.bg-ambient{position:fixed;inset:0;z-index:2;pointer-events:none;overflow:hidden;}.bg-aurora{position:absolute;inset:-20%;background:radial-gradient(42rem 30rem at 82% 6%,rgba(255,122,41,0.13),transparent 65%),radial-gradient(48rem 34rem at 10% 34%,rgba(58,160,255,0.14),transparent 66%),radial-gradient(40rem 30rem at 70% 88%,rgba(92,214,255,0.08),transparent 70%);animation:aurora-drift 26s ease-in-out infinite alternate;will-change:transform;}@keyframes aurora-drift{0%{transform:translate3d(0,0,0) scale(1);}100%{transform:translate3d(-2.5%,2%,0) scale(1.06);}}.bg-grid{position:absolute;inset:-10% 0;background-image:linear-gradient(var(--grid-color) 1px,transparent 1px),linear-gradient(90deg,var(--grid-color) 1px,transparent 1px);background-size:44px 44px;mask-image:radial-gradient(ellipse 90% 70% at 50% 40%,black 30%,transparent 78%);-webkit-mask-image:radial-gradient(ellipse 90% 70% at 50% 40%,black 30%,transparent 78%);animation:grid-slide 60s linear infinite;will-change:background-position;}@keyframes grid-slide{from{background-position:0 0;}to{background-position:0 440px;}}.bg-noise{position:absolute;inset:0;opacity:0.05;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");mix-blend-mode:screen;}.bg-beam{position:absolute;left:0;right:0;top:-20%;height:26%;background:linear-gradient(180deg,transparent,rgba(255,122,41,0.05) 45%,rgba(255,176,87,0.08) 55%,transparent);animation:beam-sweep 11s cubic-bezier(0.6,0,0.4,1) infinite;will-change:transform;}@keyframes beam-sweep{0%,62%{transform:translateY(-30vh);opacity:0;}68%{opacity:1;}88%{opacity:0.9;}100%{transform:translateY(130vh);opacity:0;}}@media (prefers-reduced-motion:reduce){.bg-aurora,.bg-grid,.bg-beam{animation:none;}}