.feature-browser {
  display: grid;
  grid-template-columns: minmax(180px, .34fr) minmax(0, 1fr);
  gap: 24px;
}
.tab-list {
  display: flex;
  gap: 10px;
}
.tab-list-vertical {
  flex-direction: column;
}
.tab-button {
  display: flex;
  width: 100%;
  min-height: 44px;
  align-items: center;
  justify-content: flex-start;
  padding: 10px 17px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-text-muted);
  cursor: pointer;
  font-weight: 700;
  text-align: left;
}
.tab-button:hover {
  border-color: var(--color-accent-deep);
  color: var(--color-text);
}
.tab-button[aria-selected="true"],
.tab-button.is-active {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-bg);
}
.tab-panel {
  min-width: 0;
}
.tab-panel[hidden] {
  display: none;
}
.feature-detail {
  min-height: 310px;
  padding: clamp(26px, 5vw, 52px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-panel);
  background: var(--color-panel-raised);
  box-shadow: 0 28px 60px var(--color-shadow-deep);
}
.feature-detail p {
  max-width: 720px;
  margin-top: 18px;
  color: var(--color-text-muted);
}
.fact-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}
.fact-chip {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  padding: 5px 13px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 12px;
}
.toc-tabs {
  position: sticky;
  z-index: 30;
  top: var(--toc-top);
  display: flex;
  max-width: 100%;
  gap: 8px;
  overflow-x: auto;
  padding: 8px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  box-shadow: 0 12px 28px var(--color-shadow);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}
.toc-tabs a {
  display: inline-flex;
  min-height: 38px;
  flex: 0 0 auto;
  align-items: center;
  padding: 7px 15px;
  border-radius: var(--radius-pill);
  color: var(--color-text-muted);
  font-size: 13px;
  font-weight: 700;
  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-bg);
}
body:has(.toc-tabs) section[id] {
  scroll-margin-top: calc(var(--toc-top) + 76px);
}
.faq-list {
  display: grid;
  gap: 12px;
}
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-panel);
}
.faq-item summary {
  position: relative;
  display: flex;
  min-height: 56px;
  align-items: center;
  padding: 15px 54px 15px 20px;
  cursor: pointer;
  color: var(--color-text);
  font-weight: 750;
  list-style: none;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  position: absolute;
  right: 20px;
  color: var(--color-accent);
  content: "+";
  font-size: 22px;
  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: 22px;
  align-items: stretch;
}
.plan-card {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-panel);
  background: var(--color-panel);
  box-shadow: 0 18px 42px var(--color-shadow);
}
.plan-card.is-featured,
.plan-card[aria-current="true"] {
  border-color: var(--color-accent);
  background: var(--color-panel-raised);
  box-shadow: 0 0 0 1px var(--color-accent-deep), 0 24px 56px var(--color-shadow-deep), 0 0 32px var(--color-accent-glow-soft);
}
.plan-badge {
  position: absolute;
  top: 16px;
  right: 16px;
}
.plan-name {
  padding-right: 74px;
  font-size: 22px;
}
.plan-period {
  margin-top: 8px;
  color: var(--color-text-muted);
  font-size: 13px;
}
.plan-price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-top: 24px;
}
.plan-price strong {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: clamp(34px, 4vw, 48px);
  line-height: 1;
}
.plan-price span {
  color: var(--color-text-muted);
}
.plan-features {
  display: grid;
  gap: 10px;
  margin: 24px 0 30px;
  padding: 0;
  list-style: none;
  color: var(--color-text-muted);
}
.plan-features li {
  display: flex;
  gap: 9px;
}
.plan-features li::before {
  flex: 0 0 auto;
  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-card);
  -webkit-overflow-scrolling: touch;
}
.data-table,
.server-table,
.comparison-table {
  width: 100%;
  min-width: 700px;
  border-collapse: collapse;
  background: var(--color-panel);
  color: var(--color-text-muted);
}
.data-table th,
.data-table td,
.server-table th,
.server-table td,
.comparison-table th,
.comparison-table td {
  padding: 15px 18px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: middle;
}
.data-table th,
.server-table th,
.comparison-table th {
  background: var(--color-panel-raised);
  color: var(--color-text);
  font-size: 13px;
  font-weight: 800;
}
.data-table th:first-child,
.data-table td:first-child,
.server-table th:first-child,
.server-table td:first-child,
.comparison-table th:first-child,
.comparison-table td:first-child {
  color: var(--color-text);
}
.data-table tbody tr:hover,
.server-table tbody tr:hover,
.comparison-table tbody tr:hover {
  background: var(--color-panel-raised);
}
.region-row th {
  color: var(--color-accent);
  font-family: var(--font-mono);
  letter-spacing: .06em;
}
.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: 16px;
}
.platform-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  padding: 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-panel);
}
.platform-icon {
  display: grid;
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: var(--radius-sm);
  background: var(--color-panel-raised);
  color: var(--color-accent);
  box-shadow: inset 0 0 0 1px var(--color-line);
}
.platform-icon svg {
  width: 24px;
  height: 24px;
}
.platform-card h3 {
  font-size: 17px;
}
.platform-card p {
  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: 22px;
}
.article-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 25px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-panel);
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}
.article-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-accent-deep);
  box-shadow: 0 22px 46px var(--color-shadow);
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}
.article-card h3 {
  margin-top: 16px;
  font-size: 21px;
}
.article-card p {
  margin-top: 12px;
  color: var(--color-text-muted);
}
.article-card-link {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  margin-top: auto;
  padding-top: 20px;
  color: var(--color-accent);
  font-weight: 750;
}
.callout {
  padding: 20px 22px;
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
  background: var(--color-panel-raised);
  color: var(--color-text-muted);
  box-shadow: 0 12px 28px var(--color-shadow);
}
.callout strong {
  color: var(--color-text);
}
.article-promo {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  margin-top: 64px;
  padding: clamp(26px, 5vw, 48px);
  border: 1px solid var(--color-accent-deep);
  border-radius: var(--radius-panel);
  background: linear-gradient(135deg, var(--color-panel-raised), var(--color-panel));
  box-shadow: 0 0 34px var(--color-accent-glow-soft), 0 24px 54px var(--color-shadow);
}
.article-promo p {
  margin-top: 9px;
  color: var(--color-text-muted);
}
.float-cta {
  position: fixed;
  z-index: 100;
  right: 26px;
  bottom: calc(26px + env(safe-area-inset-bottom, 0px));
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  gap: 8px;
  padding: 11px 24px;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-pill);
  background: linear-gradient(120deg, var(--color-accent), var(--color-accent-deep));
  color: var(--color-bg);
  box-shadow: 0 0 22px var(--color-accent-glow), 0 10px 24px var(--color-shadow-deep);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 800;
  transition: transform var(--transition-fast);
}
.float-cta:hover {
  transform: translateY(-2px);
}
.float-cta svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}
.hero {
  position: relative;
  display: flex;
  min-height: calc(100svh - 120px);
  flex-direction: column;
  align-items: center;
  overflow-x: clip;
  padding: 22px var(--gutter) 0;
  background-image: radial-gradient(var(--color-line-soft) 1px, transparent 1.1px);
  background-size: 24px 24px;
}
.hero-copy {
  position: relative;
  z-index: 5;
  width: 100%;
  max-width: 960px;
  text-align: center;
}
.hero-badge {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  gap: 8px;
  padding: 5px 15px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-text-muted);
  font-size: 13px;
}
.hero-title {
  margin-top: 16px;
}
.hero-subtitle {
  margin-top: 14px;
  color: var(--color-text-muted);
  font-size: 16px;
  line-height: 1.7;
}
.hero-subtitle strong {
  color: var(--color-text);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 22px;
}
.hero-actions .btn-primary {
  padding-inline: 42px;
}
.trust-line {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 22px;
  margin-top: 16px;
  color: var(--color-text-muted);
  font-size: 13px;
}
.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.trust-tick {
  flex: 0 0 auto;
  color: var(--color-success);
  font-weight: 800;
}
.hero-chip-groups {
  position: relative;
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin-top: 22px;
}
.hero-chip-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  align-items: center;
}
.row-label {
  margin-right: 8px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
}
.hero-chip {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  gap: 7px;
  padding: 5px 13px;
  border: 1px solid var(--color-line-soft);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-text-muted);
  font-size: 13px;
}
.hero-chip svg {
  width: 15px;
  height: 15px;
  flex: 0 0 auto;
  color: currentColor;
}
.hero-chip svg.flag-icon {
  width: 22px;
  height: 15px;
  overflow: hidden;
  border-radius: 3px;
}
.orbit-stage {
  position: relative;
  z-index: 1;
  width: 100%;
  min-height: 380px;
  flex: 1;
  margin-top: 6px;
  overflow: visible;
}
.orbit-anchor {
  position: absolute;
  top: 52%;
  left: 50%;
  width: 0;
  height: 0;
}
.core-halo {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--color-accent-glow) 0%, var(--color-accent-glow-soft) 38%, transparent 66%);
  transform: translate(-50%, -50%);
  animation: halo-breathe 7s ease-in-out infinite alternate;
  pointer-events: none;
}
@keyframes halo-breathe {
  from {
    opacity: .72;
    transform: translate(-50%, -50%) scale(1);
  }
  to {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.07);
  }
}
.orbit-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid var(--color-line);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}
.orbit-ring-outer {
  width: 384px;
  height: 384px;
}
.orbit-ring-inner {
  width: 262px;
  height: 262px;
  border-color: var(--color-line-soft);
}
.orbit-track {
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 0;
}
.orbit-track-a {
  animation: orbit-clockwise 112s linear infinite;
}
.orbit-track-b {
  animation: orbit-counter 86s linear infinite;
}
@keyframes orbit-clockwise {
  to {
    transform: rotate(360deg);
  }
}
@keyframes orbit-counter {
  to {
    transform: rotate(-360deg);
  }
}
.orbit-satellite {
  position: absolute;
  top: 0;
  left: 0;
}
.sat-a1 {
  transform: rotate(12deg) translateX(192px);
}
.sat-a2 {
  transform: rotate(142deg) translateX(192px);
}
.sat-a3 {
  transform: rotate(252deg) translateX(192px);
}
.sat-b1 {
  transform: rotate(66deg) translateX(131px);
}
.sat-b2 {
  transform: rotate(218deg) translateX(131px);
}
.satellite-content {
  position: absolute;
  top: 0;
  left: 0;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel-raised);
  box-shadow: 0 5px 16px var(--color-shadow);
  color: var(--color-text);
  font-size: 13px;
  font-weight: 700;
  transform: translate(-50%, -50%);
  white-space: nowrap;
}
.satellite-content::before {
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 7px var(--color-accent-glow);
  content: "";
}
.orbit-node {
  position: absolute;
  top: 0;
  left: 0;
  width: 9px;
  height: 9px;
  margin: -4px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 10px var(--color-accent-glow);
}
.node-one {
  transform: rotate(92deg) translateX(192px);
}
.node-two {
  transform: rotate(302deg) translateX(192px);
}
.node-three {
  transform: rotate(168deg) translateX(131px);
}
.orbit-core {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  width: 118px;
  height: 118px;
  place-items: center;
  border-radius: 34%;
  background: linear-gradient(145deg, var(--color-accent), var(--color-accent-deep));
  box-shadow: 0 0 0 1px var(--color-accent-glow), 0 0 38px var(--color-accent-glow), 0 15px 35px var(--color-shadow-deep), inset 0 1px 0 var(--color-line);
  color: var(--color-flag-white);
  transform: translate(-50%, -50%);
}
.orbit-core svg {
  width: 52px;
  height: 52px;
}
.stats-band {
  border-top: 1px solid var(--color-border);
  background: var(--color-panel);
}
.stats-band-inner {
  display: flex;
  max-width: 1120px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-inline: auto;
  padding: 18px var(--gutter);
}
.stat-item {
  display: flex;
  align-items: baseline;
  gap: 9px;
  color: var(--color-text-muted);
  font-size: 13px;
}
.stat-value {
  min-width: 3.4ch;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 19px;
  font-variant-numeric: tabular-nums;
  font-weight: 800;
}
.stat-separator {
  width: 1px;
  height: 26px;
  flex: 0 0 auto;
  background: var(--color-border);
}
.preview-main {
  overflow-x: clip;
}
.preview-section {
  padding-top: 80px;
  padding-bottom: 80px;
  overflow-x: clip;
}
.preview-section-header {
  max-width: 720px;
  margin-bottom: 34px;
}
.preview-section-header p {
  margin-top: 12px;
  color: var(--color-text-muted);
}
.preview-color-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}
.preview-swatch {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-panel);
}
.preview-swatch-color {
  height: 92px;
}
.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-deep {
  background: var(--color-accent-deep);
}
.swatch-text {
  background: var(--color-text);
}
.swatch-muted {
  background: var(--color-text-muted);
}
.swatch-success {
  background: var(--color-success);
}
.swatch-error {
  background: var(--color-error);
}
.preview-swatch-label {
  padding: 12px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  overflow-wrap: anywhere;
}
.preview-type-stack {
  display: grid;
  gap: 26px;
}
.preview-display {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 900;
  line-height: 1.1;
}
.preview-type-meta {
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}
.preview-control-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}
.preview-footer {
  margin-top: 80px;
}
@media (max-width: 960px) {
  .pricing-grid,
  .article-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .platform-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .preview-color-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
@media (max-width: 768px) {
  .feature-browser {
    grid-template-columns: 1fr;
  }
  .tab-list-vertical {
    flex-direction: row;
    overflow-x: auto;
    padding-bottom: 5px;
    -webkit-overflow-scrolling: touch;
  }
  .tab-list-vertical .tab-button {
    width: auto;
    flex: 0 0 auto;
    white-space: nowrap;
  }
  .hero {
    min-height: auto;
    padding-top: 26px;
  }
  .orbit-stage {
    min-height: 330px;
  }
  .orbit-ring-outer {
    width: 300px;
    height: 300px;
  }
  .orbit-ring-inner {
    width: 206px;
    height: 206px;
  }
  .orbit-core {
    width: 92px;
    height: 92px;
  }
  .orbit-core svg {
    width: 40px;
    height: 40px;
  }
  .core-halo {
    width: 320px;
    height: 320px;
  }
  .sat-a1 {
    transform: rotate(12deg) translateX(150px);
  }
  .sat-a2 {
    transform: rotate(142deg) translateX(150px);
  }
  .sat-a3 {
    transform: rotate(252deg) translateX(150px);
  }
  .sat-b1 {
    transform: rotate(66deg) translateX(103px);
  }
  .sat-b2 {
    transform: rotate(218deg) translateX(103px);
  }
  .node-one {
    transform: rotate(92deg) translateX(150px);
  }
  .node-two {
    transform: rotate(302deg) translateX(150px);
  }
  .node-three {
    transform: rotate(168deg) translateX(103px);
  }
  .satellite-content {
    padding: 4px 9px;
    font-size: 11px;
  }
  .article-promo {
    grid-template-columns: 1fr;
  }
  .stats-band-inner {
    flex-wrap: wrap;
  }
  .stat-separator {
    display: none;
  }
}
@media (max-width: 640px) {
  .pricing-grid,
  .article-grid,
  .platform-grid,
  .preview-color-grid {
    grid-template-columns: 1fr;
  }
  .hero-actions,
  .hero-actions .btn {
    width: 100%;
  }
  .row-label {
    width: 100%;
    margin-right: 0;
    text-align: center;
  }
  .hero-chip {
    padding-inline: 10px;
    font-size: 12px;
  }
  .stats-band-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .float-cta {
    right: 16px;
    bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  }
  .preview-swatch-color {
    height: 70px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .orbit-track-a,
  .orbit-track-b,
  .core-halo {
    animation: none;
  }
}