/* Style du bouton */
.whatsapp-button {
    padding: 15px 35px;
    font-size: 18px;
    font-weight: bold;
    color: white;
    background-color: #25D366; /* Vert WhatsApp */
    border: none;
    border-radius: 50px; /* Bouton arrondi */
    cursor: pointer;
    text-align: center;
    font-family: Arial, sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-decoration: none;
    box-shadow: 0px 5px 15px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    animation: pulse 1.5s infinite, shake 3s infinite;
}

/* Effet de pulsation */
@keyframes pulse {
    0% { transform: scale(1); box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.2); }
    50% { transform: scale(1.1); box-shadow: 0px 0px 20px rgba(0, 0, 0, 0.4); }
    100% { transform: scale(1); box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.2); }
}

/* Animation de vibration */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    50% { transform: translateX(5px); }
    75% { transform: translateX(-5px); }
}