.nodes-hero {
  position: relative;
  overflow-x: clip;
  border-bottom: 1px solid var(--color-border);
}

.nodes-hero::after {
  position: absolute;
  right: -12%;
  bottom: -52%;
  width: min(680px, 76vw);
  height: 520px;
  background: radial-gradient(closest-side, var(--color-accent-haze), var(--color-accent-haze-soft) 54%, var(--color-transparent) 76%);
  content: "";
  pointer-events: none;
}

.nodes-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 620px;
  align-items: center;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  gap: clamp(48px, 7vw, 96px);
  padding-top: clamp(76px, 9vw, 124px);
  padding-bottom: clamp(76px, 9vw, 124px);
}

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

.nodes-hero-copy h1 {
  margin-top: 22px;
}

.nodes-lead {
  max-width: 620px;
  margin-bottom: 0;
  color: var(--color-text-muted);
  font-size: 17px;
}

.nodes-facts {
  justify-content: flex-start;
  margin-top: 28px;
}

.route-sketch {
  position: relative;
  min-height: 390px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-window);
}

.route-sketch::before {
  position: absolute;
  z-index: 2;
  top: 0;
  right: 12%;
  left: 12%;
  height: 1px;
  background: linear-gradient(90deg, var(--color-transparent), var(--color-accent), var(--color-transparent));
  box-shadow: 0 0 14px var(--color-accent-glow-strong);
  content: "";
}

.route-sketch::after {
  position: absolute;
  right: -18%;
  bottom: -36%;
  width: 70%;
  height: 70%;
  border-radius: var(--radius-pill);
  background: radial-gradient(circle, var(--color-accent-haze), var(--color-transparent) 70%);
  content: "";
}

.route-sketch-head {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 48px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-panel-raised);
  padding-inline: 18px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.route-sketch-head i {
  width: 7px;
  height: 7px;
  border-radius: var(--radius-pill);
  background: var(--color-success);
  box-shadow: 0 0 8px var(--color-success-glow);
}

.route-sketch svg {
  position: relative;
  z-index: 1;
  width: 100%;
  min-height: 280px;
  padding: 28px;
  color: var(--color-accent);
}

.route-sketch-labels {
  position: absolute;
  z-index: 2;
  right: 24px;
  bottom: 20px;
  left: 24px;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.region-jump {
  display: flex;
  max-width: 100%;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.region-jump a {
  display: inline-flex;
  min-height: 40px;
  flex: 0 0 auto;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  padding-inline: 17px;
  color: var(--color-text-muted);
  font-size: 13px;
  transition: border-color var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast);
}

.region-jump a:hover {
  border-color: var(--color-accent);
  background: var(--color-panel-raised);
  color: var(--color-accent);
}

.region-section {
  border-top: 1px solid var(--color-border-soft);
}

.region-section:nth-of-type(even) {
  background: var(--color-panel);
}

.region-heading {
  display: grid;
  align-items: end;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(30px, 6vw, 88px);
  margin-bottom: 34px;
}

.region-heading h2 {
  margin-bottom: 0;
}

.region-heading > p {
  margin-bottom: 4px;
  color: var(--color-text-muted);
}

.line-tag {
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel-raised);
  padding: 3px 10px;
  color: var(--color-text-muted);
  font-size: 12px;
  white-space: nowrap;
}

.line-tag.premium {
  border-color: var(--color-accent-dark);
  color: var(--color-accent);
}

.line-tag.relay {
  color: var(--color-success);
}

.line-tag.direct {
  color: var(--color-text-muted);
}

.table-note {
  margin-top: 18px;
  color: var(--color-text-muted);
  font-size: 13px;
}

.line-type-list {
  display: grid;
  gap: 18px;
}

.line-type-card {
  display: grid;
  min-width: 0;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 26px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  padding: clamp(24px, 4vw, 42px);
  box-shadow: var(--shadow-card);
  transform-style: preserve-3d;
}

.line-type-card.featured-type {
  border-top-color: var(--color-accent);
  background: var(--color-panel-raised);
}

.line-type-icon {
  display: grid;
  width: 68px;
  height: 68px;
  place-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-accent);
}

.line-type-icon svg {
  width: 38px;
  height: 38px;
}

.line-type-label {
  display: block;
  margin-bottom: 8px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.line-type-card h3 {
  margin-bottom: 16px;
}

.line-type-card p {
  color: var(--color-text-muted);
}

.line-type-card p + p {
  margin-top: 14px;
}

.line-type-card .fact-note {
  margin-top: 20px;
  margin-bottom: 0;
}

.advice-layout {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: clamp(40px, 7vw, 92px);
}

.advice-index {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  align-self: start;
  border-left: 1px solid var(--color-border);
  padding-left: 18px;
}

.advice-index a {
  display: flex;
  min-height: 42px;
  align-items: center;
  color: var(--color-text-muted);
  font-size: 13px;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.advice-index a:hover {
  color: var(--color-accent);
  transform: translateX(3px);
}

.advice-content {
  border-top: 1px solid var(--color-border);
}

.advice-item {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 24px;
  border-bottom: 1px solid var(--color-border);
  padding-top: 46px;
  padding-bottom: 46px;
  scroll-margin-top: calc(var(--header-height) + 24px);
}

.advice-mark {
  display: inline-flex;
  width: 64px;
  min-height: 30px;
  align-items: center;
  justify-content: center;
  align-self: start;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  background: var(--color-panel);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.advice-item h3 {
  font-size: clamp(21px, 2.2vw, 27px);
}

.advice-item p {
  color: var(--color-text-muted);
}

.advice-item p + p {
  margin-top: 14px;
}

.decision-panel {
  display: grid;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel-raised);
  grid-template-columns: minmax(0, 0.9fr) minmax(380px, 1.1fr);
  box-shadow: var(--shadow-window);
}

.decision-copy {
  display: flex;
  justify-content: center;
  flex-direction: column;
  border-right: 1px solid var(--color-border);
  padding: clamp(30px, 5vw, 58px);
}

.decision-copy p:last-child {
  color: var(--color-text-muted);
}

.decision-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.decision-list li {
  position: relative;
  display: grid;
  min-height: 112px;
  align-content: center;
  gap: 4px;
  border-bottom: 1px solid var(--color-border);
  padding: 22px 30px 22px 56px;
}

.decision-list li:last-child {
  border-bottom: 0;
}

.decision-list li::before {
  position: absolute;
  top: 32px;
  left: 28px;
  width: 10px;
  height: 10px;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-pill);
  background: var(--color-accent-dark);
  box-shadow: 0 0 10px var(--color-accent-glow);
  content: "";
}

.decision-list span {
  color: var(--color-text-muted);
  font-size: 14px;
}

.coverage-panel {
  position: relative;
  display: flex;
  overflow: hidden;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel-raised);
  padding: clamp(28px, 5vw, 54px);
}

.coverage-panel::after {
  position: absolute;
  right: -100px;
  bottom: -170px;
  width: 360px;
  height: 360px;
  border-radius: var(--radius-pill);
  background: radial-gradient(circle, var(--color-accent-haze), var(--color-transparent) 70%);
  content: "";
  pointer-events: none;
}

.coverage-panel > * {
  position: relative;
  z-index: 1;
}

.coverage-panel h2 {
  margin-bottom: 14px;
}

.coverage-panel p:last-child {
  max-width: 760px;
  color: var(--color-text-muted);
}

.coverage-actions {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 12px;
}

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

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

  .route-sketch {
    width: min(760px, 100%);
    min-height: 360px;
  }

  .decision-panel {
    grid-template-columns: 1fr;
  }

  .decision-copy {
    border-right: 0;
    border-bottom: 1px solid var(--color-border);
  }

  .coverage-panel {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 768px) {
  .nodes-hero-inner {
    gap: 48px;
    padding-top: 64px;
    padding-bottom: 72px;
  }

  .route-sketch {
    min-height: 320px;
  }

  .route-sketch svg {
    min-height: 240px;
    padding: 18px;
  }

  .route-sketch-labels {
    display: none;
  }

  .region-heading {
    align-items: start;
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .line-type-card {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 18px;
  }

  .line-type-icon {
    width: 60px;
    height: 60px;
  }

  .advice-layout {
    display: block;
  }

  .advice-index {
    display: none;
  }
}

@media (max-width: 640px) {
  .nodes-facts {
    align-items: stretch;
  }

  .route-sketch {
    min-height: 270px;
  }

  .route-sketch svg {
    min-height: 210px;
    padding: 12px;
  }

  .line-type-card {
    grid-template-columns: 1fr;
  }

  .line-type-icon {
    width: 56px;
    height: 56px;
  }

  .advice-item {
    grid-template-columns: 1fr;
    gap: 16px;
    padding-top: 36px;
    padding-bottom: 36px;
  }

  .decision-list li {
    padding-right: 20px;
    padding-left: 48px;
  }

  .decision-list li::before {
    left: 22px;
  }

  .coverage-actions {
    width: 100%;
    align-items: stretch;
    flex-direction: column;
  }

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

@media (max-width: 420px) {
  .route-sketch {
    min-height: 235px;
  }

  .route-sketch svg {
    min-height: 170px;
  }

  .route-sketch-head {
    padding-inline: 14px;
  }
}