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

body {
    background-color: #000000;
    color: #00ff41;
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    padding: 20px;
    z-index: 1000;
}

.logo img {
    width: 80px;
    height: auto;
}

main {
    padding-top: 120px;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 40px;
    padding-right: 40px;
}

.hero {
    text-align: center;
    padding: 60px 0;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    text-shadow: 0 0 20px #00ff41;
}

.subtitle {
    font-size: 1.5rem;
    opacity: 0.8;
    margin-bottom: 40px;
}

.about {
    padding: 60px 0;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.about h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    text-shadow: 0 0 10px #00ff41;
}

.about p {
    font-size: 1.1rem;
    opacity: 0.9;
    line-height: 1.8;
}

.products {
    padding: 60px 0;
    text-align: center;
}

.products h2 {
    font-size: 2.5rem;
    margin-bottom: 50px;
    text-shadow: 0 0 10px #00ff41;
}

.systems {
    display: flex;
    gap: 40px;
    justify-content: center;
    max-width: 900px;
    margin: 0 auto;
}

.system-card {
    background: linear-gradient(145deg, #111111, #1a1a1a);
    border: 2px solid #00ff41;
    border-radius: 15px;
    padding: 40px 30px;
    flex: 1;
    max-width: 400px;
    transition: all 0.3s ease;
    text-decoration: none;
    color: #00ff41;
}

.system-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 255, 65, 0.4);
    border-color: #00ff41;
}

.system-card h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.system-card p {
    opacity: 0.8;
    line-height: 1.6;
    font-size: 1rem;
}

footer {
    text-align: center;
    padding: 40px 0;
    margin-top: 80px;
    border-top: 1px solid #333;
    opacity: 0.6;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .systems {
        flex-direction: column;
        align-items: center;
        gap: 30px;
    }
    
    .system-card {
        max-width: 100%;
    }
    
    main {
        padding-left: 20px;
        padding-right: 20px;
    }
}