body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        .logo { font-size: 28px; font-weight: bold; color: #FF9800; text-align: center; margin: 20px 0; }
        nav { background: #333; padding: 10px; display: flex; justify-content: space-around; }
        nav a { color: white; text-decoration: none; }
        .mobile-nav-toggle { display: none; background: #333; color: white; padding: 10px; text-align: center; cursor: pointer; }
        h1 { color: #FF9800; font-size: 2.2em; }
        h2 { color: #FF5722; font-size: 1.8em; margin-top: 30px; }
        h3 { color: #E91E63; font-size: 1.5em; }
        .btn { display: inline-block; background: #FF9800; color: white; padding: 10px 20px; margin: 10px 0; border-radius: 5px; text-decoration: none; }
        img { max-width: 100%; height: auto; margin: 20px 0; }
        .footer { margin-top: 40px; padding: 20px; background: #333; color: white; text-align: center; }
        @media (max-width: 768px) {
            nav { display: none; flex-direction: column; }
            .mobile-nav-toggle { display: block; }
            .nav-visible { display: flex; }
        }