*,
*::after,
*::before {
	-webkit-box-sizing: border-box;
	box-sizing: border-box;
}

body {
	font-family: 'Space Mono', monospace;
	color: #1c2123;
	background: #cbeeff;
}

a {
	text-decoration: none;
	color: #555;
	outline: none;
}

a:hover,
a:focus {
	color: #333;
}

.hidden {
	position: absolute;
	overflow: hidden;
	width: 0;
	height: 0;
	pointer-events: none;
}

/* Icons */
.icon {
	display: block;
	width: 1.5em;
	height: 1.5em;
	margin: 0 auto;
	fill: currentColor;
	pointer-events: none;
}

.icon--arrow-up {
	transform: rotate3d(0,0,1,90deg);
}

.icon--arrow-down {
	transform: rotate3d(0,0,1,-90deg);
}

/* Page Loader */
.js .loading::before {
	content: '';
	position: fixed;
	z-index: 100;
	top: 0;
	left: 0;
	display: flex;
	width: 100%;
	height: 100%;
	text-align: center;
	color: #fff;
	background: rgba(206, 209, 223, 0.9);
}

.js .loading::after {
	content: '';
	position: fixed;
	z-index: 10000;
	top: 50%;
	left: 50%;
	width: 54px;
	height: 70px;
	margin: -35px 0 0 -27px;
	pointer-events: none;
	border: 4px solid #fff;
	transition: opacity 0.3s;
	animation: loaderAnim 0.8s ease-out infinite alternate forwards;
}

@keyframes loaderAnim {
	to {
		opacity: 0.3;
		transform: translate3d(0,-100px,0);
	}
}

/* Header */
.codrops-header {
	position: relative;
	display: flex;
	flex-direction: row;
	flex-wrap: wrap;
	align-items: center;
	width: 100%;
	padding: 2em 2em 2em 1em;
}

.codrops-header__title {
	font-size: 2em;
	font-weight: normal;
	margin: 0;
	padding: 0;
}

.github {
	margin: 0 0 0 auto;
}

.intro {
	position: absolute;
	z-index: -1;
	top: 0;
	left: 50%;
	pointer-events: none;
}

.intro__img {
	opacity: 0.8;
}

.intro__text {
	font-size: 1.25em;
	font-style: italic;
	position: absolute;
	bottom: 2em;
	left: 35%;
	width: 150%;
	max-width: 33vw;
	margin: 0;
}

/* Top Navigation Style */
.codrops-links {
	position: relative;
	display: flex;
	justify-content: center;
	margin: 0 1em 0;
	text-align: center;
	white-space: nowrap;
}

.codrops-links::after {
	content: '';
	position: absolute;
	top: 15%;
	left: 50%;
	width: 1px;
	height: 70%;
	opacity: 0.7;
	background: currentColor;
	-webkit-transform: rotate3d(0, 0, 1, 22.5deg);
	transform: rotate3d(0, 0, 1, 22.5deg);
}

.codrops-icon {
	display: inline-block;
	margin: 0.5em;
	padding: 0.5em;
}

/* Grid */
.grid {
	display: flex;
	flex-wrap: wrap;
	justify-content: flex-start;
	align-items: flex-start;
	margin: 0 auto;
	padding: 7em 1em;
}

.codrops-header,
.grid {
	max-width: 1300px;
	margin: 0 auto;
}

.grid__item {
	display: flex;
	width: 50%;
	padding: 1vw;
}

.grid__item:nth-child(even):not(.grid__item--center) {
	justify-content: flex-end;
}

.grid__item--center {
	justify-content: space-around;
}

.grid__link {
	position: relative;
	display: block;
	width: 70%;
	max-width: 400px;
	padding: 9vw 3vw;
	background: #fff;
}

.grid__link--offset {
	margin-top: 35vh;
}

.grid__link--offset-neg {
	margin-top: -10vh;
}

.grid__link:focus {
	outline: none;
}

.grid__link:hover::before {
	content: 'Try me';
	position: absolute;
	top: 20px;
	left: 20px;
	display: flex;
	justify-content: center;
	align-items: center;
	width: 100%;
	height: 100%;
	background: linear-gradient(rgba(237,116,153,0.5), rgba(237,116,153,0.5)), url(../img/hover.gif);
	background-position: 50% 50%;
	background-size: cover;
}

.grid__link--alt:hover::before {
	background-image: linear-gradient(rgba(124,252,136,0.5), rgba(124,252,136,0.5)), url(../img/hover2.gif);
}

.grid__img {
	display: block;
	max-width: 100%;
	margin: 0 auto;
}

.grid__item-name {
	font-size: 2em;
	font-weight: normal;
	line-height: 1;
	position: absolute;
	top: 0;
	margin: 1em 0 0 0;
}

.grid__item-name::after,
.nav__item-title::after {
	content: '~~~';
	position: absolute;
	top: 100%;
	left: 0.1em;
}

.grid__item:nth-child(even) .grid__item-name::after {
	right: 0.1em;
	left: auto;
}

.grid__item:nth-child(odd) .grid__item-name {
	left: 90%;
}

.grid__item:nth-child(even) .grid__item-name {
	right: 90%;
}

.grid__item-desc {
	position: absolute;
	top: 100%;
	width: 60%;
	min-width: 175px;
	margin-top: -2em;
	padding: 1.5em;
	border: 5px solid #1c2123;
	background: #7bd4ff;
}

.grid__fill {
	padding: 3em;
	background: #ffadc9;
}

/* Vision */
.vision {
	position: fixed;
	top: 0;
	left: 0;
	overflow: hidden;
	width: 100%;
	height: 100vh;
	pointer-events: none;
	z-index: 100;
}

.vision--loaded {
	pointer-events: auto;
}

.vision__deco {
	position: absolute;
	z-index: 100;
	top: 0;
	left: 0;
	display: flex;
	align-items: center;
	width: 100%;
	height: 100%;
	pointer-events: none;
}

.vision__loader {
	font-size: 2.5em;
	position: relative;
	margin-top: -100px;
	opacity: 0;
	color: #ff9abd;
}

.vision--loading .vision__loader {
	opacity: 1;
	animation: loadingAnim 1s steps(5, end) alternate infinite;
}

@keyframes loadingAnim {
	100% {
		color: #5defff;
		transform: translate3d(0,100px,0);
	}
}

.vision__swoosh {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	opacity: 0;
	background: #fff;
}

.vision--swooshIn .vision__swoosh {
	opacity: 1;
	transform-origin: 50% 100%;
	animation: swooshShow 0.4s forwards;
}

@keyframes swooshShow {
	from {
		transform: scale3d(1,0,1);
	}
	to {
		transform: scale3d(1,1,1);
	}
}

.vision--swooshOut .vision__swoosh {
	opacity: 1;
	transform-origin: 50% 0%;
	animation: swooshHide 0.4s forwards;
}

@keyframes swooshHide {
	from {
		transform: scale3d(1,1,1);
	}
	to {
		transform: scale3d(1,0,1);
	}
}

.vision__background {
	position: absolute;
	top: -10%;
	left: -10%;
	width: 120%;
	height: 120%;
	pointer-events: none;
	transition: transform 0.2s ease-out;
}

.vision__background-img {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	opacity: 0;
	background-size: cover;
}

.vision__background-img--beach {
	background-image: url(../img/image1.jpg);
}

.vision__background-img--mountains {
	background-image: url(../img/image2.jpg);
}

.vision__background-img--city {
	background-image: url(../img/image3.jpg);
}

.vision--loaded .vision__background-img--current {
	opacity: 1;
}

.vision__flash,
.vision__items,
.vision__item,
.vision__overlay {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	pointer-events: none;
}

.vision__overlay {
	perspective: 2000px;
}

.vision__flash {
	z-index: 1000;
	pointer-events: none;
	opacity: 0;
	background: #fff;
}

.vision__flash--animIn {
	pointer-events: auto;
	animation: animOpacityIn 0.4s forwards;
}

.vision__flash--animOut {
	pointer-events: auto;
	animation: animOpacityOut 0.6s forwards;
}

.vision__overlay-bg {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	opacity: 0;
}

.vision__overlay-bg--1 {
	background: rgba(111,79,117,0.4);
}

.vision__overlay-bg--2 {
	background: rgba(236,118,156,0.3);
}

.vision__overlay-bg--3 {
	background: rgba(165,129,100,0.4);
}

.vision__overlay-bg--4 {
	background: rgba(250,230,65,0.3);
}

.vision__overlay-bg--5 {
	background: rgba(159,150,138,0.6);
}

.vision__overlay-bg--6 {
	background: linear-gradient(to bottom, rgba(50,65,46,1), rgba(139,153,123,0.35));
}

.vision__overlay-glasses {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	opacity: 0;
	transform-origin: 50% 100%;
}

.vision__overlay-img {
	position: relative;
	width: 100%;
	height: 100%;
}

/* Animations for overlay container, overlay bg and glasses SVG */

.vision__overlay--animIn .vision__overlay-bg {
	animation: animOpacityIn 0.3s 0.25s ease-out forwards;
}

@keyframes animOpacityIn {
	from {
		opacity: 0;
	}
	to {
		opacity: 1;
	}
}

.vision__overlay--animIn .vision__overlay-glasses {
	opacity: 1;
	animation: animIn 0.3s ease-out forwards;
}

@keyframes animIn {
	from {
		transform: rotate3d(1,0,0,65deg);
	}
	to {
		transform: rotate3d(1,0,0,0deg);
	}
}

.vision__overlay--animIn .vision__overlay-img {
	animation: animOpacityOutDelay 0.55s ease-out forwards, animZoom 0.6s ease-out forwards;
}

@keyframes animOpacityOutDelay {
	0%,
	45% {
		opacity: 1;
	}
	100% {
		opacity: 0;
	}
}

@keyframes animZoom {
	to {
		transform: scale3d(1.75,1.75,1);
	}
}

.vision__overlay--animOut .vision__overlay-bg,
.vision__overlay--hide .vision__overlay-bg {
	opacity: 1;
}

.vision__overlay--animOut .vision__overlay-bg,
.vision__overlay--hide .vision__overlay-bg {
	animation: animOpacityOut 0.3s ease forwards;
}

@keyframes animOpacityOut {
	from {
		opacity: 1;
	}
	to {
		opacity: 0;
	}
}

.vision__overlay--animCoolIn .vision__overlay-glasses {
	opacity: 1;
}

.vision__overlay--animCoolIn .vision__overlay-img {
	animation: animOpacityIn 0.15s ease-out forwards, animMove 0.3s cubic-bezier(0.2,1,0.7,1) forwards;
}

@keyframes animMove {
	from {
		transform: translate3d(0,0,0) scale3d(1.75,1.75,1);
	}
	to {
		transform: translate3d(0,70%,0) scale3d(1.75,1.75,1);
	}
}

.vision__overlay--animCoolOut .vision__overlay-glasses {
	opacity: 1;
}

.vision__overlay--animCoolOut .vision__overlay-img {
	animation: animOpacityOutDelay 0.55s ease-out forwards, animMoveUp 0.6s cubic-bezier(0.2,1,0.7,1) forwards;
}

@keyframes animMoveUp {
	from {
		transform: translate3d(0,70%,0) scale3d(1.75,1.75,1);
	}
	to {
		transform: translate3d(0,0,0) scale3d(1.75,1.75,1);
	}
}

/* Navigation with thumbnail preview and title */
.nav {
	position: absolute;
	bottom: 0;
	left: 0;
	margin: 3em;
	pointer-events: none;
	opacity: 0;
}

/* "Fake" background for the thumbs and the titles */
.nav::before,
.nav::after {
	content: '';
	position: absolute;
	top: 0;
	height: 100%;
	pointer-events: none;
	border: 3px solid;
	background: #fff;
}

.nav::before {
	left: 0;
	width: 100px;
}

.nav::after {
	right: 0;
	width: 300px;
}

.vision--loaded .nav {
	opacity: 1;
}

.nav__items {
	position: relative;
	z-index: 5;
	overflow: hidden;
	width: calc(500px - 6px);
	height: calc(100px - 6px);
	margin: 3px;
	pointer-events: none;
}

.nav__item {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
}

.nav__item-slide {
	position: absolute;
	top: 0;
	display: flex;
	align-items: center;
	height: 100%;
	padding: 1em;
	opacity: 0;
}

.nav__item--current .nav__item-slide {
	opacity: 1;
}

.nav__item-slide--thumb {
	left: 0;
	width: 94px;
}

.nav__item-slide--title {
	right: 0;
	width: 294px;
}

.nav__item-img {
	position: relative;
	display: block;
	max-width: 100%;
	flex: none;
}

.nav__item-title {
	font-size: 2em;
	font-weight: normal;
	line-height: 1;
	position: relative;
	margin: 0 0 1em;
}

.nav__arrows {
	position: absolute;
	z-index: 10;
	top: 0;
	left: 100px;
	display: flex;
	flex-direction: column;
	justify-content: space-between;
	align-items: center;
	flex: none;
	height: 100%;
	pointer-events: auto;
}

.nav__item--animInDown .nav__item-slide,
.nav__item--animInUp .nav__item-slide,
.nav__item--animOutDown .nav__item-slide,
.nav__item--animOutUp .nav__item-slide {
	animation-duration: 0.9s;
	animation-timing-function: cubic-bezier(0.2,1,0.3,1);

	animation-fill-mode: forwards;
}

.nav__item-slide--title {
	animation-delay: 0.075s;
}

.nav__item--animInDown .nav__item-slide {
	animation-name: animInDownItem;
}

@keyframes animInDownItem {
	from {
		opacity: 1; 
		transform: translate3d(0,-100%,0);
	}
	to {
		opacity: 1; 
		transform: translate3d(0,0,0);
	}
}

.nav__item--animInUp .nav__item-slide {
	animation-name: animInUpItem;
}

@keyframes animInUpItem {
	from {
		opacity: 1; 
		transform: translate3d(0,100%,0);
	}
	to {
		opacity: 1; 
		transform: translate3d(0,0,0);
	}
}

.nav__item--animOutDown .nav__item-slide {
	animation-name: animOutDownItem;
}

@keyframes animOutDownItem {
	from {
		opacity: 1; 
		transform: translate3d(0,0,0);
	}
	to {
		opacity: 1; 
		transform: translate3d(0,100%,0);
	}
}

.nav__item--animOutUp .nav__item-slide {
	animation-name: animOutUpItem;
}

@keyframes animOutUpItem {
	from {
		opacity: 1; 
		transform: translate3d(0,0,0);
	}
	to {
		opacity: 1; 
		transform: translate3d(0,-100%,0);
	}
}

.modes {
	position: absolute;
	top: 0;
	left: 0;
	padding: 3em;
	opacity: 0;
}

.vision--loaded .modes {
	pointer-events: auto;
	opacity: 1;
}

.mode.mode--current {
	background: #fff;
}

.btn {
	font-size: 1em;
	display: inline-block;
	margin: 0;
	padding: 0.75em;
	cursor: pointer;
	border: 3px solid #1c2123;
	background: #7bd4ff;
}

.vision--loaded .btn {
	pointer-events: auto;
}

.btn:focus {
	outline: none;
}

.btn:not(.btn--hide):hover,
.btn:not(.btn--nav):not(.btn--hide):focus {
	background: #fff;
}

.btn--nav {
	height: 50%;
	border-width: 3px 3px 0 0;
}

.btn--next {
	border-bottom-width: 3px;
}

.btn--grid {
	position: absolute;
	top: 0;
	right: 0;
	margin: 3em;
	pointer-events: none;
	opacity: 0;
}

.vision--loaded .btn--grid {
	pointer-events: auto;
	opacity: 1;
}

.btn--hide {
	position: absolute;
	z-index: 10;
	top: 0;
	left: 0;
	width: 100px;
	height: 100%;
	pointer-events: auto;
	opacity: 0;
	background-color: #fff;
	background-image: url(../img/hide.svg), url(../img/glasses.svg);
	background-repeat: no-repeat;
	background-position: 50% 50%;
	background-size: 65%;
}

.btn--hide:hover,
.btn--hide.btn--active {
	opacity: 1;
}

.btn--hide.btn--active {
	background-image: url(../img/glasses.svg);
}

.becool {
	position: absolute;
	bottom: 0;
	left: calc(50% - 4.5em);
	display: flex;
	align-items: center;
	width: 9em;
	text-align: center;
	pointer-events: auto;
	opacity: 0;
}

.vision--loaded .becool {
	opacity: 1;
}

.becool__text {
	font-size: 0.85em;
	font-weight: bold;
	position: relative;
	display: inline-block;
	padding: 1em 0.5em 0.5em;
	text-transform: uppercase;
	color: #fff;
	border-bottom: 0;
}

.icon--becool {
	display: inline-block;
}

.icon--becool-c1 {
	color: #5defff;
}

.icon--becool-c2 {
	color: #ff9abd;
}

.footer {
	margin: 0 0 0 25vw;
	padding: 3em;
	color: #fff;
	background: #1c2123;
}

.footer a {
	color: #7bd4ff;
}

.footer a:hover,
.footer a:focus {
	color: #ffadc9;
}

.columns {
	display: flex;
}

.column {
	width: 33.33%;
	padding: 0 1em;
}

.block-link {
	display: block;
}

@media screen and (max-width: 40em) {
	.codrops-header {
		display: block;
		padding: 1em;
		text-align: center;
	}
	.intro {
		position: relative;
		left: auto;
		margin: 0 auto;
		padding: 2em 0 1em;
	}
	.intro__img {
		max-width: 100%;
	}
	.intro__text {
		position: relative;
		bottom: auto;
		left: 0;
		width: 100%;
		max-width: 360px;
		margin: 0 auto;
		padding: 1em;
	}
	.grid {
		display: block;
		max-width: 360px;
		margin: 0 auto;
		padding: 1em 0;
	}
	.grid__item,
	.grid__link {
		width: 100%;
	}
	.grid__item {
		padding: 1em;
	}
	.grid__link {
		max-width: none;
		padding: 7vw;
	}
	.grid__link:hover::before {
		top: 0;
		left: 0;
		align-items: flex-start;
		padding: 2em;
	}
	.grid__link--offset,
	.grid__link--offset-neg {
		margin-top: 0;
	}
	.grid__item-name,
	.grid__item:nth-child(odd) .grid__item-name,
	.grid__item:nth-child(even) .grid__item-name,
	.grid__item-desc {
		position: relative;
		top: auto;
		right: auto;
		left: auto;
		width: 100%;
		margin: 1.5em auto 0;
		text-align: center;
	}
	.grid__item-name::after {
		left: 0;
		width: 100%;
	}
	.grid__item-desc {
		margin-top: 2.5em;
	}
	.footer {
		margin: 0;
	}
	.columns {
		display: block;
	}
	.column {
		width: 100%;
	}
	.nav {
		margin: 0;
		background: #fff;
		width: calc(100vw - 20px);
		margin: 10px 10px 3em 10px;
		border: 3px solid #1c2123;
	}
	.nav::before, .nav::after {
		display: none;
	}
	.nav__items {
		width: 100%;
		margin: 0;
	}
	.nav__item-slide--title {
		padding: 1em;
		font-size: 0.65em;
		width: calc(100vw - 17em);
	}
	.nav__arrows {
		left: 94px;
	}
	.btn--prev {
		border-width: 0px 3px 3px 3px;
	}
	.btn--next {
		border-width: 0px 3px 0px 3px;
	}
	.becool {
		display: none;
	}
	.modes {
		padding: 10px;
	}
	.btn--grid {
		margin: 10px;
	}
}