.tabs-shell {
  max-width: 100%;
}

.tab-list {
  display: inline-flex;
  max-width: 100%;
  gap: 5px;
  padding: 5px;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  -webkit-overflow-scrolling: touch;
}

.tab-list [role="tab"] {
  min-width: 24px;
  min-height: 42px;
  flex: 0 0 auto;
  padding: 8px 18px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--color-text-muted);
  font-weight: 700;
}

.tab-list [role="tab"]:hover {
  color: var(--color-text);
}

.tab-list [role="tab"][aria-selected="true"],
.tab-list [role="tab"].is-active {
  border-color: var(--color-accent-dark);
  background: var(--color-panel-raised);
  color: var(--color-accent);
  box-shadow: 0 0 18px var(--color-accent-a12);
}

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

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

.toc-tabs {
  position: sticky;
  top: 12px;
  z-index: 20;
  display: flex;
  max-width: 100%;
  gap: 6px;
  margin-bottom: 42px;
  padding: 7px;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel-a96);
  box-shadow: 0 14px 34px var(--color-shadow);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.toc-tabs.toc-static {
  position: static;
}

.toc-tabs a {
  display: inline-flex;
  min-height: 38px;
  flex: 0 0 auto;
  align-items: center;
  padding: 7px 15px;
  border-radius: var(--radius-pill);
  color: var(--color-text-muted);
  font-size: 13px;
  font-weight: 650;
}

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

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

.faq-list {
  border-top: 1px solid var(--color-border);
}

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

.faq-item summary {
  position: relative;
  min-height: 60px;
  padding: 20px 48px 20px 4px;
  color: var(--color-text);
  font-weight: 750;
  cursor: pointer;
  list-style: none;
}

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

.faq-item summary::after {
  position: absolute;
  top: 20px;
  right: 10px;
  width: 24px;
  height: 24px;
  color: var(--color-accent);
  content: "+";
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 24px;
  text-align: center;
  transition: transform var(--transition-fast);
}

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

.faq-answer {
  max-width: var(--reading-width);
  padding: 0 48px 22px 4px;
  color: var(--color-text-muted);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

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

.plan-card.is-featured,
.plan-card[aria-current="true"] {
  border-color: var(--color-accent);
  background: var(--color-panel-raised);
  box-shadow: 0 0 0 1px var(--color-accent-a28), 0 24px 64px var(--color-shadow), 0 0 42px var(--color-accent-a12);
}

.plan-ribbon {
  position: absolute;
  top: 18px;
  right: 18px;
  max-width: calc(100% - 36px);
  padding: 5px 11px;
  overflow: hidden;
  border: 1px solid var(--color-accent-dark);
  border-radius: var(--radius-pill);
  background: var(--color-accent-a12);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 11px;
  white-space: nowrap;
}

.plan-card h3 {
  padding-right: 78px;
}

.plan-price {
  margin: 22px 0 4px;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(36px, 4vw, 50px);
  font-weight: 900;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.plan-cycle {
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

.plan-features {
  flex: 1;
  margin: 24px 0;
  padding: 0;
  color: var(--color-text-muted);
  list-style: none;
}

.plan-features li {
  position: relative;
  padding-left: 22px;
}

.plan-features li + li {
  margin-top: 10px;
}

.plan-features li::before {
  position: absolute;
  top: 0;
  left: 0;
  color: var(--color-success);
  content: "✓";
}

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

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

.data-table,
.node-table,
.compare-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  color: var(--color-text-muted);
  font-size: 14px;
}

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

.data-table th,
.node-table th,
.compare-table th {
  background: var(--color-panel-raised);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

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

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

.node-region-row th {
  color: var(--color-accent);
}

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

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

.platform-card {
  display: flex;
  min-width: 0;
  align-items: center;
  flex-direction: column;
  padding: 24px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-panel);
  text-align: center;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

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

.platform-icon {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  margin-bottom: 14px;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  background: var(--color-panel-raised);
  color: var(--color-accent);
}

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

.platform-card h3 {
  margin-bottom: 16px;
  font-size: 17px;
}

.platform-card .btn-subtle {
  width: 100%;
  padding-inline: 12px;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.article-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 26px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-panel);
  transition: transform var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

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

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin-bottom: 16px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.article-card h3 {
  font-size: 21px;
  line-height: 1.35;
}

.article-card p {
  flex: 1;
  color: var(--color-text-muted);
}

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

.callout {
  position: relative;
  margin: 28px 0;
  padding: 22px 24px 22px 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel-raised);
  color: var(--color-text-muted);
}

.callout::before {
  position: absolute;
  top: 18px;
  bottom: 18px;
  left: 0;
  width: 3px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  box-shadow: 0 0 12px var(--color-accent-a35);
  content: "";
}

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

.promo-block {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  margin-top: 64px;
  padding: 34px;
  overflow: hidden;
  border: 1px solid var(--color-accent-dark);
  border-radius: var(--radius-panel);
  background: var(--color-panel-raised);
  box-shadow: 0 0 48px var(--color-accent-a12);
}

.promo-block::after {
  position: absolute;
  right: -80px;
  bottom: -120px;
  width: 280px;
  height: 280px;
  border-radius: var(--radius-pill);
  background: radial-gradient(circle, var(--color-accent-a16), transparent 68%);
  content: "";
  pointer-events: none;
}

.promo-copy,
.promo-action {
  position: relative;
  z-index: 1;
}

.promo-brand {
  margin-bottom: 8px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
}

.promo-block h2 {
  margin-bottom: 8px;
  font-size: clamp(26px, 3.4vw, 40px);
}

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

.feature-browser {
  display: grid;
  grid-template-columns: minmax(220px, 300px) minmax(0, 1fr);
  gap: 20px;
}

.feature-tabs {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.feature-tab {
  display: flex;
  width: 100%;
  min-height: 58px;
  align-items: center;
  gap: 13px;
  padding: 10px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-text-muted);
  text-align: left;
}

.feature-tab::before {
  width: 22px;
  height: 25px;
  flex: 0 0 22px;
  background: var(--color-border);
  content: "";
  clip-path: polygon(25% 0, 75% 0, 100% 50%, 75% 100%, 25% 100%, 0 50%);
}

.feature-tab[aria-selected="true"] {
  border-color: var(--color-accent);
  color: var(--color-text);
  box-shadow: 0 0 22px var(--color-accent-a12);
}

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

.feature-detail {
  min-height: 100%;
  padding: 36px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-panel);
}

.feature-detail p {
  color: var(--color-text-muted);
}

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

.preview-section {
  padding-top: 88px;
  padding-bottom: 88px;
  border-top: 1px solid var(--color-border);
}

.preview-section-head {
  max-width: 720px;
  margin-bottom: 36px;
}

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

.preview-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

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

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

.preview-swatch {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
}

.preview-swatch-color {
  height: 88px;
}

.preview-swatch-label {
  padding: 12px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

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

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

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

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

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

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

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

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

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

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

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

.preview-type-stack {
  display: grid;
  gap: 22px;
}

.preview-display {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(42px, 6vw, 68px);
  font-weight: 900;
  line-height: 1.1;
}

.preview-title {
  margin: 0;
  font-size: 36px;
}

.preview-body {
  max-width: 680px;
  margin: 0;
  color: var(--color-text-muted);
}

.preview-mono {
  margin: 0;
  color: var(--color-accent);
  font-family: var(--font-mono);
}

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

.preview-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-panel);
}

@media (max-width: 980px) {
  .pricing-grid,
  .article-grid,
  .preview-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (max-width: 768px) {
  .feature-browser {
    display: block;
  }

  .feature-tabs {
    gap: 0;
  }

  .feature-tab {
    margin-top: 10px;
  }

  .feature-detail {
    margin-top: 10px;
    padding: 24px;
  }

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

  .promo-action .btn-primary {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .pricing-grid,
  .article-grid,
  .preview-grid,
  .preview-grid-two {
    grid-template-columns: minmax(0, 1fr);
  }

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

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

  .plan-card h3 {
    padding-right: 0;
  }

  .plan-ribbon {
    position: static;
    align-self: flex-start;
    margin-bottom: 14px;
  }

  .toc-tabs {
    top: 6px;
    border-radius: var(--radius-sm);
  }

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