.nodes-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--color-line);
  background:
    radial-gradient(720px 360px at 78% 38%, var(--color-accent-soft), transparent 72%),
    var(--color-canvas);
}

.nodes-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(390px, .96fr);
  gap: clamp(42px, 7vw, 90px);
  align-items: center;
  min-height: 650px;
  padding-top: clamp(70px, 9vw, 112px);
  padding-bottom: clamp(72px, 9vw, 112px);
}

.nodes-hero-copy {
  max-width: 680px;
}

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

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

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

.nodes-trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 24px;
}

.coverage-board {
  position: relative;
  min-height: 430px;
  padding: 26px;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-lift);
  transform: rotate(.65deg);
}

.coverage-board::before {
  position: absolute;
  inset: 62px 26px 72px;
  background-image:
    linear-gradient(to right, var(--color-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--color-line) 1px, transparent 1px);
  background-size: 52px 52px;
  content: "";
  opacity: .55;
}

.coverage-board-head,
.coverage-board-foot {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.coverage-board-head {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-line);
  color: var(--color-muted);
  font-size: 11px;
  letter-spacing: .08em;
}

.coverage-axis {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 24px;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  text-align: center;
}

.coverage-track {
  position: relative;
  z-index: 2;
  height: 250px;
}

.coverage-track::before,
.coverage-track::after {
  position: absolute;
  right: 3%;
  left: 3%;
  height: 2px;
  background: var(--color-ribbon);
  content: "";
  transform: rotate(-4deg);
  transform-origin: center;
}

.coverage-track::before {
  top: 113px;
}

.coverage-track::after {
  top: 126px;
}

.coverage-node {
  position: absolute;
  z-index: 3;
  display: grid;
  width: 43px;
  height: 43px;
  place-items: center;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 800;
  box-shadow: var(--shadow-card);
}

.node-jp {
  top: 118px;
  left: 2%;
}

.node-sg {
  top: 99px;
  left: 17%;
}

.node-us {
  top: 86px;
  left: 33%;
}

.node-fr {
  top: 65px;
  right: 32%;
}

.node-ae {
  top: 50px;
  right: 16%;
}

.node-br {
  top: 39px;
  right: 1%;
}

.coverage-knot {
  position: absolute;
  top: 75px;
  left: 50%;
  z-index: 4;
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  border-radius: var(--radius-pill);
  background: var(--color-accent-soft);
  box-shadow: 0 0 28px var(--color-accent-glow);
  transform: translateX(-50%);
}

.coverage-knot svg path {
  fill: var(--color-accent);
  stroke: var(--color-accent-strong);
  stroke-width: 1.2;
}

.coverage-knot svg circle {
  fill: var(--color-surface);
}

.coverage-board-foot {
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--color-line);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 10px;
}

.nodes-document {
  padding-top: 42px;
  padding-bottom: var(--section-space);
}

.nodes-section {
  padding-top: clamp(58px, 8vw, 96px);
  padding-bottom: clamp(58px, 8vw, 96px);
  border-bottom: 1px solid var(--color-line);
}

.nodes-section:last-child {
  border-bottom: 0;
}

.route-country {
  display: inline-flex;
  min-width: max-content;
  align-items: center;
  gap: 8px;
}

.route-kind {
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  padding: 3px 9px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-xs);
  background: var(--color-surface-soft);
  color: var(--color-ink);
  font-family: var(--font-mono);
  font-size: 11px;
  white-space: nowrap;
}

.route-type-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.route-type-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: clamp(24px, 3vw, 34px);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.route-type-card.is-emphasis {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-main);
}

.route-type-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  color: var(--color-muted);
  font-size: 11px;
  letter-spacing: .08em;
}

.route-type-card p {
  color: var(--color-muted);
  font-size: 14px;
}

.route-type-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: auto;
  padding-top: 14px;
}

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

.selection-steps > li {
  position: relative;
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 20px;
  padding: 0 0 38px;
  counter-increment: selection;
}

.selection-steps > li::before {
  position: relative;
  z-index: 2;
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-accent-strong);
  content: counter(selection, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
}

.selection-steps > li::after {
  position: absolute;
  top: 46px;
  bottom: 0;
  left: 22px;
  width: 1px;
  background: var(--color-line);
  content: "";
}

.selection-steps > li:last-child {
  padding-bottom: 0;
}

.selection-steps > li:last-child::after {
  display: none;
}

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

.selection-steps p {
  max-width: 860px;
  margin-bottom: 0;
  color: var(--color-muted);
}

.use-case-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 16px;
}

.use-case-item {
  grid-column: span 2;
  min-width: 0;
  padding: 26px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
}

.use-case-item:nth-child(4),
.use-case-item:nth-child(5) {
  grid-column: span 3;
}

.use-case-index {
  display: block;
  margin-bottom: 18px;
  color: var(--color-accent-strong);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .1em;
}

.use-case-item h3 {
  font-size: 21px;
}

.use-case-item p {
  color: var(--color-muted);
  font-size: 14px;
}

.use-case-rule {
  margin-bottom: 0;
  padding-top: 14px;
  border-top: 1px solid var(--color-line);
  color: var(--color-ink) !important;
  font-family: var(--font-mono);
  font-size: 11px !important;
}

.verification-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(260px, .65fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
}

.verification-main h3 {
  margin-top: 34px;
  font-size: 21px;
}

.verification-main h3:first-child {
  margin-top: 0;
}

.verification-main p {
  color: var(--color-muted);
}

.verification-note {
  position: sticky;
  top: 92px;
  padding: 26px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface-soft);
}

.verification-note h3 {
  font-size: 22px;
}

.verification-note ul {
  display: grid;
  gap: 10px;
  margin-bottom: 24px;
  padding-left: 20px;
  color: var(--color-muted);
  font-size: 14px;
}

.coverage-notes-panel {
  display: grid;
  grid-template-columns: minmax(250px, .75fr) minmax(0, 1.25fr);
  gap: clamp(30px, 6vw, 80px);
  padding: clamp(30px, 6vw, 64px);
  border-radius: var(--radius-md);
  background: var(--color-dark);
  color: var(--color-dark-text);
  box-shadow: var(--shadow-lift);
}

.coverage-notes-panel h2 {
  color: var(--color-dark-text);
}

.coverage-notes-copy p {
  color: var(--color-dark-muted);
}

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

@media (max-width: 1040px) {
  .nodes-hero-grid {
    grid-template-columns: minmax(0, 1fr);
    min-height: 0;
  }

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

  .coverage-board {
    width: min(720px, 100%);
    min-height: 390px;
    transform: none;
  }

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

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

  .use-case-item,
  .use-case-item:nth-child(4),
  .use-case-item:nth-child(5) {
    grid-column: auto;
  }

  .use-case-item:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  .nodes-hero-grid {
    gap: 42px;
    padding-top: 54px;
    padding-bottom: 64px;
  }

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

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

  .coverage-board {
    min-height: 320px;
    padding: 18px;
  }

  .coverage-board::before {
    inset: 56px 18px 64px;
    background-size: 42px 42px;
  }

  .coverage-axis {
    margin-top: 18px;
  }

  .coverage-track {
    height: 190px;
  }

  .coverage-track::before {
    top: 90px;
  }

  .coverage-track::after {
    top: 101px;
  }

  .coverage-node {
    width: 36px;
    height: 36px;
    font-size: 9px;
  }

  .node-jp {
    top: 96px;
  }

  .node-sg {
    top: 82px;
  }

  .node-us {
    top: 70px;
  }

  .node-fr {
    top: 53px;
  }

  .node-ae {
    top: 41px;
  }

  .node-br {
    top: 31px;
  }

  .coverage-knot {
    top: 61px;
    width: 48px;
    height: 48px;
  }

  .coverage-knot svg {
    width: 29px;
    height: 29px;
  }

  .coverage-board-foot {
    font-size: 9px;
  }

  .nodes-document {
    padding-top: 28px;
  }

  .use-case-grid,
  .verification-layout,
  .coverage-notes-panel {
    grid-template-columns: minmax(0, 1fr);
  }

  .use-case-item:last-child {
    grid-column: auto;
  }

  .verification-note {
    position: static;
  }
}

@media (max-width: 520px) {
  .coverage-board {
    min-height: 280px;
  }

  .coverage-axis {
    font-size: 9px;
  }

  .coverage-track {
    height: 155px;
  }

  .coverage-track::before {
    top: 74px;
  }

  .coverage-track::after {
    top: 84px;
  }

  .coverage-node {
    width: 31px;
    height: 31px;
    font-size: 8px;
  }

  .node-jp {
    top: 80px;
  }

  .node-sg {
    top: 69px;
  }

  .node-us {
    top: 59px;
  }

  .node-fr {
    top: 45px;
  }

  .node-ae {
    top: 35px;
  }

  .node-br {
    top: 27px;
  }

  .coverage-knot {
    top: 50px;
    width: 42px;
    height: 42px;
  }

  .coverage-board-foot {
    gap: 6px;
  }

  .selection-steps > li {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 14px;
  }

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

  .selection-steps > li::after {
    top: 38px;
    left: 18px;
  }

  .route-type-card,
  .use-case-item {
    padding: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .coverage-board {
    transform: none;
  }
}