/*      
    
    Stylesheet and Method adapted from:
        A grouped pure CSS parallax demo by Keith Clark     

*/


  /* Parallax base styles
  --------------------------------------------- */

  .parallax {
    height: 500px; /* fallback for older browsers */
    height: 100vh;
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-perspective: 300px;
    perspective: 300px;
  }

  .parallax__group {
    position: relative;
    height: 500px; /* fallback for older browsers */
    height: 100vh;
    -webkit-transform-style: preserve-3d;
    transform-style: preserve-3d;
  }

  .parallax__layer {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
  }

  .parallax__layer--fore {
    -webkit-transform: translateZ(170px) scale(.7);
    transform: translateZ(170px) scale(.7);
    z-index: 1;
  }

  .parallax__layer--base {
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    z-index: 4;
  }

  .parallax__layer--back {
    -webkit-transform: translateZ(-300px) scale(2);
    transform: translateZ(-300px) scale(2);
    z-index: 3;
  }

  .parallax__layer--deep {
    -webkit-transform: translateZ(-600px) scale(3);
    transform: translateZ(-600px) scale(3);
    z-index: 2;
  }


  /* Debugger styles - used to show the effect
  --------------------------------------------- */

  .debug {
    position: fixed;
    top: 0;
    left: .5em;
    z-index: 999;
    background: rgba(0,0,0,.85);
    color: #fff;
    padding: .5em;
    border-radius: 0 0 5px 5px;
  }
  .debug-on .parallax__group {
    -webkit-transform: translate3d(800px, 0, -800px) rotateY(30deg);
    transform: translate3d(700px, 0, -800px) rotateY(30deg);
    transform:  translate(-1000px, -220px) rotate(50deg) scale(5);
 }
  .debug-on .parallax__layer {
    box-shadow: 0 0 0 2px #000;
    opacity: 0.9;
  }
  .parallax__group {
    -webkit-transition: -webkit-transform 0.5s;
    transition: transform 0.5s;
  }


  /* demo styles
  --------------------------------------------- */

  body, html {
    overflow: hidden;
  }

  body {
    //font: 100% / 1.5 Arial;
  }

  * {
    margin:0;
    padding:0;
  }



   /* centre the content in the parallax layers */
  .title {
    text-align: center;
    position: absolute;
    left: 50%;
    top: 50%;
    -webkit-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
  }



  /* style the groups
  --------------------------------------------- */

  #group5 {
    z-index: 3; /* slide over group 4 and 6 */
  }
  #group5 .parallax__layer--base {
  }

  #group6 {
    z-index: 2; /* slide under group 5 and 7 */
  }


  /* misc
  --------------------------------------------- */
  .demo__info {
    position: absolute;
    z-index:100;
    bottom: 1vh;
    top: auto;
    font-size:80%;
    text-align:center;
    width: 100%;
  }