:root {
    --bg: #ffffff;
    --text: #111111;
    --accent: #0066cc;
    --max-width: 680px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--bg);
    padding: 2rem 1rem;
    margin: 0;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
}

h1 {
    font-size: 2rem;
    margin-bottom: 0.2rem;
}

.subtitle {
    color: #666;
    font-size: 1.1rem;
    margin-top: 0;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

section {
    margin-top: 2.5rem;
}