.badge,
.tag,
.status-chip {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  gap: 7px;
  max-width: 100%;
  padding: 4px 11px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-text-muted);
  font-size: 13px;
  font-weight: 650;
  line-height: 1.4;
}

.badge-accent {
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
}

.badge-dot::before,
.status-chip::before {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  content: "";
}

.status-chip.is-success::before {
  background: var(--color-success);
}

.tab-shell {
  max-width: 100%;
}

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

.tab-list [role="tab"] {
  min-width: 90px;
  min-height: 42px;
  padding: 8px 17px;
  border: 1px solid var(--color-transparent);
  border-radius: var(--radius-sm);
  background: var(--color-transparent);
  color: var(--color-text-muted);
  font-weight: 700;
  white-space: nowrap;
}

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

.tab-list [role="tab"][aria-selected="true"],
.tab-list [role="tab"].is-active {
  border-color: var(--color-border);
  background: var(--color-panel);
  color: var(--color-accent-dark);
  box-shadow: 0 5px 14px var(--color-ink-05);
}

.tab-panel {
  padding-top: 26px;
}

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

.toc-tabs {
  position: sticky;
  z-index: 40;
  top: calc(var(--header-height) + 8px);
  display: flex;
  max-width: 100%;
  gap: 8px;
  padding: 8px;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-soft);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.toc-tabs a {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  flex: 0 0 auto;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  font-size: 14px;
  font-weight: 650;
  white-space: nowrap;
}

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

.toc-sticky-host {
  position: sticky;
  z-index: 39;
}

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

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

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: 0 7px 20px var(--color-ink-05);
}

.faq-item summary {
  position: relative;
  display: flex;
  min-height: 58px;
  align-items: center;
  padding: 16px 52px 16px 20px;
  color: var(--color-text);
  font-weight: 750;
  cursor: pointer;
  list-style: none;
}

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

.faq-item summary::after {
  position: absolute;
  right: 19px;
  display: grid;
  width: 26px;
  height: 26px;
  place-items: center;
  border-radius: var(--radius-pill);
  background: var(--color-panel-strong);
  color: var(--color-accent-dark);
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
}

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

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

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

.plan-card.is-featured {
  border-color: var(--color-accent);
  background: linear-gradient(160deg, var(--color-panel), var(--color-accent-faint));
  box-shadow: var(--shadow-card);
}

.plan-ribbon {
  position: absolute;
  top: 14px;
  right: 14px;
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 12px;
  font-weight: 800;
}

.plan-period {
  margin-bottom: 8px;
  color: var(--color-text-muted);
  font-size: 14px;
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: 7px;
  margin: 15px 0;
}

.plan-price strong {
  font-family: var(--font-mono);
  font-size: 38px;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.plan-price span {
  color: var(--color-text-muted);
  font-size: 14px;
}

.plan-features {
  display: grid;
  gap: 10px;
  padding: 20px 0;
  list-style: none;
}

.plan-features li {
  position: relative;
  padding-left: 22px;
  color: var(--color-text-muted);
}

.plan-features li::before {
  position: absolute;
  left: 0;
  color: var(--color-success);
  content: "✓";
  font-weight: 800;
}

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

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

.data-table,
.route-table,
.compare-table {
  width: 100%;
  min-width: 700px;
  background: var(--color-panel);
}

.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-border);
  vertical-align: top;
}

.data-table th,
.route-table th,
.compare-table th {
  background: var(--color-panel-strong);
  color: var(--color-text);
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.data-table td:first-child,
.route-table td: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-row th {
  background: var(--color-text);
  color: var(--color-panel);
  font-family: var(--font-mono);
  letter-spacing: .04em;
}

.prose > .data-table {
  display: block;
  min-width: 0;
  max-width: 100%;
  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: 190px;
  align-items: flex-start;
  flex-direction: column;
  padding: 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: 0 9px 22px var(--color-ink-05);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

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

.platform-icon {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  flex: 0 0 auto;
  margin-bottom: 18px;
  border-radius: var(--radius-sm);
  background: var(--color-panel-strong);
  color: var(--color-text-muted);
}

.platform-icon svg {
  width: 23px;
  height: 23px;
}

.platform-card h3 {
  margin-bottom: 6px;
  font-size: 18px;
}

.platform-card p {
  margin-bottom: 18px;
  color: var(--color-text-muted);
  font-size: 13px;
}

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

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

.article-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: 0 8px 22px var(--color-ink-05);
}

.article-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin-bottom: 16px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

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

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

.article-card-link {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  margin-top: auto;
  padding-top: 12px;
  color: var(--color-accent-dark);
  font-weight: 750;
}

.callout {
  position: relative;
  margin: 30px 0;
  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-strong);
  color: var(--color-text-muted);
}

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

.promo-block {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: center;
  margin-top: 64px;
  padding: 34px;
  overflow-x: clip;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(360px 180px at 86% 20%, var(--color-accent-soft), var(--color-transparent)),
    repeating-linear-gradient(115deg, var(--color-line-faint) 0 1px, var(--color-transparent) 1px 8px),
    var(--color-panel);
  box-shadow: var(--shadow-soft);
}

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

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

.float-cta {
  position: fixed;
  z-index: 90;
  right: 28px;
  bottom: calc(28px + env(safe-area-inset-bottom, 0px));
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  gap: 9px;
  padding: 11px 22px;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-white);
  box-shadow: var(--shadow-button);
  font-size: 14px;
  font-weight: 800;
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.float-cta:hover {
  transform: translateY(-2px);
  background: var(--color-accent-dark);
}

.float-cta svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

body:has(.float-cta)::after {
  display: block;
  height: calc(88px + env(safe-area-inset-bottom, 0px));
  content: "";
}

.hero-preview {
  position: relative;
  overflow-x: clip;
  background:
    radial-gradient(720px 420px at 18% 6%, var(--color-white-wash), var(--color-transparent) 70%),
    radial-gradient(640px 380px at 76% 88%, var(--color-accent-faint), var(--color-transparent) 72%),
    repeating-linear-gradient(0deg, var(--color-line-faint) 0 1px, var(--color-transparent) 1px 52px),
    repeating-linear-gradient(90deg, var(--color-line-faint) 0 1px, var(--color-transparent) 1px 52px);
}

.hero-copy {
  position: relative;
  z-index: 2;
  padding-top: 30px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  max-width: 100%;
  padding: 6px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-text-muted);
  font-size: 13px;
  font-weight: 650;
}

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

.hero-title {
  margin: 16px 0 20px;
  font-size: clamp(52px, 5vw, 68px);
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-bottom: 18px;
}

.hero-description {
  margin-bottom: 12px;
  color: var(--color-text-muted);
  font-size: 16px;
}

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

.trust-line {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 18px;
  margin-bottom: 16px;
  color: var(--color-text-muted);
  font-size: 13px;
}

.trust-line span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

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

.platform-line {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 25px;
  margin-bottom: 12px;
}

.platform-line span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--color-text-muted);
  font-size: 13px;
  font-weight: 550;
}

.platform-line svg {
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
}

.flag-line {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.flag-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px 5px 7px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-text);
  font-size: 13px;
  font-weight: 650;
}

.flag-box {
  width: 23px;
  height: 16px;
  overflow: hidden;
  flex: 0 0 auto;
  border: 1px solid var(--color-border);
  border-radius: 3px;
}

.flag-box svg {
  width: 100%;
  height: 100%;
}

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

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

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

.flag-stroke-white {
  fill: none;
  stroke: var(--color-flag-white);
}

.flag-stroke-red {
  fill: none;
  stroke: var(--color-flag-red);
}

.fact-band {
  position: relative;
  z-index: 2;
  margin-top: 20px;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-panel);
}

.fact-band-inner {
  display: flex;
  justify-content: center;
}

.fact-item {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 16px 44px;
}

.fact-item + .fact-item::before {
  position: absolute;
  top: 18px;
  bottom: 18px;
  left: 0;
  width: 1px;
  background: var(--color-border);
  content: "";
}

.fact-value {
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 750;
  font-variant-numeric: tabular-nums;
}

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

.hero-device {
  position: relative;
  z-index: 2;
  width: 790px;
  max-width: calc(100% - (var(--gutter) * 2));
  height: 346px;
  margin: 22px auto 0;
}

.keycard {
  position: absolute;
  top: 66px;
  left: 26px;
  display: flex;
  width: 336px;
  height: 204px;
  flex-direction: column;
  padding: 22px 24px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: linear-gradient(158deg, var(--color-panel) 12%, var(--color-panel-strong) 100%);
  box-shadow: var(--shadow-card);
  transform: rotate(-6deg);
  animation: keycard-float 7s ease-in-out infinite;
}

.keycard::before {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(115deg, var(--color-line-faint) 0 1px, var(--color-transparent) 1px 6px);
  content: "";
  pointer-events: none;
}

.keycard-top,
.keycard-bottom {
  position: relative;
  display: flex;
  justify-content: space-between;
}

.keycard-brand {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
}

.keycard-tag {
  padding: 3px 8px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  background: var(--color-panel);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .2em;
}

.card-chip {
  position: relative;
  display: grid;
  width: 40px;
  height: 31px;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin-top: 18px;
}

.card-chip i {
  border-radius: 2px;
  background: linear-gradient(145deg, var(--color-accent), var(--color-accent-dark));
}

.keycard-number {
  position: relative;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 650;
  letter-spacing: .14em;
}

.keycard-bottom {
  margin-top: auto;
  align-items: flex-end;
  color: var(--color-text-muted);
  font-size: 11px;
}

.sensor-arcs {
  position: absolute;
  top: 94px;
  left: 392px;
  width: 76px;
  height: 160px;
}

.sensor-arcs path {
  fill: none;
  stroke: var(--color-accent);
  stroke-linecap: round;
  animation: sensor-breathe 3s ease-in-out infinite;
}

.sensor-arcs path:nth-child(2) {
  animation-delay: .35s;
}

.sensor-arcs path:nth-child(3) {
  animation-delay: .7s;
}

.card-reader {
  position: absolute;
  top: 8px;
  right: 0;
  width: 322px;
  padding: 14px 14px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel-strong);
  box-shadow: var(--shadow-soft);
}

.reader-heading {
  display: flex;
  justify-content: space-between;
  padding: 0 4px 10px;
  font-size: 12px;
  font-weight: 750;
}

.reader-heading span:last-child {
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
}

.reader-plate {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
}

.reader-plate + .reader-plate {
  margin-top: 8px;
}

.reader-flag {
  display: grid;
  width: 24px;
  height: 17px;
  place-items: center;
  overflow: hidden;
  flex: 0 0 auto;
  border: 1px solid var(--color-border);
  border-radius: 3px;
  background: var(--color-panel-strong);
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 800;
}

.reader-name {
  font-size: 13px;
  font-weight: 650;
}

.reader-code {
  margin-left: auto;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
}

.unlock-dot {
  width: 9px;
  height: 9px;
  flex: 0 0 auto;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft), 0 0 10px var(--color-accent-glow);
  animation: unlock-light 3s ease-in-out infinite;
}

.reader-plate:nth-child(3) .unlock-dot {
  animation-delay: .45s;
}

.reader-plate:nth-child(4) .unlock-dot {
  animation-delay: .9s;
}

.reader-plate:nth-child(5) .unlock-dot {
  animation-delay: 1.35s;
}

.reader-plate:nth-child(6) .unlock-dot {
  animation-delay: 1.8s;
}

@keyframes unlock-light {
  0%,
  100% {
    opacity: .16;
  }

  8%,
  52% {
    opacity: 1;
  }

  64% {
    opacity: .16;
  }
}

@keyframes sensor-breathe {
  0%,
  100% {
    opacity: .22;
  }

  45% {
    opacity: .85;
  }
}

@keyframes keycard-float {
  0%,
  100% {
    transform: rotate(-6deg) translateY(0);
  }

  50% {
    transform: rotate(-6deg) translateY(-8px);
  }
}

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

.preview-label {
  margin-bottom: 12px;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .08em;
  text-transform: uppercase;
}

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

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

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

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

.color-swatch-sample {
  height: 76px;
}

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

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

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

.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-text-muted);
}

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

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

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

.color-swatch code {
  display: block;
  padding: 10px;
  border: 0;
  background: var(--color-panel);
  font-size: 11px;
}

.type-specimen {
  display: grid;
  gap: 22px;
  padding: 30px;
}

.type-display-sample {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 62px);
  font-weight: 800;
  line-height: 1.08;
}

.type-body-sample {
  max-width: 680px;
  color: var(--color-text-muted);
  font-size: 18px;
}

.type-mono-sample {
  font-family: var(--font-mono);
  font-size: 14px;
}

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

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

@media (max-width: 1080px) {
  .platform-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .preview-color-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .hero-device {
    display: flex;
    width: 100%;
    height: auto;
    align-items: center;
    flex-direction: column;
    gap: 22px;
  }

  .keycard,
  .card-reader {
    position: relative;
    top: auto;
    right: auto;
    left: auto;
  }

  .keycard {
    transform: rotate(-4deg);
  }

  .sensor-arcs {
    display: none;
  }

  .pricing-grid,
  .article-grid {
    grid-template-columns: 1fr;
  }

  .fact-item {
    padding-inline: 24px;
  }
}

@media (max-width: 768px) {
  .hero-copy {
    padding-top: 26px;
  }

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

  .hero-actions,
  .trust-line,
  .platform-line,
  .flag-line {
    flex-wrap: wrap;
  }

  .fact-band-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .fact-item {
    justify-content: center;
    padding: 14px;
  }

  .fact-item + .fact-item::before {
    display: none;
  }

  .fact-item:nth-child(odd) {
    border-right: 1px solid var(--color-border);
  }

  .fact-item:nth-child(n + 3) {
    border-top: 1px solid var(--color-border);
  }

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

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

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

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

@media (max-width: 640px) {
  .tab-list {
    width: 100%;
  }

  .tab-list [role="tab"] {
    min-width: max-content;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .trust-line {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .platform-line {
    gap: 13px;
  }

  .flag-line {
    gap: 7px;
  }

  .flag-chip {
    padding-right: 9px;
  }

  .fact-item {
    align-items: center;
    flex-direction: column;
    gap: 2px;
    text-align: center;
  }

  .fact-value {
    font-size: 17px;
  }

  .keycard,
  .card-reader {
    width: 100%;
    max-width: 336px;
  }

  .keycard {
    transform: none;
  }

  .keycard-number {
    font-size: 14px;
    letter-spacing: .08em;
  }

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

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

  .float-cta {
    right: 16px;
    bottom: calc(16px + env(safe-area-inset-bottom, 0px));
    max-width: calc(100vw - 32px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .keycard,
  .unlock-dot,
  .sensor-arcs path {
    animation: none;
  }

  .unlock-dot {
    opacity: 1;
  }

  .sensor-arcs path {
    opacity: .6;
  }
}