.tabs {
  min-width: 0;
}

.tab-list {
  display: inline-flex;
  max-width: 100%;
  gap: 6px;
  overflow-x: auto;
  padding: 6px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.tab-list [role="tab"] {
  min-width: max-content;
  min-height: 42px;
  padding: 9px 20px;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--color-muted);
}

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

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

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

.toc-tabs {
  position: sticky;
  z-index: 30;
  top: 12px;
  display: flex;
  max-width: 100%;
  gap: 7px;
  overflow-x: auto;
  padding: 7px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  box-shadow: 0 14px 34px var(--color-shadow);
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

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

.toc-tabs a {
  min-width: max-content;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 8px 17px;
  border-radius: var(--radius-pill);
  color: var(--color-muted);
}

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

body:has(.toc-tabs) section[id] {
  scroll-margin-top: var(--toc-offset);
}

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

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

.faq-item summary {
  position: relative;
  min-height: 58px;
  padding: 17px 54px 17px 20px;
  color: var(--color-text);
  cursor: pointer;
  font-weight: 600;
  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);
  content: "+";
  font-family: var(--font-mono);
  font-size: 22px;
  transform: translateY(-50%);
  transition: transform var(--transition-fast);
}

.faq-item[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
}

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

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

.plan-card {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 30px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
  box-shadow: 0 18px 50px var(--color-shadow);
  transform-style: preserve-3d;
}

.plan-card.is-featured,
.plan-card.is-current {
  border-color: var(--color-accent);
  background: var(--color-panel-raised);
  box-shadow:
    0 0 0 1px var(--color-accent-dark),
    0 22px 70px var(--color-accent-glow);
}

.plan-badge {
  position: absolute;
  top: 18px;
  right: 18px;
  display: inline-flex;
  max-width: calc(100% - 36px);
  min-height: 28px;
  align-items: center;
  overflow: hidden;
  padding: 4px 11px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-bg);
  font-size: 12px;
  font-weight: 700;
}

.plan-name {
  padding-right: 72px;
  font-family: var(--font-display);
  font-size: 27px;
}

.plan-price {
  margin: 24px 0 8px;
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: clamp(35px, 4vw, 48px);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.plan-period,
.plan-note {
  color: var(--color-muted);
}

.plan-features {
  display: grid;
  gap: 10px;
  margin: 24px 0 28px;
  padding: 0;
  color: var(--color-muted);
  list-style: none;
}

.plan-features li {
  display: flex;
  gap: 9px;
}

.plan-features li::before {
  flex: 0 0 auto;
  color: var(--color-success);
  content: "✓";
}

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

.table-scroll {
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  -webkit-overflow-scrolling: touch;
}

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

.data-table th,
.data-table td,
.route-table th,
.route-table td,
.comparison-table th,
.comparison-table td {
  padding: 15px 18px;
  border-bottom: 1px solid var(--color-hairline);
  text-align: left;
  vertical-align: middle;
}

.data-table th,
.route-table th,
.comparison-table th {
  background: var(--color-panel-raised);
  color: var(--color-text);
  font-size: 13px;
  letter-spacing: .04em;
}

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

.route-group-row th {
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: 18px;
}

.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: 16px;
}

.platform-card {
  display: flex;
  min-width: 0;
  min-height: 210px;
  align-items: center;
  flex-direction: column;
  padding: 25px 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
  text-align: center;
}

.platform-icon {
  display: grid;
  width: 54px;
  height: 54px;
  flex: 0 0 auto;
  place-items: center;
  margin-bottom: 18px;
  border-radius: var(--radius-md);
  background: var(--color-panel-raised);
  color: var(--color-accent);
}

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

.platform-name {
  margin-bottom: 18px;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: 20px;
}

.platform-card .btn {
  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: 26px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

.article-card h3 {
  font-size: 25px;
}

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

.article-card > a:last-child {
  min-height: 30px;
  margin-top: auto;
  color: var(--color-accent);
}

.callout {
  position: relative;
  margin-block: 28px;
  padding: 22px 24px 22px 28px;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: var(--color-panel);
  color: var(--color-muted);
}

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

.promo-block {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: center;
  overflow: clip;
  margin-top: 64px;
  padding: clamp(28px, 5vw, 54px);
  border: 1px solid var(--color-accent-dark);
  border-radius: var(--radius-xl);
  background: var(--color-panel-raised);
  box-shadow: 0 22px 70px var(--color-accent-glow);
}

.promo-block::after {
  position: absolute;
  right: -80px;
  bottom: -100px;
  width: 280px;
  height: 280px;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-pill);
  content: "";
  opacity: .18;
  pointer-events: none;
}

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

.promo-brand {
  margin-bottom: 8px;
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: 18px;
}

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

.feature-browser {
  display: grid;
  grid-template-columns: minmax(220px, .75fr) minmax(0, 1.8fr);
  gap: 26px;
}

.feature-index {
  display: grid;
  align-content: start;
}

.feature-index button {
  position: relative;
  min-height: 58px;
  padding: 14px 16px 14px 32px;
  background: transparent;
  color: var(--color-muted);
  text-align: left;
  transition:
    color var(--transition-fast),
    transform var(--transition-fast);
}

.feature-index button::before {
  position: absolute;
  top: 14px;
  bottom: 14px;
  left: 8px;
  width: 2px;
  border-radius: var(--radius-pill);
  background: var(--color-border);
  content: "";
}

.feature-index button.is-active {
  color: var(--color-text);
  transform: translateX(5px);
}

.feature-index button.is-active::before {
  background: var(--color-accent);
  box-shadow: 0 0 14px var(--color-accent);
}

.feature-number {
  margin-right: 8px;
  color: var(--color-accent);
  font-family: var(--font-display);
}

.feature-detail {
  min-height: 360px;
  padding: clamp(28px, 5vw, 56px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-panel);
  box-shadow: var(--shadow-panel);
}

.feature-fact {
  margin-top: 30px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.hero-preview {
  position: relative;
  min-height: calc(100svh - var(--header-height));
  display: flex;
  align-items: center;
  overflow-x: clip;
}

.hero-preview::before {
  position: absolute;
  width: 860px;
  height: 860px;
  left: -220px;
  top: 50%;
  border-radius: var(--radius-pill);
  background: radial-gradient(circle, var(--color-green-glow), transparent 64%);
  content: "";
  pointer-events: none;
  transform: translateY(-50%);
}

.hero-preview-grid {
  position: relative;
  z-index: 2;
  display: grid;
  width: 100%;
  grid-template-columns: 47% 53%;
  gap: 24px;
  align-items: center;
  padding-top: 24px;
  padding-bottom: 40px;
}

.hero-visual {
  position: relative;
  display: grid;
  min-width: 0;
  place-items: center;
}

.hero-compass {
  width: min(540px, 60svh);
  height: auto;
}

.compass-face {
  fill: var(--color-panel);
  opacity: .42;
}

.compass-ring {
  fill: none;
  stroke: var(--color-ring);
  stroke-width: 1;
}

.compass-ring-soft {
  fill: none;
  stroke: var(--color-ring-soft);
  stroke-width: 1;
}

.compass-ticks {
  fill: none;
  stroke: var(--color-ring);
  stroke-width: 10;
  stroke-dasharray: 1.5 13.6;
  opacity: .75;
}

.compass-route {
  fill: none;
  stroke: var(--color-accent);
  stroke-width: 1.5;
  stroke-linecap: round;
  opacity: .52;
}

.compass-node-outer {
  fill: var(--color-bg);
  stroke: var(--color-ring);
  stroke-width: 1.4;
}

.compass-node-inner {
  fill: var(--color-accent);
}

.compass-plate {
  fill: var(--color-panel-raised);
  stroke: var(--color-border);
}

.compass-label {
  fill: var(--color-text);
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 1px;
}

.compass-direction {
  fill: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  opacity: .62;
}

.compass-halo {
  fill: var(--color-accent);
  opacity: .12;
}

.compass-badge {
  fill: var(--color-accent);
}

.compass-shield {
  fill: none;
  stroke: var(--color-text);
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.hero-copy {
  min-width: 0;
  max-width: 640px;
  padding-left: 12px;
}

.hero-copy .eyebrow {
  margin-bottom: 26px;
}

.hero-copy h1 {
  margin-bottom: 22px;
  font-size: 56px;
  line-height: 1.22;
}

.hero-lede {
  max-width: 560px;
  color: var(--color-muted);
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin: 22px 0;
  padding: 0 0 22px;
  border-bottom: 1px solid var(--color-hairline);
  color: var(--color-muted);
  font-size: 14px;
  list-style: none;
}

.hero-trust li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.hero-trust li::before {
  flex: 0 0 auto;
  color: var(--color-success);
  content: "✓";
}

.platform-strip,
.flag-strip {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 18px;
  overflow-x: auto;
  padding-block: 5px;
  color: var(--color-muted);
  scrollbar-width: none;
}

.platform-strip::-webkit-scrollbar,
.flag-strip::-webkit-scrollbar {
  display: none;
}

.strip-label {
  min-width: max-content;
  color: var(--color-muted);
  font-size: 12px;
  letter-spacing: .12em;
}

.platform-mark,
.flag-mark {
  display: inline-flex;
  min-width: max-content;
  align-items: center;
  gap: 7px;
  font-size: 13px;
}

.platform-mark svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

.flag-mark svg {
  width: 28px;
  height: 18px;
  flex: 0 0 auto;
  overflow: hidden;
  border-radius: 3px;
  box-shadow: 0 0 0 1px var(--color-hairline);
}

.preview-main {
  overflow-x: clip;
}

.preview-section {
  padding-top: 92px;
  padding-bottom: 92px;
  border-top: 1px solid var(--color-hairline);
}

.preview-title {
  margin-bottom: 40px;
}

.preview-subtitle {
  color: var(--color-muted);
  font-size: 18px;
}

.swatch-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

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

.swatch-color {
  height: 88px;
}

.swatch-color--bg { background: var(--color-bg); }
.swatch-color--panel { background: var(--color-panel); }
.swatch-color--raised { background: var(--color-panel-raised); }
.swatch-color--border { background: var(--color-border); }
.swatch-color--accent { background: var(--color-accent); }
.swatch-color--accent-dark { background: var(--color-accent-dark); }
.swatch-color--text { background: var(--color-text); }
.swatch-color--muted { background: var(--color-muted); }
.swatch-color--success { background: var(--color-success); }
.swatch-color--warn { background: var(--color-warn); }
.swatch-color--error { background: var(--color-error); }

.swatch-label {
  display: grid;
  gap: 2px;
  padding: 13px;
  color: var(--color-muted);
  font-size: 13px;
}

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

.type-specimen {
  display: grid;
  gap: 28px;
}

.type-display {
  font-family: var(--font-display);
  font-size: clamp(42px, 6vw, 70px);
  line-height: 1.1;
}

.type-body,
.type-mono {
  color: var(--color-muted);
}

.type-mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

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

.preview-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-panel);
}

.preview-footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 36px;
  padding-top: 58px;
  padding-bottom: 58px;
}

@media (max-width: 1000px) {
  .platform-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .hero-visual {
    order: 2;
  }

  .hero-copy {
    order: 1;
    max-width: 760px;
    padding-left: 0;
  }
}

@media (max-width: 768px) {
  .pricing-grid,
  .article-grid,
  .feature-browser {
    grid-template-columns: 1fr;
  }

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

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

  .hero-preview {
    min-height: auto;
  }

  .hero-preview-grid {
    padding-top: 48px;
    padding-bottom: 58px;
  }

  .hero-copy h1 {
    font-size: clamp(32px, 9.5vw, 40px);
  }

  .hero-compass {
    width: min(500px, 92vw);
  }

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

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

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

  .toc-tabs {
    border-radius: var(--radius-md);
  }

  .plan-card,
  .article-card,
  .platform-card,
  .feature-detail {
    transform: none;
  }

  .hero-trust {
    align-items: flex-start;
    flex-direction: column;
  }

  .platform-strip,
  .flag-strip {
    padding-bottom: 9px;
  }

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