/* Global styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    line-height: 1.6;
    color: #333;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    background: #f4f4f4;
    padding: 1rem;
    margin-bottom: 2rem;
}

nav {
    display: flex;
    gap: 1rem;
}

nav a {
    text-decoration: none;
    color: #333;
    padding: 0.5rem 1rem;
}

nav a:hover {
    background: #ddd;
}

main {
    padding: 2rem;
}