.login-background {
    position: relative;
    background-image: url('/images/fondo-egrid-oscuro.jpg');
    background-size: cover;
    background-position: center;
    min-height: 100vh;
}

    .login-background::before {
        content: "";
        position: absolute;
        inset: 0;
        background: rgba(0, 0, 0, 0.5); /* cambia el color y opacidad */
        z-index: 0;
    }

    .login-background > * {
        position: relative;
        z-index: 1;
    }