* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: Arial, Helvetica, sans-serif;
    color: #333;
    background-color: #f5f7fa;
    line-height: 1.6;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
a {
    color: #0066cc;
    text-decoration: none;
}
a:hover {
    color: #004c99;
    text-decoration: underline;
}
img {
    max-width: 100%;
    height: auto;
}
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 4px;
    font-weight: bold;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}
.btn-primary {
    background: linear-gradient(135deg, #0066cc 0%, #004c99 100%);
    color: #fff;
}
.btn-primary:hover {
    background: linear-gradient(135deg, #0052a3 0%, #003d7a 100%);
    color: #fff;
    text-decoration: none;
}
.btn-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #fff;
}
.btn-success:hover {
    background: linear-gradient(135deg, #0ea5e9 0%, #0284c7 100%);
    color: #fff;
    text-decoration: none;
}
.header {
    background: #1a1a2e;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}
.header-top {
    background: #16213e;
    color: #fff;
    padding: 10px 0;
    font-size: 14px;
}
.header-top .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.header-top-contact a {
    color: #a0aec0;
    margin-right: 20px;
}
.header-top-buttons {
    display: flex;
    gap: 10px;
}
.header-top-buttons .btn {
    padding: 6px 20px;
    font-size: 14px;
}
.header-main {
    padding: 20px 0;
}
.header-main .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo a {
    font-size: 28px;
    font-weight: bold;
    color: #fff;
}
.logo span {
    color: #10b981;
}
.nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}
.nav a {
    color: #a0aec0;
    font-weight: 500;
    font-size: 16px;
}
.nav a:hover, .nav a.active {
    color: #fff;
}
.hero {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #fff;
    padding: 100px 0;
}
.hero .container {
    display: flex;
    align-items: center;
    gap: 60px;
}
.hero-content {
    flex: 1;
}
.hero-content h1 {
    font-size: 48px;
    margin-bottom: 20px;
    line-height: 1.2;
}
.hero-content p {
    font-size: 18px;
    color: #a0aec0;
    margin-bottom: 30px;
}
.hero-buttons {
    display: flex;
    gap: 20px;
}
.hero-image {
    flex: 1;
}
.section {
    padding: 80px 0;
}
.section-title {
    text-align: center;
    margin-bottom: 60px;
}
.section-title h2 {
    font-size: 36px;
    color: #1a1a2e;
    margin-bottom: 15px;
}
.section-title p {
    color: #666;
    font-size: 16px;
}
.features {
    background: #fff;
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.feature-item {
    background: #f8fafc;
    padding: 40px 30px;
    border-radius: 8px;
    text-align: center;
}
.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}
.feature-item h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #1a1a2e;
}
.feature-item p {
    color: #666;
}
.products {
    background: #f5f7fa;
}
.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}
.product-item {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.product-content {
    padding: 30px;
}
.product-content h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #1a1a2e;
}
.product-content p {
    color: #666;
    margin-bottom: 20px;
}
.news {
    background: #fff;
}
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.news-item {
    background: #f8fafc;
    border-radius: 8px;
    overflow: hidden;
}
.news-content {
    padding: 25px;
}
.news-date {
    color: #999;
    font-size: 14px;
    margin-bottom: 10px;
}
.news-content h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #1a1a2e;
}
.news-content p {
    color: #666;
    font-size: 14px;
}
.cta {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #fff;
    text-align: center;
}
.cta h2 {
    font-size: 36px;
    margin-bottom: 20px;
}
.cta p {
    color: #a0aec0;
    font-size: 18px;
    margin-bottom: 30px;
}
.footer {
    background: #0f0f23;
    color: #a0aec0;
    padding: 60px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}
.footer-item h4 {
    color: #fff;
    font-size: 18px;
    margin-bottom: 20px;
}
.footer-item ul {
    list-style: none;
}
.footer-item li {
    margin-bottom: 10px;
}
.footer-item a {
    color: #a0aec0;
}
.footer-item a:hover {
    color: #fff;
}
.footer-bottom {
    border-top: 1px solid #1a1a2e;
    padding: 20px 0;
    text-align: center;
}
.breadcrumb {
    background: #e2e8f0;
    padding: 15px 0;
}
.breadcrumb ul {
    display: flex;
    list-style: none;
    gap: 10px;
}
.breadcrumb a {
    color: #666;
}
.breadcrumb .current {
    color: #1a1a2e;
}
.page-content {
    background: #fff;
}
.content-grid {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: 40px;
}
.main-content h1 {
    font-size: 32px;
    margin-bottom: 20px;
    color: #1a1a2e;
}
.main-content p {
    margin-bottom: 20px;
    color: #333;
}
.main-content h2 {
    font-size: 24px;
    margin: 30px 0 15px;
    color: #1a1a2e;
}
.main-content h3 {
    font-size: 20px;
    margin: 25px 0 12px;
    color: #1a1a2e;
}
.sidebar {
    background: #f8fafc;
    padding: 25px;
    border-radius: 8px;
}
.sidebar-widget {
    margin-bottom: 30px;
}
.sidebar-widget h4 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #1a1a2e;
}
.sidebar-widget ul {
    list-style: none;
}
.sidebar-widget li {
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid #e2e8f0;
}
.news-list-item {
    display: flex;
    gap: 20px;
    padding: 25px 0;
    border-bottom: 1px solid #e2e8f0;
}
.news-list-item:last-child {
    border-bottom: none;
}
.news-list-info {
    flex: 1;
}
.news-list-info h3 a {
    color: #1a1a2e;
    font-size: 20px;
}
.news-list-info p {
    color: #666;
    margin-top: 10px;
}
.contact-form {
    background: #f8fafc;
    padding: 40px;
    border-radius: 8px;
}
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}
.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #cbd5e0;
    border-radius: 4px;
    font-size: 16px;
}
.form-group textarea {
    resize: vertical;
    min-height: 150px;
}
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 24px;
    cursor: pointer;
}
@media (max-width: 992px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .products-grid {
        grid-template-columns: 1fr;
    }
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .content-grid {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 768px) {
    .nav {
        display: none;
    }
    .mobile-menu-toggle {
        display: block;
    }
    .hero-content h1 {
        font-size: 32px;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .news-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .hero-buttons {
        flex-direction: column;
    }
    .header-top .container {
        flex-direction: column;
        gap: 10px;
    }
}