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

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #fafafa;
}

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

header {
    background: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo {
    text-align: center;
}

.logo img {
    height: 40px;
    width: auto;
}

main {
    margin-top: 80px;
}

.hero {
    background-image: linear-gradient(135deg, rgba(25, 47, 68, 0.95) 0%, rgba(25, 47, 68, 0.90) 40%, rgba(99, 121, 134, 0.75) 100%), url("code_background.png");
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    color: white;
    padding: 120px 0;
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: 300;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.9;
}

.cta-button {
    display: inline-block;
    background: rgba(255,255,255,0.15);
    color: white;
    padding: 15px 40px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 500;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
}

.cta-button:hover {
    background: rgba(255,255,255,0.25);
    transform: translateY(-2px);
}

.services {
    padding: 100px 0;
    background: white;
}

.services h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 4rem;
    color: #192f44;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.service-card {
    padding: 2.5rem;
    background: #f8f9fa;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-left: 4px solid #a3c3d0;
    border-right: 4px solid #a3c3d0;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(99,121,134,0.2);
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #192f44;
}

.service-card p {
    color: #666;
    font-size: 1.1rem;
    line-height: 1.7;
}

.products {
    padding: 100px 0;
    background: #fafafa;
}

.products h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 4rem;
    color: #192f44;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.product-card {
    padding: 2.5rem;
    background: white;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-left: 4px solid #637986;
    border-right: 4px solid #637986;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(99,121,134,0.2);
}

.product-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #192f44;
}

.product-card p {
    color: #666;
    font-size: 1.1rem;
    line-height: 1.7;
}

.about {
    padding: 100px 0;
    background: #f8f9fa;
}

.about h2 {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 3rem;
    text-align: center;
    color: #192f44;
}

.about p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: #555;
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.contact {
    padding: 100px 0;
    background: #192f44;
    color: white;
    text-align: center;
}

.contact h2 {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.contact > div > p {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    opacity: 0.8;
}

.contact-info p {
    font-size: 1.5rem;
    font-weight: 500;
    color: #a3c3d0;
}

footer {
    background: #243644;
    color: #798f9b;
    text-align: center;
    padding: 2rem 0;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
   
    .hero-subtitle {
        font-size: 1.1rem;
    }
   
    .services h2,
    .about h2,
    .contact h2 {
        font-size: 2rem;
    }
   
    .services-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
   
    .service-card {
        padding: 2rem;
    }

    .products-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .product-card {
        padding: 2rem;
    }
}