body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background-color: #000;
    color: #fff;
}
header {
    background-color: #111;
    padding: 20px;
    border-bottom: 1px solid #444;
}
header h1 {
    color: #fff;
}
header h1 span {
    color: red;
}
nav ul {
    list-style: none;
    padding: 0;
}
nav ul li {
    display: inline-block;
    margin: 0 10px;
}
nav ul li a {
    color: #fff;
    text-decoration: none;
}
nav ul li a.active, nav ul li a:hover {
    color: red;
}
.hero {
    padding: 100px 20px;
    text-align: center;
}
.hero h2 {
    font-size: 2.5rem;
}
.hero .btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: red;
    color: #fff;
    text-decoration: none;
    margin-top: 20px;
    border-radius: 4px;
}
footer {
    text-align: center;
    padding: 20px;
    background-color: #111;
    font-size: 0.9rem;
    color: #666;
}