main>header{
    min-height: 20rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    margin: 0 calc( var(--padding-inline) * -1 );
    padding: var(--padding-inline);
    padding-bottom: 40px;
}

.portfolio-contrainer{
    container-type: inline-size;
}
.thumbnailContainer {
    display: grid;
    /*grid-template-columns: repeat(auto-fill, minmax(46px, 1fr)); /* grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));*/
    grid-template-columns: repeat(12, 1fr);
    grid-auto-rows:  25vw;
    grid-auto-flow: row dense;
    gap: 10px;
    -ms-grid-column-align: center;

    [class^="thumbnail-"]{
        grid-column: span 6;
        grid-row: span 1;
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        transition: 
            border-radius 0.2s ease-in-out,
            box-shadow 0.2s ease-in-out,
            scale 0.2s ease-in-out;
        border-radius: 3px;
        box-shadow: 0px 0px 4px rgba(0, 0, 0, 0.3);
        cursor: pointer;
        position: relative;
    }
    [class^="thumbnail-"]:hover{        
        scale: 1.02;
        box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.185) ;
        border-radius: 8px;
    }
    [class^="thumbnail-hoch"]{
        grid-column: span 3;
    }
    [class^="thumbnail-hoch-XL"]{
        grid-column: span 6;
        grid-row: span 2;
    }
    [class^="thumbnail-quadrat"]{
        grid-column: span 4;
    }
    [class*="-links"]{
        background-position-x: left;
    }
    [class*="-rechts"]{
        background-position-x: right;
    }
}
@container (min-width: 600px) {
    .thumbnailContainer {
        grid-template-columns: repeat(12, 1fr);
    }
}
@container (min-width: 920px) {
    .thumbnailContainer {
        grid-template-columns: repeat(18, 1fr);
        grid-auto-rows:  17vw;
    }
}
@container (min-width: 1100px) {
    .thumbnailContainer {
        grid-template-columns: repeat(24, 1fr);
        grid-auto-rows:  min(14vw, 174px);
    }
}

/*
@media (min-width: 600px) {
    .thumbnailContainer {
        grid-template-columns: repeat(12, 1fr);
    }
}
@media (min-width: 920px) {
    .thumbnailContainer {
        grid-template-columns: repeat(18, 1fr);
    }
}
@media (min-width: 1100px) {
    .thumbnailContainer {
        grid-template-columns: repeat(24, 1fr);
    }
}
.thumbnailContainer>a,
.thumbnailContainer>div{
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    padding-top: 75%;
    overflow: hidden;
    transition: all 0.2s ease-in-out;
    border-radius: 3px;
    box-shadow: 0px 0px 4px rgba(0, 0, 0, 0.3);
    cursor: pointer;
}
.thumbnailContainer div img{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    
}
.thumbnailContainer>a:hover,
.thumbnailContainer>div:hover{
    scale: 1.02;
    box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.185) ;
    border-radius: 8px;
}

.thumbnail-hoch-links,
.thumbnail-hoch-rechts,
.thumbnail-hoch{
    grid-column: span 3;
    grid-row: span 1;
    padding-top: 115%;
}
.thumbnail-hoch-XL-links,
.thumbnail-hoch-XL-rechts,
.thumbnail-hoch-XL{
    grid-column: span 6;
    grid-row: span 2;
    padding-top: 115%;
}
div.thumbnail-hoch-XL-links,
div.thumbnail-hoch-links{
    background-position-x: left;
}
div.thumbnail-hoch-XL-rechts,
div.thumbnail-hoch-rechts{
    background-position-x: right;
}
.thumbnail-quadrat{
    grid-column: span 3;
    grid-row: span 1;
    padding-top: 100%;
}
.thumbnail-quer{
    grid-column: span 6;
    grid-row: span 1;
    /*padding-top: 56%;*/
/*}
.thumbnail-nix, .thumbnail-undefined{
    grid-column: span 2;
    grid-row: span 2;
    padding-top: 100%;
}
/**/
.portfolioThema h1{
    padding-bottom: 10px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

nav.portfolioLinks{
    display: flex;
    flex-wrap: nowrap;
    flex-direction: row;
    overflow: hidden;
    width: 100%;
    overflow-x: auto;
    white-space: nowrap;
    position: absolute;
    bottom: 0;
    a{
        background-color: #dadada;
        padding: 10px;
        border-radius: 3px 3px 0 0;
        transition: all 0.2s ease-in-out;
        text-decoration: none;
        margin: 0 2px;
    }
    a:hover{
        background-color: #ececec;
        text-decoration: none;
        border-radius: 5px 5px 0 0;
    }
}

.portfolioLinks .LinkHighlight, .portfolioLinks .LinkHighlight:hover{
    background-color: #fff;
    margin: -5px 5px;
    padding: 13px;
    box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.185) ;
    border-radius: 8px 8px 0 0;
    text-decoration: none;
}

.videoThumb::after{
    content: "";
    right: 10px;
    bottom: 0;
    position: absolute;
    z-index:10;
    background-image: url("../img/social/Social_Icon_YouTube_white.webp")!important;
    background-size: contain;
    width: 40px;
    height: 40px;
}

.thumbnailContainer>a{
    text-align: center;
    padding: initial;
    display: flex;
    align-content: center;
    justify-content: center;
    align-items: center;
    padding: 1em;
    letter-spacing: 0.04em;
}