/* Modern CSS for ExpertosIAIndustrial.com */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background-color: #ffffff;
    font-size: 16px;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.8rem; }
h4 { font-size: 1.4rem; }

.highlight {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 55px;
}

.nav-logo img {
    height: 35px;
    width: auto;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-link {
    text-decoration: none;
    color: #4a5568;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #667eea;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.nav-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 10px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.nav-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

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

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: #4a5568;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 90px 0 80px;
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: #1a202c;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #4a5568;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.hero-description {
    font-size: 1.1rem;
    color: #718096;
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 16px 32px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: transparent;
    color: #667eea;
    padding: 16px 32px;
    border: 2px solid #667eea;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-secondary:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: #4a5568;
    padding: 12px 24px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-outline:hover {
    border-color: #667eea;
    color: #667eea;
}

.btn-large {
    padding: 20px 40px;
    font-size: 1.2rem;
}

.hero-stats {
    display: flex;
    gap: 2rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: #667eea;
}

.stat-label {
    font-size: 0.9rem;
    color: #718096;
    font-weight: 500;
}

.hero-visual {
    position: relative;
}

.hero-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.hero-img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.floating-card {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    max-width: 200px;
}

.floating-card h4 {
    color: #1a202c;
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.floating-card p {
    color: #718096;
    font-size: 0.9rem;
    margin: 0;
}

/* Sections */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 1rem;
    color: #1a202c;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #4a5568;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Problem Section */
.problem {
    background: #f7fafc;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.problem-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease;
}

.problem-card:hover {
    transform: translateY(-5px);
}

.problem-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.problem-card h3 {
    color: #1a202c;
    margin-bottom: 1rem;
}

.problem-card p {
    color: #4a5568;
    line-height: 1.6;
}

/* Solution Section */
.solution-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
    border-color: #667eea;
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    color: #1a202c;
    margin-bottom: 1rem;
}

.feature-card p {
    color: #4a5568;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.feature-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.feature-link:hover {
    color: #764ba2;
}

/* Services Section */
.services {
    background: #f7fafc;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
    position: relative;
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-card.featured {
    border: 2px solid #667eea;
}

.service-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.service-header {
    padding: 2rem 2rem 1rem;
    text-align: center;
}

.service-header h3 {
    color: #1a202c;
    margin-bottom: 0.5rem;
}

.service-header p {
    color: #718096;
    font-size: 0.9rem;
}

.service-content {
    padding: 0 2rem 2rem;
}

.service-features {
    list-style: none;
    margin-bottom: 2rem;
}

.service-features li {
    padding: 0.5rem 0;
    color: #4a5568;
}

.service-cta {
    text-align: center;
}

/* Trust Section */
.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.trust-item {
    text-align: center;
    padding: 2rem 1rem;
}

.trust-number {
    font-size: 3rem;
    font-weight: 800;
    color: #667eea;
    margin-bottom: 0.5rem;
}

.trust-text {
    color: #4a5568;
    font-weight: 500;
}

.testimonials {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.testimonial {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border-left: 4px solid #667eea;
}

.testimonial p {
    font-style: italic;
    color: #4a5568;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.testimonial cite {
    color: #718096;
    font-weight: 600;
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.cta h2 {
    color: white;
    margin-bottom: 1rem;
}

.cta p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.cta-buttons .btn-primary {
    background: white;
    color: #667eea;
}

.cta-buttons .btn-primary:hover {
    background: #f7fafc;
}

.cta-buttons .btn-secondary {
    border-color: white;
    color: white;
}

.cta-buttons .btn-secondary:hover {
    background: white;
    color: #667eea;
}

.cta-guarantee {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Footer */
.footer {
    background: #1a202c;
    color: white;
    padding: 60px 0 20px;
}

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

.footer-section h4 {
    color: white;
    margin-bottom: 1rem;
}

.footer-section p {
    color: #a0aec0;
    line-height: 1.6;
}

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

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

.footer-section ul li a {
    color: #a0aec0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #667eea;
}

.footer-social {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-link {
    color: #a0aec0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.social-link:hover {
    color: #667eea;
}

.footer-cta {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    margin-top: 1rem;
    transition: transform 0.3s ease;
}

.footer-cta:hover {
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid #2d3748;
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

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

.footer-legal a {
    color: #a0aec0;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-legal a:hover {
    color: #667eea;
}

.footer-copyright {
    color: #718096;
    font-size: 0.9rem;
}

.footer-copyright a {
    color: #667eea;
    text-decoration: none;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .problem-grid,
    .solution-features,
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-legal {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .feature-card,
    .problem-card,
    .service-card {
        padding: 1.5rem;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Focus States for Accessibility */
.btn-primary:focus,
.btn-secondary:focus,
.nav-link:focus {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

/* Additional Styles for New Pages */

/* Process Timeline */
.process-timeline {
    position: relative;
    margin-top: 3rem;
}

.timeline-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 3rem;
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 60px;
    bottom: -30px;
    width: 2px;
    background: #e2e8f0;
}

.timeline-item:last-child::before {
    display: none;
}

.timeline-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-right: 2rem;
    position: relative;
    z-index: 2;
    flex-shrink: 0;
}

.timeline-content {
    flex: 1;
    padding-top: 10px;
}

.timeline-content h3 {
    color: #1a202c;
    margin-bottom: 1rem;
}

.timeline-content p {
    color: #4a5568;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.timeline-features {
    list-style: none;
    padding: 0;
}

.timeline-features li {
    color: #718096;
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.timeline-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
}

/* Technology Cards */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.tech-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.tech-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
    border-color: #667eea;
}

.tech-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.tech-card h3 {
    color: #1a202c;
    margin-bottom: 1rem;
}

.tech-card p {
    color: #4a5568;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.tech-details {
    background: #f7fafc;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.tech-details h4 {
    color: #1a202c;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.tech-details ul {
    list-style: none;
    padding: 0;
}

.tech-details li {
    color: #4a5568;
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
    font-size: 0.9rem;
}

.tech-details li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
}

.tech-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.tech-link:hover {
    color: #764ba2;
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.metric-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease;
}

.metric-card:hover {
    transform: translateY(-5px);
}

.metric-number {
    font-size: 3rem;
    font-weight: 800;
    color: #667eea;
    margin-bottom: 0.5rem;
}

.metric-label {
    color: #1a202c;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.metric-description {
    color: #718096;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Comparison Table */
.comparison-table {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    margin-top: 3rem;
}

.comparison-header {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    background: #f7fafc;
    padding: 1.5rem;
    font-weight: 600;
    color: #1a202c;
    border-bottom: 1px solid #e2e8f0;
}

.comparison-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    padding: 1.5rem;
    border-bottom: 1px solid #e2e8f0;
    transition: background-color 0.3s ease;
}

.comparison-row:hover {
    background: #f7fafc;
}

.comparison-row:last-child {
    border-bottom: none;
}

.comparison-feature {
    color: #1a202c;
    font-weight: 500;
}

.comparison-traditional {
    color: #e53e3e;
    text-align: center;
}

.comparison-our {
    color: #38a169;
    text-align: center;
    font-weight: 600;
}

/* Industries Grid */
.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.industry-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease;
    border: 1px solid #e2e8f0;
}

.industry-card:hover {
    transform: translateY(-5px);
    border-color: #667eea;
}

.industry-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.industry-card h3 {
    color: #1a202c;
    margin-bottom: 1rem;
}

.industry-card p {
    color: #4a5568;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.industry-results {
    display: flex;
    justify-content: space-around;
    padding-top: 1rem;
    border-top: 1px solid #e2e8f0;
}

.industry-results span {
    font-size: 0.9rem;
    font-weight: 600;
    color: #667eea;
}

/* Process Steps */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.process-step {
    text-align: center;
    padding: 2rem;
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
}

.step-content h3 {
    color: #1a202c;
    margin-bottom: 1rem;
}

.step-content p {
    color: #4a5568;
    line-height: 1.6;
}

/* Print Styles */
@media print {
    .navbar,
    .footer {
        display: none;
    }
    
    .hero {
        padding: 20px 0;
    }
    
    section {
        padding: 20px 0;
    }
}

/* Mobile Responsive Adjustments */
@media (max-width: 768px) {
    .timeline-item {
        flex-direction: column;
        text-align: center;
    }
    
    .timeline-item::before {
        display: none;
    }
    
    .timeline-number {
        margin: 0 auto 1rem;
    }
    
    .comparison-header,
    .comparison-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .comparison-traditional,
    .comparison-our {
        text-align: left;
    }
    
    .tech-grid,
    .metrics-grid,
    .industries-grid,
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .industry-results {
        flex-direction: column;
        gap: 0.5rem;
    }
}