.menu {
    position: fixed;
    width: 300px;
    top: 3em;
    bottom: 3em;
    left: 0;
    z-index: 100;
    overflow: hidden;
    -webkit-transform: translate3d(-150px, 0, 0);
    transform: translate3d(-150px, 0, 0);
    -webkit-transition: -webkit-transform 0.6s;
    transition: transform 0.6s;
}

.menu.menu--open {
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
}

.main {
    -webkit-transition: opacity 0.6s;
    transition: opacity 0.6s;
}

.menu.menu--open+.main {
    opacity: 0.3;
    pointer-events: none;
}

.menu__inner {
    width: calc(100% + 25px);
    padding: 0 140px 2em 0;
    overflow-y: auto;
    height: 100%;
    position: relative;
    z-index: 100;
}

.menu ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.menu ul li {
    margin: 0 0 2em 0;
    -webkit-transform: translate3d(-150px, 0, 0);
    transform: translate3d(-150px, 0, 0);
    -webkit-transition: -webkit-transform 0.6s;
    transition: transform 0.6s;
}

.menu.menu--anim ul li {
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
}

.menu ul li:first-child {
    -webkit-transition-delay: 0.3s;
    transition-delay: 0.3s;
}

.menu ul li:nth-child(2) {
    -webkit-transition-delay: 0.2s;
    transition-delay: 0.2s;
}

.menu ul li:nth-child(3) {
    -webkit-transition-delay: 0.1s;
    transition-delay: 0.1s;
}

.menu ul li a {
    display: block;
    outline: none;
}

.menu ul li .fa {
    font-size: 2.5em;
    display: block;
    margin: 0 auto;
    color: #5f656f;
}

.menu ul li span {
    font-weight: bold;
    font-size: 0.75em;
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.menu__handle {
    background: #2f3238;
    border: none;
    width: 30px;
    height: 24px;
    padding: 0;
    outline: none;
    position: absolute;
    top: 3px;
    right: 70px;
    z-index: 2000;
}

.menu__handle::before,
.menu__handle::after,
.menu__handle span {
    background: #5f656f;
}

.menu__handle::before,
.menu__handle::after {
    content: '';
    position: absolute;
    height: 2px;
    width: 100%;
    left: 0;
    top: 50%;
    -webkit-transform-origin: 50% 50%;
    transform-origin: 50% 50%;
    -webkit-transition: -webkit-transform 0.25s;
    transition: transform 0.25s;
}

.menu__handle span {
    position: absolute;
    width: 100%;
    height: 2px;
    left: 0;
    overflow: hidden;
    text-indent: 200%;
    -webkit-transition: opacity 0.25s;
    transition: opacity 0.25s;
}

.menu__handle::before {
    -webkit-transform: translate3d(0, -10px, 0);
    transform: translate3d(0, -10px, 0);
}

.menu__handle::after {
    -webkit-transform: translate3d(0, 10px, 0);
    transform: translate3d(0, 10px, 0);
}

.menu--open .menu__handle span {
    opacity: 0;
}

.menu--open .menu__handle::before {
    -webkit-transform: rotate3d(0, 0, 1, 45deg);
    transform: rotate3d(0, 0, 1, 45deg);
}

.menu--open .menu__handle::after {
    -webkit-transform: rotate3d(0, 0, 1, -45deg);
    transform: rotate3d(0, 0, 1, -45deg);
}

.morph-shape {
    position: absolute;
    width: 240px;
    height: 100%;
    top: 0;
    right: 0;
}

.morph-shape svg path {
    stroke: #5f656f;
    stroke-width: 5px;
}

@media screen and (max-width: 63em) {
    .main {
        padding: 0 2em;
        -webkit-transition: opacity 0.6s;
        transition: opacity 0.6s;
    }

    .menu {
        -webkit-transform: translate3d(-170px, 0, 0);
        transform: translate3d(-170px, 0, 0);
    }

    .menu.menu--open+.main {
        opacity: 0.05;
    }
}