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

:root {
    --bg-color: #e8ebe7;
    --text-color: #333;
    --header-bg: #f5f7f4;
    --header-shadow: rgba(0, 0, 0, 0.1);
    --card-bg: #f8f9fa;
    --border-color: #ddd;
    --primary-color: #000000;
    --primary-hover: #333333;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

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

/* Header Styles */
.header {
    background: var(--header-bg);
    box-shadow: 0 2px 10px var(--header-shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: background 0.3s ease;
}

.navbar {
    padding: 0.05rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
}

.nav-logo img {
    height: 140px;
    vertical-align: middle;
}

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

.nav-item {
    position: relative;
}

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

.mega-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    background: var(--header-bg);
    box-shadow: 0 8px 24px var(--header-shadow);
    border-radius: 8px;
    padding: 2rem;
    min-width: 700px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    margin-top: 1rem;
}

.mega-menu-content {
    display: flex;
    gap: 3rem;
    justify-content: center;
}

.mega-menu-category {
    flex: 1;
}

.mega-menu-category h4 {
    color: var(--primary-color);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    letter-spacing: 1px;
    font-weight: 600;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
}

.mega-menu-items {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.mega-menu-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--text-color);
    padding: 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    background: var(--bg-color);
    border: 2px solid transparent;
    min-width: 120px;
}

.mega-menu-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.2);
}

.mega-menu-item img {
    width: 100px;
    height: 80px;
    object-fit: cover;
    border-radius: 6px;
    margin-bottom: 0.5rem;
}

.mega-menu-item span {
    font-size: 0.85rem;
    font-weight: 500;
    text-align: center;
}

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

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

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

.quote-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.5rem 1.5rem;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 500;
    transition: background 0.3s ease;
}

.quote-btn:hover {
    background: var(--primary-hover);
}

.language-switch {
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 3px;
    cursor: pointer;
    color: var(--text-color);
    transition: all 0.3s ease;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger.active .bar:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger.active .bar:nth-child(2) {
    opacity: 0;
}

.hamburger.active .bar:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

.bar {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 120px 0 2rem;
    background-color: var(--bg-color);
}

.hero-video {
    position: relative;
    width: 100%;
    height: 75vh;
    margin-bottom: 3rem;
    margin-top: 3rem;
    z-index: 1;
    background-color: transparent;
}

.hero-video video,
.hero-video iframe,
.hero-video img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 10px;
}

.hero-video::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
}

.hero-content {
    text-align: center;
    color: #333;
    z-index: 1;
    max-width: 800px;
    padding: 0 2rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: #0066cc;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: #666;
}

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

.section-header h2 {
    font-size: 2.5rem;
    color: #000000;
    font-weight: bold;
}

/* Philosophy Section */
.philosophy {
    padding: 5rem 0;
    background: #dfe2e0;
}

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

.philosophy-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

.philosophy-stats {
    text-align: center;
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.stat-item h3 {
    color: #000000;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

/* Products Section */
.products {
    padding: 5rem 0;
}

.product-categories {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.category-section {
    background: #dfe2e0;
    padding: 3rem 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.category-title {
    text-align: center;
    font-size: 2rem;
    color: #000000;
    margin-bottom: 2rem;
    font-weight: bold;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.product-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    text-decoration: none;
    display: block;
    cursor: pointer;
}

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

.product-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.product-card h3,
.product-card h4 {
    padding: 1.5rem 1.5rem 0.5rem;
    color: #333;
    font-size: 1.2rem;
    text-align: center;
    margin: 0;
}

.product-card p {
    padding: 0 1.5rem 1rem;
    color: #666;
    font-size: 0.9rem;
    text-align: center;
    margin: 0;
}

.btn-secondary {
    display: block;
    width: 80%;
    margin: 0 auto 1.5rem;
    padding: 0.75rem;
    background: #000000;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 500;
    transition: background 0.3s ease;
}

.btn-secondary:hover {
    background: #333333;
}

/* Certifications Section */
.certifications {
    padding: 5rem 0;
    background: #dfe2e0;
}

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

.certification-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

.certifications-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.cert-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.cert-item i {
    font-size: 2rem;
    color: #0066cc;
}

.cert-item h4 {
    color: #333;
    margin-bottom: 0.25rem;
}

.cert-item p {
    color: #666;
    font-size: 0.9rem;
}

/* Advantages Section */
.advantages {
    padding: 5rem 0;
}

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

.advantage-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.advantage-icon {
    background: #0066cc;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.advantage-content h3 {
    color: #333;
    margin-bottom: 0.5rem;
}

.advantage-content p {
    color: #666;
    font-size: 0.9rem;
}

/* Contact Section */
.contact {
    padding: 5rem 0;
    background: #dfe2e0;
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    justify-content: center;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-item i {
    color: #0066cc;
    font-size: 1.5rem;
    width: 30px;
}

.contact-item a,
.contact-item p {
    color: #333;
    text-decoration: none;
    font-size: 1.1rem;
}

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

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.contact-map {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    height: 100%;
}

.contact-map img {
    width: 66.67%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #0066cc;
}

.btn-primary {
    background: #000000;
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: background 0.3s ease;
}

.btn-primary:hover {
    background: #333333;
}

/* Footer */
.footer {
    background: var(--header-bg);
    color: #333;
    padding: 3rem 0 1rem;
}

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

.footer-logo img {
    height: 100px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #000000;
}

.footer-social {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

.social-link {
    color: #333;
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

.social-link:hover {
    color: #000000;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #ccc;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.privacy-link {
    color: #333;
    text-decoration: none;
    font-size: 0.9rem;
}

.privacy-link:hover {
    color: #000000;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-logo img {
        height: 60px;
    }
    
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--header-bg);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-item {
        margin: 1rem 0;
    }
    
    .nav-actions {
        gap: 0.3rem;
    }
    
    .quote-btn {
        padding: 0.3rem 0.6rem;
        font-size: 0.8rem;
        white-space: nowrap;
    }
    
    .language-switch {
        font-size: 0.8rem;
        padding: 0.3rem 0.6rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .philosophy-content,
    .certifications-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 1.5rem;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
}

/* Product Detail Page Styles */
.product-detail {
    padding: 140px 0 5rem;
    min-height: 100vh;
}

.product-header {
    text-align: center;
    margin-bottom: 3rem;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: #000000;
    text-decoration: none;
    margin-top: 1rem;
    margin-bottom: 0.75rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.back-link:hover {
    color: #333333;
}

.product-title {
    font-size: 3rem;
    color: #000000;
    margin-bottom: 1rem;
    font-weight: bold;
}

.product-subtitle {
    font-size: 1.2rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

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

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

.product-image img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: none;
}

.product-specifications h2 {
    color: #000000;
    font-size: 2rem;
    margin-bottom: 2rem;
}

.spec-grid {
    display: grid;
    gap: 1rem;
}

.spec-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.spec-label {
    font-weight: 600;
    color: #333;
}

.spec-value {
    color: #000000;
    font-weight: 500;
}

.product-features {
    margin-bottom: 4rem;
}

.product-features h2 {
    text-align: center;
    color: #000000;
    font-size: 2rem;
    margin-bottom: 3rem;
}

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

.feature-item {
    text-align: center;
    padding: 2rem;
    background: transparent;
    border-radius: 10px;
    box-shadow: none;
    transition: transform 0.3s ease;
}

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

.feature-item i {
    font-size: 3rem;
    color: #0066cc;
    margin-bottom: 1rem;
}

.feature-item h3 {
    color: #333;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.feature-item p {
    color: #666;
    line-height: 1.6;
}

.cta-section {
    text-align: center;
    background: #f8f9fa;
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.cta-section h2 {
    color: #000000;
    font-size: 2rem;
    margin-bottom: 1rem;
}

.product-description {
    margin-bottom: 4rem;
    padding: 2rem 0;
}

.product-description h2 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
}

.product-description p {
    color: var(--text-color);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    text-align: justify;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary-color);
    color: white;
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.download-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 102, 204, 0.3);
}

.download-btn i {
    font-size: 1.2rem;
}

.cta-section {
    color: #666;
    font-size: 1.1rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Responsive Design for Product Detail */
@media (max-width: 768px) {
    .product-title {
        font-size: 2.5rem;
    }
    
    .product-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .spec-item {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .advantage-item {
        flex-direction: column;
        text-align: center;
    }
}

/* Privacy & Terms Page Styles */
.privacy-section {
    padding: 140px 0 5rem;
    min-height: 100vh;
}

.privacy-title {
    font-size: 3rem;
    color: #000000;
    text-align: center;
    margin-bottom: 3rem;
}

.privacy-content,
.terms-content {
    max-width: 800px;
    margin: 0 auto 3rem;
    padding: 2rem;
    background-color: #f9f9f9;
    border-radius: 10px;
}

.privacy-content h2,
.terms-content h2 {
    font-size: 2rem;
    color: #000000;
    margin-bottom: 1.5rem;
}

.privacy-content p,
.terms-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #333;
    margin-bottom: 1rem;
}

.privacy-content p:last-child,
.terms-content p:last-child {
    margin-bottom: 0;
}