body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #111;
    color: white;
}

header {
    background: #000;
    padding: 15px;
    text-align: center;
}

nav a {
    color: #0f0;
    margin: 0 10px;
    text-decoration: none;
}

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

.card {
    background: #1b1b1b;
    padding: 20px;
    margin: 15px 0;
    border-radius: 10px;
}

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 10px;
}

.gallery img {
    width: 100%;
    border-radius: 10px;
}

.btn {
    display: inline-block;
    background: #0f0;
    color: black;
    padding: 10px 15px;
    border-radius: 5px;
    text-decoration: none;
}