:root {
	--ink: #0d2230;
	--muted: #5b6870;
	--paper:  #f4f2f2;
	--surface: #ffffff;
	--line: #ded7cc;
	--accent: #315f73;
	--accent-dark: #183848;
	--warm: #a97874;
	--mist: #cbdadd;
	--dusk: #725b65;
	--shadow: 0 18px 45px rgba(13, 34, 48, 0.14);
}

* {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
}

body {
	margin: 0;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
	color: var(--ink);
	background: var(--paper);
	line-height: 1.6;
}

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

a {
	color: inherit;
	text-decoration: none;
}

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

.site-nav {
	position: sticky;
	top: 0;
	z-index: 10;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 24px;
	padding: 18px 6vw;
	background: rgba(246, 242, 236, 0.94);
	border-bottom: 1px solid rgba(222, 215, 204, 0.85);
	backdrop-filter: blur(14px);
}

.site-brand {
	font-weight: 800;
	font-size: 16px;
}

.site-nav-links {
	display: flex;
	align-items: center;
	flex-wrap: wrap;
	justify-content: flex-end;
	gap: 8px 18px;
	font-size: 14px;
	font-weight: 700;
}

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

.site-nav-links a:hover,
.site-nav-links a:focus,
.site-nav-links a[aria-current="page"] {
	color: var(--accent);
}

.hero {
	position: relative;
	min-height: calc(100vh - 68px);
	display: grid;
	align-items: start;
	padding: 18vh 6vw 8vh;
	overflow: hidden;
}

.hero-media {
	position: absolute;
	inset: -80px 0 0;
	background:
		linear-gradient(90deg, rgba(9, 20, 29, 0.8), rgba(18, 43, 58, 0.42) 48%, rgba(18, 43, 58, 0.12)),
		url("../img/bg.jpg") center / cover no-repeat;
}

.hero-content {
	position: relative;
	width: min(680px, 100%);
	color: #ffffff;
}

.eyebrow {
	margin: 0 0 14px;
	color: var(--warm);
	font-size: 15px;
	font-weight: 800;
	text-transform: uppercase;
	letter-spacing: 0;
}

.hero .eyebrow {
	color: #e5b1a6;
}

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

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

h1 {
	margin-bottom: 22px;
	font-size: clamp(32px, 4.2vw, 50px);
	font-weight: 850;
}

h2 {
	margin-bottom: 18px;
	font-size: clamp(30px, 4vw, 50px);
	font-weight: 820;
}

h3 {
	margin-bottom: 10px;
	font-size: 22px;
	font-weight: 800;
}

.hero-summary,
.section-copy p,
.feature-text p,
.project-card p,
.project-row p,
.timeline-item p,
.work-card p,
.stack-group p,
.education-list p {
	font-size: 18px;
	color: var(--muted);
}

.hero-summary {
	max-width: 660px;
	color: rgba(255, 255, 255, 0.88);
}

.hero-actions,
.project-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	margin-top: 28px;
}

.button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	min-height: 44px;
	padding: 11px 18px;
	border: 1px solid var(--accent);
	border-radius: 6px;
	font-weight: 800;
	line-height: 1.2;
}

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

.button-primary:hover,
.button-primary:focus {
	background: var(--accent-dark);
	color: #ffffff;
	border-color: var(--accent-dark);
}

.button-secondary {
	background: rgba(255, 255, 255, 0.74);
	color: var(--accent-dark);
}

.button-secondary:hover,
.button-secondary:focus {
	background: #ffffff;
	color: var(--accent);
}

.section,
.page-shell {
	padding: 68px 6vw;
}

.split-section {
	display: grid;
	grid-template-columns: minmax(240px, 0.75fr) minmax(280px, 1fr);
	gap: 56px;
	align-items: start;
}

.section-copy {
	max-width: 720px;
}

#about {
	padding-bottom: 42px;
}

#expertise {
	padding-top: 42px;
}

.feature-band {
	display: grid;
	grid-template-columns: minmax(280px, 0.72fr) minmax(300px, 1fr);
	gap: 42px;
	align-items: center;
	background: var(--surface);
	border-top: 1px solid var(--line);
	border-bottom: 1px solid var(--line);
}

.feature-text {
	max-width: 620px;
}

.role-line {
	color: var(--accent);
	font-size: 20px;
	font-weight: 850;
}

.feature-images {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 12px;
}

.feature-images img {
	width: 100%;
	aspect-ratio: 1;
	object-fit: cover;
	border-radius: 6px;
	background: var(--mist);
}

.text-link {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	color: var(--accent);
	font-weight: 800;
}

.section-heading-row {
	display: flex;
	align-items: end;
	justify-content: space-between;
	gap: 24px;
	margin-bottom: 18px;
}

.section-heading-row .eyebrow,
.split-section > div:first-child > .eyebrow {
	margin-bottom: 0;
}

.project-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 20px;
}

.project-grid-compact {
	grid-template-columns: repeat(2, minmax(0, 1fr));
}

.project-card,
.project-row,
.resume-section,
.resume-sidebar,
.work-card,
.stack-group,
.education-list article {
	background: var(--surface);
	border: 1px solid var(--line);
	border-radius: 8px;
	box-shadow: var(--shadow);
}

.project-card {
	overflow: hidden;
}

.project-card img {
	width: 100%;
	aspect-ratio: 4 / 3;
	object-fit: cover;
	background: var(--mist);
}

.project-card div {
	padding: 22px;
}

.project-kicker {
	margin-bottom: 8px;
	color: var(--warm);
	font-size: 12px;
	font-weight: 850;
	text-transform: uppercase;
}

.expertise-list {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.expertise-list li {
	padding: 8px 12px;
	border: 1px solid rgba(49, 95, 115, 0.2);
	border-radius: 999px;
	background: rgba(255, 255, 255, 0.54);
	color: var(--accent-dark);
	font-size: 14px;
	font-weight: 800;
	line-height: 1.2;
}

.work-section {
	background: #edf3f8;
	border-top: 1px solid var(--line);
	border-bottom: 1px solid var(--line);
}

.work-grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 20px;
}

.work-card {
	padding: 26px;
}

.work-card-featured {
	grid-column: 1 / -1;
	background: var(--ink);
	color: #ffffff;
}

.work-card-featured p {
	color: rgba(255, 255, 255, 0.78);
}

.publication-section {
	background: var(--surface);
	border-top: 1px solid var(--line);
	border-bottom: 1px solid var(--line);
}

.publication-list {
	margin: 0;
	padding: 0;
	list-style: none;
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 16px;
}

.publication-list li {
	position: relative;
	min-height: 112px;
	padding: 22px 24px 22px 28px;
	border: 1px solid var(--line);
	border-radius: 6px;
	background: #f8fafb;
	box-shadow: 0 12px 30px rgba(13, 34, 48, 0.08);
	font-size: 19px;
	font-weight: 800;
	line-height: 1.28;
}

.publication-list li::before {
	content: "";
	position: absolute;
	top: 22px;
	bottom: 22px;
	left: 0;
	width: 4px;
	background: var(--accent);
	border-radius: 0 4px 4px 0;
}

.stack-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 18px;
}

.technology-section {
	background: #f1f6fb;
	border-top: 1px solid var(--line);
	border-bottom: 1px solid var(--line);
}

.stack-group {
	padding: 22px;
}

.stack-group h3,
.education-list h3 {
	font-size: 20px;
}

.stack-group h3 {
	margin-bottom: 16px;
	color: var(--accent-dark);
}

.stack-tags {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.stack-tags li {
	padding: 7px 10px;
	border: 1px solid rgba(49, 95, 115, 0.18);
	border-radius: 999px;
	background: #f8fafb;
	color: var(--accent-dark);
	font-size: 13px;
	font-weight: 800;
	line-height: 1.2;
}

.education-list {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 20px;
	margin-top: 18px;
}

.education-section {
	background: #fdfbf7;
}

.education-list article {
	position: relative;
	padding: 24px;
	overflow: hidden;
}

.education-list article::before {
	content: "";
	position: absolute;
	inset: 0 auto 0 0;
	width: 5px;
	background: var(--warm);
}

.education-list h3 {
	color: var(--accent-dark);
}

.education-list .muted {
	margin-bottom: 12px;
}

.more-about-section {
	background: #f3f0f1;
}

.more-about-panel {
	padding: 34px 38px;
	border: 1px solid rgba(114, 91, 101, 0.18);
	border-radius: 8px;
	background: rgba(255, 255, 255, 0.62);
	box-shadow: 0 14px 34px rgba(13, 34, 48, 0.08);
}

.more-about-copy {
	max-width: 920px;
}

.more-about-copy p:last-child {
	margin-bottom: 0;
	color: var(--accent-dark);
	font-size: 18px;
	font-weight: 650;
	line-height: 1.7;
}

.contact-strip {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 28px;
	background: var(--ink);
	color: #ffffff;
}

.contact-strip h2 {
	margin-bottom: 0;
}

.contact-links {
	display: flex;
	flex-wrap: wrap;
	gap: 14px;
}

.contact-links a {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 10px 14px;
	border: 1px solid rgba(255, 255, 255, 0.28);
	border-radius: 6px;
	color: #ffffff;
	font-weight: 800;
}

.site-footer {
	padding: 34px 6vw;
	background: #09151e;
	color: rgba(255, 255, 255, 0.72);
}

.site-footer p {
	margin: 0;
	font-size: 14px;
}

.page-header {
	max-width: 980px;
	margin-bottom: 44px;
}

.page-header h1 {
	font-size: clamp(38px, 6vw, 72px);
}

.resume-layout {
	display: grid;
	grid-template-columns: minmax(230px, 320px) minmax(0, 1fr);
	gap: 28px;
	align-items: start;
}

.resume-sidebar {
	padding: 22px;
	position: sticky;
	top: 92px;
}

.sidebar-block + .sidebar-block {
	margin-top: 28px;
}

.sidebar-block h2,
.resume-section h2 {
	margin-bottom: 16px;
	font-size: 20px;
}

.sidebar-block a {
	display: block;
	margin-bottom: 10px;
	color: var(--accent);
	font-weight: 750;
}

.tag-list {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.tag-list li {
	padding: 6px 10px;
	border-radius: 6px;
	background: #edf3f8;
	color: var(--accent-dark);
	font-size: 13px;
	font-weight: 800;
}

.stack-list {
	display: grid;
	gap: 10px;
	margin: 0;
	padding: 0;
	list-style: none;
	color: var(--muted);
	font-size: 15px;
	font-weight: 700;
	line-height: 1.45;
}

.resume-main {
	display: grid;
	gap: 20px;
}

.resume-section {
	padding: 28px;
}

.strength-grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 16px;
}

.strength-grid div {
	padding: 16px;
	border: 1px solid var(--line);
	border-radius: 8px;
	background: rgba(255, 255, 255, 0.58);
}

.strength-grid h3 {
	margin-bottom: 8px;
	color: var(--accent-dark);
	font-size: 18px;
}

.strength-grid p,
.skill-groups p {
	margin-bottom: 10px;
	color: var(--muted);
}

.timeline-item + .timeline-item {
	margin-top: 28px;
	padding-top: 28px;
	border-top: 1px solid var(--line);
}

.timeline-item p:last-child {
	margin-bottom: 0;
}

.resume-bullets {
	margin: 12px 0 0;
	padding-left: 20px;
	color: var(--muted);
	font-size: 17px;
}

.resume-bullets strong {
	color: var(--ink);
}

.resume-bullets li + li {
	margin-top: 8px;
}

.muted {
	color: var(--muted);
	font-weight: 700;
}

.project-list {
	display: grid;
	gap: 22px;
}

.project-row {
	display: grid;
	grid-template-columns: minmax(220px, 360px) minmax(0, 1fr);
	gap: 28px;
	align-items: center;
	padding: 20px;
}

.project-row img {
	width: 100%;
	aspect-ratio: 4 / 3;
	object-fit: cover;
	border-radius: 6px;
	background: var(--mist);
}

@media (max-width: 860px) {
	.site-nav {
		position: static;
		align-items: flex-start;
		flex-direction: column;
	}

	.site-nav-links {
		justify-content: flex-start;
	}

	.hero {
		min-height: 680px;
	}

	.split-section,
	.feature-band,
	.resume-layout,
	.project-row {
		grid-template-columns: 1fr;
	}

	.resume-sidebar {
		position: static;
	}

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

	.work-grid,
	.stack-grid,
	.strength-grid,
	.education-list,
	.publication-list {
		grid-template-columns: 1fr;
	}

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

	.contact-strip,
	.section-heading-row {
		align-items: flex-start;
		flex-direction: column;
	}
}

@media (max-width: 520px) {
	.site-nav,
	.section,
	.page-shell,
	.site-footer {
		padding-left: 22px;
		padding-right: 22px;
	}

	.hero {
		padding-left: 22px;
		padding-right: 22px;
	}

	.button,
	.contact-links a {
		width: 100%;
	}

}