header{
  position:sticky;
  top:0;
  z-index:1000;
  background:#fff;
  box-shadow:0 4px 18px rgba(20,20,20,.08);
}

.card{
  position:relative;
  box-shadow:0 6px 20px rgba(20,20,20,.075);
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}

.new-badge{
  display:inline-flex;
  align-items:center;
  flex:0 0 auto;
  min-height:24px;
  padding:4px 9px 3px;
  border-radius:3px;
  background:#e60012;
  color:#fff;
  box-shadow:0 3px 9px rgba(230,0,18,.2);
  font-size:11px;
  font-weight:800;
  line-height:1;
  letter-spacing:1px;
}

.tag-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  min-height:24px;
}

.card:hover{
  box-shadow:0 12px 30px rgba(20,20,20,.12);
  transform:translateY(-2px);
}

.product-info{
  background:#fff;
  border:1px solid #e4e4e4;
  border-radius:6px;
  padding:24px;
  box-shadow:0 8px 24px rgba(20,20,20,.075);
}

@media(max-width:640px){
  header{
    box-shadow:0 3px 14px rgba(20,20,20,.08);
  }

  .card{
    box-shadow:0 5px 16px rgba(20,20,20,.07);
  }

  .product-info{
    padding:20px 18px;
    box-shadow:0 6px 18px rgba(20,20,20,.07);
  }
}

@media(prefers-reduced-motion:reduce){
  .card:hover{
    transform:none;
  }
}