:root {
    --primary-navy: #1a237e;
    --electric-lime: #c6ff00;
    --dark-navy: #0d1461;
    --light-navy: #3949ab;
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --medium-gray: #6c757d;
    --dark-gray: #343a40;
}

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

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

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

/* Header Styles */
.header {
    background: var(--white);
    border-bottom: 2px solid var(--electric-lime);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    width: 48px;
    height: 48px;
}

.brand-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-navy);
}

.header-cta .cta-button {
    background: var(--electric-lime);
    color: var(--primary-navy);
    padding: 12px 24px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
}

.header-cta .cta-button:hover {
    background: #b8f000;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--dark-navy) 100%);
    color: var(--white);
    padding: 80px 0;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 48px;
    line-height: 1.5;
    opacity: 0.9;
}

.hero-image-placeholder {
    margin-top: 48px;
}

.hero-icon {
    width: 120px;
    height: 120px;
    filter: brightness(0) invert(1);
}

.hero-image {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

/* Feature Sections */
.feature-section {
    padding: 80px 0;
}

.feature-section.alternate {
    background: var(--light-gray);
}

.feature-content {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 48px;
    align-items: center;
    margin-bottom: 48px;
}

.feature-section.alternate .feature-content {
    grid-template-columns: 1fr auto;
}

.feature-section.alternate .feature-text {
    order: -1;
}

.feature-icon img {
    width: 80px;
    height: 80px;
    filter: invert(12%) sepia(94%) saturate(1679%) hue-rotate(229deg) brightness(87%) contrast(111%);
}

.feature-text h2 {
    font-size: 2.5rem;
    color: var(--primary-navy);
    margin-bottom: 24px;
    font-weight: 700;
}

.feature-text p {
    font-size: 1.125rem;
    line-height: 1.6;
    color: var(--medium-gray);
}

.image-placeholder {
    background: var(--light-gray);
    border: 2px dashed var(--medium-gray);
    padding: 60px 20px;
    text-align: center;
    border-radius: 8px;
    color: var(--medium-gray);
    font-size: 1.125rem;
    overflow: hidden;
}

.feature-image {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
}

.feature-image:hover {
    transform: scale(1.02);
}

.feature-section.alternate .image-placeholder {
    background: var(--white);
    border: none;
    padding: 0;
}

/* Products Section */
.products-section {
    padding: 80px 0;
    background: var(--primary-navy);
    color: var(--white);
}

.products-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    font-weight: 700;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.product-card {
    background: var(--white);
    color: var(--dark-gray);
    padding: 32px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.product-icon {
    margin-bottom: 24px;
}

.product-icon img {
    width: 64px;
    height: 64px;
    filter: invert(12%) sepia(94%) saturate(1679%) hue-rotate(229deg) brightness(87%) contrast(111%);
}

.product-card h3 {
    font-size: 1.5rem;
    color: var(--primary-navy);
    margin-bottom: 16px;
    font-weight: 600;
}

.product-card p {
    margin-bottom: 24px;
    line-height: 1.5;
    color: var(--medium-gray);
}

.product-features {
    list-style: none;
    margin-bottom: 32px;
}

.product-features li {
    padding: 8px 0;
    border-bottom: 1px solid #eee;
    color: var(--dark-gray);
}

.product-features li:before {
    content: "✓";
    color: var(--electric-lime);
    font-weight: bold;
    margin-right: 12px;
}

.product-cta {
    background: var(--electric-lime);
    color: var(--primary-navy);
    padding: 14px 28px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    width: 100%;
    text-align: center;
}

.product-cta:hover {
    background: #b8f000;
}

/* Contact Section */
.contact-section {
    padding: 80px 0;
    background: var(--light-gray);
}

.contact-section h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-navy);
    margin-bottom: 60px;
    font-weight: 700;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 48px;
}

.contact-item {
    text-align: center;
}

.contact-icon {
    margin-bottom: 24px;
}

.contact-icon img {
    width: 48px;
    height: 48px;
    filter: invert(12%) sepia(94%) saturate(1679%) hue-rotate(229deg) brightness(87%) contrast(111%);
}

.contact-item h3 {
    font-size: 1.25rem;
    color: var(--primary-navy);
    margin-bottom: 12px;
    font-weight: 600;
}

.contact-item p {
    font-size: 1.125rem;
    line-height: 1.5;
}

.contact-item a {
    color: var(--primary-navy);
    text-decoration: none;
    font-weight: 500;
}

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

/* Footer */
.footer {
    background: var(--dark-navy);
    color: var(--white);
    padding: 40px 0;
}

.footer-content {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 32px;
    align-items: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-logo .logo {
    width: 32px;
    height: 32px;
    filter: brightness(0) invert(1);
}

.footer-logo .brand-name {
    font-size: 1.25rem;
    font-weight: 600;
}

.footer-links {
    display: flex;
    gap: 24px;
    justify-content: center;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    font-size: 0.9rem;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-links a:hover {
    opacity: 1;
    text-decoration: underline;
}

.footer-text {
    text-align: right;
    opacity: 0.8;
}

.footer-text p {
    margin-bottom: 4px;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1.125rem;
    }
    
    .feature-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 32px;
    }
    
    .feature-section.alternate .feature-content {
        grid-template-columns: 1fr;
    }
    
    .feature-section.alternate .feature-text {
        order: 0;
    }
    
    .feature-text h2 {
        font-size: 2rem;
    }
    
    .header .container {
        flex-direction: column;
        gap: 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 24px;
    }
    
    .footer-text {
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .feature-section {
        padding: 60px 0;
    }
    
    .products-section {
        padding: 60px 0;
    }
    
    .contact-section {
        padding: 60px 0;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 12px;
    }
}