.fade-in{animation:1s forwards fadeIn}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.btn-hover:hover{transition:all .2s;transform:scale(1.03)}.upload-box:hover{background:#f3f8ff;border-color:#1e88e5}.spinner{border:3px solid #eee;border-top-color:#1e88e5;border-radius:50%;width:18px;height:18px;margin-right:6px;animation:1s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}*{box-sizing:border-box}body{margin:0;padding:0;font-family:Poppins,sans-serif;overflow-x:hidden}@media (width<=768px){h1{font-size:36px!important}h2{font-size:24px!important}h3{font-size:20px!important}p{font-size:16px!important}.navbar{flex-direction:column;gap:10px}.hero{padding:60px 15px!important}.upload-card{width:95%!important;padding:20px!important}button{padding:14px!important;font-size:16px!important}}body{background:linear-gradient(-45deg,#eef2f7,#e3ebf6,#f0f7ff,#dfe8f3) 0 0/400% 400%;margin:0;padding:0;font-family:Poppins,sans-serif;animation:12s infinite gradientBG}@keyframes gradientBG{0%{background-position:0%}50%{background-position:100%}to{background-position:0%}}