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

:root {
	--gap: 1rem;
	--header: 3.5rem;
	--footer: 2.5rem;
	--background: #fff;
	--color: #000;
}

:root[data-theme="dark"] {
	--background: #000;
	--color: #fff;
	color-scheme: dark;
}

body {
	margin: 0;
	font-family: system-ui, sans-serif;
	line-height: 1.4;
	color: var(--color);
	background: var(--background);
}

a {
	color: inherit;
}

h2 {
	font-weight: 550;
}

img,
video {
	display: block;
	max-width: 100%;
	height: auto;
}

/* Header & menu */

.site-header {
	position: sticky;
	top: 0;
	z-index: 10;
	display: flex;
	flex-wrap: wrap;
	gap: var(--gap);
	align-items: baseline;
	justify-content: space-between;
	min-height: var(--header);
	padding: var(--gap);
}

.site-title {
	padding: 0;
	border: 0;
	background: none;
	color: inherit;
	font: inherit;
	font-size: 2em;
	font-weight: 450;
	cursor: pointer;
}

.menu ul {
	display: flex;
	flex-wrap: wrap;
	gap: 0 var(--gap);
	margin: 0;
	padding: 0;
	list-style: none;
}

.menu a {
	text-decoration: none;
}

.menu a[aria-current] {
	text-decoration: underline;
}

/* Home */

.home-picture {
	width: 100%;
	height: calc(100svh - var(--header) - var(--footer));
	object-fit: cover;
}

.home-footer {
	position: fixed;
	right: 0;
	bottom: 0;
	left: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	height: var(--footer);
	background: var(--background);
	font-size: 0.875rem;
}

/* Category */

.category {
	padding: 0 var(--gap) var(--gap);
}

.viewer {
	margin-bottom: calc(var(--gap) * 3);
}

.picture-large {
	margin: 0;
	text-align: center;
}

.picture-large img,
.picture-large video {
	width: auto;
	max-height: 80svh;
	margin: 0 auto;
}

.picture-large figcaption {
	margin-top: var(--gap);
}

.picture-large figcaption p,
.picture-caption > * {
	margin: 0;
}

.intro {
	max-width: 40rem;
	margin-bottom: calc(var(--gap) * 2);
}

.grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(14.96rem, 1fr));
	gap: var(--gap);
	margin: 0;
	padding: 0;
	list-style: none;
}

.grid a {
	display: block;
	aspect-ratio: 1;
}

.grid img,
.grid video {
	width: 100%;
	height: 100%;
	object-fit: contain;
}

.grid a[aria-current] img {
	opacity: 0.4;
}

/* Exhibition: uncropped pictures, 3 per row */

.category-exhibition .grid {
	grid-template-columns: repeat(2, 1fr);
	align-items: start;
}

@media (min-width: 60em) {
	.category-exhibition .grid {
		grid-template-columns: repeat(3, 1fr);
	}
}

.category-exhibition .grid a {
	aspect-ratio: auto;
}

.category-exhibition .grid img,
.category-exhibition .grid video {
	height: auto;
}

/* Text pages */

.page {
	max-width: 40rem;
	padding: 0 var(--gap) var(--gap);
}

.portrait {
	margin: 0 0 calc(var(--gap) * 2);
}

.page.about {
	max-width: none;
}

.page.about .portrait {
	max-width: 40rem;
}

.about-main {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr));
	gap: calc(var(--gap) * 2);
}

.about-sections {
	display: flex;
	flex-wrap: wrap;
	gap: calc(var(--gap) * 2);
	margin-top: calc(var(--gap) * 2);
}

.about-sections > * {
	flex: 1 1 12rem;
}

.documents {
	padding: 0;
	list-style: none;
}