.whatsapp-float {
            position: fixed;
            width: 60px;
            height: 60px;
            bottom: 40px;
            right: 40px;
            background-color: #25d366;
            color: #FFF;
            border-radius: 50px;
            text-align: center;
            font-size: 30px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.3);
            z-index: 100;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
            animation: float 3s ease-in-out infinite;
        }
        
        @keyframes float {
            0% { transform: translateY(0px); }
            50% { transform: translateY(-10px); }
            100% { transform: translateY(0px); }
        }
        
        .whatsapp-float:hover {
            transform: scale(1.1);
            animation: none;
        }