:root {
	--primary-color: #00d4ff;
	--primary-dark: #00b8e6;
	--secondary-color: #00f260;
	--text-color: #1e293b;
	--text-light: #475569;
	--bg-color: #ffffff;
	--bg-secondary: #f8fafc;
	--bg-dark: #0f2027;
	--bg-dark-alt: #203a43;
	--border-color: #e2e8f0;
	--shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1);
	--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
	--max-width: 1200px;
	--spacing: 1rem;
}

* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
	scroll-padding-top: 5rem;
}

body {
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
	line-height: 1.6;
	color: var(--text-color);
	background-color: var(--bg-color);
}

h1, h2, h3, h4, h5, h6 {
	line-height: 1.2;
	margin-bottom: 1rem;
	font-weight: 700;
}

h1 {
	font-size: 2.5rem;
}

h2 {
	font-size: 2rem;
}

h3 {
	font-size: 1.5rem;
}

p {
	margin-bottom: 1rem;
}

a {
	color: var(--primary-color);
	text-decoration: none;
	transition: color 0.2s;
}

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

.container {
	max-width: var(--max-width);
	margin: 0 auto;
	padding: 0 var(--spacing);
}

.section {
	padding: 4rem 0;
}

.button {
	display: inline-block;
	padding: 0.75rem 1.5rem;
	background-color: var(--primary-color);
	color: white;
	border-radius: 0.375rem;
	font-weight: 500;
	transition: background-color 0.2s;
	border: none;
	cursor: pointer;
}

/* App Layout */
.app {
	display: flex;
	flex-direction: column;
	min-height: 100vh;
}

/* Header & Navigation */
header {
	background-color: var(--bg-color);
	border-bottom: 1px solid var(--border-color);
	position: sticky;
	top: 0;
	z-index: 100;
	box-shadow: var(--shadow);
}

nav {
	padding: 1rem 1rem;
}

.nav-container {
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.logo {
	font-size: 1.5rem;
	font-weight: 700;
	color: var(--text-color);
}

.logo:hover {
	color: var(--primary-color);
}

/* Mobile-first: Show hamburger menu by default */
.mobile-menu-button {
	display: flex;
	flex-direction: column;
	gap: 4px;
	background: none;
	border: none;
	cursor: pointer;
	padding: 0.5rem;
	z-index: 101;
	position: relative;
}

.mobile-menu-button span {
	display: block;
	width: 25px;
	height: 3px;
	background-color: var(--text-color);
	transition: all 0.3s ease;
	transform-origin: center;
}

/* Hamburger to X animation */
.mobile-menu-button.open span:nth-child(1) {
	transform: translateY(7px) rotate(45deg);
}

.mobile-menu-button.open span:nth-child(2) {
	opacity: 0;
	transform: scaleX(0);
}

.mobile-menu-button.open span:nth-child(3) {
	transform: translateY(-7px) rotate(-45deg);
}

/* Mobile-first: Dropdown navigation by default */
.nav-links {
	position: absolute;
	top: 100%;
	left: 0;
	right: 0;
	background-color: var(--bg-color);
	flex-direction: column;
	gap: 0;
	padding: 0;
	box-shadow: var(--shadow-lg);
	max-height: 0;
	overflow: hidden;
	opacity: 0;
	list-style: none;
	transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
				opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1),
				padding 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-links.open {
	max-height: 300px;
	opacity: 1;
	padding: 0.5rem 0;
}

.nav-links li {
	padding: 0 var(--spacing);
	opacity: 0;
	transform: translateX(-10px);
	transition: opacity 0.3s ease, transform 0.3s ease;
}

.nav-links.open li {
	opacity: 1;
	transform: translateX(0);
}

.nav-links.open li:nth-child(1) {
	transition-delay: 0.05s;
}

.nav-links.open li:nth-child(2) {
	transition-delay: 0.1s;
}

.nav-links.open li:nth-child(3) {
	transition-delay: 0.15s;
}

.nav-links.open li:nth-child(4) {
	transition-delay: 0.2s;
}

.nav-links a {
	display: block;
	color: var(--text-light);
	font-weight: 500;
	padding: 0.875rem 0;
	border-bottom: none;
	border-left: 3px solid transparent;
	padding-left: 0.5rem;
	transition: all 0.2s ease;
}

.nav-links a:hover {
	color: var(--primary-color);
	border-left-color: var(--primary-color);
	background-color: var(--bg-secondary);
	padding-left: 1rem;
}

main {
	flex: 1;
}

/* Footer */
footer {
	background-color: var(--bg-secondary);
	border-top: 1px solid var(--border-color);
	padding: 2rem 0;
}

footer p {
	text-align: center;
	color: var(--text-light);
	margin: 0;
}

.button:hover {
	background-color: var(--primary-dark);
	color: white;
}

.button-outline {
	background-color: transparent;
	border: 2px solid var(--primary-color);
	color: var(--primary-color);
}

.button-outline:hover {
	background-color: var(--primary-color);
	color: white;
}

/* Hero Section */
.hero {
	background: linear-gradient(135deg, #0f2027 0%, #203a43 50%, #2c5364 100%);
	padding: 4rem 0 3rem;
	min-height: auto;
	display: flex;
	align-items: center;
	position: relative;
	overflow: hidden;
}

.hero-bg-shapes {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	overflow: hidden;
	z-index: 0;
}

.shape {
	position: absolute;
	border-radius: 50%;
	opacity: 0.1;
}

.shape-1 {
	width: 300px;
	height: 300px;
	background: white;
	top: -100px;
	left: -50px;
	animation-delay: 0s;
	animation: float 10s infinite ease-in-out;
}

.shape-2 {
	width: 200px;
	height: 200px;
	background: white;
	bottom: -50px;
	right: 10%;
	animation-delay: -7s;
	animation: float 12s infinite ease-in-out;
}

.shape-3 {
	width: 150px;
	height: 150px;
	background: white;
	top: 50%;
	right: -30px;
	animation-delay: -14s;
	animation: float 8s infinite ease-in-out;
}

@keyframes float {
	0%, 100% {
		transform: translateY(0) rotate(0deg);
	}
	50% {
		transform: translateY(-30px) rotate(180deg);
	}
}

.hero-content {
	max-width: 800px;
	position: relative;
	z-index: 1;
}

.hero-badge {
	display: inline-block;
	background: rgba(255, 255, 255, 0.2);
	backdrop-filter: blur(10px);
	color: white;
	padding: 0.5rem 1rem;
	border-radius: 2rem;
	font-size: 0.875rem;
	font-weight: 600;
	margin-bottom: 1.5rem;
	border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero h1 {
	font-size: 2.5rem;
	margin-bottom: 1rem;
	color: white;
	font-weight: 800;
	letter-spacing: -0.02em;
}

.highlight {
	background: linear-gradient(135deg, #00d4ff 0%, #00f260 100%);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
	display: inline-block;
	text-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
	font-weight: 900;
}

.hero-subtitle {
	font-size: 1.5rem;
	color: rgba(255, 255, 255, 0.95);
	margin-bottom: 1.5rem;
	font-weight: 600;
}

.hero-description {
	font-size: 1.0625rem;
	color: rgba(255, 255, 255, 0.85);
	margin-bottom: 2rem;
	line-height: 1.8;
}

.hero-actions {
	display: flex;
	flex-direction: column;
	gap: 1rem;
	margin-bottom: 2rem;
}

.hero-actions .button {
	text-align: center;
	font-weight: 600;
	padding: 1rem 2rem;
	border-radius: 0.75rem;
	transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-actions .button:first-child {
	background: linear-gradient(135deg, #00d4ff 0%, #00f260 100%);
	color: white;
	box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.hero-actions .button:first-child:hover {
	transform: translateY(-2px);
	box-shadow: 0 15px 40px rgba(0, 212, 255, 0.5);
}

.hero-actions .button-outline {
	background: rgba(255, 255, 255, 0.1);
	color: white;
	border: 2px solid rgba(0, 212, 255, 0.8);
	backdrop-filter: blur(10px);
}

.hero-actions .button-outline:hover {
	background: rgba(0, 212, 255, 0.2);
	border-color: #00d4ff;
	transform: translateY(-2px);
}

.hero-links {
	display: flex;
	gap: 1.5rem;
	flex-wrap: wrap;
}

.hero-links a {
	color: rgba(255, 255, 255, 0.9);
	font-weight: 600;
	transition: all 0.2s;
	padding: 0.5rem 1rem;
	border-radius: 0.5rem;
	background: rgba(255, 255, 255, 0.1);
	backdrop-filter: blur(10px);
}

.hero-links a:hover {
	color: white;
	background: rgba(255, 255, 255, 0.2);
	transform: translateY(-2px);
}

/* Section Headers */
.section-header {
	margin-bottom: 3rem;
	position: relative;
	text-align: center;
}

.section-number {
	display: block;
	font-size: 0.875rem;
	font-weight: 700;
	background: linear-gradient(135deg, #00d4ff 0%, #00f260 100%);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
	letter-spacing: 2px;
	margin-bottom: 0.5rem;
	opacity: 0.9;
}

.section-header h2 {
	font-size: 2rem;
	position: relative;
	display: inline-block;
}

.section-header h2::after {
	content: '';
	position: absolute;
	bottom: -10px;
	left: 50%;
	transform: translateX(-50%);
	width: 60px;
	height: 4px;
	background: linear-gradient(90deg, #00d4ff, #00f260);
	border-radius: 2px;
}

/* About Section */
.about-section {
	background: linear-gradient(180deg, var(--bg-color) 0%, var(--bg-secondary) 100%);
}

.about-content {
	display: flex;
	flex-direction: column;
	gap: 2rem;
}

.about-text p {
	font-size: 1rem;
	line-height: 1.8;
	color: var(--text-light);
	margin-bottom: 1.25rem;
}

.about-stats {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
	gap: 1.5rem;
}

.stat-card {
	background: white;
	padding: 1.5rem;
	border-radius: 1rem;
	text-align: center;
	box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
	transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
	border: 2px solid transparent;
}

.stat-card:hover {
	box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
	border-color: #00d4ff;
}

.stat-number {
	font-size: 2.5rem;
	font-weight: 800;
	background: linear-gradient(135deg, #00d4ff 0%, #00f260 100%);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
	margin-bottom: 0.5rem;
}

.stat-label {
	font-size: 0.875rem;
	color: var(--text-light);
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.5px;
}

/* Skills Section */
.skills-section {
	background: var(--bg-secondary);
}

.skills-category-wrapper {
	display: flex;
	flex-direction: column;
	gap: 2rem;
	max-width: 1000px;
	margin: 0 auto;
}

.skills-category {
	background: white;
	padding: 2rem;
	border-radius: 1rem;
	border: 2px solid transparent;
	box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
	transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.skills-category:hover {
	border-color: #00d4ff;
	box-shadow: 0 10px 40px rgba(0, 212, 255, 0.15);
}

.skills-category h3 {
	background: linear-gradient(135deg, #00d4ff 0%, #00f260 100%);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
	margin-bottom: 1.5rem;
	font-size: 1.25rem;
	font-weight: 700;
}

.skills-tags {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
	justify-content: flex-start;
}

.tag {
	background: linear-gradient(135deg, #0f2027 0%, #2c5364 100%);
	color: white;
	padding: 0.625rem 1.25rem;
	border-radius: 2rem;
	font-size: 0.875rem;
	font-weight: 600;
	transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
	border: none;
	box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15),
				0 0 0 0 rgba(0, 212, 255, 0);
	cursor: default;
	position: relative;
}

.tag:hover {
	box-shadow: 0 10px 25px rgba(0, 212, 255, 0.3),
				0 0 0 2px rgba(0, 212, 255, 0.5);
	background: linear-gradient(135deg, #00d4ff 0%, #00f260 100%);
}

/* Experience Section */
.experience-section {
	background: linear-gradient(180deg, var(--bg-color) 0%, var(--bg-secondary) 100%);
}

.timeline {
	max-width: 900px;
	margin: 0 auto;
	display: flex;
	flex-direction: column;
	gap: 2rem;
}

.timeline-content {
	background: white;
	position: relative;
	padding: 2rem;
	border-radius: 1rem;
	border: 2px solid transparent;
	box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
	transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
	overflow: hidden;
}

.timeline-content::before {
	content: '';
	position: absolute;
	left: 0;
	top: 0;
	height: 100%;
	width: 4px;
	background: linear-gradient(180deg, #00d4ff 0%, #00f260 100%);
	transform: scaleY(0);
	transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.timeline-content:hover::before {
	transform: scaleY(1);
}

.timeline-content:hover {
	box-shadow: 0 10px 40px rgba(0, 212, 255, 0.15);
	border-color: #00d4ff;
}

.experience-number {
	position: absolute;
	right: 1.5rem;
	top: 1.5rem;
	font-size: 4rem;
	font-weight: 900;
	background: linear-gradient(135deg, #00d4ff 0%, #00f260 100%);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
	opacity: 0.08;
	line-height: 1;
	pointer-events: none;
}

.experience-header {
	margin-bottom: 1rem;
}

.experience-title-group h3 {
	background: linear-gradient(135deg, #00d4ff 0%, #00f260 100%);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
	margin-bottom: 0.5rem;
	font-size: 1.375rem;
	font-weight: 700;
}

.title {
	color: var(--text-color);
	font-weight: 600;
	margin-bottom: 0.25rem;
}

.meta {
	color: var(--text-light);
	font-size: 0.875rem;
	margin: 0;
}

.description {
	color: var(--text-light);
	margin-bottom: 1.5rem;
	line-height: 1.7;
}

.achievements {
	list-style: none;
}

.achievements li {
	color: var(--text-light);
	padding: 0.5rem 0;
	line-height: 1.6;
	padding-left: 1.5rem;
	position: relative;
}

.achievements li::before {
	content: "▸";
	color: var(--primary-color);
	font-weight: bold;
	position: absolute;
	left: 0;
	font-size: 1.2rem;
}

/* Contact Section */
.contact-section {
	background: linear-gradient(135deg, #0f2027 0%, #203a43 100%);
	padding: 4rem 0;
	position: relative;
	overflow: hidden;
}

.contact-section::before {
	content: '';
	position: absolute;
	top: -50%;
	right: -10%;
	width: 500px;
	height: 500px;
	border-radius: 50%;
	background: rgba(255, 255, 255, 0.1);
	animation: float 12s infinite ease-in-out;
}

.contact-section .container {
	position: relative;
	z-index: 1;
}

.contact-header {
	text-align: center;
	margin-bottom: 3rem;
}

.contact-header .section-number {
	color: rgba(255, 255, 255, 0.8);
}

.contact-header h2 {
	position: relative;
	color: white;
	margin-bottom: 2rem;
	font-size: 2rem;
}

.contact-header h2::after {
	content: '';
	position: absolute;
	bottom: -10px;
	left: 50%;
	transform: translateX(-50%);
	width: 60px;
	height: 4px;
	background: linear-gradient(90deg, #00d4ff, #00f260);
	border-radius: 2px;
}

.contact-header .lead {
	color: rgba(255, 255, 255, 0.9);
}

.contact-content {
	display: flex;
	flex-direction: column;
	gap: 1.5rem;
	max-width: 900px;
	margin: 0 auto 1.5rem;
}

.contact-info {
	display: flex;
	flex-direction: column;
	gap: 1.5rem;
}

.contact-item {
	display: flex;
	align-items: center;
	gap: 1rem;
	background: rgba(255, 255, 255, 0.95);
	backdrop-filter: blur(10px);
	padding: 1.5rem;
	border-radius: 1rem;
	border: 2px solid rgba(255, 255, 255, 0.3);
	transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-item:hover {
	box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
	border-color: white;
	background: white;
}

.contact-icon {
	font-size: 2rem;
	flex-shrink: 0;
}

.contact-details {
	flex: 1;
	text-align: left;
}

.contact-details h3 {
	font-size: 0.875rem;
	color: var(--text-light);
	margin-bottom: 0.25rem;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.5px;
}

.contact-details a {
	color: var(--text-color);
	font-weight: 600;
	font-size: 1rem;
	transition: color 0.2s;
}

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

.contact-social {
	background: rgba(255, 255, 255, 0.95);
	backdrop-filter: blur(10px);
	padding: 2rem;
	border-radius: 1rem;
	border: 2px solid rgba(255, 255, 255, 0.3);
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	min-height: 100%;
}

.contact-social h3 {
	font-size: 0.875rem;
	margin-bottom: 1rem;
	color: var(--text-light);
	text-align: center;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.5px;
}

.social-links {
	display: flex;
	gap: 1rem;
	justify-content: center;
	flex-wrap: wrap;
	width: 100%;
}

.social-link {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 0.625rem;
	padding: 0.875rem 1.5rem;
	border-radius: 0.75rem;
	font-weight: 600;
	transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
	text-decoration: none;
	box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
	flex: 1;
	min-width: 140px;
}

.social-link svg {
	width: 22px;
	height: 22px;
}

.social-link.linkedin {
	background-color: #0077b5;
	color: white;
}

.social-link.linkedin:hover {
	background-color: #006399;
	box-shadow: 0 8px 25px rgba(0, 119, 181, 0.4);
}

.social-link.github {
	background-color: #24292e;
	color: white;
}

.social-link.github:hover {
	background-color: #1a1e22;
	box-shadow: 0 8px 25px rgba(36, 41, 46, 0.4);
}

.contact-cta {
	text-align: center;
	padding: 1.75rem;
	background: rgba(255, 255, 255, 0.95);
	backdrop-filter: blur(10px);
	border-radius: 1rem;
	border: 2px solid rgba(255, 255, 255, 0.3);
	max-width: 600px;
	margin: 0 auto;
}

.contact-cta p {
	color: var(--text-color);
	margin: 0;
	font-size: 1rem;
	font-weight: 500;
}

.contact-cta strong {
	background: linear-gradient(135deg, #00d4ff 0%, #00f260 100%);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
	font-weight: 700;
}

/* Responsive */
@media (max-width: 768px) {
	h1 {
		font-size: 2rem;
	}
	
	h2 {
		font-size: 1.5rem;
	}
	
	.section {
		padding: 2rem 0;
	}
	
	.hero {
		padding: 3rem 0 2rem;
	}
	
	.hero h1 {
		font-size: 2rem;
	}
	
	.hero-subtitle {
		font-size: 1.25rem;
	}
	
	.hero-description {
		font-size: 1rem;
	}
	
	.experience-number {
		font-size: 2.5rem;
		right: 1rem;
		top: 1rem;
	}
}

/* Tablet and up (min-width: 768px) */
@media (min-width: 768px) {
	.hero {
		padding: 5rem 0 4rem;
	}
	
	.hero h1 {
		font-size: 3.5rem;
	}
	
	.hero-subtitle {
		font-size: 1.75rem;
	}
	
	.hero-description {
		font-size: 1.125rem;
	}
	
	.hero-actions {
		flex-direction: row;
	}
	
	.hero-links {
		gap: 2rem;
	}
	
	.about-text p {
		font-size: 1.0625rem;
	}
	
	.contact-content {
		flex-direction: row;
		gap: 1.5rem;
	}
	
	.contact-info {
		flex: 1;
	}
	
	.contact-social {
		flex: 1;
	}
	
	.social-links {
		flex-direction: column;
	}
}

/* Desktop navigation styles */
@media (min-width: 769px) {
	/* Hide hamburger on desktop */
	.mobile-menu-button {
		display: none;
	}
	
	/* Show horizontal navigation on desktop */
	.nav-links {
		position: static;
		display: flex;
		flex-direction: row;
		gap: 2rem;
		padding: 0;
		max-height: none;
		overflow: visible;
		opacity: 1;
		box-shadow: none;
		background-color: transparent;
	}
	
	.nav-links li {
		padding: 0;
		opacity: 1;
		transform: translateX(0);
		transition: none;
	}
	
	.nav-links a {
		padding: 0.5rem 0;
		border-left: none;
		border-bottom: 2px solid transparent;
		padding-left: 0;
		background-color: transparent;
	}
	
	.nav-links a:hover {
		border-left-color: transparent;
		border-bottom-color: var(--primary-color);
		background-color: transparent;
		padding-left: 0;
	}
}