:root {   
    box-sizing: border-box;    
    font-family: 'Muli', monospace;
    font-size: calc(0.75vw + 0.5em);
    letter-spacing: 0.03em;
    line-height: 1.75em;
}
@media (min-width: 60em) {
    :root {
        font-size: 1em;
    }
}
/*body * + * { margin-top: 1.5em; }*/

body {
    max-width: 1080px;
    margin: 0 auto;
}

header {
    top: 0;
    position: sticky;
    background-color: #333;
    border: 1px none goldenrod;
    border-style: solid none;
    text-align: center;
    opacity: 0.9;
    padding: .5em 0;
}

header h1 {
    font-size: 1.5em;
    margin: 0;
    color: goldenrod;
}
header h3 {
    margin: 0px;
    font-size: 0.8em;
    color: whitesmoke;
}

.category-header {
    border-top: 1px solid #ccc;
    padding-top: 1em;
    padding-bottom: 0.2em;
    text-align: center;
    color: #666;
    font-size: 1.25em;
    font-weight: bold;
    text-transform: uppercase;
    background-image: linear-gradient(to bottom, whitesmoke, white);
}

.hero {
    background-image: url(../images/header-small.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;    
    height: 12em;
}
@media (min-width: 50em) {
    .hero {
        background-image: url(../images/header-large.jpg);
    }
}
.main {
    display: flex;
    flex-direction: column;
    font-size: 1.25rem;
}

@media(min-width: 42em) {
    .main {
        flex-direction: row;
    }
}

.tec-tile {
    font-size: 1.25rem;
    padding: 1em;
    clear: both;
    /*border-top: 1px solid #ccc;*/
}
.tec-tile h1 {
    font-size: 1em;
    text-transform: uppercase;
}

.tile {
    padding: 1em;
    clear: both;
    /*border-top: 1px solid #ccc;*/
}

.tile h1 {
    font-size: 1em;
    text-transform: uppercase; 
}

.tile img {
    box-shadow: 0 0 8px 8px white inset;
    border-radius: 1.5em;
    width: 50%;
}

.tile--compact {
    cursor: pointer;
}

.tile--compact .secondary-text {
    display: none;
}

.tile--compact::after {
    content: '...';
    font-weight: bold;
    /* content: '...mehr...'; 
    font-style: italic;*/
    color: goldenrod;
    padding: 0.5em;
}

.tile--compact:hover {
    outline-offset: -3px;
    outline: 2px dotted goldenrod;
}

@media(max-width: 42em) {
    .tile:nth-child(odd) img {
        float: right;
        padding-left: 1.2em; 
    }
    .tile:nth-child(even) img {
        float: left;
        padding-right: 1.2em; 
    }
}

@media(min-width: 42em) {
    .tile img {
        width: 13em; 
    }
    .tile + .tile { 
        border-left: 1px solid #ccc;
    }
}

footer > nav {
    margin-top: 1.5em;
    padding: 0.5em 1.5em
}

footer > nav > ul {
    display: flex;
    justify-content: center;
    padding: 0px;
    list-style: none;
}

footer > nav > ul > li {
    padding: 0em 1.5em;
}
footer > nav > ul > li:not(:last-child) {
    border-right: 1px solid black;
}