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

html {
    font-family: system-ui, -apple-system, sans-serif;
    background: #fafafa;
    color: #222;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

main {
    text-align: center;
    max-width: 480px;
    padding: 2rem;
}

h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

p {
    color: #555;
    margin-bottom: 1.5rem;
}

nav a {
    color: #222;
    text-decoration: underline;
}

footer {
    margin-top: 2rem;
    font-size: 0.875rem;
}

footer a {
    color: #999;
    text-decoration: none;
}