* {
            font-family: 'Inter', sans-serif;
        }
        
        :root {
            --primary-color: #6366f1;
            --secondary-color: #8b5cf6;
            --accent-color: #06b6d4;
            --success-color: #10b981;
            --warning-color: #f59e0b;
            --danger-color: #ef4444;
            --dark-color: #1f2937;
            --light-bg: #f8fafc;
            --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
            --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
        }
        

        body {
            background-color: #ffffff;
            color: var(--dark-color);
            line-height: 1.6;
        }

        /* Navigation */
        .navbar {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(99, 102, 241, 0.1);
            transition: all 0.3s ease;
        }

        .navbar.scrolled {
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
        }

        .navbar-brand {
            font-weight: 700;
            font-size: 1.5rem;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-link {
            font-weight: 500;
            color: var(--dark-color) !important;
            transition: all 0.3s ease;
            position: relative;
        }

        .nav-link:hover {
            color: var(--primary-color) !important;
            transform: translateY(-2px);
        }

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

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--gradient-primary);
            border-radius: 2px;
        }

        /* Hero Section */
        .hero-section {
            background: var(--gradient-primary);
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            animation: gradientAnimation 15s ease infinite alternate;
        }

        .hero-section::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 0 100 100"><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="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
        }

        .hero-content {
            position: relative;
            z-index: 2;
        }

        .hero-title {
            font-size: 3.5rem;
            font-weight: 700;
            color: white;
            margin-bottom: 1.5rem;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }

        .hero-subtitle {
            font-size: 1.3rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 2rem;
            font-weight: 400;
        }

        .btn-hero {
            background: rgba(255, 255, 255, 0.2);
            border: 2px solid rgba(255, 255, 255, 0.3);
            color: white;
            padding: 12px 30px;
            border-radius: 50px;
            font-weight: 600;
            transition: all 0.3s ease;
            backdrop-filter: blur(10px);
        }

        .btn-hero:hover {
            background: white;
            color: var(--primary-color);
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        }

        /* Section Styling */
        .section-title {
            font-size: 2.5rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 3rem;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .section-padding {
            padding: 80px 0;
        }

        /* Introduction Cards */
        .intro-card {
            background: white;
            border-radius: 20px;
            padding: 2rem;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
            border: 1px solid rgba(99, 102, 241, 0.1);
            height: 100%;
        }

        .intro-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 60px rgba(99, 102, 241, 0.2);
        }

        .intro-icon {
            width: 80px;
            height: 80px;
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            font-size: 2rem;
            color: white;
        }

        .intro-icon.purple { background: var(--gradient-primary); }
        .intro-icon.pink { background: var(--gradient-secondary); }
        .intro-icon.blue { background: var(--gradient-accent); }

        /* Category Cards */
        .category-card {
            background: white;
            border-radius: 15px;
            padding: 1.5rem;
            margin-bottom: 1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            border: 2px solid transparent;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
        }

        .category-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
        }

        .category-card.active {
            border-color: var(--primary-color);
            background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
        }

        .category-icon {
            width: 60px;
            height: 60px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1rem;
            font-size: 1.5rem;
            color: white;
        }

        /* Data Table */
        .data-table-container {
            background: white;
            border-radius: 20px;
            padding: 2rem;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
            margin-top: 2rem;
        }

        .table-modern {
            border-collapse: separate;
            border-spacing: 0;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
        }

        .table-modern thead {
            background: var(--gradient-primary);
            color: white;
        }

        .table-modern th {
            padding: 1rem;
            font-weight: 600;
            border: none;
            text-align: center;
        }

        .table-modern td {
            padding: 1rem;
            border: none;
            border-bottom: 1px solid #e5e7eb;
            text-align: center;
            transition: all 0.3s ease;
        }

        .table-modern tbody tr:hover {
            background: rgba(99, 102, 241, 0.05);
            transform: scale(1.01);
        }

        .table-modern tbody tr:last-child td {
            border-bottom: none;
        }

        /* Dashboard Section */
        .dashboard-card {
            background: white;
            border-radius: 20px;
            padding: 2rem;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
            height: 400px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px dashed #e5e7eb;
            transition: all 0.3s ease;
        }

        .dashboard-card:hover {
            border-color: var(--primary-color);
            background: rgba(99, 102, 241, 0.02);
        }

        /* News Cards */
        .news-card {
            background: white;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
            height: 100%;
        }

        .news-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
        }

        .news-image {
            height: 200px;
            background: var(--gradient-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 3rem;
        }

        .news-content {
            padding: 1.5rem;
        }

        .news-date {
            color: var(--primary-color);
            font-size: 0.9rem;
            font-weight: 500;
        }

        .news-title {
            font-weight: 600;
            margin: 0.5rem 0;
            color: var(--dark-color);
        }

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

        .footer-title {
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--primary-color);
        }

        /* Animations */
        .fade-in {
            opacity: 0;
            animation: fadeIn 0.8s ease forwards;
        }

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

        .slide-up {
            transform: translateY(30px);
            opacity: 0;
            animation: slideUp 0.8s ease forwards;
        }

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

        /* Responsive */
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.5rem;
            }
            
            .section-title {
                font-size: 2rem;
            }
            
            .category-card {
                text-align: center;
            }
        }

        /* Utility Classes */
        .bg-light-custom {
            background-color: var(--light-bg);
        }

        .text-gradient {
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }