/*
 * heddohon.app
 *
 * The same rules as the application (`src/lib/styles/app.css` in
 * zorcerer/heddohon): a colourless ground, and every hue on the page taken from
 * artwork. Here the artwork is the screenshots. `site.js` samples the one
 * nearest the middle of the viewport and writes --art-h/s/l on the root, so
 * the room changes colour as you scroll. Depth comes from surface elevation,
 * hairline borders and blur; there is no glow and no fixed accent.
 */

@font-face {
	font-family: 'Manrope Variable';
	font-style: normal;
	font-display: swap;
	font-weight: 200 800;
	src: url('assets/fonts/manrope-latin-wght-normal.woff2') format('woff2-variations');
}

@font-face {
	font-family: 'JetBrains Mono Variable';
	font-style: normal;
	font-display: swap;
	font-weight: 100 800;
	src: url('assets/fonts/jetbrains-mono-latin-wght-normal.woff2') format('woff2-variations');
}

/* Registered so the room eases between colours rather than jumping. */
@property --art-h {
	syntax: '<number>';
	inherits: true;
	initial-value: 218;
}

@property --art-s {
	syntax: '<percentage>';
	inherits: true;
	initial-value: 16%;
}

@property --art-l {
	syntax: '<percentage>';
	inherits: true;
	initial-value: 54%;
}

:root {
	--font-display: 'Manrope Variable', system-ui, -apple-system, 'Segoe UI', sans-serif;
	--font-ui: 'Manrope Variable', system-ui, -apple-system, 'Segoe UI', sans-serif;
	--font-mono: 'JetBrains Mono Variable', ui-monospace, 'SFMono-Regular', monospace;
	--display-weight: 800;
	--display-tracking: -0.035em;

	/* Each step roughly 1.35x the last, as in the app. */
	--r-xl: 1.375rem;
	--r-lg: 1rem;
	--r-md: 0.75rem;
	--r-sm: 0.5625rem;
	--r-pill: 999px;

	--float-gap: 0.75rem;
	--measure: 72rem;

	--ease-out: cubic-bezier(0.22, 1, 0.36, 1);
	--ease-spring: cubic-bezier(0.34, 1.36, 0.64, 1);
	--dur-press: 120ms;
	--dur-hover: 220ms;
	--dur-travel: 480ms;
	--dur-colour: 900ms;
	--ease-colour: cubic-bezier(0.4, 0, 0.2, 1);

	--art-h: 218;
	--art-s: 16%;
	--art-l: 54%;
	--art: hsl(var(--art-h) var(--art-s) var(--art-l));

	transition:
		--art-h var(--dur-colour) var(--ease-colour),
		--art-s var(--dur-colour) var(--ease-colour),
		--art-l var(--dur-colour) var(--ease-colour);
}

@supports (transition-timing-function: linear(0, 1)) {
	:root {
		--ease-spring: linear(
			0, 0.008 1.2%, 0.045 3.1%, 0.119 5.4%, 0.226 8%, 0.356 10.8%, 0.496 13.8%,
			0.633 17%, 0.757 20.4%, 0.86 23.9%, 0.938 27.5%, 0.993 31.3%, 1.026 35.2%,
			1.042 39.2%, 1.046 43.4%, 1.042 47.6%, 1.033 51.9%, 1.024 56.3%, 1.015 60.9%,
			1.008 65.5%, 1.003 70.2%, 1 75%, 0.998 84.7%, 1
		);
	}
}

/* ── Liquid ─────────────────────────────────────────────────────────────── */
:root,
[data-theme='dark'] {
	--bg-base: #0b0c0f;
	--bg-surface: #111317;
	--bg-raised: #181a1f;

	--text-strong: #f7f8fa;
	--text-default: #e1e3e7;
	--text-muted: #a2a6ae;
	--text-faint: #767a84;

	--border-hairline: #1f2227;
	--border-strong: #30343c;

	/* The app's worst-hue values: 4.5:1 as text and as a label on itself. */
	--accent: hsl(var(--art-h) min(calc(var(--art-s) + 14%), 52%) 70%);
	--accent-strong: hsl(var(--art-h) min(calc(var(--art-s) + 18%), 56%) 80%);
	--accent-quiet: hsl(var(--art-h) min(calc(var(--art-s) + 6%), 44%) 30%);
	--accent-contrast: #0b0c0e;

	--glass-base: 58%;
	--glass-tint: 14%;
	--glass-blur: blur(30px) saturate(88%) brightness(0.42);
	--control-face: color-mix(in srgb, var(--bg-raised) 46%, transparent);
	--control-blur: blur(14px) saturate(90%) brightness(0.72);
	--text-muted-through: #b4b8c0;

	--text-shade: 0 1px 2px rgb(0 0 0 / 0.42);
	--glass-edge: color-mix(in srgb, #ffffff 14%, transparent);
	--glass-sheen: rgb(255 255 255 / 0.1);
	--ambience-strength: 38%;
	--float-shadow: 0 22px 48px -24px rgb(0 0 0 / 0.85), 0 2px 10px -4px rgb(0 0 0 / 0.6);

	color-scheme: dark;
}

/* ── Paper ──────────────────────────────────────────────────────────────── */
[data-theme='light'] {
	--bg-base: #f0e7d5;
	--bg-surface: #f6efe1;
	--bg-raised: #faf5ea;

	--text-strong: #2e241a;
	--text-default: #453b30;
	--text-muted: #594f43;
	--text-faint: #6c6256;

	--border-hairline: #d8cfbe;
	--border-strong: #c0b6a6;

	/* The artwork's hue at the lightness pale type needs, mixed with the rust
	   ink: all rust for a grey cover, 30 percent for a saturated one. */
	--rust-share: min(100%, calc(30% + max(0%, 45% - var(--art-s)) * 3));
	--accent-l: calc(31% + 9% * max(0, cos((var(--art-h) - 255) * 1deg)));
	--accent: color-mix(
		in oklab,
		hsl(var(--art-h) min(calc(var(--art-s) + 10%), 52%) var(--accent-l)) calc(100% - var(--rust-share)),
		#7a2e12
	);
	--accent-strong: color-mix(
		in oklab,
		hsl(var(--art-h) min(calc(var(--art-s) + 14%), 56%) calc(var(--accent-l) - 5%)) calc(100% - var(--rust-share)),
		#6a2610
	);
	--accent-quiet: color-mix(in oklab, hsl(var(--art-h) min(calc(var(--art-s) + 16%), 60%) 76%) 65%, #e8d4b0);
	--accent-contrast: #fbf6ec;

	--glass-base: 80%;
	--glass-tint: 5%;
	--glass-blur: blur(26px) sepia(0.25) saturate(90%);
	--control-face: color-mix(in srgb, var(--bg-raised) 64%, transparent);
	--control-blur: blur(14px) sepia(0.2);
	--text-muted-through: #4f463b;

	--text-shade: 0 1px 0 rgb(255 250 238 / 0.55);
	--glass-edge: rgb(46 36 26 / 0.16);
	--glass-sheen: rgb(255 250 238 / 0.6);
	--ambience-strength: 16%;
	--float-shadow: 0 18px 40px -22px rgb(74 52 30 / 0.34), 0 2px 8px -5px rgb(74 52 30 / 0.2);

	--display-weight: 700;
	--display-tracking: -0.028em;

	color-scheme: light;
}

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

html {
	background: var(--bg-base);
	scroll-behavior: smooth;
	scroll-padding-top: 6rem;
	-webkit-text-size-adjust: 100%;
}

body {
	margin: 0;
	min-height: 100vh;
	font-family: var(--font-ui);
	font-size: 1rem;
	line-height: 1.6;
	color: var(--text-default);
	/* One pixel of shade separates a glyph from whatever the room carries. */
	text-shadow: var(--text-shade);
	-webkit-font-smoothing: antialiased;
	overflow-x: clip;
}

a {
	color: inherit;
	text-decoration-color: color-mix(in srgb, currentColor 35%, transparent);
	text-underline-offset: 0.2em;
	transition: color var(--dur-hover) var(--ease-out);
}

a:hover {
	color: var(--accent);
}

:focus-visible {
	outline: 2px solid var(--accent);
	outline-offset: 3px;
	border-radius: var(--r-sm);
}

code,
pre {
	font-family: var(--font-mono);
	font-variant-numeric: tabular-nums;
	font-size: 0.875em;
}

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

/* ── The room ───────────────────────────────────────────────────────────── */
/*
 * The only place the artwork's colour is painted. Four pools that fall off at
 * different rates, so it reads as light with a direction to it. Everything
 * translucent on the page shows this through its blur.
 */
.room {
	position: fixed;
	inset: 0;
	z-index: -1;
	pointer-events: none;
	background:
		url('assets/grain.png') 0 0 / 128px 128px repeat,
		radial-gradient(90% 70% at 4% 96%, color-mix(in srgb, var(--art) var(--ambience-strength), transparent) 0%, transparent 70%),
		radial-gradient(80% 60% at 98% 2%, color-mix(in srgb, var(--art) calc(var(--ambience-strength) * 0.8), transparent) 0%, transparent 68%),
		radial-gradient(70% 90% at 78% 100%, color-mix(in srgb, var(--art) calc(var(--ambience-strength) * 0.5), transparent) 0%, transparent 66%),
		linear-gradient(160deg, color-mix(in srgb, var(--art) calc(var(--ambience-strength) * 0.28), transparent) 0%, transparent 60%),
		linear-gradient(var(--bg-base), var(--bg-base));
}

/* Paper: a ledger grid, the grain, a few stains, and weaker pools. */
[data-theme='light'] .room {
	background:
		repeating-linear-gradient(to bottom, transparent 0 33px, rgb(46 36 26 / 0.05) 33px 34px),
		repeating-linear-gradient(to right, transparent 0 33px, rgb(46 36 26 / 0.03) 33px 34px),
		url('assets/grain.png') 0 0 / 128px 128px repeat,
		radial-gradient(ellipse 90px 60px at 12% 18%, rgb(122 90 46 / 0.08), transparent 70%),
		radial-gradient(ellipse 40px 52px at 88% 9%, rgb(109 79 40 / 0.065), transparent 72%),
		radial-gradient(ellipse 130px 70px at 76% 61%, rgb(122 90 46 / 0.05), transparent 68%),
		radial-gradient(ellipse 55px 38px at 27% 74%, rgb(107 74 34 / 0.06), transparent 70%),
		radial-gradient(ellipse 70px 46px at 6% 52%, rgb(109 79 40 / 0.055), transparent 71%),
		radial-gradient(90% 70% at 4% 96%, color-mix(in srgb, var(--art) var(--ambience-strength), transparent) 0%, transparent 70%),
		radial-gradient(80% 60% at 98% 2%, color-mix(in srgb, var(--art) calc(var(--ambience-strength) * 0.8), transparent) 0%, transparent 68%),
		linear-gradient(var(--bg-base), var(--bg-base));
}

/* ── Material ───────────────────────────────────────────────────────────── */
.glass {
	--text-muted: var(--text-muted-through);
	background-color: color-mix(in srgb, var(--bg-surface) var(--glass-base), transparent);
	background-image: linear-gradient(
		to bottom,
		color-mix(in srgb, var(--art) var(--glass-tint), transparent),
		transparent
	);
	-webkit-backdrop-filter: var(--glass-blur);
	backdrop-filter: var(--glass-blur);
}

/* Glass catches light on the edge nearest the viewer. */
.float {
	border-radius: var(--r-xl);
	border: 1px solid var(--glass-edge);
	box-shadow:
		inset 0 1px 0 var(--glass-sheen),
		var(--float-shadow);
}

.key {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	min-height: 2.75rem;
	padding: 0 1.1rem;
	border-radius: var(--r-md);
	border: 1px solid var(--glass-edge);
	background: var(--control-face);
	-webkit-backdrop-filter: var(--control-blur);
	backdrop-filter: var(--control-blur);
	box-shadow: inset 0 1px 0 var(--glass-sheen);
	color: var(--text-strong);
	font: 600 0.9375rem/1 var(--font-ui);
	text-decoration: none;
	cursor: pointer;
	transition:
		color var(--dur-hover) var(--ease-out),
		border-color var(--dur-hover) var(--ease-out),
		transform var(--dur-press) var(--ease-out);
}

.key svg {
	width: 1rem;
	height: 1rem;
}

.key:hover {
	color: var(--accent);
	border-color: color-mix(in srgb, var(--accent) 40%, var(--glass-edge));
}

.key:active {
	transform: scale(0.97);
}

.key--primary {
	background: var(--accent);
	border-color: transparent;
	color: var(--accent-contrast);
	text-shadow: none;
	-webkit-backdrop-filter: none;
	backdrop-filter: none;
}

.key--primary:hover {
	background: var(--accent-strong);
	color: var(--accent-contrast);
}

.key--small {
	min-height: 2rem;
	padding: 0 0.75rem;
	font-size: 0.8125rem;
}

/* Paper: flat keys pressed into the sheet, with a ring of the pale accent. */
[data-theme='light'] .key {
	border-color: var(--border-strong);
	box-shadow:
		inset 0 1px 0 rgb(255 250 238 / 0.7),
		0 1px 0 rgb(46 36 26 / 0.08);
}

[data-theme='light'] .key:hover,
[data-theme='light'] .key:focus-visible {
	border-color: color-mix(in srgb, var(--accent) 55%, var(--border-strong));
	box-shadow:
		inset 0 1px 0 rgb(255 250 238 / 0.7),
		0 0 0 3px color-mix(in srgb, var(--accent-quiet) 70%, transparent);
}

[data-theme='light'] .key--primary {
	border-color: var(--accent-strong);
}

.chip {
	display: inline-flex;
	align-items: center;
	padding: 0.15rem 0.6rem;
	border-radius: var(--r-pill);
	border: 1px solid color-mix(in srgb, var(--accent) 70%, transparent);
	color: var(--accent);
	font: 500 0.75rem/1.5 var(--font-mono);
	font-variant-numeric: tabular-nums;
	white-space: nowrap;
}

/* Hi-res is the filled badge in the stronger accent, apart by weight not hue. */
.chip--hires {
	background: var(--accent-strong);
	border-color: var(--accent-strong);
	color: var(--accent-contrast);
	font-weight: 700;
	text-shadow: none;
}

/* ── The bar ────────────────────────────────────────────────────────────── */
/* Floats clear of the window edge with the app's gutter, as the rail does. */
.bar {
	position: sticky;
	top: calc(var(--float-gap) + env(safe-area-inset-top, 0px));
	z-index: 10;
	display: flex;
	align-items: center;
	gap: 0.5rem;
	max-width: var(--measure);
	margin: calc(var(--float-gap) + env(safe-area-inset-top, 0px)) auto 0;
	width: calc(100% - 2 * var(--float-gap));
	padding: 0.5rem 0.5rem 0.5rem 0.9rem;
}

.brand {
	display: inline-flex;
	align-items: center;
	gap: 0.6rem;
	margin-right: auto;
	color: var(--text-strong);
	font-weight: 800;
	letter-spacing: -0.02em;
	text-decoration: none;
}

.crest {
	width: 1.75rem;
	height: 1.75rem;
}

.bar nav {
	display: flex;
	gap: 0.25rem;
	margin-right: 0.5rem;
}

.bar nav a {
	padding: 0.5rem 0.75rem;
	border-radius: var(--r-sm);
	color: var(--text-muted);
	font-size: 0.9375rem;
	font-weight: 600;
	text-decoration: none;
}

.bar nav a:hover {
	color: var(--accent);
}

.bar .key {
	min-height: 2.5rem;
	padding: 0 0.8rem;
}

.theme-name {
	display: none;
}

[data-theme='dark'] .theme-name[data-for='dark'],
[data-theme='light'] .theme-name[data-for='light'] {
	display: inline;
}

@media (max-width: 44rem) {
	.bar nav {
		display: none;
	}
}

/* ── Page ───────────────────────────────────────────────────────────────── */
main,
.foot {
	max-width: var(--measure);
	margin: 0 auto;
	padding: 0 max(1rem, env(safe-area-inset-left, 0px));
}

h1,
h2,
h3 {
	font-family: var(--font-display);
	color: var(--text-strong);
	margin: 0;
}

.hero {
	display: grid;
	grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
	align-items: center;
	gap: 3rem;
	padding: 5.5rem 0 3rem;
}

.eyebrow {
	margin: 0 0 0.75rem;
	color: var(--text-muted);
	font: 500 0.8125rem/1 var(--font-mono);
	letter-spacing: 0.18em;
	text-transform: uppercase;
}

h1 {
	font-size: clamp(3.25rem, 6.2vw, 5.25rem);
	line-height: 0.95;
	font-weight: var(--display-weight);
	letter-spacing: var(--display-tracking);
}

.lede {
	margin: 1.25rem 0 1.5rem;
	font-size: clamp(1.2rem, 2.2vw, 1.5rem);
	line-height: 1.35;
	font-weight: 600;
	color: var(--text-strong);
}

.lede span {
	color: var(--text-muted);
	font-weight: 500;
}

.chips,
.actions {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	margin: 0 0 1rem;
}

.actions {
	margin-top: 1.75rem;
}

/*
 * The sleeve, after the album page: it turns toward the pointer, up to 9
 * degrees on each axis, lifts toward the viewer, and carries a highlight that
 * follows the pointer across its face. A wrapper turns so the figure keeps its
 * place in the layout. Mouse only, and not under reduced motion (`site.js`).
 */
.sleeve {
	margin: 0;
	perspective: 1600px;
}

.sleeve-turn {
	position: relative;
	border-radius: var(--r-xl);
	overflow: hidden;
	border: 1px solid var(--glass-edge);
	box-shadow: var(--float-shadow);
	transform: rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)) translateZ(var(--lift, 0));
	transition: transform var(--dur-travel) var(--ease-spring);
}

.sleeve.tracking .sleeve-turn {
	transition: transform 80ms linear;
}

.sheen {
	position: absolute;
	inset: 0;
	background: radial-gradient(
		40% 40% at var(--px, 50%) var(--py, 50%),
		rgb(255 255 255 / 0.12),
		transparent 70%
	);
	opacity: 0;
	transition: opacity var(--dur-hover) var(--ease-out);
	pointer-events: none;
}

.sleeve.tracking .sheen {
	opacity: 1;
}

@media (max-width: 56rem) {
	.hero {
		grid-template-columns: 1fr;
		padding-top: 3.5rem;
		gap: 2.25rem;
	}
}

.pitch {
	max-width: 30rem;
	margin: -0.5rem 0 1.5rem;
	color: var(--text-muted);
}

/* ── Catalogue sections ─────────────────────────────────────────────────── */
/* Numbered and ruled: a mono index in the margin and a hairline to the edge. */
.section {
	padding: 4.5rem 0 1rem;
}

.section-head {
	display: flex;
	align-items: baseline;
	gap: 1rem;
	margin-bottom: 2rem;
	font-size: clamp(1.75rem, 4vw, 2.5rem);
	font-weight: var(--display-weight);
	letter-spacing: var(--display-tracking);
	line-height: 1.1;
}

.index {
	color: var(--text-faint);
	font: 500 0.8125rem/1 var(--font-mono);
	letter-spacing: 0.08em;
	font-variant-numeric: tabular-nums;
}

.section-head .index {
	width: 2rem;
	flex: none;
}

.rule {
	flex: 1;
	height: 1px;
	align-self: center;
	background: var(--border-strong);
}

/* A printed index: numbers hang in the margin, hairlines separate entries. */
.index-list {
	list-style: none;
	margin: 0;
	padding: 0;
	counter-reset: entry;
}

.index-list li {
	counter-increment: entry;
	display: grid;
	grid-template-columns: 3rem minmax(0, 1fr) auto;
	gap: 0 1rem;
	align-items: baseline;
	padding: 1.1rem 0;
	border-top: 1px solid var(--border-hairline);
	transition: background-color var(--dur-hover) var(--ease-out);
}

.index-list li:last-child {
	border-bottom: 1px solid var(--border-hairline);
}

.index-list li::before {
	content: counter(entry, decimal-leading-zero);
	color: var(--text-faint);
	font: 500 0.8125rem/1.6 var(--font-mono);
	text-align: right;
	padding-right: 0.5rem;
}

/* Hover tints the row rather than filling it. */
.index-list li:hover {
	background: linear-gradient(to right, transparent, color-mix(in srgb, var(--art) 8%, transparent) 20%, transparent);
}

.index-list li:hover h3 {
	color: var(--accent);
}

.index-list h3 {
	font-size: 1.125rem;
	font-weight: 700;
	letter-spacing: -0.01em;
	transition: color var(--dur-hover) var(--ease-out);
}

.index-list p {
	margin: 0.25rem 0 0;
	max-width: 44rem;
	color: var(--text-muted);
}

@media (max-width: 40rem) {
	.index-list li {
		grid-template-columns: 2.25rem minmax(0, 1fr);
	}

	.index-list .chip {
		grid-column: 2;
		justify-self: start;
		margin-top: 0.6rem;
	}
}

.shots {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 1.5rem;
}

.shot {
	margin: 0;
}

.shot img {
	border-radius: var(--r-lg);
	border: 1px solid var(--glass-edge);
	box-shadow: var(--float-shadow);
}

.shot--wide {
	grid-column: 1 / -1;
}

.shot figcaption {
	display: flex;
	gap: 0.75rem;
	align-items: baseline;
	margin-top: 0.75rem;
	color: var(--text-muted);
	font-size: 0.9375rem;
}

@media (max-width: 44rem) {
	.shots {
		grid-template-columns: 1fr;
	}
}

.install {
	display: grid;
	grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
	gap: 2rem;
	align-items: start;
}

@media (max-width: 60rem) {
	.install {
		grid-template-columns: 1fr;
	}
}

.terminal {
	overflow: hidden;
}

.terminal-top {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 0.6rem 0.6rem 0.6rem 1.1rem;
	border-bottom: 1px solid var(--glass-edge);
}

.label {
	color: var(--text-muted);
	font: 500 0.75rem/1 var(--font-mono);
	letter-spacing: 0.12em;
	text-transform: uppercase;
}

.terminal pre {
	margin: 0;
	padding: 1.1rem 1.25rem 1.3rem;
	overflow-x: auto;
	line-height: 1.8;
	color: var(--text-strong);
}

.facts {
	margin: 0;
}

.facts div {
	display: grid;
	grid-template-columns: 6.5rem minmax(0, 1fr);
	gap: 1rem;
	padding: 0.8rem 0;
	border-top: 1px solid var(--border-hairline);
}

.facts div:first-child {
	border-top: 0;
	padding-top: 0.2rem;
}

.facts dt {
	color: var(--text-faint);
	font: 500 0.75rem/1.9 var(--font-mono);
	letter-spacing: 0.1em;
	text-transform: uppercase;
}

.facts dd {
	margin: 0;
	color: var(--text-muted);
	font-size: 0.9375rem;
}

.facts code {
	color: var(--text-default);
	overflow-wrap: anywhere;
}

.facts .key {
	margin-top: 0.6rem;
}

/* The way a book's index is set: dotted leaders to the description. */
.docs {
	list-style: none;
	margin: 0;
	padding: 0;
}

.docs a {
	display: flex;
	align-items: baseline;
	gap: 0.75rem;
	padding: 0.8rem 0;
	color: var(--text-strong);
	font-weight: 700;
	text-decoration: none;
}

.docs a:hover {
	color: var(--accent);
}

.docs em {
	font-style: normal;
	font-weight: 400;
	color: var(--text-muted);
	text-align: right;
}

.leader {
	flex: 1;
	min-width: 2rem;
	border-bottom: 1px dotted var(--border-strong);
	transform: translateY(-0.3em);
}

@media (max-width: 40rem) {
	.docs a {
		flex-wrap: wrap;
	}

	.leader {
		display: none;
	}

	.docs em {
		flex-basis: 100%;
		text-align: left;
	}
}

.foot {
	margin-top: 5rem;
	padding-top: 2rem;
	padding-bottom: calc(3rem + env(safe-area-inset-bottom, 0px));
	border-top: 1px solid var(--border-hairline);
	color: var(--text-faint);
	font-size: 0.875rem;
}

.foot p {
	max-width: 44rem;
	margin: 0 0 1rem;
}

.foot-links {
	display: flex;
	flex-wrap: wrap;
	gap: 1.5rem;
}

/* ── Degradation ────────────────────────────────────────────────────────── */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
	.glass {
		background-color: var(--bg-surface);
	}
}

@media (prefers-reduced-transparency: reduce) {
	.glass,
	.key {
		background-color: var(--bg-surface);
		background-image: none;
		-webkit-backdrop-filter: none;
		backdrop-filter: none;
	}

	.key--primary {
		background-color: var(--accent);
	}

	.room {
		display: none;
	}
}

@media (prefers-reduced-motion: reduce) {
	:root {
		transition: none;
	}

	html {
		scroll-behavior: auto;
	}

	.sleeve-turn,
	.key {
		transition: none;
	}
}

/* ── What it does differently ───────────────────────────────────────────── */
/* Three columns, each opened by a rule in the room's colour, with its values
   set as a small ledger in mono under the text. */
.pillars {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 2rem;
}

.pillar {
	display: flex;
	flex-direction: column;
	padding-top: 1.25rem;
	border-top: 2px solid var(--accent);
}

.pillar-label {
	display: flex;
	gap: 0.6rem;
	align-items: baseline;
	margin: 0 0 0.75rem;
	color: var(--accent);
	font: 600 0.8125rem/1 var(--font-mono);
	letter-spacing: 0.1em;
	text-transform: uppercase;
}

.pillar h3 {
	font-size: 1.375rem;
	line-height: 1.2;
	font-weight: var(--display-weight);
	letter-spacing: -0.02em;
}

.pillar p {
	color: var(--text-muted);
	margin: 0.75rem 0 1.25rem;
}

.pillar .route {
	margin: 1rem 0 0;
	color: var(--text-muted);
	font-size: 0.8125rem;
	overflow-x: auto;
}

.pillar .route b {
	color: var(--accent);
}

.pillar-facts {
	margin: auto 0 0;
}

.pillar-facts div {
	display: flex;
	justify-content: space-between;
	gap: 1rem;
	padding: 0.45rem 0;
	border-top: 1px solid var(--border-hairline);
	font-size: 0.8125rem;
}

.pillar-facts dt {
	color: var(--text-faint);
}

.pillar-facts dd {
	margin: 0;
	color: var(--text-default);
	font-family: var(--font-mono);
	font-variant-numeric: tabular-nums;
	text-align: right;
}

@media (max-width: 56rem) {
	.pillars {
		grid-template-columns: 1fr;
		gap: 2.5rem;
	}
}

/* ── Phones ─────────────────────────────────────────────────────────────── */
/* The captures run to the screen's edges, so the corners of a phone's screen
   are the frame. */
.phones {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 16rem)) minmax(0, 1fr);
	gap: 1.5rem;
	align-items: end;
	margin-top: 2.5rem;
}

.phone img {
	border-radius: 2rem;
}

.phones-text {
	align-self: center;
	max-width: 24rem;
	padding-left: 1rem;
}

.phones-text h3 {
	font-size: 1.375rem;
	font-weight: var(--display-weight);
	letter-spacing: -0.02em;
}

.phones-text p {
	color: var(--text-muted);
}

@media (max-width: 52rem) {
	.phones {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.phones-text {
		grid-column: 1 / -1;
		grid-row: 1;
		padding-left: 0;
	}
}

.credits {
	max-width: 48rem;
	margin: 2.5rem 0 0;
	color: var(--text-faint);
	font-size: 0.8125rem;
}