.product-details-page {
  background: #f8f8f8;
  padding: 20px;
  border-radius: 16px;
}

/* Slider */
.detail-img {
  height: 420px;
  object-fit: cover;
  border-radius: 12px;
  background: #fff;
}

.thumb-img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: 10px;
  cursor: pointer;
  border: 2px solid #eee;
}

.thumb-img:hover {
  border-color: #1c8060;
}

/* Product Info */
.product-title {
  font-size: 32px;
  font-weight: 700;
}

.new-price {
  font-size: 28px;
  font-weight: 700;
  color: #2f9f7f;
}

.old-price {
  text-decoration: line-through;
  color: #888;
  margin-left: 10px;
}

/* Buttons */
.btn-add-cart {
  background: #2f9f7f;
  padding: 12px 20px;
  color: #fff;
  border: none;
  font-weight: 600;
  border-radius: 8px;
}

.btn-buy {
  background: #ff7f50;
  padding: 12px 20px;
  color: #fff;
  border: none;
  font-weight: 600;
  border-radius: 8px;
}

/* Features */
.benefit-list li {
  margin-bottom: 6px;
}

/* Related Products */
.related-card {
  background: #fff;
  padding: 12px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 0 10px rgba(0,0,0,0.08);
}

.related-img {
  height: 150px;
  width: 100%;
  border-radius: 10px;
  object-fit: cover;
}

.price-related {
  color: #2f9f7f;
  font-weight: 700;
}

/* Responsive */
@media (max-width: 768px) {
  .detail-img {
    height: 300px;
  }

  .thumb-img {
    width: 60px;
    height: 60px;
  }

  .product-title {
    font-size: 24px;
  }
}