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

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

.tab-list [role="tab"] {
  min-width: max-content;
  min-height: 42px;
  padding: 9px 18px;
  border: 1px solid transparent;
  border-radius: var(--radius-xs);
  color: var(--color-text-soft);
  background: transparent;
  font-weight: 700;
}

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

.tab-list [role="tab"][aria-selected="true"] {
  border-color: var(--color-line);
  color: var(--color-accent-deep);
  background: var(--color-panel);
  box-shadow: 0 1px 2px var(--color-shadow-soft);
}

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

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

.toc-tabs {
  position: sticky;
  top: 12px;
  z-index: 20;
  display: flex;
  width: min(100%, var(--content-max));
  margin-inline: auto;
  gap: 6px;
  padding: 7px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-inline: contain;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  box-shadow: 0 8px 24px var(--color-shadow-soft);
  scrollbar-width: thin;
}

.toc-tabs a {
  display: inline-flex;
  min-width: max-content;
  min-height: 40px;
  align-items: center;
  padding: 8px 14px;
  border-radius: var(--radius-xs);
  color: var(--color-text-soft);
  font-size: 14px;
  font-weight: 700;
}

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

.faq-item summary {
  position: relative;
  min-height: 58px;
  padding: 17px 52px 17px 20px;
  color: var(--color-text);
  font-weight: 800;
  list-style: none;
}

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

.faq-item summary::after {
  position: absolute;
  top: 50%;
  right: 20px;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-line);
  border-radius: 50%;
  color: var(--color-accent);
  content: "+";
  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-text-soft);
}

.pricing-grid {
  display: grid;
  align-items: stretch;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.price-card {
  position: relative;
  min-width: 0;
  padding: 30px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: 0 1px 2px var(--color-shadow-soft);
}

.price-card.is-featured {
  border-color: var(--color-accent);
  background:
    linear-gradient(color-mix(in srgb, var(--color-accent) 6%, transparent), transparent 38%),
    var(--color-panel);
  box-shadow: var(--shadow-panel);
}

.price-ribbon {
  position: absolute;
  top: 16px;
  right: 16px;
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 5px 10px;
  border-radius: var(--radius-pill);
  color: var(--color-panel);
  background: var(--color-accent);
  font-size: 12px;
  font-weight: 800;
}

.price-name {
  padding-right: 76px;
  font-size: 19px;
  font-weight: 800;
}

.price-value {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-top: 22px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.price-number {
  color: var(--color-accent-deep);
  font-size: clamp(34px, 4vw, 46px);
  font-weight: 800;
  line-height: 1;
}

.price-cycle {
  color: var(--color-text-soft);
  font-size: 13px;
}

.price-note {
  min-height: 48px;
  margin-top: 12px;
  color: var(--color-text-soft);
  font-size: 14px;
}

.price-features {
  display: grid;
  gap: 9px;
  margin: 22px 0;
}

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

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

.price-card .btn,
.price-card .btn-primary,
.price-card .btn-secondary {
  width: 100%;
}

.table-scroll {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-inline: contain;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
}

.data-table,
.route-table,
.compare-table {
  width: 100%;
  min-width: 680px;
  background: var(--color-panel);
}

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

.data-table th,
.route-table th,
.compare-table th {
  color: var(--color-text);
  background: var(--color-panel-soft);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .03em;
}

.data-table th:first-child,
.data-table td:first-child,
.route-table th:first-child,
.route-table td:first-child,
.compare-table th:first-child,
.compare-table td:first-child {
  color: var(--color-text);
  font-weight: 700;
}

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

.route-group td {
  color: var(--color-accent-deep);
  background: color-mix(in srgb, var(--color-accent) 7%, var(--color-panel));
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
}

.route-type {
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  padding: 4px 9px;
  border: 1px solid color-mix(in srgb, var(--color-accent) 30%, transparent);
  border-radius: var(--radius-pill);
  color: var(--color-accent-deep);
  background: color-mix(in srgb, var(--color-accent) 9%, transparent);
  font-family: var(--font-mono);
  font-size: 11px;
  white-space: nowrap;
}

.prose > .data-table {
  display: block;
  width: 100%;
  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;
  min-height: 210px;
  align-items: flex-start;
  flex-direction: column;
  padding: 22px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-panel);
}

.platform-mark {
  width: 46px;
  height: 46px;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  margin-bottom: 24px;
  border-radius: var(--radius-sm);
  color: var(--color-accent);
  background: var(--color-panel-soft);
}

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

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

.platform-card p {
  margin: 7px 0 20px;
  color: var(--color-text-soft);
  font-size: 13px;
}

.platform-card .btn,
.platform-card .btn-secondary {
  width: 100%;
  min-height: 40px;
  margin-top: auto;
  padding: 9px 12px;
  font-size: 13px;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.article-card {
  display: flex;
  min-width: 0;
  min-height: 300px;
  flex-direction: column;
  padding: 25px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.article-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: 0 12px 28px var(--color-shadow-soft);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin-bottom: 22px;
  color: var(--color-text-soft);
  font-family: var(--font-mono);
  font-size: 12px;
}

.article-card h3 {
  font-size: 22px;
}

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

.article-link {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  margin-top: auto;
  padding-top: 20px;
  color: var(--color-accent-deep);
  font-weight: 800;
}

.callout {
  position: relative;
  padding: 20px 22px 20px 28px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  color: var(--color-text-soft);
  background: var(--color-panel-soft);
}

.callout::before {
  position: absolute;
  top: 18px;
  bottom: 18px;
  left: 12px;
  width: 3px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  content: "";
}

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

.promo-block {
  position: relative;
  display: grid;
  align-items: center;
  padding: clamp(28px, 5vw, 52px);
  overflow-x: clip;
  grid-template-columns: 1fr auto;
  gap: 28px;
  border: 1px solid var(--color-accent-deep);
  border-radius: var(--radius-md);
  color: var(--color-panel);
  background: var(--color-accent-deep);
  box-shadow: var(--shadow-panel);
}

.promo-block::after {
  position: absolute;
  width: 260px;
  height: 260px;
  right: -100px;
  bottom: -150px;
  border: 1px solid color-mix(in srgb, var(--color-panel) 28%, transparent);
  border-radius: 50%;
  content: "";
}

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

.promo-brand {
  margin-bottom: 8px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: .12em;
}

.promo-block h2 {
  color: var(--color-panel);
  font-size: clamp(28px, 4vw, 44px);
}

.promo-block p {
  max-width: 44em;
  margin-top: 10px;
  color: color-mix(in srgb, var(--color-panel) 78%, transparent);
}

.promo-block .btn-primary {
  position: relative;
  z-index: 1;
  border-color: var(--color-panel);
  color: var(--color-accent-deep);
  background: var(--color-panel);
  box-shadow: none;
}

.features-atlas {
  display: grid;
  grid-template-columns: minmax(210px, .72fr) minmax(0, 1.7fr);
  gap: 26px;
}

.chapter-index {
  display: grid;
  align-content: start;
  gap: 9px;
}

.chapter-button {
  display: grid;
  min-height: 66px;
  padding: 13px 15px;
  grid-template-columns: 36px 1fr;
  gap: 9px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  color: var(--color-text-soft);
  background: var(--color-panel);
  text-align: left;
}

.chapter-number {
  position: relative;
  padding-top: 2px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 11px;
}

.chapter-number::after {
  position: absolute;
  top: 22px;
  left: 0;
  width: 22px;
  height: 2px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  content: "";
}

.chapter-button[aria-selected="true"] {
  border-color: var(--color-accent-deep);
  color: var(--color-panel);
  background: var(--color-accent);
}

.chapter-button[aria-selected="true"] .chapter-number {
  color: var(--color-panel);
}

.chapter-button[aria-selected="true"] .chapter-number::after {
  background: var(--color-panel);
}

.chapter-detail {
  min-height: 360px;
  padding: clamp(28px, 5vw, 58px);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-panel);
}

.chapter-detail p {
  max-width: 54em;
  margin-top: 18px;
  color: var(--color-text-soft);
}

.chapter-detail .fact-chip {
  margin-top: 26px;
}

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

.hero-preview-inner {
  width: 100%;
  display: grid;
  align-items: center;
  padding-top: 44px;
  padding-bottom: 40px;
  grid-template-columns: 1.02fr 1fr;
  gap: 56px;
}

.hero-copy {
  position: relative;
  z-index: 3;
  min-width: 0;
}

.hero-copy h1 {
  margin-bottom: 22px;
}

.hero-copy .lead {
  margin-bottom: 22px;
  font-size: 16.5px;
}

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

.trust-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px 0;
  margin-bottom: 24px;
  color: var(--color-text-soft);
  font-size: 13px;
}

.trust-item::before {
  margin-right: 5px;
  color: var(--color-success);
  content: "✓";
}

.trust-separator {
  margin-inline: 10px;
  color: var(--color-line);
}

.platform-inline,
.flag-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 17px;
}

.platform-inline {
  margin-bottom: 13px;
}

.inline-label {
  flex: 0 0 auto;
  color: var(--color-text-soft);
  font-size: 11px;
  letter-spacing: .08em;
}

.platform-inline-item,
.flag-strip-item {
  display: inline-flex;
  min-width: 0;
  min-height: 28px;
  align-items: center;
  gap: 6px;
  color: var(--color-text-soft);
  font-size: 12px;
}

.platform-inline-item svg {
  width: 17px;
  height: 17px;
}

.flag-strip-item svg,
.flag-inline svg {
  width: 20px;
  height: 14px;
  flex: 0 0 auto;
  border-radius: 3px;
  box-shadow: 0 0 0 1px var(--color-line);
}

.flag-strip-item.flag-square svg {
  width: 14px;
  height: 14px;
}

.hero-device {
  position: relative;
  min-width: 0;
  display: flex;
  justify-content: center;
}

.hero-grid-decor {
  position: absolute;
  inset: -36px -20px;
  border-radius: 24px;
  background-image:
    linear-gradient(var(--color-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-grid) 1px, transparent 1px);
  background-size: 44px 44px;
  opacity: .55;
  pointer-events: none;
}

.hero-glow-decor {
  position: absolute;
  width: min(520px, 100%);
  height: 420px;
  left: 50%;
  top: 52%;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--color-warning) 14%, transparent), transparent 72%);
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.client-window {
  position: relative;
  width: 100%;
  max-width: 620px;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: 14px;
  background: var(--color-panel);
  box-shadow: var(--shadow-panel);
}

.window-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-line);
  background: color-mix(in srgb, var(--color-panel-soft) 45%, var(--color-panel));
}

.window-dot {
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--color-line);
}

.window-dot:first-child {
  border: 1px solid var(--color-line);
  background: var(--color-panel-soft);
}

.window-dot:last-of-type {
  background: color-mix(in srgb, var(--color-line) 70%, var(--color-text-soft));
}

.window-title {
  flex: 1;
  color: var(--color-text-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  text-align: center;
}

.window-balance {
  width: 44px;
}

.client-body {
  display: grid;
  grid-template-columns: 1fr .92fr;
}

.route-list {
  padding: 14px 0 12px;
  border-right: 1px solid var(--color-line);
}

.route-list-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 0 18px 10px;
  color: var(--color-text);
  font-size: 12px;
  font-weight: 800;
}

.route-count {
  color: var(--color-text-soft);
  font-family: var(--font-mono);
  font-size: 10px;
}

.device-route {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 9px;
  padding: 9px 15px;
  border-left: 3px solid transparent;
}

.device-route.is-active {
  border-left-color: var(--color-accent);
  background: color-mix(in srgb, var(--color-accent) 8%, transparent);
}

.device-route svg {
  width: 20px;
  height: 14px;
  flex: 0 0 auto;
  border-radius: 3px;
  box-shadow: 0 0 0 1px var(--color-line);
}

.device-route.route-square svg {
  width: 14px;
  height: 14px;
}

.device-route-name {
  min-width: 0;
  flex: 1;
  color: var(--color-text);
  font-size: 13px;
  font-weight: 700;
}

.type-pill {
  display: inline-flex;
  flex: 0 0 auto;
  min-height: 23px;
  align-items: center;
  padding: 3px 7px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  color: var(--color-text-soft);
  background: var(--color-panel-soft);
  font-family: var(--font-mono);
  font-size: 9px;
  white-space: nowrap;
}

.type-pill.is-iepl {
  border-color: color-mix(in srgb, var(--color-accent) 30%, transparent);
  color: var(--color-accent-deep);
  background: color-mix(in srgb, var(--color-accent) 10%, transparent);
}

.type-pill.is-relay {
  border-color: color-mix(in srgb, var(--color-warning) 30%, transparent);
  color: var(--color-warning);
  background: color-mix(in srgb, var(--color-warning) 9%, transparent);
}

.globe-side {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 20px 16px;
  background: color-mix(in srgb, var(--color-panel-soft) 24%, var(--color-panel));
}

.globe-drawing {
  position: relative;
  width: 212px;
  height: 212px;
  margin-bottom: 12px;
  color: var(--color-accent);
}

.globe-drawing::before {
  position: absolute;
  inset: 8%;
  border-radius: 50%;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--color-accent) 9%, transparent), transparent 74%);
  content: "";
}

.globe-drawing svg {
  position: relative;
  width: 212px;
  height: 212px;
}

.globe-line {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
}

.globe-soft-line {
  fill: none;
  stroke: currentColor;
  stroke-width: 1;
  opacity: .58;
}

.connection-row {
  display: flex;
  align-items: center;
  gap: 11px;
}

.connection-switch {
  position: relative;
  width: 46px;
  height: 26px;
  flex: 0 0 auto;
  border: 1px solid var(--color-accent-deep);
  border-radius: var(--radius-pill);
  background: var(--color-accent);
}

.connection-switch::after {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-panel);
  box-shadow: 0 1px 3px var(--color-shadow-mid);
  content: "";
}

.connection-copy {
  display: grid;
  gap: 1px;
}

.connection-state {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--color-text);
  font-size: 13px;
  font-weight: 800;
}

.connection-state::before {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--color-success);
  content: "";
}

.connection-note {
  color: var(--color-text-soft);
  font-family: var(--font-mono);
  font-size: 10px;
}

.stats-band {
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  background: color-mix(in srgb, var(--color-panel-soft) 50%, var(--color-page));
}

.stats-band-inner {
  display: flex;
  min-height: 82px;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.stat-cell {
  display: flex;
  min-width: 0;
  align-items: baseline;
  gap: 8px;
}

.stat-value {
  color: var(--color-accent-deep);
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 800;
}

.stat-label {
  color: var(--color-text-soft);
  font-size: 13px;
}

.stat-divider {
  width: 1px;
  height: 26px;
  flex: 0 0 auto;
  background: var(--color-line);
}

.preview-section {
  padding-top: 84px;
  padding-bottom: 84px;
}

.preview-heading {
  max-width: 760px;
  margin-bottom: 36px;
}

.preview-heading p {
  margin-top: 12px;
  color: var(--color-text-soft);
}

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

.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-page { background: var(--color-page); }
.swatch-color.is-panel { background: var(--color-panel); }
.swatch-color.is-panel-soft { background: var(--color-panel-soft); }
.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-text { background: var(--color-text); }
.swatch-color.is-text-soft { background: var(--color-text-soft); }
.swatch-color.is-success { background: var(--color-success); }
.swatch-color.is-warning { background: var(--color-warning); }

.swatch-label {
  display: grid;
  gap: 2px;
  padding: 12px;
}

.swatch-label strong {
  font-size: 13px;
}

.swatch-label code {
  color: var(--color-text-soft);
  font-size: 11px;
}

.type-specimen {
  display: grid;
  gap: 28px;
  padding: clamp(28px, 5vw, 54px);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-panel);
}

.type-specimen-row {
  display: grid;
  align-items: baseline;
  grid-template-columns: 150px 1fr;
  gap: 24px;
  border-bottom: 1px solid var(--color-line);
  padding-bottom: 24px;
}

.type-specimen-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.type-caption {
  color: var(--color-text-soft);
  font-family: var(--font-mono);
  font-size: 12px;
}

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

.preview-grid-two {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.preview-static-header {
  border-bottom: 1px solid var(--color-line);
  background: color-mix(in srgb, var(--color-panel) 82%, var(--color-page));
}

.preview-static-header .header-inner {
  max-width: var(--content-max);
}

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

.flag-red { fill: var(--color-flag-red); }
.flag-blue { fill: var(--color-flag-blue); }
.flag-white { fill: var(--color-flag-white); }
.flag-yellow { fill: var(--color-flag-yellow); }
.flag-accent { fill: var(--color-accent); }
.flag-stroke-white { stroke: var(--color-flag-white); }
.flag-stroke-red { stroke: var(--color-flag-red); }
.flag-none { fill: none; }

@media (max-width: 1040px) {
  .hero-preview {
    min-height: auto;
  }

  .hero-preview-inner {
    grid-template-columns: 1fr;
    gap: 52px;
  }

  .hero-copy {
    max-width: 720px;
  }

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

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

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

@media (max-width: 768px) {
  .pricing-grid,
  .article-grid,
  .features-atlas,
  .preview-grid-two {
    grid-template-columns: 1fr;
  }

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

  .chapter-index {
    gap: 8px;
  }

  .chapter-detail {
    min-height: 0;
  }

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

  .promo-block .btn-primary {
    justify-self: start;
  }

  .stats-band-inner {
    display: grid;
    padding-top: 18px;
    padding-bottom: 18px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stat-divider {
    display: none;
  }

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

  .type-specimen-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

@media (max-width: 640px) {
  .hero-preview-inner {
    padding-top: 34px;
    padding-bottom: 48px;
    gap: 40px;
  }

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

  .route-list {
    border-right: 0;
    border-bottom: 1px solid var(--color-line);
  }

  .device-route:nth-of-type(n + 6) {
    display: none;
  }

  .globe-drawing,
  .globe-drawing svg {
    width: 184px;
    height: 184px;
  }

  .hero-grid-decor {
    inset: -18px 0;
  }

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

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

  .price-card {
    padding: 24px;
  }

  .toc-tabs {
    top: 8px;
    border-radius: 0;
  }

  .preview-static-header .desktop-nav,
  .preview-static-header .language-picker {
    display: none;
  }

  .preview-static-header .header-tools {
    margin-left: auto;
  }
}