/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: #e5e7eb;
    background-color: #0f172a;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(30, 58, 138, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #1e293b;
    z-index: 1000;
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo h2 {
    font-size: 4.5rem;
    font-weight: 700;
    color: #60a5fa;
}

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

.nav-link {
    text-decoration: none;
    color: #cbd5e1;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #60a5fa;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: #cbd5e1;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 80px 0 40px;
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: center;
}

.hero-title {
    font-size: 2.8rem;
    font-weight: 700;
    color: #f8fafc;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 2rem;
    font-weight: 600;
    color: #60a5fa;
    margin-bottom: 0.5rem;
}

.hero-credential {
    font-size: 1.2rem;
    font-weight: 500;
    color: #94a3b8;
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.1rem;
    color: #cbd5e1;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image {
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-left: 30px;
    margin-top: 60px;
}

.hero-image img {
    width: 500px;
    height: 500px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center center;
    border: 4px solid #1e293b;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    display: block;
    margin: 0 auto;
}

/* Social Proof Section */
.social-proof {
    padding: 60px 0;
    background: #fff;
    border-bottom: 1px solid #e5e5e5;
}

.social-proof h3 {
    text-align: center;
    font-size: 1.2rem;
    font-weight: 600;
    color: #666;
    margin-bottom: 2rem;
}

.publications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.publication {
    text-align: center;
    padding: 1rem;
    font-weight: 500;
    color: #666;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    background: #f8fafc;
}

/* About Section */
.about {
    padding: 60px 0;
    background: #1e293b;
}

.about-content {
    margin-bottom: 2.5rem;
}

.about-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #f8fafc;
    margin-bottom: 1.5rem;
}

.about-text p {
    font-size: 1.1rem;
    color: #cbd5e1;
    margin-bottom: 1rem;
    line-height: 1.7;
}

/* Statistics */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.stat {
    text-align: center;
    padding: 2rem;
    background: #334155;
    border-radius: 12px;
    border: 1px solid #475569;
}

.stat h3 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #60a5fa;
    margin-bottom: 0.5rem;
}

.stat p {
    font-size: 1rem;
    color: #94a3b8;
    font-weight: 500;
}

/* Achievements Section */
.achievements {
    margin-top: 2rem;
    padding: 2rem;
    background: #334155;
    border-radius: 12px;
    border: 1px solid #475569;
}

.achievements h4 {
    color: #f8fafc;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.achievements ul {
    list-style: none;
}

.achievements li {
    color: #cbd5e1;
    margin-bottom: 0.8rem;
    padding-left: 1.5rem;
    position: relative;
    line-height: 1.6;
}

.achievements li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #60a5fa;
    font-weight: bold;
}

/* Services Section */
.services {
    padding: 60px 0;
    background: #0f172a;
}

.services h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #f8fafc;
    margin-bottom: 0.75rem;
}

.services-intro {
    text-align: center;
    font-size: 1.1rem;
    color: #cbd5e1;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    justify-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.service-card {
    background: #1e293b;
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid #334155;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: #60a5fa;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.service-icon i {
    font-size: 1.5rem;
    color: #fff;
}

.service-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #f8fafc;
    margin-bottom: 0.5rem;
}

.service-teaser {
    font-size: 1rem;
    font-weight: 500;
    color: #60a5fa;
    margin-bottom: 0.75rem;
    font-style: italic;
    line-height: 1.4;
}

.service-card p {
    color: #cbd5e1;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.service-cta {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: #60a5fa;
    color: #fff;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
    transition: background 0.3s ease;
}

.service-cta:hover {
    background: #3b82f6;
}

/* Expertise Section */
.expertise {
    padding: 80px 0;
    background: #1e293b;
}

.expertise h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #f8fafc;
    margin-bottom: 3rem;
}

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

.expertise-item {
    padding: 1.5rem;
    border: 1px solid #334155;
    border-radius: 8px;
    background: #334155;
}

.expertise-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #f8fafc;
    margin-bottom: 0.5rem;
}

.expertise-item p {
    color: #cbd5e1;
    font-size: 0.95rem;
}

/* Contact Section */
.contact {
    padding: 60px 0;
    background: #0f172a;
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #f8fafc;
    margin-bottom: 2rem;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #f8fafc;
    margin-bottom: 1rem;
}

.contact-info p {
    color: #cbd5e1;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-item i {
    color: #60a5fa;
    width: 20px;
}

.contact-item a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: #60a5fa;
}

/* Calendly Section */
.calendly-section {
    background: #1e293b;
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid #334155;
}

.calendly-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #f8fafc;
    margin-bottom: 1rem;
}

.calendly-content p {
    color: #cbd5e1;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.calendly-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #cbd5e1;
}

.feature-item i {
    color: #60a5fa;
    width: 20px;
    text-align: center;
}

.calendly-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    padding: 1rem 2rem;
    margin-bottom: 1rem;
}

.calendly-note {
    color: #94a3b8;
    font-size: 0.9rem;
    font-style: italic;
    margin: 0;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: #60a5fa;
    color: #fff;
}

.btn-primary:hover {
    background: #3b82f6;
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: #60a5fa;
    border: 2px solid #60a5fa;
}

.btn-secondary:hover {
    background: #60a5fa;
    color: #fff;
}

/* Footer */
.footer {
    background: #020617;
    color: #fff;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.footer-section h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-section p {
    color: #94a3b8;
    line-height: 1.6;
}

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

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

.footer-section ul li a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #60a5fa;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    color: #94a3b8;
    font-size: 1.2rem;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: #60a5fa;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #1e293b;
    color: #64748b;
}

/* Companies Section */
.companies {
    padding: 60px 0;
    background: #1e293b;
    border-top: 1px solid #334155;
}

.companies h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #f8fafc;
    margin-bottom: 1rem;
}

.companies-intro {
    text-align: center;
    font-size: 1.1rem;
    color: #cbd5e1;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.companies-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
}

.company-logo {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1.5rem;
    background: #334155;
    border-radius: 12px;
    border: 1px solid #475569;
    transition: all 0.3s ease;
    height: 120px;
}

.company-logo:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    border-color: #60a5fa;
}

.company-logo img {
    max-width: 100%;
    max-height: 80px;
    width: auto;
    height: auto;
    object-fit: contain;
    opacity: 1;
    transition: all 0.3s ease;
}

.company-logo:hover img {
    opacity: 1;
    filter: brightness(0) invert(1) sepia(1) saturate(2) hue-rotate(200deg);
}

/* Consultation CTA Section */
.consultation-cta {
    padding: 4rem 0;
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #f8fafc;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    color: #cbd5e1;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

/* AI News Section */
.ai-news {
    padding: 3rem 0;
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
}

.news-intro {
    text-align: center;
    font-size: 1.2rem;
    color: #94a3b8;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.news-card {
    background: rgba(30, 58, 138, 0.1);
    border: 1px solid #1e293b;
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(30, 58, 138, 0.2);
    border-color: #3b82f6;
}

.news-card.featured {
    grid-column: span 2;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(30, 58, 138, 0.1) 100%);
    border-color: #3b82f6;
}

.news-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.news-category {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.news-date {
    color: #94a3b8;
    font-size: 0.9rem;
}

.news-card h3 {
    color: #f1f5f9;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.news-card p {
    color: #cbd5e1;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.news-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    background: rgba(59, 130, 246, 0.2);
    color: #93c5fd;
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
}

.news-cta {
    text-align: center;
    padding: 2rem;
    background: rgba(30, 58, 138, 0.1);
    border-radius: 12px;
    border: 1px solid #1e293b;
}

.news-cta p {
    color: #94a3b8;
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: #1e293b;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.1);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .expertise-grid {
        grid-template-columns: 1fr;
    }
    
    .stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .news-card.featured {
        grid-column: span 1;
    }
    
    .companies-grid {
        gap: 1rem;
        flex-wrap: wrap;
    }
    
    .company-logo {
        height: 100px;
        padding: 1rem;
    }
    
    .company-logo img {
        max-height: 60px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .stats {
        grid-template-columns: 1fr;
    }
    
    .publications-grid {
        grid-template-columns: 1fr;
    }
}