/* Main menu positionning */
.main-nav {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    bottom: 0;
    text-align: center;
	box-shadow: inset 0 0 0 2000px rgb(255 255 255 / 80%);
    background: url('../img/background.jpg');
	background-repeat: no-repeat;
	background-size: cover;
    opacity: 0;
    z-index: -1;
    visibility: hidden;
    transition: all .375s;
    height: 100vh;
}

.main-nav.is-open {
    opacity: 1;
    z-index: 100;
    visibility: visible;
}

/* Yellow band effect */
.main-nav::before {
	content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: -15px;
    background: transparent;
    transform-origin: 0 0;
    transform: skew(-14deg) translateX(-120%);
    transition: all .275s .1s;
}

.main-nav.is-open::before {
    transform: skew(-14deg) translateX(0);
}

/* Skewing effect on menu links */
.main-nav ul {
    display: inline-flex;
    flex-direction: column;
    height: 93%; /* Should be 100%, but we have a notice message :D */
    align-items: flex-end;
    justify-content: center;
    transform: translateX(-18%) skew(-16deg);
}

.main-nav li {
    display: block;
    margin: .5rem 0;
    text-align: right;
    transform: skew(16deg);
}

/* Apparition effect on links */
.main-nav a {
    opacity: 0;
    transform: translateY(-10px);
}

.main-nav.is-open a {
    opacity: 1;
    transform: translateY(0);
}
.main-nav li:nth-child(1) a {
	transition: all 275ms 175ms
}
.main-nav li:nth-child(2) a {
	transition: all 275ms 225ms
}
.main-nav li:nth-child(3) a {
	transition: all 275ms 275ms
}
.main-nav li:nth-child(4) a {
	transition: all 275ms 325ms
}
.main-nav li:nth-child(5) a {
	transition: all 275ms 375ms
}
.main-nav li:nth-child(6) a {
	transition: all 275ms 325ms
}
.main-nav li:nth-child(7) a {
	transition: all 275ms 375ms
}


/* Decoration */
.main-nav ul,
.main-nav li {
	list-style: none;
	padding: 0;
}
.main-nav a {
	display: block;
	padding: 12px 0;
	color: black;
	font-size: 1.6em;
	text-decoration: none;
	font-weight: bolder;
}

/* Burger Style: @see: https://codepen.io/CreativeJuiz/full/oMZNXy */
.open-main-nav {
	position: absolute;
	top: 15px;
	padding-top: 10px;
	right: 15px;
	z-index: 1000;
	background: none;
	border: 0;
	cursor: pointer;
}
.open-main-nav:focus {
	outline: none;
}

.open-main-nav.is-open {
	position: fixed;
}
.burger {
	position: relative;
	display: block;
	width: 28px;
	height: 4px;
	margin: 0 auto;
	background: #000000;
	transform: skew(5deg);
	transition: all .275s;
}

.burger:after,
.burger:before {
	content: '';
	display: block;
	height: 100%;
	background: #000000;
	transition: all .275s;
}

.burger:after {
	transform: translateY(-12px) translateX(-2px) skew(-20deg);
}

.burger:before {
	transform: translateY(-16px) skew(-10deg);
}

/* Toggle State part */
.is-open .burger {
	transform: skew(5deg) translateY(-8px) rotate(-45deg);
}

.is-open .burger:before {
	transform: translateY(0px) skew(-10deg) rotate(75deg);
}

.is-open .burger:after {
	transform: translateY(-12px) translateX(10px) skew(-20deg);
    opacity: 0;
}

/* MENU Text part */

.burger-text {
	display: block;
	font-size: .8rem;
	letter-spacing: .05em;
	margin-top: .5em;
	text-transform: uppercase;
	text-align: center;
	color: #000000;
	font-weight: bolder;
}

.device {
	position: relative;
	width: 345px;
	height: 600px;
	background: #FFF;
	border: 1px solid #EEE;
	border-radius: 3px;
	box-shadow: 0 0 0 10px rgba(0,0,0,.1);
}

/* Slow motion button */
[id="slowmo"] {
	position: absolute;
	top: 20px;
	right: 20px;
	padding: 10px;
	border: 0;
	font-size: 1rem;
	background: #707070;
	color: #5A3B5D;
	font-weight: bold;
	cursor: pointer;
	transition: all .275s;
}

[id="slowmo"] span {
	display: block;
	font-weight: normal;
}

[id="slowmo"]:hover,
[id="slowmo"]:focus {
	background: #5A3B5D;
	color: #707070;
}

[id="slowmo"].is-slowmo span:after {
	content: 'Activated';
	display: block;
	font-weight: bold;
}

/* When slowmotion is activated */

.is-slowmo + .device .open-main-nav .burger,
.is-slowmo + .device .open-main-nav .burger:before,
.is-slowmo + .device .open-main-nav .burger:after,
.is-slowmo + .device .main-nav,
.is-slowmo + .device .main-nav::before,
.is-slowmo + .device .main-nav a {
	transition-duration: 3s;
}
.is-slowmo + .device .main-nav li:nth-child(1) a {
	transition-delay: 1750ms
}
.is-slowmo + .device .main-nav li:nth-child(2) a {
	transition-delay: 2250ms
}
.is-slowmo + .device .main-nav li:nth-child(3) a {
	transition-delay: 2750ms
}
.is-slowmo + .device .main-nav li:nth-child(4) a {
	transition-delay: 3250ms
}
.is-slowmo + .device .main-nav li:nth-child(5) a {
	transition-delay: 3750ms
}

/* Notice */
.notice {
	position: absolute;
	bottom: -15px;
	left: 0; right: 0;
	padding: 20px;
	background: #F2F2F2;
	color: #5A3B5D;
	font-size: 14px;
	font-weight: 400;
	line-height: 1.5;
	z-index: 100;
	text-align: center;
}
.notice strong {
	font-weight: 700;
}
.notice a {
	padding: 2px 3px;
	background: #707070;
	text-decoration: none;
}