.genea-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3rem;
  align-items: center;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  padding: 0 0 2rem 0;
}

.section {
  padding: 3.5rem 0;
}

.section-head {
  margin-bottom: 1.5rem;
}

.section-head h2 {
  font-size: 1.6rem;
  font-weight: 600;
}

.grid-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.2rem;
}

.detail-list{
  display: grid;
  gap: 1.2rem;
}

.detail{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
  padding: 2rem;
  border-radius: 12px;
}

.detail-copy h3{
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.detail-copy p + p{
  margin-top: 0.8rem;
}

.detail-media{
  min-width: 0;
}

.feature-list{
  margin-top: 1rem;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.6rem;
  color: var(--text2);
  font-size: 0.95rem;
}

.feature-list strong{
  color: var(--text1);
  font-weight: 600;
}

.themes-copy h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.themes-copy p + p {
  margin-top: 0.8rem;
}

.themes-stack {
  position: relative;
  height: auto;
  max-width: 100%;
  border-radius: 10px;
  border: 1px solid var(--accent1);
  background: var(--secondary);
  overflow: hidden;
  padding: 14px;
  box-shadow: 0 20px 60px var(--soft-shadow);
}

.theme-pick {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.theme-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 12px;
}

.theme-tabs .tab {
  cursor: pointer;
  user-select: none;
  font-size: 0.9rem;
  color: var(--text2);
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--accent1);
  border-radius: 999px;
  background: var(--soft-surface);
  transition: all 0.18s ease;
}

.theme-tabs .tab:hover {
  color: var(--text1);
  border-color: var(--text2);
}

.theme-stage{
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: 10px;
  overflow: hidden;
  background: var(--primary);
  border: 1px solid var(--accent1);
  box-shadow: 0 20px 60px var(--soft-shadow);
}

.theme-card{
  position: absolute;
  border-radius: 10px;
  overflow: hidden;
  background: var(--soft-surface);
  opacity: 0;
  transform: none;
  filter: none;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.theme-card img{
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
  background: var(--primary);
}

.theme-label {
  position: absolute;
  top: 10px;
  left: 10px;
  font-size: 0.85rem;
  color: var(--text1);
  padding: 0.25rem 0.55rem;
  border: 1px solid var(--accent1);
  background: rgba(0, 0, 0, 0.25);
  border-radius: 999px;
  z-index: 2;
}

#th-catfox:checked  ~ .theme-stage .theme-catfox,
#th-carbon:checked  ~ .theme-stage .theme-carbon,
#th-cosmos:checked  ~ .theme-stage .theme-cosmos,
#th-moonveil:checked ~ .theme-stage .theme-moonveil,
#th-toffee:checked  ~ .theme-stage .theme-toffee {
  opacity: 1;
  pointer-events: auto;
}

#th-catfox:checked   ~ .theme-tabs label[for="th-catfox"],
#th-carbon:checked   ~ .theme-tabs label[for="th-carbon"],
#th-cosmos:checked   ~ .theme-tabs label[for="th-cosmos"],
#th-moonveil:checked ~ .theme-tabs label[for="th-moonveil"],
#th-toffee:checked   ~ .theme-tabs label[for="th-toffee"] {
  color: var(--text1);
  border-color: var(--accent2);
  background: var(--accent2);
  box-shadow: 0 0 20px var(--soft-glow);
}

.cta-box{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 2rem;
  background: var(--secondary);
  border: 1px solid var(--accent1);
  border-radius: 12px;
}

.cta-actions{
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.faq .qa {
  border: 1px solid var(--accent1);
  border-radius: 8px;
  background: var(--secondary);
  padding: 0.9rem 1rem;
}

.faq .qa + .qa {
  margin-top: 0.8rem;
}

.faq summary {
  cursor: pointer;
  list-style: none;
  font-weight: 600;
}

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

.faq summary::after {
  content: "+";
  float: right;
  color: var(--text2);
}

.faq details[open] summary::after {
  content: "–";
}

.faq details p {
  margin-top: 0.75rem;
  color: var(--text2);
  font-size: 0.95rem;
}

.tech-table{
  width: 100%;
  border-collapse: collapse;
}

.tech-table th,
.tech-table td{
  padding: 0.85rem 0.9rem;
  border: 1px solid var(--accent1);
  vertical-align: top;
}

.tech-table th{
  text-align: left;
  font-weight: 600;
  color: var(--text1);
}

.tech-table td{
  color: var(--text2);
}

@media (min-width: 901px){
  .detail-list .detail:nth-child(even) .detail-copy{ order: 2; text-align: left; }
  .detail-list .detail:nth-child(even) .detail-media{ order: 1; }
}

@media (max-width: 900px) {
  .genea-grid {
    grid-template-columns: 1fr;
  }

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

  .detail{
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }

  .cta-box{
    flex-direction: column;
    align-items: flex-start;
  }
}