.tab-shell {
  display: grid;
  gap: 20px;
}
[role="tablist"],
.tab-list {
  display: flex;
  max-width: 100%;
  gap: 6px;
  overflow-x: auto;
  padding: 5px;
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  scrollbar-width: thin;
}
[role="tab"] {
  min-width: max-content;
  min-height: 44px;
  padding: 9px 16px;
  color: var(--color-text-muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-xs);
  font-weight: 700;
}
[role="tab"][aria-selected="true"],
[role="tab"].is-active {
  color: var(--color-accent);
  background: var(--color-panel-raised);
  border-color: var(--color-accent);
}
[role="tabpanel"][hidden] {
  display: none;
}
.toc-tabs {
  position: sticky;
  z-index: 30;
  top: 0;
  display: flex;
  max-width: 100%;
  gap: 4px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  margin-bottom: 34px;
  padding: 7px;
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-chip);
  scrollbar-width: thin;
}
.toc-tabs a {
  display: inline-flex;
  min-width: max-content;
  min-height: 40px;
  align-items: center;
  padding: 7px 12px;
  color: var(--color-text-muted);
  border-radius: var(--radius-xs);
  font-size: 13px;
  font-weight: 700;
}
.toc-tabs a:hover,
.toc-tabs a.is-reading,
.toc-tabs a[aria-current="location"] {
  color: var(--color-accent);
  background: var(--color-panel-raised);
}
.faq-list {
  display: grid;
  gap: 10px;
}
.faq-item {
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}
.faq-item summary {
  position: relative;
  min-height: 54px;
  padding: 15px 48px 15px 18px;
  color: var(--color-text);
  font-weight: 750;
  list-style: none;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  position: absolute;
  top: 50%;
  right: 18px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 20px;
  transform: translateY(-50%);
  content: "+";
}
.faq-item[open] summary::after {
  content: "−";
}
.faq-answer {
  padding: 0 18px 18px;
  color: var(--color-text-muted);
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.plan-card {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 25px;
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-panel);
}
.plan-card.is-featured {
  background: linear-gradient(180deg, var(--color-accent-08), var(--color-panel) 38%);
  border-color: var(--color-accent);
  box-shadow: inset 0 3px 0 var(--color-accent), var(--shadow-panel);
}
.plan-ribbon {
  position: absolute;
  top: 14px;
  right: 14px;
}
.plan-name {
  margin-bottom: 18px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 13px;
}
.plan-price {
  display: flex;
  align-items: baseline;
  gap: 5px;
  margin-bottom: 18px;
}
.price-value {
  min-width: 4.5ch;
  color: var(--color-text);
  font-size: 36px;
  font-weight: 800;
}
.price-unit {
  color: var(--color-text-muted);
}
.plan-features {
  display: grid;
  gap: 9px;
  margin: 0 0 25px;
  color: var(--color-text-muted);
  list-style: none;
}
.plan-features li {
  position: relative;
  padding-left: 20px;
}
.plan-features li::before {
  position: absolute;
  left: 0;
  color: var(--color-accent);
  content: "✓";
}
.plan-card .button,
.plan-card .btn-primary,
.plan-card .btn-secondary {
  width: 100%;
  margin-top: auto;
}
.table-scroll {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  -webkit-overflow-scrolling: touch;
}
.data-table,
.route-table,
.compare-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  background: var(--color-panel);
}
.data-table th,
.data-table td,
.route-table th,
.route-table td,
.compare-table th,
.compare-table td {
  padding: 13px 15px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: middle;
}
.data-table th,
.route-table th,
.compare-table th {
  color: var(--color-text);
  background: var(--color-panel-raised);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
}
.data-table td:first-child,
.route-table td:first-child,
.compare-table td:first-child {
  color: var(--color-text);
  font-weight: 700;
}
.data-table tr:last-child td,
.route-table tr:last-child td,
.compare-table tr:last-child td {
  border-bottom: 0;
}
.route-group-row th {
  color: var(--color-accent);
  background: var(--color-accent-08);
}
.prose > .data-table {
  display: block;
  width: 100%;
  min-width: 0;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.platform-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}
.platform-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: flex-start;
  gap: 13px;
  padding: 19px;
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-chip);
}
.platform-icon {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: var(--color-accent);
  background: var(--color-panel-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}
.platform-icon svg {
  width: 21px;
  height: 21px;
}
.platform-name {
  font-weight: 800;
}
.platform-card .button,
.platform-card .btn-secondary {
  width: 100%;
  margin-top: auto;
  padding-inline: 10px;
  font-size: 13px;
}
.article-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.article-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 22px;
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-chip);
}
.article-card:hover {
  border-color: var(--color-accent);
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin-bottom: 13px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}
.article-card h3 {
  font-size: 20px;
}
.article-card p {
  color: var(--color-text-muted);
}
.article-link {
  margin-top: auto;
  color: var(--color-accent);
  font-weight: 750;
}
.callout {
  position: relative;
  margin: 24px 0;
  padding: 18px 20px 18px 24px;
  color: var(--color-text-muted);
  background: var(--color-accent-04);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-sm);
}
.callout strong {
  color: var(--color-text);
}
.promo-block {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 24px;
  margin-top: 52px;
  padding: 28px;
  overflow-x: clip;
  background: linear-gradient(115deg, var(--color-panel-raised), var(--color-panel));
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-panel);
}
.promo-brand {
  margin-bottom: 6px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}
.promo-block h2 {
  margin-bottom: 7px;
  font-size: 27px;
}
.promo-block p {
  margin: 0;
  color: var(--color-text-muted);
}
.float-cta {
  position: fixed;
  z-index: 150;
  right: 28px;
  bottom: calc(28px + env(safe-area-inset-bottom, 0px));
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  color: var(--color-bg);
  background: var(--color-accent);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-md);
  box-shadow: 0 14px 34px -12px var(--color-accent-30), 0 6px 18px -8px var(--color-shadow);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 850;
  transition: background var(--transition-fast), transform var(--transition-fast);
}
.float-cta:hover {
  background: var(--color-accent-dark);
  transform: translateY(-2px);
}
.float-cta svg {
  width: 18px;
  height: 18px;
}
body:has(.float-cta)::after {
  display: block;
  height: calc(88px + env(safe-area-inset-bottom, 0px));
  content: "";
}
.feature-browser {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  min-height: 430px;
  overflow: hidden;
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-panel);
}
.feature-tabs {
  display: flex;
  flex-direction: column;
  padding: 12px;
  background: color-mix(in srgb, var(--color-panel-raised) 34%, var(--color-panel));
  border-right: 1px solid var(--color-border);
}
.feature-tabs [role="tab"] {
  position: relative;
  width: 100%;
  justify-content: flex-start;
  border: 0;
  border-radius: var(--radius-xs);
  text-align: left;
}
.feature-tabs [role="tab"][aria-selected="true"] {
  box-shadow: inset 3px 0 0 var(--color-accent);
}
.feature-index {
  margin-right: 10px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
}
.feature-detail {
  padding: 34px;
}
.feature-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}
.hero-preview {
  position: relative;
  display: flex;
  min-height: calc(100svh - var(--header-height));
  align-items: center;
  overflow-x: clip;
}
.hero-preview::before {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(color-mix(in srgb, var(--color-text-muted) 13%, transparent) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
  content: "";
  mask-image: linear-gradient(to bottom, var(--color-shadow-heavy), transparent);
}
.hero-layout {
  position: relative;
  display: grid;
  width: 100%;
  grid-template-columns: 45fr 55fr;
  align-items: center;
  gap: 56px;
  padding-top: 44px;
  padding-bottom: 44px;
}
.hero-copy {
  position: relative;
  z-index: 3;
}
.hero-copy h1 {
  font-size: clamp(52px, 4.7vw, 60px);
}
.hero-lead {
  max-width: 47ch;
  color: var(--color-text-muted);
  font-size: 16px;
}
.hero-lead strong {
  color: var(--color-text);
  font-family: var(--font-mono);
}
.cta-row,
.trust-row,
.platform-row,
.flag-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}
.cta-row {
  gap: 14px;
  margin-bottom: 20px;
}
.trust-row {
  gap: 8px 20px;
  margin: 0 0 24px;
  color: var(--color-text-muted);
  list-style: none;
}
.trust-row li {
  position: relative;
  padding-left: 17px;
  font-size: 13px;
}
.trust-row li::before {
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 800;
  content: "✓";
}
.platform-row {
  gap: 13px 18px;
  padding-top: 17px;
  border-top: 1px solid var(--color-border-soft);
}
.platform-mark,
.flag-mark {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  gap: 7px;
  color: var(--color-text-muted);
  font-size: 12px;
}
.platform-mark svg {
  width: 16px;
  height: 16px;
}
.flag-mark svg,
.route-flag svg {
  width: 22px;
  height: 15px;
  overflow: hidden;
  border-radius: 2px;
  box-shadow: 0 0 0 1px var(--color-border);
}
.hero-visual {
  position: relative;
  z-index: 2;
}
.hero-visual::before {
  position: absolute;
  z-index: -1;
  top: -120px;
  right: -120px;
  width: 620px;
  height: 500px;
  background: radial-gradient(closest-side, var(--color-accent-12), transparent 72%);
  content: "";
}
.route-console {
  overflow: hidden;
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-panel);
  transform: perspective(1600px) rotateY(-2deg) rotateX(.6deg);
}
.console-bar {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 11px 16px;
  background: color-mix(in srgb, var(--color-panel-raised) 55%, var(--color-panel));
  border-bottom: 1px solid var(--color-border);
}
.window-dots {
  display: flex;
  gap: 6px;
}
.window-dots i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.window-dots i:nth-child(1) {
  background: var(--color-error);
}
.window-dots i:nth-child(2) {
  background: var(--color-warning);
}
.window-dots i:nth-child(3) {
  background: var(--color-success);
}
.console-title {
  flex: 1;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}
.console-title strong {
  color: var(--color-text);
}
.console-body {
  display: grid;
  grid-template-columns: 176px minmax(0, 1fr);
}
.console-filters {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 16px 14px;
  background: color-mix(in srgb, var(--color-panel-raised) 25%, var(--color-panel));
  border-right: 1px solid var(--color-border);
}
.filter-label,
.routes-heading {
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.filter-label {
  margin-bottom: 7px;
}
.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.filter-chip {
  padding: 4px 9px;
  color: var(--color-text-muted);
  background: var(--color-panel-raised);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 11px;
}
.filter-chip.is-current {
  color: var(--color-accent);
  background: var(--color-accent-08);
  border-color: var(--color-accent);
}
.routes-heading {
  display: flex;
  justify-content: space-between;
  padding: 12px 15px 8px;
  border-bottom: 1px solid var(--color-border-soft);
}
.route-line {
  display: grid;
  grid-template-columns: 7px 22px minmax(90px, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 12px 15px;
  border-bottom: 1px solid var(--color-border-soft);
}
.route-line.is-current {
  background: linear-gradient(90deg, var(--color-accent-12), var(--color-accent-04), transparent);
  box-shadow: inset 3px 0 0 var(--color-accent);
}
.route-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--color-success) 55%, var(--color-panel));
}
.route-line.is-current .route-dot {
  background: var(--color-accent);
  animation: route-breath 2.2s ease-in-out infinite;
}
.route-name {
  display: flex;
  min-width: 0;
  align-items: baseline;
  gap: 8px;
  font-weight: 700;
}
.route-line.is-current .route-name {
  color: var(--color-accent);
}
.route-code {
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 400;
}
.route-type {
  padding: 2px 7px;
  color: var(--color-text-muted);
  background: var(--color-panel-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  font-size: 10px;
}
.console-foot {
  padding: 9px 15px;
  color: var(--color-text-muted);
  background: color-mix(in srgb, var(--color-panel-raised) 35%, var(--color-panel));
  border-top: 1px solid var(--color-border);
  font-family: var(--font-mono);
  font-size: 10px;
}
.flag-row {
  gap: 9px 16px;
  margin-top: 16px;
}
@keyframes route-breath {
  50% {
    opacity: .55;
    transform: scale(1.42);
  }
}
.preview-main {
  overflow-x: clip;
}
.preview-section {
  padding-top: 76px;
  padding-bottom: 76px;
  border-top: 1px solid var(--color-border);
}
.preview-title {
  max-width: 720px;
  margin-bottom: 32px;
}
.swatch-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}
.swatch {
  overflow: hidden;
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}
.swatch-color {
  height: 86px;
  border-bottom: 1px solid var(--color-border);
}
.swatch-color.bg {
  background: var(--color-bg);
}
.swatch-color.panel {
  background: var(--color-panel);
}
.swatch-color.raised {
  background: var(--color-panel-raised);
}
.swatch-color.border {
  background: var(--color-border);
}
.swatch-color.accent {
  background: var(--color-accent);
}
.swatch-color.accent-dark {
  background: var(--color-accent-dark);
}
.swatch-color.text {
  background: var(--color-text);
}
.swatch-color.muted {
  background: var(--color-text-muted);
}
.swatch-color.success {
  background: var(--color-success);
}
.swatch-color.warning {
  background: var(--color-warning);
}
.swatch-meta {
  padding: 11px;
  font-family: var(--font-mono);
  font-size: 11px;
}
.type-specimen {
  display: grid;
  gap: 18px;
}
.type-display {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 68px);
  font-weight: 900;
  line-height: 1.08;
}
.type-body {
  max-width: 700px;
  color: var(--color-text-muted);
  font-size: 18px;
}
.type-mono {
  color: var(--color-accent);
  font-family: var(--font-mono);
}
.button-showcase,
.badge-showcase {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.preview-split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.preview-footer {
  margin-top: 0;
}
@media (max-width: 1100px) {
  .hero-layout {
    grid-template-columns: 1fr;
  }
  .route-console {
    transform: none;
  }
  .platform-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .swatch-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
@media (max-width: 768px) {
  .plan-ribbon {
    position: static;
    align-self: flex-end;
    margin-bottom: 8px;
  }
  .pricing-grid,
  .article-grid,
  .preview-split {
    grid-template-columns: 1fr;
  }
  .platform-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .feature-browser {
    display: block;
    min-height: 0;
  }
  .feature-tabs {
    border-right: 0;
    border-bottom: 1px solid var(--color-border);
  }
  .feature-tabs [role="tab"] {
    min-height: 44px;
  }
  .console-body {
    grid-template-columns: 1fr;
  }
  .console-filters {
    border-right: 0;
    border-bottom: 1px solid var(--color-border);
  }
  .promo-block {
    grid-template-columns: 1fr;
  }
  .hero-preview {
    min-height: auto;
  }
  .swatch-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .route-console {
    transform: none;
  }
}
@media (max-width: 640px) {
  .platform-grid {
    grid-template-columns: 1fr;
  }
  .route-line {
    grid-template-columns: 7px 22px minmax(0, 1fr);
  }
  .route-type {
    grid-column: 3;
    width: max-content;
  }
  .float-cta {
    right: 16px;
    bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  }
  .swatch-color {
    height: 62px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .route-line.is-current .route-dot {
    animation: none;
  }
}