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

body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: #111827;
    background: #ffffff;
}

.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background: #ffffff;
    border-bottom: 1px solid #e5e7eb;
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-size: 1.3rem;
    font-weight: 700;
    color: #111827;
}

.logo span {
    color: #1d4ed8;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

.nav-links a {
    color: #4b5563;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
}

.btn {
    display: inline-block;
    padding: 0.7rem 1.3rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: #2563eb;
    color: white;
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 1.5px solid white;
}

.hero {
    background: #0f172a;
    color: white;
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: center;
    padding: 2.5rem 0;
}

.hero h1 {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1.15;
    color: white;
    margin-bottom: 0.8rem;
}

.hero h1 span {
    color: #60a5fa;
}

.hero-sub {
    font-size: 1rem;
    color: #cbd5e1;
    margin-bottom: 1.2rem;
}

.hero-buttons {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.hero-image img {
    width: 100%;
    border-radius: 8px;
}

.section {
    padding: 2.5rem 0;
}

.section-dark {
    background: #f9fafb;
}

h2 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.section-lead {
    font-size: 1rem;
    color: #4b5563;
    margin-bottom: 1.5rem;
}

.product-grid,
.services-grid,
.use-cases,
.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.2rem;
}

.product-images {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}

.product-images img {
    width: 100%;
    border-radius: 6px;
    height: 120px;
    object-fit: cover;
}

.service-card,
.use-case {
    background: #ffffff;
    padding: 1.2rem;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
}

.service-card.highlight {
    border-color: #1d4ed8;
}

.service-icon {
    font-size: 1.4rem;
    margin-bottom: 0.4rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    padding: 0.75rem;
    border-radius: 6px;
    border: 1px solid #d1d5db;
    font-size: 16px;
}

.contact-info {
    background: #f9fafb;
    padding: 1.2rem;
    border-radius: 8px;
}

footer {
    background: #111827;
    padding: 1.5rem 0;
    text-align: center;
    color: #9ca3af;
    font-size: 0.85rem;
}

@media (min-width: 768px) {
    .hero {
        grid-template-columns: 1.1fr 0.9fr;
        padding: 4rem 0;
        gap: 3rem;
    }
    
    .hero h1 {
        font-size: 3rem;
    }
    
    .hero-sub {
        font-size: 1.1rem;
    }
    
    .section {
        padding: 4rem 0;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .product-grid,
    .contact-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2.5rem;
    }
    
    .services-grid,
    .use-cases {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
    }
    
    .product-images img {
        height: 160px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.7rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .product-images {
        grid-template-columns: 1fr;
    }
    
    .product-images img {
        height: 180px;
    }
}