/* Direction 5: Night Swim. Dark and cinematic: deep-water blues, a fine light serif, mono captions
   like an instrument readout. Photos sit in the dark like they're lit from underneath. */
:root {
	--abyss: #050f17;
	--deep: #0a1c28;
	--deep-2: #112a3a;
	--foam: #e4eeef;
	--mist: #8aa3ad;
	--glow: #74e0d2;
	--sand: #c8b48f;
	--line: rgb(228 238 239 / 0.14);
	--serif: 'Cormorant', Georgia, serif;
	--sans: 'Manrope', system-ui, sans-serif;
	--mono: 'JetBrains Mono', ui-monospace, monospace;
	color-scheme: dark;
}

* {
	box-sizing: border-box;
}

body {
	margin: 0;
	background: var(--abyss);
	color: var(--foam);
	font: 300 1.0625rem/1.75 var(--sans);
}

a {
	color: inherit;
	text-decoration: none;
}

img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.wrap {
	width: min(100% - 4rem, 82rem);
	margin-inline: auto;
}

.mono {
	font: 400 0.72rem/1.5 var(--mono);
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--mist);
}

/* Monochrome sea-glass treatment: photo luminosity over a deep teal. */
.tint {
	position: relative;
	overflow: hidden;
	background: linear-gradient(160deg, #1d5a6b, #0b2533);
}

.tint img {
	mix-blend-mode: luminosity;
	opacity: 0.9;
	filter: contrast(1.15);
	transition:
		transform 1.2s cubic-bezier(0.2, 0.7, 0.2, 1),
		opacity 0.6s;
}

/* Header */
.site-header {
	position: absolute;
	inset: 0 0 auto;
	z-index: 3;
}

.site-header.static {
	position: static;
	border-bottom: 1px solid var(--line);
}

.header-inner {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding-block: 1.6rem;
}

.logo {
	font: italic 500 1.35rem/1 var(--serif);
	letter-spacing: 0.01em;
}

.site-header ul {
	display: flex;
	gap: 2.2rem;
	margin: 0;
	padding: 0;
	list-style: none;
}

.site-header nav a {
	font: 400 0.75rem/1 var(--mono);
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--mist);
	transition: color 0.3s;
}

.site-header nav a:hover,
.site-header nav a[aria-current] {
	color: var(--glow);
}

/* Hero */
.hero {
	position: relative;
	display: grid;
	place-items: center;
	height: 100vh;
	min-height: 40rem;
	max-height: 64rem;
	text-align: center;
	overflow: hidden;
}

.hero .tint {
	position: absolute;
	inset: 0;
}

.hero .tint img {
	opacity: 0.7;
}

.hero::after {
	content: '';
	position: absolute;
	inset: 0;
	background:
		radial-gradient(ellipse at center, transparent 30%, rgb(5 15 23 / 0.7) 100%),
		linear-gradient(to bottom, transparent 55%, var(--abyss));
}

.hero-text {
	position: relative;
	z-index: 1;
	padding-inline: 2rem;
}

.hero h1 {
	margin: 1.4rem 0;
	font: 300 clamp(3.4rem, 9vw, 8.5rem) / 0.9 var(--serif);
	letter-spacing: -0.02em;
}

.hero h1 em {
	display: block;
	font-weight: 400;
	color: var(--glow);
}

.hero p:not(.mono) {
	max-width: 32rem;
	margin: 0 auto;
	color: var(--mist);
}

.readout {
	position: absolute;
	inset: auto 0 2.2rem;
	z-index: 1;
	display: flex;
	justify-content: space-between;
}

.readout span b {
	display: block;
	font-weight: 400;
	color: var(--foam);
}

.scroll-cue {
	display: block;
	width: 1px;
	height: 3.2rem;
	margin: 2.4rem auto 0;
	background: linear-gradient(var(--glow), transparent);
}

/* Featured */
.featured {
	display: grid;
	grid-template-columns: 1.1fr 1fr;
	gap: 5rem;
	align-items: center;
	padding-block: 7rem;
}

.featured .tint {
	aspect-ratio: 4 / 5;
	border-radius: 2px;
}

.featured h2 {
	margin: 1rem 0 1.4rem;
	font: 300 clamp(2.4rem, 4vw, 3.8rem) / 1.02 var(--serif);
}

.featured h2 em {
	color: var(--glow);
}

.link {
	display: inline-flex;
	gap: 0.8rem;
	align-items: center;
	margin-top: 1.6rem;
	padding-bottom: 0.3rem;
	border-bottom: 1px solid var(--glow);
	font: 400 0.75rem/1 var(--mono);
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--glow);
}

/* Index list */
.index {
	padding-block: 2rem 7rem;
}

.index-head {
	display: flex;
	justify-content: space-between;
	padding-bottom: 1rem;
	border-bottom: 1px solid var(--line);
}

.index ol {
	margin: 0;
	padding: 0;
	list-style: none;
}

.index li a {
	position: relative;
	display: grid;
	grid-template-columns: 5rem 1fr 10rem 8rem;
	gap: 2rem;
	align-items: baseline;
	padding-block: 2rem;
	border-bottom: 1px solid var(--line);
	transition: padding 0.4s;
}

.index li a:hover {
	padding-left: 1.2rem;
}

.index h3 {
	margin: 0;
	font: 300 clamp(1.6rem, 2.6vw, 2.4rem) / 1.1 var(--serif);
	transition: color 0.3s;
}

.index li a:hover h3 {
	color: var(--glow);
}

.index .preview {
	position: absolute;
	right: 20rem;
	top: 50%;
	width: 14rem;
	aspect-ratio: 4 / 3;
	translate: 0 -50%;
	opacity: 0;
	pointer-events: none;
	transition: opacity 0.4s;
}

.index li a:hover .preview {
	opacity: 1;
}

/* Gallery */
.gallery {
	padding-block: 7rem;
	background: var(--deep);
}

.gallery h2 {
	margin: 0.6rem 0 3rem;
	font: 300 clamp(2.4rem, 4vw, 3.6rem) / 1 var(--serif);
}

.mosaic {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	grid-auto-rows: 14rem;
	gap: 0.75rem;
}

.mosaic .tint:nth-child(1) {
	grid-column: span 2;
	grid-row: span 2;
}

.mosaic .tint:nth-child(4),
.mosaic .tint:nth-child(5) {
	grid-row: span 2;
}

.mosaic .tint:nth-child(6) {
	grid-column: span 2;
}

.mosaic .tint:hover img {
	transform: scale(1.05);
	opacity: 1;
}

/* Book */
.book {
	padding-block: 9rem;
	text-align: center;
	background: radial-gradient(ellipse at 50% 100%, var(--deep-2), var(--abyss) 70%);
}

.book h2 {
	max-width: 46rem;
	margin: 1.2rem auto;
	font: 300 clamp(2.6rem, 5vw, 4.6rem) / 1 var(--serif);
}

.book h2 em {
	color: var(--sand);
}

.book p:not(.mono) {
	max-width: 30rem;
	margin: 0 auto;
	color: var(--mist);
}

/* Footer */
.site-footer {
	padding-block: 3rem;
	border-top: 1px solid var(--line);
}

.site-footer .wrap {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	gap: 1.4rem;
}

.site-footer ul {
	display: flex;
	gap: 2rem;
	margin: 0;
	padding: 0;
	list-style: none;
}

/* Article */
.article-hero {
	position: relative;
	display: grid;
	align-items: end;
	height: 88vh;
	min-height: 34rem;
}

.article-hero .tint {
	position: absolute;
	inset: 0;
}

.article-hero::after {
	content: '';
	position: absolute;
	inset: 0;
	background: linear-gradient(to bottom, rgb(5 15 23 / 0.2), var(--abyss) 96%);
}

.article-hero .wrap {
	position: relative;
	z-index: 1;
	padding-bottom: 4rem;
}

.article-hero h1 {
	max-width: 52rem;
	margin: 1rem 0;
	font: 300 clamp(2.8rem, 6.5vw, 6rem) / 0.98 var(--serif);
}

.article-hero h1 em {
	color: var(--glow);
}

.article-hero .dek {
	max-width: 36rem;
	margin: 0;
	font-size: 1.2rem;
	color: var(--mist);
}

.byline {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem 2.4rem;
	margin-top: 2rem;
	padding-top: 1.2rem;
	border-top: 1px solid var(--line);
}

.byline b {
	font-weight: 400;
	color: var(--foam);
}

.article-body {
	max-width: 38rem;
	margin: 4rem auto 6rem;
	color: #c6d4d8;
}

.article-body > p:first-child {
	font: 400 1.6rem/1.45 var(--serif);
	color: var(--foam);
}

.article-body h2 {
	margin: 3rem 0 0.6rem;
	font: 400 2rem/1.15 var(--serif);
	color: var(--foam);
}

.article-body blockquote {
	margin: 4rem -6rem;
	padding: 0 0 0 2rem;
	border-left: 1px solid var(--glow);
	font: italic 300 clamp(2rem, 3.4vw, 3rem) / 1.1 var(--serif);
	color: var(--foam);
}

.article-body figure {
	margin: 4rem -10rem;
}

.article-body figure .tint {
	aspect-ratio: 16 / 9;
}

.article-body figcaption {
	display: flex;
	justify-content: space-between;
	margin-top: 0.8rem;
}

.article-body ol {
	padding: 0;
	list-style: none;
	counter-reset: n;
}

.article-body ol li {
	counter-increment: n;
	display: grid;
	grid-template-columns: 3rem 1fr;
	padding-block: 0.8rem;
	border-bottom: 1px solid var(--line);
}

.article-body ol li::before {
	content: '0' counter(n);
	font: 400 0.75rem/2.3 var(--mono);
	color: var(--glow);
}

@media (max-width: 1100px) {
	.article-body figure,
	.article-body blockquote {
		margin-inline: 0;
	}
	.index .preview {
		display: none;
	}
}

@media (max-width: 860px) {
	.wrap {
		width: min(100% - 2.5rem, 82rem);
	}
	.site-header ul {
		gap: 1rem;
	}
	.site-header li:nth-child(n + 4) {
		display: none;
	}
	.featured {
		grid-template-columns: 1fr;
		gap: 2.5rem;
		padding-block: 4rem;
	}
	.index li a {
		grid-template-columns: 3rem 1fr;
	}
	.index li a > .mono:nth-last-child(-n + 2) {
		display: none;
	}
	.mosaic {
		grid-template-columns: 1fr 1fr;
	}
	.readout span:nth-child(n + 3) {
		display: none;
	}
}