body {
    margin: 0;
    font-family: Arial, sans-serif;
    color: #333;
    background: #f7f7f7;
}

header {
    background: #111;
    color: #fff;
    text-align: center;
    padding: 2rem 1rem;
}

header h1 {
    margin: 0;
    font-size: 2.5rem;
}

header nav a {
    color: #fff;
    margin: 0 1rem;
    text-decoration: none;
}

main {
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 1rem;
}

section {
    margin-bottom: 2rem;
}

.project {
    background: #fff;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

footer {
    text-align: center;
    padding: 1rem;
    background: #111;
    color: #fff;
}