:root {
            --primary-color: #8A2BE2;
            --secondary-color: #FFD700;
            --accent-color: #00CED1;
            --dark-bg: #1a1a2e;
            --light-text: #ffffff;
            --gradient-bg: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        }
        body {
            font-family: 'Segoe UI', system-ui, sans-serif;
            background-color: var(--dark-bg);
            color: var(--light-text);
            line-height: 1.7;
        }
        .navbar-brand {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(45deg, var(--secondary-color), var(--accent-color));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
        }
        .hero-section {
            background: var(--gradient-bg);
            padding: 100px 0;
            text-align: center;
            margin-bottom: 50px;
            border-radius: 0 0 30px 30px;
        }
        .content-section {
            background: rgba(255,255,255,0.05);
            backdrop-filter: blur(10px);
            border-radius: 15px;
            padding: 30px;
            margin-bottom: 30px;
            border: 1px solid rgba(255,255,255,0.1);
        }
        h1, h2, h3 {
            color: var(--secondary-color);
            margin-bottom: 1.5rem;
        }
        h1 {
            font-size: 3rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        .keyword-highlight {
            color: var(--accent-color);
            font-weight: bold;
            background: rgba(0,206,209,0.1);
            padding: 2px 6px;
            border-radius: 4px;
        }
        .feature-icon {
            font-size: 2rem;
            color: var(--secondary-color);
            margin-bottom: 1rem;
        }
        .img-container {
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
            margin: 2rem 0;
        }
        .nav-pills .nav-link.active {
            background: var(--primary-color);
            color: white;
        }
        .footer {
            background: rgba(0,0,0,0.8);
            padding: 40px 0;
            margin-top: 50px;
            border-top: 3px solid var(--primary-color);
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 60px 0;
            }
            h1 {
                font-size: 2rem;
            }
            .content-section {
                padding: 20px;
            }
        }
        .section-divider {
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
            margin: 40px 0;
        }
        .stats-number {
            font-size: 2.5rem;
            font-weight: bold;
            color: var(--secondary-color);
        }