* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: system-ui, sans-serif;
    background: #f5f5f5;
    color: #222;
}

main {
    max-width: 680px;
    padding: 48px;
}

h1 {
    margin-bottom: 16px;
    font-size: 32px;
}

p {
    color: #666;
}