.product-detail {
    padding: 120px 0 50px;
    background-color: #f9f7f7;
}

.product-detail-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    background-color: #fff;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.product-gallery {
    position: relative;
}

.main-image {
    width: 100%;
    height: 400px;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 1rem;
}

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

.main-image img:hover {
    transform: scale(1.05);
}

.thumbnail-gallery {
    display: flex;
    gap: 1rem;
}

.thumbnail {
    width: 80px;
    height: 80px;
    border-radius: 5px;
    cursor: pointer;
    opacity: 0.7;
    transition: all 0.3s ease;
}

.thumbnail:hover {
    opacity: 1;
    transform: translateY(-2px);
}

.thumbnail.active {
    opacity: 1;
    border: 2px solid #3498db;
}

.product-info h1 {
    color: #274082;
    margin-bottom: 1rem;
    font-size: 2.5rem;
}

.product-meta {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    color: #414042;
}

.product-description {
    margin-bottom: 2rem;
}

.product-description h2,
.product-specifications h2 {
    color: #274082;
    margin-bottom: 1rem;
}

.product-features {
    list-style: none;
    margin-top: 1rem;
}

.product-features li {
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.product-features i {
    color: #274082;
}

.product-specifications table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.product-specifications td {
    padding: 0.8rem;
    border-bottom: 1px solid #eee;
}

.product-specifications td:first-child {
    font-weight: 500;
    color: #274082;
}

.product-cta {
    margin-top: 2rem;
    text-align: center;
}

/* Animácie */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.product-detail-content {
    animation: fadeIn 0.8s ease-out;
}

/* Responzívny dizajn */
@media (max-width: 992px) {
    .product-detail-content {
        grid-template-columns: 1fr;
    }
    
    .main-image {
        height: 300px;
    }
}

@media (max-width: 768px) {
    .product-meta {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .thumbnail {
        width: 60px;
        height: 60px;
    }
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(39, 64, 130, 0.95);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    cursor: pointer;
}

.lightbox.active {
    display: flex;
    animation: fadeIn 0.3s ease-out;
}

.lightbox img {
    max-width: 90%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 5px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.lightbox.active img {
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    color: #f9f7f7;
    font-size: 2rem;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.lightbox-close:hover {
    transform: rotate(90deg);
}

/* Animácia pre lightbox */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Navigácia v lightboxe */
.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(249, 247, 247, 0.1);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    color: #f9f7f7;
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.lightbox-nav:hover {
    background: rgba(249, 247, 247, 0.2);
    transform: translateY(-50%) scale(1.1);
}

.lightbox-prev {
    left: 20px;
}

.lightbox-next {
    right: 20px;
}

/* Responzívny dizajn pre navigáciu */
@media (max-width: 768px) {
    .lightbox-nav {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .lightbox-prev {
        left: 10px;
    }

    .lightbox-next {
        right: 10px;
    }
}