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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: #333;
}

nav {
    background: #2c3e50;
    padding: 1rem 2rem;
    display: flex;
    gap: 2rem;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
}

nav a:hover {
    text-decoration: underline;
}

main {
    max-width: 800px;
    margin: 4rem auto;
    padding: 0 2rem;
}

h1 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

p {
    color: #555;
    font-size: 1.1rem;
}