-width: 820px) {
  .route-type-card,
  .selection-layout {
    grid-template-columns: 1fr;
  }

  .route-type-label {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
  }

  .selection-copy {
    position: static;
  }
}

@media (max-width: 680px) {
  .nodes-hero {
    padding-top: 44px;
    padding-bottom: 62px;
  }

  .route-directory {
    padding: 16px;
  }

  .route-directory::before {
    inset: 12px -8px -10px 12px;
  }

  .directory-region {
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 10px;
  }

  .directory-region .route-type {
    grid-column: 2;
    justify-self: start;
  }

  .region-code {
    width: 38px;
    height: 38px;
  }

  .use-case-grid,
  .checklist-grid {
    grid-template-columns: 1fr;
  }

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

  .selection-steps li {
    padding: 68px 20px 22px;
  }

  .selection-steps li::before {
    top: 20px;
    left: 20px;
  }
}

@media (max-width: 420px) {
  .directory-bar {
    display: grid;
  }

  .directory-coverage {
    justify-self: start;
  }

  .route-type-card {
    padding: 22px 18px;
  }

  .route-type-code {
    font-size: 24px;
  }
}