/*
 * ProductStyle.css
 * ================
 * Centralized stylesheet for BNB Enterprises
 * South Indian Granite — Product Detail Pages
 *
 * Sections
 * --------
 *  1. CSS Custom Properties (Design Tokens)
 *  2. Global Reset & Base
 *  3. Page Loader
 *  4. Site Wrapper & Transitions
 *  5. WhatsApp Floating Button
 *  6. Layout & Container
 *  7. Breadcrumb Navigation
 *  8. Back Button
 *  9. Product Layout (Gallery + Info)
 * 10. Product Gallery & Thumbnails
 * 11. Main Image — Magnifier Overlay
 * 12. Product Info Panel
 * 13. Specifications Table
 * 14. Product Description
 * 15. Action Buttons (Call / WhatsApp)
 * 16. Why Choose Section
 * 17. Benefits & Contact Blocks
 * 18. FAQ Section
 * 19. Best Sellers Section
 * 20. Lightbox Overlay
 * 21. Scroll Animations
 * 22. Responsive Design
 */

/* =====================================================
   1. CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ===================================================== */
:root {
  --primary-blue: #2673B8;
  --background-base: #eeeeee;
  --surface-light: #F0F3F7;
  --accent-white: #F7F9FC;
  --text-primary: #1A2332;
  --text-body: #5A6B7F;
  --text-muted: #7A8A9E;
  --border-color: #D4DCE6;
  --border-light: #E3E9F0;
  --whatsapp-green: #25D366;

  /* Spacing scale */
  --spacing-xs: 0.4rem;
  --spacing-sm: 0.8rem;
  --spacing-md: 1.2rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;

  /* Transitions */
  --transition-fast: 0.3s ease;
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-gallery: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  /* Shadows */
  --shadow-card: 0 20px 50px rgba(26, 35, 50, 0.15);
  --shadow-btn: 0 6px 16px rgba(26, 35, 50, 0.12);
  --shadow-whatsapp: 0 3px 15px rgba(37, 211, 102, 0.25);
  --shadow-whatsapp-hover: 0 6px 24px rgba(37, 211, 102, 0.4);
}

/* =====================================================
   2. GLOBAL RESET & BASE
   ===================================================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Montserrat', sans-serif;
    background: var(--background-base);
    color: var(--text-body);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

section {
    scroll-margin-top: 80px;
}

/* =====================================================
   3. PAGE LOADER
   ===================================================== */
.page-loader {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--surface-light);
    z-index: 9999;
    gap: 12px;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader-logo {
    width: clamp(60px, 10vw, 80px);
    height: clamp(60px, 10vw, 80px);
    object-fit: contain;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1);    opacity: 1;    }
    50%       { transform: scale(1.05); opacity: 0.85; }
}

.loader-text {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(0.875rem, 1.5vw, 1.125rem);
    font-weight: 700;
    letter-spacing: clamp(2px, 0.5vw, 3px);
    color: var(--text-primary);
}

.loader-subtext {
    font-family: 'Raleway', sans-serif;
    font-size: clamp(0.625rem, 1vw, 0.75rem);
    font-weight: 500;
    letter-spacing: clamp(1px, 0.3vw, 2px);
    color: var(--primary-blue);
    text-transform: uppercase;
}

body.loaded .page-loader {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* =====================================================
   4. SITE WRAPPER & TRANSITIONS
   ===================================================== */
.site-wrapper {
    opacity: 0;
    transition: opacity 0.5s ease;
}

body.loaded .site-wrapper {
    opacity: 1;
}

/* =====================================================
   5. WHATSAPP FLOATING BUTTON
   ===================================================== */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 52px;
    height: 52px;
    background: var(--whatsapp-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-whatsapp);
    z-index: 9998;
    cursor: pointer;
    transition: all var(--transition-smooth);
    text-decoration: none;
}

.whatsapp-float:hover {
    transform: scale(1.08) translateY(-2px);
    box-shadow: var(--shadow-whatsapp-hover);
}

.whatsapp-float i {
    color: white;
    font-size: 26px;
}

.whatsapp-float::before {
    content: '';
    position: absolute;
    inset: -6px;
    border: 2px solid var(--whatsapp-green);
    border-radius: 50%;
    opacity: 0;
    animation: whatsapp-pulse 2s infinite;
}

@keyframes whatsapp-pulse {
    0%   { transform: scale(0.9); opacity: 0.8; }
    100% { transform: scale(1.3); opacity: 0;   }
}

/* =====================================================
   6. LAYOUT & CONTAINER
   ===================================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 clamp(1rem, 3vw, 2rem);
}

.product-detail-section {
    background: var(--background-base);
    padding: clamp(5rem, 6vw, 6rem) 0 clamp(2rem, 3vw, 2.5rem);
    min-height: 50vh;
}

/* =====================================================
   7. BREADCRUMB NAVIGATION
   ===================================================== */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-family: 'Raleway', sans-serif;
    font-size: clamp(0.7rem, 0.85vw, 0.75rem);
    font-weight: 500;
    color: var(--text-muted);
    flex-wrap: wrap;
}

.breadcrumb a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: opacity var(--transition-fast);
}

.breadcrumb a:hover {
    opacity: 0.7;
}

.breadcrumb span {
    color: var(--text-body);
    font-weight: 600;
}

/* =====================================================
   8. BACK BUTTON
   ===================================================== */
.back-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    margin-bottom: 1.5rem;
    background: var(--surface-light);
    border: 1px solid var(--border-color);
    color: var(--text-body);
    font-family: 'Montserrat', sans-serif;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    border-radius: var(--radius-sm);
}

.back-button i {
    font-size: 0.7rem;
    transition: transform var(--transition-fast);
}

.back-button:hover {
    background: var(--text-primary);
    color: white;
    border-color: var(--text-primary);
    transform: translateX(-3px);
}

.back-button:hover i {
    transform: translateX(-3px);
}

/* =====================================================
   9. PRODUCT LAYOUT (GALLERY + INFO)
   ===================================================== */
.product-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(2rem, 3vw, 3rem);
    background: white;
    padding: clamp(1.5rem, 2.5vw, 2rem);
    border-radius: var(--radius-lg);
    animation: fadeInUp 0.7s cubic-bezier(0.4, 0, 0.2, 1) 0.1s forwards;
    opacity: 0;
}

/* =====================================================
   10. PRODUCT GALLERY & THUMBNAILS
   ===================================================== */
.product-gallery {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

/* ---- Main Image Container ---- */
.main-image-container {
    position: relative;
    width: 100%;
    padding-top: 100%;
    background: var(--border-light);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
    cursor: zoom-in;
}

.main-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-gallery);
}

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

/* ---- Thumbnail Gallery ---- */
.thumbnail-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.6rem;
}

.thumbnail {
    position: relative;
    padding-top: 100%;
    background: var(--border-light);
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 2px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.thumbnail.active {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 2px rgba(38, 115, 184, 0.2);
}

.thumbnail:hover {
    border-color: var(--primary-blue);
    transform: translateY(-2px);
}

.thumbnail img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* =====================================================
   11. MAIN IMAGE — MAGNIFIER OVERLAY
   ===================================================== */
.magnifier-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(26, 35, 50, 0);
    transition: background 0.35s ease;
    z-index: 2;
    pointer-events: none;
}

.main-image-container:hover .magnifier-overlay {
    background: rgba(26, 35, 50, 0.18);
}

.magnifier-icon {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.75);
    transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.18);
}

.main-image-container:hover .magnifier-icon {
    opacity: 1;
    transform: scale(1);
}

.magnifier-icon i {
    font-size: 1.2rem;
    color: var(--primary-blue);
}

/* =====================================================
   12. PRODUCT INFO PANEL
   ===================================================== */
.product-info {
    display: flex;
    flex-direction: column;
    gap: clamp(1.2rem, 1.8vw, 1.5rem);
}

.product-title {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(1.4rem, 2.2vw, 1.8rem);
    font-weight: 900;
    letter-spacing: -0.3px;
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: 0.3rem;
}

.product-subtitle {
    font-family: 'Raleway', sans-serif;
    font-size: clamp(0.8rem, 1vw, 0.88rem);
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.2px;
}

/* =====================================================
   13. SPECIFICATIONS TABLE
   ===================================================== */
.specifications {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface-light);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.specifications tr {
    border-bottom: 1px solid var(--border-color);
}

.specifications tr:last-child {
    border-bottom: none;
}

.specifications td {
    padding: 0.7rem 0.9rem;
    font-family: 'Raleway', sans-serif;
    font-size: 0.75rem;
}

.specifications td:first-child {
    font-weight: 700;
    color: var(--text-primary);
    text-transform: uppercase;
    font-size: 0.68rem;
    letter-spacing: 0.6px;
    width: 35%;
    background: rgba(38, 115, 184, 0.05);
}

.specifications td:last-child {
    font-weight: 500;
    color: var(--text-body);
    letter-spacing: 0.1px;
}

/* =====================================================
   14. PRODUCT DESCRIPTION
   ===================================================== */
.product-description {
    background: var(--surface-light);
    border-radius: var(--radius-md);
    padding: 1rem 1.2rem;
}

.description-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    color: var(--text-primary);
    margin-bottom: 0.6rem;
}

.description-text {
    font-family: 'Raleway', sans-serif;
    font-size: 0.82rem;
    font-weight: 400;
    line-height: 1.6;
    color: var(--text-body);
    letter-spacing: 0.1px;
}

/* =====================================================
   15. ACTION BUTTONS (CALL / WHATSAPP)
   ===================================================== */
.product-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem;
    margin-top: auto;
}

.action-btn {
    padding: 0.85rem 1.2rem;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-decoration: none;
    border-radius: 5px;
}

.action-btn i {
    font-size: 0.95rem;
}

.call-btn {
    background: var(--surface-light);
    color: var(--text-body);
}

.call-btn:hover {
    background: var(--text-primary);
    color: white;
    border-color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-btn);
}

.whatsapp-btn {
    background: var(--whatsapp-green);
    color: white;
    border-color: var(--whatsapp-green);
}

.whatsapp-btn:hover {
    background: #128C7E;
    border-color: #128C7E;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(37, 211, 102, 0.25);
}

/* =====================================================
   16. WHY CHOOSE SECTION
   ===================================================== */
.why-choose-section {
    background: white;
    padding: clamp(2.5rem, 4vw, 3.5rem) 0;
    border-top: 1px solid var(--border-color);
}

.why-choose-content {
    max-width: 1200px;
    margin: 0 auto;
}

.why-choose-title {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(1.3rem, 2.2vw, 1.7rem);
    font-weight: 800;
    letter-spacing: -0.2px;
    color: var(--text-primary);
    line-height: 1.3;
    margin-bottom: clamp(1rem, 1.5vw, 1.2rem);
}

.why-choose-text {
    font-family: 'Raleway', sans-serif;
    font-size: clamp(0.85rem, 0.95vw, 0.88rem);
    font-weight: 400;
    line-height: 1.7;
    color: var(--text-body);
    margin-bottom: 0.9rem;
    text-align: justify;
}

/* =====================================================
   17. BENEFITS & CONTACT BLOCKS
   ===================================================== */
.benefits-section {
    margin-top: clamp(1.5rem, 2.5vw, 2rem);
}

.benefits-title {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(1rem, 1.3vw, 1.15rem);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.8rem;
}

.benefits-list {
    list-style: none;
    padding-left: 0;
}

.benefits-list li {
    font-family: 'Raleway', sans-serif;
    font-size: clamp(0.82rem, 0.92vw, 0.86rem);
    font-weight: 500;
    line-height: 1.6;
    color: var(--text-body);
    margin-bottom: 0.5rem;
    padding-left: 1.3rem;
    position: relative;
}

.benefits-list li::before {
    content: '•';
    color: var(--primary-blue);
    font-weight: 900;
    font-size: 1.2rem;
    position: absolute;
    left: 0;
    top: -2px;
}

.contact-section {
    margin-top: clamp(1.5rem, 2.5vw, 2rem);
    padding: 1rem 1.2rem;
    background: var(--surface-light);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.contact-title {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(0.95rem, 1.15vw, 1.05rem);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.7rem;
}

.contact-text {
    font-family: 'Raleway', sans-serif;
    font-size: clamp(0.82rem, 0.92vw, 0.86rem);
    font-weight: 400;
    line-height: 1.6;
    color: var(--text-body);
    margin-bottom: 0.7rem;
}

.contact-info-item {
    font-family: 'Raleway', sans-serif;
    font-size: clamp(0.82rem, 0.92vw, 0.86rem);
    font-weight: 500;
    line-height: 1.5;
    color: var(--text-body);
    margin-bottom: 0.4rem;
}

.contact-info-item strong {
    font-weight: 700;
    color: var(--text-primary);
    margin-right: 0.3rem;
}

.contact-info-item a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: opacity var(--transition-fast);
}

.contact-info-item a:hover {
    opacity: 0.7;
}

/* =====================================================
   18. FAQ SECTION
   ===================================================== */
.faq-section {
    margin-top: clamp(2rem, 3vw, 2.5rem);
}

.faq-title {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(1.2rem, 1.7vw, 1.45rem);
    font-weight: 800;
    letter-spacing: -0.2px;
    color: var(--text-primary);
    margin-bottom: clamp(1.2rem, 2vw, 1.5rem);
}

.faq-item {
    margin-bottom: clamp(1.2rem, 2vw, 1.5rem);
}

.faq-question {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(0.92rem, 1.08vw, 1rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.faq-answer {
    font-family: 'Raleway', sans-serif;
    font-size: clamp(0.82rem, 0.92vw, 0.86rem);
    font-weight: 400;
    line-height: 1.6;
    color: var(--text-body);
    padding-left: 0.4rem;
    text-align: justify;
}

/* =====================================================
   19. BEST SELLERS SECTION
   ===================================================== */
.best-sellers-section {
    background: var(--background-base);
    padding: clamp(2.5rem, 4vw, 3.5rem) 0;
}

.section-header {
    text-align: center;
    margin-bottom: clamp(2rem, 3vw, 2.5rem);
}

.section-subtitle {
    font-family: 'Raleway', sans-serif;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1.8px;
    text-transform: uppercase;
    color: var(--primary-blue);
    margin-bottom: 0.6rem;
}

.section-title {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(1.6rem, 2.8vw, 2.2rem);
    font-weight: 900;
    letter-spacing: -0.4px;
    color: var(--text-primary);
    line-height: 1.2;
}

.best-sellers-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(1.5rem, 2vw, 2rem);
    max-width: 1100px;
    margin: 0 auto;
}

.bestseller-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-smooth);
    cursor: pointer;
    text-decoration: none;
    display: block;
    position: relative;
}

.bestseller-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--primary-blue);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-smooth);
    z-index: 10;
}

.bestseller-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card);
    border-color: var(--primary-blue);
}

.bestseller-card:hover::before {
    transform: scaleX(1);
}

.bestseller-image-container {
    position: relative;
    width: 100%;
    padding-top: 100%;
    overflow: hidden;
    background: var(--border-light);
}

.bestseller-image {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform var(--transition-gallery);
}

.bestseller-card:hover .bestseller-image {
    transform: scale(1.08);
}

.bestseller-name {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(0.95rem, 1.1vw, 1.05rem);
    font-weight: 800;
    letter-spacing: 0.2px;
    color: var(--text-primary);
    text-align: center;
    padding: clamp(1.2rem, 1.5vw, 1.4rem);
    line-height: 1.3;
    transition: color var(--transition-fast);
}

.bestseller-card:hover .bestseller-name {
    color: var(--primary-blue);
}

/* =====================================================
   20. LIGHTBOX OVERLAY
   ===================================================== */
#lightboxOverlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.93);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

#lightboxOverlay.active {
    opacity: 1;
    visibility: visible;
}

/* Prevent body scroll when lightbox is open */
body.lightbox-open {
    overflow: hidden;
}

/* ---- Image Wrapper (handles zoom/pan transforms) ---- */
#lightboxImageWrapper {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    user-select: none;
    -webkit-user-select: none;
    touch-action: none;
}

#lightboxImageWrapper.dragging {
    cursor: grabbing;
}

/* ---- Lightbox Image ---- */
#lightboxImage {
    max-width: 88vw;
    max-height: 82vh;
    object-fit: contain;
    border-radius: 4px;
    transition: transform 0.2s ease;
    transform-origin: center center;
    pointer-events: none;
    user-select: none;
    -webkit-user-select: none;
    -webkit-user-drag: none;
}

#lightboxImage.no-transition {
    transition: none !important;
}

/* ---- Close Button ---- */
#lightboxClose {
    position: absolute;
    top: 18px;
    right: 20px;
    width: 42px;
    height: 42px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: white;
    font-size: 1.05rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.25s ease;
    z-index: 10;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

#lightboxClose:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.1) rotate(90deg);
}

/* ---- Prev / Next Navigation ---- */
#lightboxPrev,
#lightboxNext {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 50%;
    color: white;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.25s ease;
    z-index: 10;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

#lightboxPrev { left: 20px; }
#lightboxNext { right: 20px; }

#lightboxPrev:hover,
#lightboxNext:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-50%) scale(1.1);
}

/* Hide nav when only 1 image */
#lightboxOverlay[data-count="1"] #lightboxPrev,
#lightboxOverlay[data-count="1"] #lightboxNext {
    display: none;
}

/* ---- Counter ---- */
#lightboxCounter {
    position: absolute;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    font-family: 'Montserrat', sans-serif;
    font-size: 0.75rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 1px;
    z-index: 10;
    pointer-events: none;
}

/* ---- Zoom Level Badge ---- */
#lightboxZoomBadge {
    position: absolute;
    top: 18px;
    left: 50%;
    transform: translateX(-50%) scale(0.8);
    background: rgba(38, 115, 184, 0.85);
    color: white;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    padding: 0.28rem 0.75rem;
    border-radius: 20px;
    opacity: 0;
    transition: opacity 0.25s ease, transform 0.25s ease;
    z-index: 10;
    pointer-events: none;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

#lightboxZoomBadge.visible {
    opacity: 1;
    transform: translateX(-50%) scale(1);
}

/* ---- Zoom Hint ---- */
#lightboxZoomHint {
    position: absolute;
    bottom: 110px;
    left: 50%;
    transform: translateX(-50%);
    font-family: 'Raleway', sans-serif;
    font-size: 0.72rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.55);
    letter-spacing: 0.3px;
    text-align: center;
    z-index: 10;
    pointer-events: none;
    transition: opacity 0.4s ease;
    white-space: nowrap;
}

#lightboxZoomHint.hide {
    opacity: 0;
}

/* ---- Thumbnail Strip ---- */
#lightboxThumbnails {
    position: absolute;
    bottom: 18px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    align-items: center;
    z-index: 10;
    max-width: 90vw;
    overflow-x: auto;
    padding: 4px 8px;
    scrollbar-width: none;
}

#lightboxThumbnails::-webkit-scrollbar {
    display: none;
}

.lightbox-thumb {
    width: 48px;
    height: 48px;
    object-fit: cover;
    border-radius: 4px;
    border: 2px solid rgba(255, 255, 255, 0.25);
    cursor: pointer;
    transition: all 0.25s ease;
    opacity: 0.6;
    flex-shrink: 0;
}

.lightbox-thumb:hover {
    opacity: 0.85;
    border-color: rgba(255, 255, 255, 0.55);
    transform: translateY(-2px);
}

.lightbox-thumb.active {
    opacity: 1;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 2px rgba(38, 115, 184, 0.4);
}

/* =====================================================
   21. SCROLL ANIMATIONS
   ===================================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-on-scroll {
    opacity: 0;
    animation: fadeInUp 0.7s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* =====================================================
   22. RESPONSIVE DESIGN
   ===================================================== */
@media (max-width: 991px) {
    .product-detail-section {
        padding: 4.5rem 0 2rem;
    }

    .product-layout {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .specifications td:first-child {
        width: 40%;
    }

    .best-sellers-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    #lightboxPrev { left: 10px; }
    #lightboxNext { right: 10px; }

    #lightboxImage {
        max-width: 95vw;
        max-height: 75vh;
    }
}

@media (max-width: 576px) {
    .product-layout {
        padding: 1.2rem;
    }

    .thumbnail-gallery {
        gap: 0.5rem;
    }

    .product-actions {
        grid-template-columns: 1fr;
        gap: 0.7rem;
    }

    .specifications td {
        font-size: 0.72rem;
        padding: 0.65rem 0.8rem;
    }

    .specifications td:first-child {
        font-size: 0.64rem;
    }

    .best-sellers-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .whatsapp-float {
        width: 48px;
        height: 48px;
        bottom: 18px;
        right: 18px;
    }

    .whatsapp-float i {
        font-size: 24px;
    }

    .breadcrumb {
        font-size: 0.68rem;
    }

    #lightboxPrev,
    #lightboxNext {
        width: 38px;
        height: 38px;
        font-size: 0.85rem;
    }

    #lightboxPrev { left: 8px; }
    #lightboxNext { right: 8px; }

    #lightboxZoomHint,
    #lightboxCounter {
        font-size: 0.65rem;
    }
}

/* Footer component override */
#footerComponent {
    font-family: 'Montserrat', sans-serif;
    width: 100%;
}