body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        h1 { color: #FF6B35; border-bottom: 3px solid #FF9F1C; padding-bottom: 10px; }
        h2 { color: #2EC4B6; }
        h3 { color: #E71D36; }
        .mobile-nav { display: none; background: #011627; color: white; padding: 10px; text-align: center; cursor: pointer; }
        nav { background: #011627; padding: 15px; }
        nav a { color: white; margin: 0 15px; text-decoration: none; font-weight: bold; }
        .logo { font-size: 24px; font-weight: 900; color: #FF9F1C; }
        img { max-width: 100%; height: auto; margin: 20px 0; }
        .download-btn, .login-btn { background: #2EC4B6; color: white; padding: 12px 25px; border: none; border-radius: 5px; margin: 15px 0; font-size: 16px; cursor: pointer; }
        .download-btn:hover, .login-btn:hover { background: #1a8c7f; }
        @media (max-width: 768px) {
            nav { display: none; }
            .mobile-nav { display: block; }
            .nav-active { display: block; }
        }