/* esmobg.github.io – shares its design system with the Accessibility Guardian website.
   Every text/background pair meets WCAG AA in both themes. */

/* Brand colours come from the logo (#2356EB). */
:root {
	color-scheme: light;
	--brand: #2356eb;
	--bg: #ffffff;
	--surface: #f5f7fc;
	--card: #ffffff;
	--text: #141b2d;
	--muted: #4d5872;
	--accent: #2356eb;
	--accent-contrast: #ffffff;
	--accent-soft: #eaf0ff;
	--accent-soft-text: #1a3fb8;
	--border: #dbe2ef;
	--ui-border: #8090ad;
	--focus: #0d1b4d;
	--focus-halo: #ffffff;
	--shadow: 0 1px 2px rgba(13, 27, 77, 0.06), 0 8px 24px rgba(13, 27, 77, 0.08);
	--header-bg: rgba(255, 255, 255, 0.86);
	--logo: #2356eb;
	--code-bg: #0d1b4d;
	--code-text: #e8edf7;

	/* Hero and final call-to-action: deep brand blue in both themes. */
	--hero-bg: #0d1b4d;
	--hero-bg-2: #1d3fae;
	--hero-text: #ffffff;
	--hero-muted: #d3defa;
	--hero-accent: #c9d8ff;
	--hero-button-bg: #ffffff;
	--hero-button-text: #2356eb;
	--hero-border: #c9d8ff;

	--radius: 14px;
	--radius-sm: 8px;
	--font: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Roboto, Arial, sans-serif;
	--mono: ui-monospace, "Cascadia Code", "SF Mono", Menlo, Consolas, monospace;
}

/* Dark tokens: system preference (no explicit choice) or explicit toggle. */
@media (prefers-color-scheme: dark) {
	:root:not([data-theme="light"]) {
		color-scheme: dark;
		--bg: #0b1220;
		--surface: #121c2e;
		--card: #121c2e;
		--text: #e8edf7;
		--muted: #a9b6cc;
		--accent: #8fb0ff;
		--accent-contrast: #08122b;
		--accent-soft: #16264a;
		--accent-soft-text: #b8ccff;
		--border: #26344d;
		--ui-border: #7d8fb0;
		--focus: #ffd166;
		--focus-halo: #0b1220;
		--shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 10px 28px rgba(0, 0, 0, 0.35);
		--header-bg: rgba(11, 18, 32, 0.86);
		--logo: #ffffff;
		--code-bg: #070c16;
	}
}

:root[data-theme="dark"] {
	color-scheme: dark;
	--bg: #0b1220;
	--surface: #121c2e;
	--card: #121c2e;
	--text: #e8edf7;
	--muted: #a9b6cc;
	--accent: #8fb0ff;
	--accent-contrast: #08122b;
	--accent-soft: #16264a;
	--accent-soft-text: #b8ccff;
	--border: #26344d;
	--ui-border: #7d8fb0;
	--focus: #ffd166;
	--focus-halo: #0b1220;
	--shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 10px 28px rgba(0, 0, 0, 0.35);
	--header-bg: rgba(11, 18, 32, 0.86);
	--logo: #ffffff;
	--code-bg: #070c16;
}

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

html {
	scroll-behavior: smooth;
	scroll-padding-top: 5rem;
	-webkit-text-size-adjust: 100%;
}

body {
	margin: 0;
	background: var(--bg);
	color: var(--text);
	font-family: var(--font);
	font-size: 1.0625rem;
	line-height: 1.65;
}

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

a {
	color: var(--accent);
	text-decoration-thickness: 0.08em;
	text-underline-offset: 0.18em;
}

a:hover {
	text-decoration-thickness: 0.14em;
}

:focus-visible {
	outline: 3px solid var(--focus);
	outline-offset: 3px;
	box-shadow: 0 0 0 6px var(--focus-halo);
	border-radius: 4px;
}

main:focus {
	outline: none;
}

code {
	font-family: var(--mono);
	font-size: 0.9em;
	padding: 0.1em 0.35em;
	border-radius: 5px;
	background: var(--accent-soft);
	color: var(--accent-soft-text);
	overflow-wrap: anywhere;
}

h1,
h2,
h3 {
	line-height: 1.2;
	letter-spacing: -0.015em;
	margin: 0 0 0.6em;
}

h2 {
	font-size: clamp(1.7rem, 1.2rem + 1.6vw, 2.4rem);
}

h3 {
	font-size: 1.2rem;
}

p {
	margin: 0 0 1em;
}

.container {
	width: min(1180px, 100% - 2.5rem);
	margin-inline: auto;
}

.container--narrow {
	width: min(820px, 100% - 2.5rem);
}

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

/* Skip link. */
.skip-link {
	position: absolute;
	top: 0.75rem;
	left: 0.75rem;
	z-index: 100;
	padding: 0.75rem 1.1rem;
	border-radius: var(--radius-sm);
	background: var(--accent);
	color: var(--accent-contrast);
	font-weight: 700;
	transform: translateY(-200%);
}

.skip-link:focus {
	transform: none;
}

/* Header. */
.site-header {
	position: sticky;
	top: 0;
	z-index: 50;
	background: var(--bg);
	border-bottom: 1px solid var(--border);
}

@supports (backdrop-filter: blur(12px)) {
	.site-header {
		background: var(--header-bg);
		backdrop-filter: saturate(160%) blur(12px);
	}
}

.site-header__inner {
	display: flex;
	align-items: center;
	gap: 1rem 1.5rem;
	min-height: 4rem;
	flex-wrap: wrap;
}

.brand {
	display: inline-flex;
	align-items: center;
	gap: 0.6rem;
	min-height: 44px;
	color: var(--text);
	font-weight: 700;
	text-decoration: none;
}

.brand img {
	width: 36px;
	height: 36px;
}

.site-nav {
	margin-left: auto;
}

.site-nav ul,
.site-footer ul {
	display: flex;
	flex-wrap: wrap;
	gap: 0.25rem 0.4rem;
	margin: 0;
	padding: 0;
	list-style: none;
}

.site-nav a {
	display: inline-flex;
	align-items: center;
	min-height: 44px;
	padding: 0 0.7rem;
	border-radius: var(--radius-sm);
	color: var(--text);
	font-weight: 600;
	font-size: 0.95rem;
	text-decoration: none;
}

.site-nav a:hover {
	background: var(--surface);
	text-decoration: underline;
}

/* Language switcher and theme toggle stay together on the right. */
.header-tools {
	display: flex;
	align-items: center;
	gap: 0.6rem;
}

/* Language switcher: full language names, current language highlighted. */
.lang-switch ul {
	display: flex;
	gap: 0.2rem;
	margin: 0;
	padding: 0.2rem;
	border: 1px solid var(--ui-border);
	border-radius: 999px;
	list-style: none;
}

.lang-switch a {
	display: inline-flex;
	align-items: center;
	min-height: 40px;
	padding: 0 0.8rem;
	border-radius: 999px;
	color: var(--text);
	font-size: 0.92rem;
	font-weight: 600;
	text-decoration: none;
}

.lang-switch a:hover {
	text-decoration: underline;
}

.lang-switch a[aria-current="page"] {
	background: var(--accent-soft);
	color: var(--accent-soft-text);
}

.theme-toggle {
	display: inline-flex;
	align-items: center;
	gap: 0.45rem;
	min-height: 44px;
	padding: 0 0.9rem;
	border: 1px solid var(--ui-border);
	border-radius: 999px;
	background: transparent;
	color: var(--text);
	font: inherit;
	font-size: 0.95rem;
	font-weight: 600;
	cursor: pointer;
}

.theme-toggle:hover {
	background: var(--surface);
}

/* Icon-only toggle; the visually hidden text remains its accessible name. */
.theme-toggle {
	width: 44px;
	padding: 0;
	justify-content: center;
}

.theme-toggle span {
	position: absolute;
	width: 1px;
	height: 1px;
	margin: -1px;
	overflow: hidden;
	clip: rect(0 0 0 0);
	white-space: nowrap;
}

/* Buttons. */
.cta {
	display: flex;
	flex-wrap: wrap;
	gap: 0.85rem;
	margin: 1.75rem 0 1rem;
}

.cta--center {
	justify-content: center;
}

.button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.55rem;
	min-height: 52px;
	padding: 0.7rem 1.4rem;
	border: 2px solid transparent;
	border-radius: 999px;
	font-weight: 700;
	text-decoration: none;
	transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.button--primary {
	background: var(--hero-accent);
	color: var(--hero-button-text);
	box-shadow: 0 8px 24px rgba(201, 216, 255, 0.28);
}

.button--primary:hover {
	transform: translateY(-1px);
	box-shadow: 0 12px 28px rgba(201, 216, 255, 0.38);
}

.button--ghost {
	border-color: var(--hero-border);
	color: var(--hero-text);
}

.button--ghost:hover {
	background: rgba(255, 255, 255, 0.08);
}

.button__meta {
	font-weight: 500;
	opacity: 0.85;
}

/* Hero (always dark). */
.hero {
	position: relative;
	overflow: hidden;
	padding: clamp(3rem, 2rem + 4vw, 6rem) 0 clamp(3.5rem, 2rem + 5vw, 7rem);
	background:
		radial-gradient(60rem 30rem at 85% -10%, rgba(35, 86, 235, 0.22), transparent 60%),
		radial-gradient(40rem 24rem at -10% 110%, rgba(124, 196, 255, 0.14), transparent 60%),
		linear-gradient(160deg, var(--hero-bg) 0%, var(--hero-bg-2) 100%);
	color: var(--hero-text);
}

.hero :focus-visible,
.final-cta :focus-visible {
	outline-color: #ffd166;
	box-shadow: 0 0 0 6px #13202f;
}

.hero a:not(.button) {
	color: var(--hero-accent);
}

.hero__inner {
	display: grid;
	grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
	gap: clamp(2rem, 1rem + 3vw, 4rem);
	align-items: center;
}

.eyebrow {
	display: inline-block;
	margin: 0 0 1rem;
	padding: 0.3rem 0.85rem;
	border: 1px solid rgba(201, 216, 255, 0.5);
	border-radius: 999px;
	background: rgba(201, 216, 255, 0.08);
	color: #c9d8ff;
	font-size: 0.85rem;
	font-weight: 700;
	letter-spacing: 0.04em;
	text-transform: uppercase;
}

.eyebrow--section {
	border-color: transparent;
	background: var(--accent-soft);
	color: var(--accent-soft-text);
}

.hero h1 {
	font-size: clamp(2.1rem, 1.4rem + 2.6vw, 3.25rem);
	line-height: 1.08;
	letter-spacing: -0.025em;
	margin-bottom: 1.2rem;
}

.accent {
	color: var(--hero-accent);
}

.lead {
	max-width: 38rem;
	color: var(--hero-muted);
	font-size: clamp(1.08rem, 1rem + 0.4vw, 1.25rem);
}

.lead strong {
	color: var(--hero-text);
}

.hero__note {
	max-width: 36rem;
	color: var(--hero-muted);
	font-size: 0.95rem;
}

.pills {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	margin: 1.25rem 0 0;
	padding: 0;
	list-style: none;
}

.pills li {
	padding: 0.3rem 0.8rem;
	border: 1px solid rgba(201, 214, 227, 0.4);
	border-radius: 999px;
	color: var(--hero-muted);
	font-size: 0.9rem;
	font-weight: 600;
}

.hero__visual {
	position: relative;
}

.window {
	overflow: hidden;
	border: 1px solid rgba(201, 214, 227, 0.25);
	border-radius: var(--radius);
	background: #0b131b;
	box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(255, 255, 255, 0.04);
	transform: perspective(1600px) rotateY(-6deg) rotateX(2deg);
}

.window__bar {
	display: flex;
	gap: 6px;
	padding: 10px 12px;
	background: #1b2a3a;
}

.window__bar span {
	width: 11px;
	height: 11px;
	border-radius: 50%;
	background: #ff5f57;
}

.window__bar span:nth-child(2) {
	background: #febc2e;
}

.window__bar span:nth-child(3) {
	background: #28c840;
}

.window img {
	display: block;
}

.score-card {
	position: absolute;
	left: -1.5rem;
	bottom: -2rem;
	display: flex;
	align-items: center;
	gap: 0.9rem;
	padding: 0.9rem 1.2rem 0.9rem 0.9rem;
	border: 1px solid rgba(255, 255, 255, 0.12);
	border-radius: var(--radius);
	background: rgba(19, 32, 47, 0.92);
	box-shadow: 0 18px 40px rgba(0, 0, 0, 0.4);
	color: #ffffff;
}

.score-card p {
	margin: 0;
}

.score-card__score {
	font-size: 1.9rem;
	font-weight: 800;
	line-height: 1;
}

.score-card__score span {
	color: var(--hero-muted);
	font-size: 1rem;
	font-weight: 600;
}

.score-card__label {
	color: #c9d8ff;
	font-size: 0.9rem;
	font-weight: 600;
}

.score-ring {
	transform: rotate(-90deg);
}

.score-ring circle {
	fill: none;
	stroke-width: 12;
}

.score-ring__track {
	stroke: rgba(255, 255, 255, 0.12);
}

.score-ring__value {
	stroke: var(--hero-accent);
	stroke-linecap: round;
	stroke-dasharray: 88 100;
	animation: ring-fill 1.6s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

@keyframes ring-fill {
	from {
		stroke-dasharray: 0 100;
	}
}

/* Highlights strip. */
.strip {
	border-bottom: 1px solid var(--border);
	background: var(--surface);
}

.strip__list {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 1.5rem;
	margin: 0 auto;
	padding: 2rem 0;
	list-style: none;
	color: var(--muted);
	font-size: 0.98rem;
}

.strip__list strong {
	display: block;
	color: var(--text);
}

/* Sections. */
.section {
	padding: clamp(3.5rem, 2.5rem + 3vw, 6rem) 0;
}

.section--alt {
	background: var(--surface);
}

.section__intro {
	max-width: 46rem;
	color: var(--muted);
	font-size: 1.1rem;
}

.more {
	margin-top: 1.75rem;
	font-weight: 600;
}

.split {
	display: grid;
	grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
	gap: clamp(2rem, 1rem + 3vw, 4rem);
	align-items: center;
}

.split--top {
	align-items: start;
}

/* Steps. */
.steps {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 1.5rem;
	margin: 2.5rem 0 0;
	padding: 0;
	list-style: none;
	counter-reset: step;
}

.step {
	position: relative;
	padding: 1.75rem;
	border: 1px solid var(--border);
	border-radius: var(--radius);
	background: var(--card);
	box-shadow: var(--shadow);
	counter-increment: step;
}

.step::after {
	/* Decorative number; the empty alt text keeps screen readers from announcing it twice. */
	content: counter(step) / "";
	position: absolute;
	top: 1.25rem;
	right: 1.5rem;
	color: var(--muted);
	font-size: 2.4rem;
	font-weight: 800;
	line-height: 1;
	opacity: 0.35;
}

.step__icon {
	display: inline-grid;
	place-items: center;
	width: 52px;
	height: 52px;
	margin-bottom: 1rem;
	border-radius: 14px;
	background: var(--accent-soft);
	color: var(--accent-soft-text);
}

.step p {
	margin: 0;
	color: var(--muted);
}

/* Feature cards. */
.cards {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(15.5rem, 1fr));
	gap: 1.25rem;
	margin: 2.5rem 0 0;
	padding: 0;
	list-style: none;
}

.card {
	padding: 1.5rem;
	border: 1px solid var(--border);
	border-top: 4px solid var(--accent);
	border-radius: var(--radius);
	background: var(--card);
	box-shadow: var(--shadow);
}

.card h3 {
	font-size: 1.08rem;
}

.card p {
	margin: 0;
	color: var(--muted);
	font-size: 0.98rem;
}

/* Gallery. */
.gallery {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 1.75rem;
	margin: 2.5rem 0 0;
	padding: 0;
	list-style: none;
}

.gallery figure {
	margin: 0;
}

.gallery__link {
	display: block;
	overflow: hidden;
	border: 1px solid var(--border);
	border-radius: var(--radius);
	background: var(--card);
	box-shadow: var(--shadow);
	transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.gallery__link:hover {
	transform: translateY(-3px);
	box-shadow: 0 14px 34px rgba(19, 32, 47, 0.18);
}

.gallery__link img {
	display: block;
	aspect-ratio: 16 / 10;
	object-fit: cover;
	object-position: top left;
	width: 100%;
}

.gallery figcaption {
	margin-top: 0.75rem;
	color: var(--muted);
	font-size: 0.98rem;
}

/* Score bands. */
.bands {
	display: grid;
	gap: 0.6rem;
	margin: 1.5rem 0 0;
	padding: 0;
	list-style: none;
	font-weight: 600;
}

.band,
.sev {
	display: inline-block;
	min-width: 10.5rem;
	margin-right: 0.6rem;
	padding: 0.2rem 0.75rem;
	border-radius: 999px;
	font-size: 0.92rem;
	font-weight: 700;
}

.band--excellent {
	background: #1e7e34;
	color: #ffffff;
}

.band--good {
	background: #135e96;
	color: #ffffff;
}

.band--needs {
	background: #8f4207;
	color: #ffffff;
}

.band--poor {
	background: #a12a2b;
	color: #ffffff;
}

.sev {
	min-width: 0;
	margin: 0;
	padding: 0;
	background: none;
}

.sev--critical {
	color: var(--sev-critical);
}

.sev--major {
	color: var(--sev-major);
}

.sev--minor {
	color: var(--sev-minor);
}

.sev--warning {
	color: var(--sev-warning);
}

/* Tables. */
.table-wrap {
	overflow-x: auto;
	border: 1px solid var(--border);
	border-radius: var(--radius);
	background: var(--card);
	box-shadow: var(--shadow);
}

table {
	width: 100%;
	border-collapse: collapse;
	font-size: 0.97rem;
}

caption {
	padding: 1rem 1.25rem 0.25rem;
	color: var(--text);
	font-weight: 700;
	text-align: left;
}

th,
td {
	padding: 0.8rem 1.25rem;
	border-bottom: 1px solid var(--border);
	text-align: left;
	vertical-align: top;
}

thead th {
	color: var(--muted);
	font-size: 0.82rem;
	letter-spacing: 0.05em;
	text-transform: uppercase;
}

tbody th {
	font-weight: 600;
	white-space: nowrap;
}

tbody tr:last-child th,
tbody tr:last-child td {
	border-bottom: 0;
}

/* Privacy. */
.checklist {
	display: grid;
	gap: 0.85rem;
	margin: 1.25rem 0 0;
	padding: 0;
	list-style: none;
}

.checklist li {
	position: relative;
	padding-left: 2.1rem;
}

.checklist li::before,
.checklist li::after {
	content: "";
	position: absolute;
	top: 0.3em;
	left: 0;
	width: 1.3rem;
	height: 1.3rem;
	border-radius: 50%;
}

.checklist li::before {
	background: var(--accent-soft);
}

/* The check mark takes the theme's accent colour through a mask. */
.checklist li::after {
	background: var(--accent-soft-text);
	-webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='m5 12.5 4.5 4.5L19 7.5' fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 0.85rem no-repeat;
	mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='m5 12.5 4.5 4.5L19 7.5' fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 0.85rem no-repeat;
}

.callout {
	padding: 1.75rem;
	border: 1px solid var(--border);
	border-left: 5px solid var(--sev-warning);
	border-radius: var(--radius);
	background: var(--card);
	box-shadow: var(--shadow);
}

.callout p:last-child {
	margin: 0;
}

/* Code sample. */
.code {
	overflow: hidden;
	border-radius: var(--radius);
	background: var(--code-bg);
	box-shadow: var(--shadow);
}

.code__head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
	padding: 0.5rem 0.75rem 0.5rem 1.25rem;
	border-bottom: 1px solid rgba(255, 255, 255, 0.1);
	color: #c9d6e3;
	font-family: var(--mono);
	font-size: 0.85rem;
}

.copy-button {
	min-height: 36px;
	padding: 0 0.9rem;
	border: 1px solid #a9b8c6;
	border-radius: 999px;
	background: transparent;
	color: #ffffff;
	font: inherit;
	font-family: var(--font);
	font-weight: 600;
	cursor: pointer;
}

.copy-button:hover {
	background: rgba(255, 255, 255, 0.08);
}

.code :focus-visible {
	outline-color: #ffd166;
	box-shadow: 0 0 0 6px #13202f;
}

.code pre {
	margin: 0;
	padding: 1.25rem;
	overflow-x: auto;
	color: var(--code-text);
	font-family: var(--mono);
	font-size: 0.88rem;
	line-height: 1.6;
	tab-size: 4;
}

.code code {
	padding: 0;
	background: none;
	color: inherit;
	overflow-wrap: normal;
}

/* Install and requirements. */
.install {
	display: grid;
	gap: 0.9rem;
	margin: 1.25rem 0 1.5rem;
	padding-left: 1.4rem;
}

.note {
	padding: 1rem 1.25rem;
	border-radius: var(--radius-sm);
	background: var(--accent-soft);
	color: var(--accent-soft-text);
	font-size: 0.97rem;
}

.requirements {
	padding: 1.75rem;
	border: 1px solid var(--border);
	border-radius: var(--radius);
	background: var(--card);
	box-shadow: var(--shadow);
}

.requirements dl {
	display: grid;
	gap: 0.85rem;
	margin: 0;
}

.requirements div {
	display: grid;
	grid-template-columns: 7rem minmax(0, 1fr);
	gap: 1rem;
	padding-bottom: 0.85rem;
	border-bottom: 1px solid var(--border);
}

.requirements div:last-child {
	padding-bottom: 0;
	border-bottom: 0;
}

.requirements dt {
	font-weight: 700;
}

.requirements dd {
	margin: 0;
	color: var(--muted);
}

/* FAQ. */
.faq {
	display: grid;
	gap: 0.75rem;
	margin-top: 2rem;
}

.faq details {
	border: 1px solid var(--border);
	border-radius: var(--radius);
	background: var(--card);
}

.faq summary {
	position: relative;
	padding: 1.1rem 3.5rem 1.1rem 1.4rem;
	font-weight: 700;
	cursor: pointer;
	list-style: none;
}

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

.faq summary::after {
	content: "+";
	position: absolute;
	top: 50%;
	right: 1.3rem;
	color: var(--accent);
	font-size: 1.6rem;
	font-weight: 500;
	line-height: 1;
	transform: translateY(-50%);
}

.faq details[open] summary::after {
	content: "\2212";
}

.faq details p {
	margin: 0;
	padding: 0 1.4rem 1.25rem;
	color: var(--muted);
}

/* Final call to action (always dark). */
.final-cta {
	padding: clamp(3.5rem, 2.5rem + 3vw, 5.5rem) 0;
	background:
		radial-gradient(40rem 20rem at 50% 0%, rgba(35, 86, 235, 0.2), transparent 70%),
		linear-gradient(160deg, var(--hero-bg) 0%, var(--hero-bg-2) 100%);
	color: var(--hero-text);
	text-align: center;
}

.final-cta p {
	color: var(--hero-muted);
	font-size: 1.15rem;
}

/* Footer. */
.site-footer {
	padding: 2.5rem 0;
	border-top: 1px solid var(--border);
	background: var(--bg);
	color: var(--muted);
	font-size: 0.95rem;
}

.site-footer__inner {
	display: flex;
	flex-wrap: wrap;
	align-items: flex-start;
	justify-content: space-between;
	gap: 1.5rem 3rem;
}

.site-footer__inner > div {
	max-width: 34rem;
}

.brand--footer {
	margin-bottom: 0.5rem;
	min-height: 0;
}

.brand--footer img {
	width: 28px;
	height: 28px;
}

.site-footer nav a {
	display: inline-flex;
	align-items: center;
	min-height: 44px;
	padding: 0 0.6rem;
	font-weight: 600;
}

/* Lightbox. */
.lightbox {
	width: min(1200px, 100% - 2rem);
	max-height: calc(100% - 2rem);
	padding: 1rem;
	border: 1px solid var(--border);
	border-radius: var(--radius);
	background: var(--card);
	color: var(--text);
	box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
}

.lightbox::backdrop {
	background: rgba(8, 14, 20, 0.82);
}

.lightbox__figure {
	margin: 0;
}

.lightbox__image {
	display: block;
	width: 100%;
	max-height: calc(100vh - 12rem);
	object-fit: contain;
	border-radius: var(--radius-sm);
	background: var(--surface);
}

.lightbox__caption {
	margin-top: 0.75rem;
	font-weight: 600;
}

.lightbox__controls {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.6rem;
	margin-top: 0.85rem;
}

.lightbox__counter {
	margin: 0 auto 0 0.5rem;
	color: var(--muted);
}

.lightbox__button {
	display: inline-flex;
	align-items: center;
	gap: 0.35rem;
	min-height: 44px;
	padding: 0 1rem;
	border: 1px solid var(--ui-border);
	border-radius: 999px;
	background: transparent;
	color: var(--text);
	font: inherit;
	font-weight: 600;
	cursor: pointer;
}

.lightbox__button:hover {
	background: var(--surface);
}

.lightbox__close {
	border-color: transparent;
	background: var(--accent);
	color: var(--accent-contrast);
}

.lightbox__close:hover {
	background: var(--accent);
	filter: brightness(1.08);
}

/* Responsive. */
@media (max-width: 1200px) {
	/* Brand and tools on the first row, navigation on its own row below. */
	.site-nav {
		order: 3;
		width: 100%;
		margin: 0 0 0.5rem;
	}

	.site-nav a {
		padding: 0 0.55rem;
	}

	.header-tools {
		margin-left: auto;
	}
}

@media (max-width: 960px) {
	.hero__inner,
	.split {
		grid-template-columns: minmax(0, 1fr);
	}

	.hero__visual {
		max-width: 680px;
	}

	.window {
		transform: none;
	}

	.score-card {
		left: 0.75rem;
		bottom: -1.5rem;
	}

	.strip__list {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.steps {
		grid-template-columns: minmax(0, 1fr);
	}
}

@media (max-width: 720px) {
	.site-header {
		position: static;
	}



	.gallery,
	.strip__list {
		grid-template-columns: minmax(0, 1fr);
	}

	.score-card {
		position: static;
		margin-top: 1rem;
	}

	.requirements div {
		grid-template-columns: minmax(0, 1fr);
		gap: 0.2rem;
	}

	tbody th {
		white-space: normal;
	}

	.button {
		width: 100%;
	}
}

@media (max-width: 480px) {
	.brand__name {
		font-size: 1rem;
	}
}

/* Motion and contrast preferences. */
@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}

	*,
	*::before,
	*::after {
		animation: none !important;
		transition: none !important;
	}

	.window {
		transform: none;
	}
}

@media (forced-colors: active) {
	.button,
	.theme-toggle,
	.lightbox__button,
	.copy-button,
	.card,
	.step,
	.faq details,
	.table-wrap {
		border: 1px solid CanvasText;
	}

	.band,
	.sev,
	.eyebrow {
		forced-color-adjust: auto;
		border: 1px solid CanvasText;
	}

	:focus-visible {
		outline-color: Highlight;
	}
}

@media print {
	.site-header,
	.theme-toggle,
	.skip-link,
	.lightbox,
	.copy-button {
		display: none !important;
	}

	.hero,
	.final-cta {
		background: none;
		color: #000000;
	}
}


/* ===== Personal site ===== */

/* Hero visual: monogram with decorative chips. */
.hero__visual--profile {
	display: grid;
	place-items: center;
	min-height: 320px;
}

.orbit {
	position: relative;
	display: grid;
	place-items: center;
	width: min(360px, 80vw);
	aspect-ratio: 1;
	border: 1px dashed rgba(201, 214, 227, 0.35);
	border-radius: 50%;
}

.orbit::before {
	content: "";
	position: absolute;
	inset: 18%;
	border: 1px solid rgba(201, 216, 255, 0.35);
	border-radius: 50%;
}

.orbit img {
	width: 44%;
	height: auto;
	filter: drop-shadow(0 18px 40px rgba(0, 0, 0, 0.45));
	animation: float 6s ease-in-out infinite;
}

.orbit__chip {
	position: absolute;
	padding: 0.35rem 0.8rem;
	border: 1px solid rgba(255, 255, 255, 0.16);
	border-radius: 999px;
	background: rgba(19, 32, 47, 0.92);
	box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
	color: #ffffff;
	font-size: 0.88rem;
	font-weight: 700;
	white-space: nowrap;
}

.orbit__chip--1 {
	top: 6%;
	left: 50%;
	transform: translateX(-50%);
	color: #c9d8ff;
}

.orbit__chip--2 {
	top: 46%;
	right: -6%;
}

.orbit__chip--3 {
	bottom: 6%;
	left: 50%;
	transform: translateX(-50%);
}

.orbit__chip--4 {
	top: 46%;
	left: -6%;
}

@keyframes float {
	50% {
		transform: translateY(-8px);
	}
}

/* Stats strip. */
.stats li {
	display: flex;
	flex-direction: column;
	gap: 0.15rem;
}

.stats .stat__value {
	color: var(--accent);
	font-size: 2rem;
	font-weight: 800;
	line-height: 1.1;
}

/* Project cards. */
.projects {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(min(100%, 21rem), 1fr));
	gap: 1.5rem;
	margin: 2.5rem 0 0;
	padding: 0;
	list-style: none;
}

.projects > li {
	display: flex;
}

.project {
	display: flex;
	flex-direction: column;
	width: 100%;
	padding: 1.5rem;
	border: 1px solid var(--border);
	border-top: 4px solid var(--accent);
	border-radius: var(--radius);
	background: var(--card);
	box-shadow: var(--shadow);
	transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.project:hover {
	transform: translateY(-3px);
	box-shadow: 0 14px 34px rgba(19, 32, 47, 0.16);
}

.project__head {
	display: flex;
	align-items: center;
	gap: 0.85rem;
	margin-bottom: 0.75rem;
}

.project__head h3 {
	margin: 0;
	font-size: 1.2rem;
}

.project__icon {
	display: inline-grid;
	flex: none;
	place-items: center;
	width: 48px;
	height: 48px;
	border-radius: 14px;
	background: var(--accent-soft);
	color: var(--accent-soft-text);
}

.project__desc {
	flex: 1;
	color: var(--muted);
	font-size: 0.98rem;
}

.tags {
	display: flex;
	flex-wrap: wrap;
	gap: 0.4rem;
	margin: 0 0 0.9rem;
	padding: 0;
	list-style: none;
}

.tags li {
	padding: 0.15rem 0.6rem;
	border: 1px solid var(--border);
	border-radius: 999px;
	background: var(--surface);
	color: var(--text);
	font-size: 0.82rem;
	font-weight: 600;
}

.project__meta {
	margin: 0 0 1rem;
	color: var(--muted);
	font-size: 0.88rem;
}

.project__links {
	display: flex;
	flex-wrap: wrap;
	gap: 0.6rem;
	margin-top: auto;
}

.button-sm {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 44px;
	padding: 0 1.1rem;
	border: 1px solid var(--ui-border);
	border-radius: 999px;
	color: var(--text);
	font-weight: 700;
	text-decoration: none;
}

.button-sm:hover {
	background: var(--surface);
	text-decoration: underline;
}

.button-sm--primary {
	border-color: var(--accent);
	background: var(--accent);
	color: var(--accent-contrast);
}

.button-sm--primary:hover {
	background: var(--accent);
	filter: brightness(1.08);
}

/* Learning & archive list. */
.archive__title {
	margin-top: 3.5rem;
	font-size: 1.35rem;
}

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

.archive {
	display: grid;
	gap: 0.6rem;
	margin: 1rem 0 0;
	padding: 0;
	list-style: none;
}

.archive li {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.35rem 0.75rem;
	padding: 0.85rem 1.1rem;
	border: 1px solid var(--border);
	border-radius: var(--radius-sm);
	background: var(--card);
}

.archive__link {
	display: inline-flex;
	align-items: center;
	min-height: 32px;
	font-weight: 700;
}

.archive__status {
	padding: 0.1rem 0.55rem;
	border-radius: 999px;
	background: var(--surface);
	color: var(--muted);
	font-size: 0.82rem;
	font-weight: 600;
}

.archive__desc {
	flex-basis: 100%;
	color: var(--muted);
	font-size: 0.95rem;
}

/* 404 page. */
.not-found {
	display: grid;
	place-items: center;
	min-height: 100vh;
}

@media (max-width: 960px) {
	.hero__visual--profile {
		min-height: 0;
		margin-top: 1rem;
	}

	.orbit {
		width: min(300px, 78vw);
	}
}

@media (max-width: 480px) {
	.orbit__chip {
		font-size: 0.78rem;
	}

	.orbit__chip--2 {
		right: -2%;
	}

	.orbit__chip--4 {
		left: -2%;
	}
}

@media (forced-colors: active) {
	.project,
	.archive li,
	.button-sm,
	.tags li,
	.orbit__chip {
		border: 1px solid CanvasText;
	}
}


/* ===== Brand overrides (replace the green accents inherited from the shared design system) ===== */

.brand__logo {
	display: block;
	width: auto;
	height: 30px;
	color: var(--logo);
}

.brand--footer .brand__logo {
	height: 24px;
}

.hero,
.final-cta {
	background:
		radial-gradient(56rem 30rem at 92% -12%, rgba(35, 86, 235, 0.55), transparent 62%),
		radial-gradient(38rem 22rem at -8% 112%, rgba(143, 176, 255, 0.16), transparent 60%),
		linear-gradient(160deg, var(--hero-bg) 0%, var(--hero-bg-2) 100%);
}

.eyebrow {
	border-color: rgba(201, 216, 255, 0.5);
	background: rgba(201, 216, 255, 0.1);
	color: var(--hero-accent);
}

.eyebrow--section {
	border-color: transparent;
	background: var(--accent-soft);
	color: var(--accent-soft-text);
}

.button--primary {
	background: var(--hero-button-bg);
	color: var(--hero-button-text);
	box-shadow: 0 10px 28px rgba(8, 18, 43, 0.35);
}

.button--primary:hover {
	box-shadow: 0 14px 32px rgba(8, 18, 43, 0.45);
}

.orbit {
	border-color: rgba(201, 216, 255, 0.4);
}

.orbit::before {
	border-color: rgba(201, 216, 255, 0.45);
}

.orbit__tile {
	display: grid;
	place-items: center;
	width: 46%;
	aspect-ratio: 1;
	border-radius: 28%;
	background: #ffffff;
	box-shadow: 0 20px 48px rgba(8, 18, 43, 0.45);
	color: var(--brand);
	animation: float 6s ease-in-out infinite;
}

.orbit__tile svg {
	width: 66%;
	height: auto;
}

.orbit__chip {
	background: rgba(13, 27, 77, 0.92);
	border-color: rgba(201, 216, 255, 0.25);
}

.orbit__chip--1 {
	color: var(--hero-accent);
}

.project {
	border-top-color: var(--accent);
}

.brand__logo--large {
	width: min(440px, 80vw);
	height: auto;
	margin: 0 auto 1.75rem;
	color: #ffffff;
}

@media (max-width: 480px) {
	.brand__logo {
		height: 24px;
	}
}