body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #0d0d0d;
    color: white;
}

header {
    display: flex;
    justify-content: space-between;
    padding: 20px;
    background: #111;
    position: sticky;
    top: 0;
}

.logo {
    font-size: 22px;
    font-weight: bold;
}

nav a {
    margin-left: 20px;
    color: #ccc;
    text-decoration: none;
}

nav a:hover {
    color: white;
}

.hero {
    padding: 120px 20px;
    text-align: center;
    background: linear-gradient(135deg, #1a1a1a, #222);
}

.hero h1 {
    font-size: 42px;
    margin-bottom: 10px;
}

.cta {
    display: inline-block;
    margin-top: 20px;
    padding: 12px 25px;
    background: #ff4d4d;
    color: white;
    text-decoration: none;
    border-radius: 5px;
}

.section {
    padding: 80px 20px;
    max-width: 900px;
    margin: auto;
}

.example-box {
    background: #1a1a1a;
    padding: 20px;
    margin: 20px 0;
    border-left: 4px solid #ff4d4d;
}

footer {
    text-align: center;
    padding: 20px;
    background: #111;
    margin-top: 40px;
}