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

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    opacity: 0;
}

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

header {
    background: #f8f9fa;
    border-bottom: 1px solid #e9ecef;
    padding: 20px 0;
}

.logo h1 {
    font-size: 24px;
    color: #007bff;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 30px;
}

nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
}

nav a.active {
    color: #007bff;
}

nav a:hover {
    color: #0056b3;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 100px 0;
    text-align: center;
}

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

.hero p {
    font-size: 18px;
    margin-bottom: 30px;
}

.btn {
    display: inline-block;
    background: #007bff;
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 4px;
    transition: background 0.3s;
}

.btn:hover {
    background: #0056b3;
}

.products-showcase {
    padding: 80px 0;
    background: #f8f9fa;
}

.products-showcase h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 28px;
}

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

.product-item {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    text-align: center;
    transition: all 0.3s ease;
}

.product-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.15);
}

.product-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 4px;
    margin-bottom: 20px;
}

.product-item h3 {
    margin-bottom: 10px;
    font-size: 18px;
}

.about-preview {
    padding: 80px 0;
    text-align: center;
}

.about-preview h2 {
    margin-bottom: 20px;
    font-size: 28px;
}

.about-preview p {
    max-width: 800px;
    margin: 0 auto 30px;
    font-size: 16px;
}

.news-preview {
    padding: 80px 0;
    background: #f8f9fa;
}

.news-preview h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 28px;
}

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

.news-item {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.news-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.15);
}

.news-item h3 {
    margin-bottom: 10px;
    font-size: 18px;
}

footer {
    background: #333;
    color: white;
    padding: 40px 0;
}

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

.footer-info h3 {
    margin-bottom: 20px;
}

.footer-links h4 {
    margin-bottom: 15px;
}

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

.footer-links a {
    color: #f8f9fa;
    text-decoration: none;
    line-height: 1.8;
}

.footer-links a:hover {
    color: #007bff;
}

.footer-bottom {
    border-top: 1px solid #444;
    padding-top: 20px;
    text-align: center;
    font-size: 14px;
}

.products-page {
    padding: 80px 0;
}

.product-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.product-tab {
    padding: 10px 20px;
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.product-tab:hover {
    background: #e9ecef;
}

.product-tab.active {
    background: #007bff;
    color: white;
    border-color: #007bff;
}

.product-category {
    margin-bottom: 60px;
}

.product-category h2 {
    margin-bottom: 30px;
    font-size: 24px;
    color: #007bff;
}

.about-page {
    padding: 80px 0;
}

.about-page h2 {
    margin-bottom: 30px;
    font-size: 28px;
}

.about-page p {
    margin-bottom: 20px;
    line-height: 1.8;
}

.news-page {
    padding: 80px 0;
}

.news-page h2 {
    margin-bottom: 40px;
    font-size: 28px;
}

.news-item {
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid #e9ecef;
}

.news-item h3 {
    margin-bottom: 10px;
    font-size: 20px;
}

.news-item .date {
    color: #6c757d;
    font-size: 14px;
    margin-bottom: 15px;
}

.support-page {
    padding: 80px 0;
}

.support-page h2 {
    margin-bottom: 40px;
    font-size: 28px;
}

.download-item {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.download-item:hover {
    background: #e9ecef;
    transform: translateY(-2px);
}

.download-item h3 {
    margin-bottom: 5px;
    font-size: 18px;
}

.download-item p {
    color: #6c757d;
    font-size: 14px;
}

.jobs-page {
    padding: 80px 0;
}

.jobs-page h2 {
    margin-bottom: 40px;
    font-size: 28px;
}

.job-item {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.job-item:hover {
    background: #e9ecef;
    transform: translateY(-2px);
}

.job-item h3 {
    margin-bottom: 10px;
    font-size: 18px;
}

.job-item .salary {
    color: #28a745;
    font-weight: 500;
    margin-bottom: 10px;
}

.contact-page {
    padding: 80px 0;
}

.contact-page h2 {
    margin-bottom: 40px;
    font-size: 28px;
}

.contact-info {
    margin-bottom: 60px;
}

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

.contact-info p {
    margin-bottom: 10px;
    line-height: 1.8;
}

.contact-form {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 8px;
}

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

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ced4da;
    border-radius: 4px;
    font-size: 16px;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background: #333;
    border-radius: 3px;
    transition: all 0.3s ease;
}

@media (max-width: 768px) {
    header .container {
        flex-direction: row;
        gap: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    nav ul {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #ffffff;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        flex-direction: column;
        align-items: center;
        padding: 20px 0;
        gap: 15px;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    nav ul.active {
        max-height: 400px;
    }
    
    .hero h2 {
        font-size: 28px;
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .products-showcase,
    .about-preview,
    .news-preview,
    .products-page,
    .about-page,
    .news-page,
    .support-page,
    .jobs-page,
    .contact-page {
        padding: 40px 0;
    }
}

header {
    position: relative;
}