/* :::::: toggle button :::::: */
#navTgl {
	display: none;
}
label {
	cursor: pointer;
	position: fixed;
	top: 0;
	left: 0;
}
.open {
	z-index: 2;
	width: 48px;
	height: 48px;
	margin:15px 0 0 20px;
	background: gray;
	transition: background .6s, transform .6s cubic-bezier(0.215, 0.61, 0.355, 1);
}
.open::before,
.open::after {
	content: "";
}
.open span,
.open::before,
.open::after {
	content: "";
	position: absolute;
	top: calc(50% - 1px);
	left: 30%;
	width: 40%;
	border-bottom: 2px solid white;
	transition: transform .6s cubic-bezier(0.215, 0.61, 0.355, 1);
}
.open::before {
	transform: translateY(-8px);
}
.open::after {
	transform: translateY(8px);
}
.close {
	z-index: 1;
	width: 100%;
	height: 100%;
	pointer-events: none;
	transition: background .6s;
}
#navTgl:checked + .open {
	background: indianRed;
	transform: translateX(250px);
}
#navTgl:checked + .open span {
	transform: scaleX(0);
}
#navTgl:checked + .open::before {
	transform: rotate(45deg);
}
#navTgl:checked + .open::after {
	transform: rotate(-45deg);
}
#navTgl:checked ~ .close {
	pointer-events: auto;
	background: rgba(0,0,0,.3);
}

/* :::::: drawer menu :::::: */
.menu {
	z-index: 1;
	position: fixed;
	overflow: auto;
	top: 0;
	left: 0;
	width: 250px;
	height: 100%;
	margin: 0;
	padding: 10px;
	box-sizing: border-box;
	background: rgba(0,0,0,.6);
	transform: translateX(-100%);
	transition: transform .6s cubic-bezier(0.215, 0.61, 0.355, 1);
}
.menu h3,
.menu a {
	color: white;
}
.menu h3 {
	text-align: center;
}
.menu ul {
	margin: 0;
	padding: 0;
}
.menu li {
	font-size: .8em;
	line-height: 1.4;
}
.menu li:not(:first-child) {
	border-top: 1px solid rgba(255,255,255,.6);
}
.menu a {
	display: block;
	padding: 1em 2em;
	text-decoration: inherit;
	transition: background .6s;
}
.menu a:hover {
	background: black;
}
#navTgl:checked ~ .menu {
	transform: none;
}