/* ==========================================================================
   RESPONSIVE ENGINE - TRUE MOBILE-FIRST OVERRIDES
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. BASE MOBILE STYLES (≤768px implicitly, applied globally then overridden)
   -------------------------------------------------------------------------- */
* { box-sizing: border-box; }

html, body {
    overflow-x: hidden !important;
    width: 100vw !important;
    max-width: 100% !important;
    padding-bottom: 80px !important; /* Safe area for floating FABs */
}

/* Header & Nav */
.top-nav { display: none !important; }
.header-main { position: sticky; top: 0; z-index: 1000; }
.header-main .container { display: flex !important; flex-wrap: wrap !important; justify-content: space-between !important; padding: 12px 16px !important; align-items: center !important; width: 100%; max-width: 100% !important; box-sizing: border-box; }
.header-search { display: none !important; } /* Hidden on mobile base */
#mobileMenuBtn { display: inline-flex !important; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 50%; background: #f1f5f9; border: none; cursor: pointer; }
.desktop-nav { display: none !important; }
.header-actions { flex-shrink: 0 !important; display: flex !important; align-items: center !important; gap: 8px !important; }
.brand-name { font-size: 1.2rem !important; }

/* Mobile Menu Drawer Fix */
.mobile-menu-drawer { width: 85vw !important; max-width: 320px !important; }

/* Slim Sticky Category Bar */
.category-nav { width: 100vw !important; max-width: 100% !important; overflow: hidden !important; }
.category-nav .container { display: flex !important; flex-wrap: nowrap !important; overflow-x: auto !important; -webkit-overflow-scrolling: touch !important; padding: 10px 16px !important; justify-content: flex-start !important; gap: 12px !important; width: 100%; max-width: 100% !important; box-sizing: border-box; scroll-snap-type: x mandatory; }
.category-nav .container::-webkit-scrollbar { display: none !important; }
.category-nav .nav-item { flex: 0 0 auto !important; scroll-snap-align: start; white-space: nowrap !important; font-size: 0.9rem !important; padding: 8px 16px !important; border-radius: 20px !important; background: #f1f5f9; }
.category-nav .nav-item.active { background: var(--primary-navy); color: #fff; }

/* Hero Slider */
.premium-hero-slider { height: 60vh !important; min-height: 400px !important; overflow: hidden !important; width: 100vw !important; max-width: 100% !important; }
.hero-section { height: auto !important; min-height: 60vh !important; overflow: hidden !important; }
.slider-container { width: 100vw !important; max-width: 100% !important; }
.slide { display: flex !important; flex-direction: column !important; justify-content: center !important; width: 100vw !important; max-width: 100% !important; }
.slide-content { margin-left: 0 !important; padding: 20px !important; text-align: center !important; width: 100% !important; max-width: 100% !important; align-items: center !important; background: rgba(0,0,0,0.5); border-radius: 12px; backdrop-filter: blur(4px); }
.slide-content h1 { font-size: 2rem !important; line-height: 1.2 !important; margin-bottom: 12px !important; }
.slide-content p { font-size: 0.95rem !important; }
.slider-arrow { display: none !important; }

/* Catalog Header & Sort By (Stacked & Full-Width) */
.catalog-header-bar { display: flex !important; flex-direction: column !important; align-items: flex-start !important; gap: 16px !important; padding: 20px 16px !important; width: 100% !important; box-sizing: border-box; }
#catalogTitle { font-size: 1.4rem !important; line-height: 1.2 !important; margin: 0 !important; white-space: normal !important; width: 100% !important; }
.catalog-header-bar > div { width: 100% !important; }
.catalog-header-bar label { display: block !important; margin-bottom: 8px !important; font-size: 0.9rem !important; color: var(--text-muted) !important; }
#sortSelect { width: 100% !important; padding: 12px 16px !important; font-size: 1rem !important; border-radius: 8px !important; border: 1px solid var(--border-color) !important; background: #fff !important; -webkit-appearance: none; }

/* Dedicated Mobile 2-Column Product Grid */
.best-sellers-section .container, .catalog-section .container { width: 100% !important; max-width: 100% !important; padding: 0 !important; overflow: hidden !important; }
.products-grid, .products-grid.grid-4, .products-grid.grid-3 { 
    display: grid !important; 
    grid-template-columns: repeat(2, 1fr) !important; 
    gap: 12px !important; 
    padding: 0 12px !important;
    width: 100% !important;
    box-sizing: border-box !important;
}

/* Product Card - Native App Look */
.product-card { 
    display: flex !important; 
    flex-direction: column !important; 
    padding: 10px !important; 
    border-radius: 12px !important; 
    margin-bottom: 0 !important; 
    height: 100% !important; 
    justify-content: space-between !important;
    border: 1px solid var(--border-color) !important;
    box-shadow: 0 4px 10px rgba(0,0,0,0.03) !important;
}
.card-image-box { height: 110px !important; padding: 4px !important; margin-bottom: 8px !important; display: flex !important; align-items: center !important; justify-content: center !important; }
.card-image-box img { object-fit: contain !important; max-height: 100% !important; width: 100% !important; }
.product-badges { position: absolute !important; top: 6px !important; left: 6px !important; display: flex !important; flex-wrap: wrap !important; gap: 4px !important; z-index: 2 !important; }
.badge { font-size: 0.6rem !important; padding: 3px 6px !important; border-radius: 4px !important; }
.product-colors { position: absolute !important; top: 6px !important; right: 6px !important; gap: 4px !important; display: flex !important; }
.color-swatch { width: 12px !important; height: 12px !important; }
.tryon-hover-btn { display: none !important; } /* Hide the hover button on mobile, users tap the card */
.card-details { padding: 0 !important; flex-grow: 1 !important; display: flex !important; flex-direction: column !important; justify-content: flex-end !important; }
.product-title { font-size: 0.85rem !important; line-height: 1.3 !important; margin-bottom: 6px !important; font-weight: 600 !important; color: var(--text-main) !important; overflow: hidden !important; text-overflow: ellipsis !important; display: -webkit-box !important; -webkit-line-clamp: 2 !important; -webkit-box-orient: vertical !important; }
.product-rating { font-size: 0.7rem !important; margin-bottom: 6px !important; gap: 4px !important; }
.product-price { font-size: 1.05rem !important; font-weight: 700 !important; margin-bottom: 4px !important; display: flex !important; align-items: baseline !important; gap: 6px !important; flex-wrap: wrap !important; }
.price-original { font-size: 0.75rem !important; }
.price-discount { font-size: 0.7rem !important; padding: 2px 4px !important; }

/* Quick View Modal - Mobile Fullscreen */
.modal-backdrop { padding: 0 !important; overflow: hidden !important; }
.modal-card { width: 100vw !important; max-width: 100% !important; height: 100dvh !important; border-radius: 0 !important; margin: 0 !important; overflow-y: auto !important; display: block !important; padding-bottom: 100px !important; }
.product-modal-grid { display: flex !important; flex-direction: column !important; height: auto !important; padding: 0 !important; gap: 0 !important; }
.p-image-gallery { min-height: 280px !important; height: auto !important; border-right: none !important; border-bottom: 1px solid var(--border-color) !important; padding: 20px !important; display: flex !important; align-items: center !important; justify-content: center !important; }
.p-details-box { padding: 20px !important; }
.modal-title { font-size: 1.4rem !important; line-height: 1.2 !important; margin-bottom: 12px !important; }

/* Modal Sticky Bar on Mobile */
.sticky-bottom-bar { display: flex !important; flex-direction: row !important; position: fixed !important; bottom: 0 !important; left: 0 !important; width: 100% !important; background: rgba(255,255,255,0.95) !important; backdrop-filter: blur(10px) !important; padding: 12px 16px !important; box-shadow: 0 -5px 15px rgba(0,0,0,0.1) !important; z-index: 9999 !important; justify-content: space-between !important; align-items: center !important; border-top: 1px solid rgba(0,0,0,0.05) !important; }
.sticky-bottom-bar .bottom-price { font-size: 1.3rem !important; font-weight: 800 !important; color: var(--primary-navy) !important; display: flex !important; flex-direction: column !important; line-height: 1.1 !important; }
.sticky-bottom-bar .bottom-price small { font-size: 0.7rem !important; }
.sticky-bottom-bar .btn-buy { padding: 12px 20px !important; font-size: 0.95rem !important; width: auto !important; border-radius: 50px !important; }

/* Floating Buttons (Safe Zone Alignment) */
.float-btn { width: 50px !important; height: 50px !important; font-size: 1.4rem !important; right: 16px !important; z-index: 9990 !important; display: flex !important; align-items: center !important; justify-content: center !important; box-shadow: 0 4px 12px rgba(0,0,0,0.2) !important; }
.float-whatsapp { bottom: 16px !important; }

/* Luxury Showcase */
.luxury-showcase { width: 100vw !important; max-width: 100% !important; overflow: hidden !important; }
.luxury-grid { display: flex !important; flex-direction: column !important; width: 100% !important; }
.luxury-image { min-height: 350px !important; width: 100% !important; }
.luxury-image img { width: 100% !important; height: 100% !important; object-fit: cover !important; }
.luxury-content { padding: 40px 20px !important; text-align: center !important; width: 100% !important; box-sizing: border-box !important; }
.luxury-title { font-size: 2rem !important; line-height: 1.2 !important; }

/* AI Face Scanner CTA */
.face-scanner-cta-section { padding: 60px 20px !important; }
.face-scanner-cta-section .container > div { display: flex !important; flex-direction: column !important; gap: 40px !important; }
.face-scanner-cta-section h2 { font-size: 2.2rem !important; text-align: center !important; }
.scanner-preview-card { aspect-ratio: auto !important; height: 450px !important; }

/* Footer */
.footer-main { width: 100vw !important; max-width: 100% !important; overflow: hidden !important; padding: 0 !important; }
.footer-grid { display: flex !important; flex-direction: column !important; gap: 32px !important; padding: 40px 24px !important; }
.footer-bottom-flex { flex-direction: column !important; text-align: center !important; gap: 16px !important; padding: 24px !important; }


/* --------------------------------------------------------------------------
   2. TABLET LAYOUT (769px - 1024px)
   -------------------------------------------------------------------------- */
@media (min-width: 769px) {
    html, body { padding-bottom: 0 !important; }
    
    /* Header */
    .header-main .container { padding: 16px 24px !important; }
    
    /* Catalog Header */
    .catalog-header-bar { flex-direction: row !important; justify-content: space-between !important; align-items: center !important; padding: 24px !important; }
    .catalog-header-bar > div { width: auto !important; }
    #sortSelect { width: 200px !important; }
    
    /* Category Nav */
    .category-nav .container { justify-content: center !important; flex-wrap: wrap !important; padding: 16px 24px !important; }
    
    /* Hero */
    .premium-hero-slider { height: 60vh !important; }
    .slide-content { margin-left: 10% !important; padding: 40px !important; text-align: left !important; max-width: 500px !important; align-items: flex-start !important; background: transparent; backdrop-filter: none; }
    .slide-content h1 { font-size: 3.2rem !important; }
    .slider-arrow { display: flex !important; }
    
    /* Products Grid */
    .best-sellers-section .container, .catalog-section .container { padding: 0 24px !important; }
    .products-grid, .products-grid.grid-4, .products-grid.grid-3 { grid-template-columns: repeat(3, 1fr) !important; gap: 20px !important; padding: 0 !important; }
    .product-card { padding: 16px !important; }
    .card-image-box { height: 180px !important; }
    .product-title { font-size: 1rem !important; margin-bottom: 8px !important; }
    .product-price { font-size: 1.2rem !important; }
    .tryon-hover-btn { display: flex !important; } /* Restore hover button */
    
    /* Modal */
    .modal-backdrop { padding: 40px 20px !important; }
    .modal-card { width: 90% !important; max-width: 800px !important; height: 85vh !important; border-radius: 24px !important; margin: auto !important; position: relative !important; display: flex !important; flex-direction: column !important; padding-bottom: 0 !important; }
    .product-modal-grid { display: grid !important; grid-template-columns: 1fr 1fr !important; height: 100% !important; padding: 0 !important; }
    .p-image-gallery { min-height: auto !important; border-right: 1px solid var(--border-color) !important; border-bottom: none !important; }
    .sticky-bottom-bar { position: sticky !important; bottom: -20px !important; margin: 20px -20px -20px -20px !important; border-radius: 0 0 24px 24px !important; border-top: 1px solid var(--border-color) !important; box-shadow: none !important; padding: 20px !important; background: #fff !important; }
    
    /* Luxury Showcase */
    .luxury-grid { display: grid !important; grid-template-columns: 1fr 1fr !important; }
    .luxury-image { min-height: 500px !important; }
    .luxury-content { padding: 60px 40px !important; text-align: left !important; }
    .luxury-title { font-size: 2.8rem !important; }
    
    /* AI Scanner */
    .face-scanner-cta-section .container > div { flex-direction: row !important; }
    .face-scanner-cta-section h2 { text-align: left !important; font-size: 3rem !important; }
    .scanner-preview-card { aspect-ratio: 4/5 !important; height: auto !important; }

    /* Footer */
    .footer-grid { display: grid !important; grid-template-columns: repeat(2, 1fr) !important; padding: 60px 24px !important; }
}


/* --------------------------------------------------------------------------
   3. LAPTOP LAYOUT (1025px - 1440px)
   -------------------------------------------------------------------------- */
@media (min-width: 1025px) {
    /* Header & Nav */
    .top-nav { display: block !important; }
    .header-main .container { flex-wrap: nowrap !important; }
    .header-search { display: flex !important; }
    #mobileMenuBtn { display: none !important; }
    .desktop-nav { display: flex !important; }
    
    /* Container */
    .container { max-width: 1200px !important; margin: 0 auto !important; padding: 0 32px !important; }
    
    /* Hero */
    .premium-hero-slider { height: 80vh !important; }
    .slide-content h1 { font-size: 4rem !important; }
    .slide-content { max-width: 600px !important; }
    
    /* Products Grid */
    .best-sellers-section .container, .catalog-section .container { padding: 0 32px !important; }
    .products-grid.grid-4 { grid-template-columns: repeat(4, 1fr) !important; gap: 24px !important; }
    .products-grid.grid-3 { grid-template-columns: repeat(3, 1fr) !important; gap: 24px !important; }
    .card-image-box { height: 200px !important; }
    
    /* Modal */
    .modal-card { max-width: 1000px !important; height: 80vh !important; }
    .p-details-box { padding: 32px !important; }
    .sticky-bottom-bar { margin: 32px -32px -32px -32px !important; }
    
    /* Luxury Showcase */
    .luxury-title { font-size: 3.2rem !important; }
    
    /* Footer */
    .footer-grid { grid-template-columns: 2fr 1fr 1fr !important; padding: 80px 0 !important; }
    .footer-bottom-flex { flex-direction: row !important; justify-content: space-between !important; }
    .footer-rating { justify-content: flex-start !important; }
}


/* --------------------------------------------------------------------------
   4. DESKTOP LAYOUT (Above 1440px)
   -------------------------------------------------------------------------- */
@media (min-width: 1441px) {
    /* Container */
    .container { max-width: 1400px !important; padding: 0 !important; }
    
    /* Typography & Spacing */
    html { font-size: 16px !important; }
    
    /* Hero */
    .premium-hero-slider { height: 85vh !important; }
    .slide-content h1 { font-size: 4.8rem !important; }
    
    /* Products Grid */
    .products-grid.grid-4 { gap: 32px !important; }
    
    /* Modal */
    .modal-card { max-width: 1200px !important; height: 75vh !important; }
}