/* Método 1: SVG Inline */
        .whatsapp-svg {
            width: 20px;
            height: 20px;
            fill: #e2e2e2;
            cursor: pointer;
            transition: transform 0.3s;
        }

        .whatsapp-svg:hover {
            transform: scale(1.1);
        }

        /* Método 2: CSS Puro com Unicode */
        .whatsapp-unicode {
            display: inline-block;
            width: 50px;
            height: 50px;
            background: #25D366;
            border-radius: 50%;
            text-align: center;
            line-height: 50px;
            font-size: 30px;
            color: white;
            cursor: pointer;
            transition: background 0.3s;
        }

        .whatsapp-unicode:hover {
            background: #128C7E;
        }

        /* Método 3: Botão Flutuante */
        .whatsapp-float {
            position: fixed;
            width: 60px;
            height: 60px;
            bottom: 40px;
            right: 40px;
            background-color: #25D366;
            color: white;
            border-radius: 50%;
            text-align: center;
            font-size: 30px;
            box-shadow: 2px 2px 10px rgba(0,0,0,0.3);
            z-index: 1000;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s;
            animation: pulse 2s infinite;
        }

        .whatsapp-float:hover {
            background-color: #128C7E;
            transform: scale(1.1);
        }

        /* Método 4: Botão com Texto */
        .whatsapp-button {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 12px 24px;
            background: #25D366;
            color: white;
            text-decoration: none;
            border-radius: 50px;
            font-weight: bold;
            transition: background 0.3s;
            cursor: pointer;
        }

        .whatsapp-button:hover {
            background: #128C7E;
        }

        .whatsapp-button svg {
            width: 24px;
            height: 24px;
            fill: white;
        }

        /* Método 5: Badge com animação */
        .whatsapp-badge {
            display: inline-block;
            width: 60px;
            height: 60px;
            background: #25D366;
            border-radius: 50%;
            position: relative;
            cursor: pointer;
            animation: pulse 2s infinite;
        }

        .whatsapp-badge svg {
            width: 35px;
            height: 35px;
            fill: white;
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }

        @keyframes pulse {
            0%, 100% {
                box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
            }
            50% {
                box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
            }
        }