:root {
  --component-line-width: 1px;
  --plan-card-min: 260px;
  --platform-card-min: 210px;
  --article-card-min: 280px;
  --table-min-width: 760px;
  --network-table-min-width: 820px;
  --promo-max-width: 920px;
  --hero-stage-width: 930px;
  --hero-stage-height: 438px;
  --hero-window-width: 790px;
  --hero-window-height: 354px;
  --hero-sidebar-width: 168px;
  --hero-route-width: 184px;
  --dock-icon-size: 32px;
  --color-switch-knob: #070b12;
  --color-flag-red: #d86f68;
  --color-platform-blue: #72a5d6;
  --color-platform-green: #72b89a;
  --color-platform-amber: #d6b15b;
  --color-platform-silver: #a9b2bf;
}

.hero {
  position: relative;
  min-height: calc(900px - var(--nav-height));
  padding-top: 30px;
  overflow-x: clip;
  text-align: center;
  isolation: isolate;
}

.hero::before {
  position: absolute;
  z-index: -2;
  top: 6px;
  left: 50%;
  width: min(920px, 88vw);
  height: 510px;
  border: 1px solid var(--color-border-soft);
  border-radius: 50%;
  opacity: 0.55;
  transform: translateX(-50%);
  content: "";
  mask-image: linear-gradient(to bottom, var(--color-transparent), var(--color-bg) 24%, var(--color-transparent) 82%);
}

.hero-copy {
  position: relative;
  z-index: 5;
  width: min(calc(100% - (var(--gutter) * 2)), 1050px);
  margin-inline: auto;
}

.hero-copy h1 {
  max-width: 1040px;
  margin: 13px auto 0;
  font-size: clamp(50px, 4.45vw, 68px);
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 11px;
  margin-top: 17px;
}

.hero-summary {
  margin: 14px auto 0;
  color: var(--color-text-muted);
  font-size: 14px;
  line-height: 1.65;
}

.trust-row {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 8px auto 0;
  color: var(--color-text-dim);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.025em;
}

.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.trust-item + .trust-item::before {
  width: 1px;
  height: 10px;
  margin: 0 12px;
  flex: 0 0 auto;
  background: var(--color-border);
  content: "";
}

.trust-check {
  flex: 0 0 auto;
  color: var(--color-success);
}

.device-stage {
  position: relative;
  z-index: 3;
  width: min(var(--hero-stage-width), calc(100% - (var(--gutter) * 2)));
  height: var(--hero-stage-height);
  margin: 17px auto 0;
  padding: 22px 28px 26px;
  overflow: hidden;
  border: 1px solid var(--color-border-bright);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 23% 26%, var(--color-navy-faint), var(--color-transparent) 27%),
    radial-gradient(circle at 78% 68%, var(--color-accent-faint), var(--color-transparent) 24%),
    linear-gradient(145deg, var(--color-panel-3), var(--color-bg-deep) 58%, var(--color-panel));
  box-shadow: var(--shadow-scene), inset 0 1px 0 var(--color-border-bright);
}

.device-stage::before {
  position: absolute;
  top: -210px;
  right: -105px;
  width: 580px;
  height: 580px;
  border: 1px solid var(--color-border-soft);
  border-radius: 50%;
  box-shadow: 0 0 0 54px var(--color-grid), 0 0 0 108px var(--color-grid);
  content: "";
}

.device-stage::after {
  position: absolute;
  bottom: -166px;
  left: -92px;
  width: 470px;
  height: 310px;
  border: 1px solid var(--color-border-soft);
  border-radius: 50%;
  transform: rotate(-12deg);
  content: "";
}

.desktop-label {
  position: absolute;
  z-index: 1;
  top: 34px;
  right: 43px;
  color: var(--color-text-dim);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.app-window {
  position: relative;
  z-index: 4;
  width: min(var(--hero-window-width), 100%);
  height: var(--hero-window-height);
  margin-inline: auto;
  overflow: hidden;
  border: 1px solid var(--color-border-bright);
  border-radius: var(--radius-lg);
  background: var(--color-glass-strong);
  box-shadow: var(--shadow-window);
  backdrop-filter: blur(28px) saturate(130%);
}

.window-chrome {
  height: 43px;
  display: grid;
  grid-template-columns: var(--hero-sidebar-width) 1fr var(--hero-sidebar-width);
  align-items: center;
  border-bottom: 1px solid var(--color-border-soft);
  background: var(--color-glass-light);
}

.traffic-lights {
  display: flex;
  gap: 8px;
  padding-left: 17px;
}

.traffic-light {
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
  border-radius: var(--radius-pill);
  box-shadow: inset 0 0 0 1px var(--color-shadow-soft);
}

.traffic-light-red {
  background: var(--color-error);
}

.traffic-light-yellow {
  background: var(--color-window-yellow);
}

.traffic-light-green {
  background: var(--color-window-green);
}

.window-title {
  color: var(--color-text-muted);
  font-size: 11px;
  font-weight: 560;
  letter-spacing: 0.02em;
}

.toolbar-tools {
  display: flex;
  justify-content: flex-end;
  gap: 7px;
  padding-right: 14px;
}

.toolbar-chip {
  display: inline-flex;
  min-width: 27px;
  height: 25px;
  align-items: center;
  justify-content: center;
  padding: 0 8px;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-xs);
  color: var(--color-text-dim);
  background: var(--color-glass-light);
  font-family: var(--font-mono);
  font-size: 9px;
}

.window-body {
  height: calc(100% - 43px);
  display: grid;
  grid-template-columns: var(--hero-sidebar-width) 1fr;
}

.app-sidebar {
  position: relative;
  padding: 18px 12px;
  border-right: 1px solid var(--color-border-soft);
  background: var(--color-glass-light);
  text-align: left;
  backdrop-filter: blur(28px);
}

.sidebar-label {
  margin: 0 9px 10px;
  color: var(--color-text-dim);
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.sidebar-link {
  display: flex;
  height: 32px;
  align-items: center;
  gap: 9px;
  padding: 0 10px;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  font-size: 11px;
}

.sidebar-link-active {
  color: var(--color-text);
  background: var(--color-accent-faint);
  box-shadow: inset 0 0 0 1px var(--color-accent-faint);
}

.sidebar-icon {
  width: 16px;
  flex: 0 0 auto;
  color: var(--color-text-dim);
  font-family: var(--font-mono);
  text-align: center;
}

.sidebar-link-active .sidebar-icon {
  color: var(--color-accent);
}

.sidebar-account {
  position: absolute;
  right: 14px;
  bottom: 15px;
  left: 14px;
  display: flex;
  align-items: center;
  gap: 9px;
  padding-top: 13px;
  border-top: 1px solid var(--color-border-soft);
}

.account-mark {
  display: inline-flex;
  width: 25px;
  height: 25px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-pill);
  color: var(--color-accent);
  background: var(--color-glass-light);
  font-size: 10px;
  font-weight: 750;
}

.account-name {
  color: var(--color-text-muted);
  font-size: 9px;
}

.account-plan {
  margin-top: 2px;
  color: var(--color-text-dim);
  font-family: var(--font-mono);
  font-size: 7px;
  letter-spacing: 0.04em;
}

.app-main {
  position: relative;
  display: grid;
  grid-template-columns: 1fr var(--hero-route-width);
  min-width: 0;
  text-align: left;
  background:
    radial-gradient(circle at 31% 47%, var(--color-accent-faint), var(--color-transparent) 33%),
    linear-gradient(135deg, var(--color-transparent), var(--color-navy-faint));
}

.connection-core {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-bottom: 7px;
  text-align: center;
}

.power-control {
  position: relative;
  width: 104px;
  height: 104px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-pill);
  color: var(--color-accent-light);
  background:
    radial-gradient(circle, var(--color-accent-faint) 0 48%, var(--color-transparent) 49%),
    var(--color-glass);
  box-shadow:
    0 0 0 8px var(--color-accent-faint),
    0 0 34px var(--color-accent-glow),
    inset 0 1px 0 var(--color-accent-light);
}

.power-control::after {
  position: absolute;
  inset: 10px;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-pill);
  content: "";
}

.power-icon {
  position: relative;
  z-index: 1;
  width: 39px;
  height: 39px;
}

.connection-status {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-top: 16px;
  color: var(--color-text);
  font-size: 15px;
  font-weight: 680;
}

.connection-location {
  margin-top: 5px;
  color: var(--color-text-muted);
  font-size: 11px;
}

.connection-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 7px;
  margin-top: 13px;
}

.meta-pill {
  display: inline-flex;
  min-height: 23px;
  align-items: center;
  padding: 0 9px;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-pill);
  color: var(--color-text-dim);
  background: var(--color-glass-light);
  font-family: var(--font-mono);
  font-size: 8px;
}

.route-panel {
  margin: 17px 17px 17px 0;
  padding: 14px;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-md);
  background: var(--color-glass);
  box-shadow: inset 0 1px 0 var(--color-border-soft);
}

.route-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--color-text-muted);
  font-size: 9px;
  font-weight: 600;
}

.route-heading-status {
  color: var(--color-success);
  font-family: var(--font-mono);
  font-size: 7px;
  letter-spacing: 0.06em;
}

.route-card {
  margin-top: 12px;
  padding: 11px;
  border: 1px solid var(--color-accent-faint);
  border-radius: var(--radius-sm);
  background: var(--color-accent-faint);
}

.route-country {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text);
  font-size: 11px;
  font-weight: 620;
}

.flag-jp {
  display: inline-flex;
  width: 20px;
  height: 14px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  border-radius: 2px;
  background: var(--color-text);
  box-shadow: 0 0 0 1px var(--color-border-soft);
}

.flag-jp::after {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-pill);
  background: var(--color-flag-red);
  content: "";
}

.route-detail {
  margin-top: 7px;
  color: var(--color-text-dim);
  font-family: var(--font-mono);
  font-size: 8px;
  line-height: 1.6;
}

.route-option {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--color-border-soft);
  color: var(--color-text-muted);
  font-size: 9px;
}

.route-option-dot {
  width: 5px;
  height: 5px;
  flex: 0 0 auto;
  border-radius: var(--radius-pill);
  background: var(--color-success);
}

.float-cta {
  position: fixed;
  right: max(20px, env(safe-area-inset-right));
  bottom: max(20px, env(safe-area-inset-bottom));
  z-index: 40;
  box-shadow: var(--shadow-lg);
}

.mini-dock {
  position: absolute;
  z-index: 7;
  bottom: 15px;
  left: 50%;
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding: 8px 11px;
  border: 1px solid var(--color-border-bright);
  border-radius: var(--radius-md);
  background: var(--color-glass);
  box-shadow: var(--shadow-dock);
  transform: translateX(-50%);
  backdrop-filter: blur(20px);
}

.dock-app {
  display: flex;
  width: var(--dock-icon-size);
  height: var(--dock-icon-size);
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  background: var(--color-panel-2);
  box-shadow: inset 0 1px 0 var(--color-border-bright);
}

.dock-app svg {
  width: 18px;
  height: 18px;
}

.dock-app-active {
  color: var(--color-bg-deep);
  background: var(--color-accent);
}

.dock-divider {
  width: 1px;
  height: 24px;
  margin-inline: 2px;
  background: var(--color-border);
}

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

.tab-list {
  display: flex;
  width: fit-content;
  max-width: 100%;
  gap: 5px;
  padding: 5px;
  overflow-x: auto;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-md);
  background: var(--color-glass-light);
  scrollbar-width: thin;
}

.tab-list [role="tab"] {
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid var(--color-transparent);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  background: var(--color-transparent);
  cursor: pointer;
  font-size: 13px;
  font-weight: 620;
  white-space: nowrap;
}

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

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

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

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

.toc-tabs {
  position: sticky;
  z-index: 40;
  top: var(--toc-sticky-top);
  display: flex;
  min-height: var(--toc-height);
  align-items: center;
  gap: 5px;
  margin-block: 24px;
  padding: 6px;
  overflow-x: auto;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-panel);
  scrollbar-width: none;
}

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

.toc-tabs a {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  padding: 0 14px;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  font-size: 13px;
  white-space: nowrap;
}

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

.toc-sticky-host {
  position: sticky;
  z-index: 40;
  top: calc(var(--toc-sticky-top) - var(--toc-lift-offset));
}

.toc-tabs.toc-tabs-lifted {
  position: static;
}

body:has(.toc-tabs) section[id],
body:has(.toc-tabs) article[id],
body:has(.toc-tabs) h2[id],
body:has(.toc-tabs) h3[id] {
  scroll-margin-top: var(--anchor-offset);
}

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

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

.faq-item summary {
  position: relative;
  display: flex;
  min-height: 62px;
  align-items: center;
  padding: 15px 52px 15px 18px;
  color: var(--color-text);
  cursor: pointer;
  font-weight: 650;
  list-style: none;
}

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

.faq-item summary::after {
  position: absolute;
  right: 20px;
  width: 18px;
  height: 18px;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-pill);
  color: var(--color-accent);
  content: "+";
  font-family: var(--font-mono);
  font-size: 14px;
  transition: transform var(--transition-fast);
}

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

.faq-answer {
  padding: 0 18px 18px;
}

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

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

.plan-card {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 27px;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(150deg, var(--color-glass-light), var(--color-transparent) 40%),
    var(--color-panel);
  box-shadow: var(--shadow-panel);
}

.plan-card-featured,
.plan-card[aria-current="true"] {
  border-color: var(--color-accent);
  background:
    linear-gradient(150deg, var(--color-accent-faint), var(--color-transparent) 44%),
    var(--color-panel-2);
  box-shadow: 0 24px 64px var(--color-shadow), 0 0 0 1px var(--color-accent-faint);
}

.plan-badge {
  position: absolute;
  top: 15px;
  right: 15px;
}

.plan-name {
  padding-right: 78px;
  color: var(--color-text-muted);
  font-size: 14px;
  font-weight: 640;
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: 5px;
  margin-top: 20px;
}

.plan-price-value {
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: 44px;
  font-weight: 760;
  letter-spacing: -0.05em;
  line-height: 1;
}

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

.plan-traffic {
  margin-top: 10px;
  color: var(--color-accent-light);
  font-family: var(--font-mono);
  font-size: 12px;
}

.plan-features {
  flex: 1;
  margin: 22px 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--color-border-soft);
  list-style: none;
}

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

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

.plan-card .button {
  width: 100%;
}

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

.data-table {
  min-width: var(--table-min-width);
}

.network-table {
  min-width: var(--network-table-min-width);
}

.data-table thead,
.network-table thead {
  background: var(--color-glass-light);
}

.network-group-row th {
  padding-top: 20px;
  color: var(--color-accent-light);
  background: var(--color-bg-deep);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.country-cell {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--color-text);
  font-weight: 620;
}

.country-flag {
  flex: 0 0 auto;
  font-size: 18px;
}

.route-type {
  display: inline-flex;
  min-height: 25px;
  align-items: center;
  padding: 0 8px;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-pill);
  color: var(--color-text-muted);
  background: var(--color-glass-light);
  font-family: var(--font-mono);
  font-size: 10px;
  white-space: nowrap;
}

.support-yes {
  color: var(--color-success);
}

.support-limited {
  color: var(--color-warn);
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(var(--platform-card-min), 1fr));
  gap: 14px;
}

.platform-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: flex-start;
  padding: 22px;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
  box-shadow: inset 0 1px 0 var(--color-border-soft);
}

.platform-icon {
  display: grid;
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid var(--color-border-bright);
  border-radius: var(--radius-md);
  color: var(--color-accent);
  background: var(--color-glass-light);
}

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

.platform-card h3 {
  margin: 18px 0 5px;
  font-size: 18px;
}

.platform-card p {
  flex: 1;
  font-size: 13px;
}

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

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

.article-card {
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 260px;
  flex-direction: column;
  padding: 24px;
  overflow: hidden;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(145deg, var(--color-navy-faint), var(--color-transparent) 52%),
    var(--color-panel);
  box-shadow: var(--shadow-panel);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.article-card::after {
  position: absolute;
  right: -58px;
  bottom: -78px;
  width: 170px;
  height: 170px;
  border: 1px solid var(--color-border-soft);
  border-radius: 50%;
  content: "";
}

.article-card:hover {
  border-color: var(--color-border-bright);
  transform: translateY(-4px);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  color: var(--color-text-dim);
  font-family: var(--font-mono);
  font-size: 10px;
}

.article-card h3 {
  margin: 18px 0 10px;
  font-size: 22px;
}

.article-card p {
  flex: 1;
  font-size: 14px;
}

.article-link {
  position: relative;
  z-index: 1;
  color: var(--color-accent-light);
  font-size: 13px;
  font-weight: 650;
}

.callout {
  position: relative;
  margin-block: 26px;
  padding: 20px 22px 20px 25px;
  overflow: hidden;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-md);
  background: var(--color-panel-2);
}

.callout::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 3px;
  background: var(--color-accent);
  content: "";
}

.callout-title {
  margin-bottom: 6px;
  color: var(--color-text);
  font-weight: 680;
}

.callout p:last-child {
  margin-bottom: 0;
}

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

.callout-warning::before {
  background: var(--color-warn);
}

.article-promo,
.end-promo {
  position: relative;
  max-width: var(--promo-max-width);
  margin: 52px auto;
  padding: clamp(26px, 5vw, 46px);
  overflow: hidden;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 88% 22%, var(--color-accent-faint), var(--color-transparent) 30%),
    linear-gradient(145deg, var(--color-panel-2), var(--color-bg-deep));
  box-shadow: var(--shadow-scene);
}

.article-promo::after,
.end-promo::after {
  position: absolute;
  right: -80px;
  bottom: -115px;
  width: 260px;
  height: 260px;
  border: 1px solid var(--color-accent-faint);
  border-radius: 50%;
  box-shadow: 0 0 0 34px var(--color-grid), 0 0 0 68px var(--color-grid);
  content: "";
}

.promo-brand {
  color: var(--color-accent-light);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.promo-title {
  position: relative;
  z-index: 1;
  max-width: 620px;
  margin: 10px 0 12px;
  font-size: clamp(27px, 4vw, 42px);
}

.promo-copy {
  position: relative;
  z-index: 1;
  max-width: 650px;
}

.article-promo .button,
.end-promo .button {
  position: relative;
  z-index: 1;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-block: 26px;
}

.stat-card {
  padding: 18px;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-md);
  background: var(--color-panel);
}

.stat-num {
  color: var(--color-accent-light);
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 740;
}

.stat-label {
  margin-top: 5px;
  color: var(--color-text-muted);
  font-size: 12px;
}

.check-list {
  padding: 0;
  list-style: none;
}

.check-list li {
  padding: 9px 0;
  border-bottom: 1px solid var(--color-border-soft);
}

.verdict {
  margin-block: 24px;
  padding: 18px 20px;
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--color-text-muted);
  background: var(--color-accent-faint);
}

.preview-swatch-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(170px, 1fr));
  gap: 12px;
}

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

.preview-swatch-color {
  height: 92px;
}

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

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

.swatch-panel-2 {
  background: var(--color-panel-2);
}

.swatch-panel-3 {
  background: var(--color-panel-3);
}

.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-warn {
  background: var(--color-warn);
}

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

.preview-swatch-label {
  padding: 12px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.preview-component-stack {
  display: grid;
  gap: 34px;
}

.preview-type-scale > * {
  margin-bottom: 22px;
}

.preview-button-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

@media (max-width: 1180px) {
  .platform-grid {
    grid-template-columns: repeat(3, minmax(var(--platform-card-min), 1fr));
  }

  .preview-swatch-grid {
    grid-template-columns: repeat(3, minmax(160px, 1fr));
  }
}

@media (max-width: 900px) {
  .hero {
    min-height: auto;
    padding-bottom: 48px;
  }

  .device-stage {
    height: auto;
    min-height: 438px;
  }

  .app-window {
    height: 354px;
  }

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

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

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

@media (max-width: 760px) {
  .hero {
    padding-top: 24px;
  }

  .hero-copy h1 {
    font-size: clamp(40px, 12vw, 58px);
  }

  .trust-row {
    flex-wrap: wrap;
    gap: 7px 12px;
    margin-top: 14px;
  }

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

  .device-stage {
    min-height: 420px;
    padding: 20px 14px 70px;
  }

  .app-window {
    height: 320px;
  }

  .window-chrome {
    grid-template-columns: 92px 1fr 92px;
  }

  .window-body {
    grid-template-columns: 112px 1fr;
  }

  .app-sidebar {
    padding-inline: 7px;
  }

  .sidebar-link {
    padding-inline: 7px;
  }

  .sidebar-account {
    display: none;
  }

  .app-main {
    grid-template-columns: 1fr;
  }

  .route-panel {
    display: none;
  }

  .toolbar-chip:first-child {
    display: none;
  }

  .power-control {
    width: 94px;
    height: 94px;
  }

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

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

@media (max-width: 640px) {
  .hero-copy {
    width: 100%;
    padding-inline: var(--gutter);
  }

  .device-stage {
    width: calc(100% - (var(--gutter) * 2));
    min-height: 390px;
    border-radius: var(--radius-lg);
  }

  .desktop-label {
    display: none;
  }

  .app-window {
    height: 290px;
    border-radius: var(--radius-md);
  }

  .window-chrome {
    height: 39px;
    grid-template-columns: 78px 1fr 78px;
  }

  .window-title {
    font-size: 10px;
  }

  .traffic-lights {
    gap: 5px;
    padding-left: 11px;
  }

  .traffic-light {
    width: 8px;
    height: 8px;
  }

  .window-body {
    height: calc(100% - 39px);
    grid-template-columns: 88px 1fr;
  }

  .sidebar-label {
    margin-inline: 4px;
  }

  .sidebar-link {
    gap: 4px;
    padding-inline: 4px;
    font-size: 9px;
  }

  .sidebar-icon {
    width: 12px;
  }

  .connection-status {
    font-size: 13px;
  }

  .connection-meta {
    max-width: 180px;
  }

  .mini-dock {
    bottom: 16px;
  }

  .float-cta {
    right: max(16px, env(safe-area-inset-right));
    bottom: max(16px, env(safe-area-inset-bottom));
  }

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

  .toc-tabs {
    margin-inline: 0;
    border-radius: var(--radius-sm);
  }

  .toc-tabs a {
    min-height: 42px;
  }

  .plan-card,
  .platform-card,
  .article-card {
    padding: 20px;
  }

  .article-promo,
  .end-promo {
    margin-block: 38px;
    border-radius: var(--radius-lg);
  }

  .network-table-wrap,
  .table-scroll {
    border-radius: var(--radius-md);
  }

  .prose > .data-table {
    display: block;
    max-width: 100%;
    min-width: 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

@media (max-width: 390px) {
  .window-body {
    grid-template-columns: 72px 1fr;
  }

  .sidebar-link {
    font-size: 8px;
  }

  .sidebar-icon {
    display: none;
  }

  .power-control {
    width: 84px;
    height: 84px;
  }

  .power-icon {
    width: 32px;
    height: 32px;
  }

  .dock-app {
    width: 29px;
    height: 29px;
  }
}