.hero-split {
  display: grid;
  min-height: 640px;
  grid-template-columns: 55% 45%;
  overflow-x: clip;
  background: var(--color-canvas);
}

.hero-copy {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  padding: 38px 48px 38px max(var(--gutter), calc((100vw - var(--content-width)) / 2));
}

.hero-copy-inner {
  width: min(100%, 600px);
}

.hero-copy h1 {
  margin-bottom: 20px;
  font-size: clamp(52px, 4.8vw, 68px);
}

.hero-copy .lead {
  margin-bottom: 26px;
  font-size: 16.5px;
}

.hero-trust {
  margin: 16px 0 28px;
  color: var(--color-text-soft);
  font-size: 13px;
}

.hero-trust strong {
  color: var(--color-text);
}

.hero-meta {
  display: grid;
  gap: 13px;
  padding-top: 18px;
  border-top: 1px solid var(--color-line);
}

.meta-row {
  display: flex;
  align-items: center;
  gap: 18px;
}

.meta-label {
  width: 64px;
  flex: none;
  color: var(--color-text-soft);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .1em;
}

.platform-inline,
.flag-inline {
  display: flex;
  align-items: center;
  gap: 18px;
}

.platform-chip,
.flag-chip {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: 6px;
  color: var(--color-text-soft);
  font-size: 12.5px;
  white-space: nowrap;
}

.platform-chip svg {
  width: 16px;
  height: 16px;
  flex: none;
}

.flag-chip svg {
  width: 24px;
  height: 16px;
  flex: none;
  overflow: hidden;
  border-radius: 3px;
}

.hero-device {
  position: relative;
  min-height: 640px;
  overflow: hidden;
  background: var(--color-ink);
}

.hero-device::before {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--color-dark-dot) 1px, transparent 1px);
  background-size: 22px 22px;
  content: "";
  pointer-events: none;
}

.device-kicker,
.device-fact {
  position: absolute;
  z-index: 3;
  color: var(--color-dark-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
}

.device-kicker {
  top: 28px;
  left: 32px;
}

.device-fact {
  bottom: 25px;
  left: 32px;
  padding: 7px 15px;
  border: 1px solid var(--color-dark-line);
  border-radius: var(--radius-pill);
  background: var(--color-ink-raised);
}

.express-map {
  position: absolute;
  top: 50%;
  left: -112px;
  z-index: 2;
  width: calc(100% + 112px);
  max-width: none;
  transform: translateY(-50%);
}

.express-guide {
  fill: none;
  stroke: var(--color-dark-line);
  stroke-dasharray: 2 7;
}

.express-arrow {
  fill: none;
  stroke: var(--color-dark-text);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 4;
}

.express-arrow-light {
  stroke: var(--color-text);
  opacity: .44;
}

.express-arrow-soft {
  opacity: .34;
}

.express-arrow-mid {
  opacity: .64;
}

.express-arrow-strong {
  opacity: 1;
}

.express-tick {
  stroke: var(--color-dark-faint);
  stroke-width: 1.5;
}

.express-node {
  fill: var(--color-ink);
  stroke: var(--color-dark-text);
  stroke-width: 2;
}

.station-board {
  fill: var(--color-ink-raised);
  stroke: var(--color-dark-line);
}

.station-city {
  fill: var(--color-dark-text);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 700;
}

.station-code {
  fill: var(--color-dark-soft);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .06em;
}

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

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

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

.svg-dark {
  fill: var(--color-ink);
}

.stats-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--color-dark-line);
  border-bottom: 1px solid var(--color-dark-line);
  background: var(--color-ink);
}

.stats-strip-item {
  padding: 20px var(--gutter);
  border-right: 1px solid var(--color-dark-line);
  color: var(--color-dark-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  text-align: center;
}

.stats-strip-item:last-child {
  border-right: 0;
}

.feature-ledger {
  border-top: 1px solid var(--color-dark-line);
}

.feature-row {
  display: grid;
  grid-template-columns: minmax(240px, .85fr) minmax(0, 1.15fr);
  gap: clamp(32px, 7vw, 110px);
  align-items: start;
  padding: clamp(36px, 5vw, 66px) var(--gutter);
  border-bottom: 1px solid var(--color-dark-line);
  background: var(--color-ink);
}

.feature-row:nth-child(even) {
  background: var(--color-ink-raised);
}

.feature-row-title {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--color-dark-text);
  font-size: clamp(25px, 3vw, 40px);
  font-weight: 850;
}

.feature-arrow {
  display: inline-grid;
  width: 34px;
  height: 34px;
  flex: none;
  place-items: center;
  border: 1px solid var(--color-dark-line);
  border-radius: 50%;
  color: var(--color-dark-soft);
  font-family: var(--font-mono);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.feature-row:hover .feature-arrow {
  background: var(--color-signal);
  color: var(--color-text);
}

.marker {
  padding-inline: .12em;
  background: linear-gradient(transparent 58%, var(--color-signal) 58%);
  color: inherit;
}

.feature-row p {
  margin: 0;
  color: var(--color-dark-soft);
  font-size: 16px;
  line-height: 1.9;
}

.tabs {
  min-width: 0;
}

.tab-list {
  display: inline-flex;
  max-width: 100%;
  gap: 4px;
  padding: 5px;
  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: 80px;
  min-height: 40px;
  padding: 8px 17px;
  border: 0;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--color-text-soft);
  white-space: nowrap;
}

.tab-list [role="tab"][aria-selected="true"] {
  background: var(--color-ink);
  color: var(--color-canvas);
  font-weight: 750;
}

.tab-panel {
  padding-top: 26px;
}

.tab-panel[hidden] {
  display: none;
}

.toc-tabs {
  position: sticky;
  top: 12px;
  z-index: 30;
  display: flex;
  max-width: 100%;
  gap: 5px;
  padding: 6px;
  overflow-x: auto;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-canvas);
  box-shadow: var(--shadow-card);
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.toc-tabs::-webkit-scrollbar {
  display: none;
}

.toc-tabs a {
  display: inline-flex;
  min-height: 38px;
  flex: none;
  align-items: center;
  padding: 7px 15px;
  border-radius: var(--radius-pill);
  color: var(--color-text-soft);
  font-size: 13px;
  white-space: nowrap;
}

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

body:has(.toc-tabs) section[id] {
  scroll-margin-top: calc(var(--header-height) + 74px);
}

.faq-list {
  display: grid;
  border-top: 2px solid var(--color-text);
}

.faq-item {
  border-bottom: 1px solid var(--color-line);
}

.faq-item summary {
  position: relative;
  min-height: 60px;
  padding: 20px 48px 20px 0;
  list-style: none;
  font-size: 18px;
  font-weight: 750;
}

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

.faq-item summary::after {
  position: absolute;
  top: 50%;
  right: 8px;
  width: 26px;
  height: 26px;
  border: 1px solid var(--color-line);
  border-radius: 50%;
  content: "+";
  font-family: var(--font-mono);
  line-height: 24px;
  text-align: center;
  transform: translateY(-50%);
}

.faq-item[open] summary::after {
  content: "−";
  background: var(--color-signal);
  color: var(--color-text);
}

.faq-answer {
  max-width: 850px;
  padding: 0 48px 22px 0;
  color: var(--color-text-soft);
}

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

.plan-card {
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 410px;
  flex-direction: column;
  padding: 30px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-canvas);
  box-shadow: var(--shadow-card);
}

.plan-card.is-featured {
  border: 2px solid var(--color-text);
  box-shadow: 8px 8px 0 var(--color-signal);
  transform: translateY(-8px);
}

.plan-badge {
  position: absolute;
  top: 18px;
  right: 18px;
}

.plan-name {
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .06em;
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: 5px;
  margin-bottom: 5px;
}

.plan-price strong {
  font-family: var(--font-display);
  font-size: 48px;
  line-height: 1;
}

.plan-price span {
  color: var(--color-text-soft);
}

.plan-quota {
  margin-bottom: 22px;
  color: var(--color-text-soft);
}

.plan-features {
  display: grid;
  gap: 9px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
}

.plan-features li::before {
  margin-right: 8px;
  color: var(--color-positive);
  content: "✓";
  font-weight: 800;
}

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

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

.data-table,
.network-table,
.compare-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  background: var(--color-canvas);
}

.data-table th,
.data-table td,
.network-table th,
.network-table td,
.compare-table th,
.compare-table td {
  padding: 15px 18px;
  border-bottom: 1px solid var(--color-line);
  text-align: left;
  vertical-align: middle;
}

.data-table th,
.network-table th,
.compare-table th {
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.data-table td:first-child,
.network-table td:first-child,
.compare-table td:first-child {
  color: var(--color-text);
  font-weight: 700;
}

.network-group th {
  border-top: 2px solid var(--color-text);
  background: var(--color-ink);
  color: var(--color-dark-text);
  font-family: var(--font-mono);
  letter-spacing: .06em;
}

.status-yes,
.status-partial {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-weight: 700;
}

.status-yes::before,
.status-partial::before {
  width: 8px;
  height: 8px;
  flex: none;
  border-radius: 50%;
  content: "";
}

.status-yes::before {
  background: var(--color-positive);
}

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

.platform-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.platform-card {
  display: flex;
  min-width: 0;
  min-height: 230px;
  flex-direction: column;
  align-items: flex-start;
  padding: 24px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-canvas);
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.platform-card:hover {
  box-shadow: var(--shadow-lift);
  transform: translateY(-3px);
}

.platform-icon {
  display: grid;
  width: 48px;
  height: 48px;
  margin-bottom: 28px;
  place-items: center;
  border-radius: var(--radius-md);
  background: var(--color-ink);
  color: var(--color-dark-text);
}

.platform-icon svg {
  width: 25px;
  height: 25px;
}

.platform-card h3 {
  margin-bottom: 7px;
  font-size: 20px;
}

.platform-card p {
  margin-bottom: 20px;
  color: var(--color-text-soft);
  font-size: 13px;
}

.platform-card .btn-small {
  margin-top: auto;
}

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

.article-card {
  display: flex;
  min-width: 0;
  min-height: 320px;
  flex-direction: column;
  padding: 28px;
  border-top: 4px solid var(--color-text);
  border-bottom: 1px solid var(--color-line);
  background: var(--color-canvas);
}

.article-card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 25px;
  color: var(--color-text-soft);
  font-family: var(--font-mono);
  font-size: 11px;
}

.article-card h3 {
  font-size: 24px;
  line-height: 1.3;
}

.article-card p {
  color: var(--color-text-soft);
}

.article-card-link {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  margin-top: auto;
  font-weight: 800;
}

.callout {
  position: relative;
  margin: 28px 0;
  padding: 24px 26px 24px 34px;
  border-left: 5px solid var(--color-signal);
  background: var(--color-surface);
  color: var(--color-text);
}

.callout strong {
  display: block;
  margin-bottom: 6px;
}

.article-promo {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: center;
  margin-top: 54px;
  padding: clamp(28px, 5vw, 52px);
  border-radius: var(--radius-lg);
  background: var(--color-ink);
  color: var(--color-dark-text);
}

.article-promo h2,
.article-promo h3 {
  color: var(--color-dark-text);
}

.article-promo p {
  margin: 0;
  color: var(--color-dark-soft);
}

.cta-band {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 30px;
  align-items: center;
  padding: clamp(40px, 6vw, 78px) var(--gutter);
  background: var(--color-ink);
  color: var(--color-dark-text);
}

.cta-band h2 {
  margin-bottom: 8px;
  color: var(--color-dark-text);
}

.cta-band p {
  margin: 0;
  color: var(--color-dark-soft);
}

.preview-section {
  padding-top: 92px;
  padding-bottom: 92px;
}

.preview-heading {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 28px;
  align-items: start;
  margin-bottom: 42px;
  padding-top: 16px;
  border-top: 3px solid var(--color-text);
}

.preview-index {
  color: var(--color-text-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
}

.preview-heading h2 {
  margin: 0;
}

.swatch-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.swatch {
  min-height: 150px;
  padding: 16px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 11px;
}

.swatch::before {
  display: block;
  height: 78px;
  margin: -16px -16px 14px;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  content: "";
}

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

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

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

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

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

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

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

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

.type-samples {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--color-line);
}

.type-sample {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 24px;
  align-items: baseline;
  padding: 24px 0;
  border-bottom: 1px solid var(--color-line);
}

.type-label {
  color: var(--color-text-soft);
  font-family: var(--font-mono);
  font-size: 11px;
}

.type-display {
  font-family: var(--font-display);
  font-size: clamp(38px, 5vw, 66px);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.08;
}

.type-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 46px);
  font-weight: 850;
}

.type-body {
  color: var(--color-text-soft);
  font-size: 18px;
}

.type-mono {
  font-family: var(--font-mono);
  font-size: 14px;
}

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

.preview-card-stack {
  display: grid;
  gap: 70px;
}

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

@media (max-width: 1100px) {
  .platform-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (max-width: 900px) {
  .hero-split {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    min-height: auto;
    padding: 68px var(--gutter);
  }

  .hero-device {
    min-height: 520px;
  }

  .pricing-grid,
  .article-grid {
    grid-template-columns: 1fr 1fr;
  }

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

@media (max-width: 768px) {
  .hero-copy h1 {
    font-size: clamp(32px, 9.5vw, 40px);
  }

  .device-kicker {
    display: none;
  }

  .express-map {
    left: -70px;
    width: calc(100% + 70px);
  }

  .feature-row {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .platform-grid {
    grid-template-columns: 1fr 1fr;
  }

  .article-promo,
  .cta-band {
    grid-template-columns: 1fr;
  }

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

  .preview-heading {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .type-sample {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

@media (max-width: 640px) {
  .hero-copy {
    padding-top: 48px;
    padding-bottom: 48px;
  }

  .hero-device {
    min-height: 430px;
  }

  .hero-meta {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .meta-row {
    width: max-content;
    min-width: 100%;
  }

  .platform-inline,
  .flag-inline {
    gap: 13px;
  }

  .platform-chip,
  .flag-chip {
    font-size: 11px;
  }

  .stats-strip {
    grid-template-columns: 1fr;
  }

  .stats-strip-item {
    border-right: 0;
    border-bottom: 1px solid var(--color-dark-line);
  }

  .pricing-grid,
  .article-grid,
  .platform-grid {
    grid-template-columns: 1fr;
  }

  .plan-card {
    min-height: 0;
  }

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

  .swatch-grid {
    grid-template-columns: 1fr 1fr;
  }

  .preview-section {
    padding-top: 64px;
    padding-bottom: 64px;
  }
}