.container{display:flex;justify-content:center;align-items:center;min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;position:relative;overflow:hidden;padding:20px}.background-shapes{position:absolute;width:100%;height:100%;overflow:hidden;z-index:0}.shape{position:absolute;border-radius:50%;background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);animation:float 20s infinite ease-in-out}.shape-1{width:300px;height:300px;top:-100px;left:-100px;animation-delay:0s}.shape-2{width:200px;height:200px;bottom:-50px;right:-50px;animation-delay:5s}.shape-3{width:150px;height:150px;top:50%;right:10%;animation-delay:10s}@keyframes float{0%,to{transform:translate(0) scale(1)}33%{transform:translate(30px,-30px) scale(1.1)}66%{transform:translate(-20px,20px) scale(.9)}}.content{text-align:center;background:#fffffff2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);padding:60px 50px;border-radius:24px;box-shadow:0 20px 60px #0000004d;max-width:500px;width:100%;position:relative;z-index:1;animation:slideUp .6s ease-out}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.icon-wrapper{margin-bottom:30px;animation:bounce 2s infinite}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.app-icon{width:80px;height:80px;filter:drop-shadow(0 4px 12px rgba(102,126,234,.4))}.title{margin:0 0 12px;font-size:36px;font-weight:700;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.subtitle{margin:0 0 40px;font-size:16px;color:#666;font-weight:400}.features{display:flex;justify-content:center;gap:30px;margin-bottom:40px;flex-wrap:wrap}.feature{display:flex;flex-direction:column;align-items:center;gap:8px;font-size:14px;color:#555;font-weight:500}.feature-icon{font-size:28px;filter:drop-shadow(0 2px 4px rgba(0,0,0,.1))}.download-btn{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;padding:16px 48px;font-size:18px;font-weight:600;border-radius:50px;cursor:pointer;transition:all .3s ease;box-shadow:0 8px 24px #667eea66;display:inline-flex;align-items:center;gap:10px;position:relative;overflow:hidden}.download-btn:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);transition:left .5s}.download-btn:hover:before{left:100%}.download-btn:hover{transform:translateY(-3px);box-shadow:0 12px 32px #667eea80}.download-btn:active{transform:translateY(-1px)}.download-btn:disabled{cursor:not-allowed;opacity:.8}.download-icon{width:24px;height:24px}.spinner{width:20px;height:20px;border:3px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.info-text{margin-top:24px;font-size:13px;color:#999;font-weight:400}@media(max-width:600px){.content{padding:40px 30px}.title{font-size:28px}.features{gap:20px}.download-btn{padding:14px 36px;font-size:16px}}*{margin:0;padding:0;box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}