:root{--bg-void:#05060b;--bg-deep:#0a0e18;--star:#eef3fb}*{box-sizing:border-box}body,html{margin:0;padding:0;height:100%;background:var(--bg-void);overflow:hidden}.scene{position:relative;width:100%;height:100vh;background:radial-gradient(140% 100% at 50% 20%,var(--bg-deep) 0,var(--bg-void) 70%)}.stars{position:absolute;inset:0}.stars circle{fill:var(--star)}.stars circle.twinkle{animation:twinkle ease-in-out infinite}@keyframes twinkle{0%,88%,to{opacity:var(--dim,.18)}94%{opacity:var(--bright,.95)}}@media (prefers-reduced-motion:reduce){.stars circle.twinkle{animation:none}}