body {
    margin: 0;
    padding: 0;
    background-color: #0d0d0d;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: #f2f2f2;
}

.navbar {
    width: 100%;
    background-color: #111;
    padding: 12px 0;
    display: flex;
    justify-content: center;
    border-bottom: 1px solid #222;
    position: sticky;
    top: 0;
}

.navbar ul {
    list-style: none;
    display: flex;
    gap: 40px;
    margin: 0;
    padding: 0;
}

.navbar li {
    display: inline-block;
}

.navbar a {
    text-decoration: none;
    color: #e0e0e0;
    font-size: 16px;
    font-weight: 400;
    padding: 6px 10px;
    border-radius: 6px;
    transition: 0.2s ease;
}

.navbar a:hover {
    background-color: #333;
    color: white;
}

.navbar .active {
    background-color: #444;
    color: #fff;
}

.container {
    margin: 40px auto;
    max-width: 900px;
    padding: 20px;
}

h1, h2 {
    color: #fff;
}

p, li {
    color: #d9d9d9;
    line-height: 1.6;