.nodes-hero {
  min-height: calc(100dvh - var(--header-height));
  display: flex;
  align-items: center;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
  background:
    linear-gradient(90deg, transparent, var(--color-water-soft), transparent),
    var(--color-bg);
}

.nodes-hero::before {
  position: absolute;
  z-index: -2;
  top: 0;
  right: 0;
  bottom: 0;
  width: 48%;
  content: "";
  background:
    linear-gradient(var(--color-accent-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-accent-line) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(90deg, transparent, var(--color-text));
  opacity: 0.46;
}

.nodes-hero::after {
  position: absolute;
  z-index: -1;
  top: 8%;
  right: -8%;
  width: 52%;
  height: 84%;
  border: 1px solid var(--color-border);
  content: "";
  background: linear-gradient(150deg, var(--color-water-soft), var(--color-paper-faint));
  transform: skewX(-7deg);
}

.nodes-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.78fr);
  align-items: center;
  gap: clamp(42px, 7vw, 92px);
}

.nodes-hero-copy {
  position: relative;
  z-index: 2;
}

.nodes-hero-copy h1 {
  max-width: 9em;
}

.nodes-hero-copy .lead {
  max-width: 40rem;
}

.nodes-hero-copy .actions {
  margin-top: 28px;
}

.nodes-facts {
  justify-content: flex-start;
  margin-top: 34px;
}

.route-poster {
  position: relative;
  z-index: 1;
  min-height: 520px;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-small);
  background:
    linear-gradient(180deg, var(--color-white-soft), var(--color-water-soft)),
    var(--color-panel);
  box-shadow: var(--shadow-panel);
  transform: rotate(1.5deg);
}

.route-poster::before {
  position: absolute;
  top: 14px;
  right: 14px;
  bottom: 14px;
  left: 14px;
  border: 1px dashed var(--color-accent-line);
  content: "";
  pointer-events: none;
}

.route-poster-head,
.route-poster-foot {
  position: absolute;
  right: 30px;
  left: 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.route-poster-head {
  top: 29px;
  padding-bottom: 13px;
  border-bottom: 1px solid var(--color-border);
}

.route-poster-foot {
  bottom: 28px;
  padding-top: 13px;
  border-top: 1px solid var(--color-border);
}

.route-poster-foot span {
  color: var(--color-accent);
}

.route-map {
  position: absolute;
  top: 82px;
  right: 34px;
  bottom: 76px;
  left: 34px;
}

.route-axis {
  position: absolute;
  height: 1px;
  transform-origin: left center;
  border-top: 1px dashed var(--color-accent);
}

.route-axis::after {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 7px;
  height: 7px;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-pill);
  content: "";
  background: var(--color-bg);
}

.route-axis-a {
  top: 51%;
  left: 19%;
  width: 61%;
  transform: rotate(-29deg);
}

.route-axis-b {
  top: 51%;
  left: 19%;
  width: 67%;
  transform: rotate(17deg);
}

.route-axis-c {
  top: 51%;
  left: 19%;
  width: 52%;
  transform: rotate(45deg);
}

.route-source,
.route-point {
  position: absolute;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-pill);
  color: var(--color-accent-dark);
  background: var(--color-bg);
  box-shadow: 0 6px 0 var(--color-accent-soft);
  font-size: 12px;
  font-weight: 760;
}

.route-source {
  top: calc(51% - 31px);
  left: calc(19% - 31px);
  width: 62px;
  height: 62px;
  border-color: var(--color-error);
  color: var(--color-white);
  background: var(--color-error);
}

.route-point {
  width: 66px;
  height: 66px;
}

.route-point-asia {
  top: 8%;
  right: 4%;
}

.route-point-na {
  top: 50%;
  right: -1%;
}

.route-point-eu {
  right: 20%;
  bottom: 2%;
}

.route-point-other {
  bottom: 16%;
  left: 39%;
}

.nodes-intro {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  color: var(--color-muted);
  gap: 34px;
}

.nodes-intro p {
  margin-bottom: 0;
}

.nodes-heading-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 0.38fr);
  align-items: end;
  margin-bottom: 34px;
  gap: 34px;
}

.list-note {
  padding: 18px;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-error);
  border-radius: var(--radius-small);
  background: var(--color-panel);
}

.list-note strong {
  display: block;
  margin-bottom: 5px;
  font-family: var(--font-mono);
  font-size: 12px;
}

.list-note p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 13px;
}

.route-ledger {
  display: grid;
  margin-top: 42px;
  border-top: 1px solid var(--color-border);
}

.route-entry {
  display: grid;
  grid-template-columns: minmax(120px, 0.22fr) minmax(0, 1fr) minmax(190px, 0.3fr);
  padding-top: 34px;
  padding-bottom: 34px;
  border-bottom: 1px solid var(--color-border);
  gap: clamp(24px, 4vw, 54px);
}

.route-entry-wide {
  padding-right: clamp(18px, 4vw, 52px);
  padding-left: clamp(18px, 4vw, 52px);
  border: 1px solid var(--color-accent);
  border-top: 5px solid var(--color-error);
  background: var(--color-water);
  box-shadow: var(--shadow-panel);
}

.route-entry-index {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  gap: 5px;
}

.route-entry-index span {
  color: var(--color-success);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.route-entry-index strong {
  color: var(--color-accent-dark);
  font-family: var(--font-display);
  font-size: 30px;
}

.route-entry-body h3 {
  font-family: var(--font-display);
}

.route-entry-body p,
.route-entry-use p {
  color: var(--color-muted);
}

.route-entry-body p:last-child,
.route-entry-use p:last-child {
  margin-bottom: 0;
}

.route-entry-use {
  padding-left: 22px;
  border-left: 1px dashed var(--color-accent);
}

.route-entry-use .tag {
  margin-bottom: 13px;
}

.usage-guide {
  margin-top: 42px;
  border-top: 1px solid var(--color-border);
}

.usage-row {
  display: grid;
  grid-template-columns: minmax(230px, 0.42fr) minmax(0, 1fr);
  padding-top: 36px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--color-border);
  gap: clamp(30px, 6vw, 86px);
}

.usage-label {
  position: relative;
  padding-left: 22px;
  border-left: 5px solid var(--color-accent);
}

.usage-label span {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--color-error);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.usage-label h3 {
  margin-bottom: 0;
  font-family: var(--font-display);
}

.usage-copy {
  color: var(--color-muted);
}

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

.switching-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(300px, 0.6fr);
  align-items: start;
  margin-top: 42px;
  gap: clamp(28px, 5vw, 64px);
}

.switching-flow {
  display: grid;
}

.switching-flow article {
  position: relative;
  min-height: 132px;
  padding: 0 0 30px 72px;
}

.switching-flow article::before {
  position: absolute;
  top: 42px;
  bottom: 0;
  left: 22px;
  border-left: 1px dashed var(--color-accent);
  content: "";
}

.switching-flow article:last-child::before {
  display: none;
}

.switching-flow h3 {
  margin-bottom: 8px;
  font-family: var(--font-display);
}

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

.switch-marker {
  position: absolute;
  top: 0;
  left: 0;
  display: grid;
  width: 45px;
  height: 45px;
  place-items: center;
  border: 1px solid var(--color-accent-dark);
  border-radius: var(--radius-pill);
  color: var(--color-white);
  background: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
}

.switching-note {
  border-top: 5px solid var(--color-error);
  background: var(--color-bg);
}

.switching-note ul {
  padding-left: 1.2em;
  color: var(--color-muted);
  font-size: 14px;
}

.switching-note .button {
  width: 100%;
  margin-top: 8px;
}

.coverage-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(38px, 8vw, 110px);
}

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

.region-wall {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  margin-top: 48px;
  margin-bottom: 48px;
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}

.region-wall span {
  display: grid;
  min-height: 112px;
  place-items: center;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-accent-dark);
  background: var(--color-panel);
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
}

.region-wall span:nth-child(even) {
  background: var(--color-water);
}

.nodes-end {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  margin-top: 58px;
  padding: clamp(28px, 5vw, 48px);
  border: 1px solid var(--color-accent-dark);
  border-top: 6px solid var(--color-error);
  border-radius: var(--radius-small);
  color: var(--color-water);
  background: var(--color-accent-dark);
  box-shadow: var(--shadow-panel);
  gap: 32px;
}

.nodes-end h2 {
  margin-top: 18px;
  color: var(--color-white);
}

.nodes-end p {
  max-width: 48rem;
  margin-bottom: 0;
  color: var(--color-border);
}

.nodes-end .button-secondary {
  border-color: var(--color-white);
  color: var(--color-accent-dark);
  background: var(--color-white);
}

@media (max-width: 1040px) {
  .nodes-hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.7fr);
    gap: 36px;
  }

  .route-poster {
    min-height: 470px;
  }

  .route-entry {
    grid-template-columns: minmax(110px, 0.2fr) minmax(0, 1fr);
  }

  .route-entry-use {
    grid-column: 2;
    padding-left: 0;
    border-left: 0;
  }

  .region-wall {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .nodes-hero {
    min-height: auto;
  }

  .nodes-hero::before,
  .nodes-hero::after {
    display: none;
  }

  .nodes-hero-grid,
  .nodes-intro,
  .nodes-heading-row,
  .switching-layout,
  .coverage-grid {
    grid-template-columns: 1fr;
  }

  .route-poster {
    width: min(100%, 500px);
    min-height: 430px;
    margin-inline: auto;
    transform: none;
  }

  .nodes-heading-row {
    align-items: start;
  }

  .usage-row {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .switching-note {
    margin-top: 8px;
  }

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

@media (max-width: 640px) {
  .nodes-hero-copy .actions {
    margin-top: 22px;
  }

  .nodes-facts {
    justify-content: flex-start;
    margin-top: 24px;
  }

  .route-poster {
    min-height: 380px;
  }

  .route-poster-head,
  .route-poster-foot {
    right: 22px;
    left: 22px;
  }

  .route-poster-foot {
    gap: 8px;
  }

  .route-map {
    right: 24px;
    left: 24px;
  }

  .route-point {
    width: 56px;
    height: 56px;
    font-size: 11px;
  }

  .route-source {
    width: 54px;
    height: 54px;
  }

  .route-entry,
  .route-entry-wide {
    grid-template-columns: 1fr;
    padding-right: 18px;
    padding-left: 18px;
    gap: 18px;
  }

  .route-entry:not(.route-entry-wide) {
    padding-right: 0;
    padding-left: 0;
  }

  .route-entry-use {
    grid-column: auto;
    padding-top: 18px;
    border-top: 1px dashed var(--color-accent);
  }

  .usage-row {
    padding-top: 30px;
    padding-bottom: 30px;
  }

  .switching-flow article {
    padding-left: 62px;
  }

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

  .region-wall span {
    min-height: 84px;
  }

  .nodes-end .actions {
    width: 100%;
  }
}

@media (max-width: 380px) {
  .route-poster {
    min-height: 350px;
  }

  .route-poster-head span:last-child {
    display: none;
  }

  .route-poster-foot {
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .route-point-other {
    left: 32%;
  }
}