:root {
    --primary-blue: #0A1F44;
    --accent-red: #F43E49;
    --accent-green: #00C389;
    --white: #FFFFFF;
    --light-gray: #F8F9FA;
    --medium-gray: #6C757D;
    --dark-gray: #212529;
    --shadow: 0 2px 10px rgba(10, 31, 68, 0.1);
    --shadow-hover: 0 5px 20px rgba(10, 31, 68, 0.15);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
}

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

/* Buttons */
.btn-primary, .btn-secondary {
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-family: inherit;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: #d63643;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

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

.btn-secondary:hover {
    background-color: var(--primary-blue);
    color: var(--white);
    transform: translateY(-2px);
}

/* Header */
.header {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    text-decoration: none;
}

.logo i {
    color: var(--accent-red);
    font-size: 2rem;
}

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

.nav-list a {
    text-decoration: none;
    color: var(--dark-gray);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-list a:hover,
.nav-list a.active {
    color: var(--accent-red);
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-red);
    transition: var(--transition);
}

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

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

.search-container {
    position: relative;
    display: flex;
}

.search-input {
    padding: 8px 16px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius) 0 0 var(--border-radius);
    font-family: inherit;
    width: 200px;
}

.search-btn {
    padding: 8px 12px;
    background-color: var(--primary-blue);
    color: var(--white);
    border: none;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    cursor: pointer;
    transition: var(--transition);
}

.search-btn:hover {
    background-color: #0d2554;
}

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

/* Page Header */
.page-header {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, var(--light-gray) 0%, var(--white) 100%);
    text-align: center;
}

.breadcrumb {
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.breadcrumb a {
    color: var(--medium-gray);
    text-decoration: none;
}

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

.breadcrumb span {
    color: var(--medium-gray);
    margin: 0 0.5rem;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--light-gray) 0%, var(--white) 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text h1 {
    color: var(--primary-blue);
    margin-bottom: 1.5rem;
}

.hero-text p {
    font-size: 1.125rem;
    color: var(--medium-gray);
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    gap: 2rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-red);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--medium-gray);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--medium-gray);
    max-width: 600px;
    margin: 0 auto;
}

.section-footer {
    text-align: center;
    margin-top: 3rem;
}

/* Featured Categories */
.featured-categories {
    padding: 80px 0;
    background-color: var(--white);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.category-card {
    background-color: var(--light-gray);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

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

.category-icon {
    width: 80px;
    height: 80px;
    background-color: var(--accent-red);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--white);
    font-size: 2rem;
}

.category-card h3 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.category-card p {
    color: var(--medium-gray);
    margin-bottom: 1rem;
}

.category-count {
    font-size: 0.875rem;
    color: var(--accent-green);
    font-weight: 600;
}

/* Featured Products */
.featured-products {
    padding: 80px 0;
    background-color: var(--light-gray);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.product-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
}

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

.product-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
}

.product-category {
    font-size: 0.75rem;
    color: var(--accent-green);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.product-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.product-part {
    font-size: 0.875rem;
    color: var(--medium-gray);
    margin-bottom: 1rem;
}

.product-details {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.product-availability {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.availability-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--accent-green);
}

.product-price {
    font-weight: 600;
    color: var(--accent-red);
}

.product-actions {
    display: flex;
    gap: 0.5rem;
}

.product-actions .btn-primary,
.product-actions .btn-secondary {
    flex: 1;
    padding: 8px 12px;
    font-size: 0.875rem;
}

/* Features Section */
.features {
    padding: 80px 0;
    background-color: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    text-align: center;
    padding: 2rem;
    background-color: var(--light-gray);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    background-color: var(--accent-red);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--white);
    font-size: 2rem;
}

.feature-card h3 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--medium-gray);
    line-height: 1.6;
}

/* Newsletter */
.newsletter {
    padding: 60px 0;
    background-color: var(--primary-blue);
    color: var(--white);
}

.newsletter-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.newsletter-text h3 {
    margin-bottom: 0.5rem;
}

.newsletter-form {
    display: flex;
    gap: 1rem;
    min-width: 400px;
}

.newsletter-form input {
    flex: 1;
    padding: 12px 16px;
    border: none;
    border-radius: var(--border-radius);
    font-family: inherit;
}

.newsletter-form button {
    white-space: nowrap;
}

/* Footer */
.footer {
    background-color: var(--primary-blue);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-logo i {
    color: var(--accent-red);
    font-size: 2rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--accent-red);
    transform: translateY(-2px);
}

.footer-section h4 {
    margin-bottom: 1.5rem;
    color: var(--white);
}

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

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

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: rgba(255, 255, 255, 0.8);
}

.footer-contact i {
    width: 16px;
    color: var(--accent-red);
}

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
}

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

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    padding: 20px;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--white);
    border-radius: var(--border-radius);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease-out;
}

.product-modal-content {
    max-width: 800px;
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid #eee;
}

.modal-header h3 {
    color: var(--primary-blue);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--medium-gray);
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--accent-red);
}

/* Success Message */
.success-message {
    position: fixed;
    top: 20px;
    right: 20px;
    background-color: var(--accent-green);
    color: var(--white);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-hover);
    transform: translateX(100%);
    transition: var(--transition);
    z-index: 3000;
    max-width: 400px;
}

.success-message.show {
    transform: translateX(0);
}

.success-content {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.success-content i {
    font-size: 1.5rem;
    margin-top: 0.25rem;
}

.success-content h4 {
    margin-bottom: 0.5rem;
}

.success-content p {
    font-size: 0.875rem;
    opacity: 0.9;
    line-height: 1.4;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-content,
    .newsletter-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .search-input {
        width: 150px;
    }
    
    .newsletter-form {
        min-width: auto;
        width: 100%;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--white);
        box-shadow: var(--shadow);
        border-radius: 0 0 var(--border-radius) var(--border-radius);
    }
    
    .nav.active {
        display: block;
    }
    
    .nav-list {
        flex-direction: column;
        padding: 1rem;
        gap: 1rem;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .header-actions {
        gap: 0.5rem;
    }
    
    .search-container {
        display: none;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .featured-categories,
    .featured-products,
    .features {
        padding: 60px 0;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }
    
    .hero-image img {
        height: 250px;
    }
    
    .modal {
        padding: 10px;
    }
    
    .success-message {
        top: 10px;
        right: 10px;
        left: 10px;
        max-width: none;
    }
}