.nodes-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border-soft);
  background:
    linear-gradient(180deg, var(--color-panel-raised), var(--color-bg)),
    var(--color-bg);
  isolation: isolate;
}

.nodes-hero::before {
  position: absolute;
  inset: 0;
  z-index: -2;
  content: "";
  background-image:
    linear-gradient(var(--color-grid) 1px, var(--color-transparent) 1px),
    linear-gradient(90deg, var(--color-grid) 1px, var(--color-transparent) 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black, transparent);
}

.nodes-hero::after {
  position: absolute;
  top: -220px;
  right: -140px;
  z-index: -1;
  width: 620px;
  height: 620px;
  content: "";
  border: 1px solid var(--color-accent-line);
  border-radius: var(--radius-pill);
  background: radial-gradient(circle, var(--color-accent-haze), var(--color-transparent));
}

.nodes-hero-inner {
  min-height: 610px;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  align-items: center;
  gap: clamp(42px, 7vw, 96px);
  padding-top: clamp(72px, 9vw, 118px);
  padding-bottom: clamp(72px, 9vw, 118px);
}

.nodes-hero-copy h1 {
  max-width: 720px;
  margin-top: 20px;
  margin-bottom: 22px;
}

.nodes-hero-lead {
  max-width: 680px;
  margin-bottom: 22px;
  color: var(--color-text-muted);
  font-size: var(--text-lg);
}

.nodes-fact-row {
  margin-bottom: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.nodes-permission {
  min-width: 0;
}

.nodes-route-ledger {
  border-right: 1px solid var(--color-border-soft);
  border-bottom: 1px solid var(--color-border-soft);
  border-left: 1px solid var(--color-border-soft);
  background: var(--color-bg);
}

.nodes-route-line {
  min-height: 54px;
  display: grid;
  grid-template-columns: 86px 132px minmax(0, 1fr);
  align-items: center;
  border-top: 1px solid var(--color-border-soft);
  color: var(--color-text-muted);
  font-size: 12px;
}

.nodes-route-line:first-child {
  border-top: 0;
}

.nodes-route-line strong {
  padding-inline: 14px;
  border-left: 1px solid var(--color-border-soft);
  border-right: 1px solid var(--color-border-soft);
  font-size: 13px;
}

.nodes-route-line > span:last-child {
  padding-inline: 14px;
}

.nodes-route-key {
  padding-inline: 14px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.nodes-toc-host {
  position: relative;
  z-index: 50;
  border-bottom: 1px solid var(--color-border-soft);
  background: var(--color-panel-raised);
}

.nodes-toc-host .toc-tabs {
  border-top: 0;
}

.nodes-section-head {
  max-width: 850px;
  margin-bottom: 38px;
}

.nodes-section-head .section-kicker {
  margin-bottom: 16px;
}

.nodes-section-head h2 {
  margin-bottom: 16px;
}

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

.route-label {
  display: inline-flex;
  align-items: center;
  min-height: 25px;
  max-width: 100%;
  padding-inline: 9px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-none);
  color: var(--color-warn);
  background: var(--color-bg);
  font-family: var(--font-mono);
  font-size: 10px;
  white-space: nowrap;
  text-overflow: ellipsis;
}

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

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

.route-entry {
  display: grid;
  grid-template-columns: 118px minmax(210px, 0.7fr) minmax(0, 1.8fr);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}

.route-entry-index {
  padding: 29px 20px;
  border-right: 1px solid var(--color-border-soft);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.08em;
}

.route-entry-state {
  padding: 29px 24px;
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  gap: 9px;
  border-right: 1px solid var(--color-border-soft);
  color: var(--color-text-dim);
  font-family: var(--font-mono);
  font-size: 11px;
}

.route-state-arrow {
  color: var(--color-border);
}

.route-state-after {
  color: var(--color-accent);
}

.route-entry-copy {
  padding: 29px clamp(24px, 4vw, 46px);
}

.route-entry-copy h3 {
  margin-bottom: 13px;
  font-size: 21px;
}

.route-entry-copy p {
  color: var(--color-text-muted);
}

.route-entry-copy p:last-child {
  margin-bottom: 0;
}

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

.use-case-row {
  display: grid;
  grid-template-columns: minmax(210px, 0.65fr) minmax(0, 1.6fr);
  border-bottom: 1px solid var(--color-border-soft);
}

.use-case-title {
  padding: 30px 26px 30px 0;
  border-right: 1px solid var(--color-border-soft);
}

.use-case-title h3 {
  margin-bottom: 0;
  font-size: 22px;
}

.use-case-mark {
  display: block;
  margin-bottom: 14px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.09em;
}

.use-case-copy {
  padding: 30px 0 30px clamp(26px, 4vw, 50px);
  color: var(--color-text-muted);
}

.use-case-copy p:last-child {
  margin-bottom: 0;
}

.region-wall {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}

.region-tile {
  min-height: 230px;
  grid-column: span 3;
  padding: 28px;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}

.region-tile-primary {
  background:
    linear-gradient(145deg, var(--color-accent-haze), var(--color-panel-raised)),
    var(--color-panel-raised);
}

.region-code {
  display: block;
  margin-bottom: 52px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
}

.region-tile strong {
  display: block;
  margin-bottom: 10px;
  font-size: 20px;
}

.region-tile p {
  margin-bottom: 0;
  color: var(--color-text-muted);
  font-size: 13px;
}

.nodes-note-grid .panel {
  border-top-color: var(--color-accent-line);
}

.nodes-note-grid h3 {
  margin-bottom: 14px;
  font-size: 20px;
}

.nodes-note-grid p {
  color: var(--color-text-muted);
}

.nodes-note-grid p:last-child {
  margin-bottom: 0;
}

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

  .nodes-hero-copy {
    max-width: 760px;
  }

  .nodes-permission {
    max-width: 760px;
  }

  .route-entry {
    grid-template-columns: 96px minmax(190px, 0.7fr) minmax(0, 1.6fr);
  }

  .region-tile {
    grid-column: span 6;
  }
}

@media (max-width: 768px) {
  .nodes-hero::after {
    top: -180px;
    right: -280px;
  }

  .nodes-hero-inner {
    gap: 42px;
    padding-top: 64px;
    padding-bottom: 64px;
  }

  .nodes-hero-lead {
    font-size: var(--text-md);
  }

  .route-entry {
    grid-template-columns: 88px minmax(0, 1fr);
  }

  .route-entry-index {
    grid-row: 1 / span 2;
  }

  .route-entry-state {
    border-right: 0;
    border-bottom: 1px solid var(--color-border-soft);
  }

  .route-entry-copy {
    grid-column: 2;
  }

  .use-case-row {
    grid-template-columns: minmax(0, 1fr);
  }

  .use-case-title {
    padding: 26px 0 18px;
    border-right: 0;
  }

  .use-case-copy {
    padding: 0 0 30px;
  }
}

@media (max-width: 640px) {
  .nodes-route-line {
    grid-template-columns: 76px minmax(0, 1fr);
  }

  .nodes-route-line strong {
    min-height: 48px;
    display: flex;
    align-items: center;
    border-right: 0;
  }

  .nodes-route-line > span:last-child {
    grid-column: 1 / -1;
    padding-top: 10px;
    padding-bottom: 10px;
    border-top: 1px solid var(--color-border-soft);
  }

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

  .route-entry-index {
    grid-row: auto;
    padding: 18px 20px;
    border-right: 0;
    border-bottom: 1px solid var(--color-border-soft);
  }

  .route-entry-state {
    padding: 20px;
  }

  .route-entry-copy {
    grid-column: auto;
    padding: 24px 20px;
  }

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

  .region-tile {
    min-height: 0;
    grid-column: auto;
  }

  .region-code {
    margin-bottom: 30px;
  }
}