body {
	margin: 0;
	font-family: "Unbounded", sans-serif;
	background: #000000;
	background: radial-gradient(
		circle at 30% 50%,
		rgba(0,0,0,1) 0%,
		rgba(33,66,92,1) 50%,
		rgba(26,49,64,1) 53%,
		rgba(0,0,0,1) 99%
	);
	color: white;
	min-height: 100vh;
}

body::before {
	content: "";
	position: fixed;
	inset: 0;
	z-index: -1;
	background:
		radial-gradient(circle at 74% 20%, rgba(99, 169, 222, .18), transparent 0 25rem),
		radial-gradient(circle at 22% 62%, rgba(56, 108, 155, .32), transparent 0 34rem),
		linear-gradient(120deg, rgba(255,255,255,.035) 1px, transparent 1px);
	background-size: auto, auto, 90px 90px;
	pointer-events: none;
}



/* LAYOUT */
.expo-page {
	display: flex;
	min-height: 100vh;
	position: relative;
}

/* MENU */
.expo-menu {
	width: 300px;
	padding: 3rem 2rem;
	border-right: 1px solid rgba(255,255,255,0.1);
	position: sticky;
	top: 0;
	height: 100vh;
	background:
		linear-gradient(180deg, rgba(7, 14, 22, .72), rgba(7, 14, 22, .34)),
		radial-gradient(circle at 20% 20%, rgba(93, 164, 220, .18), transparent 16rem);
	backdrop-filter: blur(18px);
}

.expo-menu h1 {
	font-family: "Cormorant Garamond", serif;
	font-size: clamp(2.2rem, 4vw, 3.8rem);
	font-weight: 300;
	line-height: .9;
	letter-spacing: .01em;
	margin: .6rem 0 2.4rem;
	color: #eff8ff;
	text-shadow: 0 0 28px rgba(125, 197, 255, .28);
}

.expo-link {
	position: relative;
	display: flex;
	align-items: baseline;
	gap: .75rem;
	width: 100%;
	background: none;
	border: none;
	border-bottom: 1px solid rgba(165, 215, 255, .12);
	color: rgba(230, 246, 255, .58);
	text-align: left;
	padding: .95rem 0;
	cursor: pointer;
	font-family: "Cormorant Garamond", serif;
	font-size: clamp(1.35rem, 2vw, 2rem);
	font-weight: 300;
	letter-spacing: .01em;
	transition: color 0.3s ease, transform 0.3s ease, text-shadow .3s ease, border-color .3s ease;
}

.expo-link::before {
	content: "0" counter(exhibit);
	counter-increment: exhibit;
	min-width: 1.6rem;
	font-family: "Unbounded", sans-serif;
	font-size: .58rem;
	letter-spacing: .14em;
	color: rgba(165, 215, 255, .45);
}

.expo-menu {
	counter-reset: exhibit;
}

.expo-link:hover {
	color: white;
	transform: translateX(6px);
	text-shadow: 0 0 18px rgba(125, 197, 255, .46);
	border-color: rgba(165, 215, 255, .32);
}

.expo-link.active {
	color: white;
	text-shadow: 0 0 22px rgba(125, 197, 255, .6);
	border-color: rgba(165, 215, 255, .55);
}

/* CONTENT */
.expo-content {
	flex: 1;
	padding: clamp(4rem, 7vw, 7rem) clamp(3rem, 6vw, 6rem);
	min-width: 0;
}

/* EXHIBITIONS */
.expo {
	display: none;
	opacity: 0;
	transform: translateY(20px);
	transition: 0.5s ease;
}

.expo.active {
	display: block;
	opacity: 1;
	transform: translateY(0);
}

.expo h2 {
	font-family: "Cormorant Garamond", serif;
	font-size: clamp(3rem, 8vw, 7rem);
	font-weight: 400;
	font-style: normal;
	line-height: .86;
	letter-spacing: .01em;
	margin: 0 0 1rem;
	color: #eaf6ff;
	text-shadow:
		0 0 28px rgba(94, 164, 220, .38),
		0 12px 34px rgba(0, 0, 0, .34);
}

.expo p {
	max-width: 600px;
	color: rgba(255,255,255,0.7);
	margin-bottom: 2rem;
	line-height: 1.6;
}

/* CAROUSEL */
.carousel {
	position: relative;
	overflow: hidden;
	border-radius: 8px;
	padding: clamp(.7rem, 1.4vw, 1.3rem);
	background:
		linear-gradient(135deg, rgba(173, 221, 255, .12), rgba(13, 34, 52, .44)),
		radial-gradient(circle at 22% 18%, rgba(130, 203, 255, .28), transparent 20rem),
		linear-gradient(180deg, rgba(9, 21, 34, .72), rgba(20, 47, 68, .52));
	border: 1px solid rgba(161, 216, 255, .28);
	box-shadow:
		0 38px 90px rgba(0, 0, 0, .36),
		inset 0 1px 0 rgba(255,255,255,.18),
		0 0 90px rgba(77, 146, 201, .2);
}

.carousel::before {
	content: "";
	position: absolute;
	inset: 0;
	background:
		linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px),
		linear-gradient(180deg, rgba(255,255,255,.026) 1px, transparent 1px);
	background-size: 48px 48px;
	mix-blend-mode: screen;
	opacity: .45;
	pointer-events: none;
}

.carousel::after {
	content: "";
	position: absolute;
	inset: clamp(.7rem, 1.4vw, 1.3rem);
	border: 1px solid rgba(220, 241, 255, .16);
	pointer-events: none;
}

.track {
	display: flex;
	transition: transform 0.6s ease;
	position: relative;
	z-index: 1;
	width: 100%;
}

.track img {
	width: 100%;
	min-width: 100%;
	flex: 0 0 100%;
	box-sizing: border-box;
	height: 66vh;
	object-fit: contain;
	padding: clamp(.5rem, 1vw, 1rem);
	background:
		radial-gradient(circle at 52% 43%, rgba(201, 232, 255, .2), transparent 23rem),
		radial-gradient(circle at 12% 90%, rgba(86, 151, 202, .22), transparent 18rem),
		linear-gradient(135deg, rgba(17, 43, 64, .86), rgba(45, 83, 108, .48));
	box-shadow:
		inset 0 0 0 1px rgba(255,255,255,.055),
		inset 0 0 80px rgba(2, 8, 13, .22);
}

/* BUTTONS */
.prev, .next {
	position: absolute;
	top: 50%;
	transform: translateY(-50%);
	width: 3.4rem;
	height: 3.4rem;
	display: grid;
	place-items: center;
	background: rgba(4, 12, 18, .56);
	border: 1px solid rgba(255,255,255,.16);
	border-radius: 50%;
	color: white;
	font-size: 2rem;
	cursor: pointer;
	padding: 0;
	backdrop-filter: blur(12px);
	transition: background .25s ease, transform .25s ease, border-color .25s ease;
	z-index: 2;
}

.prev { left: 10px; }
.next { right: 10px; }

.prev:hover,
.next:hover,
.prev:focus-visible,
.next:focus-visible {
	background: rgba(91, 161, 214, .28);
	border-color: rgba(146, 211, 255, .5);
	transform: translateY(-50%) scale(1.08);
	outline: none;
}

.carousel.is-empty {
	min-height: 45vh;
	display: grid;
	place-items: center;
}

.carousel.is-empty::before {
	content: "images coming soon";
	color: rgba(255,255,255,.52);
	font-size: .75rem;
	letter-spacing: .18em;
	text-transform: uppercase;
}

.carousel.is-empty .prev,
.carousel.is-empty .next {
	display: none;
}

/* MOBILE */
@media (max-width: 900px) {
	.expo-page {
		flex-direction: column;
	}

	.expo-menu {
		width: 100%;
		height: auto;
		position: relative;
		display: flex;
		flex-wrap: wrap;
		gap: 1rem;
		border-right: none;
		border-bottom: 1px solid rgba(255,255,255,0.1);
	}

	.expo-content {
		padding: 2rem;
	}

	.track img {
		height: 45vh;
	}
}

/* return button */
.back-btn {
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #fff;
    opacity: 0.7;
    text-decoration: none;
    transition: 0.3s;
}