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

:root {
    --primary: #1a1a1a;
    --secondary: #ffffff;
    --accent: #404040;
    --light-grey: #f5f5f5;
    --mid-grey: #808080;
    --dark-grey: #2a2a2a;
    --text: #1a1a1a;
    --border: #e0e0e0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text);
    background: var(--secondary);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
.navbar {
    background: var(--primary);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--secondary);
    letter-spacing: 3px;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-image {
    width: 48px;
    height: 48px;
    object-fit: cover;
    display: inline-block;
}

.logo-text {
    display: inline-block;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--mid-grey);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--dark-grey) 100%);
    color: var(--secondary);
    padding: 8rem 0;
    text-align: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s;
    letter-spacing: 2px;
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    animation: fadeInUp 1s;
    color: var(--mid-grey);
}

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

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 0.9rem 2rem;
    border-radius: 0;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: 2px solid var(--primary);
    cursor: pointer;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.btn-primary:hover {
    background: var(--primary);
    color: var(--secondary);
    border-color: var(--secondary);
}

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

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

.btn-block {
    width: 100%;
    text-align: center;
    margin-top: 1rem;
}

/* Sales Section */
.sales-section {
    padding: 4rem 0;
    background: var(--light-grey);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.sales-grid, .products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.product-card {
    background: var(--secondary);
    border: 2px solid var(--border);
    overflow: hidden;
    transition: all 0.3s;
    cursor: pointer;
}

.product-card:hover {
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

/* CHANGE THIS: Replace emoji with actual images */
.product-image {
    width: 100%;
    height: 250px;
    background: var(--light-grey); /* Changed from gradient to solid grey */
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    position: relative;
    overflow: hidden;
}

/* To use actual images, add this to script.js:
   Instead of: <span>${product.emoji}</span>
   Use: <img src="images/${product.image}" alt="${product.name}" style="width: 100%; height: 100%; object-fit: cover;">
*/

.sale-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--primary);
    color: var(--secondary);
    padding: 0.4rem 0.8rem;
    font-weight: bold;
    font-size: 0.9rem;
    text-transform: uppercase;
}

.product-info {
    padding: 1.5rem;
}

.product-category {
    color: var(--mid-grey);
    font-size: 0.85rem;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 1px;
}

.product-name {
    font-size: 1.3rem;
    margin: 0.5rem 0;
    color: var(--primary);
}

.product-price {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 1rem 0;
}

.price-current {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary);
}

.price-original {
    text-decoration: line-through;
    color: var(--mid-grey);
    font-size: 1.1rem;
}

.add-to-cart {
    width: 100%;
    padding: 0.8rem;
    background: var(--primary);
    color: var(--secondary);
    border: 2px solid var(--primary);
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.add-to-cart:hover {
    background: var(--secondary);
    color: var(--primary);
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: var(--secondary);
    width: 90%;
    max-width: 900px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    border: 3px solid var(--primary);
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--primary);
    color: var(--secondary);
    border: none;
    width: 40px;
    height: 40px;
    font-size: 2rem;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.modal-close:hover {
    background: var(--dark-grey);
}

.modal-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    padding: 2rem;
}

.modal-image {
    width: 100%;
    height: 400px;
    background: var(--light-grey);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8rem;
    position: relative;
}

.modal-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.modal-product-name {
    font-size: 2rem;
    color: var(--primary);
    margin: 0;
}

.modal-price {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.option-group {
    margin: 1rem 0;
}

.option-label {
    display: block;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
    color: var(--primary);
}

.size-options, .color-options {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.size-btn, .color-btn {
    padding: 0.75rem 1.5rem;
    background: var(--secondary);
    border: 2px solid var(--border);
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.size-btn:hover, .color-btn:hover {
    border-color: var(--primary);
}

.size-btn.selected, .color-btn.selected {
    background: var(--primary);
    color: var(--secondary);
    border-color: var(--primary);
}

.color-name {
    display: block;
}

.error-message {
    color: #d32f2f;
    font-size: 0.85rem;
    margin-top: 0.5rem;
    font-weight: 600;
}

.modal-add-cart {
    margin-top: auto;
}

/* Features */
.features {
    background: var(--secondary);
    padding: 4rem 0;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    justify-items: center;
}

.feature-card {
    text-align: center;
    padding: 2rem;
    border: 1px solid var(--border);
    max-width: 300px;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: var(--primary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.feature-card p {
    color: var(--mid-grey);
}

/* Products Page */
.products-hero {
    background: var(--primary);
    color: var(--secondary);
    padding: 4rem 0;
    text-align: center;
}

.products-hero h1 {
    font-size: 3rem;
    letter-spacing: 2px;
}

.products-hero p {
    color: var(--mid-grey);
}

.products-section {
    padding: 4rem 0;
    background: var(--light-grey);
}

.filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.7rem 1.5rem;
    background: var(--secondary);
    border: 2px solid var(--border);
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.filter-btn:hover, .filter-btn.active {
    background: var(--primary);
    color: var(--secondary);
    border-color: var(--primary);
}

/* Cart Page */
.cart-section {
    padding: 4rem 0;
    min-height: 60vh;
}

.cart-section h1 {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.cart-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

.cart-items {
    background: var(--secondary);
    border: 2px solid var(--border);
    padding: 2rem;
}

.cart-item {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
}

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

.cart-item-image {
    width: 100px;
    height: 100px;
    background: var(--light-grey); /* Changed from gradient */
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    flex-shrink: 0;
}

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

.cart-item-name {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary);
}

.cart-item-category {
    color: var(--mid-grey);
    font-size: 0.9rem;
    text-transform: uppercase;
}

.cart-item-options {
    color: var(--mid-grey);
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

.cart-item-price {
    color: var(--primary);
    font-size: 1.3rem;
    font-weight: bold;
    margin-top: 0.5rem;
}

.cart-item-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.quantity-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--light-grey);
    padding: 0.3rem;
}

.quantity-btn {
    width: 30px;
    height: 30px;
    border: 2px solid var(--primary);
    background: var(--secondary);
    color: var(--primary);
    cursor: pointer;
    font-size: 1rem;
    font-weight: bold;
}

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

.quantity {
    padding: 0 1rem;
    font-weight: 600;
}

.remove-btn {
    background: none;
    border: none;
    color: var(--primary);
    cursor: pointer;
    font-size: 1.5rem;
}

.empty-cart {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--mid-grey);
}

.empty-cart p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.cart-summary {
    background: var(--secondary);
    border: 2px solid var(--border);
    padding: 2rem;
    height: fit-content;
    position: sticky;
    top: 100px;
}

.cart-summary h2 {
    margin-bottom: 1.5rem;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
}

.summary-row.total {
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--primary);
    border-bottom: none;
    padding-top: 1.5rem;
}

/* Checkout Page */
.checkout-section {
    padding: 4rem 0;
}

.checkout-section h1 {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.checkout-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

.checkout-form {
    background: var(--secondary);
    border: 2px solid var(--border);
    padding: 2rem;
}

.form-section {
    margin-bottom: 2rem;
}

.form-section h2 {
    color: var(--primary);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
}

.form-group input {
    width: 100%;
    padding: 0.8rem;
    border: 2px solid var(--border);
    font-size: 1rem;
    transition: border-color 0.3s;
    background: var(--secondary);
}

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

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

.checkout-summary {
    background: var(--secondary);
    border: 2px solid var(--border);
    padding: 2rem;
    height: fit-content;
    position: sticky;
    top: 100px;
}

.checkout-summary h2 {
    color: var(--primary);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.checkout-item {
    display: flex;
    justify-content: space-between;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
}

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

.checkout-item-name {
    font-weight: 600;
    color: var(--primary);
}

.checkout-item-qty {
    color: var(--mid-grey);
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

.checkout-item-price {
    font-weight: bold;
    color: var(--primary);
}

.summary-divider {
    height: 1px;
    background: var(--border);
    margin: 1rem 0;
}

/* Footer */
.footer {
    background: var(--primary);
    color: var(--secondary);
    text-align: center;
    padding: 2rem 0;
    margin-top: 4rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .cart-content, .checkout-content {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        gap: 1rem;
        font-size: 0.9rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }

    .modal-body {
        grid-template-columns: 1fr;
    }

    .modal-image {
        height: 300px;
        font-size: 5rem;
    }
    
    .logo {
        font-size: 1.4rem;
    }
    
    .logo-icon {
        font-size: 1.6rem;
    }
}