body {
    font-family: Arial, sans-serif;
    text-align: center;
    margin: 0;
    padding: 0;
    background-color: #111;
    color: #fff;
}
header {
    padding: 50px 20px;
    background: linear-gradient(135deg, #ff9800, #ff5722);
    color: white;
}
header h1 {
    font-size: 2.5rem;
}
.btn {
    display: inline-block;
    padding: 12px 20px;
    margin-top: 10px;
    background-color: #ff5722;
    color: white;
    text-decoration: none;
    font-size: 18px;
    border-radius: 5px;
}
.btn:hover {
    background-color: #e64a19;
}
.features, .videos, .tutorial {
    padding: 40px 20px;
}
.video-container {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}
.video-container iframe {
    border-radius: 10px;
    width: 320px;
    height: 180px;
}
footer {
    background: #222;
    padding: 20px;
    color: #aaa;
}