:root {
  --table-min-width: 720px;
  --compare-min-width: 780px;
  --platform-icon-size: 30px;
  --float-cta-offset: 26px;
  --hero-window-width: 768px;
}

.tab-shell {
  display: grid;
  gap: 20px;
}

.tab-list,
[role="tablist"] {
  display: flex;
  max-width: 100%;
  gap: 8px;
  overflow-x: auto;
  padding: 4px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel-muted);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

[role="tab"] {
  min-height: 42px;
  flex: 0 0 auto;
  padding: 8px 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-xs);
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
}

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

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

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

.feature-browser {
  display: grid;
  grid-template-columns: minmax(190px, 240px) minmax(0, 1fr);
  gap: 22px;
}

.feature-tabs {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0;
  border: 0;
  background: transparent;
}

.feature-tabs [role="tab"] {
  position: relative;
  width: 100%;
  justify-content: flex-start;
  border-width: 0 0 0 2px;
  border-color: var(--color-border);
  border-radius: 0;
  text-align: left;
}

.feature-tabs [role="tab"]::before {
  margin-right: 8px;
  color: var(--color-line);
  content: "•";
}

.feature-tabs [role="tab"][aria-selected="true"] {
  border-color: var(--color-accent);
  background: transparent;
  color: var(--color-accent-strong);
}

.feature-detail {
  min-height: 320px;
  padding: clamp(28px, 5vw, 58px);
}

.feature-sketch {
  margin-top: 30px;
  padding-top: 26px;
  border-top: 1px dashed var(--color-line);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

.toc-tabs {
  position: sticky;
  top: 12px;
  z-index: 40;
  display: flex;
  max-width: 100%;
  gap: 6px;
  overflow-x: auto;
  padding: 6px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  box-shadow: 0 1px 2px var(--color-shadow-soft);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.toc-tabs a {
  min-height: 38px;
  flex: 0 0 auto;
  padding: 8px 13px;
  border-radius: var(--radius-xs);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  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-strong);
}

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;
  padding: 21px 42px 21px 0;
  color: var(--color-text);
  font-weight: 600;
  list-style: none;
}

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

.faq-item summary::after {
  position: absolute;
  top: 50%;
  right: 4px;
  color: var(--color-accent);
  content: "+";
  font-family: var(--font-mono);
  font-size: 20px;
  transform: translateY(-50%);
}

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

.faq-answer {
  max-width: 820px;
  padding: 0 42px 22px 0;
  color: var(--color-text-muted);
}

.plan-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  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-md);
  background: var(--color-panel);
}

.plan-card.is-current,
.plan-card.is-featured {
  border-color: var(--color-accent);
  box-shadow: inset 0 3px 0 var(--color-accent);
}

.plan-ribbon {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 4px 9px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-on-accent);
  font-family: var(--font-mono);
  font-size: 10px;
}

.plan-name {
  margin-bottom: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: 5px;
  margin-bottom: 8px;
}

.plan-price strong {
  font-family: var(--font-display);
  font-size: clamp(38px, 4vw, 52px);
  font-weight: 500;
  line-height: 1;
}

.plan-price span,
.plan-note {
  color: var(--color-text-muted);
  font-size: 13px;
}

.plan-features {
  display: grid;
  gap: 10px;
  margin: 22px 0 28px;
  padding: 20px 0 0;
  border-top: 1px solid var(--color-border);
  list-style: none;
}

.plan-features li {
  position: relative;
  padding-left: 20px;
  color: var(--color-text-muted);
  font-size: 14px;
}

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

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

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

.server-table,
.compare-table,
.data-table {
  width: 100%;
  min-width: var(--table-min-width);
}

.compare-table {
  min-width: var(--compare-min-width);
}

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

.server-table th,
.compare-table th,
.data-table th {
  background: var(--color-panel-muted);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .05em;
}

.server-table td:first-child,
.compare-table td:first-child,
.data-table td:first-child {
  color: var(--color-text);
  font-weight: 600;
}

.server-table td,
.compare-table td,
.data-table td {
  color: var(--color-text-muted);
  font-size: 13px;
}

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

.server-group-row td {
  background: var(--color-panel-muted);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
}

.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: 14px;
}

.platform-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  padding: 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
}

.platform-card svg {
  width: var(--platform-icon-size);
  height: var(--platform-icon-size);
  color: var(--color-text);
}

.platform-card h3 {
  margin: 0;
  font-size: 18px;
}

.platform-card p {
  flex: 1;
  margin: 0;
  color: var(--color-text-muted);
  font-size: 13px;
}

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

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

.article-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.article-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

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

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

.article-link {
  margin-top: auto;
  color: var(--color-accent-strong);
  font-family: var(--font-mono);
  font-size: 12px;
}

.callout {
  position: relative;
  padding: 20px 22px 20px 26px;
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-sm);
  background: var(--color-accent-soft);
}

.callout::before {
  position: absolute;
  top: 20px;
  left: 10px;
  color: var(--color-accent-strong);
  content: "·";
  font-family: var(--font-mono);
  font-weight: 700;
}

.callout-success {
  border-left-color: var(--color-success);
}

.callout-warning {
  border-left-color: var(--color-warning);
}

.promo-block {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  overflow: hidden;
  padding: clamp(28px, 5vw, 48px);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-md);
  background: var(--color-accent-soft);
}

.promo-block::after {
  position: absolute;
  top: 18px;
  right: 22px;
  width: 84px;
  border-top: 1px dashed var(--color-accent);
  content: "";
}

.promo-brand {
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
}

.promo-block h2,
.promo-block h3 {
  margin-bottom: 8px;
}

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

.float-cta {
  position: fixed;
  right: var(--float-cta-offset);
  bottom: var(--float-cta-offset);
  z-index: 80;
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  gap: 8px;
  padding: 0 22px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-on-accent);
  box-shadow: var(--shadow-button);
  font-size: 13px;
  font-weight: 600;
}

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

.float-cta svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}

.hero-console {
  max-width: var(--hero-window-width);
  margin-inline: auto;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-window);
  text-align: left;
}

.console-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border);
}

.console-dot {
  width: 9px;
  height: 9px;
  border-radius: var(--radius-pill);
  background: var(--color-line);
}

.console-dot:nth-child(2) {
  opacity: .75;
}

.console-dot:nth-child(3) {
  opacity: .5;
}

.console-name {
  margin-left: 8px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.console-body {
  display: grid;
  grid-template-columns: 236px minmax(0, 1fr);
}

.console-routes {
  padding: 10px 0 12px;
  border-right: 1px solid var(--color-border);
}

.console-heading {
  margin: 0;
  padding: 4px 16px 9px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.console-route {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 16px;
  font-size: 13px;
}

.console-route.is-active {
  background: var(--color-accent-soft);
}

.console-route.is-active::before {
  position: absolute;
  top: 5px;
  bottom: 5px;
  left: 0;
  width: 2px;
  border-radius: var(--radius-xs);
  background: var(--color-accent);
  content: "";
}

.route-code {
  margin-left: auto;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 10px;
}

.console-tunnel {
  padding: 16px 20px;
}

.tunnel-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.tunnel-tag {
  padding: 3px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-page);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 10px;
}

.tunnel-diagram {
  width: 100%;
  margin-top: 12px;
}

.svg-line {
  fill: none;
  stroke: var(--color-line);
  stroke-width: 1.5;
}

.svg-dash {
  stroke-dasharray: 4 4;
}

.svg-dot {
  fill: var(--color-text-muted);
}

.svg-ring {
  fill: var(--color-panel);
  stroke: var(--color-accent);
  stroke-width: 1.6;
}

.svg-check {
  fill: none;
  stroke: var(--color-accent);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.1;
}

.svg-label,
.svg-sub,
.svg-ok {
  font-family: var(--font-mono);
}

.svg-label {
  fill: var(--color-text);
  font-size: 11px;
}

.svg-sub {
  fill: var(--color-text-muted);
  font-size: 8px;
  letter-spacing: .08em;
}

.svg-ok {
  fill: var(--color-accent-strong);
  font-size: 10px;
}

.platform-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 22px;
}

.platform-strip li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--color-text-muted);
  font-size: 12px;
}

.platform-strip svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.flag-icon {
  width: 22px;
  height: 15px;
  flex-shrink: 0;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: 3px;
}

.flag-white {
  fill: var(--color-on-accent);
}

.flag-red {
  fill: var(--color-flag-red);
}

.flag-navy {
  fill: var(--color-flag-navy);
}

.hero-kinetic .kinetic-line {
  display: inline-block;
  opacity: 0;
  transform: translateY(24px);
  animation: kinetic-rise .55s cubic-bezier(.2, .7, .2, 1) forwards;
}

.hero-kinetic .kinetic-line:nth-child(2) {
  animation-delay: .2s;
}

.kinetic-keyword {
  position: relative;
  white-space: nowrap;
}

.kinetic-keyword::after {
  position: absolute;
  right: 2px;
  bottom: -8px;
  left: 2px;
  height: 5px;
  border-radius: var(--radius-xs);
  background: var(--color-accent);
  content: "";
  transform: scaleX(0);
  transform-origin: left center;
  animation: keyword-bar .4s .62s cubic-bezier(.2, .7, .2, 1) forwards;
}

.hero-stage {
  opacity: 0;
  transform: translateY(14px);
  animation: kinetic-rise .55s .5s cubic-bezier(.2, .7, .2, 1) forwards;
}

@keyframes kinetic-rise {
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes keyword-bar {
  to {
    transform: scaleX(1);
  }
}

@media (max-width: 900px) {
  .feature-browser {
    grid-template-columns: 1fr;
  }

  .feature-tabs {
    flex-direction: row;
    overflow-x: auto;
    border-bottom: 1px solid var(--color-border);
    -webkit-overflow-scrolling: touch;
  }

  .feature-tabs [role="tab"] {
    width: auto;
    min-width: max-content;
    border-width: 0 0 2px;
  }

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

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

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

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

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

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

  .float-cta {
    right: 14px;
    bottom: 14px;
    min-height: 40px;
    padding-inline: 17px;
  }

  .server-table,
  .compare-table,
  .data-table {
    min-width: var(--table-min-width);
  }

  .console-route:nth-of-type(n+5) {
    display: none;
  }

  .tunnel-top {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-kinetic .kinetic-line,
  .hero-stage {
    opacity: 1;
    transform: none;
    animation: none;
  }

  .kinetic-keyword::after {
    transform: scaleX(1);
    animation: none;
  }
}