.gallery-container {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-radius: 1em;
}

.gallery-image {
    width: 100%;
    height: auto;
    display: block;
    transition: opacity 0.5s ease;
}

.gallery-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.4);
    border: none;
    color: white;
    padding: 0.5em 0.8em;
    cursor: pointer;
    font-size: 1.5em;
    z-index: 2;
    border-radius: 50%;
    transition: background 0.3s;
}

.gallery-btn:hover {
    background: rgba(0, 0, 0, 0.7);
}

.gallery-btn.prev {
    left: 0.5em;
}

.gallery-btn.next {
    right: 0.5em;
}