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: #2c3e50; border-bottom: 3px solid #e74c3c; padding-bottom: 10px; }
        h2 { color: #e74c3c; margin-top: 30px; }
        h3 { color: #3498db; }
        .logo { font-size: 28px; font-weight: bold; color: #e74c3c; text-transform: uppercase; letter-spacing: 2px; }
        .nav { display: flex; justify-content: space-between; align-items: center; margin-bottom: 30px; flex-wrap: wrap; }
        .nav-links { display: flex; gap: 20px; }
        .mobile-toggle { display: none; }
        .btn { background: #e74c3c; color: white; padding: 10px 20px; border-radius: 5px; text-decoration: none; }
        .download-btn { background: #27ae60; }
        .login-btn { background: #3498db; }
        img { max-width: 100%; height: auto; margin: 20px 0; border-radius: 8px; }
        .cta-section { text-align: center; margin: 40px 0; padding: 30px; background: #f8f9fa; border-radius: 10px; }
        .footer { margin-top: 50px; padding-top: 30px; border-top: 2px solid #eee; }
        @media (max-width: 768px) {
            .nav-links { display: none; flex-direction: column; width: 100%; }
            .nav-links.active { display: flex; }
            .mobile-toggle { display: block; background: none; border: none; font-size: 24px; cursor: pointer; }
        }