*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    width: 100vw;
    height: 100svh;
    background: image-set(
        url('achtergrond-m.webp') type('image/webp'),
        url('achtergrond-m.jpg') type('image/jpeg')
    ) top center / cover no-repeat;
    text-align: center;
}

main {
    margin: 0 auto;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.logo {
    position: relative;
    top: 25%;
    max-width: 65%;
}

.logo img {
    max-width: 100%;
}

.filter-overlay-dark,
.filter-overlay-light {
    position: absolute;
    width: 100vw;
    height: 100svh;
    inset: 0;
    background: image-set(
        url('filter-m.webp') type('image/webp'),
        url('filter-m.jpg') type('image/jpeg')
    ) center 30% no-repeat;
    pointer-events: none;
}

.filter-overlay-dark {
    mix-blend-mode: darken;
    animation: fade-out 7s ease-in-out forwards;
}

.filter-overlay-light {
    mix-blend-mode: lighten;
    opacity: 0;
    animation: fade-in 7s ease-in-out forwards;
}

@keyframes fade-out {
    from { opacity: 1; }
    to { opacity: 0; }
}

@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

.icons {
    position: absolute;
    top: calc(100svh - (2rem + 28px));
    right: 2rem;
    display: flex;
    gap: 1.5rem;
    align-items: center;
    z-index: 10;
}

.icons a {
    display: flex;
    color: white;
    transition: opacity .2s ease;
}

.icons a:hover {
    opacity: .7;
}


@media (min-width: 600px) {
    body {
        background-image: image-set(
            url('achtergrond.webp') type('image/webp'),
            url('achtergrond.jpg') type('image/jpeg')
        );
    }

    .filter-overlay-dark,
    .filter-overlay-light {
        background-image: image-set(
            url('filter.webp') type('image/webp'),
            url('filter.jpg') type('image/jpeg')
        );
    }

    .logo {
        top: 30%;
        max-width: 33%;
    }
    .icons{
        top: calc(100svh - (2rem + 28px));
        right: 2rem;
    }
}