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

.tab-list {
  display: inline-flex;
  max-width: 100%;
  gap: 5px;
  padding: 5px;
  overflow-x: auto;
  border-radius: var(--radius-md);
  background: var(--color-panel);
  -webkit-overflow-scrolling: touch;
}

.tab-list [role="tab"] {
  min-height: 42px;
  padding: 8px 18px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-muted);
  cursor: pointer;
  font-weight: 650;
  white-space: nowrap;
}

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

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

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

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

.toc-tabs {
  position: sticky;
  z-index: 40;
  top: 10px;
  display: flex;
  width: 100%;
  max-width: 100%;
  gap: 7px;
  margin: 0 auto 32px;
  padding: 7px;
  overflow-x: auto;
  border-radius: var(--radius-md);
  background: var(--color-panel-raised);
  box-shadow: var(--shadow-low);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.toc-tabs a {
  display: inline-flex;
  min-height: 40px;
  flex: 0 0 auto;
  align-items: center;
  padding: 7px 13px;
  border-radius: var(--radius-sm);
  color: var(--color-muted);
  font-size: 13px;
  white-space: nowrap;
}

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

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

.faq-item {
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  box-shadow: var(--shadow-low);
}

.faq-item summary {
  position: relative;
  min-height: 58px;
  padding: 17px 52px 17px 20px;
  cursor: pointer;
  font-weight: 650;
  list-style: none;
}

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

.faq-item summary::after {
  position: absolute;
  top: 50%;
  right: 20px;
  color: var(--color-accent-soft);
  content: "+";
  font-family: var(--font-mono);
  font-size: 22px;
  transform: translateY(-50%);
}

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

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

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
  gap: 22px;
}

.pricing-card {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 28px;
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-low);
}

.pricing-card.is-featured,
.pricing-card[aria-current="true"] {
  background: var(--color-panel-raised);
  box-shadow: var(--shadow-high);
}

.value-badge {
  position: absolute;
  top: 18px;
  right: 18px;
  display: inline-flex;
  max-width: calc(100% - 36px);
  padding: 5px 10px;
  overflow: hidden;
  border-radius: var(--radius-xs);
  background: var(--color-warning);
  color: var(--color-deepest);
  font-size: 12px;
  font-weight: 750;
}

.plan-kicker {
  margin-bottom: 12px;
  color: var(--color-accent-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: 5px;
  margin: 18px 0;
  font-family: var(--font-display);
  font-size: 46px;
  font-weight: 700;
  line-height: 1;
}

.plan-price small {
  color: var(--color-muted);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
}

.plan-features {
  margin: 0 0 25px;
  padding: 0;
  list-style: none;
}

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

.plan-features li + li {
  margin-top: 8px;
}

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

.pricing-card .btn-primary,
.pricing-card .btn-secondary {
  width: 100%;
  margin-top: auto;
}

.table-scroll {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  box-shadow: var(--shadow-low);
  -webkit-overflow-scrolling: touch;
}

.data-table,
.route-table,
.compare-table {
  width: 100%;
  min-width: 720px;
}

.data-table th,
.data-table td,
.route-table th,
.route-table td,
.compare-table th,
.compare-table td {
  padding: 15px 18px;
  border-bottom: 1px solid var(--color-rule);
}

.data-table th,
.route-table th,
.compare-table th {
  background: var(--color-panel-raised);
  color: var(--color-text);
  font-size: 13px;
  font-weight: 750;
  letter-spacing: 0.03em;
}

.data-table td:first-child,
.route-table td:first-child,
.compare-table td:first-child {
  color: var(--color-text);
  font-weight: 650;
}

.data-table td,
.route-table td,
.compare-table td {
  color: var(--color-muted);
}

.route-group-row th {
  background: var(--color-deep);
  color: var(--color-accent-soft);
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
}

.route-type {
  display: inline-flex;
  padding: 4px 8px;
  border-radius: var(--radius-xs);
  background: var(--color-panel-raised);
  color: var(--color-accent-soft);
  font-family: var(--font-mono);
  font-size: 12px;
}

.support-yes {
  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: 190px;
  flex-direction: column;
  align-items: flex-start;
  padding: 22px;
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-low);
}

.platform-icon {
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  margin-bottom: 22px;
  color: var(--color-accent-soft);
}

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

.platform-card p {
  color: var(--color-muted);
  font-size: 13px;
}

.platform-card .btn-quiet,
.platform-card .btn-secondary {
  width: 100%;
  margin-top: auto;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.article-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 25px;
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-low);
  transition: transform var(--ease-standard), background-color var(--ease-standard);
}

.article-card:hover {
  background: var(--color-panel-raised);
  transform: translateY(-3px);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  margin-bottom: 18px;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

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

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

.article-link {
  margin-top: auto;
  color: var(--color-accent-soft);
  font-weight: 650;
}

.callout {
  position: relative;
  margin: 28px 0;
  padding: 22px 24px 22px 30px;
  border-radius: var(--radius-sm);
  background: var(--color-panel-raised);
  color: var(--color-text);
}

.callout::before {
  position: absolute;
  top: 14px;
  bottom: 14px;
  left: 0;
  width: 4px;
  border-radius: 0 var(--radius-xs) var(--radius-xs) 0;
  background: var(--color-accent);
  content: "";
}

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

.promo-block {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  margin-top: 58px;
  padding: clamp(28px, 5vw, 52px);
  overflow-x: clip;
  border-radius: var(--radius-lg);
  background: var(--color-panel-raised);
  box-shadow: var(--shadow-high);
}

.promo-block::after {
  position: absolute;
  right: -40px;
  bottom: -55px;
  width: 150px;
  height: 150px;
  border-radius: var(--radius-pill);
  background: var(--color-accent-haze);
  content: "";
}

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

.promo-brand {
  color: var(--color-accent-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
}

.promo-block h2 {
  margin: 8px 0;
  font-size: clamp(28px, 4vw, 42px);
}

.feature-browser {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 18px;
}

.feature-tabs {
  display: grid;
  align-content: start;
  gap: 7px;
}

.feature-tab {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 11px;
  align-items: center;
  min-height: 54px;
  padding: 10px 13px;
  border: 0;
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  color: var(--color-muted);
  cursor: pointer;
  text-align: left;
}

.feature-tab::before {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: var(--radius-pill);
  background: var(--color-border);
  content: "";
}

.feature-tab[aria-selected="true"] {
  background: var(--color-panel-raised);
  color: var(--color-text);
}

.feature-tab[aria-selected="true"]::before {
  background: var(--color-accent);
  box-shadow: 0 0 12px var(--color-accent);
}

.feature-code {
  color: var(--color-accent-soft);
  font-family: var(--font-mono);
  font-size: 11px;
}

.feature-detail {
  min-height: 350px;
  padding: clamp(26px, 5vw, 48px);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-low);
}

.feature-fact {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--color-rule);
  color: var(--color-accent-soft);
  font-family: var(--font-mono);
  font-size: 12px;
}

.cta-band {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  padding: clamp(30px, 5vw, 50px);
  border-radius: var(--radius-lg);
  background: var(--color-panel-raised);
  box-shadow: var(--shadow-high);
}

.cta-band::before {
  position: absolute;
  top: -18px;
  right: 12%;
  width: 20px;
  height: 17px;
  background: var(--color-warning);
  clip-path: polygon(0 0, 100% 30%, 22% 100%);
  content: "";
}

.hero-shell {
  position: relative;
  padding-top: 26px;
  padding-bottom: 38px;
  text-align: center;
}

.hero-glow {
  position: absolute;
  z-index: 0;
  top: 290px;
  left: 50%;
  width: min(1100px, 140vw);
  height: 620px;
  background: radial-gradient(closest-side, var(--color-accent-haze), transparent 72%);
  pointer-events: none;
  transform: translateX(-50%);
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.hero-copy .badge {
  margin-bottom: 15px;
}

.hero-copy h1 {
  margin-bottom: 20px;
}

.hero-copy .button-row {
  justify-content: center;
}

.hero-copy .lead {
  margin: 20px auto 0;
}

.trust-row,
.route-flag-row,
.platform-strip {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 9px 24px;
  margin: 15px auto 0;
  padding: 0;
  list-style: none;
  color: var(--color-muted);
  font-size: 13px;
}

.trust-row li,
.route-flag-row li,
.platform-strip li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.trust-mark {
  width: 13px;
  height: 13px;
  flex: 0 0 auto;
  color: var(--color-success);
}

.route-label,
.platform-label {
  color: var(--color-accent-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
}

.route-line,
.platform-line {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  margin-top: 20px;
}

.flag-icon {
  width: 28px;
  height: 20px;
  flex: 0 0 auto;
  overflow: hidden;
  border-radius: var(--radius-xs);
  box-shadow: var(--shadow-low);
}

.corridor-frame {
  position: relative;
  z-index: 2;
  width: min(1000px, calc(100% - 32px));
  margin: 16px auto 0;
  overflow: hidden;
  border-radius: 16px;
  background: var(--color-deep);
  box-shadow: var(--shadow-high);
}

.corridor-svg {
  width: 100%;
  height: auto;
}

.platform-line {
  position: relative;
  z-index: 2;
  margin-top: 17px;
  padding-inline: var(--gutter);
}

.platform-strip {
  margin: 0;
}

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

.preview-section {
  padding-top: 78px;
  padding-bottom: 78px;
}

.preview-title-row {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 34px;
}

.preview-note {
  max-width: 560px;
  color: var(--color-muted);
}

.preview-hero {
  position: relative;
}

.preview-static-header {
  background: var(--color-bg);
}

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

.swatch {
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  box-shadow: var(--shadow-low);
}

.swatch-color {
  height: 82px;
}

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

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

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

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

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

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

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

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

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

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

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

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

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

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

.type-specimen {
  display: grid;
  gap: 18px;
  padding: clamp(24px, 5vw, 44px);
  border-radius: var(--radius-md);
  background: var(--color-panel);
}

.type-display {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 64px);
  line-height: 1.1;
}

.type-body {
  max-width: 760px;
  color: var(--color-muted);
  font-size: 18px;
}

.type-mono {
  color: var(--color-accent-soft);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.button-specimen {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}

.preview-table {
  margin-top: 24px;
}

.preview-footer {
  margin-top: 80px;
}

.svg-bg {
  fill: var(--color-deep);
}

.svg-ceiling {
  fill: var(--color-deepest);
}

.svg-floor {
  fill: var(--color-panel);
  opacity: 0.42;
}

.svg-walk {
  fill: var(--color-deepest);
  opacity: 0.55;
}

.svg-line {
  fill: none;
  stroke: var(--color-border);
  stroke-width: 1;
  opacity: 0.48;
}

.svg-rack-a {
  fill: var(--color-panel-raised);
}

.svg-rack-b {
  fill: var(--color-panel);
}

.svg-rack-c {
  fill: var(--color-rack);
}

.svg-rack-d {
  fill: var(--color-rack-dark);
}

.svg-rack-e {
  fill: var(--color-rack-far);
}

.svg-led {
  fill: none;
  stroke: var(--color-accent);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 0 11;
}

.svg-led-small {
  fill: none;
  stroke: var(--color-accent);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-dasharray: 0 8;
}

.svg-pink {
  fill: var(--color-pink);
}

.svg-yellow {
  fill: var(--color-warning);
}

.svg-orange {
  fill: var(--color-orange);
}

.svg-green {
  fill: var(--color-success);
}

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

.svg-plate-title {
  fill: var(--color-bg);
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 700;
}

.svg-plate-code {
  fill: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 7px;
}

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

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

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

@media (max-width: 900px) {
  .pricing-grid,
  .article-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

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

  .feature-tab {
    grid-template-columns: auto minmax(0, 1fr);
  }

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

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

  .feature-tabs {
    display: flex;
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .feature-tab {
    min-width: 180px;
    flex: 0 0 auto;
  }

  .promo-block,
  .cta-band {
    grid-template-columns: minmax(0, 1fr);
    align-items: flex-start;
    flex-direction: column;
  }

  .promo-block .btn-primary,
  .cta-band .btn-primary {
    width: 100%;
  }

  .preview-title-row {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .route-line,
  .platform-line {
    gap: 12px;
  }

  .route-label,
  .platform-label {
    width: 100%;
  }

  .route-flag-row,
  .platform-strip {
    gap: 12px 16px;
  }

  .corridor-frame {
    width: calc(100% - 20px);
  }
}