.route-hero {
  position: relative;
  overflow-x: clip;
}

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

.route-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(340px, 0.85fr);
  gap: 54px;
  align-items: center;
}

.route-hero-copy {
  min-width: 0;
}

.route-hero-copy h1 {
  max-width: 760px;
  margin-top: 20px;
}

.route-hero-copy .lead {
  max-width: 790px;
}

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

.route-fact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 28px;
}

.route-overview {
  position: relative;
  min-width: 0;
  padding: 30px;
  overflow: clip;
  box-shadow: var(--shadow-card);
  transform: rotate(-1deg);
}

.route-overview::after {
  content: "";
  position: absolute;
  right: -52px;
  bottom: -74px;
  width: 170px;
  height: 170px;
  border-radius: var(--radius-pill);
  background: var(--color-accent-halo);
  pointer-events: none;
}

.route-overview-label {
  margin-bottom: 20px;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.route-region-list {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 10px;
}

.route-region {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 14px;
  padding: 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
}

.route-region-mark {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-white);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
}

.route-region div {
  min-width: 0;
}

.route-region strong,
.route-region span {
  display: block;
}

.route-region div > span {
  margin-top: 2px;
  color: var(--color-muted);
  font-size: 12.5px;
  overflow-wrap: anywhere;
}

.route-overview-note {
  position: relative;
  z-index: 1;
  margin: 18px 2px 0;
  color: var(--color-muted);
  font-size: 13px;
}

.route-toc-wrap {
  position: relative;
  z-index: 30;
}

.route-section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.75fr);
  gap: 48px;
  align-items: end;
  margin-bottom: 32px;
}

.route-section-heading h2 {
  margin-bottom: 0;
}

.route-section-heading > p {
  margin-bottom: 4px;
  color: var(--color-muted);
}

.route-section-index {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--color-accent);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.route-types-section,
.route-method-section {
  border-block: 1px solid var(--color-border);
  background: var(--color-panel-strong);
}

.type-ledger {
  overflow: clip;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-panel);
  box-shadow: var(--shadow-tile);
}

.type-ledger-row {
  display: grid;
  grid-template-columns: minmax(180px, 0.7fr) minmax(0, 2fr) minmax(180px, 0.65fr);
  gap: 34px;
  padding: 32px;
  align-items: start;
  border-bottom: 1px solid var(--color-border);
}

.type-ledger-row:last-child {
  border-bottom: 0;
}

.type-ledger-title h3 {
  margin-top: 14px;
  margin-bottom: 0;
  font-family: var(--font-display);
  font-size: 29px;
  font-weight: 400;
}

.type-ledger-copy {
  min-width: 0;
}

.type-ledger-copy p {
  color: var(--color-text);
}

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

.type-ledger-fact {
  min-width: 0;
  padding: 18px;
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: var(--color-panel-strong);
}

.type-ledger-fact span,
.type-ledger-fact strong {
  display: block;
}

.type-ledger-fact span {
  color: var(--color-muted);
  font-size: 12px;
}

.type-ledger-fact strong {
  margin-top: 5px;
  font-size: 14px;
}

.use-case-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

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

.use-case-wide {
  grid-column: 1 / -1;
}

.use-case-head {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-bottom: 17px;
}

.use-case-head h3 {
  margin-bottom: 0;
  font-family: var(--font-display);
  font-weight: 400;
}

.use-case-symbol {
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-pill);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}

.use-case-panel p {
  color: var(--color-muted);
}

.use-case-panel p:last-child {
  margin-bottom: 0;
}

.route-method-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.78fr) minmax(0, 1.22fr);
  gap: 64px;
  align-items: start;
}

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

.route-method-intro h2 {
  font-size: clamp(34px, 3vw, 46px);
}

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

.decision-steps li {
  position: relative;
  min-width: 0;
  padding: 0 0 32px 66px;
  counter-increment: route-step;
}

.decision-steps li::before {
  content: counter(route-step);
  position: absolute;
  top: 0;
  left: 0;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-weight: 700;
}

.decision-steps li::after {
  content: "";
  position: absolute;
  top: 48px;
  bottom: 6px;
  left: 20px;
  width: 1px;
  background: var(--color-border);
}

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

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

.decision-steps h3 {
  margin-bottom: 8px;
  font-family: var(--font-display);
  font-weight: 400;
}

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

.scope-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr);
  gap: 42px;
  align-items: start;
}

.scope-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  overflow: clip;
}

.scope-fact {
  min-width: 0;
  padding: 28px 20px;
  text-align: center;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.scope-fact:nth-child(even) {
  border-right: 0;
}

.scope-fact:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.scope-fact strong,
.scope-fact span {
  display: block;
}

.scope-fact strong {
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: 35px;
  font-weight: 400;
  line-height: 1.1;
}

.scope-fact span {
  margin-top: 8px;
  color: var(--color-muted);
  font-size: 12.5px;
}

.scope-copy h3 {
  font-family: var(--font-display);
  font-weight: 400;
}

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

.route-next {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  align-items: center;
  margin-top: 44px;
  padding: 30px;
  border-radius: var(--radius-xl);
}

.route-next h3 {
  margin-bottom: 7px;
  font-family: var(--font-display);
  font-weight: 400;
}

.route-next p {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--color-muted);
}

.route-next .button-row {
  flex: none;
}

@media (max-width: 1040px) {
  .route-hero-grid,
  .route-method-grid,
  .scope-layout {
    grid-template-columns: 1fr;
  }

  .route-overview {
    transform: none;
  }

  .route-section-heading {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .type-ledger-row {
    grid-template-columns: minmax(160px, 0.65fr) minmax(0, 1.35fr);
  }

  .type-ledger-fact {
    grid-column: 2;
  }

  .route-method-intro {
    position: static;
  }
}

@media (max-width: 768px) {
  .route-hero-grid {
    gap: 36px;
  }

  .route-overview {
    padding: 24px;
  }

  .type-ledger-row {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 26px;
  }

  .type-ledger-fact {
    grid-column: auto;
  }

  .use-case-grid {
    grid-template-columns: 1fr;
  }

  .use-case-wide {
    grid-column: auto;
  }

  .route-next {
    display: grid;
    align-items: stretch;
  }

  .route-next .button-row {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .route-fact-row {
    align-items: stretch;
  }

  .route-fact-row .capsule {
    flex: 1 1 140px;
    justify-content: center;
  }

  .route-region {
    align-items: flex-start;
  }

  .use-case-panel {
    padding: 23px;
  }

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

  .scope-facts {
    grid-template-columns: 1fr;
  }

  .scope-fact,
  .scope-fact:nth-child(even),
  .scope-fact:nth-last-child(-n + 2) {
    border-right: 0;
    border-bottom: 1px solid var(--color-border);
  }

  .scope-fact:last-child {
    border-bottom: 0;
  }

  .route-next {
    padding: 24px;
  }
}