:root {
	--vh: 1vh;
	--vh: 1svh;
	--wh: calc(100 * var(--vh));
	--gap-x: var(--margin);
	--gap-y: calc(100vw + 0.25 * var(--wh));
	--margin: 1rem;
	--margin-half: calc(0.5 * var(--margin));
	--margin-double: calc(2 * var(--margin));
	--madderlake: rgb(210, 38, 54);
	--madderlake-dark: rgb(72, 33, 40);
}

*,
*::before,
*::after {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}

html,
body {
	height: 100%;
	overflow: hidden;
}

html {
	scroll-behavior: smooth;
}

body {
	color: var(--madderlake-dark);
	font-family: "Lector FSL", serif;
	font-size: 1.125rem;
	line-height: 1.4;
	text-size-adjust: none;
	text-transform: uppercase;
}

a {
	color: var(--madderlake);
	text-decoration: none;
	transition: color 0.15s ease-in-out;
	pointer-events: all;
}

a:hover {
	color: var(--madderlake-dark);
}

h1 {
	font-size: inherit;
	font-weight: normal;
}

img {
	max-width: 100%;
	height: auto;
}

main {
	height: 100%;
	overflow: hidden;
	transition: opacity 1s ease-in-out;
}

main > div {
	height: 100%;
}

#top {
	width: 100%;
	position: absolute;
	top: 0;
	left: 0;
}

.about {
	display: grid;
	align-content: flex-start;
	gap: var(--margin);
	grid-template-columns: repeat(3, 1fr);
	width: 100%;
	padding: var(--margin);
	position: absolute;
	top: 0;
	left: 0;
	z-index: 1;
	pointer-events: none;
}

.about--fade::before {
	content: "";
	display: block;
	width: 100%;
	height: 200%;
	position: absolute;
	top: 0;
	left: 0;
	z-index: -1;
	background: linear-gradient(
		to bottom,
		hsl(0, 0%, 100%) 0%,
		hsla(0, 0%, 100%, 0.987) 8.1%,
		hsla(0, 0%, 100%, 0.951) 15.5%,
		hsla(0, 0%, 100%, 0.896) 22.5%,
		hsla(0, 0%, 100%, 0.825) 29%,
		hsla(0, 0%, 100%, 0.741) 35.3%,
		hsla(0, 0%, 100%, 0.648) 41.2%,
		hsla(0, 0%, 100%, 0.55) 47.1%,
		hsla(0, 0%, 100%, 0.45) 52.9%,
		hsla(0, 0%, 100%, 0.352) 58.8%,
		hsla(0, 0%, 100%, 0.259) 64.7%,
		hsla(0, 0%, 100%, 0.175) 71%,
		hsla(0, 0%, 100%, 0.104) 77.5%,
		hsla(0, 0%, 100%, 0.049) 84.5%,
		hsla(0, 0%, 100%, 0.013) 91.9%,
		hsla(0, 0%, 100%, 0) 100%
	);
	transform: translateY(-100%);
	transition: all 1s cubic-bezier(.65,.05,.36,1);
}

.about--fade:hover::before {
	transform: translateY(0);
}

.about--fade::after {
	content: "";
	display: block;
	width: 100%;
	height: calc(var(--margin) + 1.4em);
	position: absolute;
	top: 0;
	left: 0;
	pointer-events: all;
}

.about > div {
	transition: color 1s ease-in-out;
}

.about--fade > div {
	color: rgba(72, 33, 40, 0.25);
}

.about--fade:hover > div {
	color: var(--madderlake-dark);
	pointer-events: all;
}

.about > div:only-child {
	grid-column: 1 / -1;
}

.logo {
	position: relative;
	z-index: 1;
	color: var(--madderlake);
}

.contact {
	padding: var(--margin);
	position: absolute;
	bottom: 0;
	right: 0;
	color: rgba(72, 33, 40, 0.25);
	line-height: 1;
	text-align: right;
	transition: color 1s ease-in-out;
}

.contact:hover {
	color: var(--madderlake-dark);
}

#work {
	background-color: white;
}

.projects {
	display: grid;
	align-items: start;
	grid-auto-flow: dense;
	grid-template-columns: repeat(4, 1fr);
	gap: var(--gap-y) var(--gap-x);
	height: 100%;
	padding: 50vh var(--margin) 0;
	overflow-x: hidden;
	overflow-y: scroll;
	scroll-behavior: smooth;
	scrollbar-width: none;
	perspective: 1px;
	perspective-origin: 50vw 50vh;
	transition: opacity 2s ease-in-out;
}

.projects::-webkit-scrollbar {
	display: none;
}

.projects::after {
	content: "";
	grid-column: 1 / -1;
	height: 200vh;
	width: 100%;
	transform: translate3d(0, 0, 0);
	background: linear-gradient(
		to top,
		hsl(0, 0%, 100%) 50%,
		hsla(0, 0%, 100%, 0.987) 54.05%,
		hsla(0, 0%, 100%, 0.951) 57.75%,
		hsla(0, 0%, 100%, 0.896) 61.25%,
		hsla(0, 0%, 100%, 0.825) 64.5%,
		hsla(0, 0%, 100%, 0.741) 66.65%,
		hsla(0, 0%, 100%, 0.648) 70.6%,
		hsla(0, 0%, 100%, 0.55) 73.5%,
		hsla(0, 0%, 100%, 0.45) 76.45%,
		hsla(0, 0%, 100%, 0.352) 79.4%,
		hsla(0, 0%, 100%, 0.259) 82.35%,
		hsla(0, 0%, 100%, 0.175) 85.5%,
		hsla(0, 0%, 100%, 0.104) 88.75%,
		hsla(0, 0%, 100%, 0.049) 92.25%,
		hsla(0, 0%, 100%, 0.013) 95.95%,
		hsla(0, 0%, 100%, 0) 100%
	);
}

.assets {
	display: contents;
	transform-style: preserve-3d;
}

.asset {
	padding-bottom: var(--margin);
	position: relative;
	transform-style: preserve-3d;
	transform-origin: center center;
}

.asset--double {
	transform-origin: top center;
}

.asset--highlight {
	z-index: 1 !important;
}

.asset--empty:last-child {
	display: none;
}

.media {
	display: block;
	width: 100%;
	position: relative;
}

.asset--double > .media {
	width: calc(200% + var(--gap-x));
}

.projects--scrolling > .asset > .media {
	pointer-events: none;
}

.media::before {
	content: "";
	display: block;
	padding-top: calc(var(--ratio) * 100%);
}

.media > img,
.media > video {
	display: block;
	width: 100%;
	position: absolute;
	top: 0;
	left: 0;
}

.description {
	width: max-content;
	max-width: calc((100% + 2 * var(--margin)) / 3);
	padding: var(--margin);
	position: fixed;
	top: 0;
	left: 0;
	z-index: 1000;
	color: var(--madderlake);
	opacity: 0;
	pointer-events: none;
	transition: opacity 0.5s ease-in-out;
}

.introduction {
	display: flex;
	flex-direction: column;
	width: 100%;
	height: 100%;
	overflow: auto;
	position: fixed;
	top: 0;
	left: 0;
	z-index: 100;
	background-color: var(--madderlake);
	-moz-osx-font-smoothing: grayscale;
	color: white;
	transition: opacity 1s ease-in-out, visibility 0s;
}

#work:target ~ .introduction {
	opacity: 0;
	visibility: hidden;
	pointer-events: none;
	transition-delay: 0s, 1s;
}

.introduction > p {
	padding: var(--margin) var(--margin) 0;
}

.introduction p + p {
	margin-top: 1.4em;
	padding-top: 0;
}

.introduction > .contact {
	position: sticky;
	margin-top: auto;
	padding-top: 1.4em;
}

.introduction > .contact,
.introduction > .contact > a {
	color: white;
}

.introduction > .contact > a:hover {
	color: var(--madderlake-dark);
}

@media (hover: none) {
	.description {
		display: none;
	}
}

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

@keyframes fadeInColor {
	from {
		color: transparent;
	}
	to {
		color: var(--madderlake-dark);
	}
}

@media (min-width: 1401px) {
	.projects {
		--width: calc(100vw - 2 * var(--margin) - 3 * var(--gap-x)) / 8;
	}
	
	.asset:nth-child(2),
	.asset:nth-child(3),
	.asset:nth-child(4),
	.asset:nth-child(5) {
		transform-origin: top center;
	}
	
	.asset:nth-child(4n + 2) {
		transform: translate3d(
			calc((var(--width) + var(--margin) - 50vw) * var(--random-z) * -1),
			0,
			calc(var(--random-z) * 1px)
		) scale(calc(1 - var(--random-z)));
	}
	
	.asset:nth-child(4n + 3) {
		transform: translate3d(
			calc((var(--width) * 3 + var(--margin) + var(--gap-x) - 50vw) * var(--random-z) * -1),
			0,
			calc(var(--random-z) * 1px)
		) scale(calc(1 - var(--random-z)));
	}
	
	.asset:nth-child(4n + 4) {
		transform: translate3d(
			calc((var(--width) * 5 + var(--margin) + 2 * var(--gap-x) - 50vw) * (var(--random-z) * -1)),
			0,
			calc(var(--random-z) * 1px))
		scale(calc(1 - var(--random-z)));
	}
	
	.asset:nth-child(4n + 1) {
		transform: translate3d(
			calc((var(--width) * 7 + var(--margin) + 3 * var(--gap-x) - 50vw) * (var(--random-z) * -1)),
			0,
			calc(var(--random-z) * 1px)
		) scale(calc(1 - var(--random-z)));
	}

	.asset--double:nth-child(4n + 1) > .media {
		width: 100%;
	}
}

@media (min-width: 769px) and (max-width: 1400px) {
	.projects {
		--width: calc(100vw - 2 * var(--margin) - 2 * var(--gap-x)) / 6;
		grid-template-columns: repeat(3, 1fr);
	}

	.asset:nth-child(2),
	.asset:nth-child(3),
	.asset:nth-child(4) {
		transform-origin: top center;
	}
	
	.asset:nth-child(3n + 2) {
		transform: translate3d(
			calc((var(--width) + var(--margin) - 50vw) * var(--random-z) * -1),
			0,
			calc(var(--random-z) * 1px)) scale(calc(1 - var(--random-z))
		);
	}

	.asset:nth-child(3n + 3) {
		transform: translate3d(
			calc((var(--width) * 3 + var(--margin) + var(--gap-x) - 50vw) * var(--random-z) * -1),
			0,
			calc(var(--random-z) * 1px)) scale(calc(1 - var(--random-z))
		);
	}

	.asset:nth-child(3n + 1) {
		transform: translate3d(
			calc((var(--width) * 5 + var(--margin) + 2 * var(--gap-x) - 50vw) * var(--random-z) * -1),
			0,
			calc(var(--random-z) * 1px)) scale(calc(1 - var(--random-z))
		);
	}

	.asset--double:nth-child(3n + 1) > .media {
		width: 100%;
	}
}


@media (max-width: 768px) {
	.projects {
		--width: calc(100vw - 2 * var(--margin) - var(--gap-x)) / 4;
		grid-template-columns: repeat(2, 1fr);
	}
	
	.asset:nth-child(2),
	.asset:nth-child(3) {
		transform-origin: top center;
	}
	
	.asset:nth-child(2n + 2) {
		transform: translate3d(
			calc((var(--width) + var(--margin) - 50vw) * var(--random-z) * -1),
			0,
			calc(var(--random-z) * 1px)) scale(calc(1 - var(--random-z))
		);
	}

	.asset:nth-child(2n + 1) {
		transform: translate3d(
			calc((var(--width) * 3 + var(--margin) + var(--gap-x) - 50vw) * var(--random-z) * -1),
			0,
			calc(var(--random-z) * 1px)) scale(calc(1 - var(--random-z))
		);
	}

	.asset--double:nth-child(2n + 1) > .media {
		width: 100%;
	}
}

@media (max-width: 1024px) {
	.about {
		grid-template-columns: 1fr;
	}

	.description {
		max-width: 100%;
	}
}

@media (max-width: 560px) {
	body {
		font-size: 1rem;
	}
}