/* L2 line wipe — home page only */
.wipe-overlay {
  position: fixed;
  top: var(--wipe-y, 50%);
  left: 0; right: 0;
  height: 1px;
  background: var(--fg);
  transform: translateY(-50%) scaleX(0);
  transform-origin: var(--wipe-x, 50%) center;
  z-index: 9999;
  pointer-events: none;
  will-change: transform, height;
}
.wipe-overlay.out {
  animation: wipeOut 750ms cubic-bezier(.7,0,.2,1) forwards;
}
@keyframes wipeOut {
  0%   { transform: translateY(-50%) scaleX(0); height: 1px; }
  35%  { transform: translateY(-50%) scaleX(1); height: 1px; }
  100% { transform: translateY(-50%) scaleX(1); height: 250vh; }
}