.pwa-install-btn{background:linear-gradient(135deg,#4caf50,#45a049);color:#fff;border:none;padding:12px 25px;border-radius:25px;font-weight:700;font-size:.9rem;cursor:pointer;display:inline-flex;align-items:center;gap:10px;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 15px #4caf504d;text-decoration:none;position:relative;overflow:hidden}.pwa-install-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}.pwa-install-btn:hover:before{left:100%}.pwa-install-btn:hover{transform:translateY(-3px);box-shadow:0 8px 25px #4caf5066}.pwa-install-btn:active{transform:translateY(-1px)}.pwa-install-btn i{font-size:1.2rem;animation:bounce 2s infinite}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-5px)}}.whatsapp-float{position:fixed;bottom:25px;right:25px;z-index:9999;background:linear-gradient(135deg,#25d366,#128c7e);color:#fff;width:60px;height:60px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 20px #25d36680;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);text-decoration:none;animation:pulse 2s infinite}.whatsapp-float i{font-size:1.8rem}.whatsapp-float:hover{transform:scale(1.1);box-shadow:0 8px 30px #25d36699}.whatsapp-float:before{content:"";position:absolute;width:100%;height:100%;border-radius:50%;border:2px solid #25d366;animation:ripple 2s infinite}@keyframes pulse{0%,to{box-shadow:0 6px 20px #25d36680}50%{box-shadow:0 6px 30px #25d366b3}}@keyframes ripple{0%{transform:scale(1);opacity:1}to{transform:scale(1.5);opacity:0}}.whatsapp-float:after{content:"¿Necesitas ayuda?";position:absolute;right:70px;background:#1e293b;color:#fff;padding:8px 15px;border-radius:8px;font-size:.85rem;font-weight:600;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .3s;box-shadow:0 4px 10px #0003}.whatsapp-float:hover:after{opacity:1}.pwa-install-modal{position:fixed;bottom:-300px;left:20px;transform:none;background:#fff;padding:20px;border-radius:16px;box-shadow:0 10px 40px #00000026;z-index:10000;max-width:350px;width:calc(100% - 40px);transition:bottom .5s cubic-bezier(.4,0,.2,1);border:1px solid rgba(0,0,0,.05)}.pwa-install-modal.show{bottom:20px}.pwa-modal-content{display:flex;flex-direction:column;gap:15px}.pwa-modal-header{display:flex;align-items:center;gap:15px}.pwa-modal-icon{width:60px;height:60px;background:linear-gradient(135deg,#3483fa,#2968d8);border-radius:15px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.8rem;box-shadow:0 4px 15px #3483fa4d}.pwa-modal-text h3{margin:0 0 5px;color:#1e293b;font-size:1.2rem}.pwa-modal-text p{margin:0;color:#64748b;font-size:.9rem}.pwa-modal-actions{display:flex;gap:10px;margin-top:10px}.pwa-modal-actions button{flex:1;padding:12px;border:none;border-radius:10px;font-weight:600;cursor:pointer;transition:all .3s}.btn-install-now{background:linear-gradient(135deg,#4caf50,#45a049);color:#fff;box-shadow:0 4px 15px #4caf504d}.btn-install-now:hover{transform:translateY(-2px);box-shadow:0 6px 20px #4caf5066}.btn-install-later{background:#f1f5f9;color:#64748b}.btn-install-later:hover{background:#e2e8f0}@media(max-width:768px){.whatsapp-float{width:55px;height:55px;bottom:20px;right:20px}.whatsapp-float i{font-size:1.6rem}.whatsapp-float:after{display:none}.pwa-install-modal{max-width:calc(100% - 40px);width:350px;padding:15px;bottom:-300px;left:20px}.pwa-install-modal.show{bottom:20px}.pwa-modal-actions{flex-direction:column}}