/* ==========================================================================
   1. PREMIUM DESIGN SYSTEM VARIABLES
   ========================================================================== */
:root {
    --color-warm-white: #FCFCFA;
    --color-ivory: #F4F1EB;
    --color-charcoal: #222222;
    --color-wood-brown: #7A4B29;
    --color-wood-brown-hover: #5C371C;
    --color-beige: #E5DAC9;
    --color-border: #D6D1C4;
    --color-text-muted: #666666;
    --color-white: #FFFFFF;

    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    
    --text-h1: clamp(2.5rem, 5vw, 4.5rem);
    --text-h2: clamp(2rem, 4vw, 3rem);
    --text-h3: clamp(1.25rem, 2vw, 1.5rem);
    --text-body-lg: clamp(1rem, 1.5vw, 1.125rem);
    --text-body: 1rem;
    --text-small: 0.875rem;

    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;

    --container-width: 1280px;
    --container-padding: 24px;
    
    --border-radius-sm: 2px;
    --border-radius-md: 4px;
    --shadow-soft: 0 10px 30px rgba(34, 34, 34, 0.05);
    --shadow-hover: 0 20px 40px rgba(34, 34, 34, 0.08);
    
    --transition-fast: 0.2s ease-in-out;
    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   2. GLOBAL RESETS & BASE
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { scroll-behavior: smooth; overflow-x: hidden; max-width: 100vw; }
body { font-family: var(--font-body); font-size: var(--text-body); line-height: 1.6; color: var(--color-charcoal); background-color: var(--color-warm-white); -webkit-font-smoothing: antialiased; }
*:focus-visible { outline: 2px solid var(--color-wood-brown); outline-offset: 4px; }
a { text-decoration: none; color: inherit; transition: color var(--transition-fast); }
ul { list-style: none; }
img { max-width: 100%; display: block; height: auto; }
.main-content { padding-top: 90px; }

/* ==========================================================================
   3. TYPOGRAPHY UTILITIES
   ========================================================================== */
.heading-1, .heading-2, .heading-3, .logo { font-family: var(--font-heading); font-weight: 500; line-height: 1.1; color: var(--color-charcoal); }
.heading-1 { font-size: var(--text-h1); }
.heading-2 { font-size: var(--text-h2); margin-bottom: var(--space-md); }
.heading-3 { font-size: var(--text-h3); margin-bottom: var(--space-xs); }
.body-large { font-size: var(--text-body-lg); color: var(--color-text-muted); max-width: 600px; margin-top: var(--space-sm); }
.eyebrow { display: block; font-family: var(--font-body); font-size: var(--text-small); text-transform: uppercase; letter-spacing: 0.15em; color: var(--color-wood-brown); margin-bottom: var(--space-sm); }
.text-center { text-align: center; }

/* ==========================================================================
   4. LAYOUT & CONTAINERS
   ========================================================================== */
.container { width: 100%; max-width: var(--container-width); margin: 0 auto; padding: 0 var(--container-padding); }
.section { padding: var(--space-xl) 0; }
.section-ivory { background-color: var(--color-ivory); }
.section-header { margin-bottom: var(--space-lg); }

/* ==========================================================================
   5. BUTTON COMPONENTS
   ========================================================================== */
.button-group { display: flex; gap: var(--space-sm); flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 1rem 2.5rem; font-family: var(--font-body); font-size: var(--text-small); font-weight: 500; text-transform: uppercase; letter-spacing: 0.1em; border-radius: var(--border-radius-sm); cursor: pointer; transition: all var(--transition-smooth); border: 1px solid transparent; }
.btn-primary { background-color: var(--color-charcoal); color: var(--color-warm-white); }
.btn-primary:hover { background-color: var(--color-wood-brown); color: var(--color-warm-white); }
.btn-outline { background-color: transparent; color: var(--color-charcoal); border-color: var(--color-border); }
.btn-outline:hover { border-color: var(--color-charcoal); }
.btn-full { width: 100%; }

/* ==========================================================================
   6. NAVBAR
   ========================================================================== */
.navbar { position: fixed; top: 0; left: 0; width: 100%; background-color: rgba(252, 252, 250, 0.95); backdrop-filter: blur(10px); z-index: 1000; transition: all var(--transition-smooth); border-bottom: 1px solid transparent; }
.navbar.scrolled { box-shadow: var(--shadow-soft); border-bottom: 1px solid var(--color-border); }
.nav-container { display: flex; justify-content: space-between; align-items: center; height: 90px; transition: height var(--transition-smooth); }
.navbar.scrolled .nav-container { height: 70px; }
.logo { font-size: 1.75rem; letter-spacing: 0.1em; font-weight: 600; position: relative; z-index: 1002; }
.nav-list { display: flex; gap: 2.5rem; }
.nav-link { font-size: 0.85rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.1em; position: relative; padding: 0.5rem 0; }
.nav-link::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 1px; background-color: var(--color-wood-brown); transition: width var(--transition-fast); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-actions { display: flex; align-items: center; gap: 1.25rem; z-index: 1002; }
.action-btn { background: none; border: none; cursor: pointer; color: var(--color-charcoal); display: flex; transition: color var(--transition-fast); }
.action-btn:hover { color: var(--color-wood-brown); }
.cart-btn { position: relative; }
.cart-btn .cart-count { position: absolute; top: -8px; right: -10px; background-color: var(--color-charcoal); color: var(--color-warm-white); font-size: 0.65rem; font-weight: 600; min-width: 18px; height: 18px; border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.menu-toggle { display: none; background: none; border: none; cursor: pointer; width: 24px; height: 24px; position: relative; z-index: 1002; }
.menu-toggle .bar { display: block; width: 100%; height: 2px; background-color: var(--color-charcoal); position: absolute; left: 0; transition: all var(--transition-fast); pointer-events: none; }
.menu-toggle .bar:nth-child(1) { top: 4px; } .menu-toggle .bar:nth-child(2) { top: 11px; } .menu-toggle .bar:nth-child(3) { top: 18px; }
.menu-toggle.active .bar:nth-child(1) { top: 11px; transform: rotate(45deg); } .menu-toggle.active .bar:nth-child(2) { opacity: 0; } .menu-toggle.active .bar:nth-child(3) { top: 11px; transform: rotate(-45deg); }
.menu-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100vh; background-color: rgba(0,0,0,0.4); z-index: 999; opacity: 0; visibility: hidden; transition: all var(--transition-smooth); }
.menu-overlay.active { opacity: 1; visibility: visible; }

/* ==========================================================================
   7. SHOP CONTROLS (PRODUCTS.HTML)
   ========================================================================== */
.shop-hero { padding: var(--space-xl) 0 var(--space-lg); border-bottom: 1px solid var(--color-border); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
.shop-controls { padding-top: var(--space-lg); }
.controls-wrapper { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; margin-bottom: var(--space-md); }
.search-box { position: relative; flex: 1; max-width: 400px; }
.search-icon { position: absolute; left: 1rem; top: 50%; transform: translateY(-50%); color: var(--color-text-muted); }
.search-box input { width: 100%; padding: 1rem 1rem 1rem 3rem; border: 1px solid var(--color-border); border-radius: var(--border-radius-sm); font-family: var(--font-body); font-size: 0.95rem; outline: none; transition: border-color var(--transition-fast); }
.search-box input:focus { border-color: var(--color-charcoal); }
.sort-box select { padding: 1rem 2.5rem 1rem 1.5rem; border: 1px solid var(--color-border); border-radius: var(--border-radius-sm); font-family: var(--font-body); font-size: 0.95rem; background-color: var(--color-white); color: var(--color-charcoal); cursor: pointer; outline: none; appearance: none; background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23222222%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E"); background-repeat: no-repeat; background-position: right 1rem top 50%; background-size: 0.65rem auto; }
.category-filters { display: flex; gap: 1rem; margin-bottom: var(--space-lg); overflow-x: auto; padding-bottom: 0.5rem; -ms-overflow-style: none; scrollbar-width: none; }
.category-filters::-webkit-scrollbar { display: none; }
.filter-btn { background: transparent; border: 1px solid var(--color-border); color: var(--color-text-muted); padding: 0.75rem 1.5rem; border-radius: 50px; font-family: var(--font-body); font-size: 0.9rem; white-space: nowrap; cursor: pointer; transition: all var(--transition-fast); }
.filter-btn:hover { border-color: var(--color-charcoal); color: var(--color-charcoal); }
.filter-btn.active { background-color: var(--color-charcoal); border-color: var(--color-charcoal); color: var(--color-white); }
.grid-header { margin-bottom: 1.5rem; border-bottom: 1px solid var(--color-border); padding-bottom: 1rem; }
.product-count { color: var(--color-text-muted); font-size: 0.9rem; }
.loading-state, .empty-state { text-align: center; padding: var(--space-xl) 0; color: var(--color-text-muted); }
.spinner { width: 40px; height: 40px; border: 3px solid var(--color-border); border-top: 3px solid var(--color-charcoal); border-radius: 50%; margin: 0 auto 1rem; animation: spin 1s linear infinite; }
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

/* ==========================================================================
   8. PRODUCT CARDS & GRIDS
   ========================================================================== */
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: var(--space-md); }
.product-card { background-color: var(--color-warm-white); transition: transform var(--transition-smooth); }
.product-card:hover { transform: translateY(-5px); }
.product-image-box { position: relative; aspect-ratio: 4/5; overflow: hidden; background-color: var(--color-ivory); margin-bottom: 1.2rem; }
.product-image-box img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1); }
.product-card:hover .product-image-box img { transform: scale(1.05); }
.wishlist-btn { position: absolute; top: 15px; right: 15px; width: 40px; height: 40px; border-radius: 50%; background-color: var(--color-white); border: none; display: flex; align-items: center; justify-content: center; color: var(--color-charcoal); cursor: pointer; box-shadow: var(--shadow-soft); transition: color var(--transition-fast), transform var(--transition-fast); z-index: 2; }
.wishlist-btn:hover { color: var(--color-wood-brown); transform: scale(1.1); }
.add-to-cart-btn { position: absolute; bottom: -60px; left: 0; width: 100%; padding: 1rem; background-color: var(--color-charcoal); color: var(--color-white); border: none; font-family: var(--font-body); font-size: 0.85rem; font-weight: 500; letter-spacing: 0.1em; cursor: pointer; transition: bottom var(--transition-smooth), background-color var(--transition-fast); z-index: 2; }
.product-card:hover .add-to-cart-btn { bottom: 0; }
.add-to-cart-btn:hover { background-color: var(--color-wood-brown); }
.product-content { text-align: center; }
.product-meta { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.product-category { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-text-muted); }
.product-rating { display: flex; align-items: center; gap: 4px; font-size: 0.8rem; color: var(--color-text-muted); }
.star-icon { color: #F59E0B; }
.product-title { font-family: var(--font-heading); font-size: 1.25rem; font-weight: 500; color: var(--color-charcoal); margin: 8px 0; }
.price-container { display: flex; justify-content: center; align-items: center; gap: 8px; margin-bottom: 15px; }
.product-price { font-weight: 500; color: var(--color-wood-brown); }
.price-old { font-size: 0.9rem; color: var(--color-text-muted); text-decoration: line-through; }
.sale-badge { position: absolute; top: 15px; left: 15px; background-color: #EF4444; color: var(--color-white); font-size: 0.75rem; font-weight: 600; padding: 4px 10px; border-radius: var(--border-radius-sm); z-index: 2; letter-spacing: 0.05em; }

/* ==========================================================================
   9. HOMEPAGE SPECIFICS
   ========================================================================== */
.hero { padding-top: var(--space-lg); padding-bottom: var(--space-xl); min-height: calc(100vh - 90px); display: flex; align-items: center; }
.hero-container { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-xl); align-items: center; }
.hero-content h1 { margin-bottom: var(--space-sm); }
.hero-content p { margin-bottom: var(--space-lg); }
.hero-visual { position: relative; height: 75vh; min-height: 500px; }
.hero-backdrop { position: absolute; top: 5%; right: -5%; width: 100%; height: 100%; background-color: var(--color-beige); z-index: 0; }
.hero-image { width: 100%; height: 100%; object-fit: cover; position: relative; z-index: 1; box-shadow: var(--shadow-soft); }

.categories-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--space-md); grid-auto-rows: 300px; }
.category-card { position: relative; border-radius: var(--border-radius-sm); overflow: hidden; display: block; background-color: var(--color-charcoal); }
@media (min-width: 768px) { .category-card.size-large { grid-row: span 2; grid-column: span 2; } .category-card.size-wide { grid-column: span 2; } }
.category-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1); opacity: 0.9; }
.category-card:hover img { transform: scale(1.08); }
.category-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.1) 50%, transparent 100%); padding: var(--space-md); display: flex; flex-direction: column; justify-content: flex-end; color: var(--color-white); }
.category-overlay .heading-3 { color: var(--color-white); margin-bottom: 0; }
.explore-link { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.1em; display: inline-flex; align-items: center; gap: 8px; margin-top: 8px; opacity: 0.8; transition: opacity var(--transition-fast); }
.explore-link .arrow { transition: transform var(--transition-fast); }
.category-card:hover .explore-link { opacity: 1; }
.category-card:hover .arrow { transform: translateX(5px); }

.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--space-lg) var(--space-md); text-align: center; }
.feature-icon { width: 64px; height: 64px; margin: 0 auto 1.5rem; background-color: var(--color-white); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--color-wood-brown); box-shadow: var(--shadow-soft); transition: transform var(--transition-smooth); }
.feature-card:hover .feature-icon { transform: translateY(-5px); }

.promo-section { position: relative; min-height: 60vh; display: flex; align-items: center; justify-content: center; text-align: center; overflow: hidden; padding: var(--space-xl) var(--container-padding); }
.promo-bg { position: absolute; inset: 0; background: url('https://images.unsplash.com/photo-1616486338812-3dadae4b4ace?q=80&w=1920&auto=format&fit=crop') center/cover; z-index: -2; transition: transform 10s ease; }
.promo-section:hover .promo-bg { transform: scale(1.05); }
.promo-overlay { position: absolute; inset: 0; background-color: rgba(26, 26, 26, 0.65); z-index: -1; }
.promo-content { position: relative; z-index: 1; }

.newsletter-section { text-align: center; background-color: var(--color-ivory); }
.newsletter-wrapper { max-width: 700px; margin: 0 auto; }
.newsletter-form { display: flex; gap: 1rem; margin-top: 2.5rem; }
.newsletter-input { flex: 1; padding: 1rem 1.5rem; border: 1px solid var(--color-border); background-color: var(--color-white); font-family: var(--font-body); font-size: 1rem; outline: none; transition: border-color var(--transition-fast); }
.newsletter-input:focus { border-color: var(--color-charcoal); }

/* ==========================================================================
   10. PRODUCT DETAILS PAGE (PRODUCT.HTML)
   ========================================================================== */
.section-padding-sm { padding-top: 2rem; padding-bottom: 2rem; }
.breadcrumb { font-size: 0.85rem; color: var(--color-text-muted); font-weight: 500; }
.breadcrumb a { color: var(--color-text-muted); transition: color var(--transition-fast); }
.breadcrumb a:hover { color: var(--color-charcoal); }
.breadcrumb .separator { margin: 0 0.5rem; color: var(--color-border); }
.breadcrumb .current { color: var(--color-charcoal); }

.product-details-section { padding-bottom: var(--space-xl); }
.product-layout { display: grid; grid-template-columns: 1.2fr 1fr; gap: var(--space-xl); align-items: start; }
.main-image-wrapper { position: relative; width: 100%; aspect-ratio: 4/3; background-color: var(--color-ivory); border-radius: var(--border-radius-md); overflow: hidden; margin-bottom: 1rem; box-shadow: var(--shadow-soft); }
.main-image-wrapper img { width: 100%; height: 100%; object-fit: cover; transition: opacity var(--transition-smooth); }
.thumbnails { display: flex; gap: 1rem; }
.thumb-img { width: 80px; height: 80px; object-fit: cover; border-radius: var(--border-radius-sm); cursor: pointer; border: 2px solid transparent; transition: border-color var(--transition-fast), opacity var(--transition-fast); opacity: 0.7; }
.thumb-img:hover, .thumb-img.active { opacity: 1; border-color: var(--color-wood-brown); }

.product-category-label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.15em; color: var(--color-wood-brown); display: block; margin-bottom: 0.5rem; }
.product-rating-box { display: flex; align-items: center; gap: 8px; margin-bottom: 1.5rem; }
.product-rating-box .stars { display: flex; color: #F59E0B; }
.rating-value { font-weight: 600; font-size: 0.9rem; color: var(--color-charcoal); }
.review-count { font-size: 0.85rem; color: var(--color-text-muted); }
.product-pricing { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.5rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--color-border); }
.price-current { font-size: 1.75rem; font-weight: 600; color: var(--color-charcoal); }
.product-description-short { color: var(--color-text-muted); font-size: 1rem; margin-bottom: 2.5rem; line-height: 1.7; }

.product-actions-box { background-color: var(--color-ivory); padding: 1.5rem; border-radius: var(--border-radius-md); margin-bottom: 2rem; }
.quantity-selector { display: flex; align-items: center; width: fit-content; border: 1px solid var(--color-border); border-radius: var(--border-radius-sm); background-color: var(--color-white); margin-bottom: 1.5rem; }
.qty-btn { background: transparent; border: none; padding: 0.75rem 1.25rem; font-size: 1.25rem; color: var(--color-charcoal); cursor: pointer; transition: background-color var(--transition-fast); }
.qty-btn:hover { background-color: var(--color-ivory); }
.qty-input { width: 50px; text-align: center; border: none; border-left: 1px solid var(--color-border); border-right: 1px solid var(--color-border); font-family: var(--font-body); font-size: 1rem; font-weight: 600; padding: 0.75rem 0; color: var(--color-charcoal); -moz-appearance: textfield; }
.qty-input::-webkit-outer-spin-button, .qty-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.action-buttons-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.btn-whatsapp { background-color: #25D366; color: var(--color-white); grid-column: span 2; }
.btn-whatsapp:hover { background-color: #128C7E; color: var(--color-white); }

.product-mini-features { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.mini-feature { display: flex; align-items: center; gap: 12px; font-size: 0.9rem; color: var(--color-charcoal); font-weight: 500; }
.mini-feature svg { color: var(--color-wood-brown); }

/* ==========================================================================
   11. FOOTER, TOASTS & ANIMATIONS
   ========================================================================== */
.footer { background-color: var(--color-charcoal); color: var(--color-warm-white); padding: var(--space-xl) 0 var(--space-md); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr; gap: var(--space-lg) var(--space-md); margin-bottom: var(--space-xl); }
.footer-title { font-family: var(--font-body); font-size: 0.85rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--color-white); margin-bottom: 1.5rem; }
.footer-links ul li { margin-bottom: 0.75rem; }
.footer-links a { color: var(--color-border); font-size: 0.95rem; }
.footer-links a:hover { color: var(--color-beige); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: var(--space-md); text-align: center; color: var(--color-border); font-size: 0.85rem; }

.toast-container { position: fixed; bottom: 20px; right: 20px; z-index: 9999; display: flex; flex-direction: column; gap: 10px; pointer-events: none; }
.toast { background-color: var(--color-charcoal); color: var(--color-white); padding: 1rem 1.5rem; border-radius: var(--border-radius-sm); box-shadow: var(--shadow-hover); font-size: 0.9rem; display: flex; align-items: center; gap: 10px; transform: translateY(100px); opacity: 0; transition: transform 0.4s ease, opacity 0.4s ease; pointer-events: auto; }
.toast.show { transform: translateY(0); opacity: 1; }

.reveal { opacity: 0; visibility: hidden; }
.fade-up.in-view { animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards; visibility: visible; }
.fade-in.in-view { animation: fadeIn 1s ease forwards; visibility: visible; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

@media (prefers-reduced-motion: reduce) {
    *, ::before, ::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
    .reveal { opacity: 1; visibility: visible; transform: none; }
    .promo-section:hover .promo-bg { transform: none; }
}

/* ==========================================================================
   12. RESPONSIVE BREAKPOINTS (Final Polish)
   ========================================================================== */
@media (max-width: 1024px) {
    .hero-container, .product-layout { gap: var(--space-lg); }
    .hero-visual { min-height: 400px; }
    .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
}
@media (max-width: 768px) {
    :root { --space-xl: 4rem; --space-lg: 2rem; }
    .menu-toggle { display: block; }
    .hide-on-mobile { display: none; }
    
    .nav-menu { position: fixed; top: 0; left: -100%; width: 300px; max-width: 80%; height: 100vh; background-color: var(--color-warm-white); z-index: 1001; padding: 100px 32px 32px; transition: left var(--transition-smooth); box-shadow: 5px 0 30px rgba(0,0,0,0.1); overflow-y: auto; }
    .nav-menu.active { left: 0; }
    .nav-list { flex-direction: column; gap: 2rem; }
    .nav-link { font-size: 1.25rem; }

    .hero { padding-top: var(--space-md); min-height: auto; }
    .hero-container { grid-template-columns: 1fr; text-align: center; gap: var(--space-xl); }
    .hero-content p { margin-left: auto; margin-right: auto; }
    .button-group { justify-content: center; }
    .hero-visual { height: 60vh; }
    
    .controls-wrapper { flex-direction: column; align-items: stretch; }
    .search-box { max-width: 100%; }
    .product-layout { grid-template-columns: 1fr; }
    .action-buttons-grid { grid-template-columns: 1fr; }
    .btn-whatsapp { grid-column: span 1; }
    
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-brand { grid-column: span 2; margin-bottom: 1rem; }
}
@media (max-width: 480px) {
    .nav-container { padding: 0 16px; }
    .hero-visual { height: 50vh; }
    .button-group { flex-direction: column; width: 100%; }
    .btn { width: 100%; }
    
    .product-grid { grid-template-columns: repeat(auto-fill, minmax(100%, 1fr)); } /* Prevents overflow on tiny screens */
    
    .newsletter-form { flex-direction: column; }
    .footer-grid { grid-template-columns: 1fr; text-align: center; gap: 2.5rem; }
    .footer-brand { grid-column: span 1; }
    .footer-brand p { margin-left: auto; margin-right: auto; }
}
/* ==========================================================================
   DAY 3 - PART 2: CART PAGE UI
   ========================================================================== */

/* Cart Layout */
.cart-layout {
    display: grid;
    grid-template-columns: 1.8fr 1fr;
    gap: var(--space-xl);
    align-items: start;
}

/* Cart Items Container */
.cart-items-container {
    width: 100%;
}

.cart-items-header {
    display: grid;
    grid-template-columns: 3fr 1fr 1fr;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}

.cart-items-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

/* Individual Cart Item */
.cart-item {
    display: grid;
    grid-template-columns: 3fr 1fr 1fr;
    align-items: center;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border);
    transition: opacity var(--transition-fast), transform var(--transition-smooth);
}

.cart-item.removing {
    opacity: 0;
    transform: translateX(-20px);
}

.cart-item-product {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.cart-item-img {
    width: 100px;
    height: 100px;
    background-color: var(--color-ivory);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    flex-shrink: 0;
}

.cart-item-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cart-item-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.cart-item-category {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
}

.cart-item-name {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--color-charcoal);
    font-weight: 500;
    margin-bottom: 4px;
}

.cart-item-price {
    font-size: 0.9rem;
    color: var(--color-wood-brown);
    font-weight: 500;
}

.cart-item-remove {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 0.8rem;
    text-decoration: underline;
    cursor: pointer;
    text-align: left;
    margin-top: 8px;
    padding: 0;
    transition: color var(--transition-fast);
}

.cart-item-remove:hover {
    color: #EF4444; /* Subtle red on hover */
}

/* Cart Quantity Controls */
.cart-item-qty {
    display: flex;
    justify-content: flex-start;
}

.cart-qty-wrapper {
    display: flex;
    align-items: center;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    background-color: var(--color-white);
    height: 40px;
}

.cart-qty-btn {
    background: transparent;
    border: none;
    width: 32px;
    height: 100%;
    font-size: 1.1rem;
    color: var(--color-charcoal);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-fast);
}

.cart-qty-btn:hover {
    background-color: var(--color-ivory);
}

.cart-qty-input {
    width: 40px;
    text-align: center;
    border: none;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-charcoal);
    -moz-appearance: textfield;
}

.cart-qty-input::-webkit-outer-spin-button,
.cart-qty-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.cart-item-total {
    text-align: right;
    font-weight: 600;
    color: var(--color-charcoal);
}

.cart-actions-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
}

/* Order Summary Panel */
.cart-summary-panel {
    background-color: var(--color-ivory);
    padding: 2rem;
    border-radius: var(--border-radius-md);
    position: sticky;
    top: 120px; /* Sticks nicely when scrolling */
}

.summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.summary-total {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
    font-size: 1.25rem;
    font-weight: 600;
    font-family: var(--font-heading);
}

.text-right {
    text-align: right;
}

/* Responsive Cart Overrides */
@media (max-width: 1024px) {
    .cart-layout {
        gap: var(--space-lg);
    }
}

@media (max-width: 768px) {
    .cart-layout {
        grid-template-columns: 1fr;
    }
    
    .cart-summary-panel {
        position: static;
        margin-top: 1rem;
    }

    .cart-items-header {
        display: none; /* Hide table headers on mobile */
    }

    .cart-item {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding-bottom: 1.5rem;
    }

    .cart-item-product {
        align-items: flex-start;
    }

    .cart-item-img {
        width: 80px;
        height: 80px;
    }

    /* Move controls and total under the product on mobile */
    .cart-item-qty {
        justify-content: flex-start;
        padding-left: calc(80px + 1.5rem); /* Align with text */
    }

    .cart-item-total {
        text-align: left;
        padding-left: calc(80px + 1.5rem);
        margin-top: 0.5rem;
    }

    .cart-item-total::before {
        content: "Line Total: ";
        font-weight: 400;
        color: var(--color-text-muted);
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .cart-summary-panel {
        padding: 1.5rem;
    }
    .cart-item-product {
        gap: 1rem;
    }
    .cart-item-qty, .cart-item-total {
        padding-left: 0; /* Reset alignment on tiny screens */
    }
}
/* ==========================================================================
   DAY 3 - PART 3: ADVANCED TOAST & NOTIFICATIONS
   ========================================================================== */

.toast-success {
    background-color: var(--color-charcoal);
    border-left: 4px solid #25D366; /* Green accent to indicate success */
    align-items: flex-start; /* Aligns icon with multiline text */
    padding: 1.25rem 1.5rem;
    min-width: 320px;
    max-width: 90vw;
}

.toast-action {
    display: inline-block;
    padding: 4px 8px;
    border-radius: var(--border-radius-sm);
    background-color: rgba(255, 255, 255, 0.1);
    transition: background-color var(--transition-fast);
}

.toast-action:hover {
    background-color: rgba(255, 255, 255, 0.2);
}
/* ==========================================================================
   DAY 4 - PART 1: CHECKOUT PAGE UI
   ========================================================================== */

/* Checkout Grid Layout */
.checkout-layout {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-xl);
    align-items: start;
    padding-top: 1rem;
}

/* Form Sections */
.checkout-form-section {
    margin-bottom: 2.5rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid var(--color-border);
}

.checkout-form-section:last-of-type {
    border-bottom: none;
    margin-bottom: 1rem;
    padding-bottom: 0;
}

.checkout-form-section .heading-3 {
    margin-bottom: 1.5rem;
    font-size: 1.35rem;
}

/* Form Groups & Inputs */
.form-group {
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-charcoal);
    margin-bottom: 0.5rem;
}

.form-label .required {
    color: #EF4444; /* Subtle Red asterisk */
    margin-left: 2px;
}

.form-input, .form-textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-charcoal);
    background-color: var(--color-white);
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input::placeholder, .form-textarea::placeholder {
    color: #A3A3A3;
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-input:focus, .form-textarea:focus {
    border-color: var(--color-charcoal);
    box-shadow: 0 0 0 2px rgba(34, 34, 34, 0.05);
}

/* Placeholder for Order Items (Part 2 Prep) */
.checkout-summary-items {
    max-height: 50vh;
    overflow-y: auto;
    padding-right: 0.5rem;
    margin-bottom: 1rem;
    /* Custom Scrollbar for summary */
    scrollbar-width: thin;
    scrollbar-color: var(--color-border) transparent;
}
.checkout-summary-items::-webkit-scrollbar {
    width: 4px;
}
.checkout-summary-items::-webkit-scrollbar-thumb {
    background-color: var(--color-border);
    border-radius: 4px;
}

/* Responsive Overrides */
@media (max-width: 1024px) {
    .checkout-layout {
        gap: var(--space-lg);
    }
}

@media (max-width: 768px) {
    .checkout-layout {
        grid-template-columns: 1fr;
    }
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    .checkout-form-section {
        margin-bottom: 2rem;
        padding-bottom: 2rem;
    }
}
/* ==========================================================================
   DAY 4 - PART 2: DYNAMIC CHECKOUT SUMMARY ITEMS
   ========================================================================== */

.checkout-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-border);
}

.checkout-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.checkout-item-img {
    width: 64px;
    height: 64px;
    background-color: var(--color-ivory);
    border-radius: var(--border-radius-sm);
    flex-shrink: 0;
    position: relative;
}

.checkout-item-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--border-radius-sm);
}

/* Premium Badge for Quantity overlay on image */
.checkout-item-qty-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background-color: var(--color-charcoal);
    color: var(--color-white);
    font-size: 0.7rem;
    font-weight: 600;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.checkout-item-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.checkout-item-name {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--color-charcoal);
}

.checkout-item-category {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
}

.checkout-item-price {
    font-size: 0.9rem;
    color: var(--color-wood-brown);
    font-weight: 500;
    text-align: right;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.checkout-item-unit-price {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    font-weight: 400;
}
/* ==========================================================================
   DAY 4 - PART 3: FORM VALIDATION STYLES
   ========================================================================== */

.form-input.invalid, .form-textarea.invalid {
    border-color: #EF4444;
    background-color: #FEF2F2;
}

.form-input.invalid:focus, .form-textarea.invalid:focus {
    box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.1);
}

.form-error {
    display: block;
    color: #EF4444;
    font-size: 0.8rem;
    margin-top: 6px;
    min-height: 18px; /* Prevents layout jump when error appears */
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.form-error.active {
    opacity: 1;
}

.form-global-message {
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius-sm);
    margin-bottom: 2rem;
    font-weight: 500;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-global-message.success {
    background-color: #ECFDF5;
    color: #065F46;
    border: 1px solid #A7F3D0;
}

.form-global-message.error {
    background-color: #FEF2F2;
    color: #991B1B;
    border: 1px solid #FECACA;
}
/* ==========================================================================
   DAY 4 - PART 4: SUCCESS PAGE & INVOICE
   ========================================================================== */

/* Success Hero */
.success-hero {
    padding: var(--space-xl) 0 var(--space-md);
    background-color: var(--color-ivory);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-lg);
}

.success-icon {
    width: 80px;
    height: 80px;
    background-color: #25D366; /* Success Green */
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.3);
}

/* Invoice Card */
.invoice-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    padding: 3rem;
    box-shadow: var(--shadow-soft);
    margin: 0 auto;
    max-width: 900px;
}

.invoice-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    border-bottom: 2px solid var(--color-ivory);
    padding-bottom: 2rem;
    margin-bottom: 2rem;
}

.invoice-subtitle {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.invoice-meta {
    font-size: 0.95rem;
    color: var(--color-charcoal);
    margin-bottom: 4px;
}

.invoice-customer {
    margin-bottom: 2.5rem;
    line-height: 1.5;
}

/* Responsive Table Wrapper */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-bottom: 2.5rem;
}

.invoice-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 500px; /* Forces scroll on tiny devices rather than breaking text */
}

.invoice-table th, .invoice-table td {
    padding: 1.25rem 1rem;
    border-bottom: 1px solid var(--color-ivory);
    text-align: left;
}

.invoice-table th {
    background-color: var(--color-ivory);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
}

.invoice-totals {
    width: 100%;
    max-width: 400px;
    margin-left: auto;
}

.invoice-totals-row {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    font-size: 1rem;
}

.invoice-totals-row.grand-total {
    border-top: 2px solid var(--color-ivory);
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 0.5rem;
    padding-top: 1.25rem;
}

.invoice-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}

/* ==========================================================================
   PRINT STYLESHEET
   ========================================================================== */
@media print {
    /* Hide everything irrelevant to the paper invoice */
    .hide-print, .toast-container, .menu-overlay { 
        display: none !important; 
    }
    
    body {
        background-color: white !important;
        margin: 0;
        padding: 0;
    }
    
    .main-content {
        padding-top: 0 !important;
    }

    .invoice-card {
        border: none !important;
        box-shadow: none !important;
        padding: 0 !important;
        max-width: 100% !important;
    }

    .invoice-header {
        border-bottom: 2px solid #EEEEEE;
    }
    
    .invoice-table th {
        background-color: #F8F8F8 !important;
        -webkit-print-color-adjust: exact; 
        print-color-adjust: exact;
    }
}

/* Mobile Overrides for Invoice */
@media (max-width: 768px) {
    .invoice-card {
        padding: 1.5rem;
    }
    .invoice-header {
        flex-direction: column;
        gap: 1.5rem;
    }
    .invoice-header > div:last-child {
        text-align: left !important;
    }
    .invoice-totals {
        max-width: 100%;
    }
}
/* ==========================================================================
   DAY 4 - PART 4: SUCCESS PAGE & PRINT INVOICE
   ========================================================================== */

.success-hero {
    padding: var(--space-xl) 0 var(--space-md);
    background-color: var(--color-ivory);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-lg);
}

.success-icon {
    width: 80px;
    height: 80px;
    background-color: #25D366; 
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.3);
}

.invoice-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    padding: 3rem;
    box-shadow: var(--shadow-soft);
    margin: 0 auto;
    max-width: 900px;
}

.invoice-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    border-bottom: 2px solid var(--color-ivory);
    padding-bottom: 2rem;
    margin-bottom: 2rem;
}

.invoice-subtitle {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.invoice-meta {
    font-size: 0.95rem;
    color: var(--color-charcoal);
    margin-bottom: 4px;
}

.invoice-customer {
    margin-bottom: 2.5rem;
    line-height: 1.5;
}

.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-bottom: 2.5rem;
}

.invoice-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 500px; /* Forces scroll on tiny devices rather than breaking text */
}

.invoice-table th, .invoice-table td {
    padding: 1.25rem 1rem;
    border-bottom: 1px solid var(--color-ivory);
    text-align: left;
}

.invoice-table th {
    background-color: var(--color-ivory);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
}

.invoice-totals {
    width: 100%;
    max-width: 400px;
    margin-left: auto;
}

.invoice-totals-row {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    font-size: 1rem;
}

.invoice-totals-row.grand-total {
    border-top: 2px solid var(--color-ivory);
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 0.5rem;
    padding-top: 1.25rem;
}

.invoice-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}

/* ==========================================================================
   PRINT STYLESHEET
   ========================================================================== */
@media print {
    .hide-print, .toast-container, .menu-overlay { 
        display: none !important; 
    }
    
    body {
        background-color: white !important;
        margin: 0;
        padding: 0;
    }
    
    .main-content {
        padding-top: 0 !important;
    }

    .invoice-card {
        border: none !important;
        box-shadow: none !important;
        padding: 0 !important;
        max-width: 100% !important;
    }

    .invoice-header {
        border-bottom: 2px solid #EEEEEE;
    }
    
    .invoice-table th {
        background-color: #F8F8F8 !important;
        -webkit-print-color-adjust: exact; 
        print-color-adjust: exact;
    }
}

/* Mobile Overrides for Invoice */
@media (max-width: 768px) {
    .invoice-card {
        padding: 1.5rem;
    }
    .invoice-header {
        flex-direction: column;
        gap: 1.5rem;
    }
    .invoice-header > div:last-child {
        text-align: left !important;
    }
    .invoice-totals {
        max-width: 100%;
    }
}
/* ==========================================================================
   DAY 5 - PART 1: WHATSAPP BUTTON & ACTION ALIGNMENT
   ========================================================================== */

.invoice-actions-container {
    margin-top: 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.whatsapp-status-msg {
    color: #991B1B;
    background-color: #FEF2F2;
    border: 1px solid #FECACA;
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    max-width: 100%;
}

.invoice-actions {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    width: 100%;
}

.btn-whatsapp {
    background-color: #25D366; 
    color: var(--color-white);
    border: 1px solid #25D366;
}

.btn-whatsapp:hover {
    background-color: #128C7E;
    border-color: #128C7E;
    color: var(--color-white);
}

/* Print CSS Update (Ensures actions container doesn't show up on print) */
@media print {
    .invoice-actions-container { display: none !important; }
}

/* Mobile Overrides: Stack Buttons Vertically */
@media (max-width: 768px) {
    .invoice-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .invoice-actions .btn {
        width: 100%;
        margin: 0;
    }
}