:root {
    --gap-size: 1em;
    --seminardetails-topmargin: 3em;
}

.categories {
    display: grid;
    grid-template-columns:
            [filter-start] 3fr
            [filter-end categories-start] 9fr
            [categories-end];
    gap: 0.5em;
}

.categories-list {
    grid-column: categories;
}

.categories-list td>a {
    color: black;
    text-decoration: none;
}

.categories-list td>a.active {
    color: var(--nw-company-orange);
    text-decoration: none;
    font-weight: bold;
}

.category-seminar-list {
    display: grid;
    grid-template-columns:
            [filter-start] 3fr
            [filter-end seminarlist-start] 9fr
            [seminarlist-end];
    gap: 0.5em;
}

.seminar-list td>a {
    color: black;
    text-decoration: none;
}

.seminar-list td>a:hover {
    color: var(--nw-company-orange);
}

.seminar h1 {
    font-size: 1.2rem;
    color: grey;
    font-weight: bold;
}

.seminar h2 {
    font-size: 1.1em;
    color: grey;
    font-style: italic;
}

.seminar h3 {
    font-size: 1.0rem;
    color: grey;
    font-weight: bold;
}

.seminar-list {
    grid-column: seminarlist;
}

.seminar {
    display: grid;
    grid-template-columns:
            [filter-start] 3fr
            [filter-end seminar-start] 8fr
            [seminar-end details-start]3fr
            [details-end];
    gap: 0.5em;
}

.seminar-filter {
    grid-column: filter;
}

.seminar-filter>ul {
    font-size: 1em;
    text-transform: capitalize;
    list-style-type: none;
    padding-left: 0em;
    padding-top: 3em;
}

.seminar-filter a.filtermenu {
    color: black;
    text-decoration: none;
}

.seminar-filter a.active  {
    color: var(--nw-company-orange);
    text-decoration: none;
    font-weight: bold;
}

.seminardescription {
    grid-column: seminar;
}

.seminardetails {
    margin-top: var(--seminardetails-topmargin);
    display: flex;
    flex-direction: column;
    grid-column: details;
    gap: var(--gap-size);
}

.seminartitle h1 {
    color: var(--nw-company-orange);
    font-size: 1.8em;
    text-transform: uppercase;
    text-shadow: 2px 2px 2px darkgray;
    margin: 1em 0em;
}

.seminardescription .title::before, .title::after {
    content: "";
    flex: 1 1 auto;
    border-bottom: 1px solid orange;
    margin: 1em 1em;
}

.seminardescription .title {
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 1.4em;
    text-shadow: 2px 2px 2px lightgray;
    color: var(--nw-company-orange);
}

.infobox {
    border-color: var(--nw-company-orange);
    border-style: solid;
    font-size: 1em;
}

.boxheader {
    display: flex;
    justify-content: space-between;
    background-color: var(--nw-company-orange);
    text-transform: uppercase;
    font-weight: bold;
    font-size: 1em;
    color: white;
    padding: 0.5em 0.7em;
}

.boxcontent td {
    vertical-align: top;
}

select[name="location"] {

}

.title {
    font-weight: bold;
}

.boxcontent {
    padding: 0.8em;
}

.btnbuchen {
    text-align: right;
}