:root {
    --ink: #1a1a1a;
    --paper: #fdfdfb;
    --rule: #d8d5cc;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0 auto;
    padding: 2rem 1.25rem;
    max-width: 44rem;
    background: var(--paper);
    color: var(--ink);
    font: 16px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif;
}

header {
    border-bottom: 1px solid var(--rule);
    padding-bottom: 1rem;
    margin-bottom: 2rem;
}

h1 {
    margin: 0;
    font-size: 1.75rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

footer {
    border-top: 1px solid var(--rule);
    margin-top: 3rem;
    padding-top: 1rem;
    color: #6b6b6b;
    font-size: 0.875rem;
}