/* === OTB site smoke backdrop v1 — dark neon smoke, slow drift === */
@keyframes otbSiteSmokeDrift{
  0%{transform:scale(1.12) translate3d(-1.1%,-0.8%,0)}
  25%{transform:scale(1.15) translate3d(1%,-0.4%,0)}
  50%{transform:scale(1.13) translate3d(1.3%,1.1%,0)}
  75%{transform:scale(1.16) translate3d(-0.6%,0.7%,0)}
  100%{transform:scale(1.12) translate3d(-1.1%,-0.8%,0)}
}
.home::before,.intro::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:url("smoke-dark-bg.jpg") center/cover no-repeat;
  opacity:.9;will-change:transform;
  animation:otbSiteSmokeDrift 42s ease-in-out infinite;
}
.home{background:#0c0210 !important}
.home::after{background:
  radial-gradient(ellipse at 50% 12%,rgba(255,91,214,.16) 0%,transparent 52%),
  radial-gradient(ellipse at center,transparent 30%,rgba(8,1,12,.72) 100%) !important;z-index:1}
.intro{background:#0c0210 !important}
.intro>*{z-index:1}
@media(prefers-reduced-motion:reduce){
  .home::before,.intro::before{animation:none !important;transform:scale(1.02) !important}
}