body {
    font-family: Arial, sans-serif;
    margin: 20px;
    background-color: #fdfdfd;
    color: #333;
}

h1 {
    text-align: center;
    margin-bottom: 10px;
    font-size: 28px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    padding: 0 20px;
}

.grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    transition: transform 0.2s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.grid img:hover {
    transform: scale(1.03);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.modal {
    display: none;
    position: fixed;
    z-index: 999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.9);
}

.modal img {
    display: block;
    max-width: 90%;
    max-height: 90%;
    margin: 5vh auto 0;
    border-radius: 10px;
}

.button-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin: 40px 0;
}

.nav-button {
    background: black;
    color: white;
    padding: 10px 20px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 16px;
    font-weight: bold;
    flex: 1 1 auto;
    max-width: 280px;
    text-align: center;
}