/*
 * Fotojatka 2026
 * Background / parallax layer
 */

.parallax-background {
    position: fixed;
    top: 0;
    left: 0;

    width: 100vw;
    height: 100vh;

    z-index: 0;
    pointer-events: none;

    overflow: hidden;
}

.parallax-background-image {
    position: absolute;

    top: -30vh; 
    left: 0;

    width: 100%;
    height: 300vh;

    background-image: url('../img/webgfx/colour_bg.jpg');
    background-position: center top;
    background-repeat: repeat-y;
    background-size: 100% auto;

    transform: translate3d(0, 0, 0);
    will-change: transform, filter;

    filter: blur(var(--background-blur, 0px));

    transition: filter .25s ease-out;
}