/* Variants / Buy – Produkt-Telefon */

.variants-section { background-color: var(--color-surface); }

.variants__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

.variants__preview {
  position: sticky;
  top: calc(var(--header-height) + 2rem);
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  box-shadow: var(--shadow-md);
}

.variants__preview img {
  max-height: 420px;
  width: auto;
  object-fit: contain;
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.variants__preview img.is-changing {
  opacity: 0;
  transform: scale(0.95);
}

.variants__controls { padding-top: var(--space-4); }

.variants__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-6);
}

/* Color picker */
.color-picker {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.color-swatch {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 3px solid transparent;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  box-shadow: 0 0 0 2px transparent;
}

.color-swatch:hover { transform: scale(1.1); }
.color-swatch:focus-visible { box-shadow: 0 0 0 3px var(--color-text); }
.color-swatch--active { box-shadow: 0 0 0 3px var(--color-text); transform: scale(1.05); }

/* Storage picker */
.variants__label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semi);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.storage-options { display: flex; gap: var(--space-3); margin-bottom: var(--space-6); }

.storage-btn {
  padding: 10px 20px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semi);
  color: var(--color-text-muted);
  background: #fff;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.storage-btn:hover { border-color: var(--color-text); color: var(--color-text); }
.storage-btn--active { border-color: var(--color-text); color: var(--color-text); background: var(--color-text); color: #fff; }

.storage-extra {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-normal);
  opacity: 0.7;
}

/* Price */
.product-price {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.product-price__current {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extra);
  color: var(--color-text);
  transition: transform var(--transition-fast);
}

.product-price__old {
  font-size: var(--font-size-xl);
  color: var(--color-text-dim);
  text-decoration: line-through;
}

/* Add to cart */
.add-to-cart { margin-bottom: var(--space-6); }

/* Perks */
.product-perks { display: flex; flex-direction: column; gap: var(--space-3); }

.perk {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

@media (max-width: 900px) {
  .variants__layout { grid-template-columns: 1fr; }
  .variants__preview { position: static; max-width: 360px; margin-inline: auto; }
}