.spa-transition {
  transform-origin: center;
  transition: transform 0.5s ease, opacity 0.5s ease; /* ← add ease here */
  opacity: 1;
  transform: scale(1) rotate(0deg);
}

.spa-transition.is-transitioning {
  opacity: 0;
  transform: scale(0.85) rotateX(15deg);
  filter: blur(4px);
}