/*
  Dim element on hover by adding the dim class.
*/
.dim {
  opacity: 1;
  transition: opacity 0.15s ease-in;
}
.dim:hover,
.dim:focus {
  opacity: 0.5;
  transition: opacity 0.15s ease-in;
}
.dim:active {
  opacity: 0.8;
  transition: opacity 0.15s ease-out;
}

/*
  Animate opacity to 100% on hover by adding the glow class.
*/
.glow {
  transition: opacity 0.15s ease-in;
}
.glow:hover,
.glow:focus {
  opacity: 1;
  transition: opacity 0.15s ease-in;
}

/*

  Hide child & reveal on hover:

  Put the hide-child class on a parent element and any nested element with the
  child class will be hidden and displayed on hover or focus.

  <div class="hide-child">
    <div class="child"> Hidden until hover or focus </div>
    <div class="child"> Hidden until hover or focus </div>
    <div class="child"> Hidden until hover or focus </div>
    <div class="child"> Hidden until hover or focus </div>
  </div>
*/

.hide-child .child {
  opacity: 0;
  transition: opacity 0.15s ease-in;
}
.hide-child:hover .child,
.hide-child:focus .child,
.hide-child:active .child {
  opacity: 1;
  transition: opacity 0.15s ease-in;
}

.underline-hover:hover,
.underline-hover:focus {
  text-decoration: underline;
}

/* Can combine this with overflow-hidden to make background images grow on hover
 * even if you are using background-size: cover */

.grow {
  -moz-osx-font-smoothing: grayscale;
  backface-visibility: hidden;
  transform: translateZ(0);
  transition: transform 0.25s ease-out;
}

.grow:hover,
.grow:focus {
  transform: scale(1.05);
}

.grow:active {
  transform: scale(0.9);
}

.grow-large {
  -moz-osx-font-smoothing: grayscale;
  backface-visibility: hidden;
  transform: translateZ(0);
  transition: transform 0.25s ease-in-out;
}

.grow-large:hover,
.grow-large:focus {
  transform: scale(1.2);
}

.grow-large:active {
  transform: scale(0.95);
}

/* Add pointer on hover */

.pointer:hover {
  cursor: pointer;
}

/*
   Add shadow on hover.

   Performant box-shadow animation pattern from
   http://tobiasahlin.com/blog/how-to-animate-box-shadow/
*/

.shadow-hover {
  cursor: pointer;
  position: relative;
  transition: all 0.5s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.shadow-hover::after {
  content: "";
  box-shadow: 0px 0px 16px 2px rgba(0, 0, 0, 0.2);
  border-radius: inherit;
  opacity: 0;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  transition: opacity 0.5s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.shadow-hover:hover::after,
.shadow-hover:focus::after {
  opacity: 1;
}

/* Combine with classes in skins and skins-pseudo for
 * many different transition possibilities. */

.bg-animate,
.bg-animate:hover,
.bg-animate:focus {
  transition: background-color 0.15s ease-in-out;
}
