:root {
  --primary-navy: #0A2540;
  --secondary-navy: #153A61;
  --accent-gold: #F2C94C;
  --accent-gold-hover: #D4AF37;
  --impact-green: #27AE60;
  --impact-green-hover: #219653;
  --bg-light: #F8F9FA;
  --text-dark: #333333;
  --text-light: #666666;
  --white: #FFFFFF;
  --border-color: #E0E0E0;
  --border-radius: 8px;
  --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  --box-shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
  --transition: all 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', sans-serif; background-color: var(--bg-light); color: var(--text-dark); line-height: 1.6; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; height: auto; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Header */
.top-bar { background-color: var(--bg-light); padding: 8px 0; font-size: 13px; color: var(--text-light); border-bottom: 1px solid var(--border-color); }
.top-bar .container { display: flex; justify-content: space-between; align-items: center; }
.top-bar-links a { margin-left: 20px; color: var(--text-dark); font-weight: 500; transition: var(--transition); }
.top-bar-links a:hover { color: var(--primary-navy); }

.main-header { background-color: var(--white); padding: 20px 0; border-bottom: 1px solid var(--border-color); position: sticky; top: 0; z-index: 1000; box-shadow: 0 2px 10px rgba(0,0,0,0.05); }
.main-header .container { display: flex; justify-content: space-between; align-items: center; }
.logo img { height: 50px; }
.search-bar { flex: 1; max-width: 500px; margin: 0 40px; position: relative; }
.search-bar input { width: 100%; padding: 12px 20px 12px 40px; border: 1px solid var(--border-color); border-radius: 50px; outline: none; transition: var(--transition); }
.search-bar i { position: absolute; left: 15px; top: 50%; transform: translateY(-50%); color: var(--text-light); }
.search-bar input:focus { border-color: var(--primary-navy); box-shadow: 0 0 0 3px rgba(10, 37, 64, 0.1); }
.header-actions { display: flex; align-items: center; gap: 24px; }
.action-item { display: flex; flex-direction: column; align-items: center; font-size: 12px; color: var(--text-dark); position: relative; cursor: pointer; transition: var(--transition); }
.action-item:hover { color: var(--primary-navy); }
.action-item i { font-size: 20px; margin-bottom: 4px; }
.cart-badge { position: absolute; top: -8px; right: 0; background-color: var(--impact-green); color: var(--white); font-size: 10px; font-weight: bold; height: 18px; width: 18px; display: flex; justify-content: center; align-items: center; border-radius: 50%; }

/* Navigation Menu */
.nav-menu { background-color: var(--primary-navy); color: var(--white); position: relative; }
.nav-menu .container { display: flex; justify-content: center; }
.hamburger { display: none; padding: 15px 20px; font-size: 24px; cursor: pointer; color: var(--white); }
.nav-links { display: flex; flex-wrap: wrap; justify-content: center; transition: max-height 0.3s ease; }
.nav-links li a { display: block; padding: 15px 20px; font-weight: 500; font-size: 15px; transition: var(--transition); }
.nav-links li a:hover { background-color: var(--secondary-navy); color: var(--accent-gold); }

/* Components */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 24px; border-radius: var(--border-radius); font-weight: 600; text-align: center; cursor: pointer; transition: var(--transition); border: none; font-size: 15px; }
.btn-primary { background-color: var(--primary-navy); color: var(--white); }
.btn-primary:hover { background-color: var(--secondary-navy); }
.btn-accent { background-color: var(--accent-gold); color: var(--primary-navy); }
.btn-accent:hover { background-color: var(--accent-gold-hover); }
.btn-impact { background-color: var(--impact-green); color: var(--white); }
.btn-impact:hover { background-color: var(--impact-green-hover); }
.btn-outline { border: 2px solid var(--primary-navy); color: var(--primary-navy); background: transparent; }
.btn-outline:hover { background-color: var(--primary-navy); color: var(--white); }
.btn-full { width: 100%; }
.btn-sm { padding: 8px 16px; font-size: 13px; }

/* Homepage Hero */
.hero { background: linear-gradient(135deg, rgba(10,37,64,0.95) 0%, rgba(21,58,97,0.95) 100%), url('https://images.unsplash.com/photo-1522202176988-66273c2fd55f?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover; color: var(--white); padding: 100px 0; text-align: center; }
.hero h1 { font-size: 48px; margin-bottom: 20px; color: var(--accent-gold); font-weight: 800; line-height: 1.2; }
.hero p { font-size: 20px; margin-bottom: 40px; max-width: 800px; margin-left: auto; margin-right: auto; opacity: 0.9; }
.hero .hero-buttons { display: flex; justify-content: center; gap: 20px; }

/* Sections */
.section { padding: 80px 0; }
.section-bg-white { background-color: var(--white); }
.section-title { font-size: 32px; color: var(--primary-navy); margin-bottom: 50px; text-align: center; font-weight: 700; position: relative; }
.section-title::after { content: ''; position: absolute; bottom: -15px; left: 50%; transform: translateX(-50%); width: 80px; height: 4px; background-color: var(--accent-gold); border-radius: 2px; }

/* Grid */
.grid { display: grid; gap: 30px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Product Card */
.product-card { background-color: var(--white); border-radius: var(--border-radius); overflow: hidden; box-shadow: var(--box-shadow); transition: var(--transition); position: relative; display: flex; flex-direction: column; height: 100%; border: 1px solid var(--border-color); }
.product-card:hover { transform: translateY(-5px); box-shadow: var(--box-shadow-hover); border-color: var(--accent-gold); }
.product-image { aspect-ratio: 4/5; width: 100%; background-color: #ffffff; display: flex; justify-content: center; align-items: center; position: relative; overflow: hidden; padding: 0; border-bottom: 1px solid var(--border-color); }
.product-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.product-card:hover .product-image img { transform: scale(1.05); }
.badge { position: absolute; top: 15px; left: 15px; padding: 6px 12px; border-radius: 4px; font-size: 11px; font-weight: 700; color: var(--white); z-index: 2; text-transform: uppercase; letter-spacing: 0.5px; }
.badge-auction { background-color: #e74c3c; }
.badge-fixed { background-color: var(--primary-navy); }
.badge-flexible { background-color: #8e44ad; }
.fav-btn { position: absolute; top: 15px; right: 15px; background: white; width: 36px; height: 36px; border-radius: 50%; display: flex; justify-content: center; align-items: center; color: #ccc; cursor: pointer; z-index: 2; box-shadow: 0 2px 8px rgba(0,0,0,0.1); transition: var(--transition); border: none; }
.fav-btn:hover, .fav-btn.active { color: #e74c3c; transform: scale(1.1); }
.product-details { padding: 20px; flex-grow: 1; display: flex; flex-direction: column; }
.store-name { font-size: 12px; color: var(--text-light); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.5px; font-weight: 600; }
.product-title { font-size: 16px; font-weight: 600; color: var(--primary-navy); margin-bottom: 12px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.product-price { font-size: 22px; font-weight: 700; color: var(--text-dark); margin-top: auto; margin-bottom: 15px; }
.price-label { font-size: 12px; font-weight: 500; color: var(--text-light); display: block; margin-bottom: 4px; }
.countdown { font-size: 13px; color: #e74c3c; font-weight: 600; margin-bottom: 10px; display: flex; align-items: center; gap: 5px; }
.impact-note { background-color: rgba(39, 174, 96, 0.1); color: var(--impact-green); padding: 8px 12px; border-radius: 4px; font-size: 12px; margin-bottom: 20px; font-weight: 600; display: flex; align-items: center; gap: 8px; }

/* Store Card */
.store-card { background-color: var(--white); border-radius: var(--border-radius); overflow: hidden; box-shadow: var(--box-shadow); transition: var(--transition); text-align: center; padding: 40px 20px; border: 1px solid var(--border-color); position: relative; }
.store-card::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 6px; background-color: var(--accent-gold); }
.store-card:hover { transform: translateY(-5px); box-shadow: var(--box-shadow-hover); border-color: var(--accent-gold); }
.store-logo { width: 110px; height: 110px; border-radius: 50%; background-color: var(--white); margin: 0 auto 20px; display: flex; justify-content: center; align-items: center; font-weight: bold; color: var(--primary-navy); border: 4px solid var(--bg-light); box-shadow: 0 4px 10px rgba(0,0,0,0.05); overflow: hidden; }
.store-logo img { max-width: 80%; max-height: 80%; object-fit: contain; }
.store-name-title { font-size: 20px; font-weight: 700; color: var(--primary-navy); margin-bottom: 8px; }
.store-type { font-size: 13px; color: var(--accent-gold); font-weight: 700; margin-bottom: 15px; text-transform: uppercase; letter-spacing: 0.5px; }
.store-desc { font-size: 14px; color: var(--text-light); margin-bottom: 25px; line-height: 1.5; }
.store-stats { display: flex; justify-content: space-around; margin-bottom: 25px; padding-top: 20px; border-top: 1px solid var(--border-color); }
.stat-item { text-align: center; }
.stat-value { font-size: 20px; font-weight: 700; color: var(--impact-green); }
.stat-label { font-size: 11px; color: var(--text-light); text-transform: uppercase; font-weight: 600; margin-top: 4px; display: block; }

/* Store Header (Inside Store Pages) */
.store-header { background-color: var(--white); padding: 50px 0; border-bottom: 1px solid var(--border-color); margin-bottom: 40px; }
.store-header-inner { display: flex; align-items: center; gap: 40px; }
.store-header .store-logo { margin: 0; width: 140px; height: 140px; flex-shrink: 0; }
.store-header-info { flex: 1; }
.store-header-info h1 { font-size: 36px; color: var(--primary-navy); margin-bottom: 10px; font-weight: 800; }
.store-header-info p { font-size: 18px; color: var(--text-light); margin-bottom: 20px; }
.impact-balance-box { background: linear-gradient(135deg, var(--impact-green) 0%, #1e8449 100%); color: var(--white); padding: 25px 35px; border-radius: var(--border-radius); text-align: center; box-shadow: 0 10px 20px rgba(39, 174, 96, 0.2); min-width: 280px; flex-shrink: 0; }
.impact-balance-box span { display: block; font-size: 14px; opacity: 0.9; margin-bottom: 5px; text-transform: uppercase; letter-spacing: 0.5px; font-weight: 600; }
.impact-balance-box strong { display: block; font-size: 36px; font-weight: 800; line-height: 1; }

/* Product Layout (Sidebar + Grid) */
.store-layout { display: flex; gap: 40px; }
.sidebar { width: 260px; flex-shrink: 0; }
.sidebar-box { background: var(--white); border: 1px solid var(--border-color); border-radius: var(--border-radius); padding: 25px; margin-bottom: 30px; }
.sidebar-title { font-size: 18px; font-weight: 700; color: var(--primary-navy); margin-bottom: 20px; padding-bottom: 12px; border-bottom: 2px solid var(--accent-gold); }
.category-list li { margin-bottom: 8px; }
.category-list a { display: flex; justify-content: space-between; align-items: center; color: var(--text-light); padding: 10px 12px; transition: var(--transition); border-radius: 4px; font-weight: 500; }
.category-list a:hover, .category-list a.active { background-color: var(--bg-light); color: var(--primary-navy); font-weight: 600; }
.category-list a i { font-size: 12px; opacity: 0.5; }
.main-content { flex: 1; }
.store-toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 30px; background: var(--white); padding: 15px 20px; border-radius: var(--border-radius); border: 1px solid var(--border-color); }
.store-toolbar select { padding: 8px 15px; border: 1px solid var(--border-color); border-radius: 4px; outline: none; font-family: inherit; }

/* Footer */
.footer { background-color: var(--primary-navy); color: var(--white); padding: 80px 0 20px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 50px; margin-bottom: 60px; }
.footer-brand .logo img { filter: brightness(0) invert(1); margin-bottom: 20px; }
.footer-title { font-size: 18px; color: var(--accent-gold); margin-bottom: 25px; font-weight: 700; }
.footer-desc { color: #a0aec0; margin-bottom: 25px; line-height: 1.8; }
.social-links { display: flex; gap: 15px; }
.social-links a { display: flex; justify-content: center; align-items: center; width: 40px; height: 40px; background: rgba(255,255,255,0.1); border-radius: 50%; transition: var(--transition); color: var(--white); }
.social-links a:hover { background: var(--accent-gold); color: var(--primary-navy); transform: translateY(-3px); }
.footer-links li { margin-bottom: 15px; }
.footer-links a { color: #a0aec0; transition: var(--transition); display: inline-block; }
.footer-links a:hover { color: var(--accent-gold); transform: translateX(5px); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 25px; display: flex; justify-content: space-between; align-items: center; color: #a0aec0; font-size: 14px; }

/* Product Detail Page */
.breadcrumb { margin: 20px 0; font-size: 14px; color: var(--text-light); }
.breadcrumb a { color: var(--primary-navy); font-weight: 500; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span { margin: 0 10px; opacity: 0.5; }
.product-detail-layout { display: grid; grid-template-columns: 1.2fr 1fr; gap: 60px; margin-bottom: 60px; }
.product-gallery { background-color: var(--white); border-radius: var(--border-radius); padding: 30px; border: 1px solid var(--border-color); }
.main-image { width: 100%; height: 500px; object-fit: contain; margin-bottom: 30px; mix-blend-mode: multiply; }
.thumbnail-list { display: flex; gap: 15px; justify-content: center; }
.thumbnail-list img { width: 90px; height: 90px; object-fit: cover; border: 2px solid var(--border-color); cursor: pointer; border-radius: var(--border-radius); transition: var(--transition); }
.thumbnail-list img:hover, .thumbnail-list img.active { border-color: var(--accent-gold); box-shadow: 0 0 0 2px rgba(242, 201, 76, 0.3); }
.product-info h1 { font-size: 36px; color: var(--primary-navy); margin-bottom: 15px; font-weight: 800; line-height: 1.2; }
.product-store-link { display: inline-flex; align-items: center; gap: 8px; color: var(--accent-gold); font-weight: 700; font-size: 16px; margin-bottom: 25px; }
.product-price-box { background-color: var(--bg-light); padding: 35px; border-radius: var(--border-radius); margin: 30px 0; border: 1px solid var(--border-color); border-top: 4px solid var(--primary-navy); }
.price-box-title { font-size: 14px; color: var(--text-light); margin-bottom: 10px; font-weight: 600; text-transform: uppercase; }
.price-box-value { font-size: 42px; font-weight: 800; color: var(--primary-navy); margin-bottom: 20px; line-height: 1; }
.qty-selector { display: flex; align-items: center; gap: 15px; margin-bottom: 25px; }
.qty-btn { width: 45px; height: 45px; border: 1px solid var(--border-color); background: var(--white); font-size: 20px; cursor: pointer; border-radius: var(--border-radius); transition: var(--transition); }
.qty-btn:hover { border-color: var(--primary-navy); color: var(--primary-navy); }
.qty-input { width: 70px; height: 45px; text-align: center; border: 1px solid var(--border-color); border-radius: var(--border-radius); font-weight: 700; font-size: 18px; outline: none; }
.action-buttons { display: flex; gap: 15px; margin-bottom: 30px; }
.big-impact-box { background: rgba(39, 174, 96, 0.1); border: 1px solid rgba(39, 174, 96, 0.3); padding: 25px; border-radius: var(--border-radius); display: flex; gap: 20px; align-items: flex-start; }
.big-impact-box i { font-size: 32px; color: var(--impact-green); }
.big-impact-box h4 { color: var(--impact-green); margin-bottom: 8px; font-size: 18px; }
.big-impact-box p { color: var(--text-dark); font-size: 14px; line-height: 1.6; margin: 0; }

.product-tabs { border-bottom: 1px solid var(--border-color); margin-bottom: 30px; display: flex; gap: 40px; }
.tab-btn { background: none; border: none; font-size: 18px; font-weight: 600; color: var(--text-light); padding: 15px 0; cursor: pointer; position: relative; transition: var(--transition); }
.tab-btn.active { color: var(--primary-navy); }
.tab-btn.active::after { content: ''; position: absolute; bottom: -1px; left: 0; width: 100%; height: 3px; background-color: var(--accent-gold); }
.tab-content { display: none; padding-bottom: 40px; }
.tab-content.active { display: block; }
.tab-content p { margin-bottom: 15px; color: var(--text-light); line-height: 1.8; }
.tab-content ul { padding-left: 20px; list-style-type: disc; color: var(--text-light); margin-bottom: 15px; }
.tab-content li { margin-bottom: 8px; }

/* Cart Page */
.cart-layout { display: grid; grid-template-columns: 2fr 1fr; gap: 40px; margin-bottom: 60px; }
.cart-table-wrapper { background: var(--white); border-radius: var(--border-radius); border: 1px solid var(--border-color); overflow: hidden; }
.cart-table { width: 100%; border-collapse: collapse; }
.cart-table th, .cart-table td { padding: 20px; text-align: left; border-bottom: 1px solid var(--border-color); }
.cart-table th { background-color: var(--bg-light); color: var(--primary-navy); font-weight: 600; text-transform: uppercase; font-size: 13px; letter-spacing: 0.5px; }
.cart-item-row { transition: var(--transition); }
.cart-item-row:hover { background-color: rgba(248,249,250,0.5); }
.cart-item-info { display: flex; align-items: center; gap: 20px; }
.cart-item-img { width: 90px; height: 90px; object-fit: contain; border-radius: var(--border-radius); background: var(--bg-light); padding: 10px; border: 1px solid var(--border-color); }
.cart-item-title { font-weight: 600; color: var(--primary-navy); margin-bottom: 5px; font-size: 16px; display: block; }
.cart-item-store { color: var(--text-light); font-size: 13px; }
.cart-price { font-weight: 700; color: var(--text-dark); }
.remove-btn { color: #e74c3c; background: none; border: none; cursor: pointer; font-size: 18px; transition: var(--transition); }
.remove-btn:hover { transform: scale(1.2); }
.cart-summary { background-color: var(--white); padding: 30px; border-radius: var(--border-radius); border: 1px solid var(--border-color); position: sticky; top: 100px; }
.summary-title { font-size: 20px; font-weight: 700; color: var(--primary-navy); margin-bottom: 25px; padding-bottom: 15px; border-bottom: 1px solid var(--border-color); }
.summary-row { display: flex; justify-content: space-between; margin-bottom: 15px; font-size: 16px; color: var(--text-light); }
.summary-row.total { font-size: 24px; font-weight: 800; color: var(--primary-navy); border-top: 1px solid var(--border-color); padding-top: 20px; margin-top: 20px; }
.impact-total { color: var(--impact-green); font-weight: 700; background: rgba(39,174,96,0.1); padding: 15px; border-radius: 4px; margin-bottom: 25px; }

/* Checkout Page */
.checkout-layout { display: grid; grid-template-columns: 2fr 1.2fr; gap: 40px; margin-bottom: 60px; }
.checkout-section { background: var(--white); border-radius: var(--border-radius); border: 1px solid var(--border-color); padding: 30px; margin-bottom: 30px; }
.checkout-section-title { font-size: 20px; font-weight: 700; color: var(--primary-navy); margin-bottom: 25px; display: flex; align-items: center; gap: 10px; }
.checkout-section-title i { color: var(--accent-gold); }
.form-group { margin-bottom: 20px; }
.form-label { display: block; margin-bottom: 8px; font-weight: 600; color: var(--text-dark); font-size: 14px; }
.form-label.required::after { content: ' *'; color: #e74c3c; }
.form-control { width: 100%; padding: 14px 18px; border: 1px solid var(--border-color); border-radius: var(--border-radius); font-family: inherit; font-size: 15px; transition: var(--transition); background: var(--bg-light); }
.form-control:focus { border-color: var(--primary-navy); outline: none; background: var(--white); box-shadow: 0 0 0 3px rgba(10,37,64,0.1); }
.form-row { display: flex; gap: 20px; }
.form-row .form-group { flex: 1; }

.login-options { display: flex; gap: 20px; margin-bottom: 30px; }
.login-option { flex: 1; border: 2px solid var(--border-color); padding: 20px; border-radius: var(--border-radius); text-align: center; cursor: pointer; font-weight: 600; transition: var(--transition); }
.login-option.active { border-color: var(--primary-navy); background: rgba(10,37,64,0.05); color: var(--primary-navy); }

/* Payment Methods */
.payment-methods { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 30px; }
.payment-method { border: 2px solid var(--border-color); border-radius: var(--border-radius); padding: 25px 20px; text-align: center; cursor: pointer; transition: var(--transition); background: var(--white); }
.payment-method.active { border-color: var(--primary-navy); background-color: rgba(10,37,64,0.05); }
.payment-method i { font-size: 36px; color: var(--primary-navy); margin-bottom: 15px; }
.payment-method span { display: block; font-weight: 700; color: var(--text-dark); }
.payment-form { display: none; padding: 25px; border-radius: var(--border-radius); background: var(--bg-light); border: 1px solid var(--border-color); }
.payment-form.active { display: block; }

.bank-info { padding: 25px; border-radius: var(--border-radius); border-left: 5px solid var(--primary-navy); background: var(--white); box-shadow: 0 4px 15px rgba(0,0,0,0.05); }
.bank-info p { margin-bottom: 12px; font-size: 15px; display: flex; justify-content: space-between; border-bottom: 1px dashed var(--border-color); padding-bottom: 8px; }
.bank-info strong { color: var(--primary-navy); font-weight: 700; }

/* Success Page */
.success-page { padding: 80px 0; background: var(--bg-light); min-height: 70vh; display: flex; align-items: center; }
.success-box { text-align: center; padding: 60px 40px; max-width: 650px; margin: 0 auto; background-color: var(--white); border-radius: 16px; box-shadow: 0 10px 40px rgba(0,0,0,0.08); position: relative; overflow: hidden; border-top: 8px solid var(--impact-green); }
.success-icon { font-size: 90px; color: var(--impact-green); margin-bottom: 25px; }
.success-title { font-size: 40px; color: var(--primary-navy); margin-bottom: 15px; font-weight: 800; }
.success-desc { font-size: 18px; color: var(--text-light); margin-bottom: 30px; line-height: 1.6; }
.order-number { font-size: 22px; font-weight: 800; color: var(--primary-navy); background-color: rgba(242, 201, 76, 0.2); border: 2px dashed var(--accent-gold); padding: 15px 30px; border-radius: 8px; display: inline-block; margin-bottom: 40px; }
.impact-summary-box { background: linear-gradient(135deg, var(--primary-navy) 0%, var(--secondary-navy) 100%); color: var(--white); padding: 30px; border-radius: 12px; margin-bottom: 40px; display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
.impact-stat { text-align: center; border-right: 1px solid rgba(255,255,255,0.2); }
.impact-stat:last-child { border-right: none; }
.impact-stat strong { display: block; font-size: 28px; color: var(--accent-gold); margin-bottom: 5px; }
.impact-stat span { font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; opacity: 0.9; }

/* Timeline for How It Works */
.timeline { position: relative; max-width: 900px; margin: 0 auto; padding: 40px 0; }
.timeline::before { content: ''; position: absolute; left: 50%; transform: translateX(-50%); width: 4px; height: 100%; background-color: rgba(242, 201, 76, 0.5); border-radius: 4px; }
.timeline-item { display: flex; justify-content: space-between; align-items: center; margin-bottom: 60px; position: relative; }
.timeline-item:nth-child(even) { flex-direction: row-reverse; }
.timeline-content { width: 45%; background: var(--white); padding: 40px; border-radius: 16px; box-shadow: 0 10px 30px rgba(0,0,0,0.05); position: relative; border: 1px solid var(--border-color); transition: var(--transition); }
.timeline-content:hover { transform: translateY(-5px); box-shadow: 0 15px 40px rgba(0,0,0,0.1); border-color: var(--accent-gold); }
.timeline-icon { width: 70px; height: 70px; background-color: var(--primary-navy); color: var(--accent-gold); border-radius: 50%; display: flex; justify-content: center; align-items: center; font-size: 28px; position: absolute; left: 50%; transform: translateX(-50%); z-index: 10; border: 6px solid var(--bg-light); box-shadow: 0 4px 10px rgba(0,0,0,0.1); }
.timeline-content h3 { color: var(--primary-navy); margin-bottom: 15px; font-size: 24px; font-weight: 700; }
.timeline-content p { color: var(--text-light); font-size: 16px; line-height: 1.6; margin: 0; }
.step-number { position: absolute; top: -15px; right: 20px; font-size: 60px; font-weight: 900; color: rgba(10,37,64,0.05); line-height: 1; }
.timeline-item:nth-child(even) .step-number { right: auto; left: 20px; }

/* Responsive */
@media (max-width: 992px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .store-layout { flex-direction: column; }
  .sidebar { width: 100%; }
  .product-detail-layout, .cart-layout, .checkout-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .impact-summary-box { grid-template-columns: 1fr; gap: 30px; }
  .impact-stat { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.2); padding-bottom: 15px; }
  .impact-stat:last-child { border-bottom: none; padding-bottom: 0; }
}

@media (max-width: 768px) {
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .top-bar { display: none; }
  .main-header .container { flex-wrap: wrap; gap: 15px; }
  .search-bar { order: 3; max-width: 100%; margin: 0; }
  
  .nav-menu .container { justify-content: space-between; align-items: center; }
  .hamburger { display: block; }
  .nav-links { position: absolute; top: 100%; left: 0; right: 0; background: var(--primary-navy); flex-direction: column; text-align: left; max-height: 0; overflow: hidden; z-index: 1000; width: 100%; }
  .nav-links.active { max-height: 500px; border-top: 1px solid rgba(255,255,255,0.1); }
  .nav-links li a { padding: 12px 20px; border-bottom: 1px solid rgba(255,255,255,0.05); }
  
  .hero h1 { font-size: 36px; }
  .hero p { font-size: 16px; }
  .hero-buttons { flex-direction: column; }
  
  .store-header { display: none; }
  .sidebar-box { margin-bottom: 15px; padding: 15px; border-radius: 8px; }
  .category-list { display: flex; overflow-x: auto; flex-wrap: nowrap; gap: 10px; padding-bottom: 5px; }
  .category-list li { margin-bottom: 0; white-space: nowrap; }
  .category-list a { padding: 8px 15px; background: var(--bg-light); border-radius: 20px; border: 1px solid var(--border-color); }
  .category-list a i { display: none; }
  
  .product-image { aspect-ratio: 4/5; height: auto; padding: 0; }
  .product-details { padding: 10px; }
  .product-title { font-size: 12px; margin-bottom: 5px; -webkit-line-clamp: 2; line-height: 1.3; }
  .product-price { font-size: 14px; margin-bottom: 8px; margin-top: 5px; }
  .price-label { font-size: 10px; }
  .impact-note { padding: 4px 6px; font-size: 9px; margin-bottom: 10px; }
  .badge { font-size: 8px; padding: 4px 6px; top: 8px; left: 8px; }
  .fav-btn { top: 8px; right: 8px; width: 28px; height: 28px; font-size: 12px; }
  .product-card .btn { padding: 6px; font-size: 11px; }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 15px; text-align: center; }
  .timeline::before { left: 40px; }
  .timeline-item, .timeline-item:nth-child(even) { flex-direction: column; align-items: flex-end; }
  .timeline-icon { left: 40px; transform: translateX(-50%); }
  .timeline-content { width: calc(100% - 100px); }
  .form-row { flex-direction: column; gap: 0; }
  .payment-methods { grid-template-columns: 1fr; }
}