/* Global Back to Top button */
.ab-backtop{
  position:fixed;
  right:22px;
  bottom:22px;
  width:48px;
  height:48px;
  border-radius:999px;
  border:1px solid rgba(15,23,42,.12);
  background:rgba(255,255,255,.94);
  color:#0f172a;
  box-shadow:0 16px 40px rgba(15,23,42,.16);
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:950;
  font-size:20px;
  z-index:9999;
  cursor:pointer;
  opacity:0;
  pointer-events:none;
  transform:translateY(10px);
  transition:opacity .18s ease, transform .18s ease, box-shadow .18s ease;
  backdrop-filter:blur(12px);
}

.ab-backtop.show{
  opacity:1;
  pointer-events:auto;
  transform:translateY(0);
}

.ab-backtop:hover{
  box-shadow:0 20px 54px rgba(15,23,42,.24);
}

@media(max-width:760px){
  .ab-backtop{
    right:14px;
    bottom:14px;
    width:44px;
    height:44px;
  }
}