:root {
  --hero-max: 940px;
  --table-min: 720px;
  --price-card-min: 250px;
  --flag-red: #C0374A;
  --flag-red-alt: #BE3A4A;
  --flag-white: #F2EFEA;
  --flag-blue: #33406E;
  --flag-blue-fr: #3A4E9F;
  --flag-green: #278A5A;
  --flag-dark: #16141D;
}

.hero-preview {
  position: relative;
  overflow-x: clip;
  border-bottom: 1px solid var(--color-border);
}

.hero-preview::before {
  position: absolute;
  right: 2%;
  bottom: -180px;
  width: min(560px, 70vw);
  height: 440px;
  background: radial-gradient(closest-side, var(--color-accent-haze), var(--color-accent-haze-soft) 55%, var(--color-transparent) 75%);
  content: "";
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  max-width: var(--content-max);
  align-items: center;
  flex-direction: column;
  margin-inline: auto;
  padding: 34px var(--gutter) 0;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  padding: 5px 14px;
  color: var(--color-text-muted);
  font-size: 12.5px;
  letter-spacing: 0.03em;
}

.hero-badge svg {
  width: 13px;
  height: 13px;
  color: var(--color-accent);
}

.hero-title {
  margin-top: 20px;
  margin-bottom: 0;
  font-size: clamp(52px, 5vw, 58px);
}

.hero-copy {
  margin: 14px 0 0;
  color: var(--color-text-muted);
  font-size: 16.5px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 26px;
}

.platform-strip,
.fact-strip,
.flag-strip {
  display: flex;
  max-width: 100%;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}

.platform-strip {
  gap: 24px;
  margin-top: 24px;
}

.platform-mark {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  gap: 7px;
  color: var(--color-text-muted);
  font-size: 13px;
}

.platform-mark svg {
  width: 16px;
  height: 16px;
}

.fact-strip {
  gap: 10px;
  margin-top: 14px;
}

.fact-pill {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  gap: 7px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  padding: 5px 14px;
  color: var(--color-text-muted);
  font-size: 12.5px;
}

.fact-pill em {
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 12px;
  font-style: normal;
}

.hero-stage {
  position: relative;
  z-index: 1;
  display: flex;
  width: 100%;
  justify-content: center;
  margin-top: 34px;
}

.client-window {
  position: relative;
  width: min(var(--hero-max), 100%);
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-window);
  transform: translateY(-2px);
}

.client-window::before {
  position: absolute;
  z-index: 3;
  top: 0;
  right: 10%;
  left: 10%;
  height: 1px;
  background: linear-gradient(90deg, var(--color-transparent), var(--color-accent) 35%, var(--color-accent) 65%, var(--color-transparent));
  box-shadow: 0 0 14px 1px var(--color-accent-glow-strong);
  content: "";
}

.window-chrome {
  display: flex;
  height: 42px;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-panel-raised);
  padding-inline: 16px;
}

.chrome-dot {
  width: 11px;
  height: 11px;
  flex-shrink: 0;
  border-radius: 50%;
}

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

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

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

.window-title {
  flex: 1;
  padding-right: 57px;
  color: var(--color-text-muted);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  text-align: center;
}

.window-body {
  display: grid;
  min-height: 330px;
  grid-template-columns: 198px 336px minmax(260px, 1fr);
}

.window-sidebar {
  border-right: 1px solid var(--color-border);
  background: var(--color-bg);
  padding: 16px 12px;
  text-align: left;
}

.window-caption {
  margin: 0;
  padding: 0 10px 10px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
}

.window-side-item {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 2px;
  border-radius: var(--radius-sm);
  padding: 9px 10px;
  color: var(--color-text-muted);
  font-size: 13.5px;
}

.window-side-item svg {
  width: 13px;
  height: 13px;
}

.window-side-item.active {
  background: var(--color-panel-raised);
  color: var(--color-accent);
  font-weight: 650;
}

.window-list {
  border-right: 1px solid var(--color-border);
  background: var(--color-panel);
  padding-block: 14px;
  text-align: left;
}

.window-list-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-border);
  padding: 0 18px 10px;
}

.window-list-head b {
  font-size: 13.5px;
}

.window-list-head span {
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11.5px;
}

.route-row {
  display: flex;
  min-height: 45px;
  align-items: center;
  gap: 11px;
  border-bottom: 1px solid var(--color-border-soft);
  padding: 9px 18px;
}

.route-row:last-child {
  border-bottom: 0;
}

.route-row.current {
  background: var(--color-panel-raised);
}

.route-name {
  flex: 1;
  color: var(--color-text);
  font-size: 13.5px;
}

.route-flag {
  width: 22px;
  height: 16px;
  flex-shrink: 0;
  overflow: hidden;
  border-radius: 3px;
}

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

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

.flag-bg-blue {
  fill: var(--flag-blue);
}

.flag-bg-blue-fr {
  fill: var(--flag-blue-fr);
}

.flag-bg-green {
  fill: var(--flag-green);
}

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

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

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

.connection-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 16px;
  background: var(--color-panel-raised);
  padding: 26px 24px;
}

.connection-toggle {
  position: relative;
  width: 74px;
  height: 40px;
  flex-shrink: 0;
  border-radius: var(--radius-pill);
  background: linear-gradient(180deg, var(--color-accent), var(--color-accent-dark));
  box-shadow: 0 0 20px var(--color-accent-glow);
}

.connection-toggle::after {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-text);
  box-shadow: 0 2px 6px var(--color-shadow);
  content: "";
}

.connection-status {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text);
  font-size: 14.5px;
  font-weight: 650;
}

.connection-status i {
  width: 8px;
  height: 8px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 8px var(--color-success-glow);
}

.plan-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  padding: 6px 16px;
  color: var(--color-text-muted);
  font-size: 12.5px;
}

.plan-chip em {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 12px;
  font-style: normal;
}

.connection-note {
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
}

.flag-strip {
  gap: 10px;
  margin-top: 16px;
}

.flag-label {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  gap: 7px;
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  padding: 5px 10px;
  color: var(--color-text-muted);
  font-size: 12px;
}

.flag-label svg {
  width: 20px;
  height: 14px;
  overflow: hidden;
  border-radius: 3px;
}

.tabs {
  margin-block: 24px;
}

.tab-list {
  display: inline-flex;
  max-width: 100%;
  gap: 4px;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  padding: 4px;
  -webkit-overflow-scrolling: touch;
}

.tab-list [role="tab"] {
  min-width: 88px;
  min-height: 40px;
  flex-shrink: 0;
  border-radius: var(--radius-xs);
  background: var(--color-transparent);
  padding: 8px 16px;
  color: var(--color-text-muted);
}

.tab-list [role="tab"][aria-selected="true"],
.tab-list [role="tab"].active {
  background: var(--color-panel-raised);
  color: var(--color-accent);
  font-weight: 650;
}

[role="tabpanel"][hidden] {
  display: none;
}

.tab-panel {
  margin-top: 18px;
}

.toc-tabs {
  position: sticky;
  z-index: 40;
  top: 12px;
  display: flex;
  max-width: 100%;
  gap: 4px;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel-raised);
  padding: 5px;
  box-shadow: var(--shadow-card);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.toc-tabs a {
  display: inline-flex;
  min-height: 40px;
  flex: 0 0 auto;
  align-items: center;
  border-radius: var(--radius-xs);
  padding: 8px 14px;
  color: var(--color-text-muted);
  font-size: 13px;
}

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

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

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

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

.faq-item summary {
  position: relative;
  min-height: 56px;
  padding: 15px 48px 15px 18px;
  color: var(--color-text);
  font-weight: 650;
  list-style: none;
}

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

.faq-item summary::after {
  position: absolute;
  top: 50%;
  right: 18px;
  color: var(--color-accent);
  content: "+";
  font-family: var(--font-mono);
  transform: translateY(-50%);
}

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

.faq-answer {
  border-top: 1px solid var(--color-border);
  padding: 16px 18px 20px;
  color: var(--color-text-muted);
}

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

.price-card {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  padding: 26px;
  box-shadow: var(--shadow-card);
  transform-style: preserve-3d;
}

.price-card.featured {
  border-color: var(--color-accent);
  background: var(--color-panel-raised);
  box-shadow: 0 0 0 1px var(--color-accent-glow), var(--shadow-accent);
}

.price-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  padding: 3px 10px;
  color: var(--color-button-ink);
  font-size: 11px;
  font-weight: 750;
}

.price-card h3 {
  padding-right: 72px;
}

.price-value {
  margin-block: 18px;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 800;
  line-height: 1;
}

.price-value small {
  font-size: 14px;
  font-weight: 520;
}

.price-card ul {
  flex: 1;
  margin-bottom: 24px;
  color: var(--color-text-muted);
}

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

.data-table,
.server-table,
.compare-table {
  width: 100%;
  min-width: var(--table-min);
  border-collapse: collapse;
  background: var(--color-panel);
}

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

.data-table th,
.server-table th,
.compare-table th {
  background: var(--color-panel-raised);
  color: var(--color-text);
  font-size: 13px;
  font-weight: 700;
}

.data-table td:first-child,
.server-table td:first-child,
.compare-table td:first-child {
  color: var(--color-text);
  font-weight: 620;
}

.data-table td,
.server-table td,
.compare-table td {
  color: var(--color-text-muted);
  font-size: 14px;
}

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

.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(150px, 1fr));
  gap: 12px;
}

.platform-card {
  display: flex;
  min-width: 0;
  align-items: flex-start;
  flex-direction: column;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  padding: 20px;
}

.platform-card > svg {
  width: 28px;
  height: 28px;
  margin-bottom: 18px;
  color: var(--color-accent);
}

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

.platform-card p {
  flex: 1;
  color: var(--color-text-muted);
  font-size: 13px;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.article-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  border-top: 1px solid var(--color-accent);
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  padding: 24px;
}

.article-card .badge {
  align-self: flex-start;
}

.article-card h3 {
  margin-top: 18px;
  font-size: 21px;
}

.article-card p {
  flex: 1;
  color: var(--color-text-muted);
  font-size: 14px;
}

.article-meta {
  margin-top: 18px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.callout {
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--color-panel-raised);
  padding: 18px 20px;
  color: var(--color-text-muted);
}

.callout strong {
  display: block;
  margin-bottom: 4px;
}

.article-promo {
  position: relative;
  overflow-x: clip;
  margin-top: 56px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel-raised);
  padding: clamp(24px, 5vw, 48px);
}

.article-promo::after {
  position: absolute;
  right: -70px;
  bottom: -100px;
  width: 250px;
  height: 250px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--color-accent-haze), var(--color-transparent) 70%);
  content: "";
  pointer-events: none;
}

.article-promo > * {
  position: relative;
  z-index: 1;
}

.article-promo h2 {
  font-size: clamp(28px, 4vw, 42px);
}

.float-cta {
  position: fixed;
  z-index: 80;
  right: 26px;
  bottom: calc(26px + env(safe-area-inset-bottom, 0px));
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 7px;
  border-radius: var(--radius-pill);
  background: linear-gradient(180deg, var(--color-accent), var(--color-accent-dark));
  box-shadow: var(--shadow-accent);
  padding-inline: 22px;
  color: var(--color-button-ink);
  font-size: 14px;
  font-weight: 720;
  transition: transform var(--transition-fast);
}

.float-cta:hover {
  transform: translateY(-2px);
}

.float-cta svg {
  width: 14px;
  height: 14px;
}

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

.feature-flow {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: clamp(34px, 7vw, 90px);
}

.feature-index {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  align-self: start;
}

.feature-index a {
  display: flex;
  min-height: 42px;
  align-items: center;
  gap: 10px;
  color: var(--color-text-muted);
}

.feature-index a::before {
  width: 8px;
  height: 8px;
  flex-shrink: 0;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  content: "";
}

.feature-index a.current,
.feature-index a:hover {
  color: var(--color-accent);
}

.feature-index a.current::before {
  border-color: var(--color-accent);
  background: var(--color-accent);
  box-shadow: 0 0 8px var(--color-accent-glow);
}

.feature-detail {
  display: grid;
  min-height: 360px;
  align-content: center;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 24px;
  border-top: 1px solid var(--color-border);
  padding-block: 48px;
}

.feature-detail-icon {
  display: grid;
  width: 64px;
  height: 64px;
  place-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-accent);
}

.feature-detail-icon svg {
  width: 30px;
  height: 30px;
}

.fact-note {
  margin-top: 18px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

.preview-section {
  padding-top: 96px;
  padding-bottom: 96px;
}

.preview-heading {
  max-width: 720px;
  margin-bottom: 36px;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.preview-stack {
  display: grid;
  gap: 18px;
}

.preview-color-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(130px, 1fr));
  gap: 12px;
}

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

.preview-swatch-color {
  height: 82px;
}

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

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

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

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

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

.preview-swatch-color.accent-dark {
  background: var(--color-accent-dark);
}

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

.preview-swatch-color.muted {
  background: var(--color-text-muted);
}

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

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

.preview-swatch-label {
  padding: 10px 12px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.preview-type {
  display: grid;
  gap: 24px;
}

.preview-type-row {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 24px;
}

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

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

.preview-footer {
  margin-top: 96px;
}

.preview-note {
  color: var(--color-text-muted);
  font-size: 14px;
}

@media (max-width: 1080px) {
  .window-body {
    grid-template-columns: 180px minmax(280px, 1fr) minmax(240px, 0.85fr);
  }

  .platform-grid {
    grid-template-columns: repeat(3, minmax(150px, 1fr));
  }

  .pricing-grid {
    grid-template-columns: repeat(2, minmax(var(--price-card-min), 1fr));
  }

  .preview-color-grid {
    grid-template-columns: repeat(3, minmax(130px, 1fr));
  }
}

@media (max-width: 768px) {
  .hero-inner {
    padding-top: 28px;
  }

  .hero-title {
    font-size: clamp(28px, 9.6vw, 40px);
  }

  .hero-copy {
    font-size: 15px;
  }

  .platform-strip {
    gap: 12px 18px;
  }

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

  .window-sidebar,
  .window-list {
    border-right: 0;
    border-bottom: 1px solid var(--color-border);
  }

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

  .window-caption {
    grid-column: 1 / -1;
  }

  .connection-panel {
    min-height: 230px;
  }

  .feature-flow {
    display: block;
  }

  .feature-index {
    display: none;
  }

  .feature-detail {
    min-height: auto;
  }

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

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

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

  .toc-tabs {
    top: 8px;
  }
}

@media (max-width: 640px) {
  .hero-actions {
    width: 100%;
    align-items: stretch;
    flex-direction: column;
  }

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

  .fact-strip {
    align-items: stretch;
    flex-direction: column;
  }

  .fact-pill {
    justify-content: center;
  }

  .window-title {
    padding-right: 0;
    text-align: right;
  }

  .window-sidebar {
    grid-template-columns: 1fr;
  }

  .window-caption {
    grid-column: auto;
  }

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

  .feature-detail {
    grid-template-columns: 1fr;
  }

  .price-card,
  .article-card,
  .platform-card {
    transform: none;
  }

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