/* 
==============================================
TABLE OF CONTENTS
==============================================
1. Global Styles
2. Typography
3. Layout
4. Navigation
5. Header
6. Buttons
7. Forms
8. Hero Section
9. Products Section
10. Advantages Section
11. About Products Section
12. Product Cards
13. Product Details Page
14. Cart Page
15. Checkout Page
16. Success Page
17. About Us Page
18. Contact Page
19. Footer
20. Cookie Notice
21. Notification
22. Glossary
23. Utilities
24. Data Visualization
25. Media Queries
==============================================
*/

/* 
==============================================
1. Global Styles
==============================================
*/

:root {
    --primary-color: #3a6ea5;
    --primary-color-dark: #2c5282;
    --primary-color-light: #4d7fb8;
    --secondary-color: #f06543;
    --secondary-color-dark: #e05336;
    --secondary-color-light: #f17a5c;
    --tertiary-color: #2e4057;
    --accent-color: #f9c22e;
    --light-bg: #f8f9fa;
    --dark-bg: #121212;
    --text-color: #333;
    --text-light: #666;
    --text-lighter: #999;
    --border-color: #e1e1e1;
    --success-color: #28a745;
    --error-color: #dc3545;
    --warning-color: #ffc107;
    --white: #ffffff;
    --black: #000000;
    
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    --border-radius-full: 9999px;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    --container-width: 1200px;
    --container-padding: 1rem;
    
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-family-heading: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
    overflow-x: hidden;
}

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

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

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

ul, ol {
    list-style: none;
}

/* 
==============================================
2. Typography
==============================================
*/

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--tertiary-color);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

h5 {
    font-size: 1.1rem;
}

h6 {
    font-size: 1rem;
}

p {
    margin-bottom: 1.5rem;
}

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

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

.text-primary {
    color: var(--primary-color);
}

.text-secondary {
    color: var(--secondary-color);
}

.text-success {
    color: var(--success-color);
}

.text-error {
    color: var(--error-color);
}

/* 
==============================================
3. Layout
==============================================
*/

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    width: 100%;
}

.container-sm {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
    width: 100%;
}

section {
    padding: var(--spacing-2xl) 0;
}

.page-header {
    background-color: var(--light-bg);
    padding: var(--spacing-2xl) 0;
    margin-bottom: var(--spacing-2xl);
}

.page-header h1 {
    margin-bottom: var(--spacing-sm);
}

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

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

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

/* 
==============================================
4. Navigation
==============================================
*/

nav ul {
    display: flex;
    gap: var(--spacing-lg);
}

nav a {
    color: var(--tertiary-color);
    font-weight: 600;
    font-size: 1.1rem;
}

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

nav a.active {
    color: var(--primary-color);
    position: relative;
}

nav a.active::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    right: 0;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: var(--border-radius-full);
}

.cart-link {
    position: relative;
    display: flex;
    align-items: center;
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background-color: var(--secondary-color);
    color: var(--white);
    font-size: 0.7rem;
    font-weight: 700;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-full);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
}

.mobile-toggle span {
    height: 3px;
    width: 100%;
    background-color: var(--tertiary-color);
    border-radius: var(--border-radius-full);
    transition: var(--transition-fast);
}

/* 
==============================================
5. Header
==============================================
*/

header {
    padding: var(--spacing-md) 0;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    background-color: var(--white);
    z-index: 1000;
}

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

.logo {
    display: flex;
    align-items: center;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--tertiary-color);
}

.logo img {
    height: 40px;
    margin-right: var(--spacing-sm);
    border-radius: var(--border-radius-sm);
}

.logo a {
    display: flex;
    align-items: center;
    color: var(--tertiary-color);
}

/* 
==============================================
6. Buttons
==============================================
*/

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    line-height: 1;
}

.btn:hover {
    transform: translateY(-2px);
}

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

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

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

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

.btn-tertiary {
    background-color: transparent;
    color: var(--tertiary-color);
    border: 1px solid var(--border-color);
}

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

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
}

/* 
==============================================
7. Forms
==============================================
*/

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--tertiary-color);
}

input, textarea, select {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-family);
    font-size: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    background-color: var(--white);
    transition: border-color var(--transition-fast);
}

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

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

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin-top: 0.3rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group.full-width {
    grid-column: 1 / -1;
}

/* 
==============================================
8. Hero Section
==============================================
*/

.hero {
    background-color: var(--light-bg);
    background-image: linear-gradient(135deg, var(--primary-color-light) 0%, var(--primary-color) 100%);
    color: var(--white);
    padding: var(--spacing-3xl) 0;
    margin-bottom: var(--spacing-2xl);
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 600px;
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: 2.8rem;
    margin-bottom: var(--spacing-md);
    color: var(--white);
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
}

/* 
==============================================
9. Products Section
==============================================
*/

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.small-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}

.products h2 {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

/* 
==============================================
10. Advantages Section
==============================================
*/

.advantages {
    background-color: var(--light-bg);
    padding: var(--spacing-3xl) 0;
}

.advantages h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

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

.advantage-card {
    background-color: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.advantage-card .icon {
    margin: 0 auto var(--spacing-lg);
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-color-light);
    color: var(--white);
    border-radius: var(--border-radius-full);
}

.advantage-card h3 {
    margin-bottom: var(--spacing-sm);
}

.advantage-card p {
    color: var(--text-light);
    margin-bottom: 0;
}

.statistics {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    margin: var(--spacing-2xl) 0;
}

.stat {
    text-align: center;
    padding: 0 var(--spacing-md);
}

.stat h4 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.stat p {
    font-weight: 600;
    margin-bottom: 0;
}

.cta {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.cta p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
}

/* 
==============================================
11. About Products Section
==============================================
*/

.about-products {
    padding: var(--spacing-3xl) 0;
}

.about-products h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.product-info {
    max-width: 800px;
    margin: 0 auto;
}

.quality-guarantees {
    background-color: var(--light-bg);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    margin: var(--spacing-xl) 0;
}

.quality-guarantees h3 {
    margin-bottom: var(--spacing-md);
}

.quality-guarantees ul {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.quality-guarantees li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.quality-guarantees svg {
    flex-shrink: 0;
    color: var(--success-color);
}

/* 
==============================================
12. Product Cards
==============================================
*/

.product-card {
    background-color: var(--white);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.product-image {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
}

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

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

.product-details {
    padding: var(--spacing-lg);
}

.product-details h3 {
    margin-bottom: var(--spacing-sm);
    font-size: 1.25rem;
}

.product-details h3 a {
    color: var(--tertiary-color);
    transition: color var(--transition-fast);
}

.product-details h3 a:hover {
    color: var(--primary-color);
}

.product-description {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    min-height: 50px;
}

.product-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
}

.product-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* 
==============================================
13. Product Details Page
==============================================
*/

.product-details-section {
    padding-top: 0;
}

.product-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.product-image-large {
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

.product-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.product-info h1 {
    margin-bottom: var(--spacing-xs);
}

.product-rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.stars {
    display: flex;
    color: var(--accent-color);
}

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

.product-price {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-sm);
}

.product-availability {
    color: var(--success-color);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.product-short-desc {
    color: var(--text-color);
    margin-bottom: var(--spacing-lg);
}

.product-variants {
    margin-bottom: var(--spacing-lg);
}

.product-variants h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
}

.variant-options {
    margin-bottom: var(--spacing-md);
}

.color-options, .size-options, .mount-options {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
}

.color-option, .size-option, .mount-option {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    background-color: var(--white);
}

.color-option.active, .size-option.active, .mount-option.active {
    border-color: var(--primary-color);
    background-color: var(--primary-color-light);
    color: var(--white);
}

.quantity-selector {
    display: flex;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    max-width: 120px;
}

.quantity-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--light-bg);
    color: var(--text-color);
    border: none;
    cursor: pointer;
    font-size: 1.25rem;
    transition: background-color var(--transition-fast);
}

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

.quantity-input {
    width: 48px;
    height: 36px;
    text-align: center;
    border: none;
    -moz-appearance: textfield;
}

.quantity-input::-webkit-outer-spin-button,
.quantity-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.product-meta {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.product-meta p {
    margin-bottom: var(--spacing-xs);
}

.product-meta strong {
    color: var(--tertiary-color);
}

.product-tabs {
    margin-bottom: var(--spacing-2xl);
}

.tabs-navigation {
    display: flex;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: var(--spacing-lg);
    overflow-x: auto;
}

.tab-btn {
    padding: var(--spacing-md) var(--spacing-lg);
    background: transparent;
    border: none;
    font-weight: 600;
    color: var(--text-color);
    cursor: pointer;
    transition: color var(--transition-fast);
    white-space: nowrap;
}

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

.tab-btn.active {
    color: var(--primary-color);
    box-shadow: inset 0 -2px 0 var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.feature-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.feature-list li {
    display: flex;
    gap: var(--spacing-md);
    background-color: var(--light-bg);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
}

.feature-list svg {
    color: var(--primary-color);
    flex-shrink: 0;
    margin-top: var(--spacing-xs);
}

.feature-list h3 {
    margin-bottom: var(--spacing-xs);
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
}

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

.specs-table th {
    font-weight: 600;
    color: var(--tertiary-color);
    width: 30%;
}

.review-summary {
    display: flex;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.average-rating {
    flex-basis: 200px;
    text-align: center;
}

.rating-large {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1;
    color: var(--tertiary-color);
    margin-bottom: var(--spacing-sm);
    display: block;
}

.rating-breakdown {
    flex: 1;
    min-width: 300px;
}

.breakdown-row {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.breakdown-row .stars {
    width: 100px;
    flex-shrink: 0;
}

.progress-bar {
    flex: 1;
    height: 8px;
    background-color: var(--light-bg);
    border-radius: var(--border-radius-full);
    margin: 0 var(--spacing-md);
    overflow: hidden;
}

.progress {
    height: 100%;
    background-color: var(--primary-color);
    border-radius: var(--border-radius-full);
}

.percentage {
    width: 40px;
    text-align: right;
    color: var(--text-light);
}

.review-list {
    margin-top: var(--spacing-xl);
}

.review {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.review-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-xs);
}

.review-author {
    font-weight: 600;
}

.review-date {
    color: var(--text-light);
    font-size: 0.9rem;
}

.review-title {
    margin: var(--spacing-sm) 0;
    font-weight: 600;
}

.review-text {
    color: var(--text-color);
}

.related-products h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

/* 
==============================================
14. Cart Page
==============================================
*/

.cart-section {
    min-height: 60vh;
}

.cart-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
}

.empty-cart {
    grid-column: span 2;
    text-align: center;
    padding: var(--spacing-2xl);
}

.empty-cart svg {
    margin: 0 auto var(--spacing-lg);
    color: var(--text-lighter);
}

.empty-cart h2 {
    margin-bottom: var(--spacing-sm);
}

.empty-cart p {
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
}

.cart-header {
    display: grid;
    grid-template-columns: 3fr 1fr 1fr 1fr 0.5fr;
    gap: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-color);
    font-weight: 600;
    color: var(--tertiary-color);
}

.cart-item {
    display: grid;
    grid-template-columns: 3fr 1fr 1fr 1fr 0.5fr;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--border-color);
    align-items: center;
}

.cart-item-info {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.cart-item-image {
    width: 80px;
    height: 80px;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    flex-shrink: 0;
}

.cart-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cart-item-name {
    font-weight: 600;
}

.cart-item-price, .cart-item-subtotal {
    font-weight: 600;
}

.cart-item-quantity {
    display: flex;
    align-items: center;
}

.remove-item {
    background: none;
    border: none;
    color: var(--error-color);
    cursor: pointer;
    padding: var(--spacing-xs);
}

.remove-item:hover {
    color: var(--text-color);
}

.cart-actions {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-lg);
}

.cart-coupon {
    display: flex;
    gap: var(--spacing-sm);
    max-width: 350px;
}

.cart-summary {
    background-color: var(--light-bg);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    height: fit-content;
    position: sticky;
    top: 100px;
}

.cart-summary h2 {
    margin-bottom: var(--spacing-lg);
    font-size: 1.5rem;
}

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

.total-item {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--tertiary-color);
}

.discount-item {
    color: var(--success-color);
}

.checkout-btn {
    display: block;
    width: 100%;
    margin: var(--spacing-md) 0;
    font-weight: 600;
}

.continue-shopping {
    text-align: center;
    margin-top: var(--spacing-md);
}

.continue-shopping a {
    display: inline-flex;
    align-items: center;
    color: var(--text-light);
    font-size: 0.9rem;
}

.continue-shopping a svg {
    margin-right: var(--spacing-xs);
}

.cart-features {
    background-color: var(--light-bg);
    margin-top: var(--spacing-2xl);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-xl);
}

.feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.feature-icon {
    color: var(--primary-color);
}

.feature-content h3 {
    margin-bottom: 0;
    font-size: 1.1rem;
}

.feature-content p {
    margin-bottom: 0;
    font-size: 0.9rem;
    color: var(--text-light);
}

/* 
==============================================
15. Checkout Page
==============================================
*/

.checkout-content {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: var(--spacing-xl);
}

.checkout-details {
    padding-right: var(--spacing-lg);
}

.billing-details, .shipping-details {
    margin-bottom: var(--spacing-xl);
}

.order-summary {
    background-color: var(--light-bg);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    height: fit-content;
    position: sticky;
    top: 100px;
}

.order-summary h2 {
    margin-bottom: var(--spacing-lg);
    font-size: 1.5rem;
}

.order-details {
    margin-bottom: var(--spacing-lg);
}

.order-header {
    display: flex;
    justify-content: space-between;
    padding-bottom: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-color);
    font-weight: 600;
    color: var(--tertiary-color);
}

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

.order-item-name {
    padding-right: var(--spacing-md);
}

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

.subtotal {
    font-weight: 600;
}

.total {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--tertiary-color);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--border-color);
}

.terms-agreement {
    margin: var(--spacing-lg) 0;
}

.complete-order {
    width: 100%;
}

.secure-checkout {
    background-color: var(--light-bg);
    margin-top: var(--spacing-3xl);
    padding: var(--spacing-xl) 0;
}

.secure-checkout-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    text-align: center;
}

.secure-icon {
    color: var(--success-color);
}

.secure-text h2 {
    margin-bottom: var(--spacing-xs);
    font-size: 1.5rem;
}

.secure-text p {
    margin-bottom: 0;
    color: var(--text-light);
}

/* 
==============================================
16. Success Page
==============================================
*/

.success-section {
    text-align: center;
    padding: var(--spacing-3xl) 0;
}

.success-content {
    max-width: 800px;
    margin: 0 auto;
}

.success-icon {
    color: var(--success-color);
    margin-bottom: var(--spacing-lg);
}

.success-message {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-xl);
}

.order-confirmation {
    background-color: var(--light-bg);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-xl);
}

.what-happens-next {
    margin: var(--spacing-2xl) 0;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.step-card {
    padding: var(--spacing-lg);
    background-color: var(--white);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.step-icon {
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.step-card h3 {
    margin-bottom: var(--spacing-sm);
    font-size: 1.2rem;
}

.step-card p {
    color: var(--text-light);
    margin-bottom: 0;
}

.action-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.review-request {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
}

.recommended-products {
    background-color: var(--light-bg);
    padding: var(--spacing-2xl) 0;
}

.recommended-products h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

/* 
==============================================
17. About Us Page
==============================================
*/

.about-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.about-image {
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.value-card {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--white);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.value-icon {
    margin: 0 auto var(--spacing-md);
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
}

.value-card h3 {
    margin-bottom: var(--spacing-sm);
}

.value-card p {
    color: var(--text-light);
    margin-bottom: 0;
}

.process-steps {
    margin-top: var(--spacing-xl);
}

.process-step {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.step-number {
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h3 {
    margin-bottom: var(--spacing-xs);
}

.step-content p {
    margin-bottom: 0;
    color: var(--text-light);
}

.team-section {
    background-color: var(--light-bg);
    padding: var(--spacing-3xl) 0;
}

.team-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.team-member {
    background-color: var(--white);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.team-member img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
}

.team-member h3 {
    margin: var(--spacing-md) var(--spacing-md) var(--spacing-xs);
}

.team-member p {
    margin: 0 var(--spacing-md) var(--spacing-xs);
}

.team-member p:first-of-type {
    color: var(--primary-color);
    font-weight: 600;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin: var(--spacing-md);
}

.social-links a {
    width: 36px;
    height: 36px;
    background-color: var(--light-bg);
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-fast);
}

.social-links a:hover {
    background-color: var(--primary-color-light);
    color: var(--white);
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    text-align: center;
}

.achievement-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.testimonial {
    background-color: var(--white);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.testimonial-content {
    font-style: italic;
    margin-bottom: var(--spacing-md);
}

.testimonial-content p {
    margin-bottom: 0;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
}

.author-title {
    color: var(--text-light);
    font-size: 0.9rem;
}

.cta-section {
    background-color: var(--primary-color);
    color: var(--white);
    padding: var(--spacing-3xl) 0;
    text-align: center;
}

.cta-content h2 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    margin-bottom: var(--spacing-lg);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* 
==============================================
18. Contact Page
==============================================
*/

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-2xl);
}

.contact-info {
    padding-right: var(--spacing-lg);
}

.info-item {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.info-icon {
    color: var(--primary-color);
    flex-shrink: 0;
    margin-top: 5px;
}

.info-content h3 {
    margin-bottom: var(--spacing-xs);
    font-size: 1.1rem;
}

.info-content p {
    margin-bottom: var(--spacing-xs);
}

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

.social-contact h3 {
    margin-bottom: var(--spacing-md);
}

.social-icons {
    display: flex;
    gap: var(--spacing-sm);
}

.social-icons a {
    width: 40px;
    height: 40px;
    background-color: var(--light-bg);
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.social-icons a:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

.contact-form-container {
    background-color: var(--white);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.map-section {
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.map-section h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.map-responsive {
    overflow: hidden;
    padding-bottom: 56.25%;
    position: relative;
    height: 0;
    border-radius: var(--border-radius-md);
}

.map-responsive iframe {
    left: 0;
    top: 0;
    height: 100%;
    width: 100%;
    position: absolute;
    border: 0;
}

.map-placeholder {
    background-color: var(--light-bg);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-3xl) 0;
    text-align: center;
    color: var(--text-light);
}

.map-placeholder svg {
    margin: 0 auto var(--spacing-md);
    color: var(--primary-color);
}

.faq-section {
    background-color: var(--light-bg);
    padding: var(--spacing-3xl) 0;
}

.faq-section h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--white);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    cursor: pointer;
}

.faq-question h3 {
    margin-bottom: 0;
    font-size: 1.1rem;
}

.faq-toggle {
    background: none;
    border: none;
    color: var(--primary-color);
    cursor: pointer;
    padding: var(--spacing-xs);
    transform: rotate(0deg);
    transition: transform var(--transition-fast);
}

.faq-item.active .faq-toggle {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    display: none;
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-more {
    text-align: center;
    margin-top: var(--spacing-xl);
}

/* 
==============================================
19. Footer
==============================================
*/

footer {
    background-color: var(--tertiary-color);
    color: var(--white);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.footer-logo img {
    width: 40px;
    height: 40px;
    margin-right: var(--spacing-sm);
    border-radius: var(--border-radius-sm);
}

.footer-logo h3 {
    color: var(--white);
    margin-bottom: 0;
}

.footer-column p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-md);
}

.footer-column h3 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
    font-size: 1.2rem;
}

.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-column ul li a {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
}

.footer-column ul li a:hover {
    color: var(--white);
}

.footer-column address {
    font-style: normal;
    color: rgba(255, 255, 255, 0.8);
}

.footer-column address p {
    margin-bottom: var(--spacing-sm);
}

.footer-column address a {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
}

.footer-column address a:hover {
    color: var(--white);
}

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

.footer-bottom p {
    margin-bottom: var(--spacing-xs);
}

/* 
==============================================
20. Cookie Notice
==============================================
*/

.cookie-notice {
    position: fixed;
    bottom: -100%;
    left: 0;
    right: 0;
    background-color: var(--white);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-lg);
    z-index: 1001;
    transition: bottom var(--transition-normal);
}

.cookie-notice.show {
    bottom: 0;
}

.cookie-content p {
    margin-bottom: var(--spacing-md);
}

.cookie-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
}

.cookie-more-info {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 0;
}

/* 
==============================================
21. Notification
==============================================
*/

.notification {
    position: fixed;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--success-color);
    color: var(--white);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    z-index: 1002;
    transition: top var(--transition-normal);
    white-space: nowrap;
}

.notification.show {
    top: 20px;
}

.notification p {
    margin-bottom: 0;
}

/* 
==============================================
22. Glossary
==============================================
*/

.glossary {
    background-color: var(--light-bg);
    padding: var(--spacing-2xl) 0;
    margin-top: var(--spacing-2xl);
}

.glossary h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.glossary-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.glossary-item {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
}

.glossary-item h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

.glossary-item p {
    margin-bottom: 0;
    color: var(--text-light);
    font-size: 0.95rem;
}

/* 
==============================================
23. Utilities
==============================================
*/

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

.mb-0 {
    margin-bottom: 0 !important;
}

.mb-1 {
    margin-bottom: var(--spacing-sm) !important;
}

.mb-2 {
    margin-bottom: var(--spacing-md) !important;
}

.mb-3 {
    margin-bottom: var(--spacing-lg) !important;
}

.mb-4 {
    margin-bottom: var(--spacing-xl) !important;
}

.mb-5 {
    margin-bottom: var(--spacing-2xl) !important;
}

.mt-0 {
    margin-top: 0 !important;
}

.mt-1 {
    margin-top: var(--spacing-sm) !important;
}

.mt-2 {
    margin-top: var(--spacing-md) !important;
}

.mt-3 {
    margin-top: var(--spacing-lg) !important;
}

.mt-4 {
    margin-top: var(--spacing-xl) !important;
}

.mt-5 {
    margin-top: var(--spacing-2xl) !important;
}

.d-none {
    display: none !important;
}

.d-block {
    display: block !important;
}

.d-flex {
    display: flex !important;
}

/* 
==============================================
24. Data Visualization
==============================================
*/

.data-visualization {
    background-color: var(--light-bg);
    padding: var(--spacing-3xl) 0;
    margin-top: var(--spacing-2xl);
}

.data-visualization h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.chart-container {
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
}

.chart-description {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    color: var(--text-light);
}

/* 
==============================================
25. Media Queries
==============================================
*/

@media screen and (max-width: 1024px) {
    .product-details {
        grid-template-columns: 1fr;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        padding-right: 0;
    }
}

@media screen and (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    header {
        padding: var(--spacing-sm) 0;
    }
    
    nav {
        position: fixed;
        top: 0;
        left: -100%;
        width: 70%;
        height: 100vh;
        background-color: var(--white);
        padding: var(--spacing-xl);
        box-shadow: var(--shadow-lg);
        transition: left var(--transition-normal);
        z-index: 1001;
    }
    
    nav.open {
        left: 0;
    }
    
    nav ul {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .product-tabs .tabs-navigation {
        flex-wrap: wrap;
    }
    
    .cart-content {
        grid-template-columns: 1fr;
    }
    
    .cart-header .product-column,
    .cart-item .product-info {
        grid-column: span 3;
    }
    
    .cart-actions {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .checkout-content {
        grid-template-columns: 1fr;
    }
    
    .action-buttons {
        flex-direction: column;
    }
}

@media screen and (max-width: 576px) {
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .cart-header, .cart-item {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    .cart-header .product-column {
        grid-column: auto;
    }
    
    .cart-header .price-column,
    .cart-header .quantity-column,
    .cart-header .subtotal-column,
    .cart-header .remove-column {
        display: none;
    }
    
    .cart-item-info {
        flex-direction: column;
        text-align: center;
    }
    
    .cart-item-image {
        margin: 0 auto;
    }
    
    .cart-item-quantity {
        justify-content: center;
        margin: var(--spacing-sm) 0;
    }
    
    .remove-item {
        margin: 0 auto;
    }
}