.nodes-hero {
  position: relative;
  min-height: 680px;
  display: grid;
  align-items: center;
  padding-top: clamp(68px, 8vw, 108px);
  padding-bottom: clamp(72px, 9vw, 116px);
  overflow-x: clip;
  background:
    linear-gradient(var(--color-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-grid) 1px, transparent 1px),
    var(--color-bg);
  background-size: 72px 72px;
}

.nodes-hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(90deg, var(--color-bg), var(--color-ribbon-fade));
  pointer-events: none;
}

.nodes-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(460px, 1.08fr);
  align-items: center;
  gap: clamp(40px, 7vw, 96px);
}

.nodes-hero-copy {
  position: relative;
  z-index: 4;
  min-width: 0;
}

.nodes-hero-copy h1 {
  max-width: 650px;
}

.nodes-globe {
  position: relative;
  min-width: 0;
  min-height: 500px;
}

.nodes-globe-ribbon {
  position: absolute;
  z-index: 1;
  top: 108px;
  right: -160px;
  width: 720px;
  height: 176px;
  border-radius: 46% 12% 42% 18%;
  background: var(--gradient-ribbon);
  box-shadow: 0 28px 70px var(--color-accent-glow);
  opacity: 0.88;
  transform: rotate(19deg) skewX(-12deg);
}

.nodes-globe-ribbon::after {
  position: absolute;
  inset: 22px -18px auto 30px;
  height: 34px;
  border-radius: var(--radius-pill);
  content: "";
  background: var(--gradient-ribbon-highlight);
  opacity: 0.58;
}

.nodes-globe-card {
  position: absolute;
  z-index: 2;
  top: 24px;
  left: 50%;
  width: min(560px, 100%);
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-panel);
  box-shadow: var(--shadow-card-deep);
  transform: translateX(-50%) rotate(-1deg);
}

.nodes-globe-chrome {
  min-height: 50px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 0 22px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-muted);
  background: var(--color-panel-soft);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.nodes-map-art {
  width: 100%;
  height: auto;
  display: block;
  padding: 18px;
}

.map-orbit {
  stroke: var(--color-border-strong);
  stroke-width: 1.5;
}

.map-orbit-outer {
  stroke-dasharray: 6 7;
}

.map-route {
  stroke: var(--color-accent);
  stroke-width: 4;
  stroke-linecap: round;
}

.map-route-secondary {
  stroke: var(--color-success);
  stroke-width: 3;
}

.map-node {
  fill: var(--color-panel);
  stroke: var(--color-accent);
  stroke-width: 3;
}

.map-core {
  fill: var(--color-success);
}

.region-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--color-border);
  background: var(--color-panel-soft);
}

.region-strip span {
  min-width: 0;
  padding: 15px 8px;
  border-right: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font: 700 11px var(--font-mono);
  text-align: center;
}

.region-strip span:last-child {
  border-right: 0;
}

.nodes-toc-host {
  position: relative;
  z-index: 30;
  margin-top: -24px;
}

.nodes-toc-host .toc-tabs {
  width: fit-content;
  margin-inline: auto;
}

.directory-note {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 26px;
  margin-bottom: 24px;
  padding: 22px 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel-soft);
}

.directory-note p {
  max-width: 830px;
  margin: 5px 0 0;
  color: var(--color-text-muted);
}

.route-kind {
  max-width: 100%;
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 3px 9px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  color: var(--color-text-muted);
  background: var(--color-panel-soft);
  font-size: 12px;
  font-weight: 750;
}

.route-kind-premium {
  border-color: var(--color-accent);
  color: var(--color-accent-dark);
  background: var(--color-accent-soft);
}

.route-kind-direct {
  border-color: var(--color-success);
  color: var(--color-success-dark);
  background: var(--color-success-soft);
}

.route-browser {
  display: grid;
  grid-template-columns: minmax(210px, 0.28fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: start;
}

.route-index {
  position: sticky;
  top: calc(var(--toc-offset) + 78px);
  display: grid;
  gap: 8px;
}

.route-index a {
  min-width: 0;
  display: grid;
  gap: 3px;
  padding: 17px 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.route-index a:hover {
  border-color: var(--color-accent);
  box-shadow: 0 14px 34px var(--color-shadow);
  transform: translateX(4px);
}

.route-index span {
  font-weight: 800;
}

.route-index small {
  color: var(--color-text-muted);
}

.route-documents {
  min-width: 0;
  display: grid;
  gap: 22px;
}

.route-document {
  min-width: 0;
  padding: clamp(24px, 4vw, 42px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
  box-shadow: 0 18px 48px var(--color-shadow);
}

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

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

.route-document-head {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 24px;
}

.route-document-head h3 {
  margin-bottom: 3px;
}

.route-document-head p {
  margin-bottom: 0;
  font-size: 13px;
}

.route-marker {
  width: 72px;
  min-height: 48px;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  border-radius: var(--radius-sm);
  color: var(--color-panel);
  background: var(--gradient-accent);
  box-shadow: var(--shadow-button);
  font: 800 11px var(--font-mono);
}

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

.usecase-row {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(170px, 0.3fr) minmax(0, 1fr) auto;
  align-items: start;
  gap: clamp(22px, 4vw, 54px);
  padding-top: 34px;
  padding-bottom: 34px;
  border-bottom: 1px solid var(--color-border);
}

.usecase-label {
  min-width: 0;
}

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

.usecase-symbol {
  display: block;
  margin-bottom: 12px;
  color: var(--color-accent-dark);
  font: 800 11px var(--font-mono);
  letter-spacing: 0.08em;
}

.usecase-copy {
  min-width: 0;
}

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

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

.method-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(310px, 0.42fr);
  gap: clamp(28px, 6vw, 78px);
  align-items: start;
}

.method-steps {
  display: grid;
}

.method-step {
  position: relative;
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 18px;
  padding-bottom: 34px;
}

.method-step:not(:last-child)::before {
  position: absolute;
  top: 20px;
  bottom: 0;
  left: 7px;
  width: 2px;
  content: "";
  background: var(--color-border-strong);
}

.method-dot {
  position: relative;
  z-index: 1;
  width: 16px;
  height: 16px;
  margin-top: 7px;
  border: 4px solid var(--color-panel-soft);
  border-radius: var(--radius-pill);
  background: var(--color-success);
  box-shadow: 0 0 0 2px var(--color-success);
}

.method-step h3 {
  font-size: 22px;
}

.method-step p {
  margin-bottom: 0;
  color: var(--color-text-muted);
}

.selection-panel {
  position: sticky;
  top: calc(var(--toc-offset) + 78px);
  padding: 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
}

.selection-panel h3 {
  margin-top: 18px;
}

.selection-panel dl {
  margin: 0;
}

.selection-panel dl div {
  padding-top: 17px;
  padding-bottom: 17px;
  border-bottom: 1px solid var(--color-border);
}

.selection-panel dl div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.selection-panel dt {
  color: var(--color-text);
  font-weight: 750;
}

.selection-panel dd {
  margin: 5px 0 0;
  color: var(--color-text-muted);
  font-size: 14px;
}

.nodes-summary {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 34px;
  margin-top: clamp(52px, 8vw, 92px);
  padding: clamp(28px, 5vw, 52px);
  overflow: hidden;
  border-radius: var(--radius-lg);
  color: var(--color-panel);
  background: var(--color-text);
  box-shadow: var(--shadow-card-deep);
}

.nodes-summary::after {
  position: absolute;
  right: -80px;
  bottom: -90px;
  width: 260px;
  height: 170px;
  border-radius: 50%;
  content: "";
  background: var(--gradient-ribbon);
  opacity: 0.7;
  transform: rotate(-18deg);
}

.nodes-summary > div {
  position: relative;
  z-index: 1;
}

.nodes-summary h2 {
  margin-top: 18px;
  margin-bottom: 10px;
  color: var(--color-panel);
  font-size: clamp(28px, 4vw, 40px);
}

.nodes-summary p {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--color-border-strong);
}

.nodes-summary-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

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

  .nodes-globe {
    width: min(620px, 100%);
    min-height: 480px;
    margin-inline: auto;
  }

  .route-browser {
    grid-template-columns: 1fr;
  }

  .route-index {
    position: static;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .method-layout {
    grid-template-columns: 1fr;
  }

  .selection-panel {
    position: static;
  }

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

  .nodes-summary-actions {
    justify-content: flex-start;
  }
}

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

  .nodes-globe {
    min-height: 420px;
  }

  .nodes-globe-card {
    transform: translateX(-50%);
  }

  .route-index {
    grid-template-columns: 1fr;
  }

  .usecase-row {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .usecase-row .fact-pill {
    width: fit-content;
  }

  .directory-note {
    flex-direction: column;
  }

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

@media (max-width: 520px) {
  .nodes-globe {
    min-height: 330px;
  }

  .nodes-globe-ribbon {
    top: 78px;
    right: -230px;
    height: 130px;
  }

  .nodes-globe-card {
    border-radius: var(--radius-lg);
  }

  .nodes-map-art {
    padding: 8px;
  }

  .region-strip span {
    padding-inline: 4px;
    font-size: 9px;
  }

  .route-document {
    padding: 22px 18px;
  }

  .route-document-head {
    flex-direction: column;
  }

  .nodes-summary-actions,
  .nodes-summary-actions .button {
    width: 100%;
  }
}