:root {
            --primary-blue: #1a73e8;
            --ocean-deep: #0066cc;
            --coral-accent: #ff6b6b;
            --sand-beige: #f4e4bc;
            --sea-green: #2ecc71;
        }
        body {
            font-family: 'Segoe UI', system-ui, sans-serif;
            line-height: 1.7;
            color: #333;
            background: linear-gradient(135deg, #e6f7ff 0%, #ffffff 100%);
        }
        .marine-navbar {
            background: linear-gradient(90deg, var(--ocean-deep) 0%, var(--primary-blue) 100%);
            box-shadow: 0 4px 12px rgba(0, 102, 204, 0.2);
        }
        .logo-text {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }
        .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;
            color: white;
            padding: 100px 0;
            text-align: center;
        }
        .game-feature {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border-radius: 12px;
            overflow: hidden;
        }
        .game-feature:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
        }
        .download-btn {
            background: linear-gradient(45deg, var(--sea-green), #27ae60);
            border: none;
            padding: 12px 30px;
            font-weight: 600;
            border-radius: 50px;
            transition: all 0.3s ease;
        }
        .download-btn:hover {
            transform: scale(1.05);
            box-shadow: 0 8px 20px rgba(39, 174, 96, 0.4);
        }
        .login-btn {
            background: transparent;
            border: 2px solid var(--primary-blue);
            color: var(--primary-blue);
            padding: 10px 28px;
            font-weight: 600;
            border-radius: 50px;
            transition: all 0.3s ease;
        }
        .login-btn:hover {
            background: var(--primary-blue);
            color: white;
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 30px;
            color: var(--ocean-deep);
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, var(--coral-accent), var(--sea-green));
            border-radius: 2px;
        }
        .marine-card {
            border: none;
            border-radius: 12px;
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
            overflow: hidden;
        }
        .marine-card:hover {
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
        }
        .tag-badge {
            display: inline-block;
            background: #e6f7ff;
            color: var(--ocean-deep);
            padding: 5px 12px;
            border-radius: 20px;
            margin: 5px;
            font-size: 0.85rem;
            transition: all 0.3s ease;
        }
        .tag-badge:hover {
            background: var(--primary-blue);
            color: white;
            text-decoration: none;
        }
        .rating-stars {
            color: #ffc107;
        }
        .footer-section {
            background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
            color: white;
            padding: 50px 0 20px;
        }
        .game-image {
            border-radius: 10px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
            transition: transform 0.5s ease;
        }
        .game-image:hover {
            transform: scale(1.02);
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 60px 0;
            }
            .logo-text {
                font-size: 1.5rem;
            }
        }