@font-face {
	font-family: 'SF Pro Display';
	font-style: normal;
	font-weight: 100;
	src: url("../assets/fonts/sf-pro-display_ultralight.woff") format("woff");
}

@font-face {
	font-family: 'Helvetica Neue UltraLight';
	font-style: normal;
	font-weight: 100;
	src: url("../assets/fonts/helveticaneue-ultralight-webfont.woff") format("woff");
}

.portfolio-grid {
	box-sizing: border-box;
	margin: 0;
	padding: 1rem;
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(17rem, 0.2fr));
	grid-gap: 1.5rem;
}

@media(max-width: 540px) {
	.portfolio-grid {
		grid-template-columns: repeat(2, 1fr);
	}
}

.portfolio-cell {
	margin: 0;
	padding: 0;
	border: solid 1px transparent;
	border-radius: 0.7rem;
	transition: text-shadow 0.15s ease-out, border 0.15s ease-out, box-shadow 0.15s ease-out, background-color 0.15s ease-out;
	cursor: pointer;
}

.portfolio-cell:hover {
	text-shadow: 0 0 3px #428dce;
	border: solid 1px #7bbdf59c;
	box-shadow: 0 0 5px 2px #27435abd, inset 0 0 5px 1px #7bc2f570;
	background-color: rgba(0, 36, 255, 0.075);
	font-min-size: 70%;
	/*transition: text-shadow 0.15s ease-out, border 0.15s ease-out, box-shadow 0.15s ease-out, background-color 0.15s ease-out;*/
}

.portfolio-frame {
	position: relative;
	margin: 5% 0 2%;
	padding: 0;
}

.portfolio-cover {
	position: relative;
	display: block;
	left: 5%;
	width: 90%;
	border-radius: 0.4rem;
	box-shadow: #00000070 2px 2px 6px 2px;
}

.portfolio-label {
	font-family: 'Helvetica Neue UltraLight', sans-serif;
	color: #c3c3c3;
	font-size: 110%;
	letter-spacing: 0.1rem;
	text-align: center;
	text-transform: uppercase;
	margin-top: 5%;
	margin-bottom: 5%;
}

.book-frame {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	margin: 0;
	padding: 0;
	overflow-x: hidden;
	z-index: 9999;
}

.book-page {
	position: absolute;
	opacity: 0.9;
	cursor: ew-resize;
	transform: translateX(-50%);
	transition: border-radius 0.5s cubic-bezier(.26,.93,.63,1), top 0.5s cubic-bezier(.26,.93,.63,1), left 0.5s cubic-bezier(.26,.93,.63,1), width 0.5s cubic-bezier(.26,.93,.63,1), height 0.5s cubic-bezier(.26,.93,.63,1);
}

/* Because of a damn Chrome/Blink bug, we cannot use transition for that… */

@keyframes book-frame-fade-in {
	to {
		background-color: #182752d1;
	}
}

.book-frame-fade-in {
	animation-name: book-frame-fade-in;
	animation-duration: 0.5s;
	animation-timing-function: ease-out;
	animation-fill-mode: forwards;
}

@keyframes book-frame-fade-out {
	from {
		background-color: #182752d1;
	}
	to {
		background-color: #00000000;
	}
}

.book-frame-fade-out {
	animation-name: book-frame-fade-out;
	animation-duration: 0.5s;
	animation-timing-function: ease-out;
}

.progress-container {
	position: absolute;
	flex-direction: column;
	display: flex;
	align-items: center;
	justify-content: center;
	margin: 0;
	left: 50%;
	top: 100%;
	height: 8%;
	opacity: 1.0;
	transform: translate(-50%, -100%);
	transition: opacity 2.5s ease;
}

.progress {
	background-color: #d8d8d8;
	border-radius: 20px;
	position: relative;
	margin: 15px 0;
	height: 27px;
	width: 38%;
}

.progress-done {
	background: linear-gradient(to left, #F2709C, #FF9472);
	box-shadow: 0 3px 3px -5px #F2709C, 0 2px 5px #F2709C;
	font-family: sans-serif;
	font-weight: 300;
	font-size: 120%;
	border-radius: 20px;
	color: #fff;
	display: flex;
	align-items: center;
	justify-content: center;
	height: 100%;
	width: 0;
	opacity: 0;
	transition: width 0.3s ease;
}

.spinner {
	display: block;
	position: absolute;
	width: 60px;
	height: 50px;
	transform: translateX(-50%) translateY(-50%);
}

.spinner div {
	transform-origin: 30px 25px;
	animation: spinner-animation 1.2s linear infinite;
}

.spinner div:after {
	content: " ";
	display: block;
	position: absolute;
	top: 3px;
	left: 28px;
	width: 4px;
	height: 14px;
	border-radius: 20%;
	background: #ffffff90;
	box-shadow: black 0 0 5px 0px;
}

.spinner div:nth-child(1) {
	transform: rotate(0deg);
	animation-delay: -1.1s;
}

.spinner div:nth-child(2) {
	transform: rotate(30deg);
	animation-delay: -1s;
}

.spinner div:nth-child(3) {
	transform: rotate(60deg);
	animation-delay: -0.9s;
}

.spinner div:nth-child(4) {
	transform: rotate(90deg);
	animation-delay: -0.8s;
}

.spinner div:nth-child(5) {
	transform: rotate(120deg);
	animation-delay: -0.7s;
}

.spinner div:nth-child(6) {
	transform: rotate(150deg);
	animation-delay: -0.6s;
}

.spinner div:nth-child(7) {
	transform: rotate(180deg);
	animation-delay: -0.5s;
}

.spinner div:nth-child(8) {
	transform: rotate(210deg);
	animation-delay: -0.4s;
}

.spinner div:nth-child(9) {
	transform: rotate(240deg);
	animation-delay: -0.3s;
}

.spinner div:nth-child(10) {
	transform: rotate(270deg);
	animation-delay: -0.2s;
}

.spinner div:nth-child(11) {
	transform: rotate(300deg);
	animation-delay: -0.1s;
}

.spinner div:nth-child(12) {
	transform: rotate(330deg);
	animation-delay: 0s;
}

@keyframes spinner-animation {
	from {
		opacity: 1.0;
	}

	to {
		opacity: 0.0;
	}
}

.page-nav-frame {
	position: absolute;
	margin: 0;
	left: 50%;
	top: 100%;
	height: 8%;
	transform: translate(-50%, -100%);
	transition: opacity 0.5s ease;
}

.page-nav-button {
	position: absolute;
	top: 50%;
	background-color: white;
	opacity: 0.5;
	border-radius: 50%;
	transform: translateY(-50%);
	transition: opacity 0.2s ease-out, background-color 0.2s ease-out, box-shadow 0.2s ease-out, transform 0.2s ease-out;
}

.page-nav-button img {
	position: absolute;
	width: 60%;
	top: 50%;
	transform: translate(-50%, -50%);
}

.page-nav-button:hover {
	opacity: 0.75;
	background-color: #c3ecff;
	box-shadow: #00000075 0 0 15px 6px;
	transform: translateY(-50%) scale(1.1);
	transition: opacity 0.2s ease-out, background-color 0.2s ease-out, box-shadow 0.2s ease-out, transform 0.2s ease-out;
}

.mobile-page-nav-button {
	position: absolute;
	top: 40%;
	background-color: white;
	opacity: 0.5;
	border-radius: 50%;
	transform: translateY(-50%);
	box-shadow: #00000075 0 0 15px 6px;
}

.mobile-page-nav-button img {
	position: absolute;
	width: 60%;
	top: 50%;
	opacity: 0.5;
	transform: translate(-50%, -50%);
}

.book-close-button {
	position: absolute;
	top: 0;
	left: 100%;
	background-color: red;
	opacity: 0.85;
	border-radius: 50%;
	color: white;
	margin-top: 1%;
	margin-left: -1%;
	transform: translateX(-100%);
	transition: opacity 0.2s ease-out, background-color 0.2s ease-out, box-shadow 0.2s ease-out, transform 0.2s ease-out;
}

.book-close-button img {
	position: absolute;
	width: 50%;
	height: 50%;
	left: 50%;
	top: 50%;
	margin: 0;
	transform: translate(-50%, -50%);
}

.book-close-button:hover {
	opacity: 1;
	box-shadow: #00000075 0 0 15px 6px;
	transform: translateX(-100%) scale(1.1);
	transition: opacity 0.2s ease-out, background-color 0.2s ease-out, box-shadow 0.2s ease-out, transform 0.2s ease-out;
}