.nodes-hero {
  position: relative;
  overflow-x: clip;
  border-bottom: 1px solid var(--color-border-soft);
  background:
    radial-gradient(circle at 78% 42%, var(--color-glow-green), transparent 24rem),
    radial-gradient(circle at 18% 20%, var(--color-glow-blue), transparent 30rem),
    linear-gradient(180deg, var(--color-canvas), var(--color-canvas-deep));
}

.nodes-hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background-image:
    linear-gradient(var(--color-border-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border-soft) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.16;
  mask-image: linear-gradient(90deg, transparent, var(--color-white), transparent);
  pointer-events: none;
}

.nodes-hero-layout {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(480px, 1.08fr);
  gap: 76px;
  align-items: center;
  min-height: 720px;
  padding-top: 72px;
  padding-bottom: 78px;
}

.nodes-hero-copy {
  position: relative;
  z-index: 1;
  max-width: 610px;
}

.nodes-hero-copy h1 {
  max-width: 590px;
}

.nodes-hero-copy .lead {
  max-width: 590px;
}

.nodes-hero-copy .button-row {
  margin-top: 30px;
}

.nodes-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin: 25px 0 0;
  padding: 0;
  list-style: none;
}

.nodes-trust li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--color-text-muted);
  font-size: 12px;
  font-weight: 700;
}

.nodes-trust svg {
  flex: 0 0 auto;
  width: 15px;
  height: 15px;
  color: var(--color-success);
}

.route-index-window {
  position: relative;
  z-index: 1;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
  box-shadow: var(--shadow-window);
}

.route-index-window::before {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  content: "";
  box-shadow: inset 0 1px 0 var(--color-border-soft);
  pointer-events: none;
}

.route-index-chrome {
  display: flex;
  align-items: center;
  min-height: 54px;
  padding: 0 18px;
  border-bottom: 1px solid var(--color-border-soft);
  background: linear-gradient(90deg, var(--color-panel), var(--color-panel-raised));
}

.route-index-title {
  color: var(--color-text);
  font-size: 13px;
  font-weight: 780;
}

.route-index-state {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-left: auto;
  color: var(--color-success);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 750;
  letter-spacing: 0.08em;
}

.route-index-state::before {
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  content: "";
  background: var(--color-success);
  box-shadow: 0 0 12px var(--color-success);
}

.route-index-body {
  padding: 22px;
}

.route-index-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.route-index-summary > div {
  padding: 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: linear-gradient(145deg, var(--color-panel-raised), var(--color-panel));
}

.route-index-summary strong {
  display: block;
  color: var(--color-success);
  font-family: var(--font-display);
  font-size: 34px;
  font-weight: 900;
  line-height: 1.1;
}

.route-index-summary span {
  display: block;
  margin-top: 5px;
  color: var(--color-text-faint);
  font-size: 11px;
  font-weight: 700;
}

.region-rail {
  display: grid;
  gap: 8px;
}

.region-rail a {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  min-height: 56px;
  padding: 10px 14px;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  background: var(--color-panel-subtle);
  transition:
    border-color var(--transition-fast),
    background var(--transition-fast),
    transform var(--transition-fast);
}

.region-rail a:hover {
  border-color: var(--color-accent-bright);
  background: var(--color-panel-raised);
  transform: translateX(3px);
}

.region-rail svg {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  color: var(--color-success);
}

.region-code {
  color: var(--color-success);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.07em;
}

.route-index-note {
  margin: 16px 0 0;
  color: var(--color-text-faint);
  font-size: 11px;
  line-height: 1.7;
}

.route-fact-band {
  display: grid;
  grid-template-columns: 0.9fr 1.5fr 0.7fr;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
}

.route-fact-band > div {
  min-width: 0;
  padding: 19px 22px;
}

.route-fact-band > div + div {
  border-left: 1px solid var(--color-border-soft);
}

.route-fact-key {
  display: block;
  margin-bottom: 7px;
  color: var(--color-success);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 750;
  letter-spacing: 0.08em;
}

.route-fact-band strong {
  display: block;
  overflow-wrap: anywhere;
  font-size: 14px;
  line-height: 1.55;
}

.route-directory {
  background: linear-gradient(180deg, var(--color-canvas-deep), var(--color-canvas));
}

.route-directory .server-group-row {
  scroll-margin-top: var(--toc-offset);
}

.media-state {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.media-state::before {
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  content: "";
}

.media-state.is-supported {
  color: var(--color-success);
}

.media-state.is-supported::before {
  background: var(--color-success);
  box-shadow: 0 0 10px var(--color-success);
}

.media-state.is-variable {
  color: var(--color-warn);
}

.media-state.is-variable::before {
  background: var(--color-warn);
}

.table-footnote {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 20px;
  margin-top: 18px;
  padding: 18px 20px;
  border-left: 3px solid var(--color-accent-bright);
  background: var(--color-panel-translucent);
}

.table-footnote span {
  color: var(--color-success);
  font-size: 9px;
  font-weight: 750;
  letter-spacing: 0.08em;
}

.table-footnote p {
  margin-bottom: 0;
  font-size: 13px;
}

.route-types-section {
  background:
    radial-gradient(circle at 86% 28%, var(--color-glow-blue), transparent 26rem),
    var(--color-canvas-deep);
}

.route-type-browser {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
  box-shadow: var(--shadow-window);
}

.route-type-entry {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr) 220px;
  gap: 28px;
  align-items: start;
  padding: 32px;
  border-bottom: 1px solid var(--color-border-soft);
}

.route-type-entry:last-child {
  border-bottom: 0;
}

.route-type-entry.is-emphasis {
  background: linear-gradient(90deg, var(--color-panel-selected), var(--color-panel));
  box-shadow: inset 4px 0 0 var(--color-success);
}

.route-type-mark {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  flex-direction: column;
}

.route-type-code {
  color: var(--color-success);
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.route-type-content h3 {
  font-size: 24px;
}

.route-type-content p {
  font-size: 14px;
}

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

.route-type-fit {
  padding: 17px;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-sm);
  background: var(--color-panel-raised);
}

.route-type-fit span {
  display: block;
  margin-bottom: 7px;
  color: var(--color-text-faint);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 750;
  letter-spacing: 0.07em;
}

.route-type-fit strong {
  display: block;
  font-size: 13px;
  line-height: 1.65;
}

.cost-logic {
  display: grid;
  grid-template-columns: minmax(240px, 0.72fr) minmax(0, 1.28fr);
  gap: 52px;
  margin-top: 22px;
  padding: 30px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel-raised);
  box-shadow: var(--shadow-card);
}

.cost-logic-label span {
  color: var(--color-success);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.08em;
}

.cost-logic-label h3 {
  margin-top: 12px;
  margin-bottom: 0;
  font-size: 25px;
}

.cost-logic-copy p {
  font-size: 14px;
}

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

.selection-section {
  background: linear-gradient(180deg, var(--color-canvas), var(--color-canvas-deep));
}

.scenario-matrix {
  border-top: 1px solid var(--color-border);
}

.scenario-row {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) 230px;
  gap: 34px;
  align-items: start;
  padding: 34px 0;
  border-bottom: 1px solid var(--color-border);
}

.scenario-heading {
  display: flex;
  align-items: center;
  gap: 14px;
}

.scenario-heading h3 {
  margin-bottom: 0;
  font-size: 22px;
}

.scenario-symbol {
  display: grid;
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-success);
  background: var(--color-panel-raised);
}

.scenario-symbol svg {
  width: 23px;
  height: 23px;
}

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

.scenario-copy p {
  font-size: 14px;
}

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

.scenario-choice {
  padding: 17px;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
}

.scenario-choice span {
  display: block;
  margin-bottom: 7px;
  color: var(--color-text-faint);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 750;
  letter-spacing: 0.07em;
}

.scenario-choice strong {
  display: block;
  font-size: 13px;
  line-height: 1.65;
}

.principles-section {
  background:
    radial-gradient(circle at 14% 58%, var(--color-glow-green), transparent 24rem),
    var(--color-canvas-deep);
}

.principles-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr);
  gap: 70px;
  align-items: start;
}

.principles-intro {
  position: sticky;
  top: var(--toc-offset);
}

.decision-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  counter-reset: route-decisions;
  list-style: none;
}

.decision-list li {
  position: relative;
  min-height: 128px;
  padding: 25px 25px 25px 88px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: linear-gradient(110deg, var(--color-panel-raised), var(--color-panel));
  box-shadow: var(--shadow-card);
  counter-increment: route-decisions;
}

.decision-list li::before {
  position: absolute;
  top: 25px;
  left: 25px;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--color-success);
  border-radius: var(--radius-sm);
  color: var(--color-success);
  background: var(--color-success-soft);
  content: counter(route-decisions);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
}

.decision-list h3 {
  margin-bottom: 8px;
  font-size: 20px;
}

.decision-list p {
  margin-bottom: 0;
  font-size: 14px;
}

.coverage-section {
  background: linear-gradient(180deg, var(--color-canvas-deep), var(--color-canvas));
}

.coverage-wall {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  max-width: 980px;
  margin-inline: auto;
}

.coverage-wall span {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 8px 15px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  background: var(--color-panel);
  font-size: 13px;
  font-weight: 700;
  box-shadow: inset 0 1px 0 var(--color-border-soft);
}

.coverage-wall span:nth-child(3n + 1) {
  border-color: var(--color-accent-bright);
  color: var(--color-text);
  background: var(--color-accent-dark);
}

.coverage-wall span:nth-child(4n) {
  border-color: var(--color-success);
  color: var(--color-success);
  background: var(--color-success-soft);
}

.coverage-notes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 48px;
}

.coverage-notes article {
  display: flex;
  min-height: 290px;
  padding: 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
  flex-direction: column;
}

.coverage-notes article:last-child {
  background: linear-gradient(145deg, var(--color-panel-raised), var(--color-panel));
}

.coverage-notes .mono {
  margin-bottom: 12px;
  color: var(--color-success);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.08em;
}

.coverage-notes h3 {
  font-size: 24px;
}

.coverage-notes p {
  font-size: 14px;
}

.coverage-notes .button {
  align-self: flex-start;
  margin-top: auto;
}

@media (max-width: 1080px) {
  .nodes-hero-layout {
    grid-template-columns: minmax(0, 0.88fr) minmax(420px, 1.12fr);
    gap: 42px;
  }

  .route-type-entry {
    grid-template-columns: 130px minmax(0, 1fr);
  }

  .route-type-fit {
    grid-column: 2;
  }

  .scenario-row {
    grid-template-columns: 190px minmax(0, 1fr);
  }

  .scenario-choice {
    grid-column: 2;
  }
}

@media (max-width: 900px) {
  .nodes-hero-layout {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 58px;
  }

  .nodes-hero-copy {
    max-width: 720px;
  }

  .route-index-window {
    max-width: 720px;
  }

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

  .route-fact-band > div + div {
    border-top: 1px solid var(--color-border-soft);
    border-left: 0;
  }

  .principles-layout {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .principles-intro {
    position: static;
  }
}

@media (max-width: 768px) {
  .nodes-hero-layout {
    padding-top: 46px;
    padding-bottom: 62px;
  }

  .route-type-entry {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 25px 22px;
  }

  .route-type-fit {
    grid-column: auto;
  }

  .cost-logic {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .scenario-row {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .scenario-choice {
    grid-column: auto;
  }

  .coverage-notes {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .route-index-body {
    padding: 14px;
  }

  .route-index-summary > div {
    padding: 14px;
  }

  .route-index-summary strong {
    font-size: 28px;
  }

  .region-rail a {
    grid-template-columns: 66px minmax(0, 1fr) auto;
    gap: 8px;
    padding-inline: 10px;
  }

  .route-index-state {
    display: none;
  }

  .route-fact-band > div {
    padding: 16px;
  }

  .table-footnote {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .cost-logic {
    padding: 22px 20px;
  }

  .scenario-row {
    padding: 28px 0;
  }

  .decision-list li {
    min-height: 0;
    padding: 76px 20px 22px;
  }

  .decision-list li::before {
    top: 20px;
    left: 20px;
  }

  .coverage-wall {
    justify-content: flex-start;
  }

  .coverage-wall span {
    min-height: 38px;
    padding: 7px 12px;
    font-size: 12px;
  }

  .coverage-notes article {
    min-height: 260px;
    padding: 22px 20px;
  }
}