:root {
  --node-hero-max: 900px;
  --node-table-min: 720px;
  --node-seal-size: 88px;
  --node-mark-size: 58px;
}

.node-hero {
  position: relative;
  padding-top: clamp(68px, 9vw, 118px);
  padding-bottom: clamp(58px, 8vw, 96px);
  overflow-x: clip;
  border-bottom: 1px solid var(--color-line);
  background: var(--color-page);
  text-align: center;
}

.node-hero-glow {
  position: absolute;
  top: -210px;
  left: 50%;
  width: min(1180px, 118vw);
  height: 590px;
  border-radius: 46%;
  background: linear-gradient(122deg, var(--color-glow-warm), var(--color-glow-cool));
  filter: blur(66px);
  opacity: .76;
  pointer-events: none;
  transform: translateX(-50%) rotate(-4deg);
}

.node-hero-inner {
  position: relative;
  z-index: 1;
}

.node-hero h1 {
  max-width: var(--node-hero-max);
  margin: 22px auto 18px;
  font-size: clamp(52px, 6vw, 70px);
}

.node-hero-lead {
  margin-inline: auto;
}

.node-hero-lead strong {
  color: var(--color-text);
}

.node-facts {
  width: min(920px, 100%);
  margin: 38px auto 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  overflow: clip;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-raised);
}

.node-fact {
  min-width: 0;
  padding: 20px 18px;
  display: grid;
  gap: 3px;
  border-right: 1px solid var(--color-line);
}

.node-fact:last-child {
  border-right: 0;
}

.node-fact-value {
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 900;
}

.node-fact-label {
  color: var(--color-text-muted);
  font-size: 12px;
  font-weight: 700;
}

.directory-wrap {
  position: relative;
  z-index: 10;
  margin-top: -23px;
}

.region-jump {
  margin-bottom: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.region-jump a {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  gap: 8px;
  padding: 8px 15px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-text-muted);
  font-weight: 750;
  transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
}

.region-jump a:hover {
  border-color: var(--color-link);
  background: var(--color-link-soft);
  color: var(--color-link);
}

.route-register {
  display: grid;
  gap: 34px;
}

.route-region {
  min-width: 0;
  scroll-margin-top: calc(var(--toc-top) + 78px);
}

.route-region-head {
  margin-bottom: 16px;
  display: grid;
  grid-template-columns: minmax(220px, .7fr) minmax(0, 1.3fr);
  align-items: end;
  gap: 28px;
}

.route-region-head > * {
  min-width: 0;
}

.route-region-head h3 {
  margin-bottom: 0;
}

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

.route-region-code {
  display: block;
  margin-bottom: 6px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .16em;
}

.route-region .table-scroll {
  box-shadow: var(--shadow-panel);
}

.route-region .server-table {
  min-width: var(--node-table-min);
}

.route-region .server-table th:first-child,
.route-region .server-table td:first-child {
  min-width: 180px;
}

.route-region .server-table td {
  color: var(--color-text-muted);
}

.route-region .server-table td:first-child {
  color: var(--color-text);
  font-weight: 750;
}

.route-note {
  margin-top: 28px;
}

.type-section {
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  background: var(--color-surface-muted);
}

.type-ledger {
  display: grid;
  gap: 14px;
}

.type-entry {
  min-width: 0;
  padding: clamp(24px, 4vw, 38px);
  display: grid;
  grid-template-columns: var(--node-seal-size) minmax(0, 1fr);
  align-items: start;
  gap: clamp(22px, 4vw, 42px);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-panel);
}

.type-seal {
  width: var(--node-seal-size);
  height: var(--node-seal-size);
  display: grid;
  flex-shrink: 0;
  place-items: center;
  border: 3px double var(--color-accent);
  border-radius: var(--radius-pill);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 850;
  transform: rotate(-5deg);
}

.type-seal.is-link {
  border-color: var(--color-link);
  color: var(--color-link);
  transform: rotate(4deg);
}

.type-seal.is-neutral {
  border-color: var(--color-text-muted);
  color: var(--color-text-muted);
  transform: rotate(-3deg);
}

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

.type-entry-title {
  margin-bottom: 14px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.type-entry-title h3 {
  margin-bottom: 0;
}

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

.cost-note {
  margin-top: 22px;
}

.cost-note h3 {
  margin-bottom: 10px;
}

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

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

.use-case {
  min-width: 0;
  padding-top: 30px;
  padding-bottom: 30px;
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 34px;
  border-bottom: 1px solid var(--color-line);
}

.use-case-label {
  width: max-content;
  max-width: 100%;
  height: max-content;
  padding: 7px 13px;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-pill);
  background: var(--color-accent-soft);
  color: var(--color-accent-deep);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
}

.use-case h3 {
  margin-bottom: 10px;
}

.use-case p {
  color: var(--color-text-muted);
}

.region-section {
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  background: var(--color-surface);
}

.region-wall {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.region-mark {
  min-width: 0;
  padding: 22px;
  display: grid;
  grid-template-columns: var(--node-mark-size) minmax(0, 1fr);
  align-items: center;
  gap: 4px 16px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-page);
}

.region-mark-symbol {
  width: var(--node-mark-size);
  height: var(--node-mark-size);
  grid-row: span 2;
  display: grid;
  place-items: center;
  border: 3px double var(--color-accent);
  border-radius: var(--radius-pill);
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 900;
}

.region-mark strong {
  color: var(--color-text);
  font-size: 16px;
}

.region-mark span:last-child {
  color: var(--color-text-muted);
  font-size: 13px;
}

.coverage-explain {
  margin-top: 24px;
}

.coverage-explain h3 {
  margin-bottom: 10px;
  font-size: 22px;
}

.coverage-explain p {
  color: var(--color-text-muted);
}

.switch-steps {
  margin: 0;
  padding: 0;
  display: grid;
  list-style: none;
  counter-reset: switch-step;
}

.switch-steps li {
  position: relative;
  min-width: 0;
  padding: 26px 0 26px 76px;
  border-bottom: 1px solid var(--color-line);
  counter-increment: switch-step;
}

.switch-steps li:first-child {
  border-top: 1px solid var(--color-line);
}

.switch-steps li::before {
  position: absolute;
  top: 28px;
  left: 0;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-pill);
  color: var(--color-accent);
  content: counter(switch-step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 850;
}

.switch-steps h3 {
  margin-bottom: 8px;
  font-size: 22px;
}

.switch-steps p {
  color: var(--color-text-muted);
}

#switching .callout {
  margin-top: 28px;
}

.route-actions {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 960px) {
  .node-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .node-fact:nth-child(2) {
    border-right: 0;
  }

  .node-fact:nth-child(-n + 2) {
    border-bottom: 1px solid var(--color-line);
  }

  .route-region-head {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }

  .region-wall {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .node-hero {
    padding-top: 54px;
  }

  .node-hero h1 {
    font-size: clamp(28px, 9vw, 40px);
  }

  .node-hero-glow {
    top: -120px;
    width: 150vw;
    height: 470px;
    filter: blur(48px);
  }

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

  .type-seal,
  .type-seal.is-link,
  .type-seal.is-neutral {
    transform: none;
  }

  .use-case {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

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

@media (max-width: 640px) {
  .node-fact {
    padding: 16px 12px;
  }

  .node-fact-value {
    font-size: 17px;
  }

  .region-jump {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .region-jump a {
    min-width: 0;
    justify-content: center;
    border-radius: var(--radius-sm);
  }

  .type-entry {
    padding: 22px;
  }

  .region-mark {
    padding: 18px;
  }

  .switch-steps li {
    padding-left: 62px;
  }

  .switch-steps li::before {
    width: 38px;
    height: 38px;
  }

  .route-actions {
    display: grid;
  }
}

@media (prefers-reduced-motion: reduce) {
  .node-hero-glow {
    transform: translateX(-50%);
  }

  .type-seal,
  .type-seal.is-link,
  .type-seal.is-neutral {
    transform: none;
  }
}