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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
    color: #ffffff;
    line-height: 1.6;
}

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

header {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    background: linear-gradient(90deg, #00d2ff, #3a7bd5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-links li a {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links li a:hover {
    color: #00d2ff;
}

.nav-links li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #00d2ff, #3a7bd5);
    bottom: -5px;
    left: 0;
    transition: width 0.3s ease;
}

.nav-links li a:hover::after {
    width: 100%;
}

.hero {
    padding: 150px 0 100px;
    text-align: center;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%2300d2ff" fill-opacity="0.1" d="M0,192L48,213.3C96,235,192,277,288,261.3C384,245,480,171,576,149.3C672,128,768,160,864,181.3C960,203,1056,213,1152,197.3C1248,181,1344,139,1392,117.3L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-repeat: no-repeat;
    background-position: bottom;
    background-size: cover;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    background: linear-gradient(90deg, #00d2ff, #3a7bd5, #00d2ff);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shine 3s linear infinite;
}

@keyframes shine {
    to {
        background-position: 200% center;
    }
}

.hero p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
}

.download-btn {
    display: inline-block;
    padding: 15px 40px;
    background: linear-gradient(90deg, #00d2ff, #3a7bd5);
    color: #ffffff;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 18px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 210, 255, 0.4);
}

.download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 210, 255, 0.6);
}

.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #00d2ff, #3a7bd5);
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

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

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

.feature-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
    border-color: rgba(0, 210, 255, 0.3);
}

.feature-card i {
    font-size: 48px;
    margin-bottom: 20px;
    background: linear-gradient(90deg, #00d2ff, #3a7bd5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.feature-card p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

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

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

.product-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 210, 255, 0.3);
}

.product-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.product-card .product-info {
    padding: 25px;
}

.product-card h3 {
    font-size: 20px;
    margin-bottom: 10px;
}

.product-card p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
}

.product-card .download-btn {
    padding: 10px 25px;
    font-size: 14px;
    display: block;
    text-align: center;
}

.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-radius: 15px;
    padding: 25px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.news-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
}

.news-card .news-date {
    color: rgba(0, 210, 255, 0.8);
    font-size: 14px;
    margin-bottom: 10px;
}

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

.news-card p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    line-height: 1.8;
}

.news-card a {
    color: #00d2ff;
    text-decoration: none;
    font-weight: 500;
    display: inline-block;
    margin-top: 15px;
    transition: color 0.3s ease;
}

.news-card a:hover {
    color: #3a7bd5;
}

.about {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 16px;
    margin-bottom: 20px;
    text-align: justify;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.contact-item {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-item i {
    font-size: 36px;
    margin-bottom: 15px;
    color: #00d2ff;
}

.contact-item h4 {
    font-size: 18px;
    margin-bottom: 10px;
}

.contact-item p {
    color: rgba(255, 255, 255, 0.7);
}

footer {
    background: rgba(0, 0, 0, 0.3);
    padding: 50px 0;
    margin-top: 50px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-links {
    display: flex;
    list-style: none;
    gap: 20px;
}

.footer-links li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links li a:hover {
    color: #00d2ff;
}

@media (max-width: 768px) {
    .nav-links {
        gap: 15px;
    }

    .hero h1 {
        font-size: 32px;
    }

    .hero p {
        font-size: 16px;
    }

    .section-title {
        font-size: 28px;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: linear-gradient(90deg, #00d2ff, #3a7bd5);
    color: #ffffff;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 20px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

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

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 15px rgba(0, 210, 255, 0.4);
}