.tab-shell {
  display: grid;
  grid-template-columns: minmax(190px, .34fr) minmax(0, 1fr);
  gap: 18px;
}

.tab-list {
  display: grid;
  align-content: start;
  gap: 8px;
}

.tab-button {
  display: flex;
  width: 100%;
  min-height: 54px;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border: 1px solid transparent;
  border-radius: var(--radius-medium);
  background: transparent;
  color: var(--color-text-muted);
  font-weight: 700;
  text-align: left;
}

.tab-button::before {
  width: 7px;
  height: 7px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--color-border);
  content: "";
}

.tab-button:hover,
.tab-button.is-active,
.tab-button[aria-selected="true"] {
  border-color: var(--color-border);
  background: var(--color-panel);
  color: var(--color-text);
  box-shadow: var(--shadow-soft);
}

.tab-button.is-active::before,
.tab-button[aria-selected="true"]::before {
  background: var(--color-success);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-success) 16%, transparent);
}

.tab-panel {
  min-height: 280px;
  padding: clamp(25px, 5vw, 52px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
}

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

.toc-tabs {
  position: sticky;
  top: 12px;
  z-index: 35;
  display: flex;
  max-width: 100%;
  gap: 8px;
  margin-bottom: 38px;
  overflow-x: auto;
  padding: 8px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-panel);
  box-shadow: var(--shadow-soft);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.toc-tabs a {
  display: inline-flex;
  min-height: 38px;
  flex: 0 0 auto;
  align-items: center;
  padding: 8px 13px;
  border-radius: var(--radius-small);
  color: var(--color-text-muted);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

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

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

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

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-panel);
}

.faq-item summary {
  position: relative;
  min-height: 56px;
  padding: 16px 48px 16px 18px;
  list-style: none;
  font-weight: 800;
}

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

.faq-item summary::after {
  position: absolute;
  top: 50%;
  right: 19px;
  color: var(--color-accent-dark);
  content: "+";
  font-family: var(--font-mono);
  font-size: 20px;
  transform: translateY(-50%);
}

.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: 18px;
  align-items: stretch;
}

.plan-card {
  position: relative;
  display: flex;
  min-height: 100%;
  flex-direction: column;
  padding: 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
}

.plan-card.is-featured {
  border-color: var(--color-accent);
  box-shadow: 0 18px 46px -30px color-mix(in srgb, var(--color-accent) 64%, transparent);
}

.plan-badge {
  position: absolute;
  top: 14px;
  right: 14px;
}

.plan-name {
  margin-bottom: 6px;
  font-weight: 850;
}

.plan-price {
  margin: 18px 0;
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 900;
  line-height: 1;
}

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

.plan-features {
  display: grid;
  gap: 9px;
  margin-bottom: 24px;
  padding: 0;
  color: var(--color-text-muted);
  list-style: none;
}

.plan-features li::before {
  margin-right: 8px;
  color: var(--color-success);
  content: "✓";
  font-weight: 900;
}

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

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

.data-table,
.location-table,
.compare-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  color: var(--color-text);
  font-size: 14px;
}

.data-table th,
.data-table td,
.location-table th,
.location-table td,
.compare-table th,
.compare-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}

.data-table th,
.location-table th,
.compare-table th {
  background: var(--color-panel-muted);
  color: var(--color-text);
  font-weight: 850;
}

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

.location-group {
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-weight: 800;
}

.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: 14px;
}

.platform-card {
  display: flex;
  min-height: 190px;
  flex-direction: column;
  align-items: flex-start;
  padding: 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
}

.platform-icon {
  display: inline-flex;
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  border-radius: var(--radius-medium);
  background: var(--color-panel-muted);
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-weight: 900;
}

.platform-icon svg {
  width: 23px;
  height: 23px;
}

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

.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-height: 260px;
  flex-direction: column;
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
}

.article-card h3 {
  margin-top: 18px;
  font-size: 21px;
}

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

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: auto;
  padding-top: 18px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.callout {
  margin-block: 24px;
  padding: 18px 20px;
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-medium) var(--radius-medium) 0;
  background: var(--color-accent-soft);
  color: var(--color-text);
}

.promo-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  margin-top: 52px;
  padding: clamp(26px, 5vw, 48px);
  border-radius: var(--radius-large);
  background: var(--color-text);
  color: var(--color-panel);
  box-shadow: var(--shadow-device);
}

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

.promo-block p {
  color: color-mix(in srgb, var(--color-panel) 72%, var(--color-text));
}

.hero-preview {
  position: relative;
  padding-top: 34px;
  padding-bottom: 34px;
  overflow-x: clip;
}

.hero-preview-grid {
  display: grid;
  grid-template-columns: minmax(0, 600px) minmax(460px, 1fr);
  gap: 56px;
  align-items: center;
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 20px;
}

.hero-lede {
  max-width: 560px;
  margin-bottom: 20px;
  color: var(--color-text-muted);
  font-size: 16.5px;
}

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

.trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 0 0 26px;
  padding: 0;
  color: var(--color-text-muted);
  font-size: 13px;
  list-style: none;
}

.trust-list li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.trust-list li::before {
  color: var(--color-success);
  content: "✓";
  font-weight: 900;
}

.hero-meta {
  display: grid;
  gap: 12px;
  padding-top: 17px;
  border-top: 1px solid var(--color-border);
}

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

.hero-meta-label {
  width: 92px;
  flex: none;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .07em;
}

.platform-line,
.flag-line {
  display: flex;
  flex-wrap: wrap;
  gap: 13px 17px;
}

.platform-chip,
.flag-chip {
  display: inline-flex;
  min-height: 24px;
  align-items: center;
  gap: 6px;
  color: var(--color-text-muted);
  font-size: 12px;
  font-weight: 650;
}

.platform-chip svg {
  width: 16px;
  height: 16px;
}

.flag-chip svg,
.device-row svg {
  width: 22px;
  height: 16px;
  overflow: hidden;
  border-radius: 3px;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  padding: 22px 0;
}

.hero-visual::before {
  position: absolute;
  inset: -8% -6%;
  background: radial-gradient(closest-side, var(--color-accent-soft), transparent 72%);
  content: "";
}

.client-window {
  position: relative;
  z-index: 1;
  width: 544px;
  max-width: 100%;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-panel);
  box-shadow: var(--shadow-device);
  transform: rotate(-1.5deg);
}

.window-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-panel-muted);
}

.window-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

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

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

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

.window-title {
  margin-left: 10px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

.window-body {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
}

.device-list {
  padding-top: 14px;
  border-right: 1px solid var(--color-border);
}

.device-list-head {
  display: flex;
  justify-content: space-between;
  padding: 0 18px 8px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .08em;
}

.device-row {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 11px 18px;
  border-top: 1px solid color-mix(in srgb, var(--color-border) 55%, var(--color-panel));
}

.device-row.is-selected {
  background: var(--color-accent-soft);
  box-shadow: inset 3px 0 0 var(--color-accent);
}

.device-location {
  font-size: 13px;
  font-weight: 800;
}

.device-kind {
  padding: 2px 7px;
  border-radius: var(--radius-small);
  background: var(--color-panel-muted);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 9px;
}

.device-status {
  width: 8px;
  height: 8px;
  flex: none;
  margin-left: auto;
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-success) 16%, transparent);
}

.device-footer {
  padding: 10px 18px 12px;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.connection-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 26px 18px;
  text-align: center;
}

.connection-toggle {
  display: flex;
  width: 106px;
  height: 106px;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  border: 3px solid var(--color-accent);
  border-radius: 50%;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  box-shadow:
    0 0 0 8px color-mix(in srgb, var(--color-accent) 8%, transparent),
    0 10px 22px -10px color-mix(in srgb, var(--color-accent) 45%, transparent);
}

.connection-toggle svg {
  width: 36px;
  height: 36px;
}

.connection-state {
  color: var(--color-accent-dark);
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 900;
}

.connection-sub {
  margin-bottom: 14px;
  color: var(--color-text-muted);
  font-size: 12px;
}

.connection-pills {
  display: grid;
  justify-items: center;
  gap: 8px;
}

.preview-section {
  padding-top: 78px;
  padding-bottom: 78px;
  border-top: 1px solid var(--color-border);
  overflow-x: clip;
}

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

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

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

.swatch-color {
  height: 92px;
}

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

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

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

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

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

.swatch-info {
  padding: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
}

.type-stack {
  display: grid;
  gap: 24px;
}

.type-display {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 68px);
  font-weight: 900;
  line-height: 1.1;
}

.type-body {
  max-width: 680px;
  color: var(--color-text-muted);
  font-size: 17px;
}

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

.preview-footer {
  margin-top: 60px;
}

@media (max-width: 1120px) {
  .hero-preview-grid {
    grid-template-columns: 1fr;
  }

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

  .client-window {
    transform: none;
  }
}

@media (max-width: 840px) {
  .pricing-grid,
  .article-grid {
    grid-template-columns: 1fr;
  }

  .tab-shell {
    grid-template-columns: 1fr;
  }

  .tab-list {
    display: flex;
    overflow-x: auto;
    padding-bottom: 5px;
    -webkit-overflow-scrolling: touch;
  }

  .tab-button {
    width: auto;
    min-width: max-content;
  }

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

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

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

@media (max-width: 640px) {
  .plan-badge {
    display: none;
  }

  .hero-preview {
    padding-top: 30px;
  }

  .hero-preview-grid {
    gap: 28px;
  }

  .hero-meta-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 7px;
  }

  .hero-meta-label {
    width: auto;
  }

  .window-body {
    grid-template-columns: 1fr;
  }

  .device-list {
    border-right: 0;
    border-bottom: 1px solid var(--color-border);
  }

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

  .platform-card {
    min-height: 160px;
  }

  .toc-tabs {
    top: 6px;
  }
}