.woocommerce div.product.simple-product-image div.images {
  float: none;
  width: 100%;
  margin-bottom: 0;
}

/* Main image */
.simple-product-image .flex-viewport,
.simple-product-image .woocommerce-product-gallery__image {
  border-radius: 12px;
  overflow: hidden;
}
.simple-product-image .flex-viewport {
  box-shadow: 0 10px 30px rgba(0,0,0,.08);
}
.simple-product-image .woocommerce-product-gallery__image img {
  transition: transform .5s ease;
}
.simple-product-image .woocommerce-product-gallery__image:hover img {
  transform: scale(1.03);
}

/* Thumbnails */
.woocommerce div.product .simple-product-image .flex-control-thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-top: 12px;
}
.woocommerce div.product .simple-product-image .flex-control-thumbs li {
  width: auto; float: none; margin: 0;
}
.simple-product-image .flex-control-thumbs img {
  border-radius: 8px;
  border: 2px solid transparent;
  opacity: .55;
  transition: opacity .2s, border-color .2s, transform .2s;
}
.simple-product-image .flex-control-thumbs img:hover { opacity: .9; transform: translateY(-2px); }
.simple-product-image .flex-control-thumbs img.flex-active {
  opacity: 1;
  border-color: #b8925a; /* swap for your brand colour */
}

/* Arrows */
.simple-product-image .woocommerce-product-gallery { position: relative; }
.simple-product-image .flex-direction-nav { list-style: none; margin: 0; padding: 0; }
.simple-product-image .flex-direction-nav a {
  position: absolute; top: 40%; z-index: 5;
  width: 42px; height: 42px; border-radius: 50%;
  background: rgba(255,255,255,.9); box-shadow: 0 2px 10px rgba(0,0,0,.15);
  font-size: 0; opacity: 0; transition: opacity .25s;
}
.simple-product-image .flex-direction-nav a::before {
  font-size: 20px; line-height: 42px; display: block; text-align: center; color: #333;
}
.simple-product-image .flex-direction-nav .flex-prev { left: 12px; }
.simple-product-image .flex-direction-nav .flex-next { right: 12px; }
.simple-product-image .flex-direction-nav .flex-prev::before { content: "‹"; }
.simple-product-image .flex-direction-nav .flex-next::before { content: "›"; }
.simple-product-image .woocommerce-product-gallery:hover .flex-direction-nav a { opacity: 1; }

/* Lightbox trigger (magnifier icon) */
.simple-product-image .woocommerce-product-gallery__trigger {
  top: 12px; right: 12px; border-radius: 50%;
  background: #fff; box-shadow: 0 2px 10px rgba(0,0,0,.15);
}