body {
    background-color: #f8f9fa;
}

/* Botón flotante de WhatsApp */
.btn-whatsapp {
    position: fixed;
    bottom: 25px;
    right: 25px;
    background-color: #25d366;
    color: #fff !important;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 10px rgba(0,0,0,0.3);
    z-index: 1000;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease, background-color 0.3s ease;
    text-decoration: none;
}

.btn-whatsapp:hover {
    background-color: #128c7e;
    transform: scale(1.1);
}