:root {
	--bg: #0a0a0a;
	--panel: #0f0f12;
	--panel-2: #121218;
	--text: #d7d7db;
	--muted: #9aa0a6;
	--accent: #00ffff;
	--accent2: #ff00ff;
	--success: #00ff9d;
	--warning: #ffae00;
	--danger: #ff3366;
	--ring: 0 0 12px rgba(0, 255, 255, .5), 0 0 24px rgba(255, 0, 255, .25);
}

* {
	box-sizing: border-box
}

html,
body {
	margin: 0;
	padding: 0
}

html {
	scroll-behavior: smooth
}

body {
	font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, 'Helvetica Neue', Arial, 'Noto Sans', 'Liberation Sans', sans-serif;
	color: var(--text);
	background: var(--bg) url('../assets/images/circuit-bg.svg') center/cover fixed no-repeat;
	line-height: 1.6;
}

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

a:hover {
	text-decoration: underline
}

a:focus {
	outline: 2px dashed var(--accent);
	outline-offset: 3px
}

.container {
	width: min(1100px, 92vw);
	margin-inline: auto
}

header.site-header {
	position: sticky;
	top: 0;
	z-index: 1000;
	backdrop-filter: blur(6px);
	background: linear-gradient(180deg, rgba(10, 10, 10, .9), rgba(10, 10, 10, .6));
	border-bottom: 1px solid rgba(0, 255, 255, .15)
}

.nav {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: .8rem 0
}

.brand .logo {
	font-family: 'Orbitron', ui-sans-serif, system-ui, sans-serif;
	font-weight: 800;
	letter-spacing: .06em;
	color: var(--accent);
	text-shadow: 0 0 6px var(--accent), 0 0 18px rgba(255, 0, 255, .35);
	font-size: 1.15rem
}

nav ul {
	display: flex;
	gap: 1rem;
	list-style: none;
	padding: 0;
	margin: 0
}

nav a {
	padding: .45rem .7rem;
	border: 1px solid transparent;
	border-radius: 6px
}

nav a:hover {
	border-color: rgba(255, 0, 255, .35);
	box-shadow: var(--ring)
}

.hero {
	display: grid;
	grid-template-columns: 1.25fr 1fr;
	gap: 2rem;
	align-items: center;
	padding: 3rem 0 2rem
}

@media (max-width:860px) {
	.hero {
		grid-template-columns: 1fr
	}
}

.hero-card {
	background: linear-gradient(180deg, var(--panel), var(--panel-2));
	border: 1px solid rgba(0, 255, 255, .18);
	border-radius: 14px;
	padding: 1.2rem 1.2rem 1.4rem;
	box-shadow: var(--ring)
}

h1,
h2,
h3 {
	font-family: 'Orbitron', ui-sans-serif, system-ui, sans-serif;
	letter-spacing: .04em
}

h1 {
	font-size: clamp(1.8rem, 2.8vw + 1rem, 2.8rem);
	margin: .2rem 0 .6rem
}

h2 {
	font-size: clamp(1.3rem, 1.2vw + 1rem, 1.8rem);
	margin: 1.6rem 0 .8rem
}

h3 {
	font-size: clamp(1.05rem, .8vw + 1rem, 1.3rem);
	margin: 1rem 0 .5rem
}

.tags {
	display: flex;
	flex-wrap: wrap;
	gap: .5rem;
	margin: .5rem 0 0
}

.tag {
	font-size: .82rem;
	letter-spacing: .02em;
	padding: .25rem .5rem;
	border-radius: 999px;
	border: 1px solid rgba(0, 255, 255, .28);
	background: rgba(0, 255, 255, .08)
}

.grid {
	display: grid;
	gap: 1rem
}

.grid.cols-3 {
	grid-template-columns: repeat(3, 1fr)
}

.grid.cols-2 {
	grid-template-columns: repeat(2, 1fr)
}

@media (max-width:880px) {
	.grid.cols-3 {
		grid-template-columns: 1fr 1fr
	}
}

@media (max-width:640px) {

	.grid.cols-3,
	.grid.cols-2 {
		grid-template-columns: 1fr
	}
}

.card {
	background: linear-gradient(180deg, var(--panel), var(--panel-2));
	border: 1px solid rgba(255, 0, 255, .18);
	border-radius: 14px;
	padding: 1rem 1.1rem;
	transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease
}

.card:hover {
	transform: translateY(-4px);
	border-color: rgba(0, 255, 255, .35);
	box-shadow: var(--ring)
}

.kpi {
	display: flex;
	align-items: center;
	justify-content: space-between;
	background: #0d0f13;
	border: 1px solid rgba(0, 255, 255, .15);
	padding: .6rem .8rem;
	border-radius: 10px;
	margin: .35rem 0
}

.kpi strong {
	color: var(--success)
}

.list {
	padding-left: 1.1rem
}

.list li {
	margin: .35rem 0
}

.footer {
	border-top: 1px solid rgba(0, 255, 255, .18);
	margin-top: 2rem;
	padding: 1.4rem 0 2.2rem;
	color: var(--muted)
}

.btn {
	display: inline-flex;
	align-items: center;
	gap: .5rem;
	border: 1px solid rgba(0, 255, 255, .35);
	background: transparent;
	color: var(--text);
	border-radius: 10px;
	padding: .6rem .9rem;
	text-decoration: none;
	transition: box-shadow .2s ease, transform .15s ease
}

.btn:hover {
	box-shadow: var(--ring);
	transform: translateY(-2px)
}

.btn.primary {
	border-color: rgba(255, 0, 255, .45)
}

hr.sep {
	border: none;
	height: 1px;
	background: linear-gradient(90deg, rgba(0, 255, 255, .0), rgba(0, 255, 255, .45), rgba(255, 0, 255, .45), rgba(0, 255, 255, .0));
	margin: 2rem 0 1rem
}

.visually-hidden {
	position: absolute !important;
	height: 1px;
	width: 1px;
	overflow: hidden;
	clip: rect(1px, 1px, 1px, 1px);
	white-space: nowrap;
	border: 0;
	padding: 0;
	margin: -1px
}

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

@media (max-width:880px) {
	.certs-grid {
		grid-template-columns: 1fr 1fr
	}
}

@media (max-width:640px) {
	.certs-grid {
		grid-template-columns: 1fr
	}
}

.cert-card {
	position: relative;
	display: block;
	padding: 1rem 1.1rem;
	border-radius: 14px;
	background: linear-gradient(180deg, var(--panel), var(--panel-2));
	border: 1px dashed rgba(0, 255, 255, .25);
	box-shadow: inset 0 0 0 1px rgba(255, 0, 255, .1);
	transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease
}

.cert-card:hover {
	transform: translateY(-4px);
	border-color: rgba(255, 0, 255, .45);
	box-shadow: var(--ring);
	text-decoration: none
}

.cert-card h3 {
	margin: .1rem 0 .45rem;
	font-size: 1rem
}

.cert-meta {
	display: flex;
	gap: .5rem;
	align-items: center;
	flex-wrap: wrap;
	font-size: .85rem;
	color: var(--muted)
}

.badge {
	padding: .15rem .5rem;
	border-radius: 999px;
	border: 1px solid rgba(0, 255, 255, .35);
	background: rgba(0, 255, 255, .08);
	font-size: .75rem;
	letter-spacing: .03em
}

.cert-card::after {
	content: "";
	position: absolute;
	inset: 0;
	border-radius: 14px;
	background: repeating-linear-gradient(0deg, rgba(255, 255, 255, .03), rgba(255, 255, 255, .03) 1px, transparent 1px, transparent 2px);
	opacity: .22;
	pointer-events: none
}

.contact-terminal {
	background: linear-gradient(180deg, #0b0d12, var(--panel-2));
	border: 1px solid rgba(0, 255, 255, .22);
	border-radius: 14px;
	box-shadow: var(--ring);
	overflow: hidden
}

.term-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: .6rem .9rem;
	background: linear-gradient(180deg, rgba(0, 255, 255, .06), transparent);
	border-bottom: 1px solid rgba(0, 255, 255, .2);
	font-family: 'Orbitron', ui-sans-serif, system-ui, sans-serif;
	letter-spacing: .05em;
	font-size: .9rem
}

.lights {
	display: flex;
	gap: .35rem
}

.light {
	width: .55rem;
	height: .55rem;
	border-radius: 999px;
	background: var(--accent);
	box-shadow: 0 0 8px var(--accent)
}

.light.warn {
	background: var(--warning);
	box-shadow: 0 0 8px var(--warning)
}

.light.danger {
	background: var(--danger);
	box-shadow: 0 0 8px var(--danger)
}

.term-body {
	padding: .9rem
}

.contact-list {
	display: grid;
	gap: .7rem
}

.contact-item {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
	padding: .65rem .8rem;
	border: 1px dashed rgba(0, 255, 255, .25);
	border-radius: 10px;
	background: rgba(0, 255, 255, .05)
}

.contact-item a {
	display: flex;
	align-items: center;
	gap: .6rem;
	color: var(--text);
	text-decoration: none
}

.contact-item a:hover {
	text-decoration: none
}

.contact-item svg {
	width: 18px;
	height: 18px;
	opacity: .9
}

.arrow {
	opacity: .65
}

.muted {
	color: var(--muted);
	font-size: .92rem;
	margin-top: .5rem
}

.contact-item a {
	display: flex;
	align-items: center;
	gap: .6rem;
	min-height: 44px
}

.contact-item svg {
	width: 24px;
	height: 24px;
	display: inline-block;
	flex: 0 0 24px
}

.contact-item code {
	user-select: all
}

.contact-item svg.arrow {
	width: 20px;
	height: 20px;
	margin-left: auto;
	flex: 0 0 20px
}

#menu-btn {
	display: none
}

@media (max-width:860px) {
	#menu-btn {
		display: inline-flex;
		align-items: center;
		gap: .4rem;
		padding: .5rem .7rem
	}

	nav ul#nav-list {
		display: none;
		position: absolute;
		right: 1rem;
		top: 64px;
		padding: .7rem;
		gap: .4rem;
		flex-direction: column;
		background: linear-gradient(180deg, var(--panel), var(--panel-2));
		border: 1px solid rgba(0, 255, 255, .25);
		border-radius: 10px;
		box-shadow: var(--ring);
		z-index: 999
	}

	nav ul#nav-list.open {
		display: flex
	}

	nav a {
		padding: .6rem .8rem
	}
}

.role-meta {
	margin: -.3rem 0 .6rem;
	color: var(--muted);
	font-size: .92rem;
	letter-spacing: .02em
}

.role-meta strong {
	color: var(--text)
}

.edu-block {
	margin: .4rem 0 1rem;
	color: var(--text)
}

.edu-inst {
	display: inline-block;
	font-weight: 600
}

.edu-dates {
	display: inline-block;
	color: var(--muted);
	margin-top: .15rem
}

@media (prefers-reduced-motion: reduce) {
	* {
		animation: none !important;
		transition: none !important;
	}
}

.card:focus-within,
.card[tabindex="0"]:focus {
	outline: 2px solid var(--accent);
	outline-offset: 3px;
	box-shadow: var(--ring);
}

@media print {
	body {
		background: #fff none;
		color: #000;
	}

	header.site-header,
	nav,
	.contact-terminal,
	.footer {
		display: none !important;
	}

	.card,
	.hero-card {
		box-shadow: none;
		border: 0;
	}

	a {
		color: #000;
		text-decoration: none;
	}
}