/* George Stathopoulos — personal site. Same design language as the Gatehouse website. */

:root {
	--bg: #fbfbf9;
	--bg-2: #f4f3ef;
	--surface: #ffffff;
	--ink: #141413;
	--ink-2: #3d3d3a;
	--muted: #6b6963;
	--line: #e6e4dd;
	--line-2: #d6d3ca;
	--accent: #4a3aa7;
	--accent-hover: #3d2f8e;
	--accent-ink: #ffffff;
	--accent-soft: rgba(74, 58, 167, 0.08);
	--accent-line: rgba(74, 58, 167, 0.28);
	--good: #006300;
	--good-soft: rgba(12, 163, 12, 0.1);
	--shadow: 0 1px 2px rgba(20, 20, 19, 0.05), 0 12px 32px -18px rgba(20, 20, 19, 0.28);
	--shadow-lg: 0 2px 4px rgba(20, 20, 19, 0.04), 0 40px 80px -30px rgba(42, 31, 110, 0.45);
	--radius: 16px;
	--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	--hero: linear-gradient(160deg, #3b2d91 0%, #2a1f6e 45%, #17123d 100%);
	color-scheme: light;
}

:root[data-theme="dark"] {
	--bg: #0d0d0d;
	--bg-2: #141413;
	--surface: #1a1a19;
	--ink: #f5f4ee;
	--ink-2: #c3c2b7;
	--muted: #a3a19a;
	--line: #2c2c2a;
	--line-2: #3a3a37;
	--accent: #a59cf0;
	--accent-hover: #b3abf3;
	--accent-ink: #12101f;
	--accent-soft: rgba(165, 156, 240, 0.12);
	--accent-line: rgba(165, 156, 240, 0.35);
	--good: #3fc23f;
	--good-soft: rgba(12, 163, 12, 0.16);
	--shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 12px 32px -18px rgba(0, 0, 0, 0.7);
	--shadow-lg: 0 2px 4px rgba(0, 0, 0, 0.4), 0 40px 80px -30px rgba(0, 0, 0, 0.9);
	color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
	:root:not([data-theme="light"]) {
		--bg: #0d0d0d;
		--bg-2: #141413;
		--surface: #1a1a19;
		--ink: #f5f4ee;
		--ink-2: #c3c2b7;
		--muted: #a3a19a;
		--line: #2c2c2a;
		--line-2: #3a3a37;
		--accent: #a59cf0;
		--accent-hover: #b3abf3;
		--accent-ink: #12101f;
		--accent-soft: rgba(165, 156, 240, 0.12);
		--accent-line: rgba(165, 156, 240, 0.35);
		--good: #3fc23f;
		--good-soft: rgba(12, 163, 12, 0.16);
		--shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 12px 32px -18px rgba(0, 0, 0, 0.7);
		--shadow-lg: 0 2px 4px rgba(0, 0, 0, 0.4), 0 40px 80px -30px rgba(0, 0, 0, 0.9);
		color-scheme: dark;
	}
}

/* ------------------------------------------------------------------ Base */

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

html {
	scroll-behavior: smooth;
	scroll-padding-top: 80px;
	-webkit-text-size-adjust: 100%;
	overflow-x: clip;
}

body {
	margin: 0;
	background: var(--bg);
	color: var(--ink-2);
	font: 17px/1.65 var(--font);
	-webkit-font-smoothing: antialiased;
	overflow-x: clip;
}

h1,
h2,
h3 {
	color: var(--ink);
	line-height: 1.18;
	letter-spacing: -0.02em;
	margin: 0 0 0.5em;
	text-wrap: balance;
}

p {
	margin: 0 0 1em;
	text-wrap: pretty;
}

a {
	color: var(--accent);
	text-underline-offset: 3px;
}

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

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

:focus-visible {
	outline: 2px solid var(--accent);
	outline-offset: 3px;
	border-radius: 4px;
}

.skip {
	position: absolute;
	left: -999px;
	top: 8px;
	z-index: 100;
	background: var(--accent);
	color: var(--accent-ink);
	padding: 10px 14px;
	border-radius: 10px;
	font-weight: 600;
}

.skip:focus {
	left: 12px;
}

.wrap {
	width: 100%;
	max-width: 1120px;
	margin: 0 auto;
	padding: 0 24px;
}

/* ------------------------------------------------------------------ Header */

.site-head {
	position: sticky;
	top: 0;
	z-index: 50;
	background: color-mix(in srgb, var(--bg) 84%, transparent);
	backdrop-filter: saturate(1.6) blur(14px);
	-webkit-backdrop-filter: saturate(1.6) blur(14px);
	border-bottom: 1px solid var(--line);
}

.site-head .wrap {
	display: flex;
	align-items: center;
	gap: 24px;
	height: 64px;
}

.brand {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	color: var(--ink);
	font-weight: 700;
	font-size: 17px;
	letter-spacing: -0.01em;
	text-decoration: none;
	flex-shrink: 0;
}

.brand:hover {
	color: var(--ink);
}

.monogram {
	width: 32px;
	height: 32px;
	border-radius: 9px;
	display: grid;
	place-items: center;
	color: #fff;
	font-size: 13px;
	font-weight: 750;
	letter-spacing: 0.02em;
	background: var(--hero);
	box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18);
}

.nav {
	display: flex;
	align-items: center;
	gap: 2px;
	margin-left: auto;
}

.nav a {
	white-space: nowrap;
	color: var(--ink-2);
	text-decoration: none;
	font-size: 15px;
	font-weight: 500;
	padding: 8px 12px;
	border-radius: 10px;
}

.nav a:hover,
.nav a[aria-current="true"] {
	color: var(--ink);
	background: var(--bg-2);
}

.head-actions {
	display: flex;
	align-items: center;
	gap: 8px;
}

.icon-btn {
	width: 40px;
	height: 40px;
	display: grid;
	place-items: center;
	border: 1px solid var(--line);
	background: var(--surface);
	color: var(--ink-2);
	border-radius: 10px;
	cursor: pointer;
	padding: 0;
}

.icon-btn:hover {
	color: var(--ink);
	border-color: var(--line-2);
}

.menu-btn {
	display: none;
}

@media (max-width: 1000px) {
	.nav {
		display: none;
		position: absolute;
		top: 64px;
		left: 0;
		right: 0;
		flex-direction: column;
		align-items: stretch;
		gap: 2px;
		padding: 12px 16px 18px;
		background: var(--bg);
		border-bottom: 1px solid var(--line);
		box-shadow: var(--shadow);
	}

	.nav.is-open {
		display: flex;
	}

	.nav a {
		padding: 12px 14px;
		font-size: 16px;
	}

	.menu-btn {
		display: grid;
	}

	.head-actions {
		margin-left: auto;
	}
}

@media (max-width: 520px) {
	.head-actions .btn {
		display: none;
	}
}

/* ------------------------------------------------------------------ Buttons */

.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	min-height: 44px;
	padding: 10px 20px;
	border-radius: 12px;
	border: 1px solid transparent;
	font: 600 15.5px/1.2 var(--font);
	text-decoration: none;
	cursor: pointer;
	white-space: nowrap;
	transition: transform 0.15s ease, background 0.15s ease;
}

.btn-sm {
	min-height: 38px;
	padding: 8px 14px;
	font-size: 14.5px;
	border-radius: 10px;
}

.btn-primary {
	background: var(--accent);
	color: var(--accent-ink);
}

.btn-primary:hover {
	background: var(--accent-hover);
	color: var(--accent-ink);
	transform: translateY(-1px);
}

.btn-ghost {
	background: var(--surface);
	color: var(--ink);
	border-color: var(--line-2);
}

.btn-ghost:hover {
	color: var(--ink);
	border-color: var(--ink-2);
}

.btn-light {
	background: #fff;
	color: #2a1f6e;
}

.btn-light:hover {
	color: #2a1f6e;
	transform: translateY(-1px);
}

.btn-outline-light {
	background: rgba(255, 255, 255, 0.06);
	color: #fff;
	border-color: rgba(255, 255, 255, 0.35);
}

.btn-outline-light:hover {
	color: #fff;
	background: rgba(255, 255, 255, 0.14);
}

/* ------------------------------------------------------------------ Hero */

.hero {
	position: relative;
	overflow: hidden;
	isolation: isolate;
	background: var(--hero);
	color: rgba(255, 255, 255, 0.86);
	padding: 96px 0 88px;
}

.hero canvas {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	display: block;
	z-index: -1;
	pointer-events: none;
}

.hero-grid {
	display: grid;
	grid-template-columns: auto minmax(0, 1fr);
	gap: 48px;
	align-items: center;
}

.portrait {
	width: 200px;
	height: 200px;
	border-radius: 50%;
	object-fit: cover;
	border: 3px solid rgba(255, 255, 255, 0.85);
	box-shadow: 0 24px 60px -20px rgba(0, 0, 0, 0.6);
}

.hero .eyebrow {
	display: inline-flex;
	align-items: flex-start;
	gap: 8px;
	font-size: 14px;
	font-weight: 500;
	color: rgba(255, 255, 255, 0.78);
	margin-bottom: 14px;
}

.hero .eyebrow .dot {
	flex-shrink: 0;
	margin-top: 0.5em;
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: #6ee36e;
	box-shadow: 0 0 0 4px rgba(110, 227, 110, 0.18);
}

.hero h1 {
	color: #fff;
	font-size: clamp(38px, 6vw, 62px);
	letter-spacing: -0.035em;
	margin-bottom: 10px;
}

.hero .role {
	font-size: clamp(19px, 2.2vw, 23px);
	font-weight: 600;
	color: #d9d4ff;
	margin: 0 0 18px;
}

.hero .lede {
	font-size: clamp(17px, 1.8vw, 19px);
	max-width: 640px;
	margin: 0 0 28px;
	color: rgba(255, 255, 255, 0.86);
}

.cta-row {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
}

.stats {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 14px;
	margin-top: 64px;
	padding: 0;
	list-style: none;
}

.stats li {
	background: rgba(255, 255, 255, 0.07);
	border: 1px solid rgba(255, 255, 255, 0.14);
	border-radius: 14px;
	padding: 18px 20px;
	backdrop-filter: blur(6px);
	-webkit-backdrop-filter: blur(6px);
}

.stats b {
	display: block;
	color: #fff;
	font-size: 30px;
	letter-spacing: -0.02em;
	line-height: 1.1;
	font-variant-numeric: tabular-nums;
}

.stats span {
	font-size: 14px;
	color: rgba(255, 255, 255, 0.75);
	line-height: 1.4;
	display: block;
	margin-top: 4px;
}

/* ------------------------------------------------------------------ Sections */

.section {
	padding: 104px 0;
}

.section-alt {
	background: var(--bg-2);
	border-top: 1px solid var(--line);
	border-bottom: 1px solid var(--line);
}

.kicker {
	display: block;
	color: var(--accent);
	font-size: 13.5px;
	font-weight: 700;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	margin-bottom: 12px;
}

.section-head {
	max-width: 760px;
	margin: 0 0 48px;
}

.section-head.center {
	margin: 0 auto 56px;
	text-align: center;
}

.section-head h2 {
	font-size: clamp(30px, 4vw, 44px);
}

.section-head p {
	font-size: 19px;
}

/* About */

.about {
	display: grid;
	grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
	gap: 64px;
	align-items: start;
}

.about-title {
	font-size: clamp(30px, 4vw, 44px);
	margin-bottom: 24px;
}

.about-text p {
	font-size: 18px;
}

.facts {
	background: var(--surface);
	border: 1px solid var(--line);
	border-radius: var(--radius);
	box-shadow: var(--shadow);
	padding: 8px 24px;
	margin: 0;
}

.facts div {
	display: grid;
	grid-template-columns: 120px minmax(0, 1fr);
	gap: 16px;
	padding: 14px 0;
	border-bottom: 1px solid var(--line);
}

.facts div:last-child {
	border-bottom: 0;
}

.facts dt {
	font-size: 13px;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	color: var(--muted);
	padding-top: 2px;
}

.facts dd {
	margin: 0;
	color: var(--ink);
	font-weight: 500;
}

/* AI principles */

.ai-intro {
	display: grid;
	grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
	gap: 56px;
	align-items: end;
	margin-bottom: 56px;
}

.ai-intro .section-head {
	margin: 0;
}

.pull {
	margin: 0;
	padding: 28px 30px;
	border-radius: 20px;
	background: var(--hero);
	color: #fff;
	font-size: 22px;
	line-height: 1.45;
	font-weight: 600;
	letter-spacing: -0.01em;
	box-shadow: var(--shadow-lg);
}

.pull p {
	margin: 0;
}

.pull cite {
	display: block;
	margin-top: 14px;
	font-size: 14.5px;
	font-style: normal;
	font-weight: 500;
	color: rgba(255, 255, 255, 0.75);
}

.principles {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 20px;
	list-style: none;
	padding: 0;
	margin: 0;
	counter-reset: p;
}

.principles li {
	background: var(--surface);
	border: 1px solid var(--line);
	border-radius: var(--radius);
	padding: 26px;
	box-shadow: var(--shadow);
}

.principles li.wide {
	grid-column: span 2;
}

.principles .ic {
	width: 42px;
	height: 42px;
	border-radius: 12px;
	display: grid;
	place-items: center;
	background: var(--accent-soft);
	color: var(--accent);
	margin-bottom: 16px;
}

.principles h3 {
	font-size: 19px;
	margin-bottom: 8px;
	letter-spacing: -0.01em;
}

.principles p {
	margin: 0;
	font-size: 16px;
}

/* Experience */

.company {
	display: grid;
	grid-template-columns: 240px minmax(0, 1fr);
	gap: 48px;
	padding: 40px 0;
	border-top: 1px solid var(--line);
}

.company:last-child {
	border-bottom: 1px solid var(--line);
}

.company-name {
	font-size: 22px;
	margin-bottom: 4px;
}

.period {
	color: var(--muted);
	font-size: 15px;
	margin: 0 0 14px;
}

.chips {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
	list-style: none;
	padding: 0;
	margin: 0;
}

.chips li {
	font-size: 13px;
	font-weight: 600;
	padding: 4px 10px;
	border-radius: 999px;
	background: var(--accent-soft);
	color: var(--accent);
}

.roles {
	display: grid;
	gap: 32px;
}

.role-head {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	align-items: baseline;
	gap: 4px 16px;
	margin-bottom: 8px;
}

.role-head h4 {
	margin: 0;
	color: var(--ink);
	font-size: 19px;
	letter-spacing: -0.01em;
	display: flex;
	align-items: center;
	gap: 10px;
	flex-wrap: wrap;
}

.role-head time {
	color: var(--muted);
	font-size: 15px;
	white-space: nowrap;
}

.now {
	font-size: 12px;
	font-weight: 700;
	padding: 3px 9px;
	border-radius: 999px;
	background: var(--good-soft);
	color: var(--good);
	letter-spacing: 0.02em;
}

.roles ul {
	margin: 12px 0 0;
	padding: 0;
	list-style: none;
}

.roles ul li {
	position: relative;
	padding-left: 22px;
	margin-bottom: 8px;
	font-size: 16px;
}

.roles ul li::before {
	content: "";
	position: absolute;
	left: 2px;
	top: 0.72em;
	width: 7px;
	height: 7px;
	border-radius: 50%;
	background: var(--accent);
	opacity: 0.6;
}

.roles p {
	margin: 0;
	font-size: 16.5px;
}

/* Skills */

.skills {
	display: grid;
	grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
	gap: 48px;
}

.skills h3 {
	font-size: 14px;
	text-transform: uppercase;
	letter-spacing: 0.07em;
	color: var(--muted);
	margin-bottom: 16px;
}

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

.tags li {
	padding: 8px 14px;
	border-radius: 999px;
	background: var(--surface);
	border: 1px solid var(--line);
	color: var(--ink-2);
	font-size: 15px;
}

/* Projects */

.projects {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 24px;
}

.project {
	display: flex;
	flex-direction: column;
	background: var(--surface);
	border: 1px solid var(--line);
	border-radius: 20px;
	overflow: hidden;
	box-shadow: var(--shadow);
}

.project.featured {
	grid-column: 1 / -1;
	display: grid;
	grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
}

.project-shot {
	background: linear-gradient(160deg, #3b2d91, #17123d);
	padding: 32px 0 0 32px;
	overflow: hidden;
	display: flex;
	align-items: flex-end;
}

.project-shot img {
	border-radius: 10px 0 0 0;
	box-shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.6);
	width: 100%;
	aspect-ratio: 16 / 10;
	object-fit: cover;
	object-position: top left;
}

.project-body {
	padding: 32px;
	display: flex;
	flex-direction: column;
}

.project-meta {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	align-items: center;
	margin-bottom: 14px;
	font-size: 14px;
	color: var(--muted);
}

.status {
	font-size: 12.5px;
	font-weight: 700;
	padding: 3px 10px;
	border-radius: 999px;
	background: var(--good-soft);
	color: var(--good);
}

.project h3 {
	font-size: 26px;
	margin-bottom: 4px;
}

.project .sub {
	color: var(--accent);
	font-weight: 600;
	margin-bottom: 14px;
}

.project ul.points {
	margin: 4px 0 22px;
	padding: 0;
	list-style: none;
}

.project ul.points li {
	position: relative;
	padding-left: 22px;
	margin-bottom: 6px;
	font-size: 15.5px;
}

.project ul.points li::before {
	content: "";
	position: absolute;
	left: 2px;
	top: 0.7em;
	width: 7px;
	height: 7px;
	border-radius: 50%;
	background: var(--accent);
	opacity: 0.6;
}

.project .tags {
	margin-bottom: 24px;
}

.project .tags li {
	font-size: 13px;
	padding: 4px 10px;
	background: var(--bg-2);
}

.project .cta-row {
	margin-top: auto;
}

.project.soon {
	border-style: dashed;
	border-color: var(--line-2);
	box-shadow: none;
	background: transparent;
	justify-content: center;
	align-items: flex-start;
	padding: 32px;
	min-height: 220px;
}

.project.soon .ic {
	width: 44px;
	height: 44px;
	border-radius: 12px;
	display: grid;
	place-items: center;
	background: var(--accent-soft);
	color: var(--accent);
	margin-bottom: 16px;
}

.project.soon h3 {
	font-size: 20px;
}

.project.soon p {
	margin: 0;
	font-size: 16px;
}

/* Contact */

.contact {
	background: var(--hero);
	color: rgba(255, 255, 255, 0.86);
	border-radius: 28px;
	padding: 64px 56px;
	display: grid;
	grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
	gap: 48px;
	align-items: center;
	position: relative;
	overflow: hidden;
}

.contact h2 {
	color: #fff;
	font-size: clamp(30px, 4vw, 42px);
}

.contact p {
	font-size: 18px;
	margin: 0;
}

.contact-links {
	display: grid;
	gap: 12px;
}

.contact-links a {
	display: flex;
	align-items: center;
	gap: 16px;
	padding: 16px 20px;
	border-radius: 14px;
	background: rgba(255, 255, 255, 0.08);
	border: 1px solid rgba(255, 255, 255, 0.16);
	color: #fff;
	text-decoration: none;
	transition: background 0.15s ease;
}

.contact-links a:hover {
	background: rgba(255, 255, 255, 0.14);
	color: #fff;
}

.contact-links .ic {
	width: 40px;
	height: 40px;
	border-radius: 10px;
	background: rgba(255, 255, 255, 0.12);
	display: grid;
	place-items: center;
	flex-shrink: 0;
}

.contact-links small {
	display: block;
	font-size: 12.5px;
	font-weight: 700;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: rgba(255, 255, 255, 0.7);
}

.contact-links b {
	font-weight: 600;
	overflow-wrap: anywhere;
}

.contact-links .arrow {
	margin-left: auto;
	opacity: 0.7;
}

/* Footer */

.site-foot {
	padding: 40px 0;
	border-top: 1px solid var(--line);
	font-size: 14.5px;
	color: var(--muted);
}

.site-foot .wrap {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	gap: 12px;
}

.site-foot a {
	color: var(--ink-2);
}

.heart {
	color: #d03b3b;
}

/* Reveal: a gentle fade-up, once. */

.reveal {
	opacity: 0;
	transform: translateY(14px);
	transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.no-js .reveal {
	opacity: 1;
	transform: none;
}

/* ------------------------------------------------------------------ Responsive */

@media (max-width: 900px) {
	body {
		font-size: 16.5px;
	}

	.section {
		padding: 72px 0;
	}

	.hero {
		padding: 56px 0 56px;
	}

	.hero-grid {
		grid-template-columns: 1fr;
		gap: 24px;
	}

	.portrait {
		width: 120px;
		height: 120px;
	}

	.stats {
		grid-template-columns: repeat(2, minmax(0, 1fr));
		margin-top: 40px;
	}

	.about,
	.ai-intro,
	.skills,
	.contact {
		grid-template-columns: 1fr;
		gap: 32px;
	}

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

	.principles li.wide {
		grid-column: auto;
	}

	.company {
		grid-template-columns: 1fr;
		gap: 18px;
		padding: 32px 0;
	}

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

	.project-shot {
		padding: 24px 0 0 24px;
	}

	.project-body {
		padding: 24px;
	}

	.contact {
		padding: 40px 24px;
		border-radius: 20px;
	}

	.pull {
		font-size: 19px;
		padding: 24px;
	}
}

@media (max-width: 520px) {
	.wrap {
		padding: 0 16px;
	}

	.facts {
		padding: 4px 18px;
	}

	.facts div {
		grid-template-columns: 1fr;
		gap: 2px;
	}

	.stats b {
		font-size: 26px;
	}

	.cta-row .btn {
		flex: 1 1 auto;
	}
}

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

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

	.btn {
		transition: none;
	}
}

@media print {
	.site-head,
	.hero canvas {
		display: none;
	}
}