/*
	A. Mini Reset 
*/

::before,
::after {
	content: "";
}

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

a {
	color: #2c3e50;
	text-decoration: none;
}

.btn {
	font-family: "brandon-grotesque",sans-serif;
	display: inline-block;
	text-transform: uppercase;
	border: 0px solid #2c3e50;
	margin-top: 130px;
	margin-left: 45px;
	font-size: 1em;
	font-weight: 700;
	text-align: center;
	-webkit-transition: color 0.3s, border-color 0.3s;
	-moz-transition: color 0.3s, border-color 0.3s;
	transition: color 0.3s, border-color 0.3s;
}

.btn:hover {
	border-color: #16a085;
	color: #16a085;
}


/* ///////////////////////////////////////////////////

HARDCOVER
Table of Contents

1. container
2. background & color
3. opening cover, back cover and pages
4. position, transform y transition
5. events
7. mini-reset

/////////////////////////////////////////////////////*/

/*
	1. container
*/

.book {
	top: 96px;
	left:0;
	position: relative;
	width: 318px; 
	height: 270px;
	-webkit-perspective: 1000px;
	-moz-perspective: 1000px;
	perspective: 1000px;
	-webkit-transform-style: preserve-3d;
	-moz-transform-style: preserve-3d;
	transform-style: preserve-3d;
}

/*
	2. background & color
*/

/* HARDCOVER FRONT */
.hardcover_front li:first-child {
	background-color: #eee;
	-webkit-backface-visibility: hidden;
	-moz-backface-visibility: hidden;
	backface-visibility: hidden;
}

/* reverse */
.hardcover_front li:last-child {
	background: #fff;
}

/* HARDCOVER BACK */
.hardcover_back li:first-child {
	background: #fff;
}

/* reverse */
.hardcover_back li:last-child {
	background: #fff;
}

.book_spine li:first-child {
	background: #fff;
}
.book_spine li:last-child {
	background: #fff;
}

/* thickness of cover */

.hardcover_front li:first-child:after,
.hardcover_front li:first-child:before,
.hardcover_front li:last-child:after,
.hardcover_front li:last-child:before,
.hardcover_back li:first-child:after,
.hardcover_back li:first-child:before,
.hardcover_back li:last-child:after,
.hardcover_back li:last-child:before,
.book_spine li:first-child:after,
.book_spine li:first-child:before,
.book_spine li:last-child:after,
.book_spine li:last-child:before {
	background: #fff;
}

/* page */

.page > li {
	background: -webkit-linear-gradient(left, #e1ddd8 0%, #fffbf6 100%);
	background: -moz-linear-gradient(left, #e1ddd8 0%, #fffbf6 100%);
	background: -ms-linear-gradient(left, #e1ddd8 0%, #fffbf6 100%);
	background: linear-gradient(left, #e1ddd8 0%, #fffbf6 100%);
	box-shadow: inset 0px -1px 2px rgba(50, 50, 50, 0.1), inset -1px 0px 1px rgba(150, 150, 150, 0.2);
	border-radius: 0px 5px 5px 0px;
}

/*
	3. opening cover, back cover and pages
*/

.hardcover_front {
	-webkit-transform: rotateY(-45deg) translateZ(-5px);
	-moz-transform: rotateY(-45deg) translateZ(-5px);
	transform: rotateY(-45deg) translateZ(-5px);
	z-index: 100;
}

.hardcover_back {
	-webkit-transform: rotateY(-47deg) translateZ(-36px);
	-moz-transform: rotateY(-47deg) translateZ(-36px);
	transform: rotateY(-47deg) translateZ(-36px);
}

.page li:nth-child(1) {
	-webkit-transform: rotateY(-39deg);
	-moz-transform: rotateY(-39deg);
	transform: rotateY(-39deg);
}

.page li:nth-child(2) {
	-webkit-transform: rotateY(-40deg);
	-moz-transform: rotateY(-40deg);
	transform: rotateY(-40deg);
}

.page li:nth-child(3) {
	-webkit-transform: rotateY(-41deg);
	-moz-transform: rotateY(-41deg);
	transform: rotateY(-41deg);
}

.page li:nth-child(4) {
	-webkit-transform: rotateY(-42deg);
	-moz-transform: rotateY(-42deg);
	transform: rotateY(-42deg);
}

.page li:nth-child(5) {
	-webkit-transform: rotateY(-44deg);
	-moz-transform: rotateY(-44deg);
	transform: rotateY(-44deg);
}

/*
	4. position, transform & transition
*/

.hardcover_front,
.hardcover_back,
.book_spine,
.hardcover_front li,
.hardcover_back li,
.book_spine li {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	-webkit-transform-style: preserve-3d;
	-moz-transform-style: preserve-3d;
	transform-style: preserve-3d;
}

.hardcover_front,
.hardcover_back {
	-webkit-transform-origin: 0% 100%;
	-moz-transform-origin: 0% 100%;
	transform-origin: 0% 100%;
}

.hardcover_front {
	-webkit-transition: all 0.8s ease, z-index 0.6s;
	-moz-transition: all 0.8s ease, z-index 0.6s;
	transition: all 0.8s ease, z-index 0.6s;
}

/* HARDCOVER front */
.hardcover_front li:first-child {
	cursor: default;
	-webkit-user-select: none;
	-moz-user-select: none;
	user-select: none;
	-webkit-transform: translateZ(0px);
	-moz-transform: translateZ(0px);
	transform: translateZ(0px);
}

.hardcover_front li:last-child {
	-webkit-transform: rotateY(180deg) translateZ(1px);
	-moz-transform: rotateY(180deg) translateZ(1px);
	transform: rotateY(180deg) translateZ(1px);
}

/* HARDCOVER back */
.hardcover_back li:first-child {
	-webkit-transform: translateZ(2px);
	-moz-transform: translateZ(2px);
	transform: translateZ(2px);
}

.hardcover_back li:last-child {
	-webkit-transform: translateZ(-2px);
	-moz-transform: translateZ(-2px);
	transform: translateZ(-2px);
}

/* thickness of cover */
.hardcover_front li:first-child:after,
.hardcover_front li:first-child:before,
.hardcover_front li:last-child:after,
.hardcover_front li:last-child:before,
.hardcover_back li:first-child:after,
.hardcover_back li:first-child:before,
.hardcover_back li:last-child:after,
.hardcover_back li:last-child:before,
.book_spine li:first-child:after,
.book_spine li:first-child:before,
.book_spine li:last-child:after,
.book_spine li:last-child:before {
	position: absolute;
	top: 0;
	left: 0;
}

/* HARDCOVER front */
.hardcover_front li:first-child:after,
.hardcover_front li:first-child:before {
	width: 0px;
	height: 100%;
}

.hardcover_front li:first-child:after {
	-webkit-transform: rotateY(90deg) translateZ(-2px) translateX(2px);
	-moz-transform: rotateY(90deg) translateZ(-2px) translateX(2px);
	transform: rotateY(90deg) translateZ(-2px) translateX(2px);
}

.hardcover_front li:first-child:before {
	-webkit-transform: rotateY(90deg) translateZ(158px) translateX(2px);
	-moz-transform: rotateY(90deg) translateZ(158px) translateX(2px);
	transform: rotateY(90deg) translateZ(158px) translateX(2px);
}

.hardcover_front li:last-child:after,
.hardcover_front li:last-child:before {
	width: 0px;
	height: 160px;
}

.hardcover_front li:last-child:after {
	-webkit-transform: rotateX(90deg) rotateZ(90deg) translateZ(80px) translateX(-2px) translateY(-78px);
	-moz-transform: rotateX(90deg) rotateZ(90deg) translateZ(80px) translateX(-2px) translateY(-78px);
	transform: rotateX(90deg) rotateZ(90deg) translateZ(80px) translateX(-2px) translateY(-78px);
}
.hardcover_front li:last-child:before {
	box-shadow: 0px 0px 30px 5px #333;
	-webkit-transform: rotateX(90deg) rotateZ(90deg) translateZ(-171px) translateX(-2px) translateY(-78px);
	-moz-transform: rotateX(90deg) rotateZ(90deg) translateZ(-171px) translateX(-2px) translateY(-78px);
	transform: rotateX(90deg) rotateZ(90deg) translateZ(-171px) translateX(-2px) translateY(-78px);
}

/* thickness of cover */

.hardcover_back li:first-child:after,
.hardcover_back li:first-child:before {
	width: 0px;
	height: 100%;
}

.hardcover_back li:first-child:after {
	-webkit-transform: rotateY(90deg) translateZ(-2px) translateX(2px);
	-moz-transform: rotateY(90deg) translateZ(-2px) translateX(2px);
	transform: rotateY(90deg) translateZ(-2px) translateX(2px);
}
.hardcover_back li:first-child:before {
	-webkit-transform: rotateY(90deg) translateZ(159px) translateX(3px);
	-moz-transform: rotateY(90deg) translateZ(159px) translateX(3px);
	transform: rotateY(90deg) translateZ(159px) translateX(3px);
}

.hardcover_back li:last-child:after,
.hardcover_back li:last-child:before {
	width: 0px;
	height: 160px;
}

.hardcover_back li:last-child:after {
	-webkit-transform: rotateX(90deg) rotateZ(90deg) translateZ(81px) translateX(3px) translateY(-78px);
	-moz-transform: rotateX(90deg) rotateZ(90deg) translateZ(81px) translateX(3px) translateY(-78px);
	transform: rotateX(90deg) rotateZ(90deg) translateZ(81px) translateX(3px) translateY(-78px);
}

.hardcover_back li:last-child:before {
	box-shadow: 10px -1px 80px 20px #666;
	-webkit-transform: rotateX(90deg) rotateZ(90deg) translateZ(-171px) translateX(2px) translateY(-78px);
	-moz-transform: rotateX(90deg) rotateZ(90deg) translateZ(-171px) translateX(2px) translateY(-78px);
	transform: rotateX(90deg) rotateZ(90deg) translateZ(-171px) translateX(2px) translateY(-78px);
}


.page,
.page > li {
	position: absolute;
	top: 0;
	left: 0;
	-webkit-transform-style: preserve-3d;
	-moz-transform-style: preserve-3d;
	transform-style: preserve-3d;
}

.page {
	width: 100%;
	height: 98%;
	top: 1%;
	left: 3%;
	z-index: 10;
}

.page > li {
	width: 100%;
	height: 100%;
	-webkit-transform-origin: left center;
	-moz-transform-origin: left center;
	transform-origin: left center;
	-webkit-transition-property: transform;
	-moz-transition-property: transform;
	transition-property: transform;
	-webkit-transition-timing-function: ease;
	-moz-transition-timing-function: ease;
	transition-timing-function: ease;
}

.page > li:nth-child(1) {
	-webkit-transition-duration: 0.6s;
	-moz-transition-duration: 0.6s;
	transition-duration: 0.6s;
}

.page > li:nth-child(2) {
	-webkit-transition-duration: 0.6s;
	-moz-transition-duration: 0.6s;
	transition-duration: 0.6s;
}

.page > li:nth-child(3) {
	-webkit-transition-duration: 0.4s;
	-moz-transition-duration: 0.4s;
	transition-duration: 0.4s;
}

.page > li:nth-child(4) {
	-webkit-transition-duration: 0.5s;
	-moz-transition-duration: 0.5s;
	transition-duration: 0.5s;
}

.page > li:nth-child(5) {
	-webkit-transition-duration: 0.6s;
	-moz-transition-duration: 0.6s;
	transition-duration: 0.6s;
}

/*
	5. events
*/

.book:hover > .hardcover_front {
	-webkit-transform: rotateY(-153deg) translateZ(0);
	-moz-transform: rotateY(-153deg) translateZ(0);
	transform: rotateY(-153deg) translateZ(0);
	z-index: 0;
}

.book:hover > .page li:nth-child(1) {
	-webkit-transform: rotateY(-39deg);
	-moz-transform: rotateY(-39deg);
	transform: rotateY(-39deg);
	-webkit-transition-duration: 1.5s;
	-moz-transition-duration: 1.5s;
	transition-duration: 1.5s;
}

.book:hover > .page li:nth-child(2) {
	-webkit-transform: rotateY(-40deg);
	-moz-transform: rotateY(-40deg);
	transform: rotateY(-40deg);
	-webkit-transition-duration: 1.8s;
	-moz-transition-duration: 1.8s;
	transition-duration: 1.8s;
}

.book:hover > .page li:nth-child(3) {
	-webkit-transform: rotateY(-120deg);
	-moz-transform: rotateY(-120deg);
	transform: rotateY(-120deg);
	-webkit-transition-duration: 1.5s;
	-moz-transition-duration: 1.5s;
	transition-duration: 1.5s;
}

.book:hover > .page li:nth-child(4) {
	-webkit-transform: rotateY(-132deg);
	-moz-transform: rotateY(-132deg);
	transform: rotateY(-132deg);
	-webkit-transition-duration: 1.2s;
	-moz-transition-duration: 1.2s;
	transition-duration: 1.2s;
}

.book:hover > .page li:nth-child(5) {
	-webkit-transform: rotateY(-141deg);
	-moz-transform: rotateY(-141deg);
	transform: rotateY(-141deg);
	-webkit-transition-duration: 0.9s;
	-moz-transition-duration: 0.9s;
	transition-duration: 0.9s;
}

/*
	6. Bonus
*/

/* cover CSS */

.coverDesign {
	position: absolute;
	top: 0;
	left: 0;
	bottom: 0;
	right: 0;
	overflow: hidden;
	-webkit-backface-visibility: hidden;
	-moz-backface-visibility: hidden;
	backface-visibility: hidden;
}

.coverDesign::after {
	background-image: -webkit-linear-gradient( -135deg, rgba(255, 255, 255, 0.45) 0%, transparent 100%);
	background-image: -moz-linear-gradient( -135deg, rgba(255, 255, 255, 0.45) 0%, transparent 100%);
	background-image: linear-gradient( -135deg, rgba(255, 255, 255, 0.45) 0%, transparent 100%);
	position: absolute;
	top: 0;
	left: 0;
	bottom: 0;
	right: 0;
}

/* Media Queries */
@media screen and (max-width: 37.8125em) {
	.align > li {
		width: 100%;
		min-height: 440px;
		height: auto;
		padding: 0;
		margin: 0 0 30px 0;
	}

	.book {
		margin: 0 auto;
	}

	figcaption {
		text-align: center;
		width: 320px;
		top: 250px;
		padding-left: 0;
		left: -80px;
		font-size: 90%;
	}
}