:root {
            --primary-blue: #1a73e8;
            --ocean-deep: #0066cc;
            --coral-accent: #ff6b6b;
            --sea-green: #2ecc71;
            --sand-beige: #f5f5dc;
        }
        body {
            font-family: 'Segoe UI', system-ui, sans-serif;
            line-height: 1.7;
            color: #333;
            background: linear-gradient(135deg, #e6f7ff 0%, #ffffff 100%);
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.8rem;
            color: var(--ocean-deep) !important;
            text-shadow: 1px 1px 3px rgba(0,0,0,0.1);
        }
        .nav-link {
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .nav-link:hover {
            color: var(--coral-accent) !important;
            transform: translateY(-2px);
        }
        .hero-section {
            background: linear-gradient(rgba(26, 115, 232, 0.8), rgba(0, 102, 204, 0.9)), url('https://via.placeholder.com/1200x600') center/cover no-repeat;
            color: white;
            padding: 100px 0;
            text-align: center;
        }
        .content-section {
            padding: 60px 0;
            background: white;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            margin: 30px 0;
        }
        h1, h2, h3 {
            color: var(--ocean-deep);
            margin-bottom: 1.5rem;
            font-weight: 700;
        }
        h1 {
            font-size: 2.8rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
        }
        h2 {
            font-size: 2.2rem;
            border-left: 5px solid var(--coral-accent);
            padding-left: 15px;
            margin-top: 2.5rem;
        }
        h3 {
            font-size: 1.8rem;
            color: var(--primary-blue);
            margin-top: 2rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight-box {
            background: linear-gradient(135deg, #e3f2fd, #f3e5f5);
            border-left: 4px solid var(--primary-blue);
            padding: 25px;
            margin: 25px 0;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .game-feature {
            transition: all 0.3s ease;
            padding: 20px;
            border-radius: 10px;
            margin-bottom: 20px;
        }
        .game-feature:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
            background: linear-gradient(135deg, #ffffff, #f0f8ff);
        }
        .img-fluid {
            border-radius: 12px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
            transition: all 0.4s ease;
            margin: 25px 0;
        }
        .img-fluid:hover {
            transform: scale(1.02);
            box-shadow: 0 15px 35px rgba(0,0,0,0.2);
        }
        footer {
            background: linear-gradient(135deg, var(--ocean-deep), #0047ab);
            color: white;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .copyright {
            border-top: 1px solid rgba(255,255,255,0.2);
            padding-top: 20px;
            margin-top: 30px;
            text-align: center;
        }
        .feature-icon {
            font-size: 2.5rem;
            color: var(--primary-blue);
            margin-bottom: 15px;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary-blue), var(--ocean-deep));
            border: none;
            padding: 12px 30px;
            border-radius: 50px;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.2);
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .hero-section {
                padding: 60px 0;
            }
        }