#loader-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(255,255,255,0.90);
  backdrop-filter: blur(3px);
  display: flex;
  justify-content: center;
  align-items: center;
  transition: opacity .4s ease, visibility .4s ease;
}

body.loaded #loader-overlay {
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
}