/*! normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css */
html {
    line-height: 1.15;
    -webkit-text-size-adjust: 100%;
}
body {
    margin: 0;
}
main {
    display: block;
}
h1 {
    font-size: 2em;
    margin: 0.67em 0;
}
hr {
    box-sizing: content-box;
    height: 0;
    overflow: visible;
}
pre {
    font-family: monospace, monospace;
    font-size: 1em;
}
a {
    background-color: transparent;
}
abbr[title] {
    border-bottom: none;
    text-decoration: underline;
    text-decoration: underline dotted;
}
b,
strong {
    font-weight: bolder;
}
code,
kbd,
samp {
    font-family: monospace, monospace;
    font-size: 1em;
}
small {
    font-size: 80%;
}
sub,
sup {
    font-size: 75%;
    line-height: 0;
    position: relative;
    vertical-align: baseline;
}
sub {
    bottom: -0.25em;
}
sup {
    top: -0.5em;
}
img {
    border-style: none;
}
button,
input,
optgroup,
select,
textarea {
    font-family: inherit;
    font-size: 100%;
    line-height: 1.15;
    margin: 0;
}
button,
input {
    overflow: visible;
}
button,
select {
    text-transform: none;
}
[type="button"],
[type="reset"],
[type="submit"],
button {
    -webkit-appearance: button;
}
[type="button"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="submit"]::-moz-focus-inner,
button::-moz-focus-inner {
    border-style: none;
    padding: 0;
}
[type="button"]:-moz-focusring,
[type="reset"]:-moz-focusring,
[type="submit"]:-moz-focusring,
button:-moz-focusring {
    outline: 1px dotted ButtonText;
}
fieldset {
    padding: 0.35em 0.75em 0.625em;
}
legend {
    box-sizing: border-box;
    color: inherit;
    display: table;
    max-width: 100%;
    padding: 0;
    white-space: normal;
}
progress {
    vertical-align: baseline;
}
textarea {
    overflow: auto;
}
[type="checkbox"],
[type="radio"] {
    box-sizing: border-box;
    padding: 0;
}
[type="number"]::-webkit-inner-spin-button,
[type="number"]::-webkit-outer-spin-button {
    height: auto;
}
[type="search"] {
    -webkit-appearance: textfield;
    outline-offset: -2px;
}
[type="search"]::-webkit-search-decoration {
    -webkit-appearance: none;
}
::-webkit-file-upload-button {
    -webkit-appearance: button;
    font: inherit;
}
details {
    display: block;
}
summary {
    display: list-item;
}
template {
    display: none;
}
[hidden] {
    display: none;
}
:root {
    --page-max-width: 1200px;
}
*,
:after,
:before {
    box-sizing: border-box;
}
img {
    display: block;
    max-width: 100%;
}
.coverpage {
    width: 100%;
    max-width: var(--page-max-width);
    --coverpage-gutter: 20px;
    --coverpage-columns: 2;
    --coverpage-width: 100vw;
    --item-max-width: 200px;
    --coverpage-row-height: calc((var(--coverpage-width) - var(--coverpage-gutter) * 2 - (var(--coverpage-columns) - 1) * var(--coverpage-gutter)) / var(--coverpage-columns));
    --coverpage-true-max-width: calc(var(--item-max-width) * var(--coverpage-columns) + (var(--coverpage-columns) + 1) * var(--coverpage-gutter));
    width: var(--coverpage-width);
    max-width: 100%;
    margin: 0 auto;
    padding: var(--coverpage-gutter);
}
@media screen and (pointer: fine) {
    .coverpage {
        --coverpage-width: calc(100vw - 20px);
    }
}
@media screen and (pointer: coarse) and (min-width: 1270px), screen and (pointer: fine) and (min-width: 1290px) {
    .coverpage {
        --coverpage-width: var(--coverpage-true-max-width);
    }
}
.coverpage .coverpage__inner {
    display: grid;
    grid-gap: var(--coverpage-gutter);
    grid-template-columns: repeat(var(--coverpage-columns), 1fr);
    grid-auto-rows: var(--coverpage-row-height);
}
.coverpage .layout__01 {
    grid-template-areas: "a01 a02" "a03 a04" "a05 a06" "a07 a08" "a09 a10" "a11 a12" "a13 a14" "a15 a16" "a17 a18";
}

@media screen and (pointer: coarse) and (min-width: 641px), screen and (pointer: fine) and (min-width: 661px) {
    .coverpage {
        --coverpage-columns: 6;
    }
    .coverpage .layout__01 {
        grid-template-areas: "a01 a02 a03 a04 a05 a06" "a07 a08 a09 a10 a11 a12" "a13 a14 a15 a16 a17 a18";
    }
.coverpage .item {
    background: #f3f3f3;
}
.coverpage .item.item--01 {
    grid-area: a01;
}
.coverpage .item.item--02 {
    grid-area: a02;
}
.coverpage .item.item--03 {
    grid-area: a03;
}
.coverpage .item.item--04 {
    grid-area: a04;
}
.coverpage .item.item--05 {
    grid-area: a05;
}
.coverpage .item.item--06 {
    grid-area: a06;
}
.coverpage .item.item--07 {
    grid-area: a07;
}
.coverpage .item.item--08 {
    grid-area: a08;
}
.coverpage .item.item--09 {
    grid-area: a09;
}
.coverpage .item.item--10 {
    grid-area: a10;
}
.coverpage .item.item--11 {
    grid-area: a11;
}
.coverpage .item.item--12 {
    grid-area: a12;
}
.coverpage .item.item--13 {
    grid-area: a13;
}
.coverpage .item.item--14 {
    grid-area: a14;
}
.coverpage .item.item--15 {
    grid-area: a15;
}
.coverpage .item.item--16 {
    grid-area: a16;
}
.coverpage .item.item--17 {
    grid-area: a17;
}
.coverpage .item.item--18 {
    grid-area: a18;
}
.coverpage .coverpage__inner .item .item--link {
    display: block;
    height: 100%;
    width: 100%;
}
.coverpage .coverpage__inner .item .item--link .item--background {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: 50%;
}
.coverpage .coverpage__inner .item.item--available:focus,
.coverpage .coverpage__inner .item.item--available:hover {
    cursor: pointer;
}
.coverpage .coverpage__inner .item .item--background {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: 50%;
}
.coverpage .coverpage__inner .item {
    border-radius: 15px;
}
.coverpage .coverpage__inner .item .item--link {
    border-radius: 15px;
    /* background-color: hsla(0, 0%, 83.1%, 0.8); */
    background-image: url(../img/rudi_glocke.png);
    background-repeat: no-repeat;
    background-size: contain;
    backdrop-filter: blur(5px);
    box-shadow: inset 0 0 1px rgba(0, 0, 0, 0.065), inset 0 0 2px rgba(0, 0, 0, 0.065), inset 0 0 3px rgba(0, 0, 0, 0.065), inset 0 0 5px rgba(0, 0, 0, 0.065), inset 0 0 8px rgba(0, 0, 0, 0.065), inset 0 0 13px rgba(0, 0, 0, 0.065),
        inset 0 0 21px rgba(0, 0, 0, 0.065), inset 0 0 34px rgba(0, 0, 0, 0.065), inset 0 0 55px rgba(0, 0, 0, 0.065);
    position: relative;
    z-index: 15;
    outline: none;
}
.coverpage .coverpage__inner .item .item--link .item--background {
    border-radius: 15px;
    position: absolute;
    transform-origin: left;
    transition: all 0.4s ease-in-out;
}
.coverpage .coverpage__inner .item.item--available .item--link:not(.coverpage .coverpage__inner .item.item--available .item--link.open) .item--background {
    transition: all 0.2s ease-in-out;
}
.coverpage .coverpage__inner .item.item--available .item--link:not(.coverpage .coverpage__inner .item.item--available .item--link.open):focus,
.coverpage .coverpage__inner .item.item--available .item--link:not(.coverpage .coverpage__inner .item.item--available .item--link.open):focus-visible,
.coverpage .coverpage__inner .item.item--available .item--link:not(.coverpage .coverpage__inner .item.item--available .item--link.open):hover {
    z-index: 17;
    outline: none;
}
.coverpage .coverpage__inner .item.item--available .item--link:not(.coverpage .coverpage__inner .item.item--available .item--link.open):focus-visible .item--background,
.coverpage .coverpage__inner .item.item--available .item--link:not(.coverpage .coverpage__inner .item.item--available .item--link.open):focus .item--background,
.coverpage .coverpage__inner .item.item--available .item--link:not(.coverpage .coverpage__inner .item.item--available .item--link.open):hover .item--background {
    transform: perspective(1000px) rotateY(-15deg);
}
.coverpage .coverpage__inner .item.item--available .item--link:not(.coverpage .coverpage__inner .item.item--available .item--link.open):focus-visible .item--background,
.coverpage .coverpage__inner .item.item--available .item--link:not(.coverpage .coverpage__inner .item.item--available .item--link.open):focus .item--background,
.coverpage .coverpage__inner .item.item--available .item--link:not(.coverpage .coverpage__inner .item.item--available .item--link.open):hover .item--background {
    box-shadow: 1px 0 1px rgba(0, 0, 0, 0.12), 2px 0 2px rgba(0, 0, 0, 0.11), 3px 1px 3px rgba(0, 0, 0, 0.1), 5px 1px 5px rgba(0, 0, 0, 0.08), 8px 2px 8px rgba(0, 0, 0, 0.08), 13px 3px 13px rgba(0, 0, 0, 0.08),
        21px 5px 21px rgba(0, 0, 0, 0.08), 34px 8px 34px rgba(0, 0, 0, 0.08), 55px 13px 55px rgba(0, 0, 0, 0.08);
}
.coverpage .coverpage__inner .item.item--available .item--link.open {
    z-index: 16;
}
.coverpage .coverpage__inner .item.item--available .item--link.open .item--background {
    transform: perspective(1000px) rotateY(-87deg);
    box-shadow: 1px 0 1px rgba(0, 0, 0, 0.12), 2px 0 2px rgba(0, 0, 0, 0.11), 3px 0 3px rgba(0, 0, 0, 0.1), 8px 0 5px rgba(0, 0, 0, 0.08), 13px 0 8px rgba(0, 0, 0, 0.08), 21px 0 13px rgba(0, 0, 0, 0.08), 34px 0 21px rgba(0, 0, 0, 0.08),
        55px 0 34px rgba(0, 0, 0, 0.08), 89px 0 55px rgba(0, 0, 0, 0.08);
}