:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #0dcaf0;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --font-family: 'Inter', sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--dark-color);
}

.py-6 {
    padding-top: 5rem !important;
    padding-bottom: 5rem !important;
}

.mb-6 {
    margin-bottom: 5rem !important;
}

.min-vh-100 {
    min-height: 100vh !important;
}

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-color), #0056b3) !important;
}

.shadow-2xl {
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25) !important;
}

.shadow-lg {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05) !important;
}

/* Navigation */
.navbar {
    transition: all 0.3s ease;
}

.navbar-brand:hover {
    transform: scale(1.05);
    transition: all 0.3s ease;
}

.nav-link {
    position: relative;
    transition: all 0.3s ease;
    padding: 0.75rem 1rem !important;
    margin: 0 0.25rem;
    border-radius: 0.5rem;
}

.nav-link:hover {
    background-color: rgba(13, 110, 253, 0.1);
    transform: translateY(-2px);
}

.nav-link.active {
    background-color: var(--primary-color);
    color: white !important;
}

/* Hero Section */
.hero-section {
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-content h1 {
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    font-size: 1.5rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* Animations */
.animate-slide-up {
    animation: slideUp 1s ease-out;
}

.animate-fade-in {
    animation: fadeIn 1.5s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Cards */
.hover-lift {
    transition: all 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15) !important;
}

.feature-card {
    transition: all 0.3s ease;
    border-radius: 1rem !important;
}

.feature-icon {
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
}

.news-card {
    border-radius: 1rem !important;
    overflow: hidden;
}

.news-card .card-img-top {
    transition: all 0.3s ease;
}

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

/* Buttons */
.btn {
    border-radius: 0.75rem;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.btn-warning {
    background: linear-gradient(135deg, #ffc107, #ffb800);
    border: none;
    color: var(--dark-color);
}

.btn-warning:hover {
    background: linear-gradient(135deg, #ffb800, #ff9500);
    color: var(--dark-color);
}

/* Counter Animation */
.counter {
    display: inline-block;
}

/* Page Headers */
.page-header {
    background: linear-gradient(135deg, var(--primary-color), #0056b3);
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

/* Forms */
.form-control {
    border-radius: 0.75rem;
    border: 2px solid #e9ecef;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
    transform: translateY(-2px);
}

/* Footer */
.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    text-align: center;
    line-height: 40px;
    margin-right: 0.5rem;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .display-3 {
        font-size: 2.5rem;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .hero-section .container {
        padding-top: 2rem;
        padding-bottom: 2rem;
    }
    
    .py-6 {
        padding-top: 3rem !important;
        padding-bottom: 3rem !important;
    }
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Scroll behavior */
html {
    scroll-behavior: smooth;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #0056b3;
}