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

.tab-list,
[role="tablist"] {
  max-width: 100%;
  padding: 5px;
  display: inline-flex;
  gap: 4px;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel-soft);
  -webkit-overflow-scrolling: touch;
}

.tab-button,
[role="tab"] {
  min-height: 40px;
  padding: 8px 15px;
  flex: 0 0 auto;
  border: 0;
  border-radius: var(--radius-xs);
  background: transparent;
  color: var(--color-ink-muted);
  font-size: 13px;
  font-weight: 780;
  white-space: nowrap;
}

.tab-button:hover,
[role="tab"]:hover {
  color: var(--color-accent-deep);
}

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

.tab-panel {
  margin-top: 22px;
}

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

.toc-tabs {
  position: sticky;
  top: 0;
  z-index: 50;
  max-width: 100%;
  padding: 9px;
  display: flex;
  gap: 5px;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  box-shadow: var(--shadow-soft);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.toc-tabs a {
  min-height: 38px;
  padding: 7px 11px;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-xs);
  color: var(--color-ink-muted);
  font-size: 13px;
  font-weight: 720;
  white-space: nowrap;
}

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

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

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

.faq-item summary {
  position: relative;
  min-height: 58px;
  padding: 16px 48px 16px 18px;
  display: flex;
  align-items: center;
  color: var(--color-ink);
  font-weight: 780;
  list-style: none;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 800;
}

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

.faq-answer {
  padding: 0 18px 18px;
  color: var(--color-ink-muted);
}

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

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

.plan-card {
  position: relative;
  min-width: 0;
  padding: 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-soft);
}

.plan-card.is-current {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px var(--border-accent), var(--shadow-panel);
}

.plan-ribbon {
  position: absolute;
  top: 0;
  right: 18px;
  padding: 6px 10px;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  background: var(--color-accent);
  color: var(--color-panel);
  font-size: 11px;
  font-weight: 820;
}

.plan-name {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 850;
}

.plan-period {
  color: var(--color-ink-muted);
  font-size: 13px;
}

.plan-price {
  margin: 20px 0 5px;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 900;
  line-height: 1;
}

.plan-price small {
  color: var(--color-ink-muted);
  font-size: 14px;
  font-weight: 650;
}

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

.plan-features li {
  position: relative;
  padding-left: 21px;
  color: var(--color-ink-muted);
  font-size: 14px;
}

.plan-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: 900;
}

.table-scroll {
  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;
}

.data-table,
.location-table,
.compare-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  background: var(--color-panel);
}

.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: middle;
}

.data-table th,
.location-table th,
.compare-table th {
  background: var(--color-panel-soft);
  color: var(--color-ink);
  font-size: 12px;
  font-weight: 820;
  letter-spacing: 0.02em;
}

.data-table td:first-child,
.location-table td:first-child,
.compare-table td:first-child {
  color: var(--color-ink);
  font-weight: 720;
}

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

.location-group td {
  background: var(--wash-accent);
  color: var(--color-accent-deep);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
}

.table-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-success);
  font-size: 13px;
  font-weight: 760;
}

.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: 12px;
}

.platform-card {
  min-width: 0;
  padding: 22px 16px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
}

.platform-icon {
  width: 32px;
  height: 32px;
  flex: 0 0 auto;
  color: var(--color-ink);
}

.platform-name {
  font-size: 16px;
  font-weight: 820;
}

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

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

.article-card {
  min-width: 0;
  padding: 24px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-soft);
}

.article-card-meta {
  margin-bottom: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  color: var(--color-ink-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

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

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

.article-card-link {
  margin-top: auto;
  color: var(--color-accent-deep);
  font-weight: 800;
}

.callout {
  margin: 26px 0;
  padding: 18px 20px;
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--wash-accent);
  color: var(--color-ink);
}

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

.promo-block {
  margin-top: 48px;
  padding: 30px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
  border: 1px solid var(--color-terminal-border);
  border-radius: var(--radius-md);
  background: var(--color-terminal);
  color: var(--color-terminal-text);
  box-shadow: var(--shadow-deep);
}

.promo-block h2,
.promo-block h3 {
  margin-bottom: 8px;
  color: var(--color-terminal-text);
}

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

.float-cta {
  position: fixed;
  right: 24px;
  bottom: 20px;
  z-index: 75;
  min-height: 46px;
  padding: 0 19px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--color-accent-deep);
  border-radius: var(--radius-sm);
  background: var(--color-accent);
  color: var(--color-panel);
  font-size: 14px;
  font-weight: 820;
  box-shadow: var(--shadow-deep);
}

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

.float-cta svg {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
}

.hero {
  position: relative;
  min-height: 728px;
  overflow-x: clip;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-canvas);
}

.hero-grid {
  min-height: 728px;
  padding-top: 48px;
  padding-bottom: 42px;
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(570px, 1.1fr);
  align-items: center;
  gap: 68px;
}

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

.hero-actions {
  margin: 0 0 21px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-description {
  max-width: 570px;
  margin: 0;
  color: var(--color-ink-muted);
  font-size: 16px;
  line-height: 1.75;
}

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

.trust-row {
  margin: 19px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 15px;
  list-style: none;
}

.trust-row li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-ink-muted);
  font-size: 12px;
  font-weight: 680;
}

.trust-row svg {
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
  color: var(--color-success);
}

.platform-strip {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--color-border);
}

.platform-strip-label {
  margin-bottom: 12px;
  color: var(--color-ink-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 760;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.platform-strip-items {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
}

.platform-strip-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-ink-muted);
  font-size: 11px;
  font-weight: 720;
}

.platform-strip-item svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  color: var(--color-ink);
}

.device-stage {
  position: relative;
  min-width: 0;
  padding: 18px 8px 14px 0;
}

.device-stage::before {
  content: "";
  position: absolute;
  inset: 0 34px 0 26px;
  border: 1px dashed var(--border-accent);
  border-radius: var(--radius-md);
}

.device-stage::after {
  content: "DUAL-STACK / VERIFIED ROUTE";
  position: absolute;
  top: -5px;
  right: 56px;
  padding-inline: 9px;
  background: var(--color-canvas);
  color: var(--color-ink-muted);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 760;
  letter-spacing: .12em;
}

.terminal-depth {
  position: absolute;
  inset: 36px 0 0 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel-soft);
  box-shadow: var(--shadow-panel);
}

.terminal {
  position: relative;
  margin: 12px 20px 14px 0;
  overflow: hidden;
  border: 1px solid var(--color-terminal-border);
  border-radius: var(--radius-md);
  background: var(--color-terminal);
  color: var(--color-terminal-text);
  box-shadow: var(--shadow-deep), 0 4px 0 var(--color-panel-soft);
}

.terminal-bar {
  min-height: 54px;
  padding: 0 19px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  border-bottom: 1px solid var(--color-terminal-border);
  background: var(--color-terminal-bar);
}

.terminal-dots {
  display: flex;
  gap: 8px;
}

.terminal-dot {
  width: 11px;
  height: 11px;
  flex: 0 0 auto;
  border-radius: var(--radius-pill);
}

.terminal-dot.is-red {
  background: var(--color-error);
}

.terminal-dot.is-yellow {
  background: var(--color-warning);
}

.terminal-dot.is-green {
  background: var(--color-success);
}

.terminal-title,
.terminal-mode,
.terminal-body {
  font-family: var(--font-mono);
}

.terminal-title {
  font-size: 12px;
  font-weight: 760;
}

.terminal-mode {
  justify-self: end;
  padding: 4px 7px;
  border: 1px solid var(--color-terminal-border);
  border-radius: var(--radius-xs);
  color: var(--color-terminal-muted);
  font-size: 9px;
}

.terminal-body {
  min-height: 392px;
  padding: 22px 24px 0;
  font-size: 12px;
  line-height: 1.64;
}

.terminal-command {
  color: var(--color-terminal-blue);
}

.terminal-command strong {
  color: var(--color-terminal-green);
}

.terminal-rule {
  height: 1px;
  margin: 17px 0;
  background: var(--terminal-rule);
}

.record-row,
.tunnel-row {
  min-width: 0;
  display: grid;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--terminal-rule);
}

.record-row {
  grid-template-columns: 84px minmax(0, 1fr) auto;
  min-height: 38px;
}

.record-type {
  width: max-content;
  padding: 2px 7px;
  border: 1px solid var(--color-terminal-border);
  border-radius: var(--radius-xs);
  color: var(--color-terminal-blue);
  font-weight: 800;
}

.record-value {
  min-width: 0;
  overflow-wrap: anywhere;
  color: var(--color-terminal-text);
}

.record-state,
.tunnel-status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--color-terminal-green);
  font-weight: 800;
}

.tunnel-box {
  margin-top: 17px;
  overflow: hidden;
  border: 1px solid var(--color-terminal-border);
  border-radius: var(--radius-sm);
}

.tunnel-head {
  min-height: 34px;
  padding: 0 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-terminal-border);
  background: var(--color-terminal-bar);
  color: var(--color-terminal-muted);
  font-size: 10px;
}

.tunnel-row {
  grid-template-columns: 75px minmax(0, 1fr) auto;
  min-height: 48px;
  padding: 8px 12px;
}

.tunnel-kind {
  color: var(--color-terminal-blue);
  font-weight: 760;
}

.terminal-cursor-line {
  min-height: 42px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-terminal-muted);
}

.terminal-cursor {
  width: 8px;
  height: 15px;
  flex: 0 0 auto;
  background: var(--color-terminal-text);
}

.route-dock {
  min-height: 74px;
  padding: 13px 17px;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  align-items: center;
  border-top: 1px solid var(--color-terminal-border);
  background: var(--color-terminal-bar);
}

.route-item {
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--color-terminal-muted);
  font-size: 10px;
  font-weight: 720;
}

.flag {
  width: 29px;
  height: 19px;
  flex: 0 0 auto;
  overflow: hidden;
  border: 1px solid var(--color-terminal-border);
  border-radius: var(--radius-xs);
  background: var(--color-flag-white);
}

.flag-white { fill: var(--color-flag-white); }
.flag-red { fill: var(--color-flag-red); }
.flag-red-deep { fill: var(--color-flag-red-deep); }
.flag-blue { fill: var(--color-flag-blue); }
.flag-blue-deep { fill: var(--color-flag-blue-deep); }
.flag-black { fill: var(--color-flag-black); }
.flag-yellow { fill: var(--color-flag-yellow); }

.stats-band {
  min-height: 88px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-panel);
}

.stats-grid {
  min-height: 88px;
  display: grid;
  grid-template-columns: auto 1fr 1fr auto;
  align-items: center;
}

.stats-label {
  padding-right: 28px;
  color: var(--color-ink-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 760;
  letter-spacing: .13em;
}

.stat-item {
  min-height: 88px;
  padding: 0 30px;
  display: flex;
  align-items: center;
  gap: 13px;
  border-left: 1px solid var(--color-border);
}

.stat-value {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 27px;
  font-weight: 820;
}

.stat-name {
  color: var(--color-ink-muted);
  font-size: 13px;
  font-weight: 720;
}

.stats-note {
  padding-left: 28px;
  border-left: 1px solid var(--color-border);
  color: var(--color-ink-muted);
  font-size: 12px;
  font-weight: 680;
}

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

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

.swatch-color {
  height: 72px;
}

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

.swatch-label {
  padding: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  overflow-wrap: anywhere;
}

@media (max-width: 1050px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 44px;
  }

  .device-stage {
    width: min(720px, 100%);
  }

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

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

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

@media (max-width: 768px) {
  .hero,
  .hero-grid {
    min-height: auto;
  }

  .hero-grid {
    padding-top: 44px;
    padding-bottom: 52px;
  }

  .device-stage::after {
    display: none;
  }

  .terminal-body {
    min-height: 0;
  }

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

  .stats-label,
  .stats-note {
    display: none;
  }

  .stat-item:first-of-type {
    border-left: 0;
  }

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

@media (max-width: 640px) {
  .plan-grid,
  .article-grid,
  .platform-grid,
  .swatch-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .terminal {
    margin-right: 8px;
  }

  .terminal-body {
    padding: 18px 14px 0;
    font-size: 10px;
  }

  .record-row {
    grid-template-columns: 58px minmax(0, 1fr);
  }

  .record-state {
    grid-column: 2;
    padding-bottom: 8px;
  }

  .tunnel-row {
    grid-template-columns: 54px minmax(0, 1fr);
  }

  .tunnel-status {
    grid-column: 2;
  }

  .route-dock {
    padding-inline: 7px;
  }

  .route-item {
    font-size: 8px;
  }

  .flag {
    width: 25px;
    height: 17px;
  }

  .float-cta {
    right: 16px;
    bottom: 14px;
  }

  .toc-tabs {
    border-radius: 0;
  }
}