/* =========================================
   Product Detail Page
   ========================================= */

.product {
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: 100%;
  min-height: calc(100vh - 80px);
}

/* ---- Gallery Column ---- */

.product__gallery {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--color-border);
  padding: 2rem;
}

.product__main-image {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.product__main-image img {
  max-width: 100%;
  max-height: 55vh;
  object-fit: contain;
}

.product__thumbs {
  display: flex;
  gap: 0.75rem;
  border-top: 1px solid var(--color-border);
  padding-top: 1.5rem;
  overflow-x: auto;
  scrollbar-width: none;
}

.product__thumbs::-webkit-scrollbar {
  display: none;
}

.product__thumb {
  flex: 0 0 80px;
  height: 80px;
  padding: 0;
  border: 1px solid var(--color-border);
  background: #fff;
  cursor: pointer;
  transition: border-color 0.2s ease;
}

.product__thumb--active {
  border-color: var(--color-text);
  border-width: 2px;
}

.product__thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 4px;
}

/* ---- Info Column ---- */

.product__info {
  display: flex;
  flex-direction: column;
  padding: 2rem;
}

.product__title {
  font-family: var(--font-body);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}

.product__subtitle {
  font-family: var(--font-body);
  font-size: 1rem;
  color: #666;
  margin-bottom: 1.5rem;
}

.product__price {
  font-family: var(--font-body);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
}

.product__description {
  margin-bottom: 2rem;
}

.product__desc-heading {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.product__desc-text {
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--color-text);
}

.product__actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: auto;
}

.product__btn {
  padding: 1rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: opacity 0.2s ease;
  text-align: center;
}

.product__btn:hover {
  opacity: 0.85;
}

.product__btn--buy {
  background-color: var(--color-text);
  color: var(--color-bg);
  border: 1px solid var(--color-text);
}

.product__btn--cart {
  background-color: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.product__btn--cart:hover {
  border-color: var(--color-text);
}

/* ---- Mobile ---- */

@media (max-width: 768px) {
  .product {
    grid-template-columns: 1fr;
  }

  .product__gallery {
    border-right: none;
    border-bottom: 1px solid var(--color-border);
  }

  .product__title {
    font-size: 1.5rem;
  }

  .product__price {
    font-size: 1.25rem;
  }

  .product__thumb {
    flex: 0 0 60px;
    height: 60px;
  }
}