body {
        font-family: Arial, sans-serif;
        background-color: #121212;
        color: white;
        text-align: center;
        margin: 0;
        padding: 0;
    }
    .container { width: 90%; max-width: 1200px; margin: auto; }
    .navbar { display: flex; justify-content: space-between; align-items: center; padding: 10px 20px; background: #007BFF; color: white; position: fixed; top: 0; width: 100%; z-index: 10; }
    .hero { background: linear-gradient(to right, #007BFF, #00A86B); padding: 100px 20px; margin-top: 50px; border-radius: 15px; }
    .logo-circle { background: white; border-radius: 50%; padding: 10px; width: 80px; height: 80px; display: flex; justify-content: center; align-items: center; margin: auto; }
    .logo-img { width: 50px; }
    .saved-courses, .search-bar { background: #222; padding: 30px; border-radius: 15px; margin: 20px; }
    .grid { display: flex; justify-content: space-around; margin-top: 20px; }
    .card { background: #333; padding: 20px; border-radius: 8px; width: 45%; box-shadow: 2px 2px 10px rgba(0,0,0,0.1); }
    .btn { padding: 12px 24px; margin: 10px; cursor: pointer; border: none; border-radius: 5px; font-weight: bold; }
    .btn-primary { background: #00A86B; color: white; }
    .btn-secondary { background: white; color: #007BFF; border: 1px solid #007BFF; }
    .btn-orange { background: #FF7A00; color: white; }
    .btn-blue { background: #007BFF; color: white; }
    .btn-large { font-size: 1.2rem; }
    .footer { background: #222; color: white; padding: 10px; margin-top: 20px; }