:root {
	--bg: #0b1620;
	--bg-2: #0f1e2a;
	--surface: #13283a;
	--surface-2: #183248;
	--border: #20405a;
	--border-soft: rgba(148, 196, 222, 0.12);
	--text: #e6eef3;
	--text-2: #b7c7d3;
	--muted: #8fa6b6;
	--accent: #34d399;
	--accent-strong: #6ee7b7;
	--accent-soft: rgba(52, 211, 153, 0.12);
	--blue: #7cc4fa;
	--blue-soft: rgba(124, 196, 250, 0.12);
	--radius: 14px;
	--radius-sm: 8px;
	--shadow: 0 10px 30px -12px rgba(0, 0, 0, 0.55);
	--max: 1120px;
	--nav-h: 64px;
	--font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
	--mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
	color-scheme: dark;
}

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

html {
	scroll-behavior: smooth;
	scroll-padding-top: calc(var(--nav-h) + 16px);
	-webkit-text-size-adjust: 100%;
}

body {
	margin: 0;
	background: var(--bg);
	color: var(--text);
	font-family: var(--font);
	font-size: 16px;
	line-height: 1.65;
	-webkit-font-smoothing: antialiased;
	overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
h1, h2, h3 { line-height: 1.25; margin: 0; color: var(--text); }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-strong); }
strong { color: var(--text); font-weight: 600; }

:focus-visible {
	outline: 2px solid var(--accent);
	outline-offset: 3px;
	border-radius: 6px;
}

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

.skip-link {
	position: absolute;
	left: 16px;
	top: -100px;
	z-index: 100;
	padding: 10px 16px;
	background: var(--accent);
	color: #062a1d;
	font-weight: 600;
	border-radius: var(--radius-sm);
}
.skip-link:focus { top: 12px; color: #062a1d; }

.container {
	width: 100%;
	max-width: var(--max);
	margin: 0 auto;
	padding: 0 16px;
}
@media (min-width: 768px) { .container { padding: 0 32px; } }

.mono { font-family: var(--mono); }

.icon {
	width: 1.1em;
	height: 1.1em;
	flex-shrink: 0;
	display: inline-block;
	vertical-align: -0.15em;
}

/* Header / nav */
.site-header {
	position: sticky;
	top: 0;
	z-index: 50;
	height: var(--nav-h);
	background: rgba(11, 22, 32, 0.72);
	-webkit-backdrop-filter: blur(14px) saturate(140%);
	backdrop-filter: blur(14px) saturate(140%);
	border-bottom: 1px solid transparent;
	transition: border-color .2s, background .2s;
}
.site-header.scrolled {
	border-bottom-color: var(--border-soft);
	background: rgba(11, 22, 32, 0.85);
}

.nav {
	height: 100%;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
}

.brand {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	color: var(--text);
	font-weight: 700;
	letter-spacing: -0.01em;
}
.brand:hover { color: var(--text); }
.brand-mark {
	display: grid;
	place-items: center;
	width: 34px; height: 34px;
	border-radius: 9px;
	font-family: var(--mono);
	font-size: 13px;
	color: #062a1d;
	background: linear-gradient(135deg, var(--accent), var(--blue));
}

.nav-menu {
	list-style: none;
	display: flex;
	align-items: center;
	gap: 4px;
}
.nav-menu a {
	display: block;
	padding: 8px 12px;
	border-radius: var(--radius-sm);
	color: var(--text-2);
	font-size: 14.5px;
	font-weight: 500;
	transition: color .15s, background .15s;
}
.nav-menu a:hover { color: var(--text); background: var(--surface); }
.nav-menu a.active { color: var(--accent); background: var(--accent-soft); }
.nav-menu .nav-cta {
	margin-left: 8px;
	color: var(--accent);
	border: 1px solid rgba(52, 211, 153, 0.45);
}
.nav-menu .nav-cta:hover { background: var(--accent-soft); color: var(--accent-strong); }

.nav-toggle {
	display: none;
	width: 42px; height: 42px;
	place-items: center;
	padding: 0;
	color: var(--text);
	background: var(--surface);
	border: 1px solid var(--border);
	border-radius: 10px;
	cursor: pointer;
}
.nav-toggle .icon { width: 22px; height: 22px; }
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-open { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }

@media (max-width: 860px) {
	.nav-toggle { display: grid; }
	.nav-menu {
		position: absolute;
		top: var(--nav-h);
		left: 0; right: 0;
		flex-direction: column;
		align-items: stretch;
		gap: 2px;
		padding: 12px 16px 20px;
		background: var(--bg);
		border-bottom: 1px solid var(--border-soft);
		box-shadow: var(--shadow);
		display: none;
	}
	.nav-menu.open { display: flex; }
	.nav-menu a { padding: 12px 14px; font-size: 16px; }
	.nav-menu .nav-cta { margin: 8px 0 0; text-align: center; }
}

/* Buttons */
.btn {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 11px 20px;
	border-radius: 999px;
	font-weight: 600;
	font-size: 15px;
	line-height: 1.2;
	border: 1px solid transparent;
	transition: transform .15s, background .15s, border-color .15s, color .15s, box-shadow .15s;
}
.btn-primary {
	background: var(--accent);
	color: #062a1d;
	box-shadow: 0 8px 24px -10px rgba(52, 211, 153, 0.6);
}
.btn-primary:hover { background: var(--accent-strong); color: #062a1d; transform: translateY(-1px); }
.btn-ghost {
	padding: 8px 14px;
	font-size: 14px;
	color: var(--text);
	background: var(--surface-2);
	border-color: var(--border);
}
.btn-ghost:hover { color: var(--accent-strong); border-color: rgba(52, 211, 153, 0.5); }

.icon-btn {
	display: grid;
	place-items: center;
	width: 44px; height: 44px;
	border-radius: 12px;
	color: var(--text-2);
	background: var(--surface);
	border: 1px solid var(--border);
	transition: color .15s, border-color .15s, transform .15s;
}
.icon-btn .icon { width: 20px; height: 20px; }
.icon-btn:hover { color: var(--accent); border-color: rgba(52, 211, 153, 0.5); transform: translateY(-2px); }

/* Hero */
.hero {
	position: relative;
	overflow: hidden;
	padding: 72px 0 88px;
	isolation: isolate;
}
.hero-bg {
	position: absolute;
	inset: 0;
	z-index: -1;
	background:
		radial-gradient(600px 360px at 18% 20%, rgba(52, 211, 153, 0.16), transparent 70%),
		radial-gradient(520px 340px at 85% 10%, rgba(124, 196, 250, 0.12), transparent 70%);
}
.hero-bg::after {
	content: "";
	position: absolute;
	inset: 0;
	background-image:
		linear-gradient(rgba(148, 196, 222, 0.05) 1px, transparent 1px),
		linear-gradient(90deg, rgba(148, 196, 222, 0.05) 1px, transparent 1px);
	background-size: 44px 44px;
	-webkit-mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 75%);
	mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 75%);
}
.hero-inner {
	display: flex;
	flex-direction: column;
	align-items: center;
	text-align: center;
	gap: 28px;
}
.avatar {
	width: 152px; height: 152px;
	border-radius: 50%;
	object-fit: cover;
	border: 3px solid var(--bg);
	box-shadow: 0 0 0 2px var(--accent), 0 20px 50px -20px rgba(52, 211, 153, 0.55);
}
.eyebrow {
	margin: 0 0 6px;
	font-size: 13px;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--accent);
}
.hero h1 {
	font-size: clamp(2.3rem, 7vw, 3.8rem);
	font-weight: 800;
	letter-spacing: -0.03em;
	background: linear-gradient(120deg, #f1f7fa 30%, var(--accent-strong) 70%, var(--blue));
	-webkit-background-clip: text;
	background-clip: text;
	color: transparent;
}
.hero-role {
	margin: 8px 0 4px;
	font-size: clamp(1.1rem, 3vw, 1.35rem);
	font-weight: 600;
	color: var(--text-2);
}
.hero-location {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	color: var(--muted);
	font-size: 15px;
}
.hero-tagline {
	max-width: 560px;
	margin: 12px auto 28px;
	color: var(--text-2);
	font-size: 1.05rem;
}
.hero-actions {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: center;
	gap: 16px;
}
.socials { list-style: none; display: flex; gap: 10px; }

@media (min-width: 900px) {
	.hero { padding: 112px 0 120px; }
	.hero-inner { flex-direction: row; text-align: left; gap: 56px; justify-content: center; }
	.avatar { width: 200px; height: 200px; }
	.hero-tagline { margin-left: 0; }
	.hero-actions { justify-content: flex-start; }
}

/* Sections */
.section { padding: 72px 0; }
.section:nth-of-type(even) { background: var(--bg-2); }
@media (min-width: 900px) { .section { padding: 96px 0; } }

.section-head { margin-bottom: 40px; }
.section-head h2 {
	font-size: clamp(1.7rem, 4vw, 2.3rem);
	font-weight: 700;
	letter-spacing: -0.02em;
}
.section-head h2::after {
	content: "";
	display: block;
	width: 48px; height: 3px;
	margin-top: 14px;
	border-radius: 3px;
	background: linear-gradient(90deg, var(--accent), var(--blue));
}

.card {
	background: var(--surface);
	border: 1px solid var(--border-soft);
	border-radius: var(--radius);
	box-shadow: var(--shadow);
}

/* About */
.about-grid { display: grid; gap: 32px; }
@media (min-width: 960px) { .about-grid { grid-template-columns: 5fr 7fr; gap: 56px; } }
.about-text { color: var(--text-2); font-size: 1.05rem; }
.ticks { list-style: none; display: grid; gap: 10px; }
.ticks li { position: relative; padding-left: 26px; }
.ticks li::before {
	content: "";
	position: absolute;
	left: 2px; top: 0.6em;
	width: 10px; height: 10px;
	border-radius: 3px;
	background: var(--accent);
	transform: rotate(45deg);
}

.skills { display: grid; gap: 22px; }
.skill-group h3 {
	margin-bottom: 10px;
	font-family: var(--mono);
	font-size: 13px;
	font-weight: 500;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--muted);
}
.skill-note { margin: 10px 0 0; font-size: 14px; color: var(--muted); }

.chips { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
.chips li {
	padding: 6px 12px;
	border-radius: 999px;
	font-size: 14px;
	font-weight: 500;
	color: var(--text);
	background: var(--surface);
	border: 1px solid var(--border);
}
.skill-group:nth-child(odd) .chips li { border-color: rgba(52, 211, 153, 0.3); }
.skill-group:nth-child(even) .chips li { border-color: rgba(124, 196, 250, 0.3); }
.chips-sm li {
	padding: 3px 10px;
	font-family: var(--mono);
	font-size: 12.5px;
	font-weight: 400;
	color: var(--accent-strong);
	background: var(--accent-soft);
	border-color: transparent;
}

/* Timeline */
.timeline {
	list-style: none;
	position: relative;
	display: grid;
	gap: 24px;
	padding-left: 28px;
}
.timeline::before {
	content: "";
	position: absolute;
	left: 7px; top: 8px; bottom: 8px;
	width: 2px;
	background: linear-gradient(var(--accent), var(--blue) 60%, transparent);
	opacity: 0.5;
}
.timeline-item { position: relative; }
.timeline-item::before {
	content: "";
	position: absolute;
	left: -28px; top: 26px;
	width: 16px; height: 16px;
	border-radius: 50%;
	background: var(--bg);
	border: 3px solid var(--accent);
	box-shadow: 0 0 0 4px var(--bg);
}
.section:nth-of-type(even) .timeline-item::before { background: var(--bg-2); box-shadow: 0 0 0 4px var(--bg-2); }
@media (min-width: 768px) {
	.timeline { padding-left: 40px; }
	.timeline::before { left: 11px; }
	.timeline-item::before { left: -36px; }
}

.job { padding: 22px; transition: border-color .2s, transform .2s; }
.job:hover { border-color: rgba(52, 211, 153, 0.35); }
@media (min-width: 768px) { .job { padding: 28px 30px; } }
.job-head {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	gap: 8px 24px;
	margin-bottom: 16px;
}
.job-head h3 { font-size: 1.15rem; font-weight: 700; }
.org { margin: 4px 0 0; color: var(--accent); font-weight: 600; }
.meta {
	list-style: none;
	display: grid;
	gap: 4px;
	font-size: 14px;
	color: var(--muted);
}
.meta li { display: flex; gap: 8px; align-items: center; }
@media (min-width: 768px) { .meta { text-align: right; } .meta li { justify-content: flex-end; } }

.bullets {
	list-style: none;
	display: grid;
	gap: 8px;
	margin-bottom: 18px;
	color: var(--text-2);
}
.bullets > li { position: relative; padding-left: 20px; }
.bullets > li::before {
	content: "";
	position: absolute;
	left: 2px; top: 0.7em;
	width: 6px; height: 6px;
	border-radius: 50%;
	background: var(--accent);
}
.bullets ul { list-style: none; display: grid; gap: 6px; margin-top: 8px; }
.bullets ul li { position: relative; padding-left: 18px; }
.bullets ul li::before {
	content: "";
	position: absolute;
	left: 2px; top: 0.75em;
	width: 8px; height: 2px;
	background: var(--blue);
}
.inline-link {
	white-space: nowrap;
	border-bottom: 1px solid rgba(52, 211, 153, 0.4);
}
.inline-link:hover { border-bottom-color: var(--accent-strong); }
.hl { color: var(--accent-strong); }

/* Education */
.edu-grid { display: grid; gap: 24px; }
@media (min-width: 900px) { .edu-grid { grid-template-columns: 1fr 1fr; } }
.edu { padding: 26px; }
.edu .bullets { margin-bottom: 0; }
.edu-icon {
	width: 40px; height: 40px;
	padding: 8px;
	margin-bottom: 16px;
	border-radius: 10px;
	color: var(--accent);
	background: var(--accent-soft);
}
.edu h3 { font-size: 1.12rem; font-weight: 700; }
.meta-line { margin: 6px 0 16px; font-size: 13px; color: var(--muted); }
.edu-minor { display: flex; align-items: center; gap: 18px; padding: 20px 26px; }
.edu-minor .edu-icon { margin-bottom: 0; flex-shrink: 0; }
.edu-minor .meta-line { margin-bottom: 0; }
.edu .meta-line { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 16px; line-height: 1.4; }
.edu-loc { display: inline-flex; align-items: center; gap: 5px; }
@media (min-width: 900px) { .edu-minor { grid-column: 1 / -1; } }

/* Projects */
.project-list { display: grid; gap: 24px; }
.project {
	display: grid;
	gap: 20px;
	padding: 24px;
	transition: border-color .2s, transform .2s;
}
.project:hover { border-color: rgba(52, 211, 153, 0.35); transform: translateY(-3px); }
.project h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 12px; }
.project-main > p { color: var(--text-2); font-size: 15px; }
.project-main > p:last-child { margin-bottom: 0; }
.citation {
	padding: 12px 14px;
	font-size: 13.5px !important;
	font-style: normal;
	border-left: 2px solid var(--blue);
	background: var(--blue-soft);
	border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.citation-label { display: block; margin-bottom: 4px; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--blue); }
.citation strong { color: var(--text); }
.citation-title { color: var(--text); }
.citation em { font-style: italic; }
.project-side { display: flex; flex-direction: column; gap: 20px; }
.project-links { display: flex; flex-wrap: wrap; gap: 10px; }
@media (min-width: 860px) {
	.project { grid-template-columns: minmax(0, 7fr) minmax(0, 3fr); gap: 36px; padding: 28px 32px; }
	.project-side { padding-left: 32px; border-left: 1px solid var(--border-soft); }
}

/* GitHub repos */
.repo-grid {
	display: grid;
	gap: 18px;
	grid-template-columns: 1fr;
}
@media (min-width: 768px) { .repo-grid { grid-template-columns: 1fr 1fr; } }
.repo-intro { margin: 0 0 24px; color: var(--text-2); }
.repo {
	display: flex;
	flex-direction: column;
	gap: 10px;
	padding: 20px;
	color: var(--text);
	box-shadow: none;
	transition: border-color .2s, transform .2s;
}
.repo:hover { color: var(--text); border-color: rgba(52, 211, 153, 0.4); transform: translateY(-3px); }
.repo-name {
	display: flex;
	align-items: center;
	gap: 8px;
	font-family: var(--mono);
	font-size: 15px;
	font-weight: 500;
	color: var(--accent);
	word-break: break-word;
}
.repo-desc { flex: 1; margin: 0; font-size: 14.5px; color: var(--text-2); }
.repo-meta { display: flex; gap: 16px; font-size: 13px; color: var(--muted); }
.repo-meta span { display: inline-flex; align-items: center; gap: 6px; }
.lang-dot { width: 10px; height: 10px; border-radius: 50%; flex: none; background: var(--blue); }
.lang-go { background: #00ADD8; }
.lang-python { background: #3572A5; }
.lang-java { background: #b07219; }
.repo-more { margin: 28px 0 0; }

/* Footer */
.site-footer {
	padding: 32px 0;
	border-top: 1px solid var(--border-soft);
	color: var(--muted);
	font-size: 14px;
}
.footer-inner {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 12px 24px;
}
.footer-inner p { margin: 0; }
.footer-links { list-style: none; display: flex; flex-wrap: wrap; gap: 18px; }
.footer-links a { color: var(--text-2); }
.footer-links a:hover { color: var(--accent); }

/* 404 */
.notfound {
	min-height: calc(100vh - var(--nav-h) - 100px);
	display: grid;
	place-items: center;
	text-align: center;
	padding: 64px 0;
}
.notfound .code {
	font-family: var(--mono);
	font-size: clamp(4rem, 18vw, 8rem);
	font-weight: 500;
	line-height: 1;
	margin-bottom: 16px;
	background: linear-gradient(120deg, var(--accent), var(--blue));
	-webkit-background-clip: text;
	background-clip: text;
	color: transparent;
}
.notfound p { color: var(--text-2); margin-bottom: 28px; }

/* Reveal: hidden state only applies once JS adds .js to <html> */
.js .reveal {
	opacity: 0;
	transform: translateY(18px);
	transition: opacity .6s ease, transform .6s ease;
}
.js .reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
	html { scroll-behavior: auto; }
	*, *::before, *::after {
		transition-duration: 0.01ms !important;
		animation-duration: 0.01ms !important;
	}
	.js .reveal { opacity: 1; transform: none; }
}

@media print {
	.js .reveal { opacity: 1; transform: none; transition: none; }
}