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

.tab-list {
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  padding: 4px;
  overflow-x: auto;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-panel-muted);
  scrollbar-width: thin;
}

.tab-list [role="tab"] {
  min-width: 88px;
  min-height: 40px;
  padding: 8px 16px;
  flex-shrink: 0;
  border-radius: var(--radius-xs);
  background: var(--color-transparent);
  color: var(--color-muted);
  font-weight: 700;
}

.tab-list [role="tab"][aria-selected="true"] {
  color: var(--color-on-accent);
  background: var(--color-accent);
  box-shadow: var(--shadow-panel);
}

.tab-panel {
  padding-top: 28px;
}

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

.toc-tabs {
  position: sticky;
  z-index: 20;
  top: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  max-width: 100%;
  margin-bottom: 48px;
  padding: 6px;
  overflow-x: auto;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  box-shadow: var(--shadow-panel);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.toc-tabs a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 7px 14px;
  flex-shrink: 0;
  border-radius: var(--radius-xs);
  color: var(--color-muted);
  font-size: 14px;
  font-weight: 650;
  white-space: nowrap;
}

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

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

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

.faq-item summary {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 58px;
  padding: 16px 54px 16px 20px;
  cursor: pointer;
  font-weight: 750;
  list-style: none;
}

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

.faq-item summary::after {
  position: absolute;
  right: 20px;
  content: "+";
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
}

.faq-item[open] summary::after {
  content: "−";
}

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

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

.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: 30px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  transform-style: preserve-3d;
}

.plan-card.is-featured {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-raised);
}

.plan-ribbon {
  position: absolute;
  top: 14px;
  right: 14px;
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  max-width: calc(100% - 28px);
  padding-inline: 9px;
  overflow: hidden;
  border-radius: var(--radius-pill);
  color: var(--color-on-accent);
  background: var(--color-accent);
  font-size: 12px;
  font-weight: 750;
}

.plan-name {
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.plan-price {
  margin-bottom: 8px;
  font-family: var(--font-display);
  font-size: 44px;
  font-weight: 900;
  line-height: 1;
}

.plan-price small {
  color: var(--color-muted);
  font-size: 14px;
  font-weight: 550;
}

.plan-traffic {
  color: var(--color-muted);
}

.plan-features {
  display: grid;
  gap: 9px;
  margin: 24px 0;
  padding: 20px 0;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  list-style: none;
}

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

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

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

.data-table,
.server-table,
.comparison-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  text-align: left;
}

.data-table th,
.data-table td,
.server-table th,
.server-table td,
.comparison-table th,
.comparison-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-line);
  vertical-align: top;
}

.data-table th,
.server-table th,
.comparison-table th {
  color: var(--color-ink);
  background: var(--color-panel-muted);
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.data-table td:first-child,
.server-table td:first-child,
.comparison-table td:first-child {
  color: var(--color-ink);
  font-weight: 650;
}

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

.server-group td {
  color: var(--color-accent);
  background: var(--color-panel-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .06em;
}

.server-type,
.article-tag {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  max-width: 100%;
  padding-inline: 9px;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-panel-muted);
  color: var(--color-ink);
  font-family: var(--font-mono);
  font-size: 11px;
  white-space: nowrap;
}

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

.platform-card {
  display: flex;
  min-width: 0;
  min-height: 208px;
  flex-direction: column;
  align-items: flex-start;
  padding: 22px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-panel);
}

.platform-mark {
  display: grid;
  width: 42px;
  height: 42px;
  margin-bottom: 28px;
  place-items: center;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-xs);
  color: var(--color-accent);
  background: var(--color-panel-muted);
}

.platform-mark svg {
  width: 24px;
  height: 24px;
}

.platform-card h3 {
  font-size: 19px;
}

.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;
  min-height: 290px;
  flex-direction: column;
  padding: 26px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.article-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-panel);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.article-card h3 {
  font-size: 23px;
}

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

.article-link {
  margin-top: auto;
  color: var(--color-accent);
  font-weight: 750;
}

.callout {
  margin: 28px 0;
  padding: 20px 22px;
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--color-panel-muted);
}

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

.promo-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  margin-top: 64px;
  padding: 32px;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-md);
  background: var(--color-accent-soft);
}

.promo-block h2,
.promo-block h3 {
  margin-bottom: 8px;
  font-size: clamp(26px, 3vw, 38px);
}

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

.relay {
  position: relative;
  width: 548px;
  height: 340px;
  max-width: 100%;
  margin-inline: auto;
}

.relay-line {
  position: absolute;
  z-index: 0;
  top: 50%;
  left: -28px;
  width: 604px;
  max-width: calc(100% + 56px);
  height: 2px;
  margin-top: -1px;
  opacity: .55;
}

.relay-line line {
  stroke: var(--color-accent);
}

.relay-band {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.relay-node {
  position: relative;
  z-index: 2;
  display: flex;
  width: 156px;
  height: 216px;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-panel);
}

.relay-node-body {
  display: flex;
  min-height: 0;
  flex: 1;
  flex-direction: column;
  padding: 14px;
}

.relay-node-title {
  margin: 0;
  font-size: 15px;
  line-height: 1.3;
}

.relay-node-note {
  margin-top: auto;
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 11px;
  line-height: 1.4;
}

.relay-platforms {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 22px;
}

.relay-platforms svg {
  width: 20px;
  height: 20px;
}

.relay-list,
.relay-exits {
  display: grid;
  gap: 2px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.relay-list li {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 26px;
  padding-inline: 8px;
  border-radius: var(--radius-xs);
  color: var(--color-muted);
  font-size: 13px;
}

.relay-list li.is-current {
  color: var(--color-accent);
  background: var(--color-accent-soft);
  font-weight: 700;
}

.relay-list li.is-current::before {
  position: absolute;
  top: 5px;
  bottom: 5px;
  left: 0;
  width: 2px;
  border-radius: 1px;
  content: "";
  background: var(--color-accent);
}

.relay-code {
  width: 18px;
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 10px;
}

.relay-exits {
  gap: 4px;
}

.relay-exits li {
  display: flex;
  align-items: center;
  min-height: 28px;
  padding-inline: 8px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-xs);
  background: var(--color-paper);
  font-size: 13px;
}

.relay-exits li::before {
  margin-right: 7px;
  content: "→";
  color: var(--color-accent);
}

.relay-pulse {
  position: absolute;
  z-index: 1;
  top: 50%;
  left: 0;
  width: 6px;
  height: 6px;
  margin: -3px 0 0 -3px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: relay-travel 6s linear infinite;
  will-change: transform, opacity;
}

.relay-pulse.is-second {
  animation-delay: -3s;
}

@keyframes relay-travel {
  0% { opacity: 0; transform: translateX(-30px); }
  3%, 10% { opacity: 1; transform: translateX(-6px); }
  22% { opacity: 1; transform: translateX(160px); }
  25%, 32% { opacity: 1; transform: translateX(190px); }
  44% { opacity: 1; transform: translateX(356px); }
  47%, 54% { opacity: 1; transform: translateX(386px); }
  66% { opacity: 1; transform: translateX(552px); }
  70% { opacity: 1; transform: translateX(574px); }
  73%, 100% { opacity: 0; transform: translateX(582px); }
}

.relay-fragment {
  position: absolute;
  z-index: 0;
  width: 8px;
  height: 2px;
  border-radius: 1px;
  background: var(--color-muted);
  opacity: .22;
}

.fragment-1 { top: 12px; left: 8px; transform: rotate(-25deg); }
.fragment-2 { top: 36px; left: 96px; transform: rotate(40deg); }
.fragment-3 { top: 8px; left: 212px; transform: rotate(90deg); }
.fragment-4 { top: 44px; left: 302px; transform: rotate(-10deg); }
.fragment-5 { top: 16px; left: 420px; transform: rotate(60deg); }
.fragment-6 { top: 40px; left: 520px; transform: rotate(-40deg); }
.fragment-7 { top: 306px; left: 42px; transform: rotate(20deg); }
.fragment-8 { top: 322px; left: 172px; transform: rotate(-60deg); }
.fragment-9 { top: 298px; left: 262px; transform: rotate(90deg); }
.fragment-10 { top: 318px; left: 382px; transform: rotate(15deg); }
.fragment-11 { top: 300px; left: 492px; transform: rotate(-30deg); }
.fragment-12 { top: 118px; left: 172px; transform: rotate(90deg); }
.fragment-13 { top: 236px; left: 368px; transform: rotate(90deg); }

.stat-number {
  display: inline-block;
  min-width: 4ch;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.preview-section {
  padding-top: 96px;
  padding-bottom: 96px;
  border-top: 1px solid var(--color-line);
}

.preview-heading {
  max-width: 760px;
  margin-bottom: 42px;
}

.preview-heading p {
  color: var(--color-muted);
}

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

.preview-stack {
  display: grid;
  gap: 18px;
}

.swatch-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

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

.swatch-color {
  height: 86px;
  border-bottom: 1px solid var(--color-line);
}

.swatch-color.is-paper { background: var(--color-paper); }
.swatch-color.is-panel { background: var(--color-panel); }
.swatch-color.is-panel-muted { background: var(--color-panel-muted); }
.swatch-color.is-line { background: var(--color-line); }
.swatch-color.is-accent { background: var(--color-accent); }
.swatch-color.is-accent-deep { background: var(--color-accent-deep); }
.swatch-color.is-ink { background: var(--color-ink); }
.swatch-color.is-muted { background: var(--color-muted); }
.swatch-color.is-success { background: var(--color-success); }
.swatch-color.is-warning { background: var(--color-warning); }
.swatch-color.is-error { background: var(--color-error); }

.swatch-label {
  padding: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  overflow-wrap: anywhere;
}

.type-sample {
  padding: 26px 0;
  border-bottom: 1px solid var(--color-line);
}

.type-sample:last-child {
  border-bottom: 0;
}

.type-meta {
  margin-bottom: 8px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 11px;
}

.button-showcase {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

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

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

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

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

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

  .relay {
    width: 100%;
    height: auto;
    padding-block: 8px;
  }

  .relay::before {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    border-left: 2px dashed var(--color-accent);
    content: "";
    opacity: .55;
  }

  .relay-line,
  .relay-fragment,
  .relay-pulse {
    display: none;
  }

  .relay-band {
    position: static;
    flex-direction: column;
    gap: 36px;
  }

  .relay-node {
    width: min(100%, 360px);
    height: auto;
    min-height: 190px;
  }

  .relay-platforms {
    justify-content: flex-start;
    gap: 22px;
  }

  .relay-node-note {
    margin-top: 16px;
  }
}

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

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

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

  .preview-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 640px) {
  .toc-tabs {
    top: 6px;
    border-radius: var(--radius-xs);
  }

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

  .platform-card {
    min-height: 180px;
  }

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

  .promo-block {
    padding: 22px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .relay-pulse {
    animation: none;
    opacity: 1;
    transform: translateX(190px);
  }

  .relay-pulse.is-second {
    display: none;
  }
}