/* =========================================================================
   Eye Shape AI — "Aperture" design system
   A dark optical instrument: iris-black ground, amber instrument light.
   ========================================================================= */

/* --- 0. Font ----------------------------------------------------------- */

/* Archivo, self-hosted (SIL Open Font License). One variable file per subset
   carries both axes the design uses: weight 400 to 800 and width 62% to 125%.
   These are the same files Google Fonts served before, so the type looks the
   same, but the page no longer waits on a stylesheet from another host. */
@font-face {
	font-family: "Archivo";
	font-style: normal;
	font-weight: 400 800;
	font-stretch: 62% 125%;
	font-display: swap;
	src: url("../fonts/archivo-latin.2f7ea45bad3a.woff2") format("woff2");
	unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
	font-family: "Archivo";
	font-style: normal;
	font-weight: 400 800;
	font-stretch: 62% 125%;
	font-display: swap;
	src: url("../fonts/archivo-latin-ext.cde95d2797df.woff2") format("woff2");
	unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* --- 1. Tokens --------------------------------------------------------- */

:root {
	/* Surfaces: an iris seen in a dark room. Not neutral gray. */
	--pupil: oklch(0.135 0.03 288); /* page ground        #080614 */
	--limbal: oklch(0.185 0.034 288); /* alternate band     #121021 */
	--stroma: oklch(0.235 0.034 288); /* raised panel       #1d1b2d */
	--edge: oklch(0.32 0.032 288); /* decorative hairline #323042 */
	--edge-lit: oklch(0.5 0.038 288); /* functional border   #626078 */

	/* Light: what an ophthalmoscope shines into an eye. */
	--iris: oklch(0.795 0.152 74); /* accent             #f5ab35 */
	--iris-dim: oklch(0.62 0.12 68); /* accent, receded    #b57727 */
	--iris-deep: oklch(0.42 0.09 62); /* accent, structural */

	/* Ink */
	--catch: oklch(0.975 0.006 90); /* headlines  18.7:1 on pupil */
	--sclera: oklch(0.805 0.016 288); /* body       10.9:1 on pupil */
	--haze: oklch(0.68 0.02 288); /* muted       6.9:1 on pupil */
	--alarm: oklch(0.72 0.165 30); /* error       7.6:1 on pupil */

	/* Type */
	--sans: "Archivo", ui-sans-serif, system-ui, -apple-system, sans-serif;
	/* Readouts use the system monospace: one web font is the house rule. */
	--mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
	--wide: "wdth" 118;
	--narrow: "wdth" 92;

	--step-display: clamp(2.55rem, 1.35rem + 5.2vw, 5.4rem);
	--step-h2: clamp(2rem, 1.32rem + 2.7vw, 3.2rem);
	--step-h3: clamp(1.35rem, 1.14rem + 1.05vw, 1.85rem);
	--step-h4: clamp(1.1rem, 1.03rem + 0.34vw, 1.3rem);
	--step-lead: clamp(1.05rem, 0.98rem + 0.36vw, 1.25rem);
	--step-body: 1.0625rem;
	--step-small: 0.9rem;
	--step-label: 0.72rem;

	/* Space */
	--gap-band: clamp(4rem, 2rem + 8vw, 8.5rem);
	--gap-block: clamp(2rem, 1.2rem + 3vw, 3.75rem);
	--gutter: clamp(1.15rem, 0.6rem + 2.2vw, 2.5rem);
	--measure: 68ch;

	/* Motion */
	--out-quart: cubic-bezier(0.165, 0.84, 0.44, 1);
	--out-expo: cubic-bezier(0.16, 1, 0.3, 1);
	--sine: cubic-bezier(0.45, 0.05, 0.55, 0.95);
	--fast: 160ms;
	--mid: 260ms;

	/* Depth */
	--z-base: 0;
	--z-raised: 10;
	--z-sticky: 100;
	--z-nav: 200;
	--z-backdrop: 300;
	--z-modal: 400;
	--z-toast: 500;

	--radius: 4px;
	--radius-lg: 8px;
}

/* --- 2. Reset ---------------------------------------------------------- */

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

* {
	margin: 0;
}

html {
	-webkit-text-size-adjust: 100%;
	scroll-behavior: smooth;
	scroll-padding-top: 5.5rem;
}

body {
	min-height: 100vh;
	display: flex;
	flex-direction: column;
	background: var(--pupil);
	color: var(--sclera);
	font-family: var(--sans);
	font-size: var(--step-body);
	line-height: 1.65;
	font-variation-settings: "wdth" 100;
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
	overflow-x: hidden;
}

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

button,
input,
select,
textarea {
	font: inherit;
	color: inherit;
}

a {
	color: var(--iris);
	text-decoration-color: color-mix(in oklch, var(--iris) 40%, transparent);
	text-underline-offset: 0.22em;
	transition: color var(--fast) var(--out-quart);
}

a:hover {
	color: var(--catch);
	text-decoration-color: currentColor;
}

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

::selection {
	background: var(--iris);
	color: var(--pupil);
}

/* --- 3. Typography ----------------------------------------------------- */

h1,
h2,
h3,
h4 {
	color: var(--catch);
	font-weight: 700;
	line-height: 1.04;
	text-wrap: balance;
}

h1,
.display {
	font-size: var(--step-display);
	font-variation-settings: var(--wide);
	font-weight: 800;
	letter-spacing: -0.035em;
}

h2 {
	font-size: var(--step-h2);
	font-variation-settings: "wdth" 110;
	letter-spacing: -0.025em;
	line-height: 1.06;
}

h3 {
	font-size: var(--step-h3);
	letter-spacing: -0.015em;
	line-height: 1.16;
}

h4 {
	font-size: var(--step-h4);
	letter-spacing: -0.005em;
	line-height: 1.25;
}

p,
li {
	text-wrap: pretty;
}

/* A heading and the paragraph under it are always one unit. */
h1 + p,
h2 + p,
h3 + p,
h4 + p {
	margin-top: 0.9rem;
}

.lead {
	font-size: var(--step-lead);
	color: var(--sclera);
	line-height: 1.6;
}

.muted {
	color: var(--haze);
}

.measure {
	max-width: var(--measure);
}

.measure-tight {
	max-width: 52ch;
}

/* Monospace data labels. Used for readouts and units, never as section
   eyebrows — the numbers are the product, the labels name them. */
.label {
	font-family: var(--mono);
	font-size: var(--step-label);
	font-weight: 500;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--haze);
	font-variation-settings: "wdth" 87.5;
}

.label--lit {
	color: var(--iris);
}

.readout {
	font-family: var(--mono);
	font-variation-settings: "wdth" 87.5;
	font-weight: 500;
	font-size: var(--step-small);
	color: var(--catch);
	letter-spacing: 0.01em;
}

/* --- 4. Layout --------------------------------------------------------- */

.wrap {
	width: 100%;
	max-width: 1240px;
	margin-inline: auto;
	padding-inline: var(--gutter);
}

.wrap--narrow {
	max-width: 860px;
}

.band {
	padding-block: var(--gap-band);
	position: relative;
}

.band--tight {
	padding-block: var(--gap-block);
}

.band--limbal {
	background: var(--limbal);
}

.band + .band--limbal,
.band--limbal + .band {
	border-top: 1px solid var(--edge);
}

.stack > * + * {
	margin-top: var(--flow, 1.1rem);
}

main {
	flex: 1;
}

/* A hairline that carries the instrument grammar: a rule with a tick. */
.rule {
	border: 0;
	height: 1px;
	background: var(--edge);
	position: relative;
}

.rule::before {
	content: "";
	position: absolute;
	inset-block-start: -2px;
	inset-inline-start: 0;
	width: 34px;
	height: 5px;
	background: var(--iris);
}

/* --- 5. Navigation ----------------------------------------------------- */

.nav {
	position: sticky;
	top: 0;
	z-index: var(--z-nav);
	background: color-mix(in oklch, var(--pupil) 92%, transparent);
	border-bottom: 1px solid var(--edge);
	backdrop-filter: blur(14px);
	-webkit-backdrop-filter: blur(14px);
}

.nav__bar {
	display: flex;
	align-items: center;
	gap: 1.25rem;
	min-height: 4.25rem;
}

.nav__bar--centered {
	justify-content: center;
}

.brand {
	display: inline-flex;
	align-items: center;
	gap: 0.6rem;
	color: var(--catch);
	text-decoration: none;
	font-variation-settings: "wdth" 112;
	font-weight: 800;
	font-size: 1.0625rem;
	letter-spacing: -0.02em;
	white-space: nowrap;
}

.brand:hover {
	color: var(--catch);
}

.brand__mark {
	width: 26px;
	height: 26px;
	flex: none;
	color: var(--iris);
}

.brand em {
	font-style: normal;
	color: var(--iris);
}

.nav__links {
	display: flex;
	align-items: center;
	gap: 0.35rem;
	list-style: none;
	padding: 0;
	margin-inline-start: auto;
}

.nav__links a {
	display: block;
	padding: 0.5rem 0.75rem;
	color: var(--haze);
	font-size: var(--step-small);
	font-weight: 500;
	text-decoration: none;
	border-radius: var(--radius);
	transition: color var(--fast) var(--out-quart), background var(--fast) var(--out-quart);
}

.nav__links a:hover {
	color: var(--catch);
	background: var(--stroma);
}

.nav__toggle {
	display: none;
	margin-inline-start: auto;
	align-items: center;
	gap: 0.5rem;
	background: none;
	border: 1px solid var(--edge-lit);
	border-radius: var(--radius);
	color: var(--sclera);
	padding: 0.4rem 0.7rem;
	cursor: pointer;
	font-family: var(--mono);
	font-size: var(--step-label);
	letter-spacing: 0.08em;
	text-transform: uppercase;
}

.nav__toggle:hover {
	color: var(--catch);
	border-color: var(--iris);
}

@media (max-width: 780px) {
	.js .nav__toggle {
		display: inline-flex;
	}

	/* No-JS fallback: the links drop onto their own row instead of wrapping
	   around the wordmark. */
	.nav__bar {
		flex-wrap: wrap;
		row-gap: 0;
	}

	.nav__links {
		flex-wrap: wrap;
		width: 100%;
		margin-inline-start: 0;
		padding-block-end: 0.5rem;
	}

	.js .nav__bar {
		flex-wrap: nowrap;
	}

	.js .nav__links {
		display: none;
		width: auto;
		padding-block-end: 0;
		position: absolute;
		top: 100%;
		left: 0;
		right: 0;
		flex-direction: column;
		align-items: stretch;
		gap: 0;
		padding: 0.5rem var(--gutter) 1rem;
		background: var(--pupil);
		border-bottom: 1px solid var(--edge);
	}

	.js .nav__links[data-open="true"] {
		display: flex;
	}

	.js .nav__links a {
		padding: 0.75rem 0;
		border-bottom: 1px solid var(--edge);
		font-size: 1rem;
	}
}

/* --- 6. Buttons -------------------------------------------------------- */

.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.55rem;
	padding: 0.85rem 1.5rem;
	border: 1px solid transparent;
	border-radius: var(--radius);
	font-weight: 600;
	font-size: 0.95rem;
	letter-spacing: 0.01em;
	line-height: 1.2;
	max-width: 100%;
	min-width: 0;
	text-align: center;
	text-decoration: none;
	cursor: pointer;
	transition: background var(--fast) var(--out-quart), color var(--fast) var(--out-quart),
		border-color var(--fast) var(--out-quart), transform var(--fast) var(--out-quart);
}

.btn:active {
	transform: translateY(1px);
}

.btn[disabled],
.btn[aria-disabled="true"] {
	cursor: not-allowed;
	opacity: 0.45;
	transform: none;
}

.btn--primary {
	background: var(--iris);
	color: var(--pupil);
	font-weight: 700;
}

.btn--primary:hover:not([disabled]) {
	background: var(--catch);
	color: var(--pupil);
}

.btn--ghost {
	background: transparent;
	border-color: var(--edge-lit);
	color: var(--sclera);
}

.btn--ghost:hover {
	border-color: var(--iris);
	color: var(--catch);
	background: var(--stroma);
}

.btn--wide {
	width: 100%;
}

.btn__arrow {
	width: 1em;
	height: 1em;
	flex: none;
	transition: transform var(--mid) var(--out-expo);
}

.btn:hover .btn__arrow {
	transform: translateX(3px);
}

/* --- 7. Hero ----------------------------------------------------------- */

.hero {
	position: relative;
	padding-block: clamp(2.5rem, 1rem + 5vw, 5.5rem) var(--gap-band);
	overflow: hidden;
}

/* Faint landmark constellation behind the hero: the 12 points the
   scanner actually reads. Decorative, never a content dependency. */
.hero::before {
	content: "";
	position: absolute;
	inset: 0;
	background-image: radial-gradient(
		circle at 50% 42%,
		color-mix(in oklch, var(--iris) 9%, transparent),
		transparent 62%
	);
	pointer-events: none;
}

.hero__grid {
	position: relative;
	display: grid;
	gap: clamp(2rem, 1rem + 4vw, 4rem);
	align-items: center;
}

/* Grid and flex children default to min-width:auto, so one long unbroken string
   anywhere below here stretches the whole hero past the viewport. */
.hero__grid > * {
	min-width: 0;
}

@media (min-width: 900px) {
	.hero__grid {
		grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
	}
}

.hero__title {
	margin-bottom: 1.15rem;
}

.hero__sub {
	max-width: 46ch;
	margin-bottom: 2rem;
}

.hero__figure {
	display: flex;
	justify-content: center;
	order: -1;
}

@media (min-width: 900px) {
	.hero__figure {
		order: 0;
	}
}

/* --- 8. The aperture --------------------------------------------------- */

.aperture {
	width: min(132px, 40vw);
	height: auto;
	color: var(--iris);
	filter: drop-shadow(0 0 46px color-mix(in oklch, var(--iris) 22%, transparent));
}

@media (min-width: 900px) {
	.aperture {
		width: min(430px, 34vw);
	}
}

.aperture-slot {
	display: flex;
	justify-content: center;
}

.aperture-slot--compact .aperture {
	width: min(190px, 46vw);
}

.aperture__limbus {
	fill: none;
	stroke: var(--iris-dim);
	stroke-width: 1.5;
}

.aperture__ring {
	fill: none;
	stroke: var(--iris-deep);
	stroke-width: 1;
}

.aperture__fiber {
	stroke: var(--iris);
	stroke-width: 1.1;
	opacity: 0.8;
}

.aperture__blade {
	fill: none;
	stroke: var(--iris);
	stroke-width: 1;
	opacity: 0.28;
}

.aperture__tick {
	stroke: var(--edge-lit);
	stroke-width: 1.5;
}

/* The pupil holds still. It used to drift on loops that never ended (13s
   and 8s, plus a 13s glow on the fibres). A loop like that keeps the browser
   drawing about 60 new frames a second for as long as the page is open, and
   taps got slower while it ran: phone INP went over 200 ms in the weeks after
   the loops shipped. The one motion left is the light response below, which
   runs once when a photo lands. */
.aperture__drift,
.aperture__pupil {
	transform-origin: 130px 130px;
}

.aperture__pupil {
	fill: var(--pupil);
	transform: scale(0.9);
}

.aperture__catch {
	fill: var(--catch);
	opacity: 0.6;
	filter: blur(1.2px);
}

/* Light response: a hard constriction when a photo lands. */
.aperture.is-lit .aperture__pupil {
	transform: scale(0.58);
	transition: transform 420ms var(--out-expo);
}

.aperture.is-lit .aperture__blade {
	opacity: 0.6;
}

/* --- 9. The instrument panel (upload) ---------------------------------- */

.panel {
	min-width: 0;
	background: var(--stroma);
	border: 1px solid var(--edge);
	border-radius: var(--radius-lg);
	padding: clamp(1rem, 0.6rem + 1.4vw, 1.5rem);
}

.drop {
	position: relative;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 0.65rem;
	min-width: 0;
	min-height: 168px;
	padding: 1.5rem 1rem;
	border: 1px dashed var(--edge-lit);
	border-radius: var(--radius);
	background: color-mix(in oklch, var(--pupil) 55%, transparent);
	text-align: center;
	cursor: pointer;
	transition: border-color var(--mid) var(--out-quart), background var(--mid) var(--out-quart);
}

.drop:hover,
.drop:focus-within {
	border-color: var(--iris);
	background: color-mix(in oklch, var(--pupil) 30%, transparent);
}

.drop.is-dragging {
	border-color: var(--iris);
	border-style: solid;
	background: color-mix(in oklch, var(--iris) 8%, var(--pupil));
}

.drop input[type="file"] {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	opacity: 0;
	cursor: pointer;
}

/* Corner brackets: the viewfinder framing an instrument uses. */
.drop__corner {
	position: absolute;
	width: 14px;
	height: 14px;
	border: 1px solid var(--iris);
	pointer-events: none;
	opacity: 0.7;
}

.drop__corner--tl {
	top: 8px;
	left: 8px;
	border-right: 0;
	border-bottom: 0;
}

.drop__corner--tr {
	top: 8px;
	right: 8px;
	border-left: 0;
	border-bottom: 0;
}

.drop__corner--bl {
	bottom: 8px;
	left: 8px;
	border-right: 0;
	border-top: 0;
}

.drop__corner--br {
	bottom: 8px;
	right: 8px;
	border-left: 0;
	border-top: 0;
}

.drop__title {
	max-width: 100%;
	color: var(--catch);
	font-weight: 600;
	font-size: 1rem;
	overflow-wrap: anywhere;
}

.drop__hint {
	max-width: 100%;
	color: var(--haze);
	font-size: var(--step-small);
	overflow-wrap: anywhere;
}

.drop__preview {
	display: none;
}

.drop.has-file .drop__preview {
	display: block;
}

.drop__preview img {
	width: 108px;
	height: 108px;
	object-fit: cover;
	border-radius: var(--radius);
	border: 1px solid var(--iris);
}

.drop.has-file .drop__title {
	color: var(--iris);
}

.panel__foot {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.85rem;
	min-width: 0;
	margin-top: 1rem;
}

.panel__status {
	flex: 1 1 12rem;
	min-width: 0;
	display: flex;
	align-items: center;
	gap: 0.55rem;
	overflow: hidden;
}

.panel__status .label {
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.panel__foot .btn {
	flex: 0 0 auto;
}

@media (max-width: 520px) {
	.panel__foot .btn {
		flex: 1 1 100%;
	}
}

/* Status lamp */
.lamp {
	width: 7px;
	height: 7px;
	flex: none;
	border-radius: 50%;
	background: var(--edge-lit);
	transition: background var(--mid) var(--out-quart), box-shadow var(--mid) var(--out-quart);
}

.lamp[data-state="ready"] {
	background: var(--iris);
	box-shadow: 0 0 10px color-mix(in oklch, var(--iris) 70%, transparent);
}

.lamp[data-state="busy"] {
	background: var(--iris);
	animation: blink 1.1s steps(1, end) infinite;
}

.lamp[data-state="error"] {
	background: var(--alarm);
	box-shadow: 0 0 10px color-mix(in oklch, var(--alarm) 70%, transparent);
}

@keyframes blink {
	0%,
	49% {
		opacity: 1;
	}
	50%,
	100% {
		opacity: 0.25;
	}
}

.spinner {
	width: 1em;
	height: 1em;
	border: 2px solid color-mix(in oklch, var(--pupil) 40%, transparent);
	border-top-color: var(--pupil);
	border-radius: 50%;
	animation: spin 700ms linear infinite;
}

@keyframes spin {
	to {
		transform: rotate(360deg);
	}
}

/* --- 10. Notices ------------------------------------------------------- */

.notice {
	display: flex;
	gap: 0.75rem;
	align-items: flex-start;
	padding: 0.85rem 1rem;
	margin-bottom: 1rem;
	border: 1px solid color-mix(in oklch, var(--alarm) 50%, transparent);
	border-radius: var(--radius);
	background: color-mix(in oklch, var(--alarm) 10%, var(--pupil));
	color: var(--catch);
	font-size: var(--step-small);
	line-height: 1.5;
}

.notice svg {
	flex: none;
	width: 1.15rem;
	height: 1.15rem;
	color: var(--alarm);
	margin-top: 0.1rem;
}

/* --- 11. Bipolar axis readout ------------------------------------------ */
/* The measurement is bipolar (round <-> almond), so the instrument is a
   scale with a marker, not a bar that fills from the left. */

.axis {
	padding-block: clamp(1.4rem, 1rem + 1.2vw, 2rem);
	border-top: 1px solid var(--edge);
}

.axis__head {
	display: flex;
	flex-wrap: wrap;
	align-items: baseline;
	justify-content: space-between;
	gap: 0.5rem 1rem;
	margin-bottom: 1.1rem;
}

.axis__name {
	font-family: var(--sans);
	font-variation-settings: "wdth" 110;
	font-weight: 700;
	font-size: var(--step-h4);
	color: var(--catch);
	letter-spacing: -0.01em;
}

.axis__verdict {
	font-family: var(--mono);
	font-variation-settings: "wdth" 87.5;
	font-size: var(--step-small);
	font-weight: 600;
	color: var(--iris);
	letter-spacing: 0.02em;
}

.axis__strength {
	color: var(--haze);
	font-weight: 400;
}

.axis__strength::before {
	content: "\00b7";
	margin-inline-end: 0.4em;
}

/* `.axis__seek` is track-width and slides by a percentage of itself, so its box
   hangs off the right by up to a full track width. Unclipped that widens the
   document and drags the fixed offer bar out with it. The clip margin keeps the
   marker's glow from being cut at the extremes. */
.axis__scale {
	position: relative;
	height: 46px;
	overflow: clip;
	overflow-clip-margin: 12px;
}

.axis__track {
	position: absolute;
	inset-block-start: 21px;
	inset-inline: 0;
	height: 2px;
	background: var(--edge);
}

/* One tick per tenth of the scale. No background-size here: it would tile the
   repeating gradient inside each tile and multiply the tick count. */
.axis__ticks {
	position: absolute;
	inset-block-start: 14px;
	inset-inline: 0;
	height: 16px;
	background-image: repeating-linear-gradient(to right, var(--edge-lit) 0 1px, transparent 1px 10%);
}

.axis__mid {
	position: absolute;
	inset-block: 6px;
	inset-inline-start: 50%;
	width: 1px;
	background: var(--edge-lit);
}

/* The needle seeks its reading on load. `.axis__seek` spans the full track,
   so a percentage translateX resolves against the track width and the whole
   motion stays on the compositor. */
.axis__seek {
	position: absolute;
	inset: 0;
	transform: translateX(var(--pos, 50%));
	animation: seek 900ms var(--out-expo) both;
	pointer-events: none;
}

.axis__needle {
	position: absolute;
	inset-block: 0;
	inset-inline-start: -1px;
	width: 2px;
	background: var(--iris);
	box-shadow: 0 0 14px color-mix(in oklch, var(--iris) 60%, transparent);
}

.axis__needle::after {
	content: "";
	position: absolute;
	inset-block-start: 15px;
	inset-inline-start: 50%;
	width: 14px;
	height: 14px;
	border-radius: 50%;
	background: var(--iris);
	transform: translateX(-50%);
	box-shadow: 0 0 0 4px color-mix(in oklch, var(--iris) 18%, transparent);
}

@keyframes seek {
	from {
		transform: translateX(50%);
	}
}

.axis__poles {
	display: flex;
	justify-content: space-between;
	gap: 1rem;
	margin-top: 0.35rem;
}

.axis__pole {
	font-family: var(--mono);
	font-variation-settings: "wdth" 87.5;
	font-size: var(--step-label);
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--haze);
}

.axis__pole.is-hit {
	color: var(--catch);
}

.axis__note {
	margin-top: 1rem;
	max-width: 62ch;
	color: var(--haze);
	font-size: var(--step-small);
	line-height: 1.6;
}

/* --- 12. Spec grid (the six shapes) ------------------------------------ */
/* A ruled contact sheet, not a stack of cards. */

/* Six cells, so the column count is pinned to divisors of six. auto-fit would
   land on four at desktop width and leave two dead cells. */
.spec {
	display: grid;
	gap: 1px;
	background: var(--edge);
	border: 1px solid var(--edge);
	border-radius: var(--radius-lg);
	overflow: hidden;
	grid-template-columns: 1fr;
}

@media (min-width: 620px) {
	.spec {
		grid-template-columns: repeat(2, 1fr);
	}
}

@media (min-width: 1000px) {
	.spec {
		grid-template-columns: repeat(3, 1fr);
	}
}

.spec__cell {
	background: var(--pupil);
	padding: clamp(1.25rem, 0.9rem + 1.2vw, 1.9rem);
	display: flex;
	flex-direction: column;
	gap: 0.7rem;
	transition: background var(--mid) var(--out-quart);
}

.spec__cell:hover {
	background: var(--limbal);
}

.spec__figure {
	width: 100%;
	max-width: 210px;
	color: var(--sclera);
	margin-bottom: 0.35rem;
}

.spec__cell h3 {
	font-size: var(--step-h4);
	font-variation-settings: "wdth" 110;
}

.spec__cell p {
	font-size: var(--step-small);
	color: var(--haze);
	line-height: 1.6;
	margin: 0;
}

/* Eye diagram internals. Lids and iris in ink, measurement geometry in amber:
   solid caliper = the quantity read, dashed = the reference it is compared to. */
.dia__lid {
	fill: none;
	stroke: currentColor;
	stroke-width: 2.4;
	stroke-linecap: round;
}

.dia__iris {
	fill: none;
	stroke: currentColor;
	stroke-width: 1.8;
	opacity: 0.75;
}

.dia__pupil {
	fill: currentColor;
}

.dia__guide {
	fill: none;
	stroke: var(--iris);
	stroke-width: 1.4;
	stroke-dasharray: 4 4;
}

.dia__caliper {
	fill: none;
	stroke: var(--iris);
	stroke-width: 1.4;
}

.dia__ext {
	fill: none;
	stroke: var(--iris);
	stroke-width: 1;
	stroke-dasharray: 3 4;
	opacity: 0.3;
}

/* --- 13. Measured-axis explainer --------------------------------------- */

.reads {
	display: grid;
	gap: 0;
}

.read {
	display: grid;
	gap: 1rem 2.5rem;
	padding-block: clamp(1.6rem, 1.1rem + 1.6vw, 2.4rem);
	border-top: 1px solid var(--edge);
	align-items: center;
}

@media (min-width: 760px) {
	.read {
		grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
	}
}

.read__body p {
	color: var(--haze);
	font-size: var(--step-small);
	max-width: 48ch;
}

/* Three short notes, ruled rather than boxed. */
.uses {
	display: grid;
	gap: 0 clamp(1.5rem, 1rem + 2.5vw, 3.25rem);
	grid-template-columns: 1fr;
}

@media (min-width: 780px) {
	.uses {
		grid-template-columns: repeat(3, 1fr);
	}
}

.use {
	border-block-start: 1px solid var(--edge);
	padding-block: 1.35rem 1.6rem;
}

.use h3 {
	font-size: var(--step-h4);
	margin-bottom: 0.6rem;
}

.use p {
	margin: 0;
	color: var(--haze);
	font-size: var(--step-small);
	line-height: 1.65;
}

/* --- 14. FAQ ----------------------------------------------------------- */

/* Left-aligned inside the wide container so the gutter matches every other
   section, but capped so the rows never stretch to a 1240px accordion. */
.faq {
	max-width: 800px;
	border-block-end: 1px solid var(--edge);
}

.qa {
	border-block-start: 1px solid var(--edge);
}

.qa > summary {
	display: flex;
	align-items: flex-start;
	gap: 1rem;
	padding-block: 1.15rem;
	cursor: pointer;
	list-style: none;
	color: var(--catch);
	font-weight: 600;
	font-size: 1.05rem;
	line-height: 1.4;
	transition: color var(--fast) var(--out-quart);
}

.qa > summary::-webkit-details-marker {
	display: none;
}

.qa > summary:hover {
	color: var(--iris);
}

.qa > summary::after {
	content: "+";
	margin-inline-start: auto;
	flex: none;
	font-family: var(--mono);
	font-size: 1.05rem;
	line-height: 1.3;
	color: var(--iris);
	transition: transform var(--mid) var(--out-expo);
}

.qa[open] > summary::after {
	transform: rotate(135deg);
}

.qa__body {
	padding-block-end: 1.35rem;
	max-width: var(--measure);
	color: var(--haze);
	font-size: var(--step-small);
	line-height: 1.7;
}

/* --- 15. Ruled link list (cross-promotion, blog index) ------------------ */

.links {
	border-block-end: 1px solid var(--edge);
}

.links__item {
	display: flex;
	align-items: center;
	gap: 1rem;
	padding-block: 1rem;
	border-block-start: 1px solid var(--edge);
	color: var(--sclera);
	text-decoration: none;
	transition: color var(--fast) var(--out-quart), transform var(--mid) var(--out-expo);
}

.links__item:hover {
	color: var(--catch);
	transform: translateX(6px);
}

.links__item img,
.links__item .links__glyph {
	width: 30px;
	height: 30px;
	flex: none;
	object-fit: contain;
}

.links__text {
	min-width: 0;
}

.links__text strong {
	display: block;
	font-weight: 600;
	font-size: 1rem;
	color: inherit;
	line-height: 1.3;
}

.links__text span {
	display: block;
	font-size: var(--step-small);
	color: var(--haze);
}

.links__item svg.links__arrow {
	width: 1rem;
	height: 1rem;
	flex: none;
	margin-inline-start: auto;
	color: var(--iris);
	transition: transform var(--mid) var(--out-expo);
}

.links__item:hover svg.links__arrow {
	transform: translateX(4px);
}

/* --- 16. Result page --------------------------------------------------- */

.verdict {
	display: grid;
	gap: clamp(1.75rem, 1rem + 3vw, 3.5rem);
	align-items: center;
}

@media (min-width: 820px) {
	.verdict {
		grid-template-columns: auto minmax(0, 1fr);
	}
}

.plate {
	position: relative;
	justify-self: center;
	padding: 14px;
}

.plate__img {
	width: min(230px, 62vw);
	height: auto;
	aspect-ratio: 1;
	object-fit: cover;
	border-radius: var(--radius);
	filter: saturate(1.02);
}

.plate__corner {
	position: absolute;
	width: 20px;
	height: 20px;
	border: 1.5px solid var(--iris);
}

.plate__corner--tl {
	top: 0;
	left: 0;
	border-right: 0;
	border-bottom: 0;
}

.plate__corner--tr {
	top: 0;
	right: 0;
	border-left: 0;
	border-bottom: 0;
}

.plate__corner--bl {
	bottom: 0;
	left: 0;
	border-right: 0;
	border-top: 0;
}

.plate__corner--br {
	bottom: 0;
	right: 0;
	border-left: 0;
	border-top: 0;
}

.verdict__name {
	font-size: clamp(2.1rem, 1.2rem + 3.6vw, 3.9rem);
	font-variation-settings: var(--wide);
	font-weight: 800;
	letter-spacing: -0.035em;
	line-height: 1;
	color: var(--catch);
	margin-block: 0.5rem 0.7rem;
}

.verdict__modifier {
	color: var(--iris);
}

/* --- 17. Sticky offer bar ---------------------------------------------- */

.offer {
	position: fixed;
	inset-inline: 0;
	inset-block-end: 0;
	z-index: var(--z-sticky);
	background: color-mix(in oklch, var(--limbal) 96%, transparent);
	backdrop-filter: blur(16px);
	-webkit-backdrop-filter: blur(16px);
	border-block-start: 1px solid var(--edge-lit);
	padding: 0.75rem var(--gutter);
	padding-block-end: max(0.75rem, env(safe-area-inset-bottom));
}

.offer__inner {
	max-width: 1240px;
	margin-inline: auto;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 1rem;
}

.offer__text {
	margin: 0;
	font-size: var(--step-small);
	color: var(--sclera);
	line-height: 1.4;
}

.offer .btn {
	flex: none;
	padding-block: 0.6rem;
	white-space: nowrap;
}

@media (max-width: 640px) {
	.offer__inner {
		flex-direction: column;
		align-items: stretch;
		gap: 0.6rem;
		text-align: center;
	}

	.offer .btn {
		width: 100%;
	}
}

.has-offer {
	padding-block-end: 8.5rem;
}

/* --- 18. Prose (blog, legal) ------------------------------------------- */

/* Legal and blog copy contains bare URLs, which are single unbreakable words
   wider than a phone. Break them rather than let them widen the document. */
.prose {
	max-width: var(--measure);
	color: var(--sclera);
	overflow-wrap: break-word;
}

.prose a {
	overflow-wrap: anywhere;
}

.prose > * + * {
	margin-top: 1.15rem;
}

.prose h1 {
	font-size: var(--step-h2);
	font-variation-settings: "wdth" 110;
	margin-top: 0;
}

.prose h2 {
	font-size: var(--step-h3);
	margin-top: 2.75rem;
}

.prose h3 {
	font-size: var(--step-h4);
	margin-top: 2rem;
}

.prose ul,
.prose ol {
	padding-inline-start: 1.25rem;
}

.prose li + li {
	margin-top: 0.4rem;
}

.prose li::marker {
	color: var(--iris);
}

.prose img {
	border-radius: var(--radius-lg);
	border: 1px solid var(--edge);
	width: 100%;
}

.prose a {
	font-weight: 500;
}

.prose table {
	width: 100%;
	border-collapse: collapse;
	font-size: var(--step-small);
	display: block;
	overflow-x: auto;
}

.prose td,
.prose th {
	border: 1px solid var(--edge);
	padding: 0.5rem 0.7rem;
	text-align: left;
}

.prose .index {
	columns: 2;
	column-gap: 2rem;
	font-size: var(--step-small);
}

@media (max-width: 640px) {
	.prose .index {
		columns: 1;
	}
}

.figure-pair {
	display: grid;
	gap: 1.5rem;
	align-items: start;
}

@media (min-width: 700px) {
	.figure-pair {
		grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
	}
}

/* The prose flow rhythm stops at .prose's direct children, so restore it
   inside the text column of a figure pair. */
.figure-pair > div > * + * {
	margin-top: 1.15rem;
}

.figure-pair .spec__figure {
	max-width: none;
	width: 100%;
	padding: 1rem;
	background: var(--limbal);
	border: 1px solid var(--edge);
	border-radius: var(--radius-lg);
}

/* --- 19. Ad slots ------------------------------------------------------ */
/* Ad creatives are mostly light. Give them a deliberate frame so they read
   as inserts rather than as holes in the page. */

/* An unfilled slot must contribute nothing: the frame and the spacing both
   hang off :not(:empty), so a slot Ezoic never fills leaves no gap behind. */
.ad > div:not(:empty) {
	margin-block: var(--gap-block);
	padding: 0.75rem;
	background: var(--limbal);
	border: 1px solid var(--edge);
	border-radius: var(--radius-lg);
	overflow: hidden;
	display: flex;
	justify-content: center;
}

/* --- 20. Footer -------------------------------------------------------- */

.foot {
	margin-top: auto;
	border-block-start: 1px solid var(--edge);
	background: var(--limbal);
	padding-block: 2.5rem;
}

.foot__inner {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 1.25rem;
}

.foot__links {
	display: flex;
	flex-wrap: wrap;
	gap: 0.35rem 1.5rem;
	list-style: none;
	padding: 0;
	margin: 0;
}

.foot__links a {
	color: var(--haze);
	font-size: var(--step-small);
	text-decoration: none;
}

.foot__links a:hover {
	color: var(--catch);
}

.foot__note {
	width: 100%;
	color: var(--haze);
	font-size: var(--step-label);
	font-family: var(--mono);
	font-variation-settings: "wdth" 87.5;
	letter-spacing: 0.04em;
	line-height: 1.7;
}

/* --- 21. Cookie banner -------------------------------------------------- */

.cb-backdrop {
	position: fixed;
	inset: 0;
	z-index: var(--z-backdrop);
	background: color-mix(in oklch, var(--pupil) 82%, transparent);
	backdrop-filter: blur(6px);
	-webkit-backdrop-filter: blur(6px);
	display: none;
	align-items: center;
	justify-content: center;
	padding: var(--gutter);
	overflow-y: auto;
}

.cb-backdrop.is-open {
	display: flex;
}

.cb-panel {
	position: relative;
	z-index: var(--z-modal);
	width: min(600px, 100%);
	max-height: 88vh;
	overflow-y: auto;
	background: var(--stroma);
	border: 1px solid var(--edge-lit);
	border-radius: var(--radius-lg);
	padding: clamp(1.25rem, 1rem + 1.4vw, 2rem);
}

.cb-group {
	border-block-start: 1px solid var(--edge);
	padding-block: 1rem;
}

.cb-group h4 {
	font-size: 1rem;
	margin: 0;
}

.cb-group p {
	font-size: var(--step-small);
	color: var(--haze);
	margin: 0.3rem 0 0;
}

.cb-switch {
	display: flex;
	align-items: center;
	gap: 0.7rem;
}

.cb-switch input {
	appearance: none;
	width: 38px;
	height: 21px;
	flex: none;
	border-radius: 999px;
	background: var(--edge-lit);
	position: relative;
	cursor: pointer;
	transition: background var(--fast) var(--out-quart);
}

.cb-switch input::after {
	content: "";
	position: absolute;
	top: 3px;
	left: 3px;
	width: 15px;
	height: 15px;
	border-radius: 50%;
	background: var(--catch);
	transition: transform var(--mid) var(--out-expo);
}

.cb-switch input:checked {
	background: var(--iris);
}

.cb-switch input:checked::after {
	transform: translateX(17px);
}

.cb-switch input:disabled {
	cursor: not-allowed;
	opacity: 0.65;
}

.cb-detail {
	font-size: var(--step-label);
	font-family: var(--mono);
	color: var(--haze);
	margin-top: 0.5rem;
}

.cb-detail td {
	padding: 0.2rem 0.5rem 0.2rem 0;
	vertical-align: top;
	line-height: 1.6;
}

.cb-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
	margin-top: 1.5rem;
}

.cb-actions .btn {
	flex: 1 1 12rem;
}

/* --- 22. Utility ------------------------------------------------------- */

.center {
	text-align: center;
}

.mx-auto {
	margin-inline: auto;
}

.hidden {
	display: none !important;
}

.visually-hidden {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.cluster {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
}

/* --- 23. Reduced motion ------------------------------------------------ */

@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}

	*,
	*::before,
	*::after {
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.01ms !important;
	}

	.axis__seek {
		animation: none;
	}

	.spinner {
		animation: none;
		border-top-color: transparent;
		border-right-color: var(--pupil);
	}

	.lamp[data-state="busy"] {
		animation: none;
	}
}