/* Font Awesome font-display override (CDN doesn't set this) */
@font-face {
    font-family: "Font Awesome 6 Free";
    font-style: normal;
    font-weight: 900;
    font-display: swap;
    src: url("https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/webfonts/fa-solid-900.woff2") format("woff2");
}

@font-face {
    font-family: "Font Awesome 6 Brands";
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url("https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/webfonts/fa-brands-400.woff2") format("woff2");
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: #dc1b22;
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo h2 {
    color: #e74c3c;
    font-size: 1.8rem;
    font-weight: bold;
}

.nav-logo .logo {
    height: 60px;
    width: auto;
}

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

.nav-link {
    text-decoration: none;
    color: white;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: rgba(255, 255, 255, 0.8);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: white;
}

.language-switcher {
    display: flex;
    gap: 0.5rem;
}

.lang-btn {
    background: none;
    border: 2px solid white;
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.lang-btn.active,
.lang-btn:hover {
    background: white;
    color: #dc1b22;
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: white;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section with Slider */
.hero {
    margin-top: 80px;
    height: 70vh;
    position: relative;
    overflow: hidden;
}

.slider-container {
    width: 100%;
    height: 100%;
    position: relative;
}

.slider {
    width: 100%;
    height: 100%;
    position: relative;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.slide.active {
    opacity: 1;
}

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

.slide-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    z-index: 2;
}

.slide-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

.slide-content p {
    font-size: 1.2rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.7);
}

.prev-btn,
.next-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    font-size: 1.5rem;
    padding: 1rem;
    cursor: pointer;
    border-radius: 50%;
    transition: all 0.3s ease;
    z-index: 3;
}

.prev-btn {
    left: 20px;
}

.next-btn {
    right: 20px;
}

.prev-btn:hover,
.next-btn:hover {
    background: rgba(255, 255, 255, 0.4);
    transform: translateY(-50%) scale(1.1);
}

.slider-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 3;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: white;
    transform: scale(1.2);
}

/* Action Buttons */
.action-buttons {
    padding: 4rem 0;
    background: #f8f9fa;
}

.buttons-wrapper {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: #e74c3c;
    color: white;
}

.btn-primary:hover {
    background: #c0392b;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(231, 76, 60, 0.4);
}

.btn-secondary {
    background: transparent;
    color: #e74c3c;
    border: 2px solid #e74c3c;
}

.btn-secondary:hover {
    background: #e74c3c;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(231, 76, 60, 0.4);
}

/* Gallery */
.gallery {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: #e74c3c;
}

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

.gallery-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.3s ease;
}

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

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(231, 76, 60, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay i {
    color: white;
    font-size: 2rem;
}

/* Video Section */
.video-section {
    padding: 5rem 0;
    background: #f8f9fa;
}

.video-wrapper {
    max-width: 800px;
    margin: 0 auto;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.video-wrapper video {
    width: 100%;
    height: auto;
}

/* Video Clickable Styles */
.clickable-video {
    position: relative;
    cursor: pointer;
    transition: all 0.3s ease;
}

.clickable-video:hover {
    transform: scale(1.02);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    border-radius: 10px;
    z-index: 2;
}

.video-overlay i {
    color: white;
    font-size: 4rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    transition: all 0.3s ease;
}

.clickable-video:hover .video-overlay i {
    font-size: 5rem;
    color: #e74c3c;
}

/* Video Modal Styles */
.video-modal-content {
    position: relative;
    width: 90%;
    max-width: 1000px;
    max-height: 90vh;
    background: black;
    border-radius: 10px;
    overflow: hidden;
    animation: zoom 0.6s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-modal-content video {
    width: 100%;
    height: auto;
    max-height: 90vh;
    object-fit: contain;
    display: block;
}

.close-video {
    position: absolute;
    top: 15px;
    right: 35px;
    color: white;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    z-index: 3;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.7);
}

.close-video:hover {
    color: #e74c3c;
}

/* Product Info */
.product-info {
    padding: 5rem 0;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.info-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.info-icon {
    width: 80px;
    height: 80px;
    background: #e74c3c;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.info-icon i {
    color: white;
    font-size: 2rem;
}

.info-card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.info-card p {
    color: #666;
    line-height: 1.6;
}

/* Product Description Styles */
.product-description {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
    margin-bottom: 3rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.product-description p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #444;
    margin-bottom: 1.5rem;
    text-align: justify;
}

.features-list {
    margin-top: 2rem;
}

.features-list h3 {
    color: #e74c3c;
    font-size: 1.3rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid #e74c3c;
    padding-bottom: 0.5rem;
    display: inline-block;
}

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

.features-list li {
    position: relative;
    padding: 0.8rem 0;
    padding-left: 2rem;
    font-size: 1rem;
    color: #555;
    border-bottom: 1px solid #eee;
    transition: all 0.3s ease;
}

.features-list li:last-child {
    border-bottom: none;
}

.features-list li:before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0.8rem;
    color: #e74c3c;
    font-weight: bold;
    font-size: 1.2rem;
}

.features-list li:hover {
    background: rgba(231, 76, 60, 0.05);
    padding-left: 2.2rem;
}

/* Technical Data */
.technical-data {
    padding: 5rem 0;
    background: #f8f9fa;
}

.data-table-wrapper {
    overflow-x: auto;
    margin-top: 3rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.data-table {
    width: 100%;
    background: white;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 1rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.data-table th {
    background: #2c3e50;
    color: white;
    font-weight: 600;
}

.data-table tr:hover {
    background: #f8f9fa;
}

/* Documents Page Styles */
.documents-header {
    margin-top: 80px;
    padding: 5rem 0 3rem;
    background: #f8f9fa;
    color: #2c3e50;
    text-align: center;
}

.documents-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.documents-header p {
    font-size: 1.2rem;
    opacity: 0.7;
}

.documents-content {
    padding: 5rem 0;
}

.documents-grid {
    display: grid;
    gap: 4rem;
}

.document-category h2 {
    color: #2c3e50;
    font-size: 2rem;
    margin-bottom: 2rem;
    border-bottom: 3px solid #e74c3c;
    padding-bottom: 0.5rem;
}

.document-list {
    display: grid;
    gap: 1.5rem;
}

.document-item {
    display: flex;
    align-items: center;
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.document-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.document-icon {
    width: 60px;
    height: 60px;
    background: #e74c3c;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1.5rem;
    flex-shrink: 0;
}

.document-icon i {
    color: white;
    font-size: 1.5rem;
}

.document-info {
    flex: 1;
}

.document-info h3 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.document-info p {
    color: #666;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.file-info {
    color: #999;
    font-size: 0.85rem;
}

.download-btn {
    background: #27ae60;
    color: white;
    text-decoration: none;
    padding: 0.8rem 1.5rem;
    border-radius: 5px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
    margin-left: 1rem;
}

.download-btn:hover {
    background: #229954;
    transform: scale(1.05);
}

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

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #e74c3c;
}

.footer-section p {
    line-height: 1.6;
    color: #bdc3c7;
}

.contact-info p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.contact-info i {
    color: #e74c3c;
    width: 20px;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: #34495e;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #e74c3c;
    transform: translateY(-2px);
}

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

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
    align-items: center;
    justify-content: center;
    padding: 20px;
    box-sizing: border-box;
    overflow: auto;
}

.modal[style*="block"] {
    display: flex !important;
}

.modal-content {
    display: block;
    width: 80%;
    max-width: 700px;
    max-height: 80vh;
    object-fit: contain;
    animation: zoom 0.6s;
    border-radius: 10px;
}

.close {
    position: absolute;
    top: 15px;
    right: 35px;
    color: white;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover {
    color: #e74c3c;
}

@keyframes zoom {
    from { transform: scale(0) }
    to { transform: scale(1) }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: #dc1b22;
        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-menu .nav-link {
        color: white;
    }
    
    .nav-menu .nav-link:hover,
    .nav-menu .nav-link.active {
        color: rgba(255, 255, 255, 0.8);
    }
    
    .nav-menu .lang-btn {
        border-color: white;
        color: white;
    }
    
    .nav-menu .lang-btn.active,
    .nav-menu .lang-btn:hover {
        background: white;
        color: #dc1b22;
        border-color: white;
    }
    
    .slide-content h1 {
        font-size: 2rem;
    }
    
    .slide-content p {
        font-size: 1rem;
    }
    
    .buttons-wrapper {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 200px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .document-item {
        flex-direction: column;
        text-align: center;
    }
    
    .document-icon {
        margin-right: 0;
        margin-bottom: 1rem;
    }
    
    .download-btn {
        margin-left: 0;
        margin-top: 1rem;
    }
    
    .documents-header h1 {
        font-size: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .video-modal-content {
        width: 95%;
        max-height: 85vh;
        margin: 0 10px;
    }
    
    .video-modal-content video {
        max-height: 85vh;
    }
    
    .video-overlay i {
        font-size: 3rem;
    }
    
    .clickable-video:hover .video-overlay i {
        font-size: 3.5rem;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 1rem;
    }
    
    .slide-content h1 {
        font-size: 1.5rem;
    }
    
    .slide-content p {
        font-size: 0.9rem;
    }
    
    .data-table th,
    .data-table td {
        padding: 0.5rem;
        font-size: 0.9rem;
    }
    
    .video-overlay i {
        font-size: 2.5rem;
    }
    
    .clickable-video:hover .video-overlay i {
        font-size: 3rem;
    }
    
    .close-video {
        top: 10px;
        right: 20px;
        font-size: 30px;
    }
    
    .video-modal-content {
        width: 98%;
        max-height: 80vh;
        margin: 0 5px;
    }
    
    .video-modal-content video {
        max-height: 80vh;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.6s ease-in;
}

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

.scale-in {
    animation: scaleIn 0.3s ease-in;
}

@keyframes scaleIn {
    from { transform: scale(0.95); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}