body {
    margin: 0;
    font-family: Arial;
    background: #0f172a;
    color: white;
}

header {
    text-align: center;
    padding: 30px;
    background: #1e293b;
}

.hero {
    text-align: center;
    padding: 60px 20px;
}

.btn {
    display: inline-block;
    padding: 15px 30px;
    background: #22c55e;
    color: white;
    text-decoration: none;
    border-radius: 10px;
    margin-top: 20px;
}

.features {
    padding: 40px;
    text-align: center;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.grid div {
    background: #1e293b;
    padding: 20px;
    border-radius: 10px;
}

.screenshots {
    text-align: center;
    padding: 40px;
}

.screenshots img {
    width: 250px;
    margin: 10px;
    border-radius: 10px;
}

.about {
    padding: 40px;
    text-align: center;
}

footer {
    text-align: center;
    padding: 20px;
    background: #1e293b;
}