/* ===== Modern Foundation Design 2025 ===== */

/* Theme and typography */
:root {
	--primary: #2563eb;
	--primary-dark: #1e40af;
	--accent: #7c3aed;
	--accent-light: #a78bfa;
	--success: #10b981;
	--muted: #64748b;
	--bg: #f8fafc;
	--bg-glass: rgba(255, 255, 255, 0.85);
	--shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
	--shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
	--shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
	--shadow-hover: 0 20px 40px rgba(37, 99, 235, 0.15);
	--border-radius: 16px;
	--transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
	box-sizing: border-box;
}

body {
	font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
	background: var(--bg);
	color: #1e293b;
	line-height: 1.6;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

/* Smooth scrolling */
html {
	scroll-behavior: smooth;
}

/* Accessibility - Skip to main content */
.skip-to-main {
	position: absolute;
	top: -100px;
	left: 0;
	background: var(--primary);
	color: white;
	padding: 0.75rem 1.5rem;
	text-decoration: none;
	z-index: 9999;
	transition: top 0.3s;
}

.skip-to-main:focus {
	top: 0;
	outline: 3px solid var(--accent);
	outline-offset: 2px;
}

/* Focus visible for keyboard navigation */
a:focus-visible, 
button:focus-visible, 
input:focus-visible, 
textarea:focus-visible, 
select:focus-visible {
	outline: 3px solid var(--primary);
	outline-offset: 2px;
}

/* Ensure proper contrast for links */
a {
	color: var(--primary);
	text-decoration: none;
}

a:hover, a:focus {
	text-decoration: underline;
}

/* Brand */
.brand-text {
	font-weight: 700;
	font-size: 1.15rem;
	letter-spacing: -0.02em;
	background: linear-gradient(135deg, var(--primary), var(--accent));
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
}

/* Modern Navbar */
.navbar {
	backdrop-filter: blur(10px);
	background-color: rgba(255, 255, 255, 0.95) !important;
	border-bottom: 1px solid rgba(226, 232, 240, 0.8);
	transition: var(--transition);
}

.navbar-nav .nav-link {
	font-weight: 500;
	color: #475569;
	transition: var(--transition);
	position: relative;
}

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

.navbar-nav .nav-link::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 50%;
	transform: translateX(-50%);
	width: 0;
	height: 2px;
	background: var(--primary);
	transition: width 0.3s ease;
}

.navbar-nav .nav-link:hover::after {
	width: 80%;
}

/* Hero Section - Modern & Impactful */
.hero {
	background: linear-gradient(135deg, #eff6ff 0%, #f5f3ff 100%);
	border-radius: var(--border-radius);
	position: relative;
	overflow: hidden;
	padding: 4rem 0 !important;
}

.hero::before {
	content: '';
	position: absolute;
	top: -50%;
	right: -20%;
	width: 600px;
	height: 600px;
	background: radial-gradient(circle, rgba(124, 58, 237, 0.1) 0%, transparent 70%);
	border-radius: 50%;
	animation: float 20s infinite ease-in-out;
}

.hero::after {
	content: '';
	position: absolute;
	bottom: -30%;
	left: -10%;
	width: 400px;
	height: 400px;
	background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
	border-radius: 50%;
	animation: float 15s infinite ease-in-out reverse;
}

@keyframes float {
	0%, 100% { transform: translate(0, 0) scale(1); }
	50% { transform: translate(-20px, 20px) scale(1.05); }
}

.hero .display-5 {
	color: #0f172a;
	font-weight: 800;
	font-size: 3rem;
	line-height: 1.1;
	letter-spacing: -0.02em;
	margin-bottom: 1.5rem;
}

.hero .lead {
	font-size: 1.25rem;
	color: #475569;
	font-weight: 400;
	max-width: 600px;
}

.hero-img {
	max-width: 400px;
	filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.1));
	animation: heroFloat 6s infinite ease-in-out;
	position: relative;
	z-index: 1;
}

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

/* Buttons - Modern Style */
.btn {
	font-weight: 600;
	border-radius: 12px;
	padding: 0.75rem 1.75rem;
	transition: var(--transition);
	border: none;
	position: relative;
	overflow: hidden;
}

.btn-primary {
	background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
	box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
	transform: translateY(-2px);
	box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
	background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
}

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

.btn-outline-primary:hover {
	background: var(--primary);
	transform: translateY(-2px);
	box-shadow: 0 8px 20px rgba(37, 99, 235, 0.25);
}

.btn-outline-secondary {
	border: 2px solid #e2e8f0;
	color: #64748b;
	background: white;
}

.btn-outline-secondary:hover {
	background: #f1f5f9;
	border-color: #cbd5e1;
	transform: translateY(-2px);
}

/* Cards - Modern Glass Morphism */
.card {
	border: 1px solid rgba(226, 232, 240, 0.6);
	border-radius: var(--border-radius);
	background: var(--bg-glass);
	backdrop-filter: blur(10px);
	transition: var(--transition);
	overflow: hidden;
}

.card-img-top {
	height: 200px;
	object-fit: cover;
	transition: var(--transition);
}

.project-card {
	transition: var(--transition);
	border: 1px solid rgba(226, 232, 240, 0.8);
}

.project-card:hover {
	transform: translateY(-8px);
	box-shadow: var(--shadow-hover);
	border-color: rgba(37, 99, 235, 0.3);
}

.project-card:hover .card-img-top {
	transform: scale(1.05);
}

/* Enhanced hover effect for clickable cards */
a.text-decoration-none .hoverable-card {
	cursor: pointer;
}

a.text-decoration-none .hoverable-card:hover {
	border-color: var(--primary);
	box-shadow: 0 20px 50px rgba(37, 99, 235, 0.25);
}

a.text-decoration-none .hoverable-card .card-title {
	color: #0f172a;
	transition: color 0.3s;
}

a.text-decoration-none .hoverable-card:hover .card-title {
	color: var(--primary);
}

/* Project logo loading states */
.project-logo {
	transition: opacity 0.3s ease-in-out;
}

.project-card:not(.logo-loaded) .project-logo {
	opacity: 0.9;
}

.project-card.logo-loaded .project-logo {
	opacity: 1;
	animation: fadeInLogo 0.5s ease-in-out;
}

@keyframes fadeInLogo {
	from {
		opacity: 0.5;
		transform: scale(0.95);
	}
	to {
		opacity: 1;
		transform: scale(1);
	}
}

.logo-loading-spinner .spinner-border {
	width: 2rem;
	height: 2rem;
}

.card-body {
	padding: 1.5rem;
}

.card-title {
	font-weight: 700;
	color: #0f172a;
	font-size: 1.25rem;
	margin-bottom: 0.75rem;
}

.card-text {
	color: #64748b;
	line-height: 1.7;
}

/* Stats/Badge */
.stat-badge {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	padding: 0.5rem 1rem;
	background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(124, 58, 237, 0.1));
	border-radius: 50px;
	font-weight: 600;
	color: var(--primary);
	font-size: 0.875rem;
}

/* Team Section - Modern Presentation */
.team-avatar {
	width: 72px;
	height: 72px;
	object-fit: cover;
	box-shadow: var(--shadow-md);
	border: 3px solid white;
	transition: var(--transition);
}

.team-member {
	transition: var(--transition);
	padding: 1rem;
	border-radius: 12px;
}

.team-member:hover {
	background: rgba(37, 99, 235, 0.03);
}

.team-member:hover .team-avatar {
	transform: scale(1.1);
	box-shadow: var(--shadow-lg);
}

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

.section-header h2 {
	font-size: 2.5rem;
	font-weight: 800;
	color: #0f172a;
	margin-bottom: 1rem;
	letter-spacing: -0.02em;
}

.section-header p {
	font-size: 1.125rem;
	color: #64748b;
	max-width: 600px;
	margin: 0 auto;
}

/* Footer - Modern Gradient */
.site-footer .footer-top {
	background: linear-gradient(135deg, #1e40af 0%, #7c3aed 100%);
	position: relative;
	overflow: hidden;
}

.site-footer .footer-top::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(255,255,255,0.05)" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,138.7C960,139,1056,117,1152,112C1248,107,1344,117,1392,122.7L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
	background-size: cover;
	opacity: 0.5;
}

.site-footer .footer-top a {
	text-decoration: none;
	transition: var(--transition);
	opacity: 0.9;
}

.site-footer .footer-top a:hover {
	opacity: 1;
	transform: translateX(4px);
}

.site-footer h6 {
	font-weight: 700;
	margin-bottom: 1rem;
	font-size: 1rem;
	letter-spacing: 0.05em;
	text-transform: uppercase;
}

/* Form Styling */
.form-label {
	font-weight: 600;
	color: #334155;
	margin-bottom: 0.5rem;
	font-size: 0.95rem;
}

.form-control, .form-select {
	border: 2px solid #e2e8f0;
	border-radius: 10px;
	padding: 0.75rem 1rem;
	transition: var(--transition);
	background: white;
}

.form-control:focus, .form-select:focus {
	border-color: var(--primary);
	box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

textarea.form-control {
	min-height: 120px;
}

/* Utility Classes */
.text-gradient {
	background: linear-gradient(135deg, var(--primary), var(--accent));
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
}

.glass-card {
	background: var(--bg-glass);
	backdrop-filter: blur(10px);
	border: 1px solid rgba(255, 255, 255, 0.5);
	border-radius: var(--border-radius);
	box-shadow: var(--shadow-md);
}

.feature-icon {
	width: 56px;
	height: 56px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(124, 58, 237, 0.1));
	border-radius: 12px;
	color: var(--primary);
	font-size: 1.5rem;
	margin-bottom: 1rem;
}

/* Animations */
@keyframes fadeInUp {
	from {
		opacity: 0;
		transform: translateY(30px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

.animate-fade-in-up {
	animation: fadeInUp 0.6s ease-out;
}

/* Responsive Design */
@media (max-width: 991px) {
	.hero .display-5 {
		font-size: 2.25rem;
	}
	
	.hero-img {
		max-width: 280px;
		margin-top: 2rem;
	}
	
	.section-header h2 {
		font-size: 2rem;
	}
	
	/* Mobile Navigation */
	.navbar-collapse {
		padding: 1rem 0;
	}
	
	.navbar-nav .nav-link {
		padding: 0.75rem 0;
	}
}

@media (max-width: 767px) {
	.hero {
		padding: 2rem 0 !important;
	}
	
	.hero .display-5 {
		font-size: 1.875rem;
		line-height: 1.2;
	}
	
	.hero .lead {
		font-size: 1.05rem;
	}
	
	.hero-img {
		display: none;
	}
	
	.btn-lg {
		padding: 0.65rem 1.25rem;
		font-size: 1rem;
	}
	
	.card-img-top {
		height: 160px;
	}
	
	/* Mobile Touch Targets */
	.btn, .nav-link, a {
		min-height: 44px;
		display: inline-flex;
		align-items: center;
	}
	
	/* Mobile Spacing */
	.container {
		padding-left: 1rem;
		padding-right: 1rem;
	}
	
	/* Mobile Typography */
	h1 { font-size: 1.875rem; }
	h2 { font-size: 1.5rem; }
	h3 { font-size: 1.25rem; }
	
	/* Mobile Cards */
	.card {
		margin-bottom: 1rem;
	}
	
	.card-body {
		padding: 1.25rem;
	}
	
	/* Mobile Forms */
	input, textarea, select {
		font-size: 16px !important; /* Prevent zoom on iOS */
	}
	
	/* Mobile Tables */
	.table-responsive {
		overflow-x: auto;
		-webkit-overflow-scrolling: touch;
	}
}

@media (max-width: 576px) {
	/* Extra small devices */
	.display-5 {
		font-size: 1.5rem;
	}
	
	.lead {
		font-size: 1rem;
	}
	
	/* Stack buttons vertically on very small screens */
	.d-flex.gap-3 {
		flex-direction: column !important;
		gap: 0.75rem !important;
	}
	
	.btn {
		width: 100%;
		justify-content: center;
	}
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
	/* Larger touch targets */
	.btn, .nav-link {
		min-height: 48px;
		min-width: 48px;
	}
	
	/* Remove hover effects on touch devices */
	.card:hover {
		transform: none;
	}
	
	/* Better tap highlighting */
	a, button, input, textarea, select {
		-webkit-tap-highlight-color: rgba(37, 99, 235, 0.1);
	}
}

/* Print Styles */
@media print {
	.navbar, .site-footer, .btn { display: none; }
	body { background: white; }
	.card { border: 1px solid #ddd; box-shadow: none; }
}