.noise-overlay{position:fixed;inset:0;pointer-events:none;z-index:1;opacity:.05;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200' viewBox='0 0 200 200'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23noiseFilter)'/%3E%3C/svg%3E")}.dust-overlay{position:fixed;inset:0;pointer-events:none;z-index:2;overflow:hidden}.dust-particle{position:absolute;width:4px;height:4px;background:#fff6;border-radius:50%;animation:drift 16s linear infinite;opacity:.8}@keyframes drift{0%{transform:translateY(0) translate(0);opacity:.1}50%{opacity:.25}to{transform:translateY(-120vh) translate(20vw);opacity:0}}