:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1e40af;
    --color-secondary: #64748b;
    --color-text: #0f172a;
    --color-text-light: #475569;
    --color-bg: #ffffff;
    --color-bg-alt: #f8fafc;
    --color-border: #e2e8f0;
    --color-success: #10b981;
    --color-error: #ef4444;
    
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    
    --transition: all 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 5rem 0;
}

.section-alt {
    background-color: var(--color-bg-alt);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--color-text);
}

.section-description {
    text-align: center;
    font-size: 1.125rem;
    color: var(--color-text-light);
    max-width: 700px;
    margin: 0 auto 3rem;
}

.header {
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
}

.nav-brand a {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.nav-brand img {
    height: 40px;
    width: auto;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    margin: 3px 0;
    transition: var(--transition);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--color-text);
    font-weight: 500;
    transition: var(--transition);
}

.nav-menu a:hover {
    color: var(--color-primary);
}

.nav-link-secondary {
    color: var(--color-secondary) !important;
}

.btn {
    display: inline-block;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    text-decoration: none;
    text-align: center;
    transition: var(--transition);
    border: 1px solid transparent;
    cursor: pointer;
    font-size: 0.9375rem;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dark);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text);
    border-color: var(--color-border);
}

.btn-secondary:hover {
    background-color: var(--color-bg-alt);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

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

.btn-large {
    padding: 0.875rem 2rem;
    font-size: 1.0625rem;
}

.hero {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%);
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

.hero-description {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.hero-tertiary {
    text-align: center;
}

.link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.link:hover {
    text-decoration: underline;
}

.process-diagram {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 2rem;
    background-color: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.process-step {
    padding: 1rem 2rem;
    background-color: var(--color-primary);
    color: white;
    border-radius: var(--radius-md);
    font-weight: 500;
    text-align: center;
    min-width: 200px;
}

.process-arrow {
    font-size: 1.5rem;
    color: var(--color-primary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    padding: 2rem;
    background-color: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.service-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.featured-service {
    border: 2px solid var(--color-primary);
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(255, 255, 255, 1) 100%);
}

.featured-service:hover {
    border-color: var(--color-primary-dark);
    box-shadow: 0 8px 20px -4px rgba(37, 99, 235, 0.3);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--color-text);
}

.service-card p {
    color: var(--color-text-light);
    margin-bottom: 1rem;
}

.card-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.card-link:hover {
    text-decoration: underline;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.solution-card {
    padding: 2rem;
    background-color: white;
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.solution-card:hover {
    box-shadow: var(--shadow-md);
}

.solution-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.solution-card p {
    color: var(--color-text-light);
    margin-bottom: 1rem;
}

.solutions-footer {
    margin-top: 3rem;
    text-align: center;
    font-size: 1.125rem;
}

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

.feature h3 {
    font-size: 1.375rem;
    margin-bottom: 0.75rem;
    color: var(--color-text);
}

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

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.placeholder-text {
    text-align: center;
    color: var(--color-text-light);
    padding: 3rem 0;
    grid-column: 1 / -1;
}

.section-cta {
    margin-top: 3rem;
    text-align: center;
}

.process-flow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    max-width: 300px;
    margin: 0 auto 2rem;
}

.flow-step {
    text-align: center;
}

.step-number {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: var(--color-primary);
    color: white;
    border-radius: var(--radius-md);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.flow-step h3 {
    font-size: 1.125rem;
    color: var(--color-text);
}

.flow-arrow {
    font-size: 1.5rem;
    color: var(--color-secondary);
}

.process-note {
    text-align: center;
    color: var(--color-text-light);
    font-size: 1.0625rem;
    max-width: 600px;
    margin: 0 auto;
}

.experts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.experts-cta {
    margin-top: 3rem;
    text-align: center;
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.cta-final {
    background: linear-gradient(135deg, #1e40af 0%, #2563eb 100%);
    color: white;
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: white;
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
}

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

.footer {
    background-color: var(--color-text);
    color: white;
    padding: 4rem 0 2rem;
}

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

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links h4 {
    font-size: 1rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

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

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-legal {
    display: flex;
    gap: 2rem;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-legal a:hover {
    color: white;
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 4rem;
        flex-direction: column;
        background-color: var(--color-bg);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-md);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .services-grid,
    .solutions-grid,
    .features-grid,
    .projects-grid,
    .experts-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .experts-cta {
        flex-direction: column;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}