@if index($hamburger-types, 3dx-r) {

/*
 * 3DX Reverse
 */
.hamburger--3dx-r {
  .hamburger-box {
    perspective: $hamburger-layer-width * 2;
  }

  .hamburger-inner {
    transition: transform 0.15s cubic-bezier(0.645, 0.045, 0.355, 1),
                background-color 0s 0.1s cubic-bezier(0.645, 0.045, 0.355, 1);

    &::before,
    &::after {
      transition: transform 0s 0.1s cubic-bezier(0.645, 0.045, 0.355, 1);
    }
  }

  &.is-active {
    .hamburger-inner {
      background-color: transparent;
      transform: rotateY(-180deg);

      &::before {
        transform: translate3d(0, $hamburger-layer-height + $hamburger-layer-spacing, 0) rotate(45deg);
      }

      &::after {
        transform: translate3d(0, ($hamburger-layer-height + $hamburger-layer-spacing) * -1, 0) rotate(-45deg);
      }
    }
  }
}

}