.main-site-particle-layer {
  position: fixed;
  z-index: 2;
  inset: 64px 0 0;
  width: 100%;
  height: calc(100% - 64px);
  pointer-events: none;
  opacity: .26;
  mix-blend-mode: multiply;
  mask-image: linear-gradient(180deg, transparent 0, #000 8%, #000 92%, transparent 100%);
}

.site-head {
  position: sticky;
  top: 0;
  z-index: 60;
}

.main-page-auth {
  position: relative;
  z-index: 60;
}

@media (max-width: 820px) {
  .main-site-particle-layer {
    opacity: .17;
  }
}

@media (prefers-reduced-motion: reduce) {
  .main-site-particle-layer {
    opacity: .14;
  }
}