.btn-whatsapp {
    background: #25D366;
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: background 0.3s;
}

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

.btn-whatsapp i {
    font-size: 16px;
}

.producto-imagen {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}


@media (max-width: 480px) {
    .producto-titulo { font-size: 1.5rem; }
    .producto-precio { font-size: 1.3rem; }
    .producto-descripcion { font-size: 1rem; }
}