* {
    box-sizing: border-box;
}

body {
    font-family: system-ui, -apple-system, sans-serif;
    line-height: 1.5;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    color: #333;
}

h1 {
    color: #111;
    margin-bottom: 0.5em;
}

p {
    margin: 1em 0;
}