/* 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(90px) scale(.7);
  -moz-transform: translateZ(90px) scale(.7);
  -ms-transform: translateZ(90px) scale(.7);
  -o-transform: translateZ(90px) scale(.7);
  transform: translateZ(90px) scale(.7);
  z-index: 1;
}

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

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

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

.parallax__group {
  -webkit-transition: -webkit-transform 0.5s;
  -moz-transition: -moz-transform 0.5s;
  -o-transition: -o-transform 0.5s;
  -ms-transition: -ms-transform 0.5s;
  transition: transform 0.5s;
}