     /* Reset et styles de base */
       
        /* Styles pour le bouton WhatsApp flottant */
        .whatsapp-float {
            position: fixed;
            bottom: 25px;
            right: 25px;
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 8px 25px rgba(37, 211, 102, 0.3);
            z-index: 1000;
            transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
            text-decoration: none;
            border: 3px solid rgba(255, 255, 255, 0.2);
            animation: float 3s ease-in-out infinite, pulse 2s ease-in-out infinite alternate;
        }

        .whatsapp-float:hover {
            transform: scale(1.1) translateY(-2px);
            box-shadow: 0 12px 35px rgba(37, 211, 102, 0.4);
            background: linear-gradient(135deg, #2BE677 0%, #1BA854 100%);
        }

        .whatsapp-float:active {
            transform: scale(0.95);
            transition: transform 0.1s ease;
        }

        .whatsapp-icon {
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 100%;
            height: 100%;
            transition: transform 0.3s ease;
        }

        .whatsapp-float:hover .whatsapp-icon {
            transform: rotate(15deg) scale(1.1);
        }

        /* Icône WhatsApp en SVG */
        .whatsapp-icon svg {
            width: 28px;
            height: 28px;
            fill: currentColor;
        }

        /* Animation de flottement */
        @keyframes float {
            0%, 100% {
                transform: translateY(0px);
            }
            50% {
                transform: translateY(-8px);
            }
        }

        /* Animation de pulsation */
        @keyframes pulse {
            0% {
                box-shadow: 0 8px 25px rgba(37, 211, 102, 0.3);
            }
            100% {
                box-shadow: 0 8px 35px rgba(37, 211, 102, 0.5), 0 0 0 15px rgba(37, 211, 102, 0.1);
            }
        }

        /* Tooltip au survol */
        .whatsapp-float::before {
            content: "Contactez-nous sur WhatsApp";
            position: absolute;
            right: 70px;
            top: 50%;
            transform: translateY(-50%);
            background: #333;
            color: white;
            padding: 8px 12px;
            border-radius: 6px;
            font-size: 12px;
            white-space: nowrap;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            pointer-events: none;
        }

        .whatsapp-float::after {
            content: "";
            position: absolute;
            right: 60px;
            top: 50%;
            transform: translateY(-50%);
            width: 0;
            height: 0;
            border-left: 6px solid #333;
            border-top: 6px solid transparent;
            border-bottom: 6px solid transparent;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }

        .whatsapp-float:hover::before,
        .whatsapp-float:hover::after {
            opacity: 1;
            visibility: visible;
        }

        /* Responsive design */
        @media (max-width: 768px) {
            .whatsapp-float {
                width: 55px;
                height: 55px;
                bottom: 20px;
                right: 20px;
            }
            
            .whatsapp-icon svg {
                width: 24px;
                height: 24px;
            }

            .whatsapp-float::before {
                display: none;
            }

            .whatsapp-float::after {
                display: none;
            }
        }

        @media (max-width: 480px) {
            .whatsapp-float {
                width: 50px;
                height: 50px;
                bottom: 15px;
                right: 15px;
            }
            
            .whatsapp-icon svg {
                width: 22px;
                height: 22px;
            }
        }

        /* Animation d'entrée */
        @keyframes slideInUp {
            from {
                transform: translateY(100px);
                opacity: 0;
            }
            to {
                transform: translateY(0);
                opacity: 1;
            }
        }

        .whatsapp-float {
            animation: slideInUp 0.5s ease-out, float 3s ease-in-out infinite 0.5s, pulse 2s ease-in-out infinite alternate 0.5s;
        }