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

:root {
    --primary-blue: #1e40af;
    --light-blue: #3b82f6;
    --dark-blue: #1e3a8a;
    --accent-blue: #60a5fa;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --white: #ffffff;
    --border: #e5e7eb;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header & Navigation */
header {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    color: var(--white);
    padding: 8rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.tagline {
    font-size: 1.5rem;
    margin-bottom: 3rem;
    opacity: 0.95;
    font-weight: 300;
}

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

.btn {
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
}

.btn-primary {
    background: var(--white);
    color: var(--primary-blue);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-blue);
}

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

.about h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-blue);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    color: var(--text-light);
    line-height: 1.8;
}

.about-text strong {
    color: var(--text-dark);
}

.blueprint-visual {
    display: flex;
    justify-content: center;
}

.blueprint-box {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border: 2px solid var(--light-blue);
    border-radius: 12px;
    padding: 2rem;
    width: 100%;
    max-width: 400px;
}

.blueprint-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 1.5rem;
    text-align: center;
}

.blueprint-items {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.blueprint-item {
    background: var(--white);
    padding: 1rem;
    border-radius: 8px;
    border-left: 4px solid var(--light-blue);
    font-weight: 500;
    color: var(--text-dark);
}

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

.products h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-blue);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.product-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: all 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.product-card.featured {
    border: 2px solid var(--light-blue);
    background: linear-gradient(135deg, #ffffff 0%, #f0f9ff 100%);
}

.product-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-blue);
}

.product-status {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--light-blue);
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.product-card p:last-child {
    color: var(--text-light);
    line-height: 1.7;
}

/* Values Section */
.values {
    padding: 6rem 0;
    background: var(--white);
}

.values h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-blue);
}

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

.value-card {
    text-align: center;
}

.value-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--accent-blue);
    opacity: 0.3;
    margin-bottom: 1rem;
}

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

.value-card p {
    color: var(--text-light);
    line-height: 1.7;
}

/* Vision Section */
.vision {
    padding: 6rem 0;
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
    color: var(--white);
    text-align: center;
}

.vision h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

.vision-text {
    font-size: 1.25rem;
    max-width: 800px;
    margin: 0 auto 1.5rem;
    line-height: 1.8;
    opacity: 0.95;
}

.vision-tagline {
    font-size: 1.5rem;
    margin-top: 2rem;
}

/* Footer */
footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--accent-blue);
}

.footer-brand p {
    color: var(--text-light);
}

.footer-note {
    text-align: right;
}

.footer-note p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .tagline {
        font-size: 1.25rem;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }

    .nav-links {
        gap: 1rem;
    }

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

    .footer-note {
        text-align: center;
    }

    .product-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 4rem 0;
    }

    .hero h1 {
        font-size: 2rem;
    }

    nav {
        flex-direction: column;
        gap: 1rem;
    }

    .values-grid {
        grid-template-columns: 1fr;
    }
}