.gallery-container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.category-header {
    text-align: center;
    margin-bottom: 20px;
}

.category-button {
    background: #007bff;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 123, 255, 0.3);
}

.category-button:hover {
    background: #0056b3;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.4);
}

.custom-gallery-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 10px;
    height: 800px;
    position: relative;
    overflow: hidden;
}

.gallery-item {
    position: relative;
    cursor: pointer;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

/* Spezifisches Layout für die 5 Bilder */
.gallery-item:nth-child(1),
.gallery-item:nth-child(2),
.gallery-item:nth-child(3) {
    /* Obere Reihe - 3 Hochformat-Bilder */
    grid-row: 1;
}

.gallery-item:nth-child(4) {
    /* Unten links - Querformat */
    grid-column: 1 / 3;
    grid-row: 2;
}

.gallery-item:nth-child(5) {
    /* Unten rechts - Hochformat */
    grid-column: 3;
    grid-row: 2;
}

.nav-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-arrow:hover {
    background: rgba(0, 0, 0, 0.9);
    transform: translateY(-50%) scale(1.1);
}

.nav-arrow-left {
    left: -25px;
}

.nav-arrow-right {
    right: -25px;
}

/* Touch-Swipe Indikator */
.swipe-indicator {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 5px 15px;
    border-radius: 15px;
    font-size: 12px;
    opacity: 0.7;
}

/* Responsive Design */

@media (max-width: 991px) {
    .custom-gallery-grid {
        height: 650px;
    }
}

@media (max-width: 768px) {
    .custom-gallery-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        grid-template-rows: 1fr 1fr 1fr;
        gap: 10px;
        height: 650px;
        position: relative;
        overflow: hidden;
    }

    /* Spezifisches Layout für die 5 Bilder */
    .gallery-item:nth-child(1),
    .gallery-item:nth-child(2) {
        /* Obere Reihe - 3 Hochformat-Bilder */
        grid-row: 1;
    }

    .gallery-item:nth-child(3) {
        grid-column: 1;
        grid-row: 3;
    }

    .gallery-item:nth-child(4) {
        /* Unten links - Querformat */
        grid-column: 1 / 3;
        grid-row: 2;
    }

    .gallery-item:nth-child(5) {
        /* Unten rechts - Hochformat */
        grid-column: 2;
        grid-row: 3;
    }

    .custom-gallery-grid {
        gap: 5px;
    }

    .nav-arrow {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }

    .nav-arrow-left {
        left: -20px;
    }

    .nav-arrow-right {
        right: -20px;
    }
}

/* Fade-in Animation für Gruppenwechsel */
.gallery-fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}