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

body {
    font-family: system-ui, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background: #ffffff;
}

nav {
    display: flex;
    gap: 2rem;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid #eee;
}

nav a {
    text-decoration: none;
    color: #1a1a1a;
    font-weight: 500;
}

nav a:hover {
    color: #555;
}

main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

footer {
    text-align: center;
    padding: 2rem;
    border-top: 1px solid #eee;
    color: #888;
    font-size: 0.9rem;
}