body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #020617;
    color: white;
}

/* Header */
header {
    text-align: center;
    padding: 30px;
    background: #0f172a;
}

/* Hero */
.hero {
    text-align: center;
    padding: 80px 20px;
}

.hero h2 {
    font-size: 40px;
}

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

.btn.big {
    font-size: 20px;
}

/* Features */
.features {
    padding: 50px;
    text-align: center;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.grid div {
    background: #0f172a;
    padding: 25px;
    border-radius: 12px;
}

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

.screenshots img {
    width: 250px;
    margin: 10px;
    border-radius: 12px;
}

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

/* CTA */
.cta {
    text-align: center;
    padding: 60px;
    background: #0f172a;
}

/* Footer */
footer {
    text-align: center;
    padding: 20px;
    background: #020617;
}