/* Model Cards */
.model-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  width: 100%;
}

.model-card {
  position: relative;
  border: none;
  background: linear-gradient(#ffffff, #f3eee0) padding-box,
    var(--silver) border-box;
  border-radius: 18px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  cursor: pointer;
  text-align: left;
  color: var(--text-main);
  box-shadow: 0 12px 28px var(--shadow);
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    border-color var(--transition-fast),
    background var(--transition-fast);
  font: inherit;
  outline: none;
}

.model-card::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(47, 43, 220, 0.22), rgba(141, 97, 255, 0.18));
  opacity: 0;
  transition: opacity var(--transition-fast);
  pointer-events: none;
  z-index: -1;
}

.model-card:hover,
.model-card:focus-visible {
  transform: translateY(-4px);
  box-shadow: 0 18px 36px var(--shadow-strong);
}

.model-card:hover::after,
.model-card:focus-visible::after {
  opacity: 1;
}

.model-card:focus-visible {
  box-shadow: 0 0 0 3px rgba(76, 52, 255, 0.25), 0 18px 36px var(--shadow-strong);
}

.model-card.active {
  border: 1px solid var(--accent-secondary);
  box-shadow: 0 20px 40px rgba(47, 43, 220, 0.22);
}

.model-card.active::after {
  opacity: 1;
}

.model-card-header {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.model-card-title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-contrast);
  letter-spacing: 0.01em;
}

.model-card-subtitle {
  margin: 0;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-secondary);
}

.model-card-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.model-card-body p {
  margin: 0;
  color: var(--text-main);
}

.model-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.model-card-meta span {
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.model-card-meta strong {
  color: var(--accent-contrast);
  font-weight: 600;
  letter-spacing: 0.06em;
  background: rgba(76, 52, 255, 0.12);
  padding: 4px 10px;
  border-radius: 999px;
}

@media (max-width: 640px) {
  .model-cards {
    grid-template-columns: 1fr;
  }

  .model-card {
    padding: 18px;
  }
}