body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #0a0f24;
    color: #e0f7fa;
    line-height: 1.5;
}
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #061434;
    padding: 10px 20px;
    position: sticky;
    top: 0;
    z-index: 100;
}
nav .logo img {
    height: 50px;
}
nav ul {
    list-style: none;
    display: flex;
    margin: 0;
    padding: 0;
}
nav ul li {
    margin-left: 20px;
}
nav ul li a {
    text-decoration: none;
    color: #a7ffeb;
    font-weight: bold;
    transition: color 0.3s ease;
}
nav ul li a:hover {
    color: #69f0ae;
}
.hero {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 70vh;
    background: linear-gradient(180deg, #0a0f24 0%, #051022 100%);
    text-align: center;
}
.hero h1 {
    font-size: 3rem;
    margin: 0;
    color: #a7ffeb;
}
.hero p {
    font-size: 1.25rem;
    margin-top: 10px;
    color: #80deea;
}
.about, .products, .contact {
    padding: 40px 20px;
    max-width: 1000px;
    margin: 0 auto;
}
.about h2, .products h2, .contact h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: #69f0ae;
}
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}
.product-card {
    background: #051022;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}
.product-card h3 {
    margin-top: 0;
    color: #a7ffeb;
}
.product-card p {
    margin: 10px 0 0;
    color: #e0f7fa;
}
.contact a {
    color: #69f0ae;
    text-decoration: none;
}
.contact a:hover {
    text-decoration: underline;
}
footer {
    text-align: center;
    padding: 20px;
    background: #061434;
    color: #80deea;
}
@media (max-width: 600px) {
    nav ul li {
        margin-left: 10px;
    }
    .hero h1 {
        font-size: 2.5rem;
    }
    .hero p {
        font-size: 1rem;
    }
}