:root {
    --primary: #e67e22;
    --secondary: #2ecc71;
    --dark: #333;
    --light: #f9f9f9;
    --white: #fff;
    --gray: #f5f5f5;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--light);
    color: var(--dark);
    line-height: 1.6;
}

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

/* Header Styles */
header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
}

.logo span {
    color: var(--secondary);
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 30px;
}

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

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

.mobile-menu {
    display: none;
    font-size: 24px;
    cursor: pointer;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('../images/hero-bg.jpg') no-repeat center center/cover;
    height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--white);
    margin-top: 60px;
}

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

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 20px;
    margin-bottom: 30px;
}

.btn {
    display: inline-block;
    background-color: var(--primary);
    color: var(--white);
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: #d35400;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

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

.btn-secondary:hover {
    background-color: #27ae60;
}

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

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 36px;
    color: var(--dark);
    margin-bottom: 15px;
}

.section-title p {
    color: #777;
    max-width: 700px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--gray);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    font-size: 50px;
    color: var(--primary);
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
    font-size: 22px;
}

/* About Section */
.about-preview {
    padding: 80px 0;
    background-color: var(--gray);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.about-text h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.about-text p {
    margin-bottom: 20px;
}

/* Products Section */


/* Product Navigation */
.product-navigation {
    background-color: var(--white);
    padding: 20px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 40px;
}

.product-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.tab-btn {
    padding: 12px 25px;
    background-color: var(--gray);
    border: none;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.tab-btn:hover {
    background-color: #e0e0e0;
}

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

/* Common Features */
.common-features {
    padding: 60px 0;
    background-color: var(--white);
}

.common-features h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 32px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.feature-card {
    text-align: center;
    padding: 30px 20px;
    background-color: var(--gray);
    border-radius: 10px;
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    font-size: 40px;
    color: var(--primary);
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
    font-size: 20px;
}

/* Product Slideshow */
.product-slideshow {
    padding: 60px 0;
    background-color: var(--gray);
}

.swiper {
    width: 100%;
    height: auto;
    padding-bottom: 50px;
}

.slide-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.product-images {
    position: relative;
}

.main-image {
    margin-bottom: 15px;
}

.main-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.thumbnail-container {
    display: flex;
    gap: 10px;
}

.thumbnail {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 5px;
    cursor: pointer;
    opacity: 0.7;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.thumbnail:hover, .thumbnail.active {
    opacity: 1;
    border-color: var(--primary);
}

.product-details h2 {
    font-size: 28px;
    margin-bottom: 10px;
    color: var(--primary);
}

.product-subtitle {
    font-size: 18px;
    color: #666;
    margin-bottom: 20px;
    font-style: italic;
}

.product-specs, .product-benefits {
    margin-bottom: 25px;
}

.product-specs h3, .product-benefits h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--dark);
}

.product-specs ul, .product-benefits ul {
    list-style-type: none;
}

.product-specs li, .product-benefits li {
    margin-bottom: 8px;
    position: relative;
    padding-left: 20px;
}

.product-specs li:before {
    content: "•";
    color: var(--primary);
    position: absolute;
    left: 0;
}

.product-benefits li:before {
    content: "✓";
    color: var(--secondary);
    position: absolute;
    left: 0;
}

.view-details {
    display: inline-block;
    margin-top: 20px;
    background-color: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.view-details:hover {
    background-color: var(--primary);
    color: var(--white);
}

.swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background-color: #ccc;
    opacity: 1;
}

.swiper-pagination-bullet-active {
    background-color: var(--primary);
}

.swiper-button-next, .swiper-button-prev {
    color: var(--primary);
}

/* Packaging Section */
.packaging-section {
    padding: 60px 0;
    background-color: var(--white);
}

.packaging-section h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 32px;
}

.packaging-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.packaging-card {
    text-align: center;
    padding: 30px;
    background-color: var(--gray);
    border-radius: 10px;
    border-top: 4px solid var(--primary);
}

.packaging-icon {
    font-size: 40px;
    color: var(--primary);
    margin-bottom: 20px;
}

.packaging-card h3 {
    margin-bottom: 15px;
    font-size: 22px;
}

.packaging-card ul {
    list-style-type: none;
}

.packaging-card li {
    margin-bottom: 8px;
    position: relative;
}

/* Product Details Sections */
.product-details-section {
    padding: 60px 0;
    background-color: var(--gray);
}

.product-details-section:nth-child(even) {
    background-color: var(--white);
}

.product-details-section h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 32px;
    color: var(--primary);
}

.details-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.process-steps h3, .technical-specs h3 {
    font-size: 24px;
    margin-bottom: 25px;
    color: var(--dark);
}

.step {
    display: flex;
    margin-bottom: 25px;
    align-items: flex-start;
}

.step-number {
    width: 40px;
    height: 40px;
    background-color: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin-right: 20px;
    flex-shrink: 0;
}

.step-content h4 {
    margin-bottom: 8px;
    font-size: 18px;
}

.technical-specs table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.technical-specs th, .technical-specs td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.technical-specs th {
    background-color: var(--primary);
    color: var(--white);
}

.technical-specs tr:nth-child(even) {
    background-color: #f9f9f9;
}

/* Inquiry Section */
.inquiry-section {
    padding: 80px 0;
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('../images/contact-bg.jpg') no-repeat center center/cover;
    color: var(--white);
    text-align: center;
}

.inquiry-content h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.inquiry-content p {
    font-size: 18px;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .slide-content, .details-content {
        grid-template-columns: 1fr;
    }
    
    .product-images {
        margin-bottom: 30px;
    }
}

@media (max-width: 768px) {
    .product-tabs {
        flex-wrap: wrap;
    }
    
    .tab-btn {
        padding: 10px 15px;
        font-size: 14px;
    }
    
    .features-grid, .packaging-options {
        grid-template-columns: 1fr;
    }
    
    .product-details h2 {
        font-size: 24px;
    }
    
    .step {
        flex-direction: column;
    }
    
    .step-number {
        margin-bottom: 10px;
        margin-right: 0;
    }
}

.products-preview {
    padding: 80px 0;
    background-color: var(--white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.product-card {
    background-color: var(--gray);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.product-card:hover {
    transform: translateY(-10px);
}

.product-image {
    height: 250px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-info {
    padding: 20px;
}

.product-info h3 {
    margin-bottom: 10px;
    font-size: 22px;
}

.product-info p {
    margin-bottom: 15px;
    color: #777;
}

/* Certifications Section */

/* Certification Logo with Zoom Effect */
.certification-logo {
    position: relative;
    cursor: pointer;
    transition: transform 0.3s;
    width: 150px;
    height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--white);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    padding: 20px;
    margin: 0 auto;
}

.certification-logo:hover {
    transform: scale(1.05);
}

.certification-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.zoom-icon {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: rgba(0,0,0,0.7);
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.certification-logo:hover .zoom-icon {
    opacity: 1;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    padding-top: 50px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.9);
}

.modal-open {
    overflow: hidden;
}

.modal-content {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 800px;
    animation: zoom 0.3s;
}

@keyframes zoom {
    from {transform: scale(0.5)}
    to {transform: scale(1)}
}

.modal-content img {
    width: 100%;
    max-height: 80vh;
    object-fit: contain;
}

.modal-caption {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 800px;
    text-align: center;
    color: #ccc;
    padding: 10px 0;
    font-size: 18px;
}

.close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    transition: 0.3s;
    cursor: pointer;
}

.close:hover {
    color: var(--primary);
    transform: rotate(90deg);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .modal-content {
        width: 95%;
    }
    
    .modal-caption {
        width: 95%;
    }
    
    .close {
        top: 10px;
        right: 20px;
        font-size: 30px;
    }
}
.certifications-preview {
    padding: 80px 0;
    background-color: var(--gray);
}

.cert-logos {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 40px;
    margin-top: 50px;
}

.cert-logo {
    width: 150px;
    height: 150px;
    background-color: var(--white);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    padding: 20px;
}

.cert-logo img {
    max-width: 100%;
    max-height: 100%;
}

/* Certifications Page Specific Styles */
.certification-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px;
    font-size: 18px;
    line-height: 1.6;
    color: #555;
}

.certification-item {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 30px;
    margin-bottom: 40px;
    align-items: center;
    padding: 25px;
    background-color: var(--white);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.certification-logo {
    width: 120px;
    height: 120px;
    background-color: var(--white);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    padding: 15px;
    border: 1px solid #eee;
}

.certification-logo img {
    max-width: 100%;
    max-height: 100%;
}

.certification-details h3 {
    font-size: 22px;
    margin-bottom: 10px;
    color: var(--primary);
}

.certification-details p:first-of-type {
    font-weight: 500;
    margin-bottom: 10px;
    color: var(--dark);
}

.certification-details p:last-of-type {
    color: #666;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .certification-item {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .certification-logo {
        margin: 0 auto;
    }
}
/* Page Header */
.page-header {
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('../images/about-bg.jpg') no-repeat center center/cover;
    height: 300px;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--white);
    margin-top: 60px;
}

.page-header h1 {
    font-size: 42px;
    margin-bottom: 15px;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    list-style: none;
}

.breadcrumb li {
    margin: 0 10px;
    position: relative;
}

.breadcrumb li:after {
    content: '/';
    position: absolute;
    right: -15px;
    color: #ccc;
}

.breadcrumb li:last-child:after {
    display: none;
}

.breadcrumb a {
    color: #ddd;
    text-decoration: none;
}

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

.page-content {
    padding: 60px 0;
}

/* About Page */
.mission-vision {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin: 50px 0;
}

.mission-card,
.vision-card {
    background-color: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.mission-card h3,
.vision-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--primary);
}

.core-values {
    margin: 50px 0;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.value-card {
    background-color: var(--white);
    padding: 25px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    border-top: 4px solid var(--primary);
}

.value-card h4 {
    margin-bottom: 10px;
    font-size: 20px;
}

/* Products Page */
.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin: 50px 0;
}

.product-gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.product-gallery img {
    width: 100%;
    border-radius: 10px;
    cursor: pointer;
    transition: transform 0.3s;
}

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

.product-gallery img:first-child {
    grid-column: span 2;
}

.product-specs h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: var(--primary);
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 30px;
}

.specs-table tr:nth-child(even) {
    background-color: var(--gray);
}

.specs-table th,
.specs-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.specs-table th {
    background-color: var(--primary);
    color: var(--white);
}

.process-steps {
    margin: 50px 0;
}

.step {
    display: flex;
    margin-bottom: 30px;
    align-items: flex-start;
}

.step-number {
    width: 40px;
    height: 40px;
    background-color: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin-right: 20px;
    flex-shrink: 0;
}

.step-content h4 {
    margin-bottom: 10px;
    font-size: 20px;
}

.product-range {
    margin: 50px 0;
}

/* Certifications Page */
.certification-content {
    margin: 50px 0;
}

.certification-item {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 30px;
    margin-bottom: 40px;
    align-items: center;
}

.certification-logo {
    width: 150px;
    height: 150px;
    background-color: var(--white);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    padding: 20px;
}

.certification-logo img {
    max-width: 100%;
    max-height: 100%;
}

.certification-details h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--primary);
}

/* Contact Page */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info h3 {
    font-size: 24px;
    margin-bottom: 20px;
}

.contact-details {
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.contact-icon {
    width: 40px;
    height: 40px;
    background-color: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 40px;
    height: 40px;
    background-color: var(--gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark);
    text-decoration: none;
    transition: all 0.3s;
}

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

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

.contact-form textarea {
    height: 150px;
    resize: vertical;
}

/* Footer */
footer {
    background-color: var(--dark);
    color: var(--white);
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.footer-column h3 {
    font-size: 20px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 2px;
    background-color: var(--primary);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #bbb;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover,
.footer-links a.active {
    color: var(--primary);
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #444;
    color: #bbb;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .about-content,
    .contact-container,
    .product-detail,
    .certification-item {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: -1;
    }
    
    .mission-vision {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--white);
        flex-direction: column;
        align-items: center;
        padding-top: 40px;
        transition: left 0.3s;
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .nav-links li {
        margin: 15px 0;
    }
    
    .mobile-menu {
        display: block;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .hero p {
        font-size: 18px;
    }
    
    .product-gallery {
        grid-template-columns: 1fr;
    }
    
    .product-gallery img:first-child {
        grid-column: span 1;
    }
}

/* Background images for different pages */
#about .page-header {
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('../images/about-bg.jpg') no-repeat center center/cover;
}

#products .page-header {
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('../images/products-bg.jpg') no-repeat center center/cover;
}

#certifications .page-header {
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('../images/cert-bg.jpg') no-repeat center center/cover;
}

#contact .page-header {
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('../images/contact-bg.jpg') no-repeat center center/cover;
    
}