/* Reset et variables */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Palette professionnelle moderne 2024 */
    --primary-color: #1e40af;
    --secondary-color: #1e3a8a;
    --accent-color: #3b82f6;
    --accent-hover: #2563eb;
    --accent-light: #60a5fa;
    --dark-bg: #1f2937;
    --dark-bg-light: #374151;
    --text-color: #111827;
    --text-light: #6b7280;
    --text-white: #ffffff;
    --bg-color: #f9fafb;
    --white: #ffffff;
    --border-color: #e5e7eb;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1), 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-hover: 0 10px 25px rgba(30, 64, 175, 0.15), 0 4px 10px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.15);
    --gradient-primary: linear-gradient(135deg, #1e40af 0%, #1e3a8a 100%);
    --gradient-accent: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    --gradient-overlay: linear-gradient(135deg, rgba(30, 64, 175, 0.95) 0%, rgba(30, 58, 138, 0.95) 100%);
}

* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    color: var(--text-color);
    background: linear-gradient(180deg, #ffffff 0%, #f8f9fa 100%);
    background-attachment: fixed;
    line-height: 1.7;
    font-size: 16px;
    min-height: 100vh;
}

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

/* Header */
.main-header {
    background: var(--dark-bg);
    color: var(--text-white);
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo a {
    text-decoration: none;
    color: var(--text-white);
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: opacity 0.3s;
}

.logo a:hover {
    opacity: 0.9;
}

.logo-img {
    height: 55px;
    width: auto;
    flex-shrink: 0;
}

.logo-text {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.logo-text h1 {
    font-size: 1.5rem;
    margin: 0;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-white);
    letter-spacing: -0.5px;
}

.tagline {
    font-size: 0.75rem;
    color: #d1d5db;
    margin: 0;
    font-weight: 400;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    align-items: center;
}

.main-nav a {
    color: var(--text-white);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
}

.main-nav a:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-white);
}

.cart-link {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.cart-link:hover {
    background: rgba(255, 255, 255, 0.15);
}

.cart-link {
    position: relative;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
}

.cart-badge {
    background: var(--error-color);
    color: var(--white);
    border-radius: 10px;
    padding: 0.2rem 0.5rem;
    font-size: 0.7rem;
    font-weight: 700;
    min-width: 20px;
    text-align: center;
    box-shadow: 0 2px 4px rgba(239, 68, 68, 0.3);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* Main content */
.main-content {
    min-height: calc(100vh - 200px);
}

/* Hero section */
.hero {
    background: var(--gradient-primary);
    background-image: 
        linear-gradient(135deg, rgba(30, 64, 175, 0.95) 0%, rgba(30, 58, 138, 0.95) 100%),
        radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(59, 130, 246, 0.15) 0%, transparent 50%);
    background-size: cover;
    background-position: center;
    color: var(--text-white);
    padding: 6rem 0;
    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"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
    animation: slide 20s linear infinite;
}

@keyframes slide {
    0% { transform: translateX(0); }
    100% { transform: translateX(40px); }
}

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

.hero-content h2 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.2;
    color: var(--text-white);
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 0.8s ease-out;
}

@media (max-width: 768px) {
    .hero-content h2 {
        font-size: 2.5rem;
    }
}

.hero-content p {
    font-size: 1.4rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    font-weight: 300;
    letter-spacing: 0.01em;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-accent);
    color: var(--white);
    font-weight: 600;
    letter-spacing: 0.3px;
    font-size: 0.95rem;
    padding: 0.875rem 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    border: none;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.25);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::before {
    width: 400px;
    height: 400px;
}

.btn-primary i {
    margin-right: 0.5rem;
    animation: sparkle 2s infinite;
}

@keyframes sparkle {
    0%, 100% {
        transform: scale(1) rotate(0deg);
        opacity: 1;
    }
    50% {
        transform: scale(1.2) rotate(180deg);
        opacity: 0.8;
    }
}

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

.btn-primary:active {
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--secondary-color);
    color: var(--white);
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-size: 0.9rem;
    padding: 1rem 2.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 68, 153, 0.2);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-secondary:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 68, 153, 0.3);
}

.btn-cart {
    background: var(--gradient-accent);
    color: var(--white);
    width: 100%;
    margin-top: 0.75rem;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-cart i {
    font-size: 0.9rem;
}

.btn-cart:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

.btn-checkout {
    width: 100%;
    margin-bottom: 1rem;
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2.5rem;
    margin: 3rem 0;
    padding: 1rem 0;
}

@media (min-width: 1400px) {
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    }
}

.product-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border-color);
    position: relative;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2;
}

.product-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.08) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s;
    pointer-events: none;
}

.product-card:hover::before {
    transform: scaleX(1);
}

.product-card:hover::after {
    opacity: 1;
}


.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: var(--accent-light);
}

.product-image {
    width: 100%;
    height: 300px;
    overflow: hidden;
    background: linear-gradient(135deg, #f5f5f5 0%, #e4e4e7 50%, #d1d5db 100%);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.product-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, transparent 0%, rgba(0, 0, 0, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.4s;
    z-index: 1;
}

.product-image::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
    z-index: 1;
}

.product-card:hover .product-image::before {
    opacity: 1;
}

.product-card:hover .product-image::after {
    width: 300px;
    height: 300px;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1), filter 0.4s;
    filter: brightness(1);
    position: relative;
    z-index: 0;
}

.product-card:hover .product-image img {
    transform: scale(1.15) rotate(1deg);
    filter: brightness(1.1);
}

.product-info {
    padding: 2rem;
    position: relative;
    z-index: 1;
}

.product-info h3 {
    margin-bottom: 0.75rem;
    font-size: 1.3rem;
    font-weight: 700;
    line-height: 1.3;
    min-height: 3.2em;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-info h3 a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s;
    display: block;
}

.product-info h3 a:hover {
    color: var(--primary-color);
    text-decoration: none;
}

.product-description {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    min-height: 40px;
}

.product-price {
    font-size: 1.9rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.product-price-large {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin: 1.5rem 0;
    letter-spacing: -0.02em;
}

/* Section titles */
.section-title {
    text-align: center;
    font-size: 2.75rem;
    margin: 4rem 0 3rem;
    color: var(--primary-color);
    font-weight: 800;
    letter-spacing: -0.02em;
    position: relative;
    padding-bottom: 1.5rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

.page-title {
    font-size: 2.5rem;
    margin: 2.5rem 0 1.5rem;
    color: var(--primary-color);
    font-weight: 800;
    letter-spacing: -0.02em;
    position: relative;
    padding-bottom: 1rem;
}

.page-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

.page-subtitle {
    color: var(--text-light);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

/* Features section */
.features {
    background: var(--white);
    padding: 5rem 0;
    margin-top: 5rem;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.feature-item {
    text-align: center;
    padding: 3rem 2rem;
    border-radius: 16px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    background: var(--white);
    border: 2px solid transparent;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(37, 99, 235, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 0;
}

.feature-item:hover::before {
    opacity: 1;
}

.feature-item:hover {
    transform: translateY(-5px);
    border-color: var(--accent-light);
    box-shadow: var(--shadow-hover);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    display: inline-block;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 1;
}

.feature-item:hover .feature-icon {
    transform: scale(1.1) translateY(-3px);
    color: var(--accent-color);
}

.feature-item h3 {
    margin-bottom: 0.75rem;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.2rem;
    position: relative;
    z-index: 1;
}

.feature-item p {
    color: var(--text-light);
    position: relative;
    z-index: 1;
}

/* Cart page */
.cart-page {
    padding: 2rem 0;
}

.empty-cart {
    text-align: center;
    padding: 4rem 2rem;
}

.empty-cart-message {
    font-size: 1.3rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.cart-content {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 2rem;
    margin-top: 2rem;
}

.cart-table {
    width: 100%;
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border-collapse: separate;
    border-spacing: 0;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.cart-table thead {
    background: var(--gradient-primary);
    color: var(--white);
}

.cart-table thead th {
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

.cart-table th,
.cart-table td {
    padding: 1rem;
    text-align: left;
}

.cart-table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.2s;
}

.cart-table tbody tr:hover {
    background-color: rgba(192, 192, 192, 0.05);
}

.cart-table tbody tr:last-child {
    border-bottom: none;
}

.product-name-cell {
    font-weight: 600;
}

.quantity-input {
    width: 60px;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
}

.btn-update {
    padding: 0.625rem 1.25rem;
    background: var(--secondary-color);
    color: var(--white);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    margin-left: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(0, 68, 153, 0.2);
}

.btn-update:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 68, 153, 0.3);
}

.btn-remove {
    color: #dc2626;
    text-decoration: none;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: all 0.2s;
    display: inline-block;
}

.btn-remove:hover {
    background: #fee2e2;
    color: #991b1b;
    transform: translateY(-1px);
}

.subtotal {
    font-weight: 600;
    color: var(--accent-color);
}

.cart-summary {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.summary-box {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.summary-box h2 {
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.summary-line {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.total-line {
    border-bottom: 2px solid var(--primary-color);
    margin-top: 0.5rem;
    font-size: 1.2rem;
}

.free-shipping-note {
    margin-top: 1rem;
    padding: 1rem;
    background: #e8f5e9;
    border-radius: 5px;
    color: var(--success-color);
    font-size: 0.9rem;
}

/* Product detail page */
.product-detail {
    padding: 2rem 0;
}

.product-detail-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    background: var(--white);
    padding: 4rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.product-detail-content::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(192, 192, 192, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.product-image-large {
    position: relative;
    overflow: hidden;
    border-radius: 20px;
    background: linear-gradient(135deg, #f5f5f5 0%, #e4e4e7 50%, #d1d5db 100%);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.5);
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.product-image-large::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, transparent 0%, rgba(0, 0, 0, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.4s;
    z-index: 1;
}

.product-image-large:hover::before {
    opacity: 1;
}

.product-image-large img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 0;
}

.product-image-large:hover img {
    transform: scale(1.08);
}

.product-details h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
    background: var(--gradient-silver);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.product-description-full {
    margin: 1.5rem 0;
    line-height: 1.8;
}

.product-meta {
    margin: 1.5rem 0;
    padding: 1rem;
    background: var(--bg-color);
    border-radius: 5px;
}

.product-meta p {
    margin: 0.5rem 0;
}

.in-stock {
    color: var(--success-color);
    font-weight: 600;
}

.out-of-stock {
    color: var(--accent-color);
    font-weight: 600;
}

.out-of-stock-message {
    padding: 1rem;
    background: #ffebee;
    color: var(--accent-color);
    border-radius: 5px;
    margin: 1rem 0;
}

.quantity-selector {
    margin: 1.5rem 0;
}

.quantity-selector label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.quantity-selector input {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    width: 100px;
    font-size: 1rem;
}

.add-to-cart-form-large {
    margin: 2rem 0;
}

.product-actions {
    margin-top: 2rem;
}

/* Checkout page */
.checkout-page {
    padding: 2rem 0;
}

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

.checkout-form-section {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.checkout-form-section h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-color);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--white);
    color: var(--text-color);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(192, 192, 192, 0.2);
    transform: translateY(-1px);
}

.form-group input:hover,
.form-group textarea:hover {
    border-color: rgba(192, 192, 192, 0.4);
}

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

.payment-methods {
    margin: 1.5rem 0;
}

.payment-method {
    margin: 1rem 0;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    cursor: pointer;
    transition: border-color 0.3s;
}

.payment-method:hover {
    border-color: var(--accent-color);
}

.payment-method input[type="radio"] {
    margin-right: 0.5rem;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
}

.order-summary-section {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.order-summary-box {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 120px;
}

.order-summary-box h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.order-items {
    margin-bottom: 1.5rem;
}

.order-item {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

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

.item-name {
    flex: 1;
}

.item-quantity {
    margin: 0 1rem;
    color: var(--text-light);
}

.order-totals {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 2px solid var(--border-color);
}

.total-line {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
}

.final-total {
    font-size: 1.3rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 2px solid var(--primary-color);
}

/* Confirmation page */
.confirmation-page {
    padding: 4rem 0;
}

.confirmation-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.confirmation-icon {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4.5rem;
    margin: 0 auto 2rem;
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3);
    animation: scaleIn 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.confirmation-icon::before {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border-radius: 50%;
    border: 3px solid var(--success-color);
    opacity: 0.3;
    animation: pulse-ring 2s infinite;
}

@keyframes scaleIn {
    from {
        transform: scale(0);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes pulse-ring {
    0% {
        transform: scale(1);
        opacity: 0.3;
    }
    100% {
        transform: scale(1.3);
        opacity: 0;
    }
}

.confirmation-icon i {
    position: relative;
    z-index: 1;
}

.confirmation-message {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.order-details-box {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    text-align: left;
    margin: 2rem 0;
}

.order-details-box h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    text-align: center;
}

.order-info {
    margin-bottom: 2rem;
}

.order-info p {
    margin: 0.75rem 0;
}

.order-items-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}

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

.order-items-table thead {
    background: var(--bg-color);
}

.order-items-table tfoot {
    font-weight: 600;
}

.status-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--success-color);
    color: var(--white);
    border-radius: 5px;
    font-weight: 600;
}

.confirmation-actions {
    margin-top: 2rem;
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Footer */
.main-footer {
    background: var(--dark-bg);
    color: var(--text-white);
    padding: 3rem 0 1.5rem;
    margin-top: 4rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin: 0.5rem 0;
}

.footer-section a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.9;
    transition: all 0.3s;
    display: inline-block;
}

.footer-section a:hover {
    opacity: 1;
    transform: translateX(5px);
    color: rgba(255, 255, 255, 1);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.8;
}

/* Messages */
.success-message,
.error-message {
    padding: 1.25rem 1.5rem;
    margin: 1.5rem 0;
    border-radius: 12px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow);
    animation: slideDown 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.success-message::before {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 1.25rem;
}

.error-message::before {
    content: '\f06a';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 1.25rem;
}

.success-message {
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
    color: var(--success-color);
    border: 2px solid var(--success-color);
}

.error-message {
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
    color: #dc2626;
    border: 2px solid #dc2626;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.no-products {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-light);
    font-size: 1.2rem;
}

/* Responsive */
@media (max-width: 968px) {
    .cart-content,
    .checkout-content,
    .product-detail-content {
        grid-template-columns: 1fr;
    }
    
    .cart-summary,
    .order-summary-section {
        position: static;
    }
    
    .hero-content h2 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1.1rem;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .logo a {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .logo-img {
        height: 50px;
        margin: 0 auto;
    }
    
    .logo-text h1 {
        font-size: 1.5rem;
    }
    
    .main-nav ul {
        gap: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 1rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .confirmation-actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 3rem 0;
    }
    
    .hero-content h2 {
        font-size: 1.5rem;
    }
    
    .section-title,
    .page-title {
        font-size: 1.8rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
}