.whatsapp-float {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 1000;
            cursor: pointer;
            transition: all 0.3s ease;
            animation: pulse 2s infinite;
        }
        
        .whatsapp-float:hover {
            transform: scale(1.1);
            animation: none;
        }
        
        .whatsapp-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, #25d366, #128c7e);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
            transition: all 0.3s ease;
        }
        
        .whatsapp-float:hover .whatsapp-icon {
            box-shadow: 0 12px 35px rgba(37, 211, 102, 0.6);
            background: linear-gradient(135deg, #128c7e, #075e54);
        }
        
        .whatsapp-tooltip {
            position: absolute;
            bottom: 70px;
            right: 0;
            background: rgba(0, 0, 0, 0.8);
            color: white;
            padding: 8px 12px;
            border-radius: 8px;
            font-size: 14px;
            white-space: nowrap;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            transform: translateY(10px);
        }
        
        .whatsapp-float:hover .whatsapp-tooltip {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        
        .whatsapp-tooltip::after {
            content: "";
            position: absolute;
            top: 100%;
            right: 20px;
            border: 5px solid transparent;
            border-top-color: rgba(0, 0, 0, 0.8);
        }