.mu-lens {
  --lens-size: 170px;
  --zoom-factor: 1.3;
  --duration: 100ms;
  --x: 0px;
  --y: 0px;
  position: relative;
  z-index: 0;
  overflow: hidden;
  border-radius: var(--mu-radius);
}

.mu-lens:focus-visible {
  outline: 2px solid var(--mu-accent);
  outline-offset: 2px;
}

.mu-lens__layer {
  position: absolute;
  inset: 0;
  z-index: 50;
  overflow: hidden;
  pointer-events: none;
  -webkit-mask-image: radial-gradient(circle calc(var(--lens-size) / 2) at var(--x) var(--y), #000 100%, transparent 100%);
  mask-image: radial-gradient(circle calc(var(--lens-size) / 2) at var(--x) var(--y), #000 100%, transparent 100%);
  transform-origin: var(--x) var(--y);
  opacity: 0;
  transform: scale(0.58);
  transition: opacity var(--duration) ease-out, transform var(--duration) ease-out;
}

.mu-lens[data-active] .mu-lens__layer {
  opacity: 1;
  transform: none;
}

.mu-lens__inner {
  position: absolute;
  inset: 0;
  transform: scale(var(--zoom-factor));
  transform-origin: var(--x) var(--y);
}

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