body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #0e0e0e;
    color: #e5e5e5;
}

header {
    background: #111;
    border-bottom: 2px solid #444;
    padding: 20px;
}

.logo {
    font-size: 48px;
    font-weight: bold;
    color: #f04;
}

nav a {
    color: #ccc;
    margin-right: 20px;
    text-decoration: none;
    font-weight: bold;
}

nav a:hover {
    color: #fff;
}

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

h1, h2 {
    color: #fff;
}

.card {
    background: #1a1a1a;
    padding: 20px;
    margin-bottom: 20px;
    border-left: 4px solid #f04;
}

footer {
    text-align: center;
    padding: 20px;
    border-top: 1px solid #333;
    font-size: 14px;
    color: #888;
}