body {
            box-sizing: border-box;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        html, body {
            width: 100%;
            height: 100%;
            margin: 0;
            padding: 0;
        }
        
        .page-wrapper {
            width: 100%;
            min-height: 100%;
            background: #f9fafb;
        }
        
        .gradient-bg {
            background: linear-gradient(135deg, #4CAF50 0%, #2E7D32 100%);
        }
        
        .card-hover {
            transition: all 0.3s ease;
            cursor: pointer;
        }
        
        .card-hover:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
        }
        
        .page-section {
            display: none;
            animation: fadeIn 0.3s ease-in;
        }
        
        .page-section.active {
            display: block;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        
        .nav-link {
            position: relative;
            padding-bottom: 1rem;
            transition: color 0.3s ease;
        }
        
        .nav-link.active {
            color: #4CAF50;
        }
        
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: #4CAF50;
        }
        
        .stat-number {
            animation: countUp 1s ease-out;
        }
        
        @keyframes countUp {
            from {
                opacity: 0;
                transform: translateY(10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .modal-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1000;
            align-items: center;
            justify-content: center;
            overflow-y: auto;
        }
        
        .modal-overlay.show {
            display: flex;
        }
        
        .modal-content {
            background: white;
            border-radius: 12px;
            max-width: 600px;
            width: 90%;
            max-height: 90%;
            overflow-y: auto;
            animation: slideUp 0.3s ease-out;
            margin: 20px;
        }
        
        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(50px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .mobile-menu-btn {
            display: none;
        }
        
        .spinner {
            border: 3px solid #f3f3f3;
            border-top: 3px solid #4CAF50;
            border-radius: 50%;
            width: 24px;
            height: 24px;
            animation: spin 1s linear infinite;
            display: inline-block;
        }
        
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        
        .toast {
            position: fixed;
            bottom: 20px;
            right: 20px;
            background: #4CAF50;
            color: white;
            padding: 16px 24px;
            border-radius: 8px;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            z-index: 2000;
            animation: slideInRight 0.3s ease-out;
        }
        
        @keyframes slideInRight {
            from {
                transform: translateX(400px);
                opacity: 0;
            }
            to {
                transform: translateX(0);
                opacity: 1;
            }
        }
        
        .page-loader {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(255, 255, 255, 0.95);
            display: none;
            align-items: center;
            justify-content: center;
            z-index: 9999;
            flex-direction: column;
        }
        
        .page-loader.show {
            display: flex;
        }
        
        .loader-spinner {
            width: 60px;
            height: 60px;
            border: 4px solid #f3f3f3;
            border-top: 4px solid #4CAF50;
            border-radius: 50%;
            animation: spin 0.8s linear infinite;
        }
        
        .loader-text {
            margin-top: 20px;
            color: #4CAF50;
            font-size: 18px;
            font-weight: 600;
        }
        
        .animated-card {
            animation: cardSlideUp 0.5s ease-out;
        }
        
        @keyframes cardSlideUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .stagger-1 { animation-delay: 0.1s; }
        .stagger-2 { animation-delay: 0.2s; }
        .stagger-3 { animation-delay: 0.3s; }
        .stagger-4 { animation-delay: 0.4s; }
        .stagger-5 { animation-delay: 0.5s; }
        .stagger-6 { animation-delay: 0.6s; }
        
        .pulse-animation {
            animation: pulse 2s ease-in-out infinite;
        }
        
        @keyframes pulse {
            0%, 100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.05);
            }
        }
        
        .float-animation {
            animation: float 3s ease-in-out infinite;
        }
        
        @keyframes float {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-10px);
            }
        }
        
        .progress-bar {
            position: fixed;
            top: 0;
            left: 0;
            height: 3px;
            background: #4CAF50;
            width: 0;
            z-index: 9998;
            transition: width 0.3s ease;
        }
        
        .interactive-stat {
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }
        
        .interactive-stat::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            border-radius: 50%;
            background: rgba(76, 175, 80, 0.1);
            transform: translate(-50%, -50%);
            transition: width 0.6s, height 0.6s;
        }
        
        .interactive-stat:hover::before {
            width: 300px;
            height: 300px;
        }
        
        .chart-container {
            position: relative;
            animation: chartFadeIn 0.8s ease-out;
        }
        
        @keyframes chartFadeIn {
            from {
                opacity: 0;
                transform: scale(0.9);
            }
            to {
                opacity: 1;
                transform: scale(1);
            }
        }
       
        /* Hero Slider Styles */
        .hero-slider-container {
            position: relative;
            width: 100%;
        }
        
        .hero-slide {
            display: none;
            animation: slideIn 0.5s ease-out;
        }
        
        .hero-slide.active {
            display: block;
        }
        
        @keyframes slideIn {
            from {
                opacity: 0;
                transform: translateX(100px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }
        
        .slider-prev,
        .slider-next {
            font-size: 2rem;
            font-weight: bold;
        }
        
        .slider-indicator.active {
            opacity: 1;
        }

        /* Dropdown Menu Styles */
        .dropdown {
            position: relative;
            display: inline-block;
        }

        .dropdown-content {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            background: white;
            min-width: 220px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
            border-radius: 8px;
            padding: 8px 0;
            z-index: 1;
            animation: dropdownFadeIn 0.2s ease-out;
        }
        
        @keyframes dropdownFadeIn {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .dropdown:hover .dropdown-content {
            display: block;
        }

        .dropdown-content a {
            display: block;
            padding: 12px 20px;
            color: #374151;
            text-decoration: none;
            transition: all 0.2s ease;
            font-size: 14px;
        }

        .dropdown-content a:hover {
            background: #f3f4f6;
            padding-left: 24px;
        }

        .dropdown-content a span {
            margin-right: 8px;
        }

        /* Article Search & Filter */
        .article-search-bar {
            position: relative;
        }

        .bookmark-btn {
            transition: all 0.3s ease;
        }

        .bookmark-btn.active {
            color: #fbbf24;
        }

        /* Map Filter Styles */
        .map-legend-item {
            display: flex;
            align-items: center;
            padding: 8px;
            border-radius: 6px;
            transition: all 0.2s ease;
            cursor: pointer;
        }

        .map-legend-item:hover {
            background: #f3f4f6;
            transform: translateX(4px);
        }

        /* Organization Chart */
        .org-chart {
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .org-level {
            display: flex;
            justify-content: center;
            margin: 20px 0;
            gap: 20px;
            flex-wrap: wrap;
        }

        .org-box {
            background: white;
            border: 2px solid #4CAF50;
            border-radius: 8px;
            padding: 16px 24px;
            text-align: center;
            min-width: 180px;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
        }

        .org-box:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 12px rgba(0, 0, 0, 0.15);
        }

        .org-box.head {
            background: #4CAF50;
            color: white;
        }

        .org-connector {
            width: 2px;
            height: 30px;
            background: #4CAF50;
            margin: 0 auto;
        }

        /* Product Card Styles */
        .product-card {
            position: relative;
            overflow: hidden;
        }

        .product-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            z-index: 10;
        }

        .product-image {
            width: 100%;
            height: 200px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 4rem;
            background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
        }

        /* Cart Badge */
        .cart-badge {
            position: absolute;
            top: -8px;
            right: -8px;
            background: #ef4444;
            color: white;
            border-radius: 50%;
            width: 20px;
            height: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: bold;
        }

        /* Rating Stars */
        .rating-stars {
            color: #fbbf24;
        }
        
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }

            .mobile-nav {
            display: none;
            background: white;
            }

            .mobile-nav.show {
                display: block;
            }

            .mobile-dropdown-content {
                overflow: hidden;
                transition: max-height 0.3s ease;
            }

            .mobile-dropdown-btn svg {
                transition: transform 0.3s ease;
            }

            .mobile-dropdown-btn.active svg {
                transform: rotate(180deg);
            }
                
            .stat-grid {
                grid-template-columns: 1fr !important;
            }
            
            .feature-grid {
                grid-template-columns: 1fr !important;
            }
            
            .login-sidebar {
                width: 100%;
                right: -100%;
            }
            
            .hero-slide h2 {
                font-size: 2rem !important;
            }
            
            .hero-slide p {
                font-size: 1rem !important;
            }
            
            .slider-prev,
            .slider-next {
                width: 10px;
                height: 10px;
                font-size: 1.5rem;
            }

            .dropdown-content {
                position: static;
                box-shadow: none;
                padding: 0;
                margin-top: 0;
            }

            .dropdown:hover .dropdown-content {
                display: none;
            }

            .dropdown.mobile-open .dropdown-content {
                display: block;
            }
        }
        
        @media (max-width: 480px) {
            .hero-slide {
                padding-top: 3rem !important;
                padding-bottom: 3rem !important;
            }
            
            .hero-slide h2 {
                font-size: 1.5rem !important;
            }
            
            .hero-slide .text-6xl {
                font-size: 3rem;
            }
        }