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

.tab-list {
  display: flex;
  max-width: 100%;
  align-items: center;
  gap: 6px;
  padding: 6px;
  overflow-x: auto;
  border: var(--line);
  border-radius: var(--radius-medium);
  background: var(--color-panel);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.tab-list [role="tab"] {
  min-height: 42px;
  flex: 0 0 auto;
  padding: 0 18px;
  border-radius: var(--radius-small);
  background: transparent;
  color: var(--color-muted);
  cursor: pointer;
  font-weight: 700;
}

.tab-list [role="tab"][aria-selected="true"],
.tab-list [role="tab"].is-active {
  background: var(--color-accent);
  color: var(--color-white);
}

.tab-panel {
  padding-top: 28px;
}

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

.toc-tabs {
  position: sticky;
  z-index: 40;
  top: 12px;
  display: flex;
  max-width: 100%;
  gap: 6px;
  margin-bottom: 38px;
  padding: 7px;
  overflow-x: auto;
  border: var(--line);
  border-radius: var(--radius-medium);
  background: var(--color-bg);
  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;
  padding: 0 15px;
  border-radius: var(--radius-small);
  color: var(--color-muted);
  font-size: 14px;
  font-weight: 650;
}

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

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

.faq-list {
  display: grid;
  border-top: var(--line);
}

.faq-item {
  border-bottom: var(--line);
}

.faq-item summary {
  position: relative;
  display: flex;
  min-height: 68px;
  align-items: center;
  padding: 16px 44px 16px 0;
  cursor: pointer;
  font-weight: 750;
  list-style: none;
}

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

.faq-item summary::after {
  position: absolute;
  right: 4px;
  width: 24px;
  height: 24px;
  content: "+";
  color: var(--color-accent);
  font-size: 22px;
  font-weight: 400;
  line-height: 24px;
  text-align: center;
  transition: transform var(--transition-fast);
}

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

.faq-answer {
  max-width: 58em;
  padding: 0 44px 24px 0;
  color: var(--color-muted);
  line-height: 1.85;
}

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

.plan-card {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 30px;
  border: var(--line);
  border-radius: var(--radius-medium);
  background: var(--color-bg);
  box-shadow: var(--shadow-card);
}

.plan-card.is-featured {
  border-color: var(--color-accent);
  box-shadow: 0 20px 52px rgb(14 107 63 / 13%);
}

.plan-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  display: inline-flex;
  max-width: calc(100% - 28px);
  min-height: 26px;
  align-items: center;
  padding: 0 10px;
  overflow: hidden;
  border-radius: var(--radius-pill);
  background: var(--color-gold-soft);
  color: var(--color-warning);
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.plan-name {
  padding-right: 72px;
  font-size: 20px;
  font-weight: 800;
}

.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-muted);
}

.plan-note {
  min-height: 52px;
  margin-top: 14px;
  color: var(--color-muted);
  font-size: 14px;
}

.plan-features {
  display: grid;
  gap: 10px;
  margin: 24px 0;
  list-style: none;
}

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

.plan-features li::before {
  position: absolute;
  top: .6em;
  left: 2px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-gold);
  content: "";
}

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

.table-scroll {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  border: var(--line);
  border-radius: var(--radius-medium);
  background: var(--color-bg);
  -webkit-overflow-scrolling: touch;
}

.data-table,
.server-table,
.comparison-table {
  width: 100%;
  min-width: 720px;
  text-align: left;
}

.data-table th,
.data-table td,
.server-table th,
.server-table td,
.comparison-table th,
.comparison-table td {
  padding: 15px 18px;
  border-bottom: var(--line);
  color: var(--color-muted);
  font-size: 14px;
  vertical-align: middle;
}

.data-table th,
.server-table th,
.comparison-table th {
  background: var(--color-panel);
  color: var(--color-text);
  font-weight: 800;
  white-space: nowrap;
}

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

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

.server-group-row th {
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  letter-spacing: .04em;
}

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

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

.platform-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: flex-start;
  padding: 22px;
  border: var(--line);
  border-radius: var(--radius-medium);
  background: var(--color-bg);
  transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.platform-card:hover {
  border-color: var(--color-gold);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.platform-icon {
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  color: var(--color-accent);
}

.platform-card h3 {
  margin-top: 18px;
  font-size: 17px;
}

.platform-card p {
  margin: 8px 0 18px;
  color: var(--color-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: 18px;
}

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

.article-card:hover {
  border-color: var(--color-gold);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--color-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-muted);
}

.article-link {
  margin-top: auto;
  padding-top: 20px;
  color: var(--color-accent);
  font-weight: 750;
}

.callout {
  padding: 20px 22px;
  border-left: 3px solid var(--color-gold);
  border-radius: 0 var(--radius-medium) var(--radius-medium) 0;
  background: var(--color-gold-soft);
  color: var(--color-text);
}

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

.article-promo {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 26px;
  align-items: center;
  margin-top: 64px;
  padding: clamp(28px, 5vw, 52px);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-medium);
  background: linear-gradient(120deg, var(--color-accent-soft), var(--color-bg));
}

.article-promo-brand {
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 800;
}

.article-promo h2 {
  margin-top: 8px;
  font-size: clamp(26px, 3.5vw, 40px);
}

.article-promo p {
  margin-top: 10px;
  color: var(--color-muted);
}

.float-cta {
  position: fixed;
  z-index: 200;
  right: 28px;
  bottom: calc(28px + env(safe-area-inset-bottom, 0px));
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  gap: 9px;
  padding: 0 24px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-white);
  box-shadow: var(--shadow-float);
  font-size: 15px;
  font-weight: 800;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

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

.float-cta svg {
  width: 16px;
  height: 16px;
  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;
  padding-top: 20px;
  overflow-x: clip;
  background: var(--color-bg);
}

.hero-preview::before {
  position: absolute;
  inset: 10% 0 0 46%;
  border-radius: 50%;
  background: radial-gradient(closest-side, var(--color-panel), var(--color-bg));
  content: "";
  pointer-events: none;
}

.hero-preview-grid {
  position: relative;
  display: grid;
  grid-template-columns: 560px minmax(0, 1fr);
  gap: 44px;
  align-items: center;
}

.hero-preview-copy {
  position: relative;
  z-index: 2;
}

.hero-preview-copy .hero-title {
  margin-top: 20px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.hero-description {
  max-width: 34em;
  margin-top: 24px;
  color: var(--color-muted);
  font-size: 16px;
  line-height: 1.85;
}

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

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 18px;
}

.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--color-muted);
  font-size: 13px;
}

.trust-item::before {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border: 2px solid var(--color-success);
  border-radius: 50%;
  content: "";
}

.platform-strip {
  margin-top: 30px;
  padding-top: 20px;
  border-top: var(--line);
}

.platform-caption {
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
}

.platform-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 25px;
  margin-top: 14px;
  list-style: none;
}

.platform-inline li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--color-accent);
}

.platform-inline svg {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  fill: currentColor;
}

.platform-inline span {
  color: var(--color-muted);
  font-size: 13px;
}

.hero-device {
  position: relative;
  z-index: 1;
  min-height: 620px;
}

.flute-visual {
  width: 100%;
  max-height: 720px;
}

.flute-line {
  fill: none;
  stroke: var(--color-accent);
  stroke-width: 1.5;
}

.flute-glint,
.bubble-path {
  fill: none;
  stroke: var(--color-gold);
  stroke-width: 1.1;
}

.bubble-path {
  stroke-dasharray: 2 7;
  opacity: .58;
}

.bubble {
  fill: var(--color-gold-soft);
  stroke: var(--color-gold);
  stroke-width: 1;
  animation: bubble-rise 4.8s linear infinite;
}

.bubble-delay-a {
  animation-delay: -1.6s;
}

.bubble-delay-b {
  animation-delay: -3.2s;
}

@keyframes bubble-rise {
  from {
    opacity: .3;
    transform: translateY(24px);
  }

  40% {
    opacity: 1;
  }

  to {
    opacity: .15;
    transform: translateY(-52px);
  }
}

.flag-rail {
  fill: none;
  stroke: var(--color-border);
  stroke-dasharray: 2 7;
}

.flag-ring {
  fill: var(--color-bg);
  stroke: var(--color-gold);
  stroke-width: 1.3;
}

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

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

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

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

.flag-label {
  fill: var(--color-muted);
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  text-anchor: middle;
}

.preview-section {
  padding-top: 90px;
  padding-bottom: 90px;
  overflow-x: clip;
}

.preview-heading {
  max-width: 740px;
  margin-bottom: 38px;
}

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

.color-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.color-swatch {
  min-width: 0;
  overflow: hidden;
  border: var(--line);
  border-radius: var(--radius-medium);
  background: var(--color-bg);
}

.color-sample {
  height: 82px;
}

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

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

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

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

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

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

.color-sample-muted {
  background: var(--color-muted);
}

.color-sample-gold {
  background: var(--color-gold);
}

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

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

.color-label {
  padding: 12px;
}

.color-label strong,
.color-label code {
  display: block;
  overflow-wrap: anywhere;
}

.color-label code {
  margin-top: 5px;
  color: var(--color-muted);
  font-size: 11px;
}

.type-samples {
  display: grid;
  gap: 28px;
}

.type-note {
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
}

.button-demo {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

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

.static-footer-preview {
  margin-top: 90px;
}

@media (max-width: 1050px) {
  .pricing-grid,
  .article-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .hero-preview-grid {
    grid-template-columns: minmax(0, 1fr) minmax(390px, .9fr);
  }

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

@media (max-width: 768px) {
  .hero-preview {
    padding-top: 42px;
  }

  .hero-preview::before {
    inset: 44% -20% 0;
  }

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

  .hero-device {
    min-height: 450px;
  }

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

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

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

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

@media (max-width: 640px) {
  .toc-tabs {
    top: 6px;
    margin-inline: 0;
  }

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

  .hero-actions .btn {
    flex: 1 1 140px;
  }

  .platform-inline {
    gap: 14px 18px;
  }

  .platform-inline span {
    font-size: 12px;
  }

  .hero-device {
    min-height: 360px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .bubble {
    animation: none;
  }
}