.nodes-hero {
  position: relative;
  overflow: clip;
  border-bottom: 1px solid var(--color-line);
  background: var(--color-canvas);
}

.nodes-hero::before {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(var(--hero-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--hero-grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, var(--color-ink), transparent);
  content: "";
  pointer-events: none;
}

.nodes-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 640px;
  grid-template-columns: minmax(0, 0.88fr) minmax(440px, 1.12fr);
  align-items: center;
  gap: clamp(42px, 7vw, 90px);
}

.nodes-hero-copy h1 {
  margin-top: 20px;
}

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

.nodes-hero-copy .cta-row {
  margin-top: 32px;
}

.nodes-trust {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.route-sheet {
  overflow: hidden;
  padding: 18px;
  background: var(--color-canvas);
  transform: rotate(-0.4deg);
}

.route-sheet-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 3px 5px 14px;
  border-bottom: 1px solid var(--color-line);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.route-sheet svg {
  width: 100%;
  margin-top: 8px;
}

.nodes-svg-ground {
  fill: var(--color-panel-strong);
}

.nodes-svg-guide {
  fill: none;
  stroke: var(--color-line);
  stroke-dasharray: 5 7;
  stroke-width: 1.5;
}

.nodes-svg-route {
  fill: none;
  stroke: var(--color-ink);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 17;
}

.nodes-svg-route-accent {
  fill: none;
  stroke: var(--color-accent);
  stroke-linecap: round;
  stroke-width: 14;
}

.nodes-svg-drop {
  fill: none;
  stroke: var(--color-muted);
  stroke-dasharray: 4 5;
  stroke-width: 1.4;
}

.nodes-svg-disc,
.nodes-svg-hub {
  fill: var(--color-canvas);
  stroke: var(--color-ink);
  stroke-width: 1.4;
}

.nodes-svg-top {
  fill: var(--color-panel);
  stroke: var(--color-ink);
  stroke-width: 1.4;
}

.nodes-svg-core,
.nodes-svg-packet {
  fill: var(--color-accent);
}

.nodes-svg-label {
  fill: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.nodes-svg-packet {
  opacity: 0;
  transform-box: fill-box;
  transform-origin: center;
}

.packet-a {
  animation: packet-a 3.8s linear infinite;
}

.packet-b {
  animation: packet-b 3.8s linear infinite 0.8s;
}

.packet-c {
  animation: packet-c 2.8s linear infinite 0.4s;
}

@keyframes packet-a {
  0% {
    opacity: 0;
    transform: translate(0, 0);
  }

  10%,
  88% {
    opacity: 1;
  }

  100% {
    opacity: 0;
    transform: translate(155px, -86px);
  }
}

@keyframes packet-b {
  0% {
    opacity: 0;
    transform: translate(0, 0);
  }

  10%,
  88% {
    opacity: 1;
  }

  100% {
    opacity: 0;
    transform: translate(-166px, -75px);
  }
}

@keyframes packet-c {
  0% {
    opacity: 0;
    transform: translate(0, 0);
  }

  10%,
  88% {
    opacity: 1;
  }

  100% {
    opacity: 0;
    transform: translate(20px, 100px);
  }
}

.section-heading {
  max-width: 820px;
  margin-bottom: clamp(34px, 6vw, 58px);
}

.section-heading h2 {
  margin-top: 18px;
}

.directory-note,
.coverage-callout {
  margin-top: 28px;
}

.directory-note p,
.coverage-callout p {
  margin-bottom: 0;
}

.route-type {
  display: inline-flex;
  max-width: 100%;
  align-items: center;
  padding: 4px 10px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-ink);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.4;
}

.route-types-section,
.route-workflow-section {
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  background: var(--color-panel);
}

.route-type-list {
  border-top: 1px solid var(--color-line);
}

.route-type-unit {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr) minmax(220px, 0.55fr);
  align-items: center;
  gap: clamp(28px, 5vw, 64px);
  padding-top: clamp(50px, 7vw, 84px);
  padding-bottom: clamp(50px, 7vw, 84px);
  border-bottom: 1px solid var(--color-line);
}

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

.route-type-unit-reverse .route-type-code {
  order: 3;
}

.route-type-unit-reverse .route-type-copy {
  order: 2;
}

.route-type-unit-reverse .route-part {
  order: 1;
}

.route-type-code,
.use-case-label {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.09em;
}

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

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

.route-part {
  padding: 18px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-medium);
  background: var(--color-canvas);
  box-shadow: var(--shadow-panel);
}

.part-disc,
.part-top {
  fill: var(--color-canvas);
  stroke: var(--color-ink);
  stroke-width: 1.5;
}

.part-top {
  fill: var(--color-panel);
}

.part-pipe-outer,
.part-pipe-inner,
.part-pipe-accent {
  fill: none;
  stroke-linecap: round;
}

.part-pipe-outer {
  stroke: var(--color-ink);
  stroke-width: 16;
}

.part-pipe-inner {
  stroke: var(--color-panel);
  stroke-width: 13;
}

.part-pipe-accent {
  stroke: var(--color-accent);
  stroke-width: 12;
}

.part-guide {
  fill: none;
  stroke: var(--color-line);
  stroke-dasharray: 4 6;
  stroke-width: 1.3;
}

.part-core {
  fill: var(--color-accent);
}

.use-case-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 18px;
}

.use-case {
  min-width: 0;
  padding: 28px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-medium);
  background: var(--color-canvas);
  box-shadow: var(--shadow-panel);
}

.use-case:nth-child(1),
.use-case:nth-child(2) {
  grid-column: span 6;
}

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

.use-case h3 {
  margin-top: 14px;
  font-size: 24px;
}

.use-case p {
  margin-bottom: 0;
  color: var(--color-muted);
}

.route-workflow-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.75fr) minmax(0, 1.25fr);
  align-items: start;
  gap: clamp(44px, 8vw, 100px);
}

.route-workflow-grid h2 {
  margin-top: 18px;
}

.workflow-list {
  border-top: 1px solid var(--color-line);
}

.workflow-item {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 22px;
  padding-top: 30px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--color-line);
}

.workflow-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-small);
  background: var(--color-canvas);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 800;
}

.workflow-item h3 {
  font-size: 22px;
}

.workflow-item p {
  margin-bottom: 0;
  color: var(--color-muted);
}

.coverage-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: clamp(38px, 7vw, 84px);
  padding: clamp(28px, 6vw, 58px);
}

.coverage-copy h2 {
  margin-top: 18px;
}

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

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

.region-wall {
  display: grid;
  align-content: center;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.region-token {
  display: flex;
  min-height: 126px;
  min-width: 0;
  align-items: flex-start;
  justify-content: space-between;
  flex-direction: column;
  padding: 20px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-small);
  background: var(--color-panel);
}

.region-token strong {
  color: var(--color-ink);
  font-size: 18px;
}

.region-token small {
  color: var(--color-muted);
  line-height: 1.6;
}

@media (max-width: 980px) {
  .nodes-hero-grid {
    min-height: auto;
    grid-template-columns: minmax(0, 1fr);
  }

  .route-sheet {
    max-width: 720px;
  }

  .route-type-unit,
  .route-type-unit-reverse {
    grid-template-columns: 100px minmax(0, 1fr);
  }

  .route-type-unit .route-type-code,
  .route-type-unit .route-type-copy,
  .route-type-unit-reverse .route-type-code,
  .route-type-unit-reverse .route-type-copy {
    order: initial;
  }

  .route-type-unit .route-part,
  .route-type-unit-reverse .route-part {
    grid-column: 2;
    order: initial;
  }

  .use-case:nth-child(3),
  .use-case:nth-child(4) {
    grid-column: span 6;
  }

  .use-case:nth-child(5) {
    grid-column: span 12;
  }

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

@media (max-width: 700px) {
  .nodes-hero-grid {
    gap: 34px;
  }

  .route-sheet {
    padding: 12px;
    transform: none;
  }

  .route-sheet-head {
    gap: 10px;
    font-size: 9px;
  }

  .route-type-unit,
  .route-type-unit-reverse {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .route-type-unit .route-part,
  .route-type-unit-reverse .route-part {
    grid-column: auto;
  }

  .route-type-code {
    margin-bottom: -8px;
  }

  .use-case:nth-child(1),
  .use-case:nth-child(2),
  .use-case:nth-child(3),
  .use-case:nth-child(4),
  .use-case:nth-child(5) {
    grid-column: span 12;
  }

  .use-case {
    padding: 23px;
  }

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

  .region-token {
    min-height: 108px;
  }
}

@media (max-width: 420px) {
  .nodes-trust {
    align-items: stretch;
    flex-direction: column;
  }

  .nodes-trust .chip {
    justify-content: center;
  }

  .route-sheet svg {
    width: 135%;
    max-width: none;
    margin-left: -17.5%;
  }

  .workflow-item {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 15px;
  }

  .workflow-mark {
    width: 38px;
    height: 38px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .nodes-svg-packet {
    animation: none;
    opacity: 0.9;
  }
}