/* Modern E-commerce CSS Theme */

:root {
    --primary-color: #1a1a1a;
    --secondary-color: #666;
    --accent-color: #ff6b35;
    --gradient-primary: linear-gradient(135deg, #1a1a1a, #333);
    --gradient-accent: linear-gradient(135deg, #ff6b35, #ff8757);
    --text-dark: #333;
    --text-light: #666;
    --text-muted: #999;
    --border-color: #e0e0e0;
    --bg-light: #f8f9fa;
    --bg-white: #fff;
    --bg-dark: #1a1a1a;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.16);
    --shadow-xl: 0 16px 48px rgba(0,0,0,0.2);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 8px;
    --border-radius-lg: 12px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Import Inter font */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

.container {
    max-width: 1400px;
    padding-left: 20px;
    padding-right: 20px;
}

@media (max-width: 768px) {
    .container {
        padding-left: 15px;
        padding-right: 15px;
    }
}

/* ===== HEADER STYLES ===== */
.header-section {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--bg-white);
    box-shadow: var(--shadow-md);
}

/* Compact Header */
.compact-header {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    padding: 8px 0;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    min-height: 50px;
}

.logo-section {
    flex-shrink: 0;
}

.search-section {
    flex: 1;
    max-width: 500px;
    margin: 0 20px;
}

.actions-section {
    flex-shrink: 0;
}

.logo h2 {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 20px;
    margin: 0;
    white-space: nowrap;
}

.search-section .search-form {
    width: 100%;
}

.search-form .input-group {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.search-form .form-control {
    border: none;
    padding: 8px 12px;
    font-size: 13px;
    height: auto;
}

.search-form .form-control:focus {
    box-shadow: none;
    border: none;
}

.btn-search {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 8px 12px;
    transition: var(--transition);
    height: auto;
}

.btn-search:hover {
    background: var(--secondary-color);
    color: white;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--text-dark);
    text-decoration: none;
    font-size: 12px;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 4px 8px;
    border-radius: 4px;
}

.action-btn:hover {
    background: var(--bg-light);
    color: var(--primary-color);
}

.action-btn:hover {
    color: var(--primary-color);
}

.cart-count {
    background: var(--accent-color);
    color: white;
    border-radius: 50%;
    width: 16px;
    height: 16px;
    font-size: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: -6px;
    right: -6px;
}

.main-nav {
    background: var(--bg-light);
    border-top: 1px solid var(--border-color);
}

.nav-menu {
    display: flex;
    justify-content: center;
    padding: 0;
}

.nav-links {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 25px;
    flex-wrap: wrap;
    justify-content: center;
}

.nav-link {
    display: block;
    padding: 10px 0;
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 12px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-color);
}

/* Dropdown styles */
.dropdown {
    position: relative;
}

.dropdown-toggle::after {
    content: '\f107';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    margin-left: 8px;
    font-size: 10px;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-white);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 10px 0;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 1000;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    list-style: none;
}

.dropdown-menu a {
    display: block;
    padding: 8px 20px;
    color: var(--text-dark);
    text-decoration: none;
    font-size: 13px;
    transition: var(--transition);
}

.dropdown-menu a:hover {
    background: var(--bg-light);
    color: var(--primary-color);
}

/* ===== PAGE SECTIONS ===== */
.page-section {
    display: none;
}

.page-section.active {
    display: block;
}

/* ===== HERO BANNER ===== */
.hero-banner {
    background: linear-gradient(135deg, rgba(26,26,26,0.8), rgba(102,102,102,0.6)),
                url('https://images.unsplash.com/photo-1588159343745-445ae0b16383?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1200&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: white;
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, transparent 0%, rgba(0,0,0,0.2) 100%);
    pointer-events: none;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 2px;
    text-shadow: 0 4px 8px rgba(0,0,0,0.3);
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-subtitle {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.95;
    font-weight: 300;
    letter-spacing: 0.5px;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-buttons {
    margin-top: 30px;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-buttons .btn {
    padding: 16px 32px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1px;
    border-radius: 30px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.hero-buttons .btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

/* ===== CATEGORIES GRID ===== */
.categories-grid {
    background: var(--bg-white);
}

.category-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.category-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.category-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.category-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.category-item:hover .category-image img {
    transform: scale(1.1);
}

.category-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: white;
    padding: 30px 20px 20px;
    text-align: center;
}

.category-overlay h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 5px;
    letter-spacing: 1px;
}

.category-overlay p {
    font-size: 14px;
    opacity: 0.9;
    margin: 0;
}

/* ===== SECTION HEADERS ===== */
.section-header {
    margin-bottom: 60px;
    padding: 0 20px;
}

@media (max-width: 768px) {
    .section-header {
        padding: 0 10px;
        margin-bottom: 40px;
    }
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 20px;
    letter-spacing: 1px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 16px;
    color: var(--text-light);
    margin: 0;
}

/* ===== PRODUCTS GRID ===== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 35px;
    margin-bottom: 40px;
    padding: 0;
    justify-items: center;
}

@media (min-width: 1200px) {
    .products-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 40px;
        max-width: none;
    }

    .product-card {
        width: 100%;
        max-width: 350px;
    }
}

@media (min-width: 992px) and (max-width: 1199px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 35px;
    }
}

@media (min-width: 768px) and (max-width: 991px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

.product-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: var(--transition-slow);
    position: relative;
    box-shadow: var(--shadow-sm);
    width: 100%;
    min-width: 300px;
    max-width: 380px;
}

.product-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.product-image {
    position: relative;
    height: 300px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.product-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--accent-color);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-badge.new {
    background: #28a745;
}

.product-info {
    padding: 25px 20px;
}

.product-brand {
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    margin-bottom: 5px;
    letter-spacing: 0.5px;
}

.product-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 12px;
    line-height: 1.4;
    min-height: 48px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-price {
    margin-bottom: 15px;
}

.price-current {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
}

.price-original {
    font-size: 14px;
    color: var(--text-muted);
    text-decoration: line-through;
    margin-left: 8px;
}

.price-save {
    display: block;
    font-size: 12px;
    color: #28a745;
    font-weight: 500;
    margin-top: 2px;
}

.product-rating {
    margin-bottom: 15px;
}

.stars {
    color: #ffc107;
    font-size: 14px;
    margin-right: 5px;
}

.rating-count {
    color: var(--text-muted);
    font-size: 12px;
}

.cart-controls {
    margin-top: 5px;
}

.btn-add-cart {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 20px;
    width: 100%;
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition);
}

.btn-add-cart:hover {
    background: var(--secondary-color);
    color: white;
    transform: translateY(-1px);
}

/* Quantity Selector on Product Card */
.quantity-selector {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-light);
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius);
    padding: 8px 15px;
    gap: 15px;
}

.quantity-selector .btn-quantity-decrease,
.quantity-selector .btn-quantity-increase {
    background: var(--primary-color);
    color: white;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    cursor: pointer;
    transition: var(--transition);
}

.quantity-selector .btn-quantity-decrease:hover,
.quantity-selector .btn-quantity-increase:hover {
    background: var(--secondary-color);
    transform: scale(1.1);
}

.quantity-selector .btn-quantity-decrease:disabled {
    background: #ccc;
    cursor: not-allowed;
    opacity: 0.5;
}

.quantity-selector .quantity-display {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
    min-width: 30px;
    text-align: center;
}

/* ===== BRANDS SECTION ===== */
.brands-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
}

.brand-item {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 30px 20px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.brand-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.brand-item h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
    letter-spacing: 1px;
}

.brands-listing .brand-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 30px 20px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.brands-listing .brand-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.brands-listing .brand-card h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.brands-listing .brand-card p {
    color: var(--text-light);
    font-size: 14px;
    margin: 0;
}

/* ===== FILTERS SIDEBAR ===== */
.filters-sidebar {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 25px;
    margin-bottom: 30px;
}

.filter-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 25px;
    letter-spacing: 0.5px;
}

.filter-group {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.filter-group:last-child {
    border-bottom: none;
}

.filter-group h6 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.filter-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.filter-option {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    transition: var(--transition);
}

.filter-option input {
    margin: 0;
}

.filter-option span {
    font-size: 14px;
    color: var(--text-dark);
}

.filter-option:hover span {
    color: var(--primary-color);
}

/* ===== CART SIDEBAR ===== */
.cart-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1998;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.cart-overlay.active {
    opacity: 1;
    visibility: visible;
}

.cart-sidebar {
    position: fixed;
    right: -400px;
    top: 0;
    width: 400px;
    height: 100vh;
    background: var(--bg-white);
    box-shadow: var(--shadow-lg);
    z-index: 1999;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.cart-sidebar.active {
    right: 0;
}

.cart-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cart-header h4 {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
}

.cart-content {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

.cart-footer {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-light);
}

.empty-cart {
    text-align: center;
    padding: 40px 20px;
}

.cart-item {
    display: flex;
    gap: 15px;
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
}

.cart-item:last-child {
    border-bottom: none;
}

.cart-item img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--border-radius);
}

.cart-item-info {
    flex: 1;
}

.cart-item-name {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 5px;
}

.cart-item-price {
    color: var(--text-muted);
    font-size: 13px;
    margin-bottom: 10px;
}

.quantity-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

.quantity-btn {
    width: 30px;
    height: 30px;
    border: 1px solid var(--border-color);
    background: var(--bg-white);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.quantity-btn:hover {
    background: var(--primary-color);
    color: white;
}

/* ===== CONTACT SECTION ===== */
.contact-info {
    background: var(--bg-light);
    padding: 30px;
    border-radius: var(--border-radius);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
}

.contact-item i {
    color: var(--primary-color);
    font-size: 18px;
    width: 20px;
    margin-top: 2px;
}

.contact-form {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 30px;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--gradient-primary);
    color: white;
    margin-top: 80px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-accent);
}

.footer h5, .footer h6 {
    color: white;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.social-links a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 18px;
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding: 20px 0;
    margin-top: 40px;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    margin: 0;
}

/* ===== BUTTONS ===== */
.btn {
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    display: inline-block;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
    z-index: -1;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--secondary-color);
    color: white;
    transform: translateY(-1px);
}

.btn-outline-primary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline-primary:hover {
    background: var(--primary-color);
    color: white;
}

.btn-secondary {
    background: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background: var(--text-dark);
    color: white;
}

/* ===== FORM ELEMENTS ===== */
.form-control {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 12px 15px;
    font-size: 14px;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 0, 0, 0.1);
}

.form-select {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 10px 15px;
    font-size: 14px;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .nav-links {
        gap: 20px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .nav-link {
        font-size: 11px;
        padding: 10px 0;
    }

    .main-header {
        padding: 10px 0;
    }

    .logo h2 {
        font-size: 20px;
    }

    .action-btn {
        font-size: 12px;
        gap: 4px;
    }
    
    .hero-banner {
        padding: 60px 0;
    }

    .hero-title {
        font-size: 36px;
        letter-spacing: 1px;
    }

    .hero-subtitle {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 25px;
        padding: 0;
    }
    
    .cart-sidebar {
        width: 100%;
        right: -100%;
    }
    
    .brands-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 15px;
    }
    
    .category-image {
        height: 200px;
    }
    
    .dropdown-menu {
        position: static;
        box-shadow: none;
        border: none;
        padding: 0;
        background: var(--bg-light);
        margin-top: 10px;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
    }
    
    .dropdown:hover .dropdown-menu {
        display: block;
    }
}

@media (max-width: 576px) {
    .hero-banner {
        padding: 50px 0;
    }

    .hero-title {
        font-size: 28px;
        letter-spacing: 1px;
        margin-bottom: 15px;
    }

    .hero-subtitle {
        font-size: 15px;
        margin-bottom: 25px;
    }
    
    .products-grid {
        grid-template-columns: 1fr 1fr;
        gap: 15px;
        padding: 0;
    }

    .product-card {
        font-size: 14px;
        min-width: 150px;
        max-width: none;
    }

    .product-info {
        padding: 15px 12px;
    }

    .product-image {
        height: 200px;
    }

    .product-name {
        font-size: 14px;
        min-height: 38px;
        line-height: 1.3;
    }

    .price-current {
        font-size: 16px;
    }

    .btn-add-cart {
        padding: 10px 15px;
        font-size: 12px;
    }
    
    .contact-info, .contact-form {
        margin-bottom: 30px;
    }
}

/* ===== LOADING STATES ===== */
.loading {
    text-align: center;
    padding: 40px 20px;
}

.loading-spinner {
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ===== SAMPLES SECTION ===== */
.samples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.sample-category {
    text-align: center;
}

.sample-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 40px 30px;
    transition: var(--transition);
    height: 100%;
    box-shadow: var(--shadow-sm);
}

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

.sample-icon {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin: 0 auto 25px;
    box-shadow: var(--shadow-md);
}

.sample-card h4 {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.sample-card p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
}

.sample-price {
    font-size: 18px;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 25px;
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.testimonial-card {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 0;
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.testimonial-content {
    padding: 30px;
}

.testimonial-content .stars {
    margin-bottom: 20px;
    font-size: 16px;
}

.testimonial-content p {
    font-size: 16px;
    font-style: italic;
    line-height: 1.6;
    color: var(--text-dark);
    margin-bottom: 25px;
    position: relative;
}

.testimonial-content p::before {
    content: '\201C';
    font-size: 60px;
    color: var(--border-color);
    position: absolute;
    left: -20px;
    top: -15px;
    line-height: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-color);
}

.testimonial-author strong {
    display: block;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 2px;
}

.testimonial-author span {
    font-size: 13px;
    color: var(--text-muted);
}

/* ===== FEATURES SECTION ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-card {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.feature-icon {
    background: linear-gradient(135deg, var(--accent-color), #ff8757);
    color: white;
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin: 0 auto 25px;
    box-shadow: var(--shadow-md);
}

.feature-card h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
}

/* ===== NEWSLETTER SECTION ===== */
.bg-gradient {
    background: var(--bg-light);
    color: var(--text-dark);
}

.newsletter-content h3 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.newsletter-content p {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 30px;
    color: var(--text-dark);
}

.newsletter-benefits {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--text-dark);
}

.benefit-item i {
    color: var(--accent-color);
    background: rgba(255, 255, 255, 0.1);
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
}

.newsletter-form {
    background: rgba(255, 255, 255, 0.15);
    padding: 40px;
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.subscription-form .input-group {
    border: none;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.subscription-form .form-control {
    border: none;
    padding: 15px 20px;
    font-size: 16px;
    background: white;
}

.subscription-form .btn {
    padding: 15px 30px;
    font-weight: 700;
    border-radius: 0;
}

.subscription-form .form-text {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.9);
    text-align: center;
    margin-top: 15px;
    margin-bottom: 0;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

/* ===== ENHANCED PRODUCT CARDS ===== */
.product-card {
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: var(--transition);
    z-index: 1;
}

.product-card:hover::before {
    left: 100%;
}

.product-actions {
    position: absolute;
    top: 15px;
    right: 15px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    opacity: 0;
    transform: translateX(20px);
    transition: var(--transition);
    z-index: 2;
}

.product-card:hover .product-actions {
    opacity: 1;
    transform: translateX(0);
}

.action-icon {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: var(--text-dark);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.action-icon:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.1);
}

/* ===== SAMPLES PAGE ===== */
.samples-categories {
    margin-bottom: 60px;
}

.sample-category-card {
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 40px 30px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    height: 100%;
    box-shadow: var(--shadow-sm);
}

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

.sample-category-icon {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin: 0 auto 25px;
    box-shadow: var(--shadow-md);
}

.sample-category-card h4 {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.sample-category-card p {
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 20px;
}

.sample-category-price {
    font-size: 20px;
    font-weight: 700;
    color: var(--accent-color);
}

.samples-showcase h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-color);
    border-bottom: 3px solid var(--accent-color);
    padding-bottom: 15px;
    display: inline-block;
}

.how-it-works-section {
    background: var(--bg-light);
    padding: 60px 0;
    border-radius: 12px;
}

.how-it-works-section h3 {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 50px;
}

.step-card {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 40px 30px;
    text-align: center;
    height: 100%;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.step-number {
    background: linear-gradient(135deg, var(--accent-color), #ff8757);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 25px;
    box-shadow: var(--shadow-md);
}

.step-card h5 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.step-card p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
}

/* ===== SAMPLE PRODUCT CARDS ===== */
.sample-product-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
    position: relative;
    box-shadow: var(--shadow-sm);
}

.sample-product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.sample-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.sample-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.sample-product-card:hover .sample-image img {
    transform: scale(1.05);
}

.sample-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.sample-product-card:hover .sample-overlay {
    opacity: 1;
}

.sample-actions {
    text-align: center;
}

.sample-actions .btn {
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 600;
    border-radius: 20px;
    min-width: 120px;
}

.sample-info {
    padding: 20px;
}

.sample-name {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
    line-height: 1.3;
}

.sample-description {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.5;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.sample-volume {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 15px;
    font-weight: 500;
}

.sample-volume i {
    color: var(--accent-color);
}

.sample-price {
    text-align: center;
}

.sample-price .price-current {
    font-size: 18px;
    font-weight: 700;
    color: var(--accent-color);
}

/* ===== RESPONSIVE ENHANCEMENTS ===== */
@media (max-width: 768px) {
    .samples-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .newsletter-content h3 {
        font-size: 24px;
    }

    .newsletter-form {
        padding: 30px;
        margin-top: 30px;
    }

    .subscription-form .input-group {
        flex-direction: column;
    }

    .subscription-form .form-control {
        border-radius: 8px 8px 0 0;
    }

    .subscription-form .btn {
        border-radius: 0 0 8px 8px;
    }
}

@media (max-width: 576px) {
    .features-grid {
        grid-template-columns: 1fr;
    }

    .sample-card,
    .feature-card,
    .sample-category-card,
    .step-card {
        padding: 30px 20px;
    }

    .sample-product-card .sample-info {
        padding: 15px;
    }

    .sample-actions .btn {
        padding: 6px 12px;
        font-size: 12px;
        min-width: 100px;
    }

    .testimonial-content {
        padding: 25px;
    }

    .how-it-works-section {
        padding: 40px 0;
    }

    .samples-showcase h3 {
        font-size: 24px;
    }
}

/* ===== UTILITIES ===== */
.text-center { text-align: center; }
.text-end { text-align: end; }
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }
.align-items-center { align-items: center !important; }
.justify-content-between { justify-content: space-between !important; }
.gap-2 { gap: 0.5rem !important; }
.gap-3 { gap: 1rem !important; }
.mb-0 { margin-bottom: 0 !important; }
.mb-3 { margin-bottom: 1rem !important; }
.mb-4 { margin-bottom: 1.5rem !important; }
.mb-5 { margin-bottom: 3rem !important; }
.py-5 { padding-top: 3rem !important; padding-bottom: 3rem !important; }
.w-100 { width: 100% !important; }

/* ===== COMPACT HEADER RESPONSIVE ===== */
@media (max-width: 992px) {
    .header-content {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 15px;
    }

    .search-section {
        order: 3;
        flex-basis: 100%;
        margin: 10px 0 0 0;
    }
}

@media (max-width: 576px) {
    .header-content {
        gap: 8px;
        padding: 3px 0;
    }

    .logo h2 {
        font-size: 16px;
    }

    .search-form .form-control {
        padding: 6px 10px;
        font-size: 12px;
    }

    .btn-search {
        padding: 6px 10px;
    }

    .nav-links {
        gap: 10px;
    }

    .nav-link {
        font-size: 10px;
        padding: 6px 0;
    }

    .action-btn {
        padding: 2px 4px;
        font-size: 10px;
    }

    .action-btn span:not(.cart-count) {
        display: none !important;
    }

    .compact-header {
        padding: 4px 0;
    }
}