body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #1a1a1a;
    color: white;
}

header {
    text-align: center;
    padding: 40px 20px 20px;
}

header img {
    max-width: 300px;
    margin-bottom: 10px;
}

.opr {
    margin-top: 8px;
}

h1 {
    margin: 0;
    font-weight: normal;
}

.container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    padding: 30px;

    max-width: 1200px;   /* controls overall width */
    margin: 0 auto;      /* centers the whole grid */
}

.card {
    text-align: center;
    padding: 15px;
    background-color: #222;
    border: 1px solid #555;
    padding: 15px;
    display: flex;
    flex-direction: column;
        transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.4);
}

.card img {
    width: 100%;
    height: auto;
    margin-bottom: 15px;
    max-height: 180px;
    object-fit: contain;
}

.card a {
    display: block;
    text-decoration: none;
    color: #bbb;
    margin-bottom: 8px;
    transition: color 0.2s ease;
}

.card a:hover {
    color: #ffffff;
}

.links {
    margin-top: auto;
}

/* Mobile */
@media (max-width: 768px) {
    .container {
        grid-template-columns: 1fr;
    }
}