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

:root {
    --primary-color: #8B2635;
    --secondary-color: #D4A574;
    --dark-bg: #1a1a1a;
    --light-bg: #f8f6f3;
    --text-dark: #2c2c2c;
    --text-light: #666;
    --border-color: #e0e0e0;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    background-color: var(--light-bg);
    line-height: 1.6;
}

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

/* Header */
.header {
    background: white;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
}

.logo h1 {
    font-family: 'Playfair Display', serif;
    font-size: 1.8rem;
    color: var(--primary-color);
    font-weight: 700;
}

.nav {
    display: flex;
    gap: 2rem;
}

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

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

.cart-btn {
    position: relative;
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: background 0.3s;
}

.cart-btn:hover {
    background: #6d1d29;
}

.cart-count {
    background: var(--secondary-color);
    color: var(--dark-bg);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 600;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, #6d1d29 100%);
    color: white;
    padding: 8rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-family: 'Playfair Display', serif;
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.3s;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: #c4955f;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-full {
    width: 100%;
}

/* Wines Section */
.wines-section {
    padding: 5rem 0;
}

.section-title {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

/* Filters */
.filters {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.search-input,
.filter-select {
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    transition: border-color 0.3s;
}

.search-input {
    flex: 1;
    min-width: 200px;
}

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

.filter-select {
    min-width: 150px;
}

/* Wine Grid */
.wines-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.wine-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
    cursor: pointer;
}

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

.wine-image {
    width: 100%;
    height: 300px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: white;
    position: relative;
}

.wine-image::after {
    content: '🍷';
    font-size: 4rem;
}

.wine-info {
    padding: 1.5rem;
}

.wine-name {
    font-family: 'Playfair Display', serif;
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.wine-type {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    text-transform: capitalize;
}

.wine-region {
    color: var(--text-light);
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.wine-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.wine-price {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
}

.add-to-cart {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: background 0.3s;
}

.add-to-cart:hover {
    background: #6d1d29;
}

/* Cart Sidebar */
.cart-sidebar {
    position: fixed;
    right: -400px;
    top: 0;
    width: 400px;
    height: 100vh;
    background: white;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transition: right 0.3s;
    display: flex;
    flex-direction: column;
}

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

.cart-header {
    padding: 1.5rem;
    border-bottom: 2px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cart-header h2 {
    font-family: 'Playfair Display', serif;
    color: var(--primary-color);
}

.close-cart {
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-light);
    line-height: 1;
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
}

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

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

.cart-item-image {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    flex-shrink: 0;
}

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

.cart-item-name {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.cart-item-price {
    color: var(--text-light);
    font-size: 0.9rem;
}

.cart-item-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.quantity-btn {
    background: var(--border-color);
    border: none;
    width: 28px;
    height: 28px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    transition: background 0.3s;
}

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

.quantity {
    min-width: 30px;
    text-align: center;
}

.remove-item {
    background: none;
    border: none;
    color: #e74c3c;
    cursor: pointer;
    font-size: 0.9rem;
    margin-left: auto;
    padding: 0.25rem 0.5rem;
}

.cart-footer {
    padding: 1.5rem;
    border-top: 2px solid var(--border-color);
}

.cart-total {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    text-align: right;
    color: var(--primary-color);
}

.btn-checkout {
    width: 100%;
}

.cart-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    display: none;
}

.cart-overlay.show {
    display: block;
}

/* Checkout Modal */
.checkout-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    width: 90%;
    max-width: 600px;
    background: white;
    border-radius: 12px;
    z-index: 1001;
    display: none;
    max-height: 90vh;
    overflow-y: auto;
}

.checkout-modal.open {
    display: block;
    transform: translate(-50%, -50%) scale(1);
    transition: transform 0.3s;
}

.checkout-header {
    padding: 1.5rem;
    border-bottom: 2px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    background: white;
    z-index: 1;
}

.checkout-header h2 {
    font-family: 'Playfair Display', serif;
    color: var(--primary-color);
}

.close-checkout {
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-light);
    line-height: 1;
}

.checkout-form {
    padding: 1.5rem;
}

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

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

.form-group input {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    transition: border-color 0.3s;
}

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

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

.checkout-summary {
    background: var(--light-bg);
    padding: 1.5rem;
    border-radius: 8px;
    margin: 2rem 0;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.summary-row.total {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 2px solid var(--border-color);
}

.checkout-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    display: none;
}

.checkout-overlay.show {
    display: block;
}

/* Success Message */
.success-message {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    padding: 3rem;
    border-radius: 12px;
    text-align: center;
    z-index: 1002;
    box-shadow: var(--shadow-lg);
    display: none;
}

.success-message.show {
    display: block;
}

.success-icon {
    display: inline-block;
    width: 60px;
    height: 60px;
    background: #27ae60;
    color: white;
    border-radius: 50%;
    line-height: 60px;
    font-size: 2rem;
    margin-bottom: 1rem;
}

.success-content h3 {
    font-family: 'Playfair Display', serif;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.success-content p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        flex-wrap: wrap;
    }

    .nav {
        order: 3;
        width: 100%;
        justify-content: center;
        margin-top: 1rem;
        gap: 1rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .wines-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 1.5rem;
    }

    .cart-sidebar {
        width: 100%;
        right: -100%;
    }

    .filters {
        flex-direction: column;
    }

    .search-input,
    .filter-select {
        width: 100%;
    }

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