/* ═══════════════════════════════════════════════════════
   NatureWeave — Design System & Global Styles
   Inspired by Premier Yarns aesthetic
   ═══════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&family=Inter:wght@300;400;500;600;700&display=swap');

/* ─── CSS Variables ─── */
:root {
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --color-bg: #ffffff;
  --color-bg-alt: #f8f7f5;
  --color-bg-dark: #1a1a2e;
  --color-text: #2c2c2c;
  --color-text-light: #6b6b6b;
  --color-text-muted: #999;
  --color-primary: #c2185b;
  --color-primary-dark: #a01148;
  --color-accent: #d4a574;
  --color-accent-light: #f0e6d9;
  --color-border: #e8e4e0;
  --color-border-light: #f0ece8;
  --color-success: #2d6a4f;
  --color-error: #d32f2f;
  --color-navy: #16213e;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1320px;
  --header-height: 72px;
}

/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font-body); color: var(--color-text); background: var(--color-bg); line-height: 1.6; overflow-x: hidden; }
body.nav-open { overflow: hidden; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; border: none; background: none; font-family: var(--font-body); }
ul, ol { list-style: none; }
input, textarea, select { font-family: var(--font-body); font-size: 1rem; }
h1,h2,h3,h4,h5,h6 { font-family: var(--font-heading); font-weight: 600; line-height: 1.2; }

/* ─── Utilities ─── */
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-title { font-size: 2rem; text-align: center; margin-bottom: 12px; }
.section-subtitle { text-align: center; color: var(--color-text-light); margin-bottom: 48px; font-size: 1.05rem; }
.text-center { text-align: center; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* ─── Buttons ─── */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 28px; font-size: 0.85rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; border-radius: var(--radius-sm); transition: all var(--transition); }
.btn-primary { background: var(--color-navy); color: #fff; }
.btn-primary:hover { background: #0d1529; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-outline { border: 2px solid var(--color-navy); color: var(--color-navy); }
.btn-outline:hover { background: var(--color-navy); color: #fff; }
.btn-add-cart { background: var(--color-navy); color: #fff; padding: 8px 14px; font-size: 0.78rem; border-radius: var(--radius-sm); gap: 5px; }
.btn-add-cart:hover { background: var(--color-primary); transform: translateY(-1px); }

/* ─── Announcement Bar ─── */
.announcement-bar { background: var(--color-navy); color: #fff; text-align: center; padding: 10px 16px; font-size: 0.82rem; letter-spacing: 0.06em; position: relative; transition: transform 0.3s ease; }
.announcement-bar a { color: #fff; text-decoration: underline; font-weight: 600; margin-left: 6px; }
.announcement-close { position: absolute; right: 16px; top: 50%; transform: translateY(-50%); color: #fff; opacity: 0.7; font-size: 18px; }
.announcement-close:hover { opacity: 1; }

/* ─── Header ─── */
.site-header { background: var(--color-bg); border-bottom: 1px solid var(--color-border-light); position: sticky; top: 0; z-index: 1000; transition: box-shadow var(--transition); }
.site-header.scrolled { box-shadow: var(--shadow-sm); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-height); }
.header-left { display: flex; align-items: center; gap: 16px; }

#mobile-menu-toggle { display: none; width: 28px; height: 28px; flex-direction: column; justify-content: center; gap: 5px; }
#mobile-menu-toggle span { display: block; width: 100%; height: 2px; background: var(--color-text); transition: var(--transition); }
#mobile-menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
#mobile-menu-toggle.active span:nth-child(2) { opacity: 0; }
#mobile-menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.logo { font-family: var(--font-heading); font-size: 1.8rem; font-weight: 700; color: var(--color-text); letter-spacing: -0.01em; }
.logo span { color: var(--color-primary); }

.header-actions { display: flex; align-items: center; gap: 20px; }
.header-action { position: relative; color: var(--color-text); display: flex; align-items: center; }
.header-action:hover { color: var(--color-primary); }
.cart-badge { position: absolute; top: -6px; right: -8px; background: var(--color-primary); color: #fff; font-size: 0.65rem; font-weight: 700; width: 18px; height: 18px; border-radius: 50%; display: none; align-items: center; justify-content: center; }

/* ─── Navigation ─── */
.main-nav { background: var(--color-bg); border-bottom: 1px solid var(--color-border-light); }
.nav-list { display: flex; justify-content: center; gap: 0; }
.nav-list a { display: block; padding: 14px 22px; font-size: 0.82rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-text); transition: all var(--transition); position: relative; }
.nav-list a::after { content: ''; position: absolute; bottom: 0; left: 50%; width: 0; height: 2px; background: var(--color-primary); transition: all var(--transition); transform: translateX(-50%); }
.nav-list a:hover, .nav-list a.active { color: var(--color-primary); }
.nav-list a:hover::after, .nav-list a.active::after { width: 60%; }
.nav-list .nav-sale { color: var(--color-primary); }

/* ─── Nav Overlay ─── */
.nav-overlay { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.5); z-index: 999; opacity: 0; transition: opacity 0.3s; }
.nav-overlay.active { opacity: 1; }

/* ─── Search Overlay ─── */
.search-overlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(255,255,255,0.97); z-index: 2000; display: flex; flex-direction: column; align-items: center; padding-top: 120px; opacity: 0; visibility: hidden; transition: all 0.3s ease; backdrop-filter: blur(10px); }
.search-overlay.active { opacity: 1; visibility: visible; }
.search-overlay-inner { width: 100%; max-width: 640px; padding: 0 24px; }
.search-overlay-inner input { width: 100%; border: none; border-bottom: 2px solid var(--color-text); padding: 16px 0; font-size: 1.5rem; font-family: var(--font-heading); outline: none; background: transparent; }
#search-close { position: absolute; top: 32px; right: 32px; font-size: 24px; color: var(--color-text); }
#search-results { margin-top: 24px; }
.search-result-item { display: flex; align-items: center; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--color-border-light); }
.search-result-item img { width: 48px; height: 48px; object-fit: cover; border-radius: var(--radius-sm); }
.search-result-item strong { display: block; font-size: 0.95rem; }
.search-result-item span { color: var(--color-text-light); font-size: 0.85rem; }
.search-result-item:hover { background: var(--color-bg-alt); }
.search-view-all { display: block; text-align: center; padding: 16px; color: var(--color-primary); font-weight: 600; }
.search-hint, .search-no-results { color: var(--color-text-muted); padding: 24px 0; text-align: center; }

/* ─── Hero Slider ─── */
.hero-slider { position: relative; height: 520px; overflow: hidden; background: var(--color-bg-alt); }
.hero-slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity 0.8s ease, visibility 0.8s ease; display: flex; align-items: center; }
.hero-slide.active { opacity: 1; visibility: visible; }
.hero-slide-content { position: relative; z-index: 2; max-width: 560px; padding: 60px; }
.hero-slide-content h1 { font-size: 3rem; margin-bottom: 16px; line-height: 1.1; }
.hero-slide-content p { font-size: 1.1rem; color: var(--color-text-light); margin-bottom: 28px; line-height: 1.6; }
.hero-slide-bg { position: absolute; right: 0; top: 0; bottom: 0; width: 55%; }
.hero-slide-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-slide-bg::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 200px; background: linear-gradient(to right, var(--color-bg-alt), transparent); z-index: 1; }
.hero-controls { position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; z-index: 10; }
.hero-dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(0,0,0,0.2); cursor: pointer; transition: var(--transition); }
.hero-dot.active { background: var(--color-primary); width: 28px; border-radius: 5px; }
.hero-prev, .hero-next { position: absolute; top: 50%; transform: translateY(-50%); z-index: 10; width: 44px; height: 44px; border-radius: 50%; background: rgba(255,255,255,0.9); display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-md); transition: var(--transition); }
.hero-prev { left: 20px; }
.hero-next { right: 20px; }
.hero-prev:hover, .hero-next:hover { background: #fff; box-shadow: var(--shadow-lg); }

/* ─── Category Banners ─── */
.category-banners { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.category-banner { position: relative; overflow: hidden; border-radius: var(--radius-md); height: 280px; cursor: pointer; }
.category-banner img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.category-banner:hover img { transform: scale(1.05); }
.category-banner-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,0.6), transparent 60%); display: flex; flex-direction: column; justify-content: flex-end; padding: 28px; color: #fff; }
.category-banner-overlay h3 { font-size: 1.5rem; margin-bottom: 4px; }
.category-banner-overlay span { font-size: 0.85rem; opacity: 0.85; }

/* ─── Product Grid ─── */
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.product-card { background: #fff; border-radius: var(--radius-md); overflow: hidden; transition: all var(--transition); border: 1px solid var(--color-border-light); }
.product-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: transparent; }
.product-card-link { display: block; }
.product-card-image { position: relative; aspect-ratio: 1; overflow: hidden; background: var(--color-bg-alt); display: flex; align-items: center; justify-content: center; padding: 20px; }
.product-card-image img { width: 85%; height: 85%; object-fit: contain; transition: transform 0.5s ease; }
.product-card:hover .product-card-image img { transform: scale(1.08); }
.product-card-overlay { position: absolute; inset: 0; background: rgba(26,26,46,0.08); display: flex; align-items: center; justify-content: center; opacity: 0; transition: opacity var(--transition); }
.product-card-overlay span { background: #fff; padding: 10px 20px; border-radius: var(--radius-sm); font-size: 0.82rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; box-shadow: var(--shadow-md); }
.product-card:hover .product-card-overlay { opacity: 1; }
.product-badge { position: absolute; top: 12px; left: 12px; padding: 4px 10px; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.08em; border-radius: var(--radius-sm); z-index: 2; }
.badge-new { background: var(--color-success); color: #fff; }
.badge-sale { background: var(--color-primary); color: #fff; }
.product-card-info { padding: 16px 18px 20px; }
.product-card-name { display: block; }
.product-card-name h3 { font-family: var(--font-body); font-size: 0.92rem; font-weight: 600; margin-bottom: 4px; line-height: 1.3; }
.product-card-code { font-size: 0.78rem; color: var(--color-text-muted); margin-bottom: 12px; }
.product-card-bottom { display: flex; align-items: center; justify-content: space-between; }
.product-card-price { font-size: 1.05rem; font-weight: 700; color: var(--color-text); }

/* ─── Shop Page ─── */
.shop-header { padding: 40px 0 20px; text-align: center; }
.shop-header h1 { font-size: 2.2rem; margin-bottom: 8px; }
.shop-controls { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; margin-bottom: 32px; padding-bottom: 20px; border-bottom: 1px solid var(--color-border-light); }
.filter-group { display: flex; flex-wrap: wrap; gap: 6px; }
.filter-btn { padding: 8px 16px; font-size: 0.8rem; font-weight: 500; border-radius: 20px; border: 1px solid var(--color-border); color: var(--color-text-light); transition: all var(--transition); }
.filter-btn:hover, .filter-btn.active { background: var(--color-navy); color: #fff; border-color: var(--color-navy); }
.shop-sort-search { display: flex; gap: 12px; align-items: center; }
.shop-sort-search select, .shop-sort-search input { padding: 8px 14px; border: 1px solid var(--color-border); border-radius: var(--radius-sm); font-size: 0.85rem; background: #fff; }
.shop-sort-search input { width: 200px; }
#result-count { font-size: 0.85rem; color: var(--color-text-muted); }
.no-results { grid-column: 1 / -1; text-align: center; padding: 80px 20px; color: var(--color-text-muted); }
.no-results svg { margin-bottom: 16px; opacity: 0.4; }
.no-results h3 { font-family: var(--font-body); margin-bottom: 8px; }

/* ─── Product Detail ─── */
.product-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; padding: 48px 0 80px; }
.product-image-wrap { background: var(--color-bg-alt); border-radius: var(--radius-lg); padding: 40px; display: flex; align-items: center; justify-content: center; aspect-ratio: 1; }
.product-image-wrap img { max-width: 80%; max-height: 80%; object-fit: contain; }
.product-info h1 { font-size: 2rem; margin-bottom: 8px; }
.product-info .product-code { color: var(--color-text-muted); font-size: 0.9rem; margin-bottom: 20px; }
.product-info .product-price { font-size: 1.8rem; font-weight: 700; color: var(--color-primary); margin-bottom: 24px; }
.product-info .product-desc { color: var(--color-text-light); line-height: 1.7; margin-bottom: 28px; padding-bottom: 28px; border-bottom: 1px solid var(--color-border-light); }
.quantity-selector { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; }
.quantity-selector label { font-weight: 600; font-size: 0.9rem; }
.qty-controls { display: flex; align-items: center; border: 1px solid var(--color-border); border-radius: var(--radius-sm); }
.qty-btn { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; color: var(--color-text); transition: var(--transition); }
.qty-btn:hover { background: var(--color-bg-alt); }
.qty-value { width: 48px; text-align: center; font-weight: 600; font-size: 1rem; border-left: 1px solid var(--color-border); border-right: 1px solid var(--color-border); height: 40px; line-height: 40px; }
.btn-add-to-cart { width: 100%; padding: 16px; font-size: 0.95rem; }
.trust-badges { display: flex; gap: 24px; margin-top: 24px; padding-top: 24px; border-top: 1px solid var(--color-border-light); }
.trust-badge { display: flex; align-items: center; gap: 8px; font-size: 0.82rem; color: var(--color-text-light); }
.trust-badge svg { flex-shrink: 0; color: var(--color-success); }

/* ─── Specs ─── */
.specs-section { margin-top: 32px; }
.specs-section h3 { font-family: var(--font-body); font-size: 0.95rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 16px; }
.spec-item { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--color-border-light); font-size: 0.9rem; }
.spec-label { color: var(--color-text-light); }
.spec-value { font-weight: 500; }

/* ─── Cart Page ─── */
.cart-layout { display: grid; grid-template-columns: 1fr 380px; gap: 40px; padding: 40px 0 80px; align-items: start; }
.cart-item { display: grid; grid-template-columns: 80px 1fr auto auto auto; gap: 20px; align-items: center; padding: 20px 0; border-bottom: 1px solid var(--color-border-light); }
.cart-item-image img { width: 80px; height: 80px; object-fit: contain; border-radius: var(--radius-sm); background: var(--color-bg-alt); padding: 8px; }
.cart-item-name { font-family: var(--font-body); font-size: 0.95rem; font-weight: 600; }
.cart-item-code { font-size: 0.8rem; color: var(--color-text-muted); margin-top: 4px; }
.cart-item-price { font-size: 0.9rem; color: var(--color-text-light); }
.cart-item-quantity { display: flex; align-items: center; border: 1px solid var(--color-border); border-radius: var(--radius-sm); }
.cart-item-total { font-weight: 700; font-size: 1rem; }
.cart-item-remove { color: var(--color-text-muted); transition: var(--transition); }
.cart-item-remove:hover { color: var(--color-error); }

/* ─── Cart Summary ─── */
#cart-summary { background: var(--color-bg-alt); border-radius: var(--radius-md); padding: 28px; position: sticky; top: calc(var(--header-height) + 60px); }
.summary-title { font-family: var(--font-body); font-size: 1.1rem; font-weight: 700; margin-bottom: 20px; text-transform: uppercase; letter-spacing: 0.05em; }
.summary-row { display: flex; justify-content: space-between; padding: 8px 0; font-size: 0.95rem; }
.summary-total { font-weight: 700; font-size: 1.15rem; padding: 16px 0 0; }
.summary-divider { height: 1px; background: var(--color-border); margin: 12px 0; }
.free-shipping { color: var(--color-success); font-weight: 600; }
.shipping-progress { margin: 12px 0; }
.shipping-progress-bar { height: 4px; background: var(--color-border); border-radius: 2px; overflow: hidden; }
.shipping-progress-fill { height: 100%; background: var(--color-success); border-radius: 2px; transition: width 0.5s ease; }
.shipping-progress-text { font-size: 0.8rem; color: var(--color-success); margin-top: 6px; }
.btn-checkout { width: 100%; margin-top: 20px; padding: 16px; font-size: 0.95rem; }
.continue-shopping { display: block; text-align: center; margin-top: 16px; color: var(--color-text-light); font-size: 0.85rem; }
.continue-shopping:hover { color: var(--color-primary); }

/* ─── Checkout Methods ─── */
.checkout-methods { margin-top: 20px; }
.checkout-methods-label { font-size: 0.82rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-text-muted); margin-bottom: 12px; text-align: center; }
.btn-stripe-checkout { width: 100%; padding: 14px; background: #635bff; color: #fff; font-size: 0.9rem; font-weight: 600; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; gap: 10px; transition: all var(--transition); margin-bottom: 10px; }
.btn-stripe-checkout:hover { background: #4b44d4; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-stripe-checkout svg { flex-shrink: 0; }
.btn-paypal-fallback { width: 100%; padding: 13px; background: #ffc439; color: #253B80; font-size: 0.9rem; font-weight: 700; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; gap: 10px; transition: all var(--transition); border: 1px solid #e5a800; }
.btn-paypal-fallback:hover { background: #f0b72b; transform: translateY(-1px); box-shadow: var(--shadow-md); }
#paypal-button-container { min-height: 45px; }
.checkout-divider { position: relative; text-align: center; margin: 16px 0; }
.checkout-divider::before { content: ''; position: absolute; top: 50%; left: 0; right: 0; height: 1px; background: var(--color-border); }
.checkout-divider span { position: relative; background: var(--color-bg-alt); padding: 0 12px; font-size: 0.8rem; color: var(--color-text-muted); }
.secure-checkout { display: flex; align-items: center; justify-content: center; gap: 6px; margin-top: 16px; font-size: 0.78rem; color: var(--color-text-muted); }
.secure-checkout svg { color: var(--color-success); }

/* ─── Checkout Modal ─── */
.checkout-modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 3000; display: flex; align-items: center; justify-content: center; padding: 20px; backdrop-filter: blur(4px); animation: fadeIn 0.2s ease; }
.checkout-modal { background: #fff; border-radius: var(--radius-lg); padding: 36px; max-width: 480px; width: 100%; position: relative; box-shadow: var(--shadow-xl); animation: slideUp 0.3s ease; max-height: 90vh; max-height: 90dvh; overflow-y: auto; }
.checkout-modal-close { position: absolute; top: 16px; right: 16px; font-size: 24px; color: var(--color-text-muted); transition: var(--transition); z-index: 1; }
.checkout-modal-close:hover { color: var(--color-text); }
.checkout-modal h2 { font-size: 1.4rem; margin-bottom: 16px; }
.checkout-modal-total { font-size: 1.3rem; margin-bottom: 16px; padding: 12px 0; border-bottom: 1px solid var(--color-border-light); }
.checkout-modal-items { margin-bottom: 20px; }
.checkout-modal-item { display: flex; justify-content: space-between; font-size: 0.9rem; padding: 6px 0; color: var(--color-text-light); }
.checkout-modal-info { font-size: 0.9rem; color: var(--color-text-light); line-height: 1.6; }
.checkout-modal-note { font-size: 0.82rem; color: var(--color-text-muted); text-align: center; margin-top: 12px; }
.checkout-form-fields { display: flex; flex-direction: column; gap: 10px; }
.checkout-form-fields input { padding: 12px 14px; border: 1px solid var(--color-border); border-radius: var(--radius-sm); font-size: 0.92rem; outline: none; transition: border-color var(--transition); width: 100%; }
.checkout-form-fields input:focus { border-color: var(--color-primary); }
.checkout-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.btn-spinner { display: inline-block; width: 18px; height: 18px; border: 2px solid rgba(255,255,255,0.3); border-top-color: #fff; border-radius: 50%; animation: spin 0.6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* ─── Empty Cart ─── */
#empty-cart { display: none; flex-direction: column; align-items: center; justify-content: center; padding: 80px 20px; text-align: center; }
#empty-cart svg { margin-bottom: 24px; color: var(--color-text-muted); opacity: 0.4; }
#empty-cart h2 { font-size: 1.5rem; margin-bottom: 8px; }
#empty-cart p { color: var(--color-text-light); margin-bottom: 24px; }

/* ─── Breadcrumb ─── */
.breadcrumb { padding: 16px 0; font-size: 0.82rem; color: var(--color-text-muted); }
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb span { margin: 0 8px; }

/* ─── Why Choose Us ─── */
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.feature-card { text-align: center; padding: 32px 20px; }
.feature-icon { width: 56px; height: 56px; margin: 0 auto 16px; background: var(--color-accent-light); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--color-accent); }
.feature-card h3 { font-family: var(--font-body); font-size: 0.95rem; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 0.85rem; color: var(--color-text-light); }

/* ─── About Split ─── */
.about-split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-split-content h2 { font-size: 2rem; margin-bottom: 16px; }
.about-split-content p { color: var(--color-text-light); margin-bottom: 16px; line-height: 1.7; }

/* ─── Newsletter ─── */
.newsletter-section { background: var(--color-bg-dark); color: #fff; text-align: center; }
.newsletter-section h2 { color: #fff; font-size: 1.8rem; margin-bottom: 8px; }
.newsletter-section p { color: rgba(255,255,255,0.7); margin-bottom: 28px; }
.newsletter-form { display: flex; max-width: 500px; margin: 0 auto; border-radius: var(--radius-sm); overflow: hidden; }
.newsletter-form input { flex: 1; padding: 14px 20px; border: none; font-size: 0.95rem; outline: none; }
.newsletter-form button { padding: 14px 28px; background: var(--color-primary); color: #fff; font-weight: 700; font-size: 0.82rem; letter-spacing: 0.08em; text-transform: uppercase; border: none; transition: var(--transition); white-space: nowrap; }
.newsletter-form button:hover { background: var(--color-primary-dark); }

/* ─── Footer ─── */
.site-footer { background: var(--color-bg-alt); border-top: 1px solid var(--color-border); }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr) 1.5fr; gap: 40px; padding: 60px 0 40px; }
.footer-col h4 { font-family: var(--font-body); font-size: 0.82rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 20px; }
.footer-col a { display: block; font-size: 0.88rem; color: var(--color-text-light); padding: 4px 0; }
.footer-col a:hover { color: var(--color-primary); }
.footer-brand p { font-size: 0.88rem; color: var(--color-text-light); line-height: 1.6; margin-top: 12px; }
.footer-social { display: flex; gap: 12px; margin-top: 20px; }
.footer-social a { width: 36px; height: 36px; border-radius: 50%; background: var(--color-border); display: flex; align-items: center; justify-content: center; color: var(--color-text-light); transition: var(--transition); }
.footer-social a:hover { background: var(--color-primary); color: #fff; }
.footer-bottom { border-top: 1px solid var(--color-border); padding: 20px 0; display: flex; justify-content: space-between; align-items: center; font-size: 0.82rem; color: var(--color-text-muted); }

/* ─── Cart Notification ─── */
.cart-notification { position: fixed; top: -80px; left: 50%; transform: translateX(-50%); z-index: 3000; transition: top 0.4s cubic-bezier(0.4, 0, 0.2, 1); }
.cart-notification.show { top: 20px; }
.cart-notification-content { display: flex; align-items: center; gap: 12px; background: #fff; padding: 14px 24px; border-radius: var(--radius-md); box-shadow: var(--shadow-xl); border: 1px solid var(--color-border-light); font-size: 0.9rem; }
.cart-notification-content svg { color: var(--color-success); flex-shrink: 0; }
.cart-notification-link { color: var(--color-primary); font-weight: 600; margin-left: 8px; white-space: nowrap; }

/* ─── Content Pages ─── */
.page-header { background: var(--color-bg-alt); padding: 48px 0; text-align: center; border-bottom: 1px solid var(--color-border-light); }
.page-header h1 { font-size: 2.2rem; margin-bottom: 8px; }
.page-header p { color: var(--color-text-light); }
.page-content { max-width: 800px; margin: 0 auto; padding: 48px 24px 80px; }
.page-content h2 { font-size: 1.4rem; margin: 32px 0 12px; }
.page-content p { color: var(--color-text-light); line-height: 1.8; margin-bottom: 16px; }
.page-content ul { margin-left: 20px; margin-bottom: 16px; }
.page-content li { color: var(--color-text-light); padding: 4px 0; position: relative; padding-left: 16px; }
.page-content li::before { content: '•'; position: absolute; left: 0; color: var(--color-primary); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; max-width: 900px; margin: 0 auto; }
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.contact-form input, .contact-form textarea, .contact-form select { padding: 12px 16px; border: 1px solid var(--color-border); border-radius: var(--radius-sm); font-size: 0.95rem; outline: none; transition: border-color var(--transition); }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--color-primary); }
.contact-form textarea { height: 150px; resize: vertical; }
.contact-info-card { background: var(--color-bg-alt); padding: 32px; border-radius: var(--radius-md); }
.contact-info-item { display: flex; gap: 12px; margin-bottom: 24px; }
.contact-info-item svg { flex-shrink: 0; color: var(--color-primary); margin-top: 2px; }
.contact-info-item h4 { font-family: var(--font-body); font-size: 0.9rem; font-weight: 600; margin-bottom: 4px; }
.contact-info-item p { font-size: 0.85rem; color: var(--color-text-light); }

.faq-item { border-bottom: 1px solid var(--color-border-light); }
.faq-question { width: 100%; text-align: left; padding: 20px 0; font-size: 1rem; font-weight: 600; display: flex; justify-content: space-between; align-items: center; cursor: pointer; }
.faq-question svg { transition: transform var(--transition); flex-shrink: 0; }
.faq-item.open .faq-question svg { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-answer-inner { padding: 0 0 20px; color: var(--color-text-light); line-height: 1.7; font-size: 0.95rem; }
.faq-item.open .faq-answer { max-height: 500px; }

/* ─── Responsive ─── */
@media (max-width: 1024px) {
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: repeat(3, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .cart-layout { grid-template-columns: 1fr; }
  .product-detail { grid-template-columns: 1fr; gap: 32px; }
  .product-image-wrap { max-height: 480px; aspect-ratio: auto; }
}

@media (max-width: 768px) {
  :root { --header-height: 60px; }
  .container { padding: 0 16px; }
  .section { padding: 48px 0; }
  .section-title { font-size: 1.5rem; }
  .section-subtitle { font-size: 0.95rem; margin-bottom: 32px; }

  /* ── Announcement Bar ── */
  .announcement-bar { font-size: 0.75rem; padding: 8px 40px 8px 12px; line-height: 1.4; }
  .announcement-close { right: 10px; }

  /* ── Header ── */
  .logo { font-size: 1.5rem; }
  .header-actions { gap: 14px; }

  /* ── Mobile Nav ── */
  #mobile-menu-toggle { display: flex; }
  .main-nav { position: fixed; top: 0; left: -100%; width: 280px; height: 100vh; height: 100dvh; background: #fff; z-index: 1000; transition: left 0.3s ease; padding-top: 60px; overflow-y: auto; box-shadow: var(--shadow-xl); }
  .main-nav.open { left: 0; }
  .nav-list { flex-direction: column; }
  .nav-list a { padding: 16px 24px; border-bottom: 1px solid var(--color-border-light); font-size: 0.9rem; }
  .nav-list a::after { display: none; }
  .nav-overlay { display: block; }

  /* ── Search Overlay ── */
  .search-overlay { padding-top: 80px; }
  .search-overlay-inner input { font-size: 1.2rem; }
  #search-close { top: 20px; right: 20px; }

  /* ── Hero Slider ── */
  .hero-slider { height: auto; }
  .hero-slide { position: absolute; inset: 0; display: flex; flex-direction: row; align-items: center; }
  .hero-slide.active { position: relative; }
  .hero-slide-content { padding: 28px 20px 20px; max-width: 60%; flex-shrink: 0; z-index: 2; }
  .hero-slide-content h1 { font-size: 1.5rem; margin-bottom: 10px; }
  .hero-slide-content p { font-size: 0.85rem; margin-bottom: 16px; line-height: 1.5; }
  .hero-slide-bg { position: relative; width: 40%; height: auto; min-height: 200px; display: flex; align-items: center; justify-content: center; }
  .hero-slide-bg img { width: 100%; height: 100%; object-fit: contain !important; padding: 10px !important; }
  .hero-slide-bg::before { display: none; }
  .hero-prev, .hero-next { width: 32px; height: 32px; top: auto; bottom: 8px; transform: none; }
  .hero-prev { left: 10px; }
  .hero-next { right: 10px; }
  .hero-controls { bottom: 12px; }

  /* ── Product Grid ── */
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .product-card-overlay { display: none; }
  .product-card-info { padding: 12px 14px 16px; }

  /* ── Category Banners ── */
  .category-banners { grid-template-columns: 1fr; }
  .category-banner { height: 200px; }
  .category-banner-overlay { padding: 20px; }
  .category-banner-overlay h3 { font-size: 1.2rem; }

  /* ── Features Grid ── */
  .features-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .feature-card { padding: 24px 16px; }

  /* ── About Split ── */
  .about-split { grid-template-columns: 1fr; gap: 32px; }

  /* ── Shop Page ── */
  .shop-header { padding: 24px 0 16px; }
  .shop-header h1 { font-size: 1.6rem; }
  .shop-controls { flex-direction: column; align-items: stretch; gap: 12px; }
  .filter-group { display: flex; overflow-x: auto; flex-wrap: nowrap; gap: 6px; padding-bottom: 8px; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
  .filter-group::-webkit-scrollbar { display: none; }
  .filter-btn { white-space: nowrap; flex-shrink: 0; }
  .shop-sort-search { flex-wrap: wrap; gap: 8px; }
  .shop-sort-search input { width: 100%; }
  .shop-sort-search select { flex: 1; min-width: 0; }

  /* ── Product Detail ── */
  .product-detail { padding: 24px 0 48px; gap: 24px; }
  .product-image-wrap { padding: 24px; max-height: 360px; aspect-ratio: auto; }
  .product-info h1 { font-size: 1.5rem; }
  .product-info .product-price { font-size: 1.4rem; margin-bottom: 16px; }
  .product-info .product-desc { margin-bottom: 20px; padding-bottom: 20px; font-size: 0.9rem; }
  .trust-badges { flex-wrap: wrap; gap: 12px; }
  .trust-badge { font-size: 0.78rem; }
  .btn-add-to-cart { padding: 14px; }

  /* ── Cart ── */
  .cart-layout { grid-template-columns: 1fr; }
  .cart-item { grid-template-columns: 60px 1fr; gap: 10px; padding: 16px 0; }
  .cart-item-image img { width: 60px; height: 60px; }
  .cart-item-info { display: contents; }
  .cart-item-price { font-size: 0.85rem; }
  .cart-item-quantity { grid-column: 2; }
  .cart-item-total { grid-column: 2; font-size: 0.95rem; }
  .cart-item-remove { grid-column: 1 / -1; justify-self: end; }
  #cart-summary { position: static; border-radius: var(--radius-md); }

  /* ── Checkout Modal ── */
  .checkout-modal-overlay { padding: 12px; align-items: flex-end; }
  .checkout-modal { padding: 24px; border-radius: var(--radius-lg) var(--radius-lg) 0 0; max-height: 90vh; max-height: 90dvh; overflow-y: auto; }

  /* ── Contact ── */
  .contact-grid { grid-template-columns: 1fr; }

  /* ── Footer ── */
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-brand p { max-width: 400px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }

  /* ── Newsletter ── */
  .newsletter-section h2 { font-size: 1.4rem; }
  .newsletter-section p { font-size: 0.9rem; }

  /* ── Page Content ── */
  .page-header { padding: 32px 0; }
  .page-header h1 { font-size: 1.6rem; }
  .page-content { padding: 32px 16px 60px; }
  .page-content h2 { font-size: 1.2rem; }

  /* ── Cart Notification ── */
  .cart-notification { left: 12px; right: 12px; transform: none; }
  .cart-notification-content { font-size: 0.82rem; padding: 12px 16px; gap: 8px; }
}

@media (max-width: 480px) {
  /* ── Features Grid ── */
  .features-grid { grid-template-columns: 1fr; gap: 24px; padding: 0 10px; }

  /* ── Hero ── */
  .hero-slide-content { padding: 24px 16px 16px; max-width: 58%; }
  .hero-slide-content h1 { font-size: 1.3rem; }
  .hero-slide-content p { font-size: 0.82rem; line-height: 1.4; }
  .hero-slide-bg { width: 42%; min-height: 180px; }
  .btn { padding: 10px 20px; font-size: 0.8rem; }

  /* ── Logo ── */
  .logo { font-size: 1.3rem; }

  /* ── Product Cards ── */
  .product-grid { gap: 8px; }
  .product-card-image { padding: 12px; }
  .product-card-info { padding: 10px 12px 14px; }
  .product-card-name h3 { font-size: 0.78rem; }
  .product-card-code { font-size: 0.7rem; margin-bottom: 8px; }
  .product-card-price { font-size: 0.92rem; }
  .btn-add-cart { padding: 6px 10px; font-size: 0.72rem; }

  /* ── Footer ── */
  .footer-grid { grid-template-columns: 1fr; gap: 20px; }
  .footer-col h4 { margin-bottom: 12px; }

  /* ── Newsletter ── */
  .newsletter-form { flex-direction: column; border-radius: var(--radius-sm); }
  .newsletter-form input { border-radius: var(--radius-sm); }
  .newsletter-form button { padding: 14px; border-radius: var(--radius-sm); }
  .newsletter-section h2 { font-size: 1.2rem; }

  /* ── Product Detail ── */
  .product-image-wrap { padding: 16px; max-height: 280px; }
  .product-info h1 { font-size: 1.3rem; }
  .trust-badges { gap: 8px; }
  .trust-badge { font-size: 0.72rem; }

  /* ── Cart ── */
  .cart-item { grid-template-columns: 50px 1fr; gap: 8px; }
  .cart-item-image img { width: 50px; height: 50px; }
  .cart-item-name { font-size: 0.85rem; }
  #cart-summary { padding: 20px; }
  .summary-title { font-size: 1rem; }

  /* ── Contact ── */
  .contact-info-card { padding: 20px; }

  /* ── Features ── */
  .features-grid { grid-template-columns: 1fr; gap: 8px; }
  .feature-card { padding: 20px 16px; display: flex; flex-direction: row; text-align: left; gap: 16px; align-items: flex-start; }
  .feature-icon { margin: 0; flex-shrink: 0; width: 48px; height: 48px; }
  .feature-card h3 { margin-bottom: 4px; }

  /* ── Checkout Modal ── */
  .checkout-modal { padding: 20px; }
  .checkout-modal h2 { font-size: 1.2rem; }
}

/* ─── Very small phones (320-360px) ─── */
@media (max-width: 360px) {
  .container { padding: 0 12px; }
  .logo { font-size: 1.2rem; }
  .header-actions { gap: 10px; }
  .hero-slide-content h1 { font-size: 1.3rem; }
  .hero-slide-content p { font-size: 0.82rem; }
  .section { padding: 36px 0; }
  .section-title { font-size: 1.3rem; }
  .product-card-name h3 { font-size: 0.72rem; }
  .product-card-bottom { flex-direction: column; align-items: flex-start; gap: 6px; }
  .btn-add-cart { width: 100%; justify-content: center; }
  .footer-bottom { font-size: 0.75rem; }
}

/* ─── Touch device optimizations ─── */
@media (hover: none) and (pointer: coarse) {
  .product-card:hover { transform: none; box-shadow: none; border-color: var(--color-border-light); }
  .product-card:active { transform: scale(0.98); }
  .btn:active { transform: scale(0.97); }
  .filter-btn:active { transform: scale(0.95); }
}