body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f0fff0;
    color: #333;
}

header {
    text-align: center;
    padding: 30px 10px;
    background-color: #4CAF50;
    color: white;
}

header .logo {
    width: 80px;
    height: auto;
    margin-bottom: 10px;
}

.slogan {
    font-size: 1.2em;
}

.download {
    text-align: center;
    margin: 40px 20px;
}

.btn-download {
    display: inline-block;
    background-color: #4CAF50;
    color: white;
    padding: 15px 25px;
    margin-top: 20px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 1.2em;
    transition: background-color 0.3s;
}

.btn-download:hover {
    background-color: #45a049;
}

.qr-code {
    margin-top: 20px;
}

.qr-code img {
    width: 150px;
    height: auto;
}

.gallery {
    text-align: center;
    margin: 50px 20px;
}

.screenshots {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.screenshots img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.screenshots img:hover {
    transform: scale(1.05);
}

.about {
    padding: 20px;
    background-color: #e8f5e9;
}

footer {
    text-align: center;
    padding: 15px;
    background-color: #4CAF50;
    color: white;
    margin-top: 30px;
}

footer a {
    color: white;
    text-decoration: none;
    margin: 0 10px;
}

footer a:hover {
    text-decoration: underline;
}