.header_fullscreen{
    background: var(--zwart);
    color: var(--wit);
    height: calc(100svh - var(--body-padding));
}

.jumbotron.header_fullscreen{
    /* Background sections receive global padding; this viewport-filling header must not. */
    padding-block: 0;
}

#content > .header_fullscreen:first-child{
    height: 100svh;
}

.header_fullscreen .header_fullscreen_afbeelding{
    position: absolute;
    inset: 0;
    /* Figma uses a 50% dark overlay. */
    opacity: 0.5;
}

.header_fullscreen .header_fullscreen_afbeelding picture{
    display: flex;
    width: 100%;
    height: 100%;
}

.header_fullscreen .header_fullscreen_afbeelding img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.header_fullscreen .header_fullscreen_content{
    position: relative;
    display: grid;
    grid-template: minmax(0, 1fr) / minmax(0, 1fr);
    height: 100%;
}

.header_fullscreen .container{
    grid-area: 1 / 1;
    align-self: center;
    /* 3–10rem between the shared 360–1320px typography endpoints. */
    margin-bottom: clamp(3rem, 0.375rem + 7.291667vw, 10rem);
}

.header_fullscreen .container h1{
    hyphens: auto;
    /* 30–48px between the shared 360–1320px typography endpoints. */
    font-size: clamp(3rem, 2.325rem + 1.875vw, 4.8rem);
    line-height: 1;
    text-transform: uppercase;
}

.header_fullscreen .header_fullscreen_onderkant{
    grid-area: 1 / 1;
    align-self: end;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    overflow: hidden;
}

.header_fullscreen .header_fullscreen_scroll{
    grid-area: 1 / 1;
    display: flex;
    font-family: var(--heading-font);
    /* Scale with width and short screens; Figma text is 400px on a 1080px-high canvas. */
    font-size: clamp(8rem, min(0.615385rem + 20.512821vw, 37.037037svh), 40rem);
	pointer-events: none;
	line-height: 1;
}

.header_fullscreen .header_fullscreen_tekst{
    flex-shrink: 0;
    /* Each repeated segment must cover the viewport for short values too. */
    min-width: 100%;
    /* Figma: 140px leading inset for the 400px text. */
    padding-inline-start: 0.35em;
    white-space: nowrap;
}

.header_fullscreen .header_fullscreen_scroll[data-header_fullscreen_animated] .header_fullscreen_tekst{
    animation: header_fullscreen_scroll 30s linear infinite;
}

.header_fullscreen .header_fullscreen_scroll:not([data-header_fullscreen_animated]){
    display: block;
    text-align: center;
}

.header_fullscreen .header_fullscreen_onderkant:has(.header_fullscreen_scroll:not([data-header_fullscreen_animated])){
    /* Keep long static text reachable with reduced motion or unavailable JavaScript. */
    overflow-y: auto;
}

.header_fullscreen .header_fullscreen_scroll:not([data-header_fullscreen_animated]) .header_fullscreen_tekst{
    hyphens: auto;
    display: block;
    white-space: normal;
}

.header_fullscreen .header_fullscreen_scroll:not([data-header_fullscreen_animated]) [aria-hidden]{
    display: none;
}

@keyframes header_fullscreen_scroll{
    to{
        transform: translateX(-100%);
    }
}