/**
 * Premium Snacks - Main Stylesheet
 * Clean, modern, responsive design
 */

/* =====================================================
   CSS VARIABLES
   ===================================================== */
:root {
    --primary-color: #FF6B35;
    --primary-dark: #E55A2B;
    --secondary-color: #2C3E50;
    --accent-color: #F39C12;
    --success-color: #27AE60;
    --danger-color: #E74C3C;
    --warning-color: #F1C40F;
    --info-color: #3498DB;
    
    --text-dark: #2C3E50;
    --text-light: #7F8C8D;
    --text-muted: #95A5A6;
    
    --bg-white: #FFFFFF;
    --bg-light: #F8F9FA;
    --bg-gray: #ECF0F1;
    --border-color: #E0E0E0;
    
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-heading: 'Poppins', sans-serif;
    
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.15);
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    
    --transition: all 0.3s ease;
}

/* =====================================================
   RESET & BASE
   ===================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
}

img {
    max-width: 100%;
    height: auto;
}

/* =====================================================
   TYPOGRAPHY
   ===================================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
}

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

.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--secondary-color); }
.text-success { color: var(--success-color); }
.text-danger { color: var(--danger-color); }
.text-muted { color: var(--text-muted); }

/* =====================================================
   CONTAINER & GRID
   ===================================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.container-fluid {
    width: 100%;
    padding: 0 15px;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
}

.col {
    flex: 1;
    padding: 0 15px;
}

.col-1 { flex: 0 0 8.333%; max-width: 8.333%; }
.col-2 { flex: 0 0 16.667%; max-width: 16.667%; }
.col-3 { flex: 0 0 25%; max-width: 25%; }
.col-4 { flex: 0 0 33.333%; max-width: 33.333%; }
.col-5 { flex: 0 0 41.667%; max-width: 41.667%; }
.col-6 { flex: 0 0 50%; max-width: 50%; }
.col-7 { flex: 0 0 58.333%; max-width: 58.333%; }
.col-8 { flex: 0 0 66.667%; max-width: 66.667%; }
.col-9 { flex: 0 0 75%; max-width: 75%; }
.col-10 { flex: 0 0 83.333%; max-width: 83.333%; }
.col-11 { flex: 0 0 91.667%; max-width: 91.667%; }
.col-12 { flex: 0 0 100%; max-width: 100%; }

/* =====================================================
   BUTTONS
   ===================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    gap: 8px;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background-color: #1a252f;
    color: white;
}

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

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

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

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

.btn-sm {
    padding: 8px 16px;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
}

/* =====================================================
   FORMS
   ===================================================== */
.form-group {
    margin-bottom: 1.5rem;
}

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

.form-control {
    width: 100%;
    padding: 12px 16px;
    font-size: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background-color: var(--bg-white);
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.form-control::placeholder {
    color: var(--text-muted);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

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

.header-top {
    background-color: var(--secondary-color);
    color: white;
    padding: 8px 0;
    font-size: 0.875rem;
}

.header-top a {
    color: white;
    opacity: 0.9;
}

.header-top a:hover {
    opacity: 1;
}

.header-main {
    padding: 15px 0;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

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

.logo img {
    height: 50px;
    width: auto;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* Search */
.search-form {
    flex: 1;
    max-width: 500px;
    position: relative;
}

.search-form input {
    width: 100%;
    padding: 12px 45px 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.95rem;
    transition: var(--transition);
}

.search-form input:focus {
    border-color: var(--primary-color);
    outline: none;
}

.search-form button {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    background-color: var(--primary-color);
    color: white;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.search-form button:hover {
    background-color: var(--primary-dark);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header-action {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    color: var(--text-dark);
    font-size: 0.8rem;
    position: relative;
}

.header-action i {
    font-size: 1.4rem;
    color: var(--secondary-color);
}

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

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

.cart-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background-color: var(--primary-color);
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Navigation */
.navbar {
    background-color: var(--bg-white);
    border-top: 1px solid var(--border-color);
}

.nav-menu {
    display: flex;
    align-items: center;
    justify-content: center;
    list-style: none;
    gap: 40px;
}

.nav-menu a {
    display: block;
    padding: 15px 0;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 10px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

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

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--secondary-color);
}

/* =====================================================
   HERO BANNER
   ===================================================== */
.hero-banner {
    position: relative;
    height: 500px;
    overflow: hidden;
}

.hero-slide {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
}

.hero-slide img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.3) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 600px;
    color: white;
    padding: 0 15px;
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s ease;
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-content .btn {
    animation: fadeInUp 0.8s ease 0.4s both;
}

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

/* =====================================================
   SECTIONS
   ===================================================== */
.section {
    padding: 60px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.section-subtitle {
    color: var(--text-light);
    font-size: 1rem;
}

/* =====================================================
   PRODUCT CARDS
   ===================================================== */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 25px;
}

.product-card {
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
}

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

.product-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    z-index: 2;
}

.badge-sale { background-color: var(--danger-color); color: white; }
.badge-new { background-color: var(--success-color); color: white; }
.badge-featured { background-color: var(--accent-color); color: white; }
.badge-bestseller { background-color: var(--primary-color); color: white; }

.product-image {
    position: relative;
    padding-top: 100%;
    overflow: hidden;
    background-color: var(--bg-light);
}

.product-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.product-actions {
    position: absolute;
    bottom: -50px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: 10px;
    padding: 10px;
    background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
    transition: var(--transition);
}

.product-card:hover .product-actions {
    bottom: 0;
}

.product-actions button {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background-color: white;
    color: var(--text-dark);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.product-actions button:hover {
    background-color: var(--primary-color);
    color: white;
}

.product-info {
    padding: 15px;
}

.product-category {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 5px;
}

.product-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-title a:hover {
    color: var(--primary-color);
}

.product-price {
    display: flex;
    align-items: center;
    gap: 10px;
}

.price {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary-color);
}

.price-old {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-decoration: line-through;
}

/* =====================================================
   CATEGORIES
   ===================================================== */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.category-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 1;
}

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

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

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

.category-name {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 5px;
}

.category-count {
    font-size: 0.875rem;
    opacity: 0.8;
}

/* =====================================================
   BRANDS
   ===================================================== */
.brand-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 40px;
}

.brand-item {
    opacity: 0.6;
    transition: var(--transition);
    filter: grayscale(100%);
}

.brand-item:hover {
    opacity: 1;
    filter: grayscale(0%);
}

.brand-item img {
    max-height: 60px;
    width: auto;
}

/* =====================================================
   FOOTER
   ===================================================== */
.footer {
    background-color: var(--secondary-color);
    color: white;
    padding-top: 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: white;
}

.footer-about p {
    opacity: 0.8;
    margin-bottom: 20px;
}

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

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: white;
    opacity: 0.8;
    transition: var(--transition);
}

.footer-links a:hover {
    opacity: 1;
    padding-left: 5px;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 15px;
    opacity: 0.8;
}

.footer-contact i {
    color: var(--primary-color);
    margin-top: 3px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 20px 0;
    text-align: center;
    opacity: 0.7;
    font-size: 0.9rem;
}

/* WhatsApp Float Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    transition: var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    color: white;
}

/* =====================================================
   PAGE HEADER
   ===================================================== */
.page-header {
    background-color: var(--bg-light);
    padding: 40px 0;
    text-align: center;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: 10px;
    list-style: none;
    font-size: 0.9rem;
}

.breadcrumb a {
    color: var(--text-light);
}

.breadcrumb a:hover {
    color: var(--primary-color);
}

.breadcrumb .active {
    color: var(--primary-color);
}

/* =====================================================
   PRODUCT DETAIL
   ===================================================== */
.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.product-gallery {
    position: relative;
}

.product-main-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background-color: var(--bg-light);
    margin-bottom: 15px;
}

.product-main-image img {
    width: 100%;
    height: auto;
}

.product-thumbnails {
    display: flex;
    gap: 10px;
}

.product-thumbnails img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
}

.product-thumbnails img:hover,
.product-thumbnails img.active {
    border-color: var(--primary-color);
}

.product-info-detail .product-title {
    font-size: 1.75rem;
    margin-bottom: 15px;
}

.product-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.product-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.9rem;
    color: var(--text-light);
}

.product-description {
    margin-bottom: 25px;
    color: var(--text-light);
    line-height: 1.8;
}

.product-price-detail {
    margin-bottom: 25px;
}

.product-price-detail .price {
    font-size: 2rem;
}

.product-price-detail .price-old {
    font-size: 1.25rem;
}

.quantity-selector {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
}

.quantity-input {
    display: flex;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.quantity-input button {
    width: 40px;
    height: 45px;
    border: none;
    background-color: var(--bg-light);
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition);
}

.quantity-input button:hover {
    background-color: var(--border-color);
}

.quantity-input input {
    width: 60px;
    height: 45px;
    border: none;
    text-align: center;
    font-size: 1rem;
    font-weight: 600;
}

.product-actions-detail {
    display: flex;
    gap: 15px;
}

.product-actions-detail .btn {
    flex: 1;
}

/* =====================================================
   CART PAGE
   ===================================================== */
.cart-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 30px;
}

.cart-table th,
.cart-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.cart-table th {
    font-weight: 600;
    color: var(--text-light);
    font-size: 0.9rem;
    text-transform: uppercase;
}

.cart-product {
    display: flex;
    align-items: center;
    gap: 15px;
}

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

.cart-product-info h4 {
    font-size: 1rem;
    margin-bottom: 5px;
}

.cart-product-info p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
}

.cart-summary {
    background-color: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: 25px;
}

.cart-summary h3 {
    margin-bottom: 20px;
    font-size: 1.25rem;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.summary-row.total {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    border-bottom: none;
    padding-top: 10px;
}

/* =====================================================
   CHECKOUT
   ===================================================== */
.checkout-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 40px;
}

.checkout-section {
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: var(--shadow-sm);
}

.checkout-section h3 {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.payment-methods {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.payment-method {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.payment-method:hover,
.payment-method.active {
    border-color: var(--primary-color);
}

.payment-method input {
    width: 20px;
    height: 20px;
}

.payment-method img {
    height: 30px;
    width: auto;
}

/* =====================================================
   ALERTS
   ===================================================== */
.alert {
    padding: 15px 20px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
    border: 1px solid #ffeeba;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* =====================================================
   PAGINATION
   ===================================================== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
}

.pagination a,
.pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
}

.pagination a:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.pagination .active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.pagination .disabled {
    opacity: 0.5;
    pointer-events: none;
}

/* =====================================================
   RESPONSIVE DESIGN
   ===================================================== */
@media (max-width: 991px) {
    .hero-content h1 {
        font-size: 2.25rem;
    }
    
    .product-detail {
        grid-template-columns: 1fr;
    }
    
    .checkout-grid {
        grid-template-columns: 1fr;
    }
    
    .cart-table thead {
        display: none;
    }
    
    .cart-table tr {
        display: block;
        margin-bottom: 20px;
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        padding: 15px;
    }
    
    .cart-table td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        border: none;
        padding: 10px 0;
    }
    
    .cart-table td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--text-light);
    }
}

@media (max-width: 768px) {
    .header-top {
        display: none;
    }
    
    .header-inner {
        flex-wrap: wrap;
    }
    
    .search-form {
        order: 3;
        max-width: 100%;
        margin-top: 15px;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: white;
        flex-direction: column;
        gap: 0;
        padding: 15px;
        box-shadow: var(--shadow-md);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu a {
        padding: 12px 15px;
        border-bottom: 1px solid var(--border-color);
    }
    
    .hero-banner {
        height: 400px;
    }
    
    .hero-content h1 {
        font-size: 1.75rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .section {
        padding: 40px 0;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .whatsapp-float {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
        bottom: 20px;
        right: 20px;
    }
}

@media (max-width: 480px) {
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .product-actions-detail {
        flex-direction: column;
    }
    
    .header-actions span {
        display: none;
    }
}

/* =====================================================
   UTILITY CLASSES
   ===================================================== */
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }
.d-grid { display: grid !important; }

.justify-content-start { justify-content: flex-start !important; }
.justify-content-center { justify-content: center !important; }
.justify-content-end { justify-content: flex-end !important; }
.justify-content-between { justify-content: space-between !important; }

.align-items-start { align-items: flex-start !important; }
.align-items-center { align-items: center !important; }
.align-items-end { align-items: flex-end !important; }

.flex-wrap { flex-wrap: wrap !important; }
.flex-column { flex-direction: column !important; }

.gap-1 { gap: 0.25rem !important; }
.gap-2 { gap: 0.5rem !important; }
.gap-3 { gap: 1rem !important; }
.gap-4 { gap: 1.5rem !important; }

.mt-1 { margin-top: 0.25rem !important; }
.mt-2 { margin-top: 0.5rem !important; }
.mt-3 { margin-top: 1rem !important; }
.mt-4 { margin-top: 1.5rem !important; }
.mt-5 { margin-top: 3rem !important; }

.mb-1 { margin-bottom: 0.25rem !important; }
.mb-2 { margin-bottom: 0.5rem !important; }
.mb-3 { margin-bottom: 1rem !important; }
.mb-4 { margin-bottom: 1.5rem !important; }
.mb-5 { margin-bottom: 3rem !important; }

.p-1 { padding: 0.25rem !important; }
.p-2 { padding: 0.5rem !important; }
.p-3 { padding: 1rem !important; }
.p-4 { padding: 1.5rem !important; }
.p-5 { padding: 3rem !important; }

.w-100 { width: 100% !important; }
.h-100 { height: 100% !important; }

.text-uppercase { text-transform: uppercase !important; }
.text-capitalize { text-transform: capitalize !important; }
.font-weight-bold { font-weight: 700 !important; }

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}