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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
    color: #ffffff;
    line-height: 1.6;
}

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

header {
    background: linear-gradient(90deg, #0d1117 0%, #161b22 50%, #0d1117 100%);
    padding: 20px 0;
    border-bottom: 1px solid #30363d;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.logo {
    font-size: 28px;
    font-weight: bold;
    color: #00d4ff;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
}

.logo i {
    margin-right: 10px;
}

nav {
    float: right;
}

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

nav ul li a {
    color: #ffffff;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: #00d4ff;
}

.hero {
    padding: 150px 0 100px;
    text-align: center;
    background: linear-gradient(180deg, rgba(0,212,255,0.1) 0%, transparent 100%);
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    background: linear-gradient(90deg, #00d4ff, #7b2fff, #ff00ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 20px;
    color: #a0a0a0;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    padding: 80px 0;
}

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 40px 30px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2);
}

.feature-card i {
    font-size: 48px;
    margin-bottom: 20px;
    color: #00d4ff;
}

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

.feature-card p {
    color: #a0a0a0;
    font-size: 14px;
}

.products {
    padding: 80px 0;
    background: rgba(0, 0, 0, 0.2);
}

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #ffffff;
}

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

.product-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    overflow: hidden;
    transition: transform 0.3s ease;
}

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

.product-image {
    height: 200px;
    background: linear-gradient(135deg, #00d4ff 0%, #7b2fff 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
}

.product-info {
    padding: 25px;
}

.product-info h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #ffffff;
}

.product-info p {
    color: #a0a0a0;
    font-size: 14px;
    margin-bottom: 20px;
}

.product-price {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.price {
    font-size: 24px;
    font-weight: bold;
    color: #00d4ff;
}

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

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.news-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 30px;
    transition: transform 0.3s ease;
}

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

.news-date {
    color: #00d4ff;
    font-size: 14px;
    margin-bottom: 15px;
}

.news-card h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #ffffff;
    line-height: 1.5;
}

.news-card p {
    color: #a0a0a0;
    font-size: 14px;
    line-height: 1.6;
}

.about-section {
    padding: 80px 0;
    background: rgba(0, 0, 0, 0.2);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-size: 32px;
    margin-bottom: 30px;
    color: #ffffff;
}

.about-text p {
    color: #a0a0a0;
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
}

.stat-item .number {
    font-size: 48px;
    font-weight: bold;
    color: #00d4ff;
}

.stat-item .label {
    font-size: 14px;
    color: #a0a0a0;
    margin-top: 5px;
}

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

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 40px;
}

.contact-info h3 {
    font-size: 24px;
    margin-bottom: 30px;
    color: #ffffff;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 25px;
}

.contact-item i {
    font-size: 24px;
    color: #00d4ff;
    margin-right: 15px;
}

.contact-item span {
    color: #a0a0a0;
    font-size: 16px;
}

.contact-form {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 40px;
}

.contact-form h3 {
    font-size: 24px;
    margin-bottom: 30px;
    color: #ffffff;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: #ffffff;
    font-size: 16px;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #00d4ff;
}

.form-group textarea {
    height: 150px;
    resize: none;
}

.btn {
    background: linear-gradient(90deg, #00d4ff, #7b2fff);
    color: #ffffff;
    border: none;
    padding: 15px 40px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.btn:hover {
    transform: scale(1.05);
}

footer {
    background: #0d1117;
    padding: 60px 0;
    border-top: 1px solid #30363d;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.footer-section h4 {
    font-size: 18px;
    margin-bottom: 20px;
    color: #ffffff;
}

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

.footer-section ul li {
    margin-bottom: 15px;
}

.footer-section ul li a {
    color: #a0a0a0;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #00d4ff;
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid #30363d;
    color: #606060;
    font-size: 14px;
}

.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #00d4ff;
    color: #000;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

.scroll-top.active {
    opacity: 1;
    visibility: visible;
}

@media (max-width: 768px) {
    nav ul {
        flex-direction: column;
        gap: 15px;
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .about-content,
    .contact-content,
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
}