.cards-page {
  padding: 4rem 1.5rem 6rem;
  width: min(1200px, 100%);
  margin: 0 auto;
}

.cards-hero {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3rem;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.expand-card {
  background: rgba(20, 20, 52, 0.85);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform var(--transition-base), border-color var(--transition-base);
}

.expand-card.is-expanded {
  grid-column: span 2;
  transform: scale(1.01);
  border-color: rgba(155, 108, 255, 0.8);
}

.cards-grid.worlds .expand-card.is-expanded {
  grid-column: span 3;
}

.card-toggle {
  background: none;
  border: none;
  text-align: left;
  width: 100%;
  color: inherit;
  cursor: pointer;
  padding: 0;
}

.card-visual {
  height: 220px;
  background-size: cover;
  background-position: center;
  filter: grayscale(0.1);
}

.card-content {
  padding: 1.5rem;
}

.card-content h3 {
  margin: 0 0 0.5rem;
}

.card-content p {
  margin: 0;
}

.card-details {
  max-height: 0;
  overflow: hidden;
  transition: max-height 400ms ease;
  margin-top: 1rem;
}

.expand-card.is-expanded .card-details {
  max-height: 400px;
}

@media (max-width: 768px) {
  .expand-card.is-expanded,
  .cards-grid.worlds .expand-card.is-expanded {
    grid-column: span 1;
  }
}