.phone-levitate{display:block;animation:floatUpDown 6s ease-in-out infinite;will-change:transform;filter:drop-shadow(0 10px 18px rgba(0,0,0,.25));position:relative;z-index:1}.phone-levitate::after{content:"";position:absolute;left:50%;bottom:-20px;width:55%;height:12px;background:radial-gradient(ellipse at center,rgba(0,0,0,.3) 0%,rgba(0,0,0,0) 70%);transform:translateX(-50%);filter:blur(3px);animation:shadowPulse 8s ease-in-out infinite;z-index:-1}