/* Reset default styles and set a better box model */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    color: #333;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #f5f5f5;
}

/* Header styles */
h1 {
    color: #2c3e50;
    font-size: 2.5em;
    margin-bottom: 1em;
    padding-bottom: 0.5em;
    border-bottom: 3px solid #3498db;
}

h2 {
    color: #34495e;
    font-size: 1.8em;
    margin: 1.5em 0 0.8em 0;
}

/* Paragraph styles */
p {
    margin-bottom: 1.2em;
    text-align: justify;
}

/* List styles */
ul {
    margin: 1em 0 1.5em 2em;
}

ul#course-summary li {
    margin-bottom: 0.8em;
    list-style-type: none;
    position: relative;
}

ul#course-summary li::before {
    content: "→";
    position: absolute;
    left: -1.5em;
    color: #3498db;
}

/* Bold text */
bold {
    font-weight: 600;
    color: #2c3e50;
}

/* Link styles */
a {
    color: #3498db;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #2980b9;
    text-decoration: underline;
}

/* Responsive design */
@media (max-width: 600px) {
    body {
        padding: 15px;
    }

    h1 {
        font-size: 2em;
    }

    h2 {
        font-size: 1.5em;
    }
}