/* ============================================
   Om Sai Fabrication - Service Image Carousel
   Amazon/Flipkart Style Product Viewer
   ============================================ */

.service-carousel {
    padding: var(--space-lg) 0 0;
}

.service-carousel .container {
    max-width: 1200px;
}

.carousel-wrapper {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}

/* Main/Hero Image */
.carousel-main {
    flex: 1;
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--light-bg);
    border: 1px solid var(--border-color);
    aspect-ratio: 4/3;
    cursor: zoom-in;
    max-height: 500px;
}

.carousel-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: opacity 0.35s ease;
}

.carousel-main img.fade-out {
    opacity: 0;
}

/* Navigation Arrows */
.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 42px;
    height: 42px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 16px;
    color: var(--charcoal);
    z-index: 3;
    transition: var(--transition);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.carousel-arrow:hover {
    background: var(--orange);
    color: var(--white);
    border-color: var(--orange);
    box-shadow: var(--shadow-md);
}

.carousel-arrow.prev {
    left: 12px;
}

.carousel-arrow.next {
    right: 12px;
}

/* Image Counter Badge */
.carousel-counter {
    position: absolute;
    bottom: 12px;
    left: 12px;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 50px;
    z-index: 3;
}

/* Thumbnail Strip - Desktop: vertical on right */
.carousel-thumbs {
    width: 100px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-shrink: 0;
}

.carousel-thumb {
    width: 100px;
    height: 75px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: border-color 0.2s ease, transform 0.2s ease;
    background: var(--light-bg);
}

.carousel-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.carousel-thumb:hover {
    border-color: var(--orange);
    transform: scale(1.05);
}

.carousel-thumb.active {
    border-color: var(--orange);
    box-shadow: 0 0 0 2px rgba(255, 107, 53, 0.3);
}

/* ---- Lightbox ---- */
.carousel-lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.carousel-lightbox.active {
    display: flex;
}

.carousel-lightbox img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: var(--radius-md);
}

.carousel-lightbox-close {
    position: absolute;
    top: 16px;
    right: 20px;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    border: none;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease;
}

.carousel-lightbox-close:hover {
    background: var(--orange);
}

.carousel-lightbox .carousel-arrow {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    border: none;
}

.carousel-lightbox .carousel-arrow:hover {
    background: var(--orange);
}

.carousel-lightbox .carousel-arrow.prev {
    left: 20px;
}

.carousel-lightbox .carousel-arrow.next {
    right: 20px;
}

/* ---- Responsive ---- */

/* Mobile: full width main + horizontal scrollable thumbs */
@media (max-width: 767px) {
    .carousel-wrapper {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .carousel-main {
        aspect-ratio: 4/3;
        width: 100%;
    }

    .carousel-thumbs {
        width: 100%;
        flex-direction: row;
        overflow-x: auto;
        gap: 8px;
        padding-bottom: 4px;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
    }

    .carousel-thumb {
        width: 72px;
        height: 54px;
        flex-shrink: 0;
    }

    .carousel-arrow {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }

    .carousel-arrow.prev {
        left: 8px;
    }

    .carousel-arrow.next {
        right: 8px;
    }
}

/* Tablet */
@media (min-width: 768px) and (max-width: 1023px) {
    .carousel-thumbs {
        width: 90px;
    }

    .carousel-thumb {
        width: 90px;
        height: 68px;
    }
}