/* Minimal dark mode */
*, *::before, *::after {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

:root {
	--bg: #0e0e10;
	--surface: #18181b;
	--border: #27272a;
	--text: #e4e4e7;
	--muted: #a1a1aa;
	--accent: #6366f1;
	--accent-dim: #4f46e5;
	--max-w: 760px;
}

html {
	scroll-behavior: smooth;
}

body {
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	background: var(--bg);
	color: var(--text);
	line-height: 1.7;
	font-size: 15px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Nav */
header {
	position: sticky;
	top: 0;
	z-index: 10;
	background: var(--bg);
	border-bottom: 1px solid var(--border);
}

nav {
	max-width: var(--max-w);
	margin: 0 auto;
	display: flex;
	gap: 0;
	overflow-x: auto;
}

nav a {
	display: block;
	padding: 14px 18px;
	color: var(--muted);
	font-size: 14px;
	font-weight: 500;
	border-bottom: 2px solid transparent;
	transition: color 0.15s, border-color 0.15s;
	white-space: nowrap;
}

nav a:hover {
	color: var(--text);
	text-decoration: none;
	border-bottom-color: var(--accent);
}

/* Main content */
main {
	max-width: var(--max-w);
	margin: 0 auto;
	padding: 40px 20px 60px;
}

section {
	margin-bottom: 64px;
}

h1 {
	font-size: 28px;
	font-weight: 700;
	letter-spacing: -0.02em;
	margin-bottom: 4px;
}

h2 {
	font-size: 22px;
	font-weight: 600;
	margin-bottom: 12px;
}

h3 {
	font-size: 16px;
	font-weight: 600;
	margin-bottom: 4px;
}

.section-desc {
	color: var(--muted);
	font-size: 14px;
	margin-bottom: 24px;
}

/* Home */
#home {
	text-align: center;
	padding-top: 20px;
}

.profile-img {
	width: 120px;
	height: 120px;
	border-radius: 50%;
	overflow: hidden;
	margin: 0 auto 20px;
	border: 2px solid var(--border);
	background: var(--surface);
}

.profile-img img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}

.subtitle {
	color: var(--muted);
	font-size: 15px;
	margin-bottom: 8px;
}

.bio {
	max-width: 500px;
	margin: 0 auto 16px;
	color: var(--muted);
	font-size: 14px;
}

.gh-link {
	display: inline-block;
	padding: 6px 16px;
	border: 1px solid var(--border);
	border-radius: 6px;
	font-size: 13px;
	color: var(--muted);
	transition: border-color 0.15s, color 0.15s;
}

.gh-link:hover {
	border-color: var(--accent);
	color: var(--accent);
	text-decoration: none;
}

.quick-info {
	display: flex;
	flex-wrap: wrap;
	gap: 20px;
	justify-content: center;
	margin-top: 28px;
	padding: 20px;
	background: var(--surface);
	border-radius: 8px;
	border: 1px solid var(--border);
	text-align: left;
}

.quick-info > div {
	display: flex;
	flex-direction: column;
	gap: 2px;
	font-size: 13px;
	min-width: 140px;
}

.label {
	color: var(--muted);
	font-size: 11px;
	text-transform: uppercase;
	letter-spacing: 0.05em;
}

/* Projects */
.project-grid {
	display: flex;
	flex-direction: column;
	gap: 16px;
}

.project-card {
	background: var(--surface);
	border: 1px solid var(--border);
	border-radius: 8px;
	padding: 20px;
}

.project-body {
	flex: 1;
	min-width: 0;
}

.project-body h3 {
	margin-bottom: 2px;
}

.project-body h3 a {
	color: var(--text);
}

.project-body h3 a:hover {
	color: var(--accent);
}

.project-desc {
	color: var(--muted);
	font-size: 13px;
	margin-top: 4px;
}

.project-meta {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	align-items: center;
	margin-top: 10px;
	font-size: 12px;
}

.project-lang {
	display: inline-block;
	padding: 2px 8px;
	border-radius: 4px;
	background: var(--bg);
	border: 1px solid var(--border);
	color: var(--muted);
	font-size: 11px;
}

.project-stars {
	color: var(--muted);
}

.loading {
	color: var(--muted);
	font-size: 14px;
}

/* Skills */
.skills-layout {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 16px;
}

.skill-group {
	background: var(--surface);
	border: 1px solid var(--border);
	border-radius: 8px;
	padding: 16px;
}

.skill-group h3 {
	font-size: 13px;
	color: var(--muted);
	text-transform: uppercase;
	letter-spacing: 0.05em;
	margin-bottom: 10px;
}

.skill-group ul {
	list-style: none;
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
}

.skill-group li {
	background: var(--bg);
	border: 1px solid var(--border);
	border-radius: 4px;
	padding: 3px 10px;
	font-size: 13px;
}

.languages {
	grid-column: 1 / -1;
}

/* Education */
.timeline {
	display: flex;
	flex-direction: column;
	gap: 16px;
}

.entry {
	background: var(--surface);
	border: 1px solid var(--border);
	border-radius: 8px;
	padding: 16px;
	display: flex;
	gap: 16px;
}

.entry .year {
	flex-shrink: 0;
	width: 120px;
	color: var(--muted);
	font-size: 13px;
	padding-top: 2px;
}

.entry strong {
	display: block;
	font-size: 15px;
}

.entry .org {
	display: block;
	color: var(--accent);
	font-size: 13px;
	margin-bottom: 4px;
}

.entry p {
	color: var(--muted);
	font-size: 13px;
}

.reference {
	margin-top: 20px;
	padding: 16px;
	background: var(--surface);
	border: 1px solid var(--border);
	border-radius: 8px;
	font-size: 13px;
}

.reference .label {
	display: block;
	margin-bottom: 4px;
}

/* Hobbies */
.hobby-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 16px;
}

.hobby-card {
	background: var(--surface);
	border: 1px solid var(--border);
	border-radius: 8px;
	padding: 16px;
	text-align: center;
}

.hobby-img {
	width: 100%;
	aspect-ratio: 4 / 3;
	border-radius: 6px;
	overflow: hidden;
	background: var(--bg);
	border: 1px solid var(--border);
	margin-bottom: 10px;
}

.hobby-img img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}

.hobby-card h3 {
	font-size: 15px;
	margin-bottom: 2px;
}

.hobby-card p {
	color: var(--muted);
	font-size: 13px;
}

.quote {
	text-align: center;
	color: var(--muted);
	font-style: italic;
	font-size: 14px;
	margin-top: 28px;
	padding: 20px;
	background: var(--surface);
	border: 1px solid var(--border);
	border-radius: 8px;
}

/* Footer */
footer {
	text-align: center;
	padding: 24px 20px;
	border-top: 1px solid var(--border);
	font-size: 13px;
	color: var(--muted);
}

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

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

/* Responsive */
@media (max-width: 640px) {
	nav a { padding: 12px 14px; font-size: 13px; }
	.quick-info { flex-direction: column; align-items: center; text-align: center; }
	.quick-info > div { min-width: 0; }
	.project-card { flex-direction: column; }
	.skills-layout { grid-template-columns: 1fr; }
	.entry { flex-direction: column; gap: 6px; }
	.entry .year { width: auto; }
	.hobby-grid { grid-template-columns: 1fr; }
}