/* WhatsApp Floating Button - Version Noir/Rouge Néon avec Ondes */
        .whatsapp-float {
            position: fixed;
            bottom: 30px;
            left: 30px;
            z-index: 1000;
            animation: floatWhatsapp 3s infinite ease-in-out;
            transform-origin: center;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.1);
        }

        .whatsapp-container {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 70px;
            height: 70px;
            background: #000000;
            border-radius: 50%;
            box-shadow: 0 10px 30px rgba(255, 0, 107, 0.4);
            cursor: pointer;
            transition: all 0.3s ease;
            overflow: hidden;
            z-index: 2;
        }

        /* Effet rouge néon au survol */
        .whatsapp-container::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle, rgba(255,0,107,0.3) 0%, rgba(0,0,0,1) 70%);
            opacity: 0;
            transition: opacity 0.3s ease;
            z-index: 1;
        }

        .whatsapp-container:hover::after {
            opacity: 1;
        }

        .whatsapp-icon {
            font-size: 42px;
            color: white;
            transition: all 0.3s ease;
            position: relative;
            z-index: 3;
        }

        .whatsapp-container:hover {
            transform: scale(1.1);
            box-shadow: 0 15px 40px rgba(255, 0, 107, 0.6);
            animation: none;
        }

        .whatsapp-container:hover .whatsapp-icon {
            transform: rotate(15deg);
            text-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
        }

        /* Animation des ondes rouges néon */
        .wave {
            position: absolute;
            border: 2px solid rgba(255, 0, 107, 0.4);
            border-radius: 50%;
            animation: waveAnimation 3s infinite;
            opacity: 0;
            z-index: 1;
        }

        .wave-1 {
            width: 90px;
            height: 90px;
            top: -10px;
            left: -10px;
            animation-delay: 0s;
        }

        .wave-2 {
            width: 120px;
            height: 120px;
            top: -25px;
            left: -25px;
            animation-delay: 1s;
        }

        .wave-3 {
            width: 150px;
            height: 150px;
            top: -40px;
            left: -40px;
            animation-delay: 2s;
        }

        .whatsapp-label {
            position: absolute;
            bottom: -35px;
            left: 50%;
            transform: translateX(-50%);
            background: rgba(0, 0, 0, 0.8);
            color: white;
            padding: 5px 10px;
            border-radius: 20px;
            font-size: 12px;
            opacity: 0;
            transition: opacity 0.3s ease;
            white-space: nowrap;
            pointer-events: none;
            border: 1px solid rgba(255, 0, 107, 0.3);
            z-index: 4;
        }

        .whatsapp-container:hover .whatsapp-label {
            opacity: 1;
        }

        /* Animations */
        @keyframes floatWhatsapp {
            0% { transform: translateY(0); }
            50% { transform: translateY(-15px); }
            100% { transform: translateY(0); }
        }

        @keyframes waveAnimation {
            0% {
                transform: scale(0.8);
                opacity: 0.7;
            }
            70% {
                opacity: 0.3;
            }
            100% {
                transform: scale(1.5);
                opacity: 0;
            }
        }

        /* Version mobile */
        @media (max-width: 768px) {
            .whatsapp-float {
                bottom: 20px;
                left: 20px;
            }
            
            .whatsapp-container {
                width: 60px;
                height: 60px;
            }
            
            .whatsapp-icon {
                font-size: 36px;
            }
            
            .wave-1 {
                width: 80px;
                height: 80px;
            }
            
            .wave-2 {
                width: 100px;
                height: 100px;
            }
            
            .wave-3 {
                width: 120px;
                height: 120px;
            }
            
            .whatsapp-label {
                font-size: 10px;
                bottom: -30px;
            }
        }