/* MOBILE FIRST (padrão) */
.parallax-section1,
.parallax-section2 {
    background-color: var(--color-bg-alt);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    height: 40vh;
}

/* Imagens menores e sem 'fixed' no mobile */
.parallax-section1 {
    background-image: url('../img/pexels-sejio402-6477209.jpg');
}
.parallax-section2 {
    background-image: url('../img/pexels-sejio402-6381070.jpg');
}

/* DESKTOP (ativa o efeito parallax) */
@media (min-width: 768px) {
    .parallax-section1 {
        background-image: url('../img/pexels-sejio402-6477209.jpg');
        background-attachment: fixed;
    }
    .parallax-section2 {
        background-image: url('../img/pexels-sejio402-6381070.jpg');
        background-attachment: fixed;
    }
}