.stars-section {
    position: relative;
    /*padding: 0;*/
    margin: 0;
    box-sizing: border-box;  
    padding: 4rem 1rem; /* donne une hauteur naturelle */
    min-height: 400px; /* OBLIGATOIRE pour le canvas */
    overflow: hidden;
}

.stars-section.alignfull {
    width: 100vw;
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
}

.stars-section .stars-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    display: block;

}

.stars-section > *:not(canvas) {
    position: relative;
    z-index: 1;
}