/* ===================================
   Photo Gallery Section
   =================================== */

/* Gallery Section */
.photo-gallery-section {
    width: 100%;
    padding: 80px 0;
    background-color: var(--dark);
    overflow: hidden;
}

.gallery-container {
    max-width: 100%;
    margin: 0 auto;
}

.gallery-heading {
    text-align: center;
    margin-bottom: 4rem;
}

/* ===================================
   Infinite Slider
   =================================== */

.slider-wrapper {
    width: 100%;
    overflow: hidden;
    position: relative;
    cursor: grab;
    user-select: none;
}

.slider-wrapper:active {
    cursor: grabbing;
}

.slider-track {
    display: flex;
    gap: 30px;
    will-change: transform;
    /* Animation removed - now handled by JavaScript for smooth drag & resume */
}

/* Gallery Item */
.gallery-item {
    flex-shrink: 0;
    width: 348px;
    height: 259px;
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: filter 0.4s ease;
}

/* Grayscale on hover */
.gallery-item:hover img {
    filter: grayscale(100%);
}

/* ===================================
   Overlay with + Button
   =================================== */

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
    pointer-events: all;
}

.gallery-zoom-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.gallery-zoom-btn:hover {
    transform: scale(1.1);
    background-color: rgba(255, 255, 255, 0.7);
}

.plus-icon {
    font-size: 40px;
    font-weight: 300;
    color: #000000;
    line-height: 1;
}

/* ===================================
   Lightbox Modal
   =================================== */

.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox.active {
    display: flex;
    opacity: 1;
}

.lightbox-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 1;
}

.lightbox-content {
    position: relative;
    z-index: 2;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-image-container {
    max-width: 100%;
    max-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

#lightbox-image {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.5);
}

/* ===================================
   Lightbox Close Button (Animated X)
   =================================== */

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background-color: #ffffff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 3;
}

.lightbox-close:hover {
    background-color: #f0f0f0;
    transform: rotate(90deg);
}

.close-icon {
    font-size: 36px;
    font-weight: 300;
    color: var(--txt-p);
    line-height: 1;
    transition: transform 0.3s ease;
}


/* ===================================
   Lightbox Navigation Arrows
   =================================== */

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background-color: #ffffff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease;
}

.lightbox-nav:hover {
    background-color: #f0f0f0;
}

.lightbox-prev {
    left: 40px;
}

.lightbox-next {
    right: 40px;
}

.nav-arrow {
    width: 24px;
    height: 24px;
    color: #2d2d2d;
}



/* ===================================
   Responsive Design
   =================================== */

@media (max-width: 768px) {
    .gallery-heading {
        font-size: 32px;
        margin-bottom: 40px;
    }

    .gallery-item {
        width: 280px;
        height: 210px;
    }

    .slider-track {
        gap: 20px;
    }

    .gallery-zoom-btn {
        width: 50px;
        height: 50px;
    }

    .plus-icon {
        font-size: 32px;
    }

    .lightbox-nav {
        width: 50px;
        height: 50px;
    }

    .lightbox-prev {
        left: 20px;
    }

    .lightbox-next {
        right: 20px;
    }

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

    .lightbox-close {
        width: 45px;
        height: 45px;
        top: 15px;
        right: 15px;
    }

    .close-icon {
        font-size: 30px;
    }
}

@media (max-width: 480px) {
    .photo-gallery-section {
        padding: 60px 0;
    }

    .gallery-heading {
        font-size: 28px;
        margin-bottom: 30px;
        padding: 0 20px;
    }

    .gallery-item {
        width: 240px;
        height: 180px;
    }

    .slider-track {
        gap: 15px;
    }
}

/* ===================================
   Utility Classes
   =================================== */

.no-scroll {
    overflow: hidden;
}