body {
  isolation: isolate;
}

#particleBg {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
  display: block;
  background: transparent;
  opacity: 1;
  transition: opacity 0.4s ease;
}

@media (prefers-reduced-motion: reduce) {
  #particleBg {
    opacity: 0.6;
  }
}

body {
  background: transparent !important;
}

html {
  background: var(--bg);
}