/* Basic Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Layout */
body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background-color: #f5f6f8;
    color: #222;
    line-height: 1.5;
}

header {
    background: #1f2937;
    color: #fff;
    padding: 1rem 2rem;
}

header h2 {
    font-size: 1rem;
    font-weight: 400;
    margin-top: 0.25rem;
}

nav {
    background: #374151;
    padding: 0.5rem 2rem;
}

nav a {
    color: #fff;
    text-decoration: none;
    margin-right: 1rem;
    font-weight: 500;
}

nav a:hover {
    text-decoration: underline;
}

main {
    padding: 2rem;
}

footer {
    margin-top: 2rem;
    padding: 1rem 2rem;
    background: #e5e7eb;
    font-size: 0.9rem;
    color: #555;
}