*{
  margin:0;
  padding:0;
  box-sizing:border-box;
  font-family:Poppins,sans-serif;
}

body{
  background:#0e0e0e;
  color:#fff;
}

.product-header{
  height:86px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 40px;
  background:#000;
  border-bottom:1px solid rgba(255,255,255,0.08);
  position:sticky;
  top:0;
  z-index:100;
}

.product-header-left{
  display:flex;
  align-items:center;
  gap:28px;
}

.back-link{
  text-decoration:none;
  color:#fff;
  font-size:14px;
  font-weight:600;
  opacity:.75;
}

.back-link:hover{
  opacity:1;
}

.logo{
  font-size:30px;
  font-weight:900;
  letter-spacing:0.22em;
  color:#fff;
  text-decoration:none;
}

.product-nav{
  display:flex;
  align-items:center;
  gap:24px;
}

.product-nav a{
  text-decoration:none;
  color:rgba(255,255,255,0.8);
  font-size:14px;
  font-weight:600;
  text-transform:uppercase;
  letter-spacing:0.08em;
}

.product-nav a:hover{
  color:#fff;
}

#productDetail{
  max-width:1180px;
  margin:auto;
  padding:60px 30px;
}

.detail-page{
  display:grid;
  grid-template-columns:1.2fr 0.85fr;
  gap:60px;
  align-items:start;
}

.detail-left{
  display:flex;
  flex-direction:column;
  gap:20px;
}

.product-gallery{
  display:grid;
  grid-template-columns:1fr 100px;
  gap:20px;
}

.detail-image{
  width:100%;
  min-height:720px;
  object-fit:cover;
  border-radius:24px;
  box-shadow:0 30px 90px rgba(0,0,0,0.35);
  border:1px solid rgba(255,255,255,0.08);
}

.thumbnail-list{
  display:grid;
  gap:16px;
}

.thumbnail{
  width:100px;
  height:100px;
  object-fit:cover;
  border-radius:18px;
  cursor:pointer;
  opacity:0.7;
  transition:opacity 0.2s ease, transform 0.2s ease;
}

.thumbnail:hover,
.thumbnail.active{
  opacity:1;
  transform:translateY(-2px);
}

.detail-right{
  display:flex;
  flex-direction:column;
  gap:26px;
}

.product-labels{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}

.product-label{
  padding:10px 16px;
  border-radius:999px;
  background:#fff;
  color:#111;
  font-size:12px;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:0.12em;
}

.detail-right h1{
  font-size:48px;
  line-height:1.02;
  letter-spacing:0.04em;
}

.detail-right .product-subtitle{
  font-size:16px;
  color:#777;
  letter-spacing:0.02em;
}

.detail-right .price{
  font-size:42px;
  font-weight:800;
  margin-top:8px;
  color:#fff;
}

.product-meta{
  display:grid;
  grid-template-columns:repeat(2, minmax(140px, 1fr));
  gap:16px;
}

.meta-item{
  background:rgba(255,255,255,0.08);
  border:1px solid rgba(255,255,255,0.08);
  border-radius:20px;
  padding:20px 22px;
}

.meta-item span{
  display:block;
  font-size:12px;
  color:rgba(255,255,255,0.75);
  margin-bottom:10px;
}

.meta-item strong{
  font-size:16px;
  color:#fff;
}

.product-description{
  line-height:1.9;
  color:rgba(255,255,255,0.85);
  margin-top:10px;
}

.product-actions{
  display:flex;
  gap:18px;
  flex-wrap:wrap;
}

.add-to-cart,
.save-button{
  border:none;
  cursor:pointer;
  border-radius:999px;
  font-size:15px;
  font-weight:800;
  padding:18px 30px;
  transition:transform 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

.add-to-cart{
  background:#fff;
  color:#000;
  box-shadow:0 18px 45px rgba(0,0,0,0.18);
}

.add-to-cart:hover{
  background:#f7f7f7;
  transform:translateY(-2px);
}

.save-button{
  background:transparent;
  color:#fff;
  border:1px solid rgba(255,255,255,0.65);
}

.save-button:hover{
  background:rgba(255,255,255,0.08);
  transform:translateY(-2px);
}

.detail-info{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
  margin-top:40px;
}

.detail-feature{
  background:transparent;
  border:1px solid rgba(255,255,255,0.08);
  padding:32px;
  border-radius:24px;
}

.detail-feature h3{
  margin-bottom:18px;
  font-size:18px;
  color:#fff;
}

.detail-feature p{
  color:rgba(255,255,255,0.8);
  line-height:1.8;
}

.related-products{
  margin-top:60px;
}

.related-products h2{
  font-size:24px;
  margin-bottom:24px;
}

.related-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(240px, 1fr));
  gap:20px;
}

.card{
  background:#111;
  border:1px solid rgba(255,255,255,0.08);
  border-radius:24px;
  overflow:hidden;
  box-shadow:0 18px 48px rgba(0,0,0,0.25);
}

.card img{
  width:100%;
  height:220px;
  object-fit:cover;
  display:block;
  cursor:pointer;
}

.card-body{
  padding:20px;
  display:flex;
  flex-direction:column;
  gap:14px;
}

.card-body h3{
  font-size:18px;
  margin:0;
  color:#fff;
}

.card-body .price{
  font-weight:700;
  color:#fff;
}

.card-body button{
  padding:14px 18px;
  border:none;
  border-radius:999px;
  background:#111;
  color:#fff;
  cursor:pointer;
  transition:transform 0.2s ease, background 0.2s ease;
}

.card-body button:hover{
  background:#333;
  transform:translateY(-2px);
}


@media(max-width:1080px){
  .detail-page{
    grid-template-columns:1fr;
  }
  .detail-info{
    grid-template-columns:1fr;
  }
}

@media(max-width:760px){
  #productDetail{
    padding:30px 20px;
  }
  .detail-right h1{
    font-size:34px;
  }
  .detail-right .price{
    font-size:32px;
  }
  .product-gallery{
    grid-template-columns:1fr;
  }
  .thumbnail{
    width:80px;
    height:80px;
  }
}

/* Disable hover pop-up animations globally */
*,
*::before,
*::after {
    transition: none !important;
    animation: none !important;
}

*:hover {
    transform: none !important;
}