:root {
	--bg: #f4f7fb;
	--bg-elevated: #ffffff;
	--bg-muted: #e8eef6;
	--text: #0f172a;
	--text-muted: #64748b;
	--primary: #2563eb;
	--primary-dark: #1d4ed8;
	--accent: #06b6d4;
	--border: rgba(15, 23, 42, 0.08);
	--shadow: 0 20px 50px rgba(15, 23, 42, 0.08);
	--header-bg: rgba(244, 247, 251, 0.85);
	--gradient: linear-gradient(135deg, #2563eb 0%, #06b6d4 100%);
	--radius: 18px;
	--radius-sm: 12px;
	--transition: 0.25s ease;
	--font: "Inter", system-ui, -apple-system, sans-serif;
	--mono: "JetBrains Mono", monospace;
}

[data-theme="dark"] {
	--bg: #0b1120;
	--bg-elevated: #111827;
	--bg-muted: #1f2937;
	--text: #f8fafc;
	--text-muted: #94a3b8;
	--primary: #60a5fa;
	--primary-dark: #3b82f6;
	--accent: #22d3ee;
	--border: rgba(255, 255, 255, 0.08);
	--shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
	--header-bg: rgba(11, 17, 32, 0.85);
}

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

html {
	scroll-behavior: smooth;
}

body {
	margin: 0;
	font-family: var(--font);
	background: var(--bg);
	color: var(--text);
	line-height: 1.6;
	transition: background var(--transition), color var(--transition);
}

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

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

a:hover {
	color: var(--primary-dark);
}

.container {
	width: min(1120px, calc(100% - 2rem));
	margin-inline: auto;
}

.screen-reader-text {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	border: 0;
}

.skip-link:focus {
	position: fixed;
	top: 1rem;
	left: 1rem;
	z-index: 9999;
	width: auto;
	height: auto;
	padding: 0.75rem 1rem;
	background: var(--primary);
	color: #fff;
	clip: auto;
	border-radius: 8px;
}

/* Header */
.site-header {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 1000;
	background: var(--header-bg);
	backdrop-filter: blur(16px);
	border-bottom: 1px solid var(--border);
	transition: transform var(--transition), box-shadow var(--transition);
}

.site-header.is-scrolled {
	box-shadow: var(--shadow);
}

.site-header.is-hidden {
	transform: translateY(-100%);
}

.header-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
	min-height: 72px;
}

.site-logo {
	display: flex;
	align-items: center;
	gap: 0.75rem;
	color: var(--text);
	font-weight: 700;
}

.logo-mark {
	display: grid;
	place-items: center;
	width: 42px;
	height: 42px;
	border-radius: 12px;
	background: var(--gradient);
	color: #fff;
	font-size: 0.85rem;
	font-weight: 800;
}

.logo-text {
	font-size: 1rem;
}

.site-nav ul {
	display: flex;
	gap: 1.25rem;
	list-style: none;
	margin: 0;
	padding: 0;
	align-items: center;
}

.site-nav a {
	color: var(--text-muted);
	font-weight: 500;
	font-size: 0.95rem;
	position: relative;
}

.site-nav a::after {
	content: "";
	position: absolute;
	left: 0;
	bottom: -4px;
	width: 100%;
	height: 2px;
	background: var(--gradient);
	transform: scaleX(0);
	transform-origin: left;
	transition: transform var(--transition);
}

.site-nav a:hover,
.site-nav a.is-active {
	color: var(--text);
}

.site-nav a.is-active::after,
.site-nav a:hover::after {
	transform: scaleX(1);
}

.nav-toggle,
.theme-toggle {
	border: 1px solid var(--border);
	background: var(--bg-elevated);
	color: var(--text);
	border-radius: 10px;
	cursor: pointer;
	transition: transform var(--transition), background var(--transition);
}

.nav-toggle {
	display: none;
	flex-direction: column;
	justify-content: center;
	gap: 5px;
	width: 44px;
	height: 44px;
	padding: 0;
}

.nav-toggle span {
	display: block;
	width: 18px;
	height: 2px;
	margin-inline: auto;
	background: var(--text);
	transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle.is-open span:nth-child(1) {
	transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
	opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
	transform: translateY(-7px) rotate(-45deg);
}

.theme-toggle {
	width: 44px;
	height: 44px;
	font-size: 1.1rem;
}

.theme-toggle:hover,
.nav-toggle:hover {
	transform: translateY(-1px);
}

[data-theme="dark"] .theme-icon--sun,
.theme-icon--moon {
	display: none;
}

[data-theme="dark"] .theme-icon--moon {
	display: inline;
}

/* Hero */
.hero {
	position: relative;
	padding: 8rem 0 5rem;
	overflow: hidden;
}

.hero-bg {
	position: absolute;
	inset: 0;
	pointer-events: none;
}

.hero-grid {
	position: absolute;
	inset: 0;
	background-image:
		linear-gradient(rgba(37, 99, 235, 0.04) 1px, transparent 1px),
		linear-gradient(90deg, rgba(37, 99, 235, 0.04) 1px, transparent 1px);
	background-size: 48px 48px;
	mask-image: radial-gradient(circle at center, black, transparent 75%);
}

.hero-orb {
	position: absolute;
	border-radius: 50%;
	filter: blur(60px);
	opacity: 0.45;
	animation: float 8s ease-in-out infinite;
}

.hero-orb--1 {
	width: 320px;
	height: 320px;
	background: #2563eb;
	top: 10%;
	right: 10%;
}

.hero-orb--2 {
	width: 260px;
	height: 260px;
	background: #06b6d4;
	bottom: 10%;
	left: 5%;
	animation-delay: -3s;
}

@keyframes float {
	0%, 100% { transform: translateY(0); }
	50% { transform: translateY(-20px); }
}

.hero-inner {
	position: relative;
	display: grid;
	grid-template-columns: 1.2fr 0.8fr;
	gap: 2rem;
	align-items: center;
}

.hero-eyebrow {
	display: inline-block;
	padding: 0.35rem 0.85rem;
	border-radius: 999px;
	background: rgba(37, 99, 235, 0.1);
	color: var(--primary);
	font-size: 0.85rem;
	font-weight: 600;
	letter-spacing: 0.04em;
	text-transform: uppercase;
}

.hero-title {
	margin: 1rem 0 0.5rem;
	font-size: clamp(2.5rem, 6vw, 4.5rem);
	line-height: 1.05;
}

.hero-greeting {
	display: block;
	font-size: 0.35em;
	font-weight: 500;
	color: var(--text-muted);
	margin-bottom: 0.35rem;
}

.hero-name {
	background: var(--gradient);
	-webkit-background-clip: text;
	background-clip: text;
	color: transparent;
}

.hero-typed {
	font-size: clamp(1.1rem, 2.5vw, 1.5rem);
	font-family: var(--mono);
	color: var(--text-muted);
	min-height: 2rem;
}

.hero-typed-prefix {
	margin-right: 0.5rem;
}

.hero-cursor {
	color: var(--primary);
	animation: blink 1s step-end infinite;
}

@keyframes blink {
	50% { opacity: 0; }
}

.hero-summary {
	max-width: 38rem;
	color: var(--text-muted);
	font-size: 1.05rem;
}

.hero-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 1rem;
	margin: 2rem 0;
}

.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 0.85rem 1.4rem;
	border-radius: 999px;
	font-weight: 600;
	border: 1px solid transparent;
	cursor: pointer;
	transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.btn-sm {
	padding: 0.55rem 1rem;
	font-size: 0.9rem;
}

.site-nav .nav-resume-item {
	margin-left: 0.25rem;
}

.site-nav .nav-resume {
	white-space: nowrap;
	text-decoration: none !important;
	position: relative;
	overflow: hidden;
	isolation: isolate;
}

.site-nav .nav-resume::after {
	content: none !important;
	display: none !important;
}

.site-nav .nav-resume::before {
	content: "";
	position: absolute;
	inset: 0;
	background: #2563eb;
	transform: translateX(-101%);
	transition: transform 160ms ease;
	z-index: -1;
}

.site-nav .nav-resume:hover {
	transform: none;
	box-shadow: none;
	text-decoration: none !important;
}

.site-nav .nav-resume:hover::before {
	transform: translateX(0);
}

.btn:hover {
	transform: translateY(-2px);
}

.btn-primary,
.btn-primary:hover,
.btn-ghost,
.btn-ghost:hover {
	text-decoration: none;
}

.btn-primary {
	background: var(--gradient);
	color: #fff !important;
	box-shadow: 0 10px 30px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
	color: #fff !important;
	box-shadow: 0 14px 34px rgba(37, 99, 235, 0.35);
}

.btn-ghost {
	background: transparent;
	border-color: var(--border);
	color: var(--text) !important;
}

.btn-ghost:hover {
	background: var(--bg-elevated);
	color: var(--text) !important;
}

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

.stat-card {
	padding: 1rem;
	border-radius: var(--radius-sm);
	background: var(--bg-elevated);
	border: 1px solid var(--border);
	box-shadow: var(--shadow);
}

.stat-card strong {
	display: block;
	font-size: 1.75rem;
	line-height: 1;
	margin-bottom: 0.35rem;
}

.stat-card span {
	color: var(--text-muted);
	font-size: 0.85rem;
}

.profile-card {
	padding: 2rem;
	border-radius: var(--radius);
	background: var(--bg-elevated);
	border: 1px solid var(--border);
	box-shadow: var(--shadow);
}

.profile-avatar {
	width: 120px;
	height: 120px;
	border-radius: 28px;
	display: grid;
	place-items: center;
	background: var(--gradient);
	color: #fff;
	font-size: 1.75rem;
	font-weight: 800;
	margin-bottom: 1rem;
	overflow: hidden;
	border: 3px solid rgba(37, 99, 235, 0.15);
	box-shadow: 0 12px 30px rgba(15, 23, 42, 0.12);
}

.profile-avatar--photo {
	background: #fff;
}

.profile-avatar img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: center top;
}

.profile-card h2 {
	margin: 0 0 0.25rem;
}

.profile-card > p {
	margin: 0 0 1.25rem;
	color: var(--text-muted);
}

.profile-contact {
	list-style: none;
	padding: 0;
	margin: 0;
}

.profile-contact li {
	margin-bottom: 0.75rem;
	color: var(--text-muted);
	font-size: 0.92rem;
}

.profile-contact a {
	color: inherit;
}

.profile-contact a:hover {
	color: var(--primary);
}

/* Sections */
.section {
	padding: 5rem 0;
}

.section-header {
	margin-bottom: 2.5rem;
}

.section-label {
	display: inline-block;
	margin-bottom: 0.5rem;
	color: var(--primary);
	font-size: 0.85rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.08em;
}

.section-header h2 {
	margin: 0;
	font-size: clamp(1.8rem, 4vw, 2.5rem);
}

.about-grid {
	display: grid;
	grid-template-columns: 1.4fr 0.8fr;
	gap: 2rem;
}

.about-content p {
	font-size: 1.05rem;
	color: var(--text-muted);
	margin: 0;
}

.meta-card {
	padding: 1.5rem;
	border-radius: var(--radius-sm);
	background: var(--bg-elevated);
	border: 1px solid var(--border);
	margin-bottom: 1rem;
}

.meta-card h3 {
	margin: 0 0 0.5rem;
}

.social-links {
	display: flex;
	gap: 0.75rem;
}

.social-links--icons {
	flex-wrap: wrap;
	align-items: center;
}

.social-links--icons .contact-social-link {
	width: 2.75rem;
	height: 2.75rem;
}

.skills-grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 1.5rem;
}

.skill-group {
	padding: 1.5rem;
	border-radius: var(--radius);
	background: var(--bg-elevated);
	border: 1px solid var(--border);
	transition: transform var(--transition), box-shadow var(--transition);
}

.skill-group:hover {
	transform: translateY(-4px);
	box-shadow: var(--shadow);
}

.skill-group h3 {
	margin: 0 0 1rem;
	font-size: 1rem;
}

.skill-list {
	list-style: none;
	padding: 0;
	margin: 0;
}

.skill-item + .skill-item {
	margin-top: 1rem;
}

.skill-item-header {
	display: flex;
	justify-content: space-between;
	margin-bottom: 0.4rem;
	font-size: 0.92rem;
}

.skill-level-label {
	color: var(--text-muted);
	font-family: var(--mono);
	font-size: 0.8rem;
}

.skill-bar {
	height: 8px;
	border-radius: 999px;
	background: var(--bg-muted);
	overflow: hidden;
}

.skill-bar-fill {
	height: 100%;
	border-radius: inherit;
	background: var(--gradient);
	transition: width 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Experience cards */
.timeline {
	display: flex;
	flex-direction: column;
	gap: 2rem;
}

.timeline-item {
	margin: 0;
}

.timeline-card {
	padding: 1.5rem;
	border-radius: var(--radius);
	background: var(--bg-elevated);
	border: 1px solid var(--border);
	transition: transform var(--transition), box-shadow var(--transition);
}

.timeline-card:hover {
	transform: translateY(-4px);
	box-shadow: var(--shadow);
}

.timeline-card-header {
	display: flex;
	justify-content: space-between;
	gap: 1rem;
	align-items: start;
}

.timeline-company {
	display: flex;
	align-items: center;
	gap: 1rem;
}

.timeline-company-logo {
	flex-shrink: 0;
	width: 56px;
	height: 56px;
	border-radius: 14px;
	background: var(--bg);
	border: 1px solid var(--border);
	display: grid;
	place-items: center;
	overflow: hidden;
}

.timeline-company-logo img {
	width: 100%;
	height: 100%;
	object-fit: contain;
	padding: 0.45rem;
	background: #fff;
}

.timeline-company-logo--fallback {
	background: var(--gradient);
	color: #fff;
	font-weight: 700;
	font-size: 1.25rem;
}

.timeline-card h3 {
	margin: 0;
}

.timeline-role {
	margin: 0.25rem 0 0;
	color: var(--primary);
	font-weight: 600;
}

.badge {
	display: inline-flex;
	padding: 0.25rem 0.65rem;
	border-radius: 999px;
	font-size: 0.75rem;
	font-weight: 700;
}

.badge-current {
	background: rgba(37, 99, 235, 0.12);
	color: var(--primary);
}

.timeline-meta {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
	color: var(--text-muted);
	font-size: 0.9rem;
}

.timeline-description {
	color: var(--text-muted);
}

.timeline-projects h4 {
	margin: 1rem 0 0.75rem;
	font-size: 0.9rem;
	text-transform: uppercase;
	letter-spacing: 0.05em;
}

.project-tags {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	list-style: none;
	padding: 0;
	margin: 0;
}

.project-tag {
	display: inline-flex;
	padding: 0.4rem 0.75rem;
	border-radius: 999px;
	background: var(--bg-muted);
	color: var(--text);
	font-size: 0.82rem;
	border: 1px solid var(--border);
	transition: background var(--transition), transform var(--transition);
}

a.project-tag:hover {
	background: rgba(37, 99, 235, 0.12);
	color: var(--primary);
	transform: translateY(-2px);
}

/* Notable Projects */
.section-header p {
	margin: 0.5rem 0 0;
	color: var(--text-muted);
	max-width: 36rem;
}

.portfolio-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
	gap: 1.5rem;
}

.portfolio-card {
	border-radius: var(--radius);
	overflow: hidden;
	background: var(--bg-elevated);
	border: 1px solid var(--border);
	box-shadow: var(--shadow);
	transition: transform var(--transition), box-shadow var(--transition);
}

.portfolio-card:hover {
	transform: translateY(-6px);
	box-shadow: 0 24px 48px rgba(15, 23, 42, 0.12);
}

.portfolio-card-link {
	display: block;
	color: var(--text);
	text-decoration: none;
}

.portfolio-card-link:hover {
	color: var(--text);
}

.portfolio-card--static {
	cursor: default;
}

.portfolio-card-link--static {
	cursor: default;
}

.portfolio-card-cta--muted {
	color: var(--text-muted);
}

.portfolio-card-image {
	aspect-ratio: 16 / 10;
	overflow: hidden;
	background: var(--bg-muted);
	border-bottom: 1px solid var(--border);
}

.portfolio-card-image img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: top center;
	image-rendering: auto;
	transition: transform 0.4s ease;
}

.portfolio-card:hover .portfolio-card-image img {
	transform: scale(1.03);
}

.portfolio-card-body {
	padding: 1rem 1.15rem 1.2rem;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 0.75rem;
}

.portfolio-card-body h3 {
	margin: 0;
	font-size: 1rem;
	font-weight: 600;
}

.portfolio-card-cta {
	font-size: 0.85rem;
	color: var(--primary);
	font-weight: 600;
	white-space: nowrap;
}

/* Education */
.education-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
	gap: 1.5rem;
}

.education-card {
	padding: 2rem;
	border-radius: var(--radius);
	background: var(--bg-elevated);
	border: 1px solid var(--border);
	transition: transform var(--transition), box-shadow var(--transition);
}

.education-card:hover {
	transform: translateY(-6px);
	box-shadow: var(--shadow);
}

.education-icon {
	font-size: 2rem;
	margin-bottom: 1rem;
}

.education-card h3 {
	margin: 0 0 0.5rem;
}

.education-card p {
	margin: 0;
	color: var(--text-muted);
}

/* Contact */
.contact-card {
	padding: 3rem;
	border-radius: calc(var(--radius) + 6px);
	background: var(--bg-elevated);
	border: 1px solid var(--border);
	box-shadow: var(--shadow);
	text-align: center;
}

.contact-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
	gap: 1rem;
	margin-top: 2rem;
}

.contact-item {
	display: flex;
	flex-direction: column;
	gap: 0.35rem;
	padding: 1.25rem;
	border-radius: var(--radius-sm);
	background: var(--bg);
	border: 1px solid var(--border);
	color: var(--text);
	transition: transform var(--transition), border-color var(--transition);
}

.contact-item:hover {
	transform: translateY(-4px);
	border-color: var(--primary);
	color: var(--text);
}

.contact-item--static {
	cursor: default;
}

.contact-icon {
	font-size: 1.5rem;
}

.contact-label {
	font-size: 0.8rem;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	color: var(--text-muted);
}

.contact-value {
	font-weight: 600;
}

.contact-social {
	display: flex;
	justify-content: center;
	align-items: center;
	gap: 0.85rem;
	margin-top: 2rem;
	padding-top: 2rem;
	border-top: 1px solid var(--border);
}

.contact-social-link {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 3rem;
	height: 3rem;
	border-radius: 999px;
	background: var(--bg);
	border: 1px solid var(--border);
	color: var(--text);
	transition: transform var(--transition), border-color var(--transition), background var(--transition), color var(--transition);
}

.contact-social-link:hover {
	transform: translateY(-3px);
	border-color: var(--primary);
	color: var(--primary);
	background: rgba(37, 99, 235, 0.08);
}

.contact-social-link .social-icon {
	display: block;
}

.contact-social-link--linkedin:hover {
	color: #0a66c2;
	border-color: #0a66c2;
	background: rgba(10, 102, 194, 0.1);
}

.contact-social-link--facebook:hover {
	color: #1877f2;
	border-color: #1877f2;
	background: rgba(24, 119, 242, 0.1);
}

.contact-social-link--instagram:hover {
	color: #e4405f;
	border-color: #e4405f;
	background: rgba(228, 64, 95, 0.1);
}

.empty-state {
	color: var(--text-muted);
	text-align: center;
}

/* Footer */
.site-footer {
	padding: 2rem 0;
	border-top: 1px solid var(--border);
}

.footer-inner {
	text-align: center;
	color: var(--text-muted);
}

.footer-inner p {
	margin: 0.25rem 0;
}

.footer-note {
	font-size: 0.85rem;
}

.back-to-top {
	position: fixed;
	right: 1.5rem;
	bottom: 1.5rem;
	width: 48px;
	height: 48px;
	border: none;
	border-radius: 50%;
	background: var(--gradient);
	color: #fff;
	font-size: 1.25rem;
	cursor: pointer;
	opacity: 0;
	visibility: hidden;
	transform: translateY(12px);
	transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
	z-index: 900;
	box-shadow: var(--shadow);
}

.back-to-top.is-visible {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
}

/* Reveal animations */
[data-reveal] {
	opacity: 0;
	transform: translateY(24px);
	transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* Responsive */
@media (max-width: 900px) {
	.hero-inner,
	.about-grid,
	.skills-grid {
		grid-template-columns: 1fr;
	}

	.hero-stats {
		grid-template-columns: 1fr;
	}
}

@media (max-width: 767px) {
	.hero-orb {
		display: none;
	}
}

@media (max-width: 768px) {
	.header-inner {
		display: grid;
		grid-template-columns: 1fr auto 1fr;
		align-items: center;
	}

	.site-logo {
		grid-column: 1;
		justify-self: start;
	}

	.theme-toggle {
		grid-column: 2;
		justify-self: center;
	}

	.nav-toggle {
		display: flex;
		grid-column: 3;
		justify-self: end;
	}

	.site-nav {
		position: fixed;
		top: 72px;
		left: 0;
		right: 0;
		background: var(--bg-elevated);
		border-bottom: 1px solid var(--border);
		padding: 1rem;
		transform: translateY(-120%);
		opacity: 0;
		visibility: hidden;
		transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
	}

	.site-nav.is-open {
		transform: translateY(0);
		opacity: 1;
		visibility: visible;
	}

	.site-nav ul {
		flex-direction: column;
		gap: 0.5rem;
	}

	.hero {
		padding-top: 6.5rem;
	}

	.contact-card {
		padding: 2rem 1.25rem;
	}
}

@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after {
		animation: none !important;
		transition: none !important;
		scroll-behavior: auto;
	}
}