@charset "utf-8";

/* Header-/Footer-Partikel: kleine weiße QR-Quadrate */
.particle-layer {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
  border-radius: inherit;
}

.particle-square {
  position: absolute;
  top: -18px;
  left: var(--particle-x, 50%);
  width: var(--particle-size, 6px);
  height: var(--particle-size, 6px);
  opacity: 0;
  background: rgba(255, 255, 255, var(--particle-alpha, 0.50));
  border-radius: var(--particle-radius, 1px);
  transform: translate3d(0, -20px, 0) rotate(0deg);
  animation: particle-fall var(--particle-duration, 8s) linear var(--particle-delay, 0s) infinite;
  will-change: transform, opacity;
}

@keyframes particle-fall {
  0% {
    opacity: 0;
    transform: translate3d(0, -24px, 0) rotate(0deg);
  }

  10% {
    opacity: var(--particle-alpha, 0.50);
  }

  74% {
    opacity: var(--particle-alpha, 0.50);
    transform: translate3d(var(--particle-drift, 20px), calc(var(--particle-drop, 100%) - 34px), 0) rotate(var(--particle-spin, 220deg));
  }

  88% {
    opacity: var(--particle-fade-alpha, 0.18);
    transform: translate3d(calc(var(--particle-drift, 20px) + var(--particle-bump, 10px)), calc(var(--particle-drop, 100%) - 18px), 0) rotate(calc(var(--particle-spin, 220deg) + 95deg));
  }

  100% {
    opacity: 0;
    transform: translate3d(calc(var(--particle-drift, 20px) + var(--particle-bump, 10px) + 6px), calc(var(--particle-drop, 100%) + 18px), 0) rotate(calc(var(--particle-spin, 220deg) + 190deg));
  }
}

@media (prefers-reduced-motion: reduce) {
  .particle-square {
    animation: none;
    opacity: 0.20;
  }
}