:root {
	--bg: #f7f8f6;
	--bg-muted: #ecefeb;
	--surface: rgba(255, 255, 255, 0.84);
	--surface-strong: #ffffff;
	--text: #101820;
	--text-muted: #53606b;
	--line: rgba(16, 24, 32, 0.12);
	--line-strong: rgba(16, 24, 32, 0.24);
	--accent: #0e7490;
	--accent-strong: #0f4c81;
	--accent-warm: #a35d1c;
	--accent-red: #9f2936;
	--shadow: 0 24px 70px rgba(18, 28, 38, 0.14);
	--shadow-soft: 0 14px 36px rgba(18, 28, 38, 0.1);
	--radius: 8px;
	--radius-small: 6px;
	--header-height: 4.5rem;
}

html[data-theme="dark"] {
	--bg: #071019;
	--bg-muted: #0d1722;
	--surface: rgba(16, 27, 39, 0.78);
	--surface-strong: #111f2d;
	--text: #edf5f7;
	--text-muted: #a9b8c1;
	--line: rgba(237, 245, 247, 0.12);
	--line-strong: rgba(237, 245, 247, 0.22);
	--accent: #58c7d9;
	--accent-strong: #7ec9ff;
	--accent-warm: #e1a44b;
	--accent-red: #f0787d;
	--shadow: 0 26px 76px rgba(0, 0, 0, 0.36);
	--shadow-soft: 0 16px 42px rgba(0, 0, 0, 0.28);
	color-scheme: dark;
}

* {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
	scroll-padding-top: 5.5rem;
	color-scheme: light;
}

body {
	margin: 0;
	background:
		linear-gradient(90deg, rgba(14, 116, 144, 0.05) 1px, transparent 1px),
		linear-gradient(0deg, rgba(163, 93, 28, 0.04) 1px, transparent 1px),
		var(--bg);
	background-size: 40px 40px, 40px 40px, auto;
	color: var(--text);
	font-family: Inter, "IBM Plex Sans", "Source Sans Pro", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
	font-size: 16px;
	line-height: 1.68;
	text-rendering: optimizeLegibility;
	-webkit-font-smoothing: antialiased;
}

body::before {
	position: fixed;
	inset: 0;
	z-index: -1;
	pointer-events: none;
	content: "";
	background:
		linear-gradient(120deg, rgba(14, 116, 144, 0.1), transparent 34%),
		linear-gradient(300deg, rgba(159, 41, 54, 0.07), transparent 38%);
}

img {
	display: block;
	max-width: 100%;
}

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

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

button,
a {
	-webkit-tap-highlight-color: transparent;
}

:focus-visible {
	outline: 3px solid var(--accent-warm);
	outline-offset: 4px;
}

.skip-link {
	position: absolute;
	top: 0.75rem;
	left: 0.75rem;
	z-index: 100;
	padding: 0.65rem 0.85rem;
	border-radius: var(--radius-small);
	background: var(--surface-strong);
	color: var(--text);
	box-shadow: var(--shadow-soft);
	transform: translateY(-180%);
	transition: transform 180ms ease;
}

.skip-link:focus {
	transform: translateY(0);
}

.site-header {
	position: sticky;
	top: 0;
	z-index: 50;
	border-bottom: 1px solid var(--line);
	background: var(--bg);
	background: color-mix(in srgb, var(--bg) 86%, transparent);
	backdrop-filter: blur(18px);
}

.nav-shell {
	display: grid;
	grid-template-columns: auto minmax(0, 1fr) auto;
	gap: 1.25rem;
	align-items: center;
	max-width: 1180px;
	min-height: var(--header-height);
	margin: 0 auto;
	padding: 0 1.5rem;
}

.brand {
	display: inline-flex;
	gap: 0.65rem;
	align-items: center;
	color: var(--text);
	font-weight: 760;
	text-decoration: none;
	white-space: nowrap;
}

.brand-mark {
	display: inline-grid;
	place-items: center;
	width: 2.25rem;
	height: 2.25rem;
	border: 1px solid var(--line-strong);
	border-radius: var(--radius-small);
	background:
		linear-gradient(135deg, rgba(14, 116, 144, 0.16), rgba(163, 93, 28, 0.12)),
		var(--surface);
	color: var(--accent-strong);
	font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
	font-size: 0.78rem;
}

.brand-text {
	font-size: 0.98rem;
}

.nav-scroller {
	display: flex;
	justify-content: center;
	gap: 0.25rem;
	overflow-x: auto;
	scrollbar-width: none;
}

.nav-scroller::-webkit-scrollbar {
	display: none;
}

.nav-scroller a {
	display: inline-flex;
	align-items: center;
	min-height: 2.4rem;
	padding: 0 0.72rem;
	border-radius: var(--radius-small);
	color: var(--text-muted);
	font-size: 0.9rem;
	font-weight: 650;
	text-decoration: none;
	white-space: nowrap;
	transition: color 180ms ease, background 180ms ease;
}

.nav-scroller a:hover,
.nav-scroller a.is-active {
	background: rgba(14, 116, 144, 0.1);
	color: var(--accent-strong);
}

.theme-toggle,
.icon-button {
	display: inline-grid;
	place-items: center;
	width: 2.55rem;
	height: 2.55rem;
	border: 1px solid var(--line);
	border-radius: var(--radius-small);
	background: var(--surface);
	color: var(--text);
	cursor: pointer;
	transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.theme-toggle:hover,
.icon-button:hover {
	border-color: var(--accent);
	background: var(--surface-strong);
	color: var(--accent-strong);
	transform: translateY(-1px);
}

.page-shell {
	width: min(1180px, calc(100% - 3rem));
	margin: 0 auto;
}

.section-band {
	position: relative;
	padding: 5.5rem 0;
}

.section-band.muted {
	background:
		linear-gradient(90deg, transparent, rgba(14, 116, 144, 0.06), transparent),
		var(--bg-muted);
}

.hero {
	overflow: hidden;
	padding: 5.5rem 0 3.5rem;
	background:
		linear-gradient(90deg, rgba(7, 16, 25, 0.92), rgba(7, 16, 25, 0.68) 56%, rgba(7, 16, 25, 0.38)),
		url("../../images/homepage/about-bg.jpg") center / cover no-repeat;
	color: #f7fbfc;
}

.hero::after {
	position: absolute;
	right: 0;
	bottom: 1.5rem;
	left: 0;
	height: 1px;
	content: "";
	background: linear-gradient(90deg, transparent, #68d7e7, #f2bd5a, #f0787d, transparent);
	opacity: 0.72;
}

.hero-grid {
	display: grid;
	grid-template-columns: minmax(0, 1.18fr) minmax(19rem, 0.82fr);
	gap: 3rem;
	align-items: center;
}

.hero-copy {
	max-width: 47rem;
}

.hero-identity {
	display: flex;
	align-items: center;
	margin-bottom: 0.95rem;
}

.eyebrow {
	margin: 0 0 0.9rem;
	color: var(--accent-warm);
	font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
	font-size: 0.78rem;
	font-weight: 760;
	text-transform: uppercase;
}

.hero .eyebrow {
	margin-bottom: 0;
	color: #f2bd5a;
}

h1,
h2,
h3,
p {
	margin-top: 0;
}

h1,
h2,
h3 {
	line-height: 1.12;
	font-weight: 760;
}

h1 {
	margin-bottom: 1rem;
	font-size: 4.4rem;
}

h2 {
	margin-bottom: 1rem;
	font-size: 2.35rem;
}

h3 {
	margin-bottom: 0.55rem;
	font-size: 1.14rem;
}

.hero-lede {
	max-width: 42rem;
	margin-bottom: 1.7rem;
	color: rgba(247, 251, 252, 0.86);
	font-size: 1.18rem;
	line-height: 1.72;
}

.hero-actions,
.contact-actions,
.project-links {
	display: flex;
	flex-wrap: wrap;
	gap: 0.7rem;
	align-items: center;
}

.button {
	display: inline-flex;
	gap: 0.55rem;
	align-items: center;
	justify-content: center;
	min-height: 2.8rem;
	padding: 0.72rem 1rem;
	border: 1px solid var(--line-strong);
	border-radius: var(--radius-small);
	background: var(--surface);
	color: var(--text);
	font-weight: 720;
	text-decoration: none;
	box-shadow: 0 1px 0 rgba(255, 255, 255, 0.1) inset;
	transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease, background 180ms ease;
}

.hero .button,
.hero .icon-button {
	border-color: rgba(247, 251, 252, 0.2);
	background: rgba(247, 251, 252, 0.1);
	color: #f7fbfc;
}

.button:hover {
	border-color: var(--accent);
	background: var(--surface-strong);
	color: var(--accent-strong);
	box-shadow: var(--shadow-soft);
	transform: translateY(-1px);
}

.hero .button:hover,
.hero .icon-button:hover {
	background: rgba(247, 251, 252, 0.18);
	color: #ffffff;
}

.button-primary {
	border-color: transparent;
	background: linear-gradient(135deg, var(--accent-strong), var(--accent), var(--accent-warm));
	color: #ffffff;
}

.button-primary:hover {
	border-color: transparent;
	background: linear-gradient(135deg, var(--accent), var(--accent-strong), var(--accent-red));
	color: #ffffff;
}

.instrument-panel {
	position: relative;
	border: 1px solid rgba(247, 251, 252, 0.18);
	border-radius: var(--radius);
	background:
		linear-gradient(135deg, rgba(104, 215, 231, 0.08), transparent 42%),
		rgba(7, 16, 25, 0.5);
	box-shadow: 0 34px 90px rgba(0, 0, 0, 0.34);
	overflow: hidden;
}

.portrait-panel {
	max-width: 24rem;
	justify-self: end;
}

.portrait-visual {
	position: relative;
	aspect-ratio: 0.94;
	overflow: hidden;
}

.portrait-visual img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: center 36%;
}

.signal-readout {
	display: grid;
	grid-template-columns: 1fr;
	gap: 0.35rem;
	padding: 1rem;
	border-top: 1px solid rgba(247, 251, 252, 0.14);
	color: rgba(247, 251, 252, 0.72);
	font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
	font-size: 0.75rem;
	text-transform: uppercase;
}

.signal-readout span::before {
	display: inline-block;
	width: 0.42rem;
	height: 0.42rem;
	margin-right: 0.55rem;
	border-radius: 999px;
	background: #68d7e7;
	content: "";
	box-shadow: 0 0 18px rgba(104, 215, 231, 0.9);
}

.metrics-strip {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 1px;
	margin-top: 3rem;
	border: 1px solid rgba(247, 251, 252, 0.18);
	border-radius: var(--radius);
	background: rgba(247, 251, 252, 0.16);
	overflow: hidden;
}

.metrics-strip div {
	padding: 1.05rem;
	background: rgba(7, 16, 25, 0.44);
}

.metrics-strip strong,
.metrics-strip span {
	display: block;
}

.metrics-strip strong {
	color: #ffffff;
	font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
	font-size: 1.12rem;
}

.metrics-strip span {
	margin-top: 0.25rem;
	color: rgba(247, 251, 252, 0.68);
	font-size: 0.86rem;
}

.two-column {
	display: grid;
	grid-template-columns: 0.42fr 0.58fr;
	gap: 3rem;
	align-items: start;
}

.section-heading {
	max-width: 31rem;
}

.section-heading.compact {
	max-width: 46rem;
	margin-bottom: 2rem;
}

.section-heading p:not(.eyebrow),
.prose p {
	color: var(--text-muted);
	font-size: 1.02rem;
}

.prose p:last-child,
.section-heading p:last-child {
	margin-bottom: 0;
}

.keyword-cloud {
	display: flex;
	flex-wrap: wrap;
	gap: 0.55rem;
	margin-top: 1.4rem;
}

.keyword-cloud span {
	display: inline-flex;
	align-items: center;
	min-height: 2.1rem;
	padding: 0.42rem 0.7rem;
	border: 1px solid var(--line);
	border-radius: var(--radius-small);
	background: var(--surface);
	color: var(--text-muted);
	font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
	font-size: 0.78rem;
}

.research-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 1rem;
}

.research-card,
.project-card,
.tool-grid > div {
	border: 1px solid var(--line);
	border-radius: var(--radius);
	background: var(--surface);
	box-shadow: var(--shadow-soft);
}

.research-card {
	padding: 1.3rem;
	transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.research-card:hover,
.project-card:hover {
	border-color: rgba(14, 116, 144, 0.38);
	box-shadow: var(--shadow);
	transform: translateY(-2px);
}

.card-index {
	margin-bottom: 1.6rem;
	color: var(--accent-warm);
	font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
	font-size: 0.84rem;
}

.research-card p,
.project-card p,
.tool-grid p,
.experience-row p,
.publication-item p {
	margin-bottom: 0;
	color: var(--text-muted);
}

.research-map {
	position: relative;
	display: grid;
	grid-template-columns: 1.2fr repeat(4, 1fr);
	gap: 1px;
	margin-top: 1.25rem;
	border: 1px solid var(--line);
	border-radius: var(--radius);
	background:
		linear-gradient(90deg, rgba(14, 116, 144, 0.08), transparent),
		var(--line);
	overflow: hidden;
}

.map-node {
	display: grid;
	place-items: center;
	min-height: 5.7rem;
	padding: 1rem;
	background: var(--surface);
	color: var(--text-muted);
	font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
	font-size: 0.8rem;
	text-align: center;
}

.map-node.primary {
	background:
		linear-gradient(135deg, rgba(14, 116, 144, 0.22), rgba(163, 93, 28, 0.14)),
		var(--surface-strong);
	color: var(--text);
	font-weight: 800;
}

.project-list {
	display: grid;
	gap: 1rem;
}

.project-card {
	display: grid;
	grid-template-columns: minmax(0, 1fr) auto;
	gap: 1.5rem;
	align-items: center;
	padding: 1.3rem;
	transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.project-meta,
.venue {
	color: var(--accent-warm);
	font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
	font-size: 0.78rem;
}

.text-link {
	display: inline-flex;
	align-items: center;
	min-height: 2.35rem;
	padding: 0.3rem 0.65rem;
	border: 1px solid var(--line);
	border-radius: var(--radius-small);
	color: var(--accent-strong);
	font-weight: 760;
	text-decoration: none;
	white-space: nowrap;
}

.text-link:hover {
	border-color: var(--accent);
	background: rgba(14, 116, 144, 0.1);
}

.publication-timeline {
	position: relative;
	display: grid;
	gap: 0.9rem;
}

.publication-item {
	display: grid;
	grid-template-columns: 5.5rem minmax(0, 1fr);
	gap: 1rem;
	padding: 1.15rem 0;
	border-top: 1px solid var(--line);
}

.publication-item time {
	color: var(--accent-warm);
	font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
	font-weight: 760;
}

.publication-item h3 {
	margin-bottom: 0.45rem;
	font-size: 1.03rem;
	line-height: 1.34;
}

.publication-item h3 a {
	color: var(--text);
	text-decoration: none;
}

.publication-item h3 a:hover {
	color: var(--accent-strong);
	text-decoration: underline;
}

.publication-item.featured {
	padding: 1.15rem;
	border: 1px solid rgba(14, 116, 144, 0.26);
	border-radius: var(--radius);
	background:
		linear-gradient(90deg, rgba(14, 116, 144, 0.11), rgba(163, 93, 28, 0.06)),
		var(--surface);
}

.experience-stack {
	display: grid;
	gap: 1rem;
}

.experience-row {
	display: grid;
	grid-template-columns: 6.8rem minmax(0, 1fr);
	gap: 1rem;
	padding: 0 0 1.1rem;
	border-bottom: 1px solid var(--line);
}

.experience-row > span {
	color: var(--accent-warm);
	font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
	font-size: 0.8rem;
	font-weight: 760;
}

.tool-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 1rem;
}

.tool-grid > div {
	padding: 1.2rem;
}

.credential-list {
	display: grid;
	gap: 0.62rem;
	margin: 0;
	padding: 0;
	color: var(--text-muted);
	list-style: none;
}

.credential-list li {
	position: relative;
	padding-left: 1rem;
	line-height: 1.55;
}

.credential-list li::before {
	position: absolute;
	top: 0.68em;
	left: 0;
	width: 0.38rem;
	height: 0.38rem;
	border-radius: 50%;
	background: var(--accent-warm);
	content: "";
}

.contact-band {
	background:
		linear-gradient(120deg, rgba(14, 116, 144, 0.12), rgba(163, 93, 28, 0.1)),
		var(--bg);
}

.contact-grid {
	display: grid;
	grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
	gap: 2rem;
	align-items: center;
}

.contact-actions {
	justify-content: flex-end;
}

.site-footer {
	padding: 1.6rem 0;
	border-top: 1px solid var(--line);
	background: var(--bg);
	color: var(--text-muted);
	font-size: 0.9rem;
}

.site-footer p {
	margin: 0;
}

.reveal {
	opacity: 0;
	transform: translateY(16px);
	transition: opacity 520ms ease, transform 520ms ease;
}

.reveal.is-visible {
	opacity: 1;
	transform: translateY(0);
}

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

	*,
	*::before,
	*::after {
		animation-duration: 1ms !important;
		scroll-behavior: auto !important;
		transition-duration: 1ms !important;
	}

	.reveal {
		opacity: 1;
		transform: none;
	}
}

@media (max-width: 980px) {
	:root {
		--header-height: 4rem;
	}

	.nav-shell {
		grid-template-columns: auto auto;
		gap: 0.75rem;
		padding: 0.6rem 1rem 0.7rem;
	}

	.nav-scroller {
		grid-column: 1 / -1;
		justify-content: flex-start;
		margin: 0 -1rem;
		padding: 0 1rem;
	}

	.page-shell {
		width: min(100% - 2rem, 760px);
	}

	.hero {
		padding: 3.4rem 0 2.5rem;
	}

	.hero-grid,
	.two-column,
	.contact-grid {
		grid-template-columns: 1fr;
		gap: 2rem;
	}

	.hero-copy {
		max-width: none;
	}

	h1 {
		font-size: 3.2rem;
	}

	h2 {
		font-size: 2rem;
	}

	.hero-lede {
		font-size: 1.06rem;
	}

	.instrument-panel {
		max-width: 26rem;
		justify-self: start;
	}

	.metrics-strip,
	.research-grid,
	.tool-grid {
		grid-template-columns: repeat(2, 1fr);
	}

	.research-map {
		grid-template-columns: repeat(2, 1fr);
	}

	.contact-actions {
		justify-content: flex-start;
	}
}

@media (max-width: 640px) {
	body {
		font-size: 15.5px;
		background-size: 32px 32px, 32px 32px, auto;
	}

	.brand-text {
		display: none;
	}

	.nav-scroller a {
		min-height: 2.55rem;
		padding: 0 0.8rem;
		font-size: 0.88rem;
	}

	.theme-toggle,
	.icon-button {
		width: 2.55rem;
		height: 2.55rem;
	}

	.section-band {
		padding: 3.25rem 0;
	}

	.hero {
		padding-top: 2.2rem;
		background-position: 58% center;
	}

	h1 {
		font-size: 2.7rem;
	}

	h2 {
		font-size: 1.72rem;
	}

	h3 {
		font-size: 1.05rem;
	}

	.hero-actions,
	.contact-actions {
		align-items: stretch;
	}

	.hero-actions .button,
	.contact-actions .button {
		width: 100%;
	}

	.instrument-panel {
		max-width: none;
	}

	.portrait-visual {
		aspect-ratio: 5 / 4;
	}

	.research-grid,
	.tool-grid,
	.research-map {
		grid-template-columns: 1fr;
	}

	.metrics-strip {
		grid-template-columns: repeat(2, 1fr);
	}

	.metrics-strip div {
		padding: 0.95rem;
	}

	.project-card {
		grid-template-columns: 1fr;
		gap: 1rem;
	}

	.project-links {
		align-items: stretch;
	}

	.project-links .text-link {
		justify-content: center;
	}

	.publication-item {
		grid-template-columns: 1fr;
		gap: 0.4rem;
		padding: 1rem 0;
	}

	.publication-item.featured {
		padding: 1rem;
	}

	.publication-item h3 {
		font-size: 1rem;
	}

	.experience-row {
		grid-template-columns: 1fr;
		gap: 0.35rem;
	}
}