:root {
	--bg: #ffffff;
	--bg-alt: #f3f6f7;
	--text: #1f2629;
	--muted: #56646a;
	--border: #dbe2e4;
	--accent: #0e5e6f;
	--accent-hover: #0a4957;
	--on-accent: #ffffff;
	--font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
	--wrap: 68rem;
	--radius: 10px;
}

@media (prefers-color-scheme: dark) {
	:root {
		--bg: #111719;
		--bg-alt: #172023;
		--text: #e5ebed;
		--muted: #a2b2b7;
		--border: #2a373b;
		--accent: #5bb8cb;
		--accent-hover: #83cddc;
		--on-accent: #0b1315;
	}
}

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

html {
	-webkit-text-size-adjust: 100%;
	scroll-behavior: smooth;
}

body {
	margin: 0;
	background: var(--bg);
	color: var(--text);
	font-family: var(--font);
	font-size: 1.0625rem;
	line-height: 1.6;
}

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

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

:focus-visible {
	outline: 2px solid var(--accent);
	outline-offset: 2px;
}

h1,
h2,
h3 {
	line-height: 1.2;
	letter-spacing: -0.01em;
}

.wrap {
	max-width: var(--wrap);
	margin: 0 auto;
	padding: 0 1rem;
}

.skip {
	position: absolute;
	left: -999px;
}

.skip:focus {
	left: 1rem;
	top: 1rem;
	z-index: 10;
	padding: 0.5rem 1rem;
	background: var(--bg);
}

/* Header */

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

.header-inner {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 0.75rem 1.5rem;
	padding-top: 1rem;
	padding-bottom: 1rem;
}

.brand {
	display: inline-flex;
	align-items: center;
	gap: 0.6rem;
	color: var(--text);
	text-decoration: none;
}

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

.brand-mark {
	width: 2rem;
	height: 2rem;
}

.mark-bg {
	fill: var(--accent);
}

.mark-fg {
	fill: var(--on-accent);
}

.brand-name {
	font-size: 1.5rem;
	font-weight: 700;
	letter-spacing: -0.02em;
}

.brand-sip {
	color: var(--accent);
}

.site-nav {
	display: flex;
	flex-wrap: wrap;
	gap: 0.25rem 1.25rem;
	font-size: 0.975rem;
}

.site-nav a {
	color: var(--text);
	text-decoration: none;
}

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

.site-nav .lang-switch {
	color: var(--accent);
	font-weight: 600;
}

/* Hero */

.hero {
	background: var(--bg-alt);
	border-bottom: 1px solid var(--border);
	padding: 4.5rem 0 4rem;
}

.eyebrow {
	margin: 0 0 0.75rem;
	color: var(--accent);
	font-size: 0.85rem;
	font-weight: 700;
	letter-spacing: 0.08em;
	text-transform: uppercase;
}

.hero h1 {
	max-width: 20ch;
	margin: 0 0 1.25rem;
	font-size: clamp(2.1rem, 5vw, 3.25rem);
}

.lead {
	max-width: 42rem;
	margin: 0 0 2rem;
	color: var(--muted);
	font-size: 1.2rem;
}

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

.button {
	display: inline-block;
	padding: 0.7rem 1.4rem;
	border: 1px solid var(--accent);
	border-radius: var(--radius);
	font-weight: 600;
	text-decoration: none;
}

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

.button-primary:hover {
	background: var(--accent-hover);
	border-color: var(--accent-hover);
	color: var(--on-accent);
}

.button-secondary {
	color: var(--accent);
}

/* Sections */

.section {
	padding: 4rem 0;
}

.section + .section {
	border-top: 1px solid var(--border);
}

.section h2 {
	margin: 0 0 0.75rem;
	font-size: clamp(1.6rem, 3.5vw, 2.1rem);
}

.section-intro {
	max-width: 42rem;
	margin: 0 0 2.5rem;
	color: var(--muted);
}

.cards {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(min(100%, 19rem), 1fr));
	gap: 1.25rem;
	margin: 0;
	padding: 0;
	list-style: none;
}

.card {
	display: flex;
	flex-direction: column;
	padding: 1.5rem;
	background: var(--bg);
	border: 1px solid var(--border);
	border-radius: var(--radius);
}

.card h3 {
	margin: 0 0 0.6rem;
	font-size: 1.2rem;
}

.card p {
	margin: 0 0 1rem;
}

.card .tech {
	margin: auto 0 0;
	color: var(--muted);
	font-size: 0.85rem;
	font-weight: 600;
	letter-spacing: 0.02em;
}

.contact-mail {
	display: inline-block;
	margin-top: 0.5rem;
	font-size: clamp(1.3rem, 3vw, 1.6rem);
	font-weight: 700;
	overflow-wrap: anywhere;
}

/* Legal and error pages */

.prose {
	max-width: 46rem;
	padding-top: 3rem;
	padding-bottom: 4rem;
}

.prose h1 {
	margin: 0 0 0.5rem;
	font-size: clamp(1.8rem, 4vw, 2.4rem);
}

.prose h2 {
	margin: 2.75rem 0 0.75rem;
	padding-top: 0.5rem;
	font-size: 1.5rem;
}

.prose h3 {
	margin: 1.75rem 0 0.5rem;
	font-size: 1.1rem;
}

.prose .updated {
	margin-top: 0;
	color: var(--muted);
	font-size: 0.95rem;
}

.facts {
	display: grid;
	grid-template-columns: max-content 1fr;
	gap: 0.4rem 1.25rem;
	margin: 1.25rem 0;
}

.facts dt {
	font-weight: 600;
}

.facts dd {
	margin: 0;
}

@media (max-width: 34rem) {
	.facts {
		grid-template-columns: 1fr;
		gap: 0.1rem;
	}

	.facts dd {
		margin-bottom: 0.6rem;
	}
}

/* Footer */

.site-footer {
	border-top: 1px solid var(--border);
	background: var(--bg-alt);
	color: var(--muted);
	font-size: 0.9rem;
}

.footer-inner {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	gap: 0 1.5rem;
	padding-top: 1.5rem;
	padding-bottom: 1.5rem;
}

.footer-inner p {
	margin: 0.25rem 0;
}

.site-footer a {
	color: var(--muted);
}

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

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