* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

:root {
	--bg: #0d0d0d;
	--bg2: #141414;
	--bg3: #1a1a1a;
	--accent: #4f9cf9;
	--text: #f0ede8;
	--muted: #666;
	--border: #222;
	--sans: 'Syne', sans-serif;
	--mono: 'JetBrains Mono', monospace;
}

body {
	background: var(--bg);
	color: var(--text);
	font-family: var(--sans);
	min-height: 100vh;
	overflow-x: hidden;
}

nav {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 1.25rem 2.5rem;
	border-bottom: 1px solid var(--border);
	position: sticky;
	top: 0;
	background: rgba(13, 13, 13, 0.93);
	backdrop-filter: blur(12px);
	z-index: 100;
}

.nav-logo {
	font-size: 1rem;
	font-weight: 800;
	color: var(--accent);
	letter-spacing: -0.02em;
}

.nav-burger {
	display: none;
}

.nav-links {
	display: flex;
	gap: 2rem;
	list-style: none;
}

.nav-links a {
	font-size: 0.85rem;
	color: var(--muted);
	text-decoration: none;
	transition: color 0.2s;
	font-weight: 500;
}

.nav-links a:hover {
	color: var(--text);
}

.hero {
	padding: 6rem 2.5rem 5rem;
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 5rem;
	align-items: center;
	max-width: 1200px;
	margin: 0 auto;
}

.hero-tag {
	font-family: var(--mono);
	font-size: 0.72rem;
	color: var(--accent);
	letter-spacing: 0.08em;
	text-transform: uppercase;
	margin-bottom: 1.5rem;
	display: flex;
	align-items: center;
	gap: 0.6rem;
}

.hero-tag::before {
	content: '';
	width: 1.5rem;
	height: 1px;
	background: var(--accent);
}

.hero h1 {
	font-size: clamp(2.8rem, 5vw, 4.2rem);
	font-weight: 800;
	line-height: 1.04;
	letter-spacing: -0.04em;
	margin-bottom: 1.5rem;
}

.hero h1 span {
	color: var(--accent);
}

.hero-desc {
	font-size: 1rem;
	color: var(--muted);
	line-height: 1.8;
	margin-bottom: 2.25rem;
	max-width: 460px;
	font-weight: 400;
}

.hero-actions {
	display: flex;
	gap: 1.25rem;
	align-items: center;
}

.btn-primary {
	font-size: 0.82rem;
	background: var(--accent);
	color: #0d0d0d;
	padding: 0.75rem 1.75rem;
	text-decoration: none;
	font-weight: 700;
	transition: opacity 0.2s;
}

.btn-primary:hover {
	opacity: 0.85;
}

.btn-secondary {
	font-size: 0.82rem;
	color: var(--muted);
	text-decoration: none;
	font-weight: 500;
	border-bottom: 1px solid var(--border);
	padding-bottom: 2px;
	transition: color 0.2s, border-color 0.2s;
}

.btn-secondary:hover {
	color: var(--text);
	border-color: var(--muted);
}

.hero-visual {
	display: flex;
	flex-direction: column;
	gap: 1px;
	background: var(--border);
}

.hv-row {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 1px;
	background: var(--border);
}

.hv-box {
	background: var(--bg2);
	padding: 1.75rem;
	transition: background 0.2s;
}

.hv-box:hover {
	background: var(--bg3);
}

.hv-label {
	font-family: var(--mono);
	font-size: 0.65rem;
	color: var(--accent);
	text-transform: uppercase;
	letter-spacing: 0.1em;
	margin-bottom: 0.6rem;
}

.hv-value {
	font-size: 1rem;
	font-weight: 600;
	color: var(--text);
	line-height: 1.5;
}

.hv-value.lg {
	font-size: 1.5rem;
	font-weight: 800;
	letter-spacing: -0.02em;
}

.hv-sub {
	font-size: 0.8rem;
	color: var(--muted);
	margin-top: 0.3rem;
	line-height: 1.6;
}

.notice {
	max-width: 1200px;
	margin: 0 auto;
	padding: 1.25rem 2.5rem;
}

.notice-box {
	border: 1px solid var(--border);
	padding: 1rem 1.5rem;
	font-family: var(--mono);
	font-size: 0.78rem;
	color: var(--muted);
	line-height: 1.7;
}

.notice-box span {
	color: var(--accent);
	font-weight: 600;
}

.divider {
	width: 100%;
	height: 1px;
	background: var(--border);
	max-width: 1200px;
	margin: 0 auto;
}

.projects {
	padding: 4.5rem 2.5rem;
	max-width: 1200px;
	margin: 0 auto;
}

.section-tag {
	font-size: 0.72rem;
	font-weight: 700;
	color: var(--muted);
	letter-spacing: 0.12em;
	text-transform: uppercase;
	margin-bottom: 2.5rem;
	display: flex;
	align-items: center;
	gap: 0.75rem;
}

.section-tag::after {
	content: '';
	flex: 1;
	height: 1px;
	background: var(--border);
}

.projects-grid {
	display: flex;
	flex-direction: column;
	gap: 1px;
	background: var(--border);
	width: 100%;
}

.projects-grid .project-card {
	width: 100%;
	margin: 0;
}

.project-card {
	background: var(--bg);
	padding: 2rem 1.75rem;
	transition: background 0.2s;
	position: relative;
	overflow: hidden;
}

.project-card:hover {
	background: var(--bg2);
}

.project-card::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	height: 2px;
	background: transparent;
	transition: background 0.2s;
}

.project-card:hover::after {
	background: var(--accent);
}

.project-lang {
	font-family: var(--mono);
	font-size: 0.65rem;
	color: var(--accent);
	letter-spacing: 0.08em;
	text-transform: uppercase;
	margin-bottom: 0.75rem;
}

.project-name {
	font-size: 1.15rem;
	font-weight: 700;
	margin-bottom: 0.6rem;
	letter-spacing: -0.02em;
}

.project-desc {
	font-size: 0.88rem;
	color: var(--muted);
	line-height: 1.75;
	margin-bottom: 1.5rem;
	font-weight: 400;
}

.project-link {
	font-family: var(--mono);
	font-size: 0.7rem;
	color: var(--muted);
	text-decoration: none;
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
	transition: color 0.2s;
}

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

a.project-link::after {
	content: '→';
}

footer {
	border-top: 1px solid var(--border);
	padding: 2rem 2.5rem;
	display: flex;
	justify-content: space-between;
	align-items: center;
	max-width: 1200px;
	margin: 0 auto;
}

.footer-copy {
	font-size: 0.8rem;
	color: var(--muted);
}

.footer-links {
	display: flex;
	gap: 1.75rem;
}

.footer-links a {
	font-size: 0.8rem;
	color: var(--muted);
	text-decoration: none;
	transition: color 0.2s;
	font-weight: 500;
}

.footer-links a:hover {
	color: var(--text);
}

@media (max-width: 768px) {
	nav {
		padding: 1rem 1.25rem;
	}

	.nav-burger {
		display: block;
		background: none;
		border: none;
		color: var(--text);
		font-size: 1.5rem;
		cursor: pointer;
	}

	.nav-links {
		display: none;
		position: absolute;
		top: 100%;
		left: 0;
		right: 0;
		flex-direction: column;
		background: var(--bg2);
		border-bottom: 1px solid var(--border);
		padding: 1rem 1.25rem;
		gap: 1rem;
	}

	.nav-links.show {
		display: flex;
	}

	.hero {
		grid-template-columns: 1fr;
		padding: 3rem 1.25rem 2.5rem;
		gap: 2.5rem;
	}

	.hero h1 {
		font-size: clamp(2.2rem, 10vw, 3rem);
	}

	.hero-desc {
		max-width: 100%;
	}

	.notice {
		padding: 1rem 1.25rem;
	}

	.projects {
		padding: 3rem 1.25rem;
	}

	.project-card {
		padding: 1.5rem 1.25rem;
	}

	footer {
		flex-direction: column;
		gap: 1.25rem;
		text-align: center;
		padding: 1.5rem 1.25rem;
	}

	.footer-links {
		flex-wrap: wrap;
		justify-content: center;
		gap: 1rem;
	}
}