.whatsapp-chat-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 9999;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    text-decoration: none;
}

.whatsapp-chat-button:hover {
    background-color: #128C7E;
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
    text-decoration: none;
}

.whatsapp-chat-button svg {
    width: 32px;
    height: 32px;
    fill: white;
}

.whatsapp-chat-button:focus {
    outline: none;
    text-decoration: none;
}

.whatsapp-chat-button:active {
    transform: scale(0.95);
}

@media (max-width: 768px) {
    .whatsapp-chat-button {
        width: 50px;
        height: 50px;
        bottom: 15px;
        right: 15px;
    }
    
    .whatsapp-chat-button svg {
        width: 26px;
        height: 26px;
    }
}