/*

  http://callmenick.com/post/animating-css-only-hamburger-menu-icons

  $button-width: 96px;                    // The width of the button area
  $button-height: 96px;                   // The height of the button area
  $bar-thickness: 8px;                    // The thickness of the button bars
  $button-pad: 18px;                      // The left/right padding between button area and bars.
  $button-bar-space: 12px;                // The spacing between button bars
  $button-transistion-duration: 0.3s;     // The transition duration

*/

.c-hamburger {
  display: block;
  position: absolute;
  overflow: hidden;
  left: 10px;
  margin: 0;
  padding: 0;
  width: 44px;
  height: 44px;
  font-size: 0;
  text-indent: -9999px;
  appearance: none;
  box-shadow: none;
  border-radius: none;
  border: none;
  cursor: pointer;
  transition: background 0.3s;
}

.c-hamburger:focus {
  outline: none;
}

.c-hamburger span {
  display: block;
  position: absolute;
  top: 23px;
  left: 9px;
  right: 8px;
  height: 4px;
  background: #222;;
}

.c-hamburger span::before,
.c-hamburger span::after {
  position: absolute;
  display: block;
  left: 0;
  width: 100%;
  height: 4px;
  background-color: #222;
  content: "";
}

.c-hamburger span::before {
  top: -10px;
}

.c-hamburger span::after {
  bottom: -10px;
}

.c-hamburger--rot {
  background-color: #28aadc;
}

.c-hamburger--rot span {
  transition: transform 0.3s;
}

/* active state, i.e. menu open */
.c-hamburger--rot.is-active {
  background-color: #166888;
}

.c-hamburger--rot.is-active span {
  transform: rotate(90deg);
}



.c-hamburger--htx {
  background-color: transparent;
}

.c-hamburger--htx span {
  transition: background 0s 0.3s;
}

.c-hamburger--htx span::before,
.c-hamburger--htx span::after {
  transition-duration: 0.3s, 0.3s;
  transition-delay: 0.3s, 0s;
}

.c-hamburger--htx span::before {
  transition-property: top, transform;
}

.c-hamburger--htx span::after {
  transition-property: bottom, transform;
}

/* active state, i.e. menu open */
.c-hamburger--htx.is-active {
  background-color: #cb0032;
}

.c-hamburger--htx.is-active span {
  background: none;
}

.c-hamburger--htx.is-active span::before {
  top: 0;
  transform: rotate(45deg);
}

.c-hamburger--htx.is-active span::after {
  bottom: 0;
  transform: rotate(-45deg);
}

.c-hamburger--htx.is-active span::before,
.c-hamburger--htx.is-active span::after {
  transition-delay: 0s, 0.3s;
}



.c-hamburger--htla {
  background-color: #32dc64;
}

.c-hamburger--htla span {
  transition: transform 0.3s;
}

.c-hamburger--htla span::before {
  transform-origin: top right;
  transition: transform 0.3s, width 0.3s, top 0.3s;
}

.c-hamburger--htla span::after {
  transform-origin: bottom right;
  transition: transform 0.3s, width 0.3s, bottom 0.3s;
}

/* active state, i.e. menu open */
.c-hamburger--htla.is-active {
  background-color: #18903c;
}

.c-hamburger--htla.is-active span {
  transform: rotate(180deg);
}

.c-hamburger--htla.is-active span::before,
.c-hamburger--htla.is-active span::after {
  width: 50%;
}

.c-hamburger--htla.is-active span::before {
  top: 0;
  transform: translateX(38px) translateY(4px) rotate(45deg);
}

.c-hamburger--htla.is-active span::after {
  bottom: 0;
  transform: translateX(38px) translateY(-4px) rotate(-45deg);
}



.c-hamburger--htra {
  background-color: #ff9650;
}

.c-hamburger--htra span {
  transition: transform 0.3s;
}

.c-hamburger--htra span::before {
  transform-origin: top left;
  transition: transform 0.3s, width 0.3s, top 0.3s;
}

.c-hamburger--htra span::after {
  transform-origin: bottom left;
  transition: transform 0.3s, width 0.3s, bottom 0.3s;
}

/* active state, i.e. menu open */
.c-hamburger--htra.is-active {
  background-color: #e95d00;
}

.c-hamburger--htra.is-active span {
  transform: rotate(180deg);
}

.c-hamburger--htra.is-active span::before,
.c-hamburger--htra.is-active span::after {
  width: 50%;
}

.c-hamburger--htra.is-active span::before {
  top: 0;
  transform: translateX(-8px) translateY(4px) rotate(-45deg);
}

.c-hamburger--htra.is-active span::after {
  bottom: 0;
  transform: translateX(-8px) translateY(-4px) rotate(45deg);
}