<div class="container">
  <div class="title">A Sliding Menu Demo</div>
  <div class="menu-icon" id="menu-icon">
    <i class="fa fa-bars" aria-hidden="true"></i>
  </div>
  <div class="menu">
    <div class="menu-wrap"></div>
    <div class="menu-overlay">
      <div class="menu-item">
        <a data-item="Home">Home</a>
      </div>
      <div class="menu-item">
        <a data-item="About">About</a>
      </div>
      <div class="menu-item">
        <a data-item="Products">Products</a>
      </div>
      <div class="menu-item">
        <a data-item="Contact">Contact</a>
      </div>
    </div>
  </div>
</div>

@import url("https://fonts.googleapis.com/css?family=Poiret+One");
$primary-color: #f6303e;
$menu-text-color: white;
$background-color-hover: black;

* {
  padding: 0;
  margin: 0;
}
.container {
  height: 100vh;
  font-family: "Poiret One", sans-serif;
  overflow: hidden;
  .title {
    text-align: center;
    margin-top: 20rem;
    font-size: 5rem;
    color: $primary-color;
    @media only screen and (max-width: 700px) {
      font-size: 3.5rem;
    }
  }
}

.menu-icon {
  position: fixed;
  top: 0;
  right: 0;
  width: 12rem;
  height: 12rem;
  color: $primary-color;
  transform: skewX(45deg);
  -webkit-transform: skewX(45deg);
  -ms-transform: skewX(45deg);
  -webkit-transform-origin: 0 0;
  -ms-transform-origin: 0 0;
  transform-origin: 0 0;
  z-index: 20;

  .fa-bars {
    position: absolute;
    top: 2rem;
    left: 3rem;
    font-size: 4rem;
    transform: skewX(-45deg);
    cursor: pointer;
    @media only screen and (max-width: 700px) {
      font-size: 3rem;
    }
  }
  &:before {
    content: "";
    display: block;
    position: absolute;
    top: 0;
    left: 100%;
    width: 100%;
    height: 100%;
    background-color: $background-color-hover;
    -webkit-transition: -webkit-transform 0.2s;
    -o-transition: transform 0.5s;
    transition: transform 0.5s;
  }
  &:hover:before {
    -webkit-transform: translateX(-100%);
    -ms-transform: translateX(-100%);
    transform: translateX(-100%);
  }
}

.menu {
  position: fixed;
  top: 0;
  left: 100%;
  width: 100%;
  height: 100%;
  z-index: 10;
  opacity: 0;
  -webkit-transition: -webkit-transform 0.5s, opacity 0.4s;
  -ms-transition: transform 0.5s, opacity 0.4s;
  transition: transform 0.5s, opacity 0.4s;
  min-width: 65rem;
  &.open {
    opacity: 1;
    -webkit-transform: translateX(-100%);
    -ms-transform: translateX(-100%);
    transform: translateX(-100%);
  }
  .menu-wrap {
    position: absolute;
    top: 0;
    right: 0;
    width: 85%;
    height: 100%;
    color: $primary-color;
    transform: skewX(45deg);
    -webkit-transform: skewX(45deg);
    -ms-transform: skewX(45deg);
    -webkit-transform-origin: 0 0;
    -ms-transform-origin: 0 0;
    transform-origin: 0 0;
    background-color: black;
  }

  .menu-overlay {
    position: absolute;
    top: 7rem;
    right: 5rem;
    z-index: 10;
    .menu-item {
      position: relative;
      display: block;
      font-size: 3rem;
      font-weight: bold;
      line-height: 3.5rem;
      padding-top: 1rem;
      padding-right: 5rem;
      color: $primary-color;
      cursor: pointer;

      @media only screen and (max-width: 700px) {
        font-size: 2rem;
      }

      a {
        &:before {
          content: attr(data-item);
          position: absolute;
          top: 0;
          left: 0;
          max-width: 0;
          overflow: hidden;
          text-align: right;
          -webkit-transition: max-width 0.5s;
          -ms-transition: max-width 0.5s;
          transition: max-width 0.5s;
          padding-top: 1rem;
          color: $menu-text-color;
          background-color: $background-color-hover;
          z-index: 30;
        }
        &:hover:before {
          max-width: 100%;
        }
      }
    }
  }
}

$("#menu-icon").click(function(e) {
  $(".menu").toggleClass("open");
});
$(".menu-item").click(function(e){
  $(".menu").removeClass("open");
})