/* Global CSS - This would go in css/global.css */
:root {
	--primary-color: #667eea;
	--primary-dark: #5a6fd8;
	--secondary-color: #764ba2;
	--accent-color: #f093fb;
	--text-primary: #2d3748;
	--text-secondary: #4a5568;
	--text-muted: #718096;
	--bg-primary: #ffffff;
	--bg-secondary: #f7fafc;
	--bg-accent: #edf2f7;
	--border-color: #e2e8f0;
	--shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
	--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
	--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
	--border-radius: 8px;
	--transition: all 0.3s ease;
}

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

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

.container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 2rem;
}

/* Navigation */
.main-nav {
	background: rgba(255, 255, 255, 0.95);
	backdrop-filter: blur(10px);
	border-bottom: 1px solid var(--border-color);
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 1000;
	transition: var(--transition);
}

.nav-container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 2rem;
	display: flex;
	justify-content: space-between;
	align-items: center;
	height: 70px;
}

.nav-brand h1 {
	font-size: 1.5rem;
	font-weight: 700;
	background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
}

.nav-menu {
	display: flex;
	list-style: none;
	gap: 2rem;
}

.nav-link {
	text-decoration: none;
	color: var(--text-secondary);
	font-weight: 500;
	transition: var(--transition);
	position: relative;
	padding: 0.5rem 0;
}

.nav-link:hover,
.nav-link.active {
	color: var(--primary-color);
}

.nav-link.active::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	height: 2px;
	background: var(--primary-color);
}

.nav-toggle {
	display: none;
	flex-direction: column;
	cursor: pointer;
	gap: 4px;
}

.nav-toggle span {
	width: 25px;
	height: 3px;
	background: var(--text-primary);
	transition: var(--transition);
}

/* Buttons */
.btn {
	display: inline-block;
	padding: 0.75rem 2rem;
	border-radius: var(--border-radius);
	text-decoration: none;
	font-weight: 600;
	text-align: center;
	transition: var(--transition);
	border: none;
	cursor: pointer;
	font-size: 1rem;
}

.btn-primary {
	background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
	color: white;
	box-shadow: var(--shadow-md);
}

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

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

.btn-secondary:hover {
	background: var(--primary-color);
	color: white;
}

/* Hero Section */
.hero {
	min-height: 100vh;
	display: flex;
	align-items: center;
	padding: 70px 2rem 2rem;
	background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
	position: relative;
	overflow: hidden;
}

.hero-content {
	max-width: 1200px;
	margin: 0 auto;
	text-align: center;
	z-index: 2;
	position: relative;
}

.hero-title {
	font-size: clamp(2.5rem, 5vw, 4rem);
	font-weight: 800;
	margin-bottom: 1rem;
	background: linear-gradient(135deg, var(--primary-color), var(--secondary-color), var(--accent-color));
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
}

.hero-subtitle {
	font-size: 1.25rem;
	color: var(--text-secondary);
	margin-bottom: 2rem;
	max-width: 600px;
	margin-left: auto;
	margin-right: auto;
}

.hero-cta {
	display: flex;
	gap: 1rem;
	justify-content: center;
	flex-wrap: wrap;
}

.hero-visual {
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	pointer-events: none;
}

.floating-elements {
	position: relative;
	height: 100%;
}

.element {
	position: absolute;
	border-radius: 50%;
	background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
	opacity: 0.1;
	animation: float 6s ease-in-out infinite;
}

.element-1 {
	width: 300px;
	height: 300px;
	top: 20%;
	right: 10%;
	animation-delay: 0s;
}

.element-2 {
	width: 200px;
	height: 200px;
	top: 60%;
	left: 10%;
	animation-delay: 2s;
}

.element-3 {
	width: 150px;
	height: 150px;
	top: 40%;
	right: 30%;
	animation-delay: 4s;
}

@keyframes float {
	0%, 100% { transform: translateY(0px) rotate(0deg); }
	50% { transform: translateY(-20px) rotate(180deg); }
}

/* Sections */
.featured-section,
.stats-section {
	padding: 4rem 0;
}

.section-title {
	font-size: 2.5rem;
	font-weight: 700;
	text-align: center;
	margin-bottom: 3rem;
	color: var(--text-primary);
}

.featured-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	gap: 2rem;
}

.featured-card {
	background: var(--bg-primary);
	border-radius: var(--border-radius);
	box-shadow: var(--shadow-md);
	overflow: hidden;
	transition: var(--transition);
}

.featured-card:hover {
	transform: translateY(-5px);
	box-shadow: var(--shadow-lg);
}

.stats-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
	gap: 2rem;
}

.stat-card {
	background: var(--bg-primary);
	padding: 2rem;
	border-radius: var(--border-radius);
	box-shadow: var(--shadow-md);
	text-align: center;
	border-top: 4px solid var(--primary-color);
}

.stat-number {
	font-size: 2.5rem;
	font-weight: 800;
	color: var(--primary-color);
	margin-bottom: 0.5rem;
}

.stat-label {
	color: var(--text-secondary);
	font-weight: 600;
}

/* Footer */
.main-footer {
	background: var(--text-primary);
	color: white;
	padding: 3rem 0 1rem;
}

.footer-content {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
	gap: 2rem;
	margin-bottom: 2rem;
}

.footer-brand h3 {
	margin-bottom: 1rem;
	color: var(--accent-color);
}

.footer-links h4 {
	margin-bottom: 1rem;
	color: var(--primary-color);
}

.footer-links ul {
	list-style: none;
}

.footer-links a {
	color: #cbd5e0;
	text-decoration: none;
	transition: var(--transition);
}

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

/* External Projects Section */
.external-projects {
	background: var(--bg-secondary);
}

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

.external-card {
	background: var(--bg-primary);
	border-radius: var(--border-radius);
	box-shadow: var(--shadow-md);
	padding: 1.5rem;
	transition: var(--transition);
	border-left: 4px solid var(--primary-color);
}

.external-card:hover {
	transform: translateY(-3px);
	box-shadow: var(--shadow-lg);
}

.external-card h3 {
	margin-bottom: 0.5rem;
	color: var(--text-primary);
}

.external-card p {
	color: var(--text-secondary);
	margin-bottom: 1rem;
	font-size: 0.9rem;
}

.external-card .card-link {
	color: var(--primary-color);
	text-decoration: none;
	font-weight: 600;
	font-size: 0.9rem;
}

.external-card .card-link:hover {
	text-decoration: underline;
}

.social-links {
	margin: 0.5rem 0;
}

.social-links a {
	color: #cbd5e0;
	text-decoration: none;
	margin-right: 1rem;
	transition: var(--transition);
}

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

.footer-contact {
	margin-top: 1rem;
}

.footer-bottom {
	border-top: 1px solid #4a5568;
	padding-top: 1rem;
	text-align: center;
	color: #a0aec0;
}

/* Responsive Design */
@media (max-width: 768px) {
	.nav-menu {
		position: fixed;
		top: 70px;
		left: -100%;
		width: 100%;
		height: calc(100vh - 70px);
		background: var(--bg-primary);
		flex-direction: column;
		justify-content: flex-start;
		align-items: center;
		padding: 2rem;
		transition: var(--transition);
		border-top: 1px solid var(--border-color);
	}

	.nav-menu.active {
		left: 0;
	}

	.nav-toggle {
		display: flex;
	}

	.hero-cta {
		flex-direction: column;
		align-items: center;
	}

	.btn {
		width: 100%;
		max-width: 300px;
	}
}

/* Loading and Animations */
.fade-in {
	animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
	from { opacity: 0; transform: translateY(20px); }
	to { opacity: 1; transform: translateY(0); }
}

.loading {
	display: flex;
	justify-content: center;
	align-items: center;
	height: 200px;
}

.spinner {
	width: 40px;
	height: 40px;
	border: 4px solid var(--border-color);
	border-top: 4px solid var(--primary-color);
	border-radius: 50%;
	animation: spin 1s linear infinite;
}

@keyframes spin {
	0% { transform: rotate(0deg); }
	100% { transform: rotate(360deg); }
}