:root {
            --primary-blue: #1a5276;
            --secondary-teal: #17a2b8;
            --accent-coral: #e74c3c;
            --deep-ocean: #154360;
            --light-aqua: #aed6f1;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, 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(--primary-blue) !important;
            text-shadow: 1px 1px 3px rgba(0,0,0,0.1);
        }
        .nav-link {
            font-weight: 500;
            transition: all 0.3s ease;
        }
        .nav-link:hover {
            color: var(--secondary-teal) !important;
            transform: translateY(-2px);
        }
        .hero-section {
            background: linear-gradient(rgba(26, 82, 118, 0.8), rgba(23, 162, 184, 0.7)), url('https://via.placeholder.com/1200x600') center/cover no-repeat;
            color: white;
            padding: 100px 0;
            text-align: center;
        }
        .section-title {
            color: var(--primary-blue);
            border-left: 5px solid var(--secondary-teal);
            padding-left: 15px;
            margin: 40px 0 25px;
        }
        .content-card {
            background: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            padding: 25px;
            margin-bottom: 30px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border-top: 3px solid var(--secondary-teal);
        }
        .content-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .highlight-text {
            background: linear-gradient(120deg, var(--light-aqua) 0%, var(--light-aqua) 100%);
            background-repeat: no-repeat;
            background-size: 100% 40%;
            background-position: 0 90%;
            padding: 0 5px;
            font-weight: 600;
        }
        .game-feature {
            text-align: center;
            padding: 20px;
            border-radius: 8px;
            background: rgba(174, 214, 241, 0.2);
            margin: 15px 0;
            transition: all 0.3s ease;
        }
        .game-feature:hover {
            background: rgba(174, 214, 241, 0.4);
            transform: scale(1.02);
        }
        .feature-icon {
            font-size: 2.5rem;
            color: var(--primary-blue);
            margin-bottom: 15px;
        }
        .img-fluid {
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            transition: transform 0.3s ease;
        }
        .img-fluid:hover {
            transform: scale(1.02);
        }
        footer {
            background: var(--deep-ocean);
            color: white;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: var(--secondary-teal);
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            box-shadow: 0 3px 10px rgba(0,0,0,0.2);
            transition: all 0.3s ease;
            z-index: 1000;
        }
        .back-to-top:hover {
            background: var(--primary-blue);
            transform: translateY(-3px);
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 60px 0;
            }
            .navbar-brand {
                font-size: 1.5rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
        }