:root {
    --primary: #1a365d;
    --primary-light: #2c5282;
    --secondary: #3182ce;
    --accent: #4299e1;
    --dark: #1a202c;
    --gray-100: #f7fafc;
    --gray-200: #edf2f7;
    --gray-300: #e2e8f0;
    --gray-600: #718096;
    --gray-800: #2d3748;
    --white: #ffffff;
    --success: #48bb78;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
header {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--primary);
    font-weight: 700;
    font-size: 1.5rem;
}

.logo svg {
    width: 40px;
    height: 40px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    text-decoration: none;
    color: var(--gray-600);
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
}

.nav-cta {
    background: var(--secondary);
    color: var(--white);
    padding: 10px 24px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.2s;
}

.nav-cta:hover {
    background: var(--primary-light);
}

/* Hero Section */
.hero {
    padding: 160px 0 100px;
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--white) 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    color: var(--dark);
    margin-bottom: 24px;
}

.hero h1 span {
    color: var(--secondary);
}

.hero p {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: 32px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
}

.btn-primary {
    background: var(--secondary);
    color: var(--white);
    padding: 14px 32px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary);
    padding: 14px 32px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    border: 2px solid var(--gray-300);
    transition: all 0.2s;
}

.btn-secondary:hover {
    border-color: var(--secondary);
    color: var(--secondary);
}

.hero-image {
    display: flex;
    justify-content: center;
}

.hero-image svg {
    width: 100%;
    max-width: 500px;
    height: auto;
}

/* Stats */
.stats {
    padding: 60px 0;
    background: var(--primary);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}

.stat-item h3 {
    font-size: 3rem;
    color: var(--white);
    margin-bottom: 8px;
}

.stat-item p {
    color: var(--accent);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Features Section */
.features {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--dark);
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    padding: 32px;
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.1);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: var(--gray-100);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon svg {
    width: 28px;
    height: 28px;
    color: var(--secondary);
}

.feature-card h3 {
    font-size: 1.25rem;
    color: var(--dark);
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--gray-600);
}

/* Products Section */
.products {
    padding: 100px 0;
    background: var(--gray-100);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.product-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: all 0.3s;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.12);
}

.product-image {
    height: 200px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-image svg {
    width: 80px;
    height: 80px;
    color: var(--white);
}

.product-content {
    padding: 28px;
}

.product-content h3 {
    font-size: 1.5rem;
    color: var(--dark);
    margin-bottom: 12px;
}

.product-content p {
    color: var(--gray-600);
    margin-bottom: 20px;
}

.product-features {
    list-style: none;
    margin-bottom: 24px;
}

.product-features li {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--gray-600);
    padding: 6px 0;
}

.product-features li svg {
    width: 16px;
    height: 16px;
    color: var(--success);
}

/* Testimonials */
.testimonials {
    padding: 100px 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.testimonial-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    padding: 32px;
}

.testimonial-content {
    margin-bottom: 24px;
}

.testimonial-content p {
    font-size: 1.125rem;
    color: var(--gray-800);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: var(--gray-200);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--primary);
}

.author-info h4 {
    color: var(--dark);
    font-size: 1rem;
}

.author-info p {
    color: var(--gray-600);
    font-size: 0.875rem;
}

/* CTA Section */
.cta {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    text-align: center;
}

.cta h2 {
    font-size: 2.5rem;
    color: var(--white);
    margin-bottom: 16px;
}

.cta p {
    font-size: 1.25rem;
    color: var(--accent);
    margin-bottom: 32px;
}

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

.cta .btn-primary:hover {
    background: var(--gray-100);
}

/* Footer */
footer {
    background: var(--dark);
    padding: 80px 0 40px;
    color: var(--gray-300);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand p {
    margin-top: 16px;
    color: var(--gray-600);
}

.footer-column h4 {
    color: var(--white);
    font-size: 1rem;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.footer-column li {
    margin-bottom: 12px;
}

.footer-column a {
    color: var(--gray-600);
    text-decoration: none;
    transition: color 0.2s;
}

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

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: var(--gray-600);
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-300);
    transition: all 0.2s;
}

.social-links a:hover {
    background: var(--secondary);
    color: var(--white);
}

/* Page Headers */
.page-header {
    padding: 160px 0 80px;
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--white) 100%);
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    color: var(--dark);
    margin-bottom: 16px;
}

.page-header p {
    font-size: 1.25rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* About Page */
.about-content {
    padding: 100px 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-size: 2rem;
    color: var(--dark);
    margin-bottom: 20px;
}

.about-text p {
    color: var(--gray-600);
    margin-bottom: 16px;
}

.about-image {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 12px;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-image svg {
    width: 200px;
    height: 200px;
    color: var(--white);
    opacity: 0.9;
}

/* Team */
.team {
    padding: 100px 0;
    background: var(--gray-100);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.team-card {
    background: var(--white);
    border-radius: 12px;
    padding: 32px;
    text-align: center;
}

.team-avatar {
    width: 120px;
    height: 120px;
    background: var(--gray-200);
    border-radius: 50%;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--primary);
}

.team-card h3 {
    font-size: 1.25rem;
    color: var(--dark);
    margin-bottom: 4px;
}

.team-card .role {
    color: var(--secondary);
    font-weight: 500;
    margin-bottom: 12px;
}

.team-card p {
    color: var(--gray-600);
    font-size: 0.875rem;
}

/* Contact Page */
.contact-section {
    padding: 100px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h2 {
    font-size: 2rem;
    color: var(--dark);
    margin-bottom: 20px;
}

.contact-info > p {
    color: var(--gray-600);
    margin-bottom: 32px;
}

.contact-details {
    list-style: none;
}

.contact-details li {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}

.contact-details svg {
    width: 24px;
    height: 24px;
    color: var(--secondary);
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-details h4 {
    color: var(--dark);
    margin-bottom: 4px;
}

.contact-details p {
    color: var(--gray-600);
}

.contact-form {
    background: var(--gray-100);
    border-radius: 12px;
    padding: 40px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    color: var(--dark);
    font-weight: 500;
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--secondary);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form .btn-primary {
    width: 100%;
    justify-content: center;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

/* Solutions Page */
.solutions-content {
    padding: 100px 0;
}

.solution-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}

.solution-row:nth-child(even) {
    direction: rtl;
}

.solution-row:nth-child(even) > * {
    direction: ltr;
}

.solution-text h2 {
    font-size: 2rem;
    color: var(--dark);
    margin-bottom: 16px;
}

.solution-text p {
    color: var(--gray-600);
    margin-bottom: 24px;
}

.solution-list {
    list-style: none;
}

.solution-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--gray-600);
    padding: 8px 0;
}

.solution-list li svg {
    width: 20px;
    height: 20px;
    color: var(--success);
}

.solution-image {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 12px;
    height: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.solution-image svg {
    width: 150px;
    height: 150px;
    color: var(--white);
    opacity: 0.9;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-content,
    .about-grid,
    .contact-grid,
    .solution-row {
        grid-template-columns: 1fr;
    }
    
    .stats-grid,
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid,
    .products-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .stats-grid,
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .solution-row:nth-child(even) {
        direction: ltr;
    }
}