/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
}

a {
    color: #0066cc;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #004499;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    line-height: 1;
}

.btn-primary {
    background-color: #0066cc;
    color: #fff;
}

.btn-primary:hover {
    background-color: #004499;
    color: #fff;
}

.btn-secondary {
    background-color: #6c757d;
    color: #fff;
}

.btn-secondary:hover {
    background-color: #545b62;
    color: #fff;
}

.btn-outline {
    background-color: transparent;
    color: #0066cc;
    border: 2px solid #0066cc;
}

.btn-outline:hover {
    background-color: #0066cc;
    color: #fff;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.125rem;
}

/* Navigation */
.navbar {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 20px;
}

.navbar-brand .logo img {
    height: 40px;
    width: auto;
}

.navbar-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    padding: 5px;
}

.navbar-toggle span {
    display: block;
    height: 3px;
    width: 25px;
    background-color: #333;
    margin: 3px 0;
    transition: all 0.3s ease;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.navbar-nav {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
}

.navbar-nav li {
    position: relative;
}

.navbar-nav a {
    color: #333;
    font-weight: 500;
    padding: 0.5rem 0;
    display: block;
}

.navbar-nav a:hover,
.navbar-nav a.active {
    color: #0066cc;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #fff;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border-radius: 6px;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 100;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    padding: 12px 16px;
    border-bottom: 1px solid #f0f0f0;
    color: #666;
}

.dropdown-menu a:last-child {
    border-bottom: none;
}

.dropdown-menu a:hover {
    background-color: #f8f9fa;
    color: #0066cc;
}

/* Breadcrumb */
.breadcrumb {
    list-style: none;
    display: flex;
    align-items: center;
    margin: 0 0 1rem 0;
    font-size: 0.875rem;
}

.breadcrumb li:not(:last-child)::after {
    content: '>';
    margin: 0 8px;
    color: #666;
}

.breadcrumb a {
    color: #666;
}

.breadcrumb a:hover {
    color: #0066cc;
}

/* Hero Section */
.hero {
    position: relative;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: #fff;
    padding: 6rem 0;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.1;
}

.hero-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Features Grid */
.why-choose-us {
    padding: 6rem 0;
    background-color: #f8f9fa;
}

.why-choose-us h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

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

.feature-card {
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    margin-bottom: 1.5rem;
}

.feature-icon img {
    width: 60px;
    height: 60px;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: #333;
}

.feature-card p {
    color: #666;
    margin-bottom: 0;
}

/* Product Areas */
.product-areas {
    padding: 6rem 0;
    background-color: #fff;
}

.product-areas h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

@media (max-width: 1200px) {
    .product-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.product-card {
    background: #fff;
    border: 1px solid #e9ecef;
    padding: 2rem;
    border-radius: 12px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.product-icon {
    text-align: center;
    margin-bottom: 1.5rem;
}

.product-icon img {
    width: 80px;
    height: 80px;
}

.product-card h3 {
    margin-bottom: 1rem;
}

.product-card h3 a {
    color: #333;
    text-decoration: none;
}

.product-card h3 a:hover {
    color: #0066cc;
}

.product-card p {
    color: #666;
    margin-bottom: 1rem;
}

.product-list {
    list-style: none;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.product-list li {
    padding: 0.25rem 0;
    color: #666;
    position: relative;
    padding-left: 1rem;
}

.product-list li:before {
    content: '•';
    color: #0066cc;
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* Ensure buttons align at bottom of product cards */
.product-card .btn {
    margin-top: auto;
    align-self: flex-start;
}

/* Solutions & Applications */
.solutions-applications {
    padding: 6rem 0;
    background-color: #f8f9fa;
}

.solutions-applications h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.tabs-container {
    max-width: 1000px;
    margin: 0 auto;
}

.tabs-nav {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
    border-bottom: 2px solid #e9ecef;
    flex-wrap: wrap;
    gap: 1rem;
}

.tab-button {
    background: none;
    border: none;
    padding: 1rem 1.5rem;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    color: #666;
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
}

.tab-button.active,
.tab-button:hover {
    color: #0066cc;
    border-bottom-color: #0066cc;
}

.tab-content {
    min-height: 400px;
    padding: 2rem 0;
}

.tab-panel {
    display: none;
}

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

.solution-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.solution-text ul {
    margin-bottom: 1.5rem;
}

.solution-text li {
    margin-bottom: 0.5rem;
}

.solution-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

/* Latest News */
.latest-news {
    padding: 6rem 0;
    background-color: #fff;
}

.latest-news h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.news-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.news-column h3 {
    margin-bottom: 1.5rem;
    color: #333;
}

.news-list {
    margin-bottom: 2rem;
}

.news-item {
    padding: 1rem 0;
    border-bottom: 1px solid #e9ecef;
}

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

.news-item time {
    font-size: 0.875rem;
    color: #666;
    display: block;
    margin-bottom: 0.5rem;
}

.news-item h4 {
    margin-bottom: 0.5rem;
}

.news-item h4 a {
    color: #333;
}

.news-item h4 a:hover {
    color: #0066cc;
}

.news-item p {
    color: #666;
    margin-bottom: 0;
}

/* Final CTA */
.final-cta {
    padding: 6rem 0;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: #fff;
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-content h2 {
    margin-bottom: 1rem;
    font-size: 2.5rem;
}

.cta-content p {
    margin-bottom: 2rem;
    font-size: 1.25rem;
    opacity: 0.9;
}

/* Footer */
.footer {
    background-color: #2c3e50;
    color: #fff;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: #fff;
}

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

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

.footer-section a {
    color: #bdc3c7;
}

.footer-section a:hover {
    color: #fff;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #34495e;
    color: #bdc3c7;
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

.footer-bottom a {
    color: #bdc3c7;
}

.footer-bottom a:hover {
    color: #fff;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .navbar-toggle {
        display: flex;
    }
    
    .navbar-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: #fff;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        flex-direction: column;
        gap: 0;
    }
    
    .navbar-menu.active {
        display: flex;
    }
    
    .navbar-nav {
        flex-direction: column;
        width: 100%;
        gap: 0;
    }
    
    .navbar-nav li {
        border-bottom: 1px solid #f0f0f0;
    }
    
    .navbar-nav a {
        padding: 1rem 20px;
    }
    
    .navbar-cta {
        padding: 1rem 20px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .tabs-nav {
        flex-direction: column;
    }
    
    .solution-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 4rem 0;
    }
    
    .why-choose-us,
    .product-areas,
    .solutions-applications,
    .latest-news,
    .final-cta {
        padding: 4rem 0;
    }
    
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .cta-content h2 {
        font-size: 1.75rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 2rem; }

.d-none { display: none; }
.d-block { display: block; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }
.d-flex { display: flex; }

/* Product Detail Pages Styles */
.product-header {
    background-color: #f8f9fa;
    padding: 2rem 0;
}

.breadcrumb {
    list-style: none;
    padding: 0;
    display: flex;
    align-items: center;
    margin-bottom: 2rem;
}

.breadcrumb li {
    margin-right: 1rem;
}

.breadcrumb li:not(:last-child)::after {
    content: '>';
    margin-left: 1rem;
    color: #666;
}

.breadcrumb a {
    color: #0066cc;
}

.product-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
    margin-top: 2rem;
}

.product-image-section {
    text-align: center;
}

.main-image {
    margin-bottom: 1rem;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 1rem;
    background: #fff;
}

.main-image img {
    width: 100%;
    max-width: 400px;
    height: auto;
}

.image-thumbnails {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.image-thumbnails img {
    border: 1px solid #e9ecef;
    border-radius: 4px;
    cursor: pointer;
    transition: border-color 0.3s ease;
}

.image-thumbnails img:hover {
    border-color: #0066cc;
}

.product-info-section h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.product-subtitle {
    font-size: 1.25rem;
    color: #666;
    margin-bottom: 2rem;
}

.key-features {
    margin-bottom: 2rem;
}

.key-features ul {
    list-style: none;
    padding: 0;
}

.key-features li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.key-features li:before {
    content: '✓';
    color: #28a745;
    font-weight: bold;
    position: absolute;
    left: 0;
}

.product-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.link-button {
    color: #0066cc;
    text-decoration: underline;
    font-weight: 500;
}

/* Distributor Review Section */
.distributor-review {
    padding: 4rem 0;
    background-color: #fff;
}

.review-card {
    background-color: #f8f9fa;
    border-left: 4px solid #0066cc;
    border-radius: 8px;
    padding: 2rem;
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.reviewer-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.reviewer-info img {
    border-radius: 50%;
}

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

.highlight-item {
    background: #fff;
    padding: 1rem;
    border-radius: 6px;
}

/* Technical Specifications */
.technical-specifications {
    padding: 4rem 0;
    background-color: #f8f9fa;
}

.specs-tabs {
    margin-top: 2rem;
}

.specs-tabs .tabs-nav {
    margin-bottom: 2rem;
    justify-content: flex-start;
}

.tab-content {
    margin-top: 2rem;
}

.tab-panel {
    display: none;
}

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

.specs-table {
    overflow-x: auto;
}

.specs-table table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.specs-table th,
.specs-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #e9ecef;
}

.specs-table th {
    background-color: #0066cc;
    color: #fff;
    font-weight: 600;
}

.mechanical-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
}

.package-info ul {
    list-style: none;
    padding: 0;
}

.package-info li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #e9ecef;
}

/* Alternative Parts */
.alternative-parts {
    padding: 4rem 0;
}

.parts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.part-item {
    display: flex;
    gap: 1rem;
    align-items: center;
    background: #f8f9fa;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.part-info h4 {
    margin: 0 0 0.5rem 0;
}

.part-info p {
    margin: 0 0 1rem 0;
    color: #666;
    font-size: 0.875rem;
}

.competitor-comparison {
    background: #fff;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 1.5rem;
}

.competitor-note {
    font-style: italic;
    color: #666;
    margin-bottom: 1rem;
}

.advantages ul {
    list-style: none;
    padding: 0;
}

.advantages li {
    padding: 0.25rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.advantages li:before {
    content: '✓';
    color: #28a745;
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* FAQ Section */
.faq-section {
    padding: 4rem 0;
    background-color: #f8f9fa;
}

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

.faq-item {
    background: #fff;
    border-radius: 8px;
    margin-bottom: 1rem;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 1.5rem;
    text-align: left;
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question:hover {
    background-color: #f8f9fa;
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-answer.active {
    padding: 0 1.5rem 1.5rem 1.5rem;
    max-height: 500px;
}

.faq-toggle {
    font-size: 1.5rem;
    font-weight: normal;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

/* Related Products */
.related-products,
.related-articles {
    padding: 4rem 0;
}

.related-articles {
    background-color: #f8f9fa;
}

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

.related-item,
.article-card {
    background: #fff;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.related-item:hover,
.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.article-card {
    text-align: left;
    padding: 0;
    overflow: hidden;
}

.article-content {
    padding: 1.5rem;
}

.read-more {
    color: #0066cc;
    font-weight: 500;
    text-decoration: none;
}

/* Product CTA */
.product-cta {
    padding: 4rem 0;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: #fff;
    text-align: center;
}

.product-cta h2 {
    color: #fff;
    margin-bottom: 1rem;
}

.product-cta p {
    color: #fff;
    opacity: 0.9;
    margin-bottom: 2rem;
}

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

/* Tab Navigation Styles */
.tabs-nav {
    display: flex;
    gap: 0;
    margin-bottom: 2rem;
    border-bottom: 1px solid #e9ecef;
}

.tab-button {
    background: none;
    border: none;
    padding: 1rem 2rem;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    color: #666;
    border-bottom: 3px solid transparent;
    transition: all 0.3s ease;
}

.tab-button:hover {
    color: #0066cc;
    background-color: #f8f9fa;
}

.tab-button.active {
    color: #0066cc;
    border-bottom-color: #0066cc;
    background-color: #f8f9fa;
}

/* Product Detail Responsive Design */
@media (max-width: 768px) {
    .product-hero {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .parts-grid,
    .mechanical-info {
        grid-template-columns: 1fr;
    }
    
    .related-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .review-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .breadcrumb {
        flex-wrap: wrap;
    }
    
    .product-info-section h1 {
        font-size: 2rem;
    }
}

/* Product Category List Pages */
.page-header {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: #fff;
    padding: 4rem 0 2rem;
}

.page-header h1 {
    color: #fff;
}

.page-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-top: 1rem;
}

.product-category-intro {
    padding: 4rem 0;
    background-color: #f8f9fa;
}

.intro-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: center;
}

.intro-text p {
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.selection-guide {
    margin-top: 2rem;
}

.intro-image img {
    width: 100%;
    border-radius: 8px;
}

.product-categories {
    padding: 4rem 0;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.category-card {
    background: #fff;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.category-image {
    height: 200px;
    overflow: hidden;
}

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

.category-content {
    padding: 2rem;
}

.category-content h3 {
    margin-bottom: 1rem;
}

.category-content p {
    color: #666;
    margin-bottom: 2rem;
}

.category-stats {
    display: flex;
    justify-content: space-between;
    margin-bottom: 2rem;
    padding: 1rem;
    background-color: #f8f9fa;
    border-radius: 6px;
}

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

.stat-value {
    font-size: 1.5rem;
    font-weight: 600;
    color: #0066cc;
}

.stat-label {
    font-size: 0.875rem;
    color: #666;
}

.product-listings {
    padding: 4rem 0;
    background-color: #f8f9fa;
}

.product-item {
    background: #fff;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    margin-bottom: 2rem;
}

.product-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.product-image {
    flex: 0 0 200px;
    padding: 1.5rem;
}

.product-image img {
    width: 100%;
    height: auto;
    border-radius: 6px;
}

.product-info {
    flex: 1;
    padding: 2rem;
}

.product-info h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.product-info h3 a {
    color: #333;
}

.product-info h3 a:hover {
    color: #0066cc;
}

.product-description {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.product-specs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background-color: #f8f9fa;
    border-radius: 6px;
}

.spec-item {
    font-size: 0.875rem;
}

.spec-item strong {
    color: #333;
}

.product-actions {
    display: flex;
    gap: 1rem;
}

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

/* Product Category Responsive */
@media (max-width: 768px) {
    .intro-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .category-grid {
        grid-template-columns: 1fr;
    }
    
    .product-item {
        flex-direction: column;
    }
    
    .product-image {
        flex: none;
    }
    
    .product-specs {
        grid-template-columns: 1fr;
    }
    
    .product-actions {
        flex-direction: column;
    }
}

/* Enhanced Solution Page Layouts */
.solution-overview {
    padding: 4rem 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.solution-overview .overview-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.solution-overview .overview-text h2 {
    color: #0066cc;
    margin-bottom: 1.5rem;
    font-size: 2.2rem;
}

.solution-overview .overview-text p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #555;
    margin-bottom: 2rem;
}

.key-benefits {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.benefit {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.benefit:hover {
    transform: translateY(-5px);
}

.benefit h4 {
    color: #0066cc;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.benefit p {
    font-size: 0.95rem;
    color: #666;
    margin: 0;
}

.overview-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.overview-image img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

/* Solution Categories Enhanced */
.solution-categories {
    padding: 4rem 0;
    background: white;
}

.category-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
    padding: 0 2rem;
}

.tab-btn {
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    color: #495057;
    padding: 1rem 2rem;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    font-size: 1rem;
    min-width: 180px;
    text-align: center;
}

.tab-btn:hover,
.tab-btn.active {
    background: #0066cc;
    color: white;
    border-color: #0066cc;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 102, 204, 0.3);
}

.tab-content {
    max-width: 1200px;
    margin: 0 auto;
}

.tab-panel {
    display: none;
    animation: fadeIn 0.5s ease-in-out;
}

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

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

.solution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.solution-item {
    background: white;
    border: 1px solid #e9ecef;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.solution-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #0066cc, #28a745);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

.solution-item:hover::before {
    transform: translateX(0);
}

.solution-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 35px rgba(0,0,0,0.15);
}

.solution-item h4 {
    color: #0066cc;
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.solution-item p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.solution-item ul {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}

.solution-item li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: #555;
    font-size: 0.95rem;
}

.solution-item li::before {
    content: '✓';
    color: #28a745;
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* Industries Grid */
.industry-grid, .industries-served .industry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.industry-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.industry-card:hover {
    transform: translateY(-5px);
    border-color: #0066cc;
    box-shadow: 0 8px 25px rgba(0,102,204,0.15);
}

.industry-card h4 {
    color: #0066cc;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.industry-card p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

/* Technical Specifications Enhanced */
.technical-specs {
    padding: 4rem 0;
    background: #f8f9fa;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.spec-category {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 6px 20px rgba(0,0,0,0.1);
}

.spec-category h3 {
    background: linear-gradient(135deg, #0066cc, #004499);
    color: white;
    padding: 1.5rem;
    margin: 0;
    text-align: center;
    font-size: 1.1rem;
}

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

.specs-table td {
    padding: 1rem;
    border-bottom: 1px solid #e9ecef;
    vertical-align: top;
}

.specs-table td:first-child {
    font-weight: 600;
    color: #333;
    background: #f8f9fa;
}

.specs-table td:last-child {
    color: #0066cc;
    font-weight: 500;
}

.specs-table tr:last-child td {
    border-bottom: none;
}

/* Application Examples Enhanced */
.application-examples {
    padding: 4rem 0;
    background: white;
}

.example-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.example-card {
    background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
    border: 2px solid #e9ecef;
    padding: 2rem;
    border-radius: 16px;
    transition: all 0.3s ease;
    position: relative;
}

.example-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, #0066cc, #28a745, #ffc107);
    border-radius: 16px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.example-card:hover::before {
    opacity: 1;
}

.example-card:hover {
    transform: translateY(-5px);
    border-color: transparent;
    box-shadow: 0 12px 30px rgba(0,0,0,0.15);
}

.example-card h4 {
    color: #0066cc;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.example-card ul {
    list-style: none;
    padding: 0;
}

.example-card li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: #555;
}

.example-card li::before {
    content: '→';
    color: #0066cc;
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* CTA Section Enhanced */
.cta-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, #0066cc 0%, #004499 100%);
    color: white;
    text-align: center;
}

.cta-content h2 {
    color: white;
    margin-bottom: 1rem;
    font-size: 2.2rem;
}

.cta-content p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-buttons .btn {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.cta-buttons .btn-primary {
    background: white;
    color: #0066cc;
    border: 2px solid white;
}

.cta-buttons .btn-primary:hover {
    background: transparent;
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(255,255,255,0.3);
}

.cta-buttons .btn-outline {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.cta-buttons .btn-outline:hover {
    background: white;
    color: #0066cc;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(255,255,255,0.3);
}

/* Responsive Enhancements */
@media (max-width: 768px) {
    .solution-overview .overview-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .key-benefits {
        grid-template-columns: 1fr;
    }
    
    .category-tabs {
        flex-direction: column;
        align-items: center;
    }
    
    .tab-btn {
        min-width: 250px;
    }
    
    .solution-grid,
    .industry-grid,
    .specs-grid,
    .example-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-buttons .btn {
        min-width: 200px;
    }
}