/* products/product.css */

/* --- CSS Variables (Product-Specific Additions ONLY) --- */
/* These variables extend or override general ones from style.css */
:root {
    --color-primary-orange: #E87747;
    --color-text-dark: #333333;
    --color-text-light: #555555;
    --color-border: #EAEAEA;
    --color-border-selected: #4CAF50;
    --color-background-light: #FAFAFA;
    --color-button-secondary: #F0F0F0;

    --header-height: 60px;
    --mobile-header-height: 50px;

    /* Define glass properties directly for reuse */
    --liquid-glass-bg: rgba(255, 255, 255, 0.1);
    --liquid-glass-backdrop-filter: blur(10px) saturate(180%);
    --liquid-glass-border: rgba(255, 255, 255, 0.2);
}

body {
    background-color: #FFFFFF;
    overflow-y: auto;
    overflow-x: hidden; /* Keep this to prevent horizontal scroll from layout shifts */
}

.container {
    max-width: 90vw;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    padding: 2rem 0;
}

.viewport-main-content {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    min-height: 0;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-shrink: 0;
    padding-top: var(--header-height);
    padding-left: var(--padding-mobile-x);
    padding-right: var(--padding-mobile-x);
}

.breadcrumbs {
    color: var(--color-text-light);
    font-size: 0.8rem;
    display: flex;
    align-items: center;
}
.breadcrumbs span {
    margin: 0 0.25rem;
    color: var(--color-text-light);
}
.breadcrumbs a {
    color: var(--color-text-light);
    text-decoration: none;
    transition: color 0.2s ease;
}
.breadcrumbs a:hover {
    color: var(--color-text-dark);
}
.breadcrumbs strong {
    color: var(--color-text-dark);
    font-weight: 500;
}

.product-section {
    display: flex;
    align-items: stretch; /* This makes children match height */
    flex-grow: 1;
    min-height: 0;
    padding: 0 var(--padding-mobile-x);
    overflow: visible; /* Keep visible to allow border to show */
    overflow-x: hidden; /* Prevent horizontal overflow */
    gap: var(--product-section-gap); /* Use the variable defined in style.css */
    position: relative; /* REQUIRED: For the ::after pseudo-element to position correctly */
}

/* NEW/MOVED: Border for the gap in the product-section */
/* Apply the pseudo-element to the .product-section instead of .product-info */
@media (min-width: 1201px) {
    .product-section::after {
        content: '';
        position: absolute;
        top: 0; /* Align with the top of the product-section */
        bottom: 0; /* Align with the bottom of the product-section */
        /* height: 100%; is implicit with top/bottom 0 */
        width: 1px; /* The thickness of the border */
        background-color: var(--color-border);
        z-index: 1; /* Ensure it's visible above the background */

        /* Adjusted as per your request */
        left: 64%;
    }
}

/* --- Left Column: Product Gallery --- */
.product-gallery {
    width: 65%;
    flex-shrink: 1;
    display: flex;
    flex-direction: column; /* Essential for vertical distribution */
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 1.5rem;
    position: relative; /* Essential for absolute positioning of gallery-footer */
    background-color: var(--color-white);

    max-height: 80vh; /* Keep for desktop to constrain height */
    overflow: hidden; /* Keep for desktop to hide main image overflow, not footer */
}

.main-image-container {
    width: 100%; /* Takes full width of parent */
    overflow: hidden;
    position: relative;
    cursor: pointer; /* Default cursor for all devices */
    border-radius: 10px;
    touch-action: manipulation;
    flex-shrink: 0;

    flex-grow: 1; /* Allow it to grow to fill available vertical space */
    min-height: 0; /* Essential for flex-grow to work properly */
    height: 100%; /* This makes the image container fill its parent's height */
}

.main-image-container img {
    width: 100%;
    height: 100%; /* This makes the image fill the container */
    object-fit: contain; /* This makes the image fill the container, cropping if aspect ratios don't match */
    border-radius: 10px;
}

/* NEW/UPDATED: Zoom Lens Styling */
#zoomLens {
    display: none; /* Default: hidden for mobile/tablet */
    position: absolute;
    border: 2px solid var(--color-primary-orange);
    border-radius: 8px; /* Slightly rounded rectangle */
    background-repeat: no-repeat;
    opacity: 0; /* Start hidden, fade in with JS */
    transition: opacity 0.2s ease; /* Smooth fade for appearance */
    cursor: none; /* Hide the mouse cursor over the lens */
    pointer-events: none; /* Ensures mouse events pass through to the container */
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.2);
    z-index: 10; /* Ensure it's above the image */
    background-color: #fff; /* A background color to ensure clarity of the magnified image */
    overflow: hidden; /* Important for the background-image to clip properly */
}

/* Show zoom lens on desktop */
@media (min-width: 1201px) {
    .main-image-container {
        cursor: crosshair; /* Indicate zoomable area on desktop */
    }
    #zoomLens {
        display: block; /* Make it visible (but opaque) on desktop */
    }
}


.gallery-footer {
    position: static;
    margin-top: 1rem;
    display: flex; 
    flex-direction: column; 
    align-items: center; 
    gap: 1rem;
    z-index: 11;
    flex-shrink: 0;
    background: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border: none;
    padding: 0;
}

/* Desktop Positioning for gallery-footer: Absolute to sit over main image content */
@media (min-width: 1201px) {
    .gallery-footer {
        position: absolute;
        bottom: 1.5rem; 
        left: 1.5rem;   
        width: auto; 
        max-width: calc(100% - 3rem);
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem; 
    }
}


.thumbnails {
    display: flex;
    flex-direction: column; /* Desktop: Stack thumbnails vertically */
    gap: 0.75rem;
    flex-wrap: nowrap;
    align-items: flex-start;
}
.thumbnails img {
    width: 100px;
    height: 100px;
    object-fit: contain;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    background-color: rgba(255,255,255,0.5);
    padding: 2px;
}
.thumbnails img.active {
    border-color: var(--color-primary-orange);
    box-shadow: 0 0 0 2px var(--color-primary-orange);
}
.thumbnails img:hover { transform: translateY(-3px); box-shadow: 0 4px 10px rgba(0,0,0,0.1); }

/* UPDATED: Live Button Styling */
.live-btn {
    display: flex; 
    flex-direction: column; /* Stack icon and text vertically */
    align-items: center; 
    justify-content: center;
    gap: 0.25rem; 
    width: 100px; /* Match thumbnail width */
    height: 100px; /* Match thumbnail height */
    padding: 0.5rem;
    border: 1px solid var(--color-border); 
    background: #fff; 
    border-radius: 10px; 
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--color-text-dark);
}
.live-btn i {
    font-size: 2rem; /* Larger icon */
}
.live-btn:hover { 
    background-color: var(--color-background-light); 
    transform: translateY(-3px); 
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}


/* --- Right Column: Product Info --- */
.product-info {
    width: 35%;
    display: flex;
    flex-direction: column;
    padding: 1rem; /* Vertical padding only for the container itself */
    background-color: var(--color-white);

    max-height: 80vh; /* Keep for desktop */
    overflow-y: auto; /* Enable vertical scrolling */
    scrollbar-width: thin; /* For Firefox */
    scrollbar-color: var(--color-border) transparent; /* For Firefox */
    gap: 1rem;
}


/* Scrollbar styling for WebKit browsers */
.product-info::-webkit-scrollbar {
    width: 8px;
}
.product-info::-webkit-scrollbar-track {
    background: transparent;
}
.product-info::-webkit-scrollbar-thumb {
    background-color: var(--color-border);
    border-radius: 10px;
    border: 2px solid transparent; /* Keeps the thumb from touching track */
}


/* Ensure children within product-info fit horizontally */
.product-tag,
.product-title,
.product-description,
.variations,
.size-info-box,
.three-d-download-section,
.action-buttons {
    flex-shrink: 0;
    overflow: visible; /* Prevent internal scrollbars on these elements */
    width: 100%; /* Ensure they take full available width of product-info */
    box-sizing: border-box; /* Include padding/border in width calculation */
}

.variations {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--color-border);
}



/* Make product description text more flexible to fit */
.product-description {
    color: var(--color-text-light);
    line-height: 1.6;
    font-size: 0.95rem;
    min-height: 0; /* Essential for flex-grow to work properly */
    margin: 0;
    margin-bottom: 0 !important;
}

/* Action buttons at the bottom of product-info */
.action-buttons {
    display: flex;
    gap: 1rem;
    margin-top: auto; /* This pushes action-buttons to the very bottom within product-info */
    flex-wrap: nowrap; /* Prevent wrapping on desktop */
}

/* Other direct children of product-info */
.variations h2, .size-info-box h2 {
    font-family: var(--font-heading);
    font-weight: 400; font-size: 1.5rem; margin-bottom: 0.75rem;
    margin: 0;
}
.variations h3 { font-weight: 500; color: var(--color-text-light); margin-bottom: 0.75rem; font-size: 1rem; }
.variation-swatches { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.variation-swatches img {
    width: 70px; height: 70px; object-fit: contain; border: 2px solid var(--color-border);
    border-radius: 10px; cursor: pointer; transition: all 0.3s;
}
.variation-swatches img.active { border: 2px solid var(--color-border-selected); box-shadow: 0 0 0 2px var(--color-border-selected); }

.size-info-box {
    border: 1px solid var(--color-border); border-radius: 15px; padding: 1.25rem;
    display: flex; flex-direction: column; gap: 1rem;
}
.size-dimension { display: flex; justify-content: space-between; align-items: center; font-size: 1rem; }
.size-dimension .label { color: var(--color-text-light); }
.size-dimension .value { font-weight: 500; }

.three-d-download-section {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.show-3d-options-btn {
    background-color: var(--color-button-secondary);
    padding: 0.75rem 1.25rem; /* Adjusted padding */
    border-radius: 8px;
    font-family: outfit;
    font-weight: 500;
    transition: background-color 0.2s, box-shadow 0.2s, border-color 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border: 1px solid var(--color-border); /* Changed to full border */
    cursor: pointer;
}
.show-3d-options-btn:hover {
    background-color: var(--color-border);
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    border-color: var(--color-text-dark); /* Darker border on hover */
}

.three-d-file-buttons {
    display: flex;
    gap: 0.75rem;
    flex-wrap: nowrap; /* Prevent wrapping on desktop */
}
.three-d-file-btn { /* Changed from a to button */
    flex-grow: 1;
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    background-color: var(--color-background-light);
    border: 1px solid var(--color-border);
    text-align: center;
    font-weight: 500;
    transition: background-color 0.2s, border-color 0.2s;
    white-space: nowrap;
    color: var(--color-primary);
    cursor: pointer;
    font-family: var(--font-body);
    font-size: inherit;
}
.three-d-file-btn:hover {
    background-color: var(--color-border);
    border-color: var(--color-text-dark);
}
.hidden-3d-buttons {
    display: none;
}

.action-buttons button {
    flex-grow: 1; padding: 1rem; border-radius: 12px;
    font-size: 1rem; font-weight: 500; transition: all 0.3s;
    white-space: nowrap;
    border: none;
    cursor: pointer;
}

.action-buttons span{
    font-family: outfit;
}

.enquiry-list-btn {
    display: flex; align-items: center; justify-content: center; gap: 0.5rem;
    background-color: #c9c9c9; border: 1px solid var(--color-border);
}
.enquiry-list-btn:hover { background-color: var(--color-background-light); box-shadow: 0 2px 8px rgba(0,0,0,0.05); }
.enquiry-btn {
    background-color: var(--color-primary-orange);
    color: #fff;
    font-weight: 800;
    font-family: Playfair Display;
    font-size: 1.1rem;
}
.enquiry-btn:hover { background-color: #d66a3a; transform: translateY(-2px); }

/* --- NEW SECTION: Product Details Section (Moved) --- */
.product-details-section {
    margin-top: 4rem;
    background-color: var(--color-white);
    border-radius: 20px;
    box-shadow: var(--shadow-subtle);
    padding: 2.5rem var(--padding-mobile-x);
}
.product-details-section .section-content {
    text-align: left;
    padding: 0;
}
.product-details-section h2 {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 2rem;
    margin-bottom: 1rem;
    text-align: center;
}
.product-details-section p {
    color: var(--color-text-light);
    line-height: 1.6;
    font-size: 0.95rem;
    margin-bottom: 0;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

/* Added style for the new full-width image within product-details-section */
.product-details-section .full-width-image {
    width: 100%; /* Make the image take full width of its parent */
    height: auto; /* Maintain aspect ratio */
    margin-top: 2rem; /* Space above the image */
    margin-bottom: 2rem; /* Space below the image */
    border-radius: 15px; /* Match the section's border-radius or adjust as desired */
    object-fit: cover; /* Cover the area, potentially cropping */
}


/* --- Bottom Sections (Similar Products) --- */
.similar-products-section {
    margin-top: 4rem;
    flex-shrink: 0;
    padding: 0 var(--padding-mobile-x);
}
.section-title {
    font-family: var(--font-heading);
    font-size: 2rem; margin-bottom: 1.5rem;
    text-align: center;
}
.similar-products-section p { color: var(--color-text-light); line-height: 1.7; max-width: 80%; }

.similar-products-slider-wrapper {
    position: relative;
}

.similar-products-grid { 
    display: grid; 
    grid-template-columns: repeat(4, 1fr); 
    gap: 1.5rem; 
}

.similar-product-card {
    border: 1px solid var(--color-border); border-radius: 20px; padding: 1rem; height: 350px;
    display: flex; justify-content: center; align-items: center;
    background-color: var(--color-white);
    flex-shrink: 0; /* Important for slider items */
    width: 100%; /* Important for slider items */
}
.similar-product-card img { max-height: 90%; width: auto; object-fit: contain; }

/* Hide arrows by default, show on mobile */
.similar-slider-arrow {
    display: none;
}

/* --- Fullscreen Lightbox Styles --- */
.fullscreen-lightbox {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
    background-color: rgba(0, 0, 0, 0.9);
    display: flex; justify-content: center; align-items: center;
    z-index: 1000; opacity: 0; visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    overflow: hidden;
}
.fullscreen-lightbox.active { opacity: 1; visibility: visible; }
.lightbox-content {
    position: relative; display: flex; flex-direction: column;
    width: 90%; height: 90%; max-width: 1400px; max-height: 900px;
    background-color: #fff; border-radius: 15px; padding: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.5); overflow: hidden;
}
.lightbox-close-btn {
    position: absolute; top: 15px; right: 15px;
    background-color: var(--color-background-light); color: var(--color-text-dark);
    border-radius: 50%; width: 40px; height: 40px;
    display: flex; justify-content: center; align-items: center;
    font-size: 1.5rem; font-weight: bold; cursor: pointer;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2); z-index: 1010;
    border: none; transition: background-color 0.2s;
}
.lightbox-close-btn:hover { background-color: var(--color-border); }
.lightbox-main-view {
    flex-grow: 1; display: flex; justify-content: center; align-items: center;
    position: relative; overflow: hidden; margin-bottom: 20px;
    background-color: #f5f5f5; border-radius: 10px;
}
#lightboxMainImage {
    max-width: 100%; max-height: 100%; object-fit: contain;
    cursor: grab; transition: transform 0.1s ease-out; will-change: transform;
}
#lightboxMainImage.dragging { cursor: grabbing; }
.lightbox-zoom-controls {
    position: absolute; bottom: 15px; right: 15px;
    display: flex; gap: 10px; z-index: 5;
}
.lightbox-zoom-controls button {
    background-color: var(--color-background-light); color: var(--color-text-dark);
    border: 1px solid var(--color-border); border-radius: 50%;
    width: 40px; height: 40px; font-size: 1.8rem; font-weight: bold;
    display: flex; justify-content: center; align-items: center;
    cursor: pointer; transition: background-color 0.2s, transform 0.2s;
}
.lightbox-zoom-controls button:hover { background-color: var(--color-border); transform: translateY(-2px); }
.lightbox-zoom-controls button:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.lightbox-thumbnails-wrapper {
    flex-shrink: 0; max-height: 100px; overflow-x: auto;
    padding-bottom: 5px; border-top: 1px solid var(--color-border); padding-top: 15px;
}
.lightbox-thumbnails { display: flex; gap: 10px; justify-content: center; min-width: max-content; }
.lightbox-thumbnails img {
    width: 70px; height: 70px; object-fit: cover;
    border: 2px solid var(--color-border); border-radius: 8px;
    cursor: pointer; transition: all 0.2s ease; flex-shrink: 0;
}
.lightbox-thumbnails img.active { border-color: var(--color-primary-orange); box-shadow: 0 0 0 2px var(--color-primary-orange); }

/* --- AR Popup Styles --- */
.ar-popup-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background-color: rgba(0, 0, 0, 0.6); backdrop-filter: blur(5px);
    display: flex; justify-content: center; align-items: center;
    z-index: 1001; opacity: 0; visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}
.ar-popup-overlay.active { opacity: 1; visibility: visible; }
.ar-popup-content {
    background-color: var(--color-white); padding: 2rem;
    border-radius: 20px; box-shadow: var(--shadow-medium);
    text-align: center; max-width: 90%; width: 350px;
    position: relative; transform: scale(0.9); transition: transform 0.3s ease;
}
.ar-popup-overlay.active .ar-popup-content { transform: scale(1); }
.ar-popup-close-btn {
    position: absolute; top: 10px; right: 10px;
    background: transparent; border: none; font-size: 1.8rem;
    color: var(--color-text-light); cursor: pointer;
}
.ar-popup-content h2 { font-family: var(--font-heading); margin-bottom: 0.5rem; }
.ar-popup-content p { font-size: 0.9rem; color: var(--color-text-light); margin-bottom: 1.5rem; }

/* UPDATED: Styles for the model-viewer and new AR button */
.ar-popup-content model-viewer {
    width: 100%;
    height: 250px;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    margin-bottom: 1.5rem; /* Space between viewer and button */
    --ar-button-display: none; /* Hides the default AR button */
}

.ar-activate-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.85rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    color: var(--color-white);
    background-color: var(--color-primary);
    border: none;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.ar-activate-btn:hover {
    background-color: #333;
    transform: translateY(-2px);
}

.ar-activate-btn i {
    font-size: 1.3rem;
}


/* --- Download Request Popup Styles --- */
.download-popup-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background-color: rgba(0, 0, 0, 0.6); backdrop-filter: blur(5px);
    display: flex; justify-content: center; align-items: center;
    z-index: 1002; opacity: 0; visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}
.download-popup-overlay.active { opacity: 1; visibility: visible; }
.download-popup-content {
    background-color: var(--color-white); padding: 2rem; border-radius: 20px;
    box-shadow: var(--shadow-medium); max-width: 90%; width: 450px;
    position: relative; transform: scale(0.9); transition: transform 0.3s ease;
}
.download-popup-overlay.active .download-popup-content { transform: scale(1); }
.download-popup-close-btn {
    position: absolute; top: 10px; right: 10px; background: transparent;
    border: none; font-size: 1.8rem; color: var(--color-text-light); cursor: pointer;
}
.download-popup-content h2 { font-family: var(--font-heading); margin-bottom: 0.5rem; text-align: center; }
.download-popup-content p { font-size: 0.9rem; color: var(--color-text-light); margin-bottom: 1.5rem; text-align: center; }
#download-form { display: flex; flex-direction: column; gap: 1rem; }
.form-group { display: flex; flex-direction: column; }
.form-group label { margin-bottom: 5px; font-weight: 500; font-size: 0.9rem; }
.form-group input {
    padding: 12px 15px; border: 1px solid #ddd; border-radius: 8px;
    font-family: var(--font-body); font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.form-group input:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(26, 26, 26, 0.1); }
.form-group input.has-error { border-color: #e74c3c; }
.error-message { color: #e74c3c; font-size: 0.8rem; margin-top: 5px; min-height: 1.2em; }
.popup-submit-btn {
    padding: 1rem; border: none; border-radius: 12px;
    background-color: var(--color-primary-orange); color: white;
    font-size: 1.1rem; font-weight: 600; cursor: pointer;
    transition: background-color 0.2s, transform 0.2s; margin-top: 1rem;
    display: flex; align-items: center; justify-content: center;
}
.popup-submit-btn:hover { background-color: #d66a3a; transform: translateY(-2px); }
.popup-submit-btn .btn-spinner { font-size: 0; animation: spin 1s linear infinite; }
.popup-submit-btn.is-loading .btn-text { display: none; }
.popup-submit-btn.is-loading .btn-spinner { font-size: 1.5em; }
.popup-submit-btn:disabled { background-color: #ccc; cursor: not-allowed; transform: none; }

/* ==========================================================
   RESPONSIVE DESIGN BREAKPOINTS
   ========================================================== */

/* --- Global adjustments for smaller laptops/large tablets (e.g., iPad Pro, common 1280px/1024px widths) --- */
@media (max-width: 1200px) {
    .container { padding: 1.5rem 0; }
    .viewport-main-content { flex-grow: 0; }
    .product-section {
        flex-direction: column; align-items: flex-start; flex-grow: 0;
        min-height: auto; max-height: none; overflow: visible;
        padding: 0 var(--padding-mobile-x);
    }
    .product-section::after { content: none; } /* Removed SASS nesting */
    .product-gallery, .product-info {
        width: 100%; max-width: 100%; height: auto;
        flex-grow: 0; min-height: auto; overflow: visible; max-height: none;
    }
    .product-info {
        padding: 1rem 0; margin-top: 0; gap: 1.5rem; overflow-y: visible;
    }
    .product-info > * { padding-left: var(--padding-mobile-x); padding-right: var(--padding-mobile-x); box-sizing: border-box; }
    .product-info .product-description { padding-left: var(--padding-mobile-x); padding-right: var(--padding-mobile-x); }
    .product-info .size-info-box { padding-left: 1.25rem; padding-right: 1.25rem; }
    .three-d-download-section, .action-buttons { padding-left: var(--padding-mobile-x); padding-right: var(--padding-mobile-x); }
    .three-d-download-section .show-3d-options-btn, .three-d-file-buttons button, .action-buttons button { width: auto; flex-shrink: 0; }
    .three-d-file-buttons, .action-buttons { flex-wrap: wrap; justify-content: center; }
    .similar-products-grid { grid-template-columns: repeat(2, 1fr); }
    .product-details-section { margin-top: 2rem; padding: 1.5rem var(--padding-mobile-x); }
    .gallery-footer {
        flex-direction: row; justify-content: flex-start; align-items: center;
        width: 100%; padding: 0; background: none;
        backdrop-filter: none; -webkit-backdrop-filter: none; border: none;
    }
    .thumbnails { flex-direction: row; flex-wrap: wrap; justify-content: flex-start; align-items: center; }
    .thumbnails img { width: 100px; height: 100px; border-radius: 8px; }
    
    /* FIXED: Show the live button in the corner for tablet and mobile */
    .live-btn {
        display: flex;
        flex-direction: row;
        position: absolute;
        top: 10px;
        right: 10px;
        bottom: auto;
        left: auto;
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
        width: auto;
        height: auto;
        border-radius: 50px;
        z-index: 5;
    }
    .live-btn i {
        font-size: 1.2rem;
    }
}

/* --- Mobile Phones (up to 768px) --- */
@media (max-width: 768px) {
    .header-nav { padding-top: var(--mobile-header-height); padding-left: var(--padding-mobile-x-calculated); padding-right: var(--padding-mobile-x-calculated); }
    .product-section { padding: 0 var(--padding-mobile-x-calculated); }
    .product-title { font-size: 2.2rem; }
    .product-description { font-size: 0.85rem; }
    .product-gallery { height: auto; padding: 0.5rem; max-height: none; overflow: visible; }
    .product-info { height: auto; padding: 1rem 0; max-height: none; overflow: visible; gap: 1rem; }
    .product-info > * { padding-left: var(--padding-mobile-x-calculated); padding-right: var(--padding-mobile-x-calculated); box-sizing: border-box; }
    .product-info .product-description { padding-left: var(--padding-mobile-x-calculated); padding-right: var(--padding-mobile-x-calculated); }
    .product-info .size-info-box { padding-left: 1.25rem; padding-right: 1.25rem; }
    .three-d-download-section, .action-buttons { padding-left: var(--padding-mobile-x-calculated); padding-right: var(--padding-mobile-x-calculated); }
    .three-d-download-section .show-3d-options-btn, .three-d-file-buttons button, .action-buttons button { padding: 0.75rem 1rem; font-size: 0.9rem; border-radius: 10px; flex-basis: 48%; flex-grow: 1; }
    .three-d-file-buttons, .action-buttons { gap: 0.75rem; flex-wrap: wrap; justify-content: center; }
    .gallery-footer {
        position: static; margin-top: 1rem; padding: 0; box-shadow: none;
        flex-direction: row; align-items: center; gap: 1rem;
        background-color: transparent; backdrop-filter: none;
        -webkit-backdrop-filter: none; border: none;
        width: 100%; justify-content: center;
    }
    .thumbnails { flex-direction: row; flex-wrap: wrap; justify-content: center; align-items: center; width: 100%; gap: 0.5rem; }
    .thumbnails img { width: 40px; height: 40px; border-radius: 8px; }
    /* The live-btn styles are now inherited from the max-width: 1200px query */
    .product-info h2 { font-size: 1.3rem; }
    .product-info p { font-size: 0.9rem; }
    .variation-swatches img { width: 60px; height: 60px; border-radius: 8px; }
    .size-info-box { padding: 1rem; border-radius: 12px; }
    .size-dimension { font-size: 0.9rem; }
    .enquiry-btn { font-size: 1rem; }
    .similar-products-section { margin-top: 3rem; padding: 0 var(--padding-mobile-x-calculated); }
    .similar-products-slider-wrapper { overflow: hidden; }
    .similar-products-grid { display: flex; grid-template-columns: none; gap: 0; transition: transform 0.4s ease-in-out; }
    .similar-product-card { height: 250px; padding: 0.75rem; border-radius: 15px; }
    .similar-slider-arrow {
        display: flex; position: absolute; top: 50%; transform: translateY(-50%);
        background-color: rgba(255, 255, 255, 0.8); border: 1px solid var(--color-border);
        border-radius: 50%; width: 40px; height: 40px;
        align-items: center; justify-content: center; cursor: pointer;
        z-index: 5; font-size: 1.5rem; color: var(--color-text-dark);
        box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    }
    .similar-slider-arrow.prev { left: 10px; }
    .similar-slider-arrow.next { right: 10px; }
    .similar-slider-arrow:disabled { opacity: 0.3; cursor: not-allowed; transform: none; }
    .product-details-section { margin-top: 1.5rem; padding: 1.5rem var(--padding-mobile-x-calculated); }
    .product-details-section h2 { font-size: 1.5rem; }
    .product-details-section p { text-align: left; } 
}