.nodes-hero {
  position: relative;
  min-height: 720px;
  padding-top: clamp(64px, 8vw, 112px);
  padding-bottom: clamp(58px, 7vw, 96px);
  overflow: hidden;
  border-bottom: 2px solid var(--color-border);
  background:
    linear-gradient(var(--color-grid) 1px, var(--color-transparent) 1px),
    linear-gradient(90deg, var(--color-grid) 1px, var(--color-transparent) 1px),
    radial-gradient(circle at 78% 42%, var(--color-panel-glow), var(--color-transparent) 34%),
    var(--color-bg);
  background-size: 48px 48px, 48px 48px, auto, auto;
}

.nodes-hero::after {
  position: absolute;
  right: -12%;
  bottom: -310px;
  width: 880px;
  height: 560px;
  content: "";
  border-top: 2px solid var(--color-grid-strong);
  background:
    repeating-linear-gradient(90deg, var(--color-transparent) 0 68px, var(--color-grid-strong) 69px 70px),
    repeating-linear-gradient(0deg, var(--color-transparent) 0 48px, var(--color-grid) 49px 50px);
  opacity: 0.72;
  transform: perspective(430px) rotateX(62deg);
  transform-origin: center top;
  pointer-events: none;
}

.nodes-hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(430px, 0.84fr) minmax(560px, 1.16fr);
  align-items: center;
  gap: clamp(36px, 6vw, 88px);
}

.nodes-hero-copy {
  position: relative;
  z-index: 3;
  padding-left: 22px;
}

.nodes-hero-copy::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 4px;
  content: "";
  background: linear-gradient(to bottom, var(--color-accent), var(--color-accent) 62%, var(--color-border) 62%, var(--color-border));
}

.nodes-hero-copy .eyebrow {
  margin-bottom: 24px;
}

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

.nodes-hero-actions {
  margin-top: 30px;
}

.nodes-hero-copy .lead {
  max-width: 650px;
  margin: 30px 0 0;
}

.nodes-trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.nodes-trust-list li {
  position: relative;
  padding-left: 16px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.nodes-trust-list li::before {
  position: absolute;
  top: 0.7em;
  left: 0;
  width: 7px;
  height: 7px;
  content: "";
  background: var(--color-accent);
  transform: rotate(45deg);
}

.nodes-route-poster {
  position: relative;
  min-height: 550px;
  overflow: hidden;
  border: 3px solid var(--color-border);
  background:
    linear-gradient(var(--color-grid) 1px, var(--color-transparent) 1px),
    linear-gradient(90deg, var(--color-grid) 1px, var(--color-transparent) 1px),
    var(--color-panel);
  background-size: 32px 32px;
  box-shadow: 14px 14px 0 var(--color-black);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 26px 100%, 0 calc(100% - 26px));
}

.nodes-route-poster::before {
  position: absolute;
  inset: 20px;
  content: "";
  border: 1px solid var(--color-border);
  pointer-events: none;
}

.nodes-route-poster::after {
  position: absolute;
  top: 0;
  left: 38px;
  width: 90px;
  height: 6px;
  content: "";
  background: var(--color-accent);
}

.poster-axis {
  position: absolute;
  z-index: 1;
  background: var(--color-border-bright);
  opacity: 0.46;
}

.poster-axis-horizontal {
  top: 51%;
  right: 24px;
  left: 24px;
  height: 1px;
}

.poster-axis-vertical {
  top: 24px;
  bottom: 24px;
  left: 51%;
  width: 1px;
}

.poster-origin {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 3;
  display: grid;
  width: 154px;
  height: 154px;
  place-items: center;
  border: 20px solid var(--color-border);
  background: var(--color-bg);
  box-shadow: 12px 12px 0 var(--color-black);
  transform: translate(-50%, -50%);
}

.poster-origin::before {
  position: absolute;
  inset: -12px;
  content: "";
  border: 2px solid var(--color-accent);
}

.poster-origin span {
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: 58px;
  font-weight: 850;
  letter-spacing: -0.08em;
}

.poster-node {
  position: absolute;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 7px 10px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  box-shadow: 4px 4px 0 var(--color-black);
}

.poster-node-mark {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-accent-soft);
}

.poster-node-asia {
  top: 18%;
  right: 10%;
}

.poster-node-america {
  top: 28%;
  left: 9%;
}

.poster-node-europe {
  right: 8%;
  bottom: 17%;
}

.poster-node-other {
  bottom: 11%;
  left: 12%;
}

.poster-routes {
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
}

.poster-route-underlay {
  fill: none;
  stroke: var(--color-black);
  stroke-linecap: square;
  stroke-linejoin: bevel;
  stroke-width: 18;
}

.poster-route-main {
  fill: none;
  stroke: var(--color-accent);
  stroke-linecap: square;
  stroke-linejoin: bevel;
  stroke-width: 8;
}

.poster-route-cold {
  fill: none;
  stroke: var(--color-text);
  stroke-dasharray: 14 18;
  stroke-width: 3;
}

.poster-route-branch {
  fill: none;
  stroke: var(--color-border-bright);
  stroke-dasharray: 6 9;
  stroke-width: 3;
}

.poster-route-point {
  fill: var(--color-accent);
  stroke: var(--color-bg);
  stroke-width: 5;
}

.poster-route-point-success {
  fill: var(--color-success);
}

.poster-caption {
  position: absolute;
  right: 28px;
  bottom: 24px;
  z-index: 4;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  writing-mode: vertical-rl;
}

.nodes-toc-host {
  position: relative;
  z-index: 20;
}

.nodes-section-strong {
  border-top: 2px solid var(--color-border);
  border-bottom: 2px solid var(--color-border);
  background:
    linear-gradient(var(--color-grid) 1px, var(--color-transparent) 1px),
    linear-gradient(90deg, var(--color-grid) 1px, var(--color-transparent) 1px),
    var(--color-panel);
  background-size: 40px 40px;
}

.route-type-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.route-type-feature {
  position: relative;
  display: grid;
  grid-template-columns: minmax(90px, 0.22fr) minmax(0, 1fr);
  gap: clamp(22px, 3vw, 40px);
  padding: clamp(24px, 3.5vw, 44px);
  border: 2px solid var(--color-border);
  background: var(--color-bg);
  box-shadow: var(--shadow-hard);
  clip-path: polygon(0 0, calc(100% - var(--cut-medium)) 0, 100% var(--cut-medium), 100% 100%, var(--cut-medium) 100%, 0 calc(100% - var(--cut-medium)));
}

.route-type-feature::before {
  position: absolute;
  top: -2px;
  left: 28px;
  width: 72px;
  height: 5px;
  content: "";
  background: var(--color-accent);
}

.route-type-feature-main {
  grid-column: 1 / -1;
  grid-template-columns: minmax(130px, 0.28fr) minmax(0, 1fr);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-accent);
}

.route-type-index {
  padding-top: 8px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.4vw, 30px);
  font-weight: 850;
  letter-spacing: 0.04em;
  writing-mode: vertical-rl;
}

.route-type-feature h3 {
  margin-top: 18px;
}

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

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

.type-comparison {
  margin-top: 34px;
  overflow-x: auto;
  border: 2px solid var(--color-border);
  background: var(--color-panel);
  box-shadow: var(--shadow-hard);
  -webkit-overflow-scrolling: touch;
}

.type-comparison-row {
  display: grid;
  min-width: 760px;
  grid-template-columns: minmax(140px, 0.8fr) repeat(3, minmax(180px, 1fr));
}

.type-comparison-row > * {
  padding: 15px 18px;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.type-comparison-row > *:last-child {
  border-right: 0;
}

.type-comparison-row:last-child > * {
  border-bottom: 0;
}

.type-comparison-row strong {
  color: var(--color-text);
}

.type-comparison-row span {
  color: var(--color-text-muted);
}

.type-comparison-head {
  background: var(--color-bg);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.06em;
}

.type-comparison-head span {
  color: var(--color-text);
}

.selection-rail {
  position: relative;
  padding-left: 54px;
}

.selection-rail::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 18px;
  width: 6px;
  content: "";
  border: 1px solid var(--color-border-bright);
  background: var(--color-panel-strong);
  box-shadow: 5px 0 0 var(--color-black);
}

.selection-item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(110px, 0.24fr) minmax(0, 1fr);
  gap: clamp(20px, 4vw, 54px);
  padding: clamp(24px, 3.5vw, 42px);
  border: 2px solid var(--color-border);
  background: var(--color-panel);
  box-shadow: var(--shadow-hard);
}

.selection-item + .selection-item {
  margin-top: 26px;
}

.selection-item::before {
  position: absolute;
  top: 42px;
  left: -45px;
  width: 24px;
  height: 24px;
  content: "";
  border: 5px solid var(--color-bg);
  background: var(--color-accent);
  box-shadow: 0 0 0 2px var(--color-border-bright);
  transform: rotate(45deg);
}

.selection-marker {
  padding-top: 7px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.1em;
}

.selection-content p {
  color: var(--color-text-muted);
}

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

.switching-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(330px, 0.8fr);
  align-items: start;
  gap: clamp(32px, 5vw, 72px);
}

.switching-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: route-step;
}

.switching-steps li {
  position: relative;
  padding: 8px 0 28px 76px;
  border-bottom: 1px solid var(--color-border);
  counter-increment: route-step;
}

.switching-steps li + li {
  padding-top: 28px;
}

.switching-steps li::before {
  position: absolute;
  top: 8px;
  left: 0;
  display: grid;
  width: 50px;
  height: 50px;
  place-items: center;
  content: counter(route-step);
  border: 2px solid var(--color-accent);
  background: var(--color-bg);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-weight: 850;
  box-shadow: 5px 5px 0 var(--color-accent-dark);
}

.switching-steps li + li::before {
  top: 28px;
}

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

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

.switching-panel {
  position: sticky;
  top: calc(var(--toc-top) + var(--toc-height) + 24px);
  padding: clamp(24px, 3vw, 36px);
  border: 3px solid var(--color-border);
  background: var(--color-bg);
  box-shadow: var(--shadow-accent);
  clip-path: polygon(0 0, calc(100% - var(--cut-medium)) 0, 100% var(--cut-medium), 100% 100%, var(--cut-medium) 100%, 0 calc(100% - var(--cut-medium)));
}

.switching-panel::before {
  position: absolute;
  top: -3px;
  left: 26px;
  width: 74px;
  height: 6px;
  content: "";
  background: var(--color-accent);
}

.switching-panel-label,
.coverage-label {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.switching-panel h3 {
  margin-top: 12px;
}

.switching-panel > p {
  color: var(--color-text-muted);
}

.switching-panel .check-list {
  margin-bottom: 30px;
}

.switching-panel .check-list li {
  position: relative;
  padding-left: 20px;
  color: var(--color-text-muted);
}

.switching-panel .check-list li::before {
  position: absolute;
  top: 0.78em;
  left: 0;
  width: 8px;
  height: 8px;
  content: "";
  background: var(--color-accent);
  transform: rotate(45deg);
}

.switching-panel .callout {
  margin-bottom: 0;
}

.coverage-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.coverage-note {
  position: relative;
  padding: clamp(24px, 3vw, 36px);
  border: 2px solid var(--color-border);
  background: var(--color-panel);
  box-shadow: 7px 7px 0 var(--color-black);
  clip-path: polygon(0 0, calc(100% - var(--cut-small)) 0, 100% var(--cut-small), 100% 100%, var(--cut-small) 100%, 0 calc(100% - var(--cut-small)));
}

.coverage-note::after {
  position: absolute;
  right: 24px;
  bottom: 0;
  width: 42px;
  height: 4px;
  content: "";
  background: var(--color-accent);
}

.coverage-note-wide {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(120px, 0.25fr) minmax(0, 1fr);
  gap: 28px;
}

.coverage-note-wide .coverage-label {
  grid-row: 1 / span 2;
}

.coverage-note h3 {
  margin-top: 10px;
}

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

@media (max-width: 1120px) {
  .nodes-hero-grid {
    grid-template-columns: minmax(390px, 0.9fr) minmax(460px, 1.1fr);
  }

  .nodes-route-poster {
    min-height: 500px;
  }

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

  .route-type-feature-main {
    grid-column: auto;
  }
}

@media (max-width: 980px) {
  .nodes-hero {
    min-height: auto;
  }

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

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

  .nodes-route-poster {
    width: min(100%, 760px);
    min-height: 520px;
    margin-inline: auto;
  }

  .switching-grid {
    grid-template-columns: 1fr;
  }

  .switching-panel {
    position: relative;
    top: auto;
  }
}

@media (max-width: 768px) {
  .nodes-hero {
    padding-top: 58px;
    padding-bottom: 64px;
  }

  .nodes-route-poster {
    min-height: 430px;
  }

  .poster-origin {
    width: 124px;
    height: 124px;
    border-width: 16px;
  }

  .poster-origin span {
    font-size: 46px;
  }

  .poster-node,
  .poster-caption {
    display: none;
  }

  .route-type-feature,
  .route-type-feature-main {
    grid-template-columns: 1fr;
  }

  .route-type-index {
    writing-mode: horizontal-tb;
  }

  .selection-rail {
    padding-left: 38px;
  }

  .selection-rail::before {
    left: 10px;
  }

  .selection-item {
    grid-template-columns: 1fr;
  }

  .selection-item::before {
    top: 32px;
    left: -37px;
    width: 20px;
    height: 20px;
  }

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

  .coverage-note-wide {
    grid-column: auto;
    grid-template-columns: 1fr;
  }

  .coverage-note-wide .coverage-label {
    grid-row: auto;
  }
}

@media (max-width: 640px) {
  .nodes-hero-copy {
    padding-left: 15px;
  }

  .nodes-hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

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

  .nodes-trust-list {
    align-items: flex-start;
    flex-direction: column;
  }

  .nodes-route-poster {
    min-height: 350px;
    box-shadow: 7px 7px 0 var(--color-black);
  }

  .poster-origin {
    width: 104px;
    height: 104px;
    border-width: 13px;
  }

  .poster-origin span {
    font-size: 38px;
  }

  .poster-routes {
    width: 136%;
    max-width: none;
    transform: translateX(-18%);
  }

  .route-type-feature {
    padding: 22px;
  }

  .selection-rail {
    padding-left: 26px;
  }

  .selection-rail::before {
    left: 4px;
    width: 4px;
  }

  .selection-item {
    padding: 22px;
  }

  .selection-item::before {
    left: -29px;
    width: 16px;
    height: 16px;
    border-width: 4px;
  }

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

  .switching-steps li::before {
    width: 42px;
    height: 42px;
  }

  .coverage-note {
    padding: 22px;
  }
}

@media (max-width: 370px) {
  .nodes-route-poster {
    min-height: 310px;
  }

  .poster-origin {
    width: 92px;
    height: 92px;
  }

  .poster-origin span {
    font-size: 34px;
  }

  .selection-rail {
    padding-left: 22px;
  }

  .selection-item::before {
    left: -25px;
  }

  .switching-steps li {
    padding-left: 56px;
  }
}