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

.tabs,
[role="tablist"] {
  display: flex;
  max-width: 100%;
  flex-wrap: wrap;
  gap: 6px;
}

.tab-button,
[role="tab"] {
  display: inline-flex;
  min-width: 44px;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  color: var(--color-muted);
  background: var(--color-panel);
  font-weight: 700;
}

.tab-button:hover,
[role="tab"]:hover {
  color: var(--color-text);
  border-color: var(--accent-40);
}

.tab-button.is-active,
[role="tab"][aria-selected="true"] {
  color: var(--color-white);
  border-color: var(--color-accent);
  background: var(--color-accent);
  box-shadow: inset 0 1px 0 var(--lime-50);
}

.tab-panel {
  margin-top: 24px;
}

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

.toc-tabs {
  position: sticky;
  z-index: 20;
  top: 10px;
  display: flex;
  max-width: 100%;
  overflow-x: auto;
  gap: 6px;
  margin-bottom: 40px;
  padding: 8px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
  box-shadow: var(--shadow-soft);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.toc-tabs a {
  display: inline-flex;
  min-width: max-content;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  padding-inline: 14px;
  border-radius: var(--radius-sm);
  color: var(--color-muted);
  font-size: 14px;
  font-weight: 700;
}

.toc-tabs a:hover,
.toc-tabs a.is-current,
.toc-tabs a[aria-current="location"] {
  color: var(--color-accent);
  background: var(--accent-08);
}

body:has(.toc-tabs) section[id] {
  scroll-margin-top: var(--toc-offset);
}

.faq-list {
  display: grid;
  gap: 10px;
}

.faq-item {
  overflow: clip;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: 0 1px 2px var(--ink-05);
}

.faq-item summary {
  position: relative;
  display: flex;
  min-height: 58px;
  align-items: center;
  padding: 15px 52px 15px 18px;
  font-weight: 750;
  list-style: none;
}

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

.faq-item summary::after {
  position: absolute;
  top: 50%;
  right: 18px;
  display: grid;
  width: 26px;
  height: 26px;
  place-items: center;
  border-radius: 50%;
  color: var(--color-accent);
  background: var(--accent-08);
  content: "+";
  font-family: var(--font-mono);
  transform: translateY(-50%);
  transition: transform var(--motion-fast);
}

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

.faq-answer {
  padding: 0 18px 18px;
  color: var(--color-muted);
}

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

.plan-card {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
  box-shadow: var(--shadow-soft);
}

.plan-card.is-featured {
  border-color: var(--accent-40);
  background: linear-gradient(180deg, var(--accent-06), var(--color-panel) 32%);
  box-shadow: var(--shadow-panel);
}

.plan-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  padding-inline: 10px;
  border-radius: var(--radius-pill);
  color: var(--color-white);
  background: var(--color-accent);
  font-size: 12px;
  font-weight: 800;
}

.plan-name {
  padding-right: 64px;
  font-size: 21px;
  font-weight: 800;
}

.plan-cycle {
  margin-top: 6px;
  color: var(--color-muted);
  font-size: 13px;
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: 5px;
  margin-top: 24px;
  font-family: var(--font-mono);
  font-size: 38px;
  font-weight: 800;
  line-height: 1;
}

.plan-price small {
  color: var(--color-muted);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
}

.plan-features {
  display: grid;
  gap: 10px;
  margin: 24px 0;
  padding: 20px 0;
  border-top: 1px dashed var(--color-border);
  border-bottom: 1px dashed var(--color-border);
  list-style: none;
}

.plan-features li {
  position: relative;
  padding-left: 22px;
  color: var(--color-muted);
  font-size: 14px;
}

.plan-features li::before {
  position: absolute;
  top: .18em;
  left: 0;
  color: var(--color-accent);
  content: "✓";
  font-weight: 800;
}

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

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

.data-table,
.route-table,
.compare-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 14px;
}

.data-table th,
.data-table td,
.route-table th,
.route-table td,
.compare-table th,
.compare-table td {
  padding: 14px 16px;
  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-soft);
  font-size: 13px;
  font-weight: 800;
}

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

.data-table tbody tr:last-child td,
.route-table tbody tr:last-child td,
.compare-table tbody tr:last-child td {
  border-bottom: 0;
}

.route-group td {
  color: var(--color-accent);
  background: var(--accent-06);
  font-weight: 800;
}

.route-kind {
  display: inline-flex;
  min-height: 27px;
  align-items: center;
  padding-inline: 9px;
  border-radius: var(--radius-pill);
  color: var(--color-accent);
  background: var(--accent-08);
  font-size: 12px;
  font-weight: 750;
}

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

.platform-card {
  display: flex;
  min-width: 0;
  min-height: 226px;
  flex-direction: column;
  align-items: center;
  padding: 24px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-soft);
  text-align: center;
}

.platform-icon {
  display: grid;
  width: 58px;
  height: 58px;
  flex-shrink: 0;
  place-items: center;
  border-radius: var(--radius-md);
  color: var(--color-text);
  background: var(--color-panel-soft);
}

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

.platform-icon .platform-word {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 800;
}

.platform-card h3 {
  margin-top: 18px;
  font-size: 17px;
}

.platform-card p {
  margin: 6px 0 18px;
  color: var(--color-muted);
  font-size: 13px;
}

.platform-card .btn {
  width: 100%;
  margin-top: auto;
}

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

.article-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  overflow: clip;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
  box-shadow: var(--shadow-soft);
}

.article-card__chrome {
  display: flex;
  height: 36px;
  align-items: center;
  justify-content: space-between;
  padding-inline: 13px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-muted);
  background:
    radial-gradient(circle at 15px 50%, var(--color-dot-gray) 0 4px, transparent 4.5px),
    radial-gradient(circle at 28px 50%, var(--color-dot-beige) 0 4px, transparent 4.5px),
    radial-gradient(circle at 41px 50%, var(--color-accent) 0 4px, transparent 4.5px),
    var(--color-panel-soft);
  font-family: var(--font-mono);
  font-size: 11px;
}

.article-card__chrome span {
  margin-left: auto;
}

.article-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 22px;
}

.article-card__meta {
  color: var(--color-accent);
  font-size: 12px;
  font-weight: 800;
}

.article-card h3 {
  margin-top: 11px;
  font-size: 20px;
}

.article-card p {
  margin-top: 11px;
  color: var(--color-muted);
  font-size: 14px;
}

.article-card__link {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  margin-top: auto;
  padding-top: 20px;
  color: var(--color-accent);
  font-weight: 750;
}

.callout {
  position: relative;
  overflow: clip;
  padding: 22px 24px 22px 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-muted);
  background: var(--accent-06);
}

.callout::before {
  position: absolute;
  top: 14px;
  bottom: 14px;
  left: 0;
  width: 4px;
  border-radius: 0 var(--radius-xs) var(--radius-xs) 0;
  background: var(--color-accent);
  content: "";
}

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

.promo-block {
  display: grid;
  min-width: 0;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  margin-top: 56px;
  padding: 32px;
  border: 1px solid var(--accent-20);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(65% 140% at 100% 0%, var(--accent-10), transparent 70%),
    var(--color-panel);
  box-shadow: var(--shadow-panel);
}

.promo-block h2,
.promo-block h3 {
  font-size: 28px;
}

.promo-block p {
  margin-top: 8px;
  color: var(--color-muted);
}

.float-cta {
  position: fixed;
  z-index: 70;
  right: 28px;
  bottom: calc(28px + env(safe-area-inset-bottom, 0px));
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 9px 18px 9px 14px;
  border-radius: var(--radius-pill);
  color: var(--color-white);
  background: var(--color-accent);
  box-shadow: var(--shadow-pill), inset 0 1px 0 var(--lime-50);
  font-size: 14px;
  font-weight: 750;
}

.float-cta:hover {
  background: var(--color-accent-dark);
}

.float-cta svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

body:has(.float-cta)::after {
  display: block;
  height: calc(88px + env(safe-area-inset-bottom, 0px));
  content: "";
}

.prose {
  min-width: 0;
}

.prose > * + * {
  margin-top: 20px;
}

.prose h2 {
  margin-top: 64px;
}

.prose h3 {
  margin-top: 38px;
}

.prose p,
.prose li {
  color: var(--color-muted);
}

.prose a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-color: var(--accent-40);
  text-underline-offset: 3px;
}

.prose a.btn.btn-primary {
  color: var(--color-white);
  text-decoration: none;
}

.prose .promo-block a.btn-primary {
  color: var(--color-white);
}

.prose ul,
.prose ol {
  display: grid;
  gap: 8px;
  padding-left: 24px;
}

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

/* Feature browser */
.feature-browser {
  display: grid;
  grid-template-columns: 310px minmax(0, 1fr);
  gap: 24px;
}

.feature-index {
  display: grid;
  align-content: start;
  gap: 6px;
}

.feature-index button {
  position: relative;
  display: grid;
  min-height: 66px;
  grid-template-columns: 42px minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  color: var(--color-muted);
  background: transparent;
  text-align: left;
}

.feature-index button::before {
  position: absolute;
  top: 12px;
  bottom: 12px;
  left: 0;
  width: 3px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  content: "";
  opacity: 0;
}

.feature-index button[aria-selected="true"] {
  color: var(--color-text);
  background: var(--accent-06);
}

.feature-index button[aria-selected="true"]::before {
  opacity: 1;
}

.feature-index__icon {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: var(--radius-sm);
  color: var(--color-accent);
  background: var(--color-panel-soft);
}

.feature-detail {
  min-width: 0;
  padding: 34px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
  box-shadow: var(--shadow-panel);
}

.feature-detail p {
  margin-top: 14px;
  color: var(--color-muted);
}

.feature-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

/* Preview-only layout, backed by shared tokens */
.preview-page {
  overflow-x: clip;
}

.preview-header {
  border-bottom: 1px solid var(--color-border);
}

.preview-header .site-topbar {
  border-bottom: 0;
}

.preview-section {
  padding-top: 88px;
  padding-bottom: 88px;
}

.preview-section--soft {
  background: var(--color-panel-soft);
}

.preview-title {
  max-width: 760px;
  margin-bottom: 38px;
}

.preview-title p {
  margin-top: 12px;
  color: var(--color-muted);
}

.token-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.token-card {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
}

.token-swatch {
  height: 88px;
}

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

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

.token-swatch--panel2 {
  background: var(--color-panel-soft);
}

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

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

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

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

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

.token-meta {
  padding: 13px;
}

.token-meta b,
.token-meta code {
  display: block;
}

.token-meta code {
  margin-top: 3px;
  color: var(--color-muted);
  font-size: 12px;
}

.type-stack {
  display: grid;
  gap: 30px;
}

.type-sample {
  padding-bottom: 28px;
  border-bottom: 1px solid var(--color-border);
}

.type-label {
  margin-bottom: 8px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 12px;
}

.type-display {
  font-family: var(--font-display);
  font-size: clamp(42px, 6vw, 66px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.02em;
}

.type-heading {
  font-size: 38px;
  font-weight: 800;
}

.type-body {
  max-width: 700px;
  color: var(--color-muted);
  font-size: 18px;
}

.type-mono {
  font-family: var(--font-mono);
  font-size: 15px;
}

.button-row,
.badge-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.component-stack {
  display: grid;
  gap: 52px;
}

.component-label {
  margin-bottom: 18px;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}

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

.preview-static-nav {
  display: flex;
  height: var(--header-height);
  align-items: stretch;
  gap: 1px;
}

.preview-static-nav a {
  position: relative;
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding-inline: 10px;
  color: var(--color-muted);
  font-size: 14px;
  font-weight: 600;
}

.preview-static-nav a.is-active {
  color: var(--color-text);
}

.preview-static-nav a.is-active::after {
  position: absolute;
  right: 10px;
  bottom: 0;
  left: 10px;
  height: 2px;
  border-radius: 2px;
  background: var(--color-accent);
  content: "";
}

@media (max-width: 1020px) {
  .platform-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

  .preview-static-nav {
    display: none;
  }
}

@media (max-width: 768px) {
  .pricing-grid,
  .article-grid {
    grid-template-columns: 1fr;
  }

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

  .feature-browser {
    display: block;
  }

  .feature-index {
    display: none;
  }

  .feature-detail {
    padding: 24px;
  }

  .promo-block {
    grid-template-columns: 1fr;
  }

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

  .toc-tabs {
    top: 6px;
    flex-wrap: nowrap;
  }
}

@media (max-width: 640px) {
  .platform-grid,
  .token-grid {
    grid-template-columns: 1fr;
  }

  .platform-card {
    min-height: 200px;
  }

  .float-cta {
    right: 16px;
    bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  }

  .promo-block {
    padding: 24px 20px;
  }

  .preview-section {
    padding-top: 68px;
    padding-bottom: 68px;
  }

  .tabs,
  [role="tablist"] {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
  }

  .tab-button,
  [role="tab"] {
    min-width: max-content;
  }
}