.hero {
  position: relative;
  overflow-x: clip;
  padding: 34px var(--gutter) 44px;
}

.hero-atmosphere,
.hero-grid-decor {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-atmosphere {
  background:
    radial-gradient(620px 440px at 24% 12%, var(--color-halo-warm), transparent 70%),
    radial-gradient(720px 500px at 76% 24%, var(--color-halo-green), transparent 72%);
}

.hero-grid-decor {
  background-image: radial-gradient(var(--color-dot-grid) 1px, transparent 1.4px);
  background-size: 28px 28px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .9), transparent 62%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .9), transparent 62%);
}

.hero-stack {
  position: relative;
  z-index: 2;
  display: flex;
  max-width: 1160px;
  margin-inline: auto;
  align-items: center;
  flex-direction: column;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  min-height: 31px;
  max-width: 100%;
  align-items: center;
  gap: 8px;
  padding: 5px 16px;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-ink-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
}

.hero-badge i {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--color-warning);
}

.hero-title {
  margin-top: 18px;
  margin-bottom: 0;
  font-size: 62px;
  line-height: 1.16;
  letter-spacing: .012em;
}

.hero-actions {
  display: flex;
  margin-top: 26px;
  align-items: center;
  gap: 16px;
}

.hero-actions .btn-primary {
  padding: 15px 42px;
  font-size: 17px;
}

.hero-actions .btn-secondary {
  padding: 14px 36px;
  font-size: 16px;
}

.hero-lede {
  max-width: 640px;
  margin-top: 20px;
  margin-bottom: 0;
  color: var(--color-ink-muted);
  font-size: 16.5px;
}

.hero-lede strong {
  color: var(--color-ink);
}

.trust-row {
  display: flex;
  margin-top: 14px;
  margin-bottom: 0;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 6px 14px;
  color: var(--color-ink-muted);
  font-size: 13.5px;
}

.trust-row b {
  color: var(--color-ink);
}

.trust-separator {
  color: var(--color-line);
}

.platform-row {
  display: flex;
  margin-top: 16px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 14px 26px;
}

.platform-row li {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 7px;
  color: var(--color-ink-muted);
  font-size: 13.5px;
}

.platform-row svg,
.platform-icon {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  color: currentColor;
}

.route-card {
  position: relative;
  z-index: 2;
  width: min(1020px, 100%);
  margin: 30px auto 0;
  overflow: hidden;
  border-radius: var(--radius-large);
  background: var(--color-night);
  box-shadow: var(--shadow-card);
}

.route-card-top {
  display: flex;
  min-height: 52px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 22px;
  border-bottom: 1px solid var(--color-night-line);
  background: var(--color-night-soft);
}

.quantum-pill {
  display: inline-flex;
  max-width: 100%;
  align-items: center;
  gap: 9px;
  padding: 5px 14px;
  overflow: hidden;
  border: 1px solid var(--color-night-line);
  border-radius: var(--radius-pill);
  color: var(--color-cream-text);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
}

.quantum-dot {
  position: relative;
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--color-success);
}

.quantum-dot::after {
  position: absolute;
  inset: -4px;
  border: 1px solid var(--color-success);
  border-radius: 50%;
  content: "";
  opacity: .5;
  animation: quantum-pulse 2.6s ease-out infinite;
}

.route-callsign {
  flex: 0 0 auto;
  color: var(--color-cream-text);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  opacity: .75;
}

.route-map {
  padding: 6px 20px 0;
}

.route-map svg {
  width: 100%;
  height: auto;
}

.route-latitude {
  fill: none;
  stroke: var(--color-cream-line);
  stroke-width: 1;
  stroke-dasharray: 3 7;
  opacity: .1;
}

.route-arc {
  fill: none;
  stroke: var(--color-cream-line);
  stroke-width: 1.4;
  opacity: .62;
}

.route-node {
  fill: var(--color-cream-dot);
}

.route-ring {
  fill: none;
  stroke: var(--color-cream-line);
  stroke-width: 1;
  opacity: .35;
}

.route-name {
  fill: var(--color-cream-text);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .05em;
}

.route-flow-dot {
  fill: var(--color-cream-dot);
  opacity: 0;
  animation: route-flow 3.3s linear infinite;
}

.route-flow-dots circle:nth-child(2) {
  animation-delay: .45s;
}

.route-flow-dots circle:nth-child(3) {
  animation-delay: .9s;
}

.route-flow-dots circle:nth-child(4) {
  animation-delay: 1.35s;
}

.route-flow-dots circle:nth-child(5) {
  animation-delay: 1.8s;
}

.route-flow-dots circle:nth-child(6) {
  animation-delay: 2.25s;
}

.route-flags {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 22px;
  padding: 14px 24px 18px;
  border-top: 1px solid var(--color-night-line);
}

.route-flags-label {
  flex: 0 0 auto;
  color: var(--color-cream-text);
  font-size: 11px;
  letter-spacing: .16em;
  opacity: .7;
}

.route-flags-list {
  display: flex;
  min-width: 0;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 24px;
  list-style: none;
}

.route-flags-list li,
.flag-inline {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 8px;
  color: var(--color-cream-text);
  font-size: 13px;
}

.route-flags-list svg,
.flag-inline svg {
  width: 26px;
  height: 17px;
  flex: 0 0 auto;
  overflow: hidden;
  border-radius: 3px;
}

.flag-red {
  fill: var(--color-flag-red);
}

.flag-blue {
  fill: var(--color-flag-blue);
}

.flag-white {
  fill: var(--color-flag-white);
}

.flag-green {
  fill: var(--color-flag-green);
}

.next-hint {
  margin-top: 46px;
  background: var(--color-night);
}

.next-hint-inner {
  display: flex;
  max-width: 1160px;
  margin-inline: auto;
  align-items: baseline;
  gap: 20px;
  padding: 36px var(--gutter) 72px;
}

.next-index {
  color: var(--color-cream-text);
  font-family: var(--font-display);
  font-size: 34px;
  opacity: .55;
}

.next-title {
  color: var(--color-cream-dot);
  font-family: var(--font-display);
  font-size: 21px;
}

.next-scroll {
  margin-left: auto;
  color: var(--color-cream-text);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  opacity: .55;
}

.tab-shell {
  min-width: 0;
}

.tab-list {
  display: flex;
  max-width: 100%;
  margin-bottom: 28px;
  gap: 8px;
  padding: 6px;
  overflow-x: auto;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  -webkit-overflow-scrolling: touch;
}

.tab-list [role="tab"] {
  min-width: max-content;
  min-height: 42px;
  padding: 8px 20px;
  border: 0;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--color-ink-muted);
  font-weight: 650;
}

.tab-list [role="tab"][aria-selected="true"] {
  background: var(--color-accent);
  color: var(--color-white);
}

[role="tabpanel"][hidden] {
  display: none;
}

.toc-tabs {
  position: sticky;
  top: 12px;
  z-index: 30;
  display: flex;
  width: 100%;
  max-width: 100%;
  margin-bottom: 40px;
  gap: 8px;
  padding: 8px;
  overflow-x: auto;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  box-shadow: var(--shadow-panel);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.toc-tabs a {
  display: inline-flex;
  min-width: max-content;
  min-height: 40px;
  align-items: center;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  color: var(--color-ink-muted);
  font-size: 14px;
}

.toc-tabs a:hover,
.toc-tabs a.is-current,
.toc-tabs a[aria-current="location"] {
  background: var(--color-accent);
  color: var(--color-white);
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  overflow: clip;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-medium);
  background: var(--color-surface);
}

.faq-item summary {
  position: relative;
  min-height: 58px;
  padding: 17px 54px 17px 20px;
  color: var(--color-ink);
  font-weight: 700;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  position: absolute;
  top: 50%;
  right: 20px;
  color: var(--color-accent);
  content: "+";
  font-family: var(--font-mono);
  font-size: 24px;
  line-height: 1;
  transform: translateY(-50%);
  transition: transform var(--transition-fast);
}

.faq-item[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
}

.faq-answer {
  padding: 0 20px 20px;
  color: var(--color-ink-muted);
}

.faq-answer > :last-child {
  margin-bottom: 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.plan-card {
  position: relative;
  display: flex;
  min-width: 0;
  padding: 30px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-large);
  background: var(--color-surface);
  flex-direction: column;
  box-shadow: var(--shadow-panel);
}

.plan-card.is-featured {
  border: 2px solid var(--color-accent);
  background: var(--color-white);
  transform: translateY(-8px);
  box-shadow: var(--shadow-card);
}

.plan-badge {
  position: absolute;
  top: 18px;
  right: 18px;
  display: inline-flex;
  max-width: calc(100% - 36px);
  min-height: 28px;
  align-items: center;
  padding: 4px 11px;
  overflow: hidden;
  border-radius: var(--radius-pill);
  background: var(--color-warning);
  color: var(--color-white);
  font-size: 12px;
  font-weight: 700;
}

.plan-name {
  padding-right: 72px;
  font-family: var(--font-display);
  font-size: 26px;
}

.plan-price {
  margin: 26px 0 8px;
  color: var(--color-accent-deep);
  font-family: var(--font-display);
  font-size: 46px;
  line-height: 1;
}

.plan-price small {
  color: var(--color-ink-muted);
  font-family: var(--font-body);
  font-size: 14px;
}

.plan-meta {
  color: var(--color-ink-muted);
}

.plan-features {
  display: grid;
  margin: 24px 0 30px;
  gap: 10px;
  padding: 0;
  list-style: none;
}

.plan-features li {
  position: relative;
  padding-left: 24px;
  color: var(--color-ink-muted);
}

.plan-features li::before {
  position: absolute;
  top: .56em;
  left: 3px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-success);
  content: "";
}

.plan-card .btn,
.plan-card .btn-primary,
.plan-card .btn-secondary {
  width: 100%;
  margin-top: auto;
}

.table-scroll {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-medium);
  background: var(--color-surface);
  -webkit-overflow-scrolling: touch;
}

.table-scroll table {
  width: 100%;
  min-width: 720px;
}

.data-table {
  width: 100%;
}

.data-table thead {
  background: var(--color-cream-line);
}

.data-table th,
.data-table td {
  color: var(--color-ink);
}

.data-table td {
  color: var(--color-ink-muted);
}

.data-table tbody tr:hover {
  background: var(--color-canvas);
}

.prose > .data-table {
  display: block;
  min-width: 0;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.region-group {
  margin-top: 34px;
}

.region-heading {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 26px;
}

.region-heading::before {
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--color-warning);
  content: "";
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.platform-card {
  display: flex;
  min-width: 0;
  min-height: 220px;
  align-items: flex-start;
  padding: 24px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-large);
  background: var(--color-surface);
  flex-direction: column;
  box-shadow: var(--shadow-panel);
}

.platform-card-icon {
  display: grid;
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  margin-bottom: 22px;
  place-items: center;
  border-radius: var(--radius-medium);
  background: var(--color-canvas);
  color: var(--color-accent-deep);
}

.platform-card-icon svg {
  width: 24px;
  height: 24px;
}

.platform-card h3 {
  font-size: 23px;
}

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

.platform-card .btn,
.platform-card .btn-quiet {
  width: 100%;
  margin-top: auto;
  padding-inline: 14px;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.article-card {
  display: flex;
  min-width: 0;
  min-height: 330px;
  padding: 28px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-large);
  background: var(--color-surface);
  flex-direction: column;
  box-shadow: var(--shadow-panel);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.article-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
}

.article-meta {
  display: flex;
  margin-bottom: 20px;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  color: var(--color-ink-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

.article-card h3 {
  font-size: 26px;
}

.article-card p {
  color: var(--color-ink-muted);
}

.article-link {
  display: inline-flex;
  min-height: 32px;
  margin-top: auto;
  align-items: center;
  color: var(--color-accent-deep);
  font-weight: 700;
}

.callout {
  position: relative;
  margin: 30px 0;
  padding: 24px 26px 24px 32px;
  border: 1px solid var(--color-line);
  border-radius: 0 var(--radius-medium) var(--radius-medium) 0;
  background: var(--color-surface);
  color: var(--color-ink-muted);
}

.callout::before {
  position: absolute;
  inset: -1px auto -1px -1px;
  width: 5px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  content: "";
}

.callout-warning::before {
  background: var(--color-warning);
}

.callout strong {
  color: var(--color-ink);
}

.promo-block {
  position: relative;
  display: grid;
  min-width: 0;
  margin-top: 56px;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 30px;
  padding: 38px;
  overflow: clip;
  border-radius: var(--radius-large);
  background: var(--color-night);
  color: var(--color-cream-dot);
  box-shadow: var(--shadow-card);
}

.promo-block::after {
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: 220px;
  height: 220px;
  border: 1px solid var(--color-night-line);
  border-radius: 50%;
  content: "";
}

.promo-copy {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.promo-brand {
  margin-bottom: 8px;
  color: var(--color-cream-text);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
}

.promo-block h2,
.promo-block h3 {
  color: var(--color-cream-dot);
}

.promo-block p {
  margin-bottom: 0;
  color: var(--color-cream-text);
}

.promo-block .btn-primary {
  position: relative;
  z-index: 1;
  white-space: nowrap;
}

.feature-ledger {
  background: var(--color-night);
  color: var(--color-cream-dot);
}

.ledger-row {
  display: grid;
  min-width: 0;
  grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  gap: 72px;
  padding: 56px 0;
  border-bottom: 1px solid var(--color-night-line);
  transition: background var(--transition-fast);
}

.ledger-row:hover {
  background: var(--color-night-hover);
}

.ledger-row:nth-child(even) .ledger-heading {
  grid-column: 2;
}

.ledger-row:nth-child(even) .ledger-detail {
  grid-column: 1;
  grid-row: 1;
}

.ledger-heading {
  min-width: 0;
}

.ledger-number {
  display: block;
  margin-bottom: 12px;
  color: var(--color-cream-text);
  font-family: var(--font-display);
  font-size: 48px;
  opacity: .55;
}

.ledger-heading h3 {
  color: var(--color-cream-dot);
  font-size: clamp(30px, 3.5vw, 44px);
}

.ledger-detail {
  min-width: 0;
  color: var(--color-cream-text);
}

.ledger-line-art {
  width: 100%;
  height: 80px;
  margin-top: 20px;
  color: var(--color-cream-line);
}

.palette-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px;
}

.palette-swatch {
  overflow: clip;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-medium);
  background: var(--color-surface);
}

.palette-chip {
  height: 92px;
}

.swatch-canvas {
  background: var(--color-canvas);
}

.swatch-surface {
  background: var(--color-surface);
}

.swatch-night {
  background: var(--color-night);
}

.swatch-border {
  background: var(--color-line);
}

.swatch-accent {
  background: var(--color-accent);
}

.swatch-accent-deep {
  background: var(--color-accent-deep);
}

.swatch-text {
  background: var(--color-ink);
}

.swatch-muted {
  background: var(--color-ink-muted);
}

.swatch-success {
  background: var(--color-success);
}

.swatch-warning {
  background: var(--color-warning);
}

.swatch-error {
  background: var(--color-error);
}

.palette-label {
  display: grid;
  gap: 2px;
  padding: 13px;
  color: var(--color-ink-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.preview-page {
  overflow-x: clip;
}

.preview-block {
  padding-top: 82px;
  padding-bottom: 82px;
  overflow-x: clip;
}

.preview-section-head {
  display: flex;
  margin-bottom: 36px;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}

.preview-section-head p {
  max-width: 520px;
  margin-bottom: 0;
  color: var(--color-ink-muted);
}

.type-specimen {
  display: grid;
  gap: 28px;
}

.type-display-sample {
  margin-bottom: 0;
  font-family: var(--font-display);
  font-size: clamp(42px, 6vw, 68px);
  line-height: 1.1;
}

.type-body-sample {
  max-width: 720px;
  margin-bottom: 0;
  color: var(--color-ink-muted);
  font-size: 18px;
}

.type-mono-sample {
  margin-bottom: 0;
  color: var(--color-accent-deep);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
}

.preview-button-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.preview-dark {
  background: var(--color-night);
  color: var(--color-cream-dot);
}

.preview-dark .preview-section-head p {
  color: var(--color-cream-text);
}

.preview-table-title {
  margin-top: 44px;
}

.preview-static-footer {
  margin-top: 0;
}

@keyframes route-flow {
  0%,
  100% {
    opacity: 0;
    transform: translateX(-8px);
  }

  18%,
  52% {
    opacity: 1;
  }

  70% {
    opacity: 0;
    transform: translateX(8px);
  }
}

@keyframes quantum-pulse {
  0% {
    opacity: .6;
    transform: scale(.6);
  }

  80%,
  100% {
    opacity: 0;
    transform: scale(1.6);
  }
}

@media (max-width: 1080px) {
  .hero-title {
    font-size: 44px;
  }

  .platform-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (max-width: 900px) {
  .pricing-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .plan-card.is-featured {
    transform: none;
  }

  .ledger-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

  .ledger-row:nth-child(even) .ledger-heading,
  .ledger-row:nth-child(even) .ledger-detail {
    grid-column: auto;
    grid-row: auto;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 24px var(--gutter) 36px;
  }

  .hero-title {
    font-size: 36px;
  }

  .hero-actions {
    width: 100%;
    flex-direction: column;
  }

  .hero-actions .btn-primary,
  .hero-actions .btn-secondary {
    width: 100%;
    max-width: 340px;
  }

  .route-card-top,
  .route-flags {
    flex-wrap: wrap;
  }

  .route-map {
    padding-inline: 8px;
  }

  .route-name {
    font-size: 9px;
  }

  .next-scroll {
    display: none;
  }

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

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

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

  .preview-section-head {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .hero-title {
    font-size: 34px;
  }

  .trust-row {
    gap: 7px 10px;
  }

  .route-callsign {
    font-size: 10px;
  }

  .route-flags-list {
    gap: 10px 16px;
  }

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

  .toc-tabs {
    border-radius: var(--radius-medium);
  }

  .promo-block {
    padding: 28px 22px;
  }

  .next-hint-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  .route-flow-dot {
    animation: none;
    opacity: .85;
  }

  .quantum-dot::after {
    animation: none;
    opacity: .4;
  }

  .article-card:hover {
    transform: none;
  }
}