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

:root {
    --primary-color: #0f172a;
    --secondary-color: #1e293b;
    --accent-color: #3b82f6;
    --accent-hover: #2563eb;
    --text-dark: #0f172a;
    --text-light: #64748b;
    --background-light: #f8fafc;
    --background-dark: #0f172a;
    --white: #ffffff;
    --border-color: #e2e8f0;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Header and Navigation */
header {
    background-color: var(--white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95);
}

.navbar {
    padding: 1.25rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 700;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: color 0.2s ease;
    position: relative;
}

.nav-links a:hover {
    color: var(--accent-color);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: width 0.2s ease;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(180deg, var(--background-dark) 0%, #1e293b 100%);
    color: var(--white);
    padding: 8rem 0 6rem;
    text-align: center;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(168, 85, 247, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-content h2 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.tagline {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: #94a3b8;
    font-weight: 400;
}

.hero-description {
    font-size: 1.125rem;
    max-width: 640px;
    margin: 0 auto 3rem;
    color: #cbd5e1;
    line-height: 1.8;
}

.cta-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.2s ease;
    border: 2px solid transparent;
}

.cta-button.primary {
    background-color: var(--accent-color);
    color: var(--white);
}

.cta-button.primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
}

.cta-button.secondary {
    background-color: transparent;
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.3);
}

.cta-button.secondary:hover {
    border-color: var(--white);
    background-color: rgba(255, 255, 255, 0.1);
}

/* About Section */
.about {
    padding: 6rem 0;
    background-color: var(--white);
}

.about h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
    font-weight: 700;
    letter-spacing: -0.5px;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.125rem;
    line-height: 1.9;
    color: var(--text-light);
}

.about-content p {
    margin-bottom: 1.5rem;
}

/* Products Section */
.products {
    padding: 6rem 0;
    background-color: var(--background-light);
}

.products h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
    font-weight: 700;
    letter-spacing: -0.5px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.product-card {
    background-color: var(--white);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-color);
}

.product-header {
    margin-bottom: 1.5rem;
}

.product-icon {
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.product-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-weight: 700;
}

.product-card p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.product-features {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.feature-tag {
    background-color: var(--background-light);
    color: var(--accent-color);
    padding: 0.375rem 0.875rem;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    border: 1px solid var(--border-color);
}

/* Technology Section */
.technology {
    padding: 6rem 0;
    background-color: var(--white);
}

.technology h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
    font-weight: 700;
    letter-spacing: -0.5px;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.tech-card {
    background-color: var(--background-light);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    text-align: center;
}

.tech-card h3 {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
    color: var(--primary-color);
    font-weight: 700;
}

.tech-card p {
    color: var(--text-light);
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* Contact Section */
.contact {
    padding: 6rem 0;
    background-color: var(--background-light);
    text-align: center;
}

.contact h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-weight: 700;
    letter-spacing: -0.5px;
}

.contact-description {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 2.5rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 600px;
    margin: 0 auto;
}

.contact-item {
    font-size: 1.125rem;
    color: var(--text-light);
}

.contact-item a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s ease;
}

.contact-item a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 3rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--white);
}

.footer-section p {
    color: #94a3b8;
    font-size: 0.9375rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 0.9375rem;
    transition: color 0.2s ease;
}

.footer-section a:hover {
    color: var(--white);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: #94a3b8;
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        gap: 1.25rem;
        font-size: 0.875rem;
    }

    .hero {
        padding: 5rem 0 4rem;
    }

    .hero-content h2 {
        font-size: 2.5rem;
    }

    .tagline {
        font-size: 1.25rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .cta-group {
        flex-direction: column;
    }

    .cta-button {
        width: 100%;
        max-width: 300px;
    }

    .about h2,
    .products h2,
    .technology h2,
    .contact h2 {
        font-size: 2rem;
    }

    .products-grid,
    .tech-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about, .products, .technology, .contact {
        padding: 4rem 0;
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 1.25rem;
    }

    .nav-links {
        gap: 1rem;
        font-size: 0.8125rem;
    }

    .hero {
        padding: 4rem 0 3rem;
    }

    .hero-content h2 {
        font-size: 2rem;
    }

    .tagline {
        font-size: 1.125rem;
    }

    .about h2,
    .products h2,
    .technology h2,
    .contact h2 {
        font-size: 1.75rem;
    }

    .about, .products, .technology, .contact {
        padding: 3rem 0;
    }

    .product-card,
    .tech-card {
        padding: 1.5rem;
    }
}