/* ============================================================
   SECTION 5: PRODUCT GALLERY (NGANG STAGGERED)
   ============================================================ */

.uten-pgallery-section {
    position: relative;
    padding: 80px 0;
    background-color: #fffafb; /* Nền phớt nhẹ, thay bằng màu hãng nếu cần */
    overflow: hidden;
}

/* Nền lượn sóng ảo diệu (CSS pattern mờ) */
.uten-pgallery-bg {
    position: absolute;
    inset: 0;
    opacity: 0.4;
    background-image: repeating-linear-gradient(
        -45deg,
        transparent,
        transparent 40px,
        rgba(40, 123, 56, 0.03) 40px,
        rgba(40, 123, 56, 0.03) 42px
    );
    z-index: 0;
    pointer-events: none;
}

.uten-pgallery-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 50px;
    position: relative;
    z-index: 1;
}

.uten-pgallery-title {
    font-size: 42px;
    font-weight: 800;
    color: var(--uten-primary, #287b38);
    margin: 0 0 8px;
    line-height: 1.2;
}

.uten-pgallery-subtitle {
    font-size: 16px;
    color: #666;
    margin: 0;
    font-style: italic;
}

/* Nút Follow us */
.uten-pgallery-btn {
    display: inline-block;
    padding: 10px 24px;
    margin: 0;
    border: 1.5px solid var(--uten-secondary, #f28200);
    border-radius: 50px;
    color: var(--uten-secondary, #f28200);
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    text-decoration: none;
    transition: all 0.3s ease;
    background: transparent;
    line-height: 1.4;
}

.uten-pgallery-btn:hover {
    background: var(--uten-secondary, #f28200);
    color: #fff;
    box-shadow: 0 8px 20px rgba(242,130,0,0.25);
    transform: translateY(-2px);
}

/* Cụm nút điều hướng cạnh nút Follow us */
.uten-pgallery-action {
    display: flex;
    align-items: center;
    gap: 14px;
}

.uten-pgallery-nav {
    display: flex;
    gap: 10px;
}

.uten-pgallery-nav-btn {
    width: 42px;
    height: 42px;
    margin: 0;
    border-radius: 50%;
    border: 1.5px solid #d4e8d4;
    background: #fff;
    color: var(--uten-primary, #287b38);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 0;
    box-shadow: 0 6px 18px rgba(40, 123, 56, 0.08);
    transition: background 0.25s ease, color 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.uten-pgallery-nav-btn:hover {
    background: var(--uten-primary, #287b38);
    border-color: var(--uten-primary, #287b38);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(40, 123, 56, 0.25);
}

.uten-pgallery-nav-btn:active {
    transform: translateY(0);
}

.uten-pgallery-nav-btn:disabled {
    opacity: 0.4;
    cursor: default;
    background: #fff;
    color: #999;
    border-color: #e5e5e5;
    box-shadow: none;
    transform: none;
}

/* ── KHU VỰC TRƯỢT NGANG ── */
.uten-pgallery-track-wrap {
    position: relative;
    z-index: 1;
    width: 100%;
}

.uten-pgallery-track {
    display: flex;
    align-items: center; /* Căn giữa theo trục dọc để tạo hiệu ứng nhấp nhô */
    gap: 20px;
    padding: 40px 24px 60px; /* Padding dư ra để bóng đổ và thẻ nhô lên/xuống không bị cắt */
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    
    /* Tùy chỉnh thanh cuộn ngang */
    scrollbar-width: thin;
    scrollbar-color: var(--uten-primary, #287b38) #f0f0f0;
}

/* Tùy chỉnh thanh cuộn cho Chrome/Safari */
.uten-pgallery-track::-webkit-scrollbar {
    height: 8px;
}
.uten-pgallery-track::-webkit-scrollbar-track {
    background: #f0f0f0;
    border-radius: 10px;
    margin: 0 24px; /* Thu hẹp 2 đầu thanh cuộn */
}
.uten-pgallery-track::-webkit-scrollbar-thumb {
    background-color: var(--uten-primary, #287b38);
    border-radius: 10px;
}

.uten-pgallery-item {
    flex: 0 0 280px; 
    height: 380px;   
    border-radius: 20px;
    overflow: hidden;
    scroll-snap-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.4s ease;
    background: #fff;
    border: 1.5px solid #f0f0f0;
    opacity: 0;
}
.uten-pgallery-item.is-visible {
    animation: fadeInUpSmooth 2s ease-out forwards;
}

.uten-pgallery-item:nth-child(1) { animation-delay: 0.1s; }
.uten-pgallery-item:nth-child(2) { animation-delay: 0.3s; }
.uten-pgallery-item:nth-child(3) { animation-delay: 0.5s; }
.uten-pgallery-item:nth-child(4) { animation-delay: 0.7s; }
.uten-pgallery-item:nth-child(5) { animation-delay: 0.9s; }
.uten-pgallery-item:nth-child(6) { animation-delay: 1.1s; }
.uten-pgallery-item:nth-child(7) { animation-delay: 1.3s; }

.uten-pgallery-item a {
    display: block;
    width: 100%;
    height: 100%;
}

.uten-pgallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
}

.uten-pgallery-item:hover {
    transform: scale(1.03) !important;
    box-shadow: 0 20px 40px rgba(40,123,56,0.15);
    z-index: 10;
}

.uten-pgallery-item:hover img {
    transform: scale(1.08);
}

/* Các biến thể lệch vị trí dọc (nhấp nhô) */
.offset-up { transform: translateY(-25px); }
.offset-down { transform: translateY(25px); }


/* ── RESPONSIVE ── */
@media (max-width: 992px) {
    .uten-pgallery-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
        padding: 0 16px;
    }
}

@media (max-width: 540px) {
    .uten-pgallery-title {
        font-size: 32px;
    }
    .uten-pgallery-item {
        flex: 0 0 240px;
        height: 320px;
    }
    /* Ẩn nút mũi tên trên mobile nhỏ - dùng vuốt tay */
    .uten-pgallery-nav {
        display: none;
    }
}

@keyframes fadeInUpSmooth {
    from { opacity: 0; transform: translateY(60px); }
    to { opacity: 1; transform: translateY(0); }
}