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

.tab-list {
  display: inline-flex;
  max-width: 100%;
  padding: 5px;
  overflow-x: auto;
  align-items: center;
  gap: 4px;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  box-shadow: inset 0 1px 0 var(--color-white-soft);
  scrollbar-width: none;
  overscroll-behavior-inline: contain;
}

.tab-list::-webkit-scrollbar {
  display: none;
}

.tab-list [role="tab"] {
  min-height: 40px;
  padding: 0 18px;
  flex: 0 0 auto;
  border: 0;
  border-radius: var(--radius-pill);
  color: var(--color-text-muted);
  background: var(--color-transparent);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

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

.tab-list [role="tab"][aria-selected="true"],
.tab-list [role="tab"].active {
  color: var(--color-text-dark);
  background: var(--color-accent);
  box-shadow: 0 8px 20px var(--color-accent-glow);
}

[role="tabpanel"][hidden] {
  display: none;
}

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

.toc-tabs {
  position: sticky;
  top: 12px;
  z-index: 60;
  display: flex;
  width: min(100%, var(--content-width));
  max-width: calc(100vw - (var(--gutter) * 2));
  margin: 18px auto 36px;
  padding: 6px;
  overflow-x: auto;
  align-items: center;
  gap: 4px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  box-shadow: var(--shadow-panel);
  scrollbar-width: none;
  overscroll-behavior-inline: contain;
}

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

.toc-tabs a {
  display: inline-flex;
  min-height: 40px;
  padding: 0 15px;
  flex: 0 0 auto;
  align-items: center;
  border-radius: var(--radius-pill);
  color: var(--color-text-muted);
  font-size: 13px;
  font-weight: 650;
  white-space: nowrap;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.toc-tabs a:hover {
  color: var(--color-text);
  background: var(--color-white-soft);
}

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

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  overflow: hidden;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-medium);
  background: var(--color-panel);
  box-shadow: 0 10px 28px var(--color-shadow-soft);
}

.faq-item summary {
  position: relative;
  display: flex;
  min-height: 66px;
  padding: 18px 54px 18px 20px;
  align-items: center;
  cursor: pointer;
  color: var(--color-text);
  font-weight: 700;
  list-style: none;
}

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

.faq-item summary::after {
  position: absolute;
  top: 50%;
  right: 20px;
  display: grid;
  width: 28px;
  height: 28px;
  content: "+";
  place-items: center;
  border: 1px solid var(--color-border-soft);
  border-radius: 50%;
  color: var(--color-accent);
  background: var(--color-white-soft);
  font-family: var(--font-mono);
  transform: translateY(-50%);
  transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.faq-item[open] summary::after {
  content: "−";
  background: var(--color-accent-soft);
  transform: translateY(-50%) rotate(180deg);
}

.faq-answer {
  padding: 0 20px 20px;
  color: var(--color-text-muted);
}

.faq-answer > :last-child {
  margin-bottom: 0;
}

.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: 100%;
  padding: 28px;
  flex-direction: column;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-large);
  background: var(--color-panel);
  box-shadow: 0 18px 42px var(--color-shadow-soft);
  transition: transform var(--transition-smooth), border-color var(--transition-fast);
}

.plan-card:hover {
  border-color: var(--color-accent-glow);
  transform: translateY(-5px);
}

.plan-card.featured,
.plan-card.current {
  border-color: var(--color-accent);
  background:
    radial-gradient(circle at 100% 0, var(--color-accent-soft), var(--color-transparent) 36%),
    var(--color-panel-soft);
  box-shadow: var(--shadow-window);
}

.plan-badge {
  position: absolute;
  top: 18px;
  right: 18px;
  display: inline-flex;
  max-width: calc(100% - 36px);
  min-height: 28px;
  padding: 4px 10px;
  overflow: hidden;
  align-items: center;
  border-radius: var(--radius-pill);
  color: var(--color-text-dark);
  background: var(--color-warn);
  font-size: 11px;
  font-weight: 800;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.plan-name {
  padding-right: 74px;
  color: var(--color-text);
  font-size: 17px;
  font-weight: 760;
}

.plan-period {
  margin-top: 5px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.plan-price {
  display: flex;
  margin: 28px 0 8px;
  align-items: flex-end;
  gap: 5px;
}

.plan-currency {
  padding-bottom: 8px;
  color: var(--color-accent);
  font-size: 20px;
  font-weight: 760;
}

.plan-amount {
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(46px, 5vw, 62px);
  font-weight: 820;
  line-height: 0.95;
  letter-spacing: -0.05em;
}

.plan-unit {
  padding-bottom: 7px;
  color: var(--color-text-muted);
  font-size: 13px;
}

.plan-description {
  color: var(--color-text-muted);
  font-size: 14px;
}

.plan-features {
  display: grid;
  margin: 20px 0 26px;
  padding: 20px 0 0;
  gap: 10px;
  border-top: 1px solid var(--color-border-soft);
  list-style: none;
}

.plan-features li {
  position: relative;
  margin: 0;
  padding-left: 24px;
  color: var(--color-text-muted);
  font-size: 13px;
}

.plan-features li::before {
  position: absolute;
  top: 0;
  left: 0;
  content: "✓";
  color: var(--color-success);
  font-weight: 850;
}

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

.table-scroll {
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-large);
  background: var(--color-panel);
  box-shadow: var(--shadow-panel);
  overscroll-behavior-inline: contain;
  -webkit-overflow-scrolling: touch;
}

.location-table,
.data-table,
.comparison-table {
  width: 100%;
  min-width: 720px;
}

.location-table caption,
.data-table caption,
.comparison-table caption {
  padding: 18px 20px;
  color: var(--color-text);
  font-weight: 720;
  text-align: left;
}

.location-table thead,
.data-table thead,
.comparison-table thead {
  background: var(--color-white-soft);
}

.location-table tbody tr:hover,
.data-table tbody tr:hover,
.comparison-table tbody tr:hover {
  background: var(--color-accent-soft);
}

.location-table .region-row th {
  padding-top: 22px;
  color: var(--color-accent);
  background: var(--color-bg-deep);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.location-country {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--color-text);
  font-weight: 680;
}

.location-country span:first-child {
  flex-shrink: 0;
}

.line-type {
  display: inline-flex;
  max-width: 100%;
  min-height: 28px;
  padding: 3px 9px;
  overflow: hidden;
  align-items: center;
  border: 1px solid var(--color-accent-glow);
  border-radius: var(--radius-pill);
  color: var(--color-accent);
  background: var(--color-accent-soft);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.streaming-state {
  color: var(--color-success);
  font-weight: 700;
}

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

.platform-card {
  display: flex;
  min-width: 0;
  min-height: 220px;
  padding: 22px;
  flex-direction: column;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-large);
  background: var(--color-panel);
  box-shadow: 0 16px 34px var(--color-shadow-soft);
  transition: transform var(--transition-smooth), border-color var(--transition-fast);
}

.platform-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
}

.platform-icon {
  display: grid;
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  place-items: center;
  border: 1px solid var(--color-accent-glow);
  border-radius: 15px;
  color: var(--color-accent);
  background: var(--color-accent-soft);
}

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

.platform-name {
  margin: 19px 0 7px;
  color: var(--color-text);
  font-size: 17px;
  font-weight: 750;
}

.platform-note {
  margin-bottom: 20px;
  color: var(--color-text-muted);
  font-size: 12px;
  line-height: 1.6;
}

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

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

.article-card {
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 100%;
  padding: 24px;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-large);
  background: var(--color-panel);
  box-shadow: 0 16px 38px var(--color-shadow-soft);
  transition: transform var(--transition-smooth), border-color var(--transition-fast);
}

.article-card::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  content: "";
  background: linear-gradient(90deg, var(--color-accent), var(--color-success));
  transform: scaleX(0.24);
  transform-origin: left;
  transition: transform var(--transition-smooth);
}

.article-card:hover {
  border-color: var(--color-accent-glow);
  transform: translateY(-5px);
}

.article-card:hover::before {
  transform: scaleX(1);
}

.article-meta {
  display: flex;
  margin-bottom: 18px;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 10px;
}

.article-card h3 {
  margin-bottom: 12px;
  font-size: 21px;
  line-height: 1.35;
}

.article-card p {
  color: var(--color-text-muted);
  font-size: 13px;
  line-height: 1.7;
}

.article-link {
  display: inline-flex;
  margin-top: auto;
  align-items: center;
  gap: 7px;
  color: var(--color-accent);
  font-size: 13px;
  font-weight: 720;
}

.article-link::after {
  content: "→";
  transition: transform var(--transition-fast);
}

.article-card:hover .article-link::after {
  transform: translateX(4px);
}

.callout {
  position: relative;
  margin: 28px 0;
  padding: 20px 22px 20px 26px;
  overflow: hidden;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-medium);
  color: var(--color-text-muted);
  background: var(--color-accent-soft);
}

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

.callout-title {
  display: block;
  margin-bottom: 6px;
  color: var(--color-text);
  font-weight: 760;
}

.callout-warning {
  background: var(--color-warn-soft);
}

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

.promo-block {
  position: relative;
  display: grid;
  margin-top: 56px;
  padding: clamp(28px, 5vw, 46px);
  overflow: hidden;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  border: 1px solid var(--color-accent-glow);
  border-radius: var(--radius-large);
  background:
    radial-gradient(circle at 90% 20%, var(--color-accent-soft), var(--color-transparent) 32%),
    var(--color-panel);
  box-shadow: var(--shadow-window);
}

.promo-block::after {
  position: absolute;
  right: -70px;
  bottom: -110px;
  width: 260px;
  height: 260px;
  content: "";
  border: 1px dashed var(--color-border);
  border-radius: 50%;
  pointer-events: none;
}

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

.promo-brand {
  margin-bottom: 7px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 760;
  letter-spacing: 0.06em;
}

.promo-block h2,
.promo-block h3 {
  margin-bottom: 9px;
  font-size: clamp(25px, 4vw, 38px);
}

.promo-block p {
  max-width: 640px;
  margin-bottom: 0;
  color: var(--color-text-muted);
}

.promo-action {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
}

.feature-thread {
  position: relative;
  display: grid;
  gap: 46px;
}

.feature-thread::before {
  position: absolute;
  top: 12px;
  bottom: 12px;
  left: 27px;
  width: 2px;
  content: "";
  background: linear-gradient(180deg, var(--color-accent), var(--color-border), var(--color-success));
}

.feature-thread-item {
  position: relative;
  display: grid;
  padding-left: 82px;
  grid-template-columns: minmax(220px, 0.72fr) minmax(0, 1.28fr);
  align-items: start;
  gap: 34px;
}

.feature-thread-item:nth-child(even) .feature-thread-summary {
  order: 2;
}

.feature-thread-node {
  position: absolute;
  top: 4px;
  left: 14px;
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border: 5px solid var(--color-bg);
  border-radius: 50%;
  color: var(--color-text-dark);
  background: var(--color-accent);
  box-shadow: 0 0 0 6px var(--color-accent-soft);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 800;
}

.feature-thread-summary {
  padding-top: 5px;
}

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

.feature-thread-panel {
  padding: 28px;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-large);
  background: var(--color-panel);
  box-shadow: var(--shadow-panel);
}

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

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

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

.palette-color {
  height: 92px;
}

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

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

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

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

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

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

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

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

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

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

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

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

.palette-label {
  padding: 12px 14px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.type-specimen {
  display: grid;
  gap: 20px;
}

.type-row {
  padding: 24px;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-medium);
  background: var(--color-panel);
}

.type-display {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(40px, 7vw, 70px);
  font-weight: 820;
  line-height: 1.03;
  letter-spacing: -0.05em;
}

.type-body {
  max-width: 740px;
  margin: 0;
  color: var(--color-text-muted);
  font-size: 17px;
}

.type-mono {
  margin: 0;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 14px;
}

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

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

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

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

@media (max-width: 800px) {
  .pricing-grid {
    grid-template-columns: 1fr;
  }

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

  .feature-thread-item {
    grid-template-columns: 1fr;
  }

  .feature-thread-item:nth-child(even) .feature-thread-summary {
    order: initial;
  }

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

  .promo-action {
    justify-self: start;
  }
}

@media (max-width: 640px) {
  .toc-tabs {
    top: 8px;
    max-width: calc(100vw - 32px);
    margin-bottom: 28px;
    border-radius: var(--radius-medium);
  }

  .toc-tabs a {
    min-height: 44px;
  }

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

  .platform-card {
    min-height: 190px;
  }

  .plan-card,
  .feature-thread-panel,
  .article-card {
    padding: 22px;
  }

  .feature-thread::before {
    left: 19px;
  }

  .feature-thread-item {
    padding-left: 58px;
  }

  .feature-thread-node {
    left: 6px;
  }

  .promo-block {
    margin-top: 42px;
  }

  .promo-action,
  .promo-action .button {
    width: 100%;
  }

  .faq-item summary {
    min-height: 62px;
    padding-left: 16px;
  }

  .table-scroll {
    border-radius: var(--radius-medium);
  }

  .location-table,
  .data-table,
  .comparison-table {
    min-width: 680px;
  }
}