* {
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
  margin: 0;
  background: #fff;
}

.product-page {
  max-width: 1200px;
  margin: auto;
  padding: 30px;
  display: flex;
  gap: 40px;
}

/* GALLERY */
.gallery {
  flex: 1;
  display: flex;
  gap: 15px;
}

.thumbs img {
  width: 70px;
  margin-bottom: 10px;
  cursor: pointer;
  border: 1px solid #ddd;
}

.img-zoom-container {
  position: relative;
}

#mainImg {
  width: 450px;
  border: 1px solid #eee;
}

/* ZOOM RESULT */
#zoomResult {
  position: absolute;
  top: 0;
  left: 470px;
  width: 350px;
  height: 350px;
  border: 1px solid #ddd;
  background-repeat: no-repeat;
  display: none;
}

/* DETAILS */
.details {
  flex: 1;
}

.rating {
  color: #1a9c52;
  font-size: 14px;
}

.price {
  font-size: 24px;
  font-weight: bold;
}

.price span {
  font-size: 14px;
  color: #777;
}

.block {
  margin: 20px 0;
}

.colors {
  display: flex;
  gap: 10px;
}

.color {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid #ddd;
  cursor: pointer;
}

.color.black { background: black; }
.color.red { background: red; }
.color.blue { background: blue; }

.color.active {
  border-color: black;
}

.sizes button {
  padding: 8px 16px;
  border: 1px solid #ccc;
  background: white;
  cursor: pointer;
  margin-right: 8px;
}

.sizes .active {
  border: 2px solid black;
}

.qty {
  display: flex;
  align-items: center;
  gap: 15px;
  margin: 20px 0;
}

.qty button {
  width: 36px;
  height: 36px;
  font-size: 20px;
}

.cart-btn {
  width: 100%;
  padding: 15px;
  background: #d0021b;
  color: white;
  border: none;
  font-size: 18px;
  cursor: pointer;
}

.badges {
  margin-top: 20px;
  padding: 0;
  list-style: none;
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .product-page {
    flex-direction: column;
  }

  #zoomResult {
    display: none !important;
  }

  #mainImg {
    width: 100%;
  }
}