.fleet-ground{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background:#05020A;
  opacity:var(--fleet-dim,0);
  transition:opacity 1100ms cubic-bezier(.22,1,.36,1);
}

body::before{
  background-size:var(--fleet-dot,4px) var(--fleet-dot,4px);
  transition:background-size 1100ms cubic-bezier(.22,1,.36,1);
}

@media(prefers-reduced-motion:reduce){
  .fleet-ground,body::before{transition:none;}
}