* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

body {
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
}

header {
    background-color: #2c3e50;
    color: white;
    text-align: center;
    padding: 4rem 2rem;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
}

section {
    margin-bottom: 3rem;
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

h2 {
    color: #2c3e50;
    margin-bottom: 1rem;
    border-bottom: 2px solid #3498db;
    padding-bottom: 0.5rem;
}

ul {
    list-style: none;
    padding-left: 1rem;
}

li {
    margin-bottom: 0.5rem;
}

a {
    color: #3498db;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

footer {
    text-align: center;
    padding: 2rem;
    background-color: #2c3e50;
    color: white;
    margin-top: 3rem;
}

@media (max-width: 768px) {
    header {
        padding: 2rem 1rem;
    }
    
    main {
        padding: 0 1rem;
    }
    
    section {
        padding: 1.5rem;
    }
}