/*  NAVIGATION  */
nav {
    display: flex;
    justify-content: center;
    background-color: rgb(0, 0, 0);
    position: fixed;
    overflow: hidden;
    /* bottom: 0; */
    width: 100%;
    height: 8.5vh;
    /*
    box-shadow: 0px 0px 8px 5px rgb(0, 0, 0);*/
    z-index: 4;
  }
  
  nav li {
    list-style-type: none;
    margin-right: 0px;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 20px;
    
  }
  
  nav li:last-of-type {
    margin-right: 50px;
  }
  
  
  
  nav a {
    color: rgb(28, 173, 137);
    text-decoration: none;
    padding: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;   
  }
  
  
  nav li a {
    display: inline-box;
    color: rgb(255, 255, 255);
    text-align: left;
    
    /* padding: 14px 16px; */
    text-decoration: none;
    
    margin: 6;
    padding: 0;
  
  }
  /*
  #rotating-background {
    position: fixed;
    background-color: black;
    margin: 0;
    background-image: url(../img/backgrounds/Hintergrund.svg);
    background-size: contain;
    width: 100vw;
    height: 100vw;
    animation-name: rotate;
    animation-duration: 500s;
    animation-iteration-count: infinite;
    animation-timing-function: linear;
  }
  
  @keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
  }
*/


/*  HOVER NAVIGATION  */

  
  .glow-on-hover {
    width: 170px;
    height: 55px;
    border: none;
    outline: none;
    color: #fff;
    background: rgb(0, 0, 0);
    cursor: pointer;
    position: relative;
    top: 5px;
    z-index: 0;
    border-radius: 10px;
  }
  
  .glow-on-hover:before {
    content: '';
    background: linear-gradient(45deg, #fff6fd, #f0adf7, #96ffe8, #00ffd5, #00e1ff, #00ffd5, #c2acff, #ffebfb);
    position: absolute;
    top: -2px;
    left:-2px;
    background-size: 400%;
    z-index: -1;
    filter: blur(5px);
    width: calc(100% + 4px);
    height: calc(100% + 4px);
    animation: glowing 20s linear infinite;
    opacity: 0;
    transition: opacity .3s ease-in-out;
    border-radius: 10px;
  }
  
  .glow-on-hover:active {
    color: #000
  }
  
  .glow-on-hover:active:after {
    background: transparent;
  }
  
  .glow-on-hover:hover:before {
    opacity: 1;
  }
  
  .glow-on-hover:after {
    z-index: -1;
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgb(0, 0, 0);
    left: 0;
    top: 0;
    border-radius: 10px;
  }
  
  @keyframes glowing {
    0% { background-position: 0 0; }
    50% { background-position: 400% 0; }
    100% { background-position: 0 0; }
  }

  

/*  BODY */


  * {
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
    box-sizing: border-box;
}

body {
   background-color: rgb(0, 0, 0);
    min-height: 1500px;
    text-align: center;
    transition: background-color .5s ease;
}





h1 {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 50px;
    color: rgb(1, 255, 56);
}

.robot {
    background-color: black;
    height: 700px;
}

.kopf {
    background-image: url(../img/Kopf/Kopf.png);
    width: 450px;
    height: 450px;
    background-repeat: no-repeat;
    position: fixed;
    top: 25%;
    left: 40%;
    scrollbar-shadow-color: black;
}

.kopf.grayscale {filter: grayscale(100%);}

.kopf.huerotate {filter: hue-rotate(300deg);}

.kopf.saturate {filter: saturate(7);}

.saturate {
  animation: scale 1s infinite linear;
}


@keyframes scale {
  0%   {transform: translateY(10px);} 
        50%  {transform: translateY(190px);} 
        100% {transform: translateY(2px);} 
}
/*
.kopf.spiegel {
    transform: scaleX(-1);
  }

@keyframes spiegel {
    from {
      transform: scaleX(-1); }
    to {
      transform: scaleX(1);}
  }
*/




/*  BACKGROUNDS  */

.kopf.rotate{
 
    animation: rotation 2s infinite linear;
}


@keyframes rotation {
    from {
      transform: rotate(359deg);
    }
    to {
      transform: rotate(0deg);
    }
  }

.background1 {
    background-color: #000000;
    position: static;
    height: 10px;
    z-index: 1;
    font-size: 10px;
}




.scrollelement {
    width:100vw !important;
   
}


.background3 {
    background-color: #000000;
    position: static;
    
    height: 1000px;
    z-index: 1;
}

.background4 {
    background-color: #0000004d;
    position: static;
    height: 1000px;
    z-index: 1;
}

.background5 {
    background: rgb(0, 0, 0);
    min-height: 100vh;
    display: grid;
    place-items: center;
    color: white;
    font-family: sans-serif;
}

.background6 {
    background-color: #000000;
    position: static;
    background-image: url(https://media.giphy.com/media/3og0IFrHkIglEOg8Ba/giphy.gif);
    background-size: cover;
    height: 1500px;
    width: 500px;
    z-index: 1;
}

.background7 {
  background-color: #000000;
  position: static;
  background-image: url(https://media.giphy.com/media/2fNzhVtsf6U1J6qLvj/giphy.gif);
  background-size: cover;
  height: 1500px;
  width: 500px;
  z-index: 1;
}





.pfeil {
  background-color: rgba(195, 0, 255, 0);
  height: 450px;
  width: 450px;
  display: block;
  position:relative;
  background-image: url(https://media.giphy.com/media/4ZmwQfdktRkiC2BD9t/giphy.gif);
  left: 34.5%;
  top: 80%;
  size: 10%;
}

.ball {
    background-color: rgba(195, 0, 255, 0);
    height: 350px;
    width: 350px;
    display: block;
    position: relative;
    background-image: url(https://media.giphy.com/media/xThta1wmw6DUBWgyXK/giphy.gif);
    left: 38.5%;
    top: 30%;
  
}

.ball1 {
  background-color: rgba(195, 0, 255, 0);
  height: 350px;
  width: 350px;
  display: block;
  position:relative;
  background-image: url(https://media.giphy.com/media/xThta1wmw6DUBWgyXK/giphy.gif);
  left: 38.5%;
  top: 76%;
}
.ball2 {
  background-color: rgba(195, 0, 255, 0);
  height: 350px;
  width: 350px;
  display: block;
  position:relative;
  background-image: url(https://media.giphy.com/media/xThta1wmw6DUBWgyXK/giphy.gif);
  left: 38.5%;
  top: 91%;
}

.ding {
  background-color: rgba(195, 0, 255, 0);
  height: 200px;
  width: 280px;
  display: block;
  position:relative;
  background-image: url(https://media.giphy.com/media/fKnKBZtayVB2o/giphy.gif);
  left: 0.5%;
  top: -45%;
}

.ding1 {
  background-color: rgba(195, 0, 255, 0);
  height: 200px;
  width: 280px;
  display: block;
  position:relative;
  background-image: url(https://media.giphy.com/media/fKnKBZtayVB2o/giphy.gif);
  left: 78.5%;
  top: 69%;
}
.ding2 {
  background-color: rgba(195, 0, 255, 0);
  height: 500px;
  width: 500px;
  display: block;
  position:relative;
  background-image: url(https://media.giphy.com/media/ADkxiZJRv89bhLLppW/giphy.gif
  );
  left: 8.5%;
  top: 0%;
}
.ding3 {
  background-color: rgba(195, 0, 255, 0);
  height: 500px;
  width: 500px;
  display: block;
  position:relative;
  background-image: url(https://media.giphy.com/media/ADkxiZJRv89bhLLppW/giphy.gif
  );
  left: 70.5%;
  top: -3%;
}
.ding4 {
  background-color: rgba(195, 0, 255, 0);
  height: 400px;
  width: 500px;
  display: block;
  position:relative;
  background-image: url(
    https://media.giphy.com/media/KfO1WOZN8xUuGgTFWq/giphy.gif);
  left: 0.5%;
  top: 41%;
}

.laser {
  background-color: rgba(195, 0, 255, 0);
  height: 450px;
  width: 450px;
  display: block;
  position:relative;
  background-image: url(https://media.giphy.com/media/lnxeP0fCyFUaCwCvKg/giphy.gif);
  left: 34.5%;
  top: 80%;
}

h1 {
  font-size: 2vw;
  font-family: monospace;
  position: absolute;
  top: 40vw;
  left: 30vw;
  color: rgb(255, 255, 255);
    z-index: -1000;
  font-weight: 100;
  }