* {
    box-sizing: border-box;
}

:root {
    --fluessig: #6b7a8f;
    --luft: #f7882f;
    --fest: #dcc7aa;
    --radio: #f7c331;
}

html {
    font-size: 0.05vw;
    width: 100%;
    height: 100%;
}

body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    font-family: 'Lato', sans-serif;
    font-weight: 400;
    font-size: 16rem;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow: hidden;
    color: #414141;
}

a {
    color: #414141;
    display: inline-block;
    position: relative;
}

a::before {
    content: '';
    display: block;
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 1px;
    border-bottom: 1px solid #eee;
    transition: all 0.4s;
}

a:hover::before {
    width: 100%;
    left: 0;
}

.app_vis {
    display: none;
}

.clearer::after {
    clear: both;
    content: '';
    display: block;
    width: 0rem;
    height: 1rem;
    visibility: hidden;
    opacity: 0;
}

.innenw {
    width: 68%;
    margin: 0 auto;
    position: relative;
}

h1 {
    position: absolute;
    left: -10000rem;
    width: 1rem;
    height: 1rem;
    visibility: hidden;
    opacity: 0;
    overflow: hidden;
}

h2,
h3 {
    font-family: 'Roboto', sans-serif;
    font-weight: 300;
    margin: 0;
    margin-bottom: 1em;
    letter-spacing: .06em;
    font-size: 400%;
    text-align: center;
}

h2 span {
    font-size: 50%;
    display: block;
    position: relative;
    margin-top: -1em;
}

b,
strong {
    font-weight: 900;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.9);
    padding: 1em;
    display: flex;
    align-items: center;
    padding-left: 4em;
    padding-right: 4em;
    transition: all 0.4s;
    z-index: 10;
}

div#navi ul {
    display: flex;
    justify-content: flex-end;
}

div#navi ul a {
    color: #333;
    font-weight: 900;
    text-transform: uppercase;
    display: flex;
    letter-spacing: .04em;
    white-space: nowrap;
    padding: 0.5em;
    position: relative;
}

div#navi > ul > li {
    margin-left: 4em;
}

div#navi > ul li.suche {
    position: absolute;
    right: 2em;
    top: 50%;
    transform: translateY(-50%);
    padding: 0.25em;
    border: 1px dashed #ccc;
}

div#navi > ul > li > ul {
    position: absolute;
    background: #fafafa;
    padding: 2em;
    left: 0;
    top: 125%;
    opacity: 0;
    visibility: hidden;
    display: block;
    column-count: 3; 
    width: 100%;
    transition: all 0.6s;
    border-top: 1px solid #ccc;
    border-bottom: 0.5em solid #ccc;
}

div#navi > ul > li:hover > ul {
    opacity: 1;
    visibility: visible;
    top: 100%;
}

div#navi > ul > li > ul > li {
    break-inside: avoid-column;
}

div#navi > ul > li:hover > a {
    background: #555;
    color: #fff;
}

div#navi > ul > li:hover > a::before {
    content: '';
    display: block;
    position: absolute;
    width: 120%;
    height: 120%;
    top: -10%;
    left: -10%;
}

div#navi ul ul a {
    text-transform: none;
}

div.suche {
    display: flex;
    background: #fff;
    align-items: center;
}

div.suche input {
    display: block;
    white-space: nowrap;
    min-width: 15em;
    outline: none;
}

a.logo {
    position: relative;
    display: flex;
    align-items: center;
}

a.logo>span {
    font-size: 250%;
    font-weight: 900;
    color: #777;
    letter-spacing: -4rem;
}

a.logo>span span.duenn {
    font-family: 'Roboto', sans-serif;
    font-weight: 300;
}

div.logo {
    position: relative;
    transform-style: preserve-3d;
    transform-origin: 50% 50%;
    display: flex;
    flex-wrap: wrap;
    width: 100rem;
    height: 100rem;
    margin-right: -8rem;
    z-index: -1;
    opacity: 0.6;
}

div.logo>span {
    display: block;
    width: 50%;
    height: 50%;
    border: 1px solid #fff;
    border-radius: 10rem;
}

div.logo>span.fest {
    background-color: var(--fest);
}

div.logo>span.fluessig {
    background-color: var(--fluessig);
}

div.logo>span.luft {
    background-color: var(--luft);
}

div.logo>span.radio {
    background-color: var(--radio);
}

a.logo span.kleines_i {
    position: relative;
    display: inline-block;
    transform: rotate(180deg);
    top: 10rem;
    padding-right: 8rem;
    opacity: 0.5;
}

@keyframes spin {
    from {
        transform: rotateX(335deg) rotateY(335deg) rotateZ(0deg);
    }

    to {
        transform: rotateX(335deg) rotateY(0deg) rotateZ(360deg);
    }
}

@keyframes rotate {
    from {
        transform: rotateY(0deg);
    }

    to {
        transform: rotateY(360deg);
    }
}

@keyframes rotate2 {
    from {
        transform: translateY(100rem) rotateY(360deg);
    }

    to {
        transform: translateY(100rem) rotateY(0deg);
    }
}

#main {
    width: 300rem;
    height: 300rem;
    margin: 0 auto;
    margin-top: 150rem;
    transform: rotateX(335deg) rotateY(335deg) rotateZ(0deg);
    transform-style: preserve-3d;
    transform-origin: 50% 50%;
    animation: spin 200s infinite linear;
}

.cube {
    opacity: 1;
    position: absolute;
    height: 100rem;
    width: 100rem;
}

div.col,
div.row,
div.lvl {
    -webkit-transform-style: preserve-3d;
    -moz-transform-style: preserve-3d;
    -ms-transform-style: preserve-3d;
    transform-style: preserve-3d;
    transform-origin: 50% 50%;
}

/*
div.lvl1 {
    animation: rotate 25s infinite linear;
}
div.lvl2 {
    animation: rotate2 25s infinite linear;
}
*/
div.col2 {
    -webkit-transform: translateX(100rem);
    -moz-transform: translateX(100rem);
    -ms-transform: translateX(100rem);
    -o-transform: translateX(100rem);
    transform: translateX(100rem);
}

div.col3 {
    -webkit-transform: translateX(200rem);
    -moz-transform: translateX(200rem);
    -ms-transform: translateX(200rem);
    -o-transform: translateX(200rem);
    transform: translateX(200rem);
}

div.row1 {
    -webkit-transform: translateZ(-150rem);
    -moz-transform: translateZ(-150rem);
    -ms-transform: translateZ(-150rem);
    -o-transform: translateZ(-150rem);
    transform: translateZ(-150rem);
}

div.row2 {
    -webkit-transform: translateZ(-50rem);
    -moz-transform: translateZ(-50rem);
    -ms-transform: translateZ(-50rem);
    -o-transform: translateZ(-50rem);
    transform: translateZ(-50rem);
}

div.row3 {
    -webkit-transform: translateZ(50rem);
    -moz-transform: translateZ(50rem);
    -ms-transform: translateZ(50rem);
    -o-transform: translateZ(50rem);
    transform: translateZ(50rem);
}


div.lvl2 {
    -webkit-transform: translateY(100rem);
    -moz-transform: translateY(100rem);
    -ms-transform: translateY(100rem);
    -o-transform: translateY(100rem);
    transform: translateY(100rem);
}

div.lvl3 {
    -webkit-transform: translateY(200rem);
    -moz-transform: translateY(200rem);
    -ms-transform: translateY(200rem);
    -o-transform: translateY(200rem);
    transform: translateY(200rem);
}


.cube div {
    position: absolute;
    height: 100rem;
    width: 100rem;
    border: 1px solid #fff;
    border-radius: 0.5em;
    cursor: pointer;
    transition: all 0.4s;
}

.cube div.fest {
    background-color: var(--fest);
}

.cube div.fluessig {
    background-color: var(--fluessig);
}

.cube div.radio {
    background-color: var(--radio);
}

.cube div.luft {
    background-color: var(--luft);
}

.cube div:hover {
    opacity: 0.8;
}

.cube div span {
    display: flex;
    width: 100%;
    height: 100%;
    align-items: center;
    justify-content: center;
}

.cube div:nth-child(1) {
    /*front*/
    -webkit-transform: translateZ(50rem);
    -moz-transform: translateZ(50rem);
    -ms-transform: translateZ(50rem);
    -o-transform: translateZ(50rem);
    transform: translateZ(50rem);
    /*background-color: #fff;
    background-color: var(--fluessig);*/
}

.cube div:nth-child(2) {
    /*top*/
    -webkit-transform: rotateX(90deg) translateZ(50rem);
    -moz-transform: rotateX(90deg) translateZ(50rem);
    -ms-transform: rotateX(90deg) translateZ(50rem);
    -o-transform: rotateX(90deg) translateZ(50rem);
    transform: rotateX(90deg) translateZ(50rem);
}

.cube div:nth-child(3) {
    /*bottom*/
    -webkit-transform: rotateX(-90deg) translateZ(50rem);
    -moz-transform: rotateX(-90deg) translateZ(50rem);
    -ms-transform: rotateX(-90deg) translateZ(50rem);
    -o-transform: rotateX(-90deg) translateZ(50rem);
    transform: rotateX(-90deg) translateZ(50rem);
}

.cube div:nth-child(4) {
    /*left*/
    -webkit-transform: rotateY(-90deg) translateZ(50rem);
    -moz-transform: rotateY(-90deg) translateZ(50rem);
    -ms-transform: rotateY(-90deg) translateZ(50rem);
    -o-transform: rotateY(-90deg) translateZ(50rem);
    transform: rotateY(-90deg) translateZ(50rem);
}

.cube div:nth-child(5) {
    /*right*/
    -webkit-transform: rotateY(90deg) translateZ(50rem);
    -moz-transform: rotateY(90deg) translateZ(50rem);
    -ms-transform: rotateY(90deg) translateZ(50rem);
    -o-transform: rotateY(90deg) translateZ(50rem);
    transform: rotateY(90deg) translateZ(50rem);
}

.cube div:nth-child(6) {
    /*back*/
    -webkit-transform: translateZ(-50rem);
    -moz-transform: translateZ(-50rem);
    -ms-transform: translateZ(-50rem);
    -o-transform: translateZ(-50rem);
    transform: translateZ(-50rem);
}

.cube div:nth-child(6) span {
    transform: scaleX(-1);
}

div.wuerfel {
    position: relative;
    -webkit-box-reflect: below -4em -webkit-linear-gradient(top, rgba(0,0,0,0) 45%,rgba(255,255,255,0.4) 100%);
}

div.wuerfel_inhalt {
    position: absolute;
    top: 0;
    left: -100%;
}

div.wuerfel_inhalt>div {
    opacity: 0;
    visibility: hidden;
    position: relative;
    padding: 4em;
    transition: all 0.4s;
    position: absolute;
    min-width: 300rem;
    min-height: 300rem;
    background: rgba(255, 255, 255, 0.9);
    top: 0;
    left: 0;
}

.fest div.wuerfel_inhalt>div.fest,
.fluessig div.wuerfel_inhalt>div.fluessig,
.luft div.wuerfel_inhalt>div.luft,
.radio div.wuerfel_inhalt>div.radio {
    opacity: 1;
    visibility: visible;
}

div.wuerfel_inhalt ul {
    list-style: square;
    margin-left: 1em;
    column-count: 2;
    white-space: nowrap;
}

div.wuerfel_inhalt li {
    padding-right: 2em;
}

div.wuerfel_inhalt div.bilder {
    position: absolute;
    z-index: -1;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

div.wuerfel_inhalt img {
    display: block;
    width: 200rem;
    height: auto;
    background: #fff;
    border-radius: 100%;
    border: 1px dashed #ccc;
    position: absolute;
    bottom: -100rem;
    left: 100rem;
}

div.wuerfel_inhalt img.b2,
div.wuerfel_inhalt img.b3 {
    top: 0;
    bottom: auto;
    left: -200rem;
}

div.wuerfel_inhalt img.b3 {
    left: -100rem;
    top: 150rem;
}

div#seite {
    min-height: 100%;
}

div.startseite {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    align-items: center;
    align-content: center;
    height: 100%;
    position: absolute;
    width: 100%;
    padding-top: 15%;
    padding-bottom: 10em;
}

div.startseite h2 {
    width: 100%;
    position: relative;
}

div.farben {
    padding: 0.5em;
    display: flex;
    justify-content: center;
}

div.farben span {
    display: block;
    padding: 0.25em;
    margin: 0.15em;
    border-bottom: 4rem solid transparent;
}

div.farben span.fest {
    border-color: var(--fest);
}

div.farben span.fluessig {
    border-color: var(--fluessig);
}

div.farben span.luft {
    border-color: var(--luft);
}

div.farben span.radio {
    border-color: var(--radio);
}

div.maus img {
    display: inline-block;
    width: 60rem;
    height: auto;
}

div.maus img.pfeil {
    opacity: 0.5;
}

div.maus {
    position: absolute;
    top: 25%;
    right: -75%;
}

footer {
    position: sticky;
    bottom: 0;
    padding: 0.5em;
}

footer div.links {
    display: flex;
    justify-content: center;
}

footer a {
    display: block;
    padding: 0.5em;
}

footer audio {
    position: absolute;
    display: block;
    bottom: 1em;
    left: 4em;
    transform: scale(.75);
    outline: none;
    border-radius: 0;
    transform-origin: bottom left;
}

div.bg {
    width: 100%;
    height:100%;
    position: absolute;
    z-index: -1;
    top: 0;
    left: 0;  
    overflow: hidden;
}

.area{
    transform-style: preserve-3d;
    transform-origin: 50% 50%;
    animation: spin 20s infinite linear;
    width: 100%;
    height: 100%;
}

.circles{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.circles li{
    position: absolute;
    display: block;
    list-style: none;
    width: 20px;
    height: 20px;
    background: #6b7a8f;
    animation: animate 25s linear infinite;
    bottom: -150px;    
}

.circles li:nth-child(1){
    left: 25%;
    width: 80px;
    height: 80px;
    animation-delay: 0s;
    background: #dcc7aa;
}

.circles li:nth-child(2){
    left: 10%;
    width: 20px;
    height: 20px;
    animation-delay: 2s;
    animation-duration: 12s;
    background: #f7882f;
}

.circles li:nth-child(3){
    left: 70%;
    width: 20px;
    height: 20px;
    animation-delay: 4s;
}

.circles li:nth-child(4){
    left: 40%;
    width: 60px;
    height: 60px;
    animation-delay: 0s;
    animation-duration: 18s;
    background: #f7c331;
}

.circles li:nth-child(5){
    left: 65%;
    width: 20px;
    height: 20px;
    animation-delay: 0s;
    background: #777;
}

.circles li:nth-child(6){
    left: 75%;
    width: 110px;
    height: 110px;
    animation-delay: 3s;
}

.circles li:nth-child(7){
    left: 35%;
    width: 150px;
    height: 150px;
    background: #f7882f;
    animation-delay: 7s;
}

.circles li:nth-child(8){
    left: 50%;
    width: 25px;
    height: 25px;
    background: #f7c331;
    animation-delay: 15s;
    animation-duration: 45s;
}

.circles li:nth-child(9){
    left: 20%;
    width: 15px;
    height: 15px;
    background: #777;
    animation-delay: 2s;
    animation-duration: 35s;
}

.circles li:nth-child(10){
    left: 85%;
    width: 150px;
    height: 150px;
    background: #f7c331;
    animation-delay: 0s;
    animation-duration: 11s;
}



@keyframes animate {

    0%{
        transform: translateY(0) rotate(0deg);
        opacity: 1;
        border-radius: 0;
    }

    100%{
        transform: translateY(-1000px) rotate(720deg);
        opacity: 0;
        border-radius: 50%;
    }

}


























@media (max-width: 1440px) {
    html {
        font-size: 0.85px;
    }

}

@media (max-width: 1280px) {
    html {
        font-size: 0.7px;
    }
}


@media (max-width: 1024px) {

    html {
        font-size: 0.11vw;
    }

    .innenw {
        width: 96%;
    }

    .app_vis {
        display: block;
    }

    a.menu {
        position: absolute;
        right: 1em;
        font-size: 150%;
    }

    a.menu img.zu,
    .menu a.menu img.auf {
        display: none;
    }

    .menu a.menu img.zu {
        display: inline;
    }



}

@media (max-width: 540px) {

    html {
        font-size: 0.2vw;
    }

}