/* Hamburger button cf: http://callmenick.com/post/animating-css-only-hamburger-menu-icons */
.c-hamburger {
    display: inline-block;
    position: relative;
    overflow: hidden;
    padding: 0;
    width: 30px;
    height: 50px;
    font-size: 0;
    text-indent: -9999px;
    appearance: none;
    box-shadow: none;
    border-radius: none;
    border: none;
    cursor: pointer;
    transition: background 0.3s;
    z-index: 1010;
    padding-top: 1.2rem;
}


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

.c-hamburger span {
    display: block;
    position: absolute;
    xtop: 10px;
    left: 0px;
    right: 0px;
    height: 2px;
    background-color: #20232b;
}

.c-hamburger span::before,
.c-hamburger span::after {
    position: absolute;
    display: block;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #20232b;
    content: "";
}

.c-hamburger span::before {
    top: -7px;
}

.c-hamburger span::after {
    bottom: -7px;
}

.c-hamburger--htx {
    background: 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 {
    xposition: fixed;
    background: transparent;
}

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

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

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

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


/* Overlay style */
.overlay {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: rgba(32, 35, 43, 0.95);
    z-index: 1000;
}

/* Overlay closing cross */
.overlay .overlay-close {
    width: 80px;
    height: 80px;
    position: absolute;
    right: 20px;
    top: 20px;
    overflow: hidden;
    border: none;
    background: url(../img/cross.png) no-repeat center center;
    text-indent: 200%;
    color: transparent;
    outline: none;
    z-index: 100;
}


/* Menu style */
.overlay nav {
    text-align: center;
    position: relative;
    top: 40%;
    height: 60%;
    font-size: 54px;
    -webkit-transform: translateY(-50%);
    transform: translateY(-50%);
}

.overlay ul {
    list-style: none;
    padding: 0;
    margin: 0 auto;
    display: inline-block;
    height: 100%;
    position: relative;
}

.overlay ul li {
    display: block;
    /*	height: 20%;*/
    height: calc(100% / 20);
    min-height: 54px;
}

.overlay ul li a {
    font-weight: 300;
    display: block;
    font-size: 32px;
    color: #fff;
    -webkit-transition: color 0.2s;
    transition: color 0.2s;
}

.overlay ul li a:hover,
.overlay ul li a:focus {
    color: #01b2fe; /*#e3fcb1*/
}

/* Effects */
.overlay-hugeinc {
    opacity: 0;
    visibility: hidden;
    -webkit-transition: opacity 0.5s, visibility 0s 0.5s;
    transition: opacity 0.5s, visibility 0s 0.5s;
}

.overlay-hugeinc.open {
    opacity: 1;
    visibility: visible;
    -webkit-transition: opacity 0.5s;
    transition: opacity 0.5s;
}

.overlay-hugeinc nav {
    -webkit-perspective: 1200px;
    perspective: 1200px;
}

.overlay-hugeinc nav ul {
    opacity: 0.4;
    -webkit-transform: translateY(-25%) rotateX(35deg);
    transform: translateY(-25%) rotateX(35deg);
    -webkit-transition: -webkit-transform 0.5s, opacity 0.5s;
    transition: transform 0.5s, opacity 0.5s;
}

.overlay-hugeinc.open nav ul {
    opacity: 1;
    -webkit-transform: rotateX(0deg);
    transform: rotateX(0deg);
}

.overlay-hugeinc.close nav ul {
    -webkit-transform: translateY(25%) rotateX(-35deg);
    transform: translateY(25%) rotateX(-35deg);
}

@media screen and (max-height: 30.5em) {
    .overlay nav {
        height: 70%;
        font-size: 34px;
    }

    .overlay ul li {
        min-height: 34px;
    }
}


.zmenu0 {
    line-height: 50px;
    text-align: center;
}