body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f8f9fa;
}

.courses {
    text-align: center;
    padding: 50px 20px;
}

.courses h2 {
    font-size: 32px;
    margin-bottom: 10px;
}

.subtitle {
    color: #666;
    margin-bottom: 40px;
}

.course-container {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.course-card {
    background: #fff;
    width: 260px;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    text-align: left;
}

.course-card img {
    width: 100%;
    border-radius: 6px;
}

.course-card h3 {
    margin: 15px 0 5px;
    font-size: 20px;
}

.desc {
    font-size: 14px;
    color: #555;
    margin-bottom: 10px;
}

.course-card ul {
    padding-left: 18px;
    margin-bottom: 15px;
}

.course-card ul li {
    font-size: 14px;
    margin-bottom: 5px;
}

.btn {
    display: block;
    text-align: center;
    padding: 10px;
    border: 1px solid #007bff;
    color: #007bff;
    text-decoration: none;
    border-radius: 5px;
    font-size: 14px;
}

.btn:hover {
    background: #007bff;
    color: #fff;
}