.universe-background{position:fixed;top:0;left:0;width:100vw;height:100vh;background:linear-gradient(135deg,#0c0c0c,#1a1a2e 25%,#16213e 50%,#0f0f23 75%,#000);z-index:-1;overflow:hidden}.stars,.stars:after,.stars:before{position:absolute;top:0;left:0;width:100%;height:100%;background:transparent}.stars:after,.stars:before{content:""}.stars{background-image:radial-gradient(1px 1px at 25px 25px,white,transparent),radial-gradient(1px 1px at 75px 75px,white,transparent),radial-gradient(1px 1px at 125px 25px,white,transparent),radial-gradient(1px 1px at 175px 75px,white,transparent),radial-gradient(1px 1px at 225px 25px,white,transparent),radial-gradient(1px 1px at 275px 75px,white,transparent),radial-gradient(1px 1px at 325px 25px,white,transparent),radial-gradient(1px 1px at 375px 75px,white,transparent),radial-gradient(1px 1px at 425px 25px,white,transparent),radial-gradient(1px 1px at 475px 75px,white,transparent);background-size:500px 100px;animation:move-stars-smooth 50s linear infinite}.stars,.stars:before{background-repeat:repeat}.stars:before{background-image:radial-gradient(2px 2px at 40px 60px,rgba(255,255,255,.8),transparent),radial-gradient(2px 2px at 120px 40px,rgba(255,255,255,.6),transparent),radial-gradient(2px 2px at 200px 80px,rgba(255,255,255,.9),transparent),radial-gradient(2px 2px at 280px 20px,rgba(255,255,255,.7),transparent),radial-gradient(2px 2px at 360px 90px,rgba(255,255,255,.5),transparent),radial-gradient(2px 2px at 440px 50px,rgba(255,255,255,.8),transparent);background-size:600px 120px;animation:move-stars-smooth 30s linear infinite reverse}.stars:after{background-image:radial-gradient(3px 3px at 80px 80px,rgba(255,255,255,.9),transparent),radial-gradient(3px 3px at 240px 40px,rgba(255,255,255,.7),transparent),radial-gradient(3px 3px at 400px 100px,rgba(255,255,255,.8),transparent),radial-gradient(3px 3px at 560px 20px,rgba(255,255,255,.6),transparent);background-size:700px 140px;background-repeat:repeat;animation:move-stars-smooth 20s linear infinite}.stars-twinkle{position:absolute;top:0;left:0;width:100%;height:100%;background-image:radial-gradient(1px 1px at 100px 150px,white,transparent),radial-gradient(1px 1px at 300px 50px,white,transparent),radial-gradient(1px 1px at 500px 200px,white,transparent),radial-gradient(1px 1px at 700px 100px,white,transparent),radial-gradient(1px 1px at 900px 250px,white,transparent);background-size:1000px 300px;background-repeat:repeat;animation:twinkle 3s ease-in-out infinite alternate}.shooting-star{position:absolute;height:2px;background:linear-gradient(90deg,white,transparent);animation:shoot 3s ease-out infinite}.shooting-star:first-child{top:20%;left:-100px;width:100px;animation-delay:0s;animation-duration:3s}.shooting-star:nth-child(2){top:50%;left:-100px;width:80px;animation-delay:2s;animation-duration:2.5s}.shooting-star:nth-child(3){top:80%;left:-100px;width:120px;animation-delay:4s;animation-duration:3.5s}@keyframes move-stars-smooth{0%{transform:translateX(0) translateY(0)}to{transform:translateX(-100px) translateY(-100px)}}@keyframes twinkle{0%,to{opacity:.3}50%{opacity:1}}@keyframes shoot{0%{transform:translateX(-100px) translateY(0) rotate(45deg);opacity:1}70%{opacity:1}to{transform:translateX(300px) translateY(-300px) rotate(45deg);opacity:0}}.milky-way{position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(ellipse at center,rgba(255,255,255,.05) 0,transparent 50%);transform:rotate(-30deg);animation:rotate-galaxy 60s linear infinite}@keyframes rotate-galaxy{0%{transform:rotate(-30deg)}to{transform:rotate(330deg)}}.universe-content{position:relative;z-index:10;display:flex;align-items:center;justify-content:center;color:white;text-shadow:0 0 20px rgba(255,255,255,.5)}