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

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 50%, #f8fafc 100%);
    color: #0f172a;
    min-height: 100vh;
    overflow-x: hidden;
}


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

/* Header Styles */
.header {
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding: 28px 20px;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
}

.header .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 0;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    text-align: center;
}

.robot-icon {
    font-size: 2.5rem;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.logo h1 {
    font-size: 2rem;
    font-weight: 700;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.subtitle {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

/* Navigation */
.nav {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 10px;
}

.nav-tab {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 12px 24px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.9rem;
    backdrop-filter: blur(10px);
}

.nav-tab:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
}

.nav-tab.active {
    background: rgba(255, 255, 255, 0.9);
    border-color: white;
    color: #3b82f6;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Main Content */
.main-content {
    padding: 10px 0;
    min-height: calc(100vh - 200px);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Hero Section */
.hero-section {
    text-align: center;
    padding: 80px 0;
    margin-bottom: 80px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
    border-radius: 24px;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%233b82f6" stroke-width="0.5" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-badge {
    display: inline-block;
    margin-bottom: 24px;
}

.badge-text {
    background: linear-gradient(45deg, #3b82f6, #8b5cf6);
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    color: #0f172a;
    letter-spacing: -0.02em;
}

.cool-title {
    background: linear-gradient(45deg, #3b82f6, #8b5cf6, #ec4899, #f59e0b);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease-in-out infinite;
    text-shadow: 0 0 30px rgba(59, 130, 246, 0.3);
    position: relative;
}

.cool-title::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, #3b82f6, #8b5cf6, #ec4899, #f59e0b);
    background-size: 300% 300%;
    animation: gradientShift 3s ease-in-out infinite;
    filter: blur(8px);
    opacity: 0.3;
    z-index: -1;
}

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 500;
    color: #334155;
    margin-bottom: 16px;
    line-height: 1.4;
}

.hero-date {
    color: #475569;
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 40px;
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Content Sections */
.content-section {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

.content-section p {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 24px;
    color: #334155;
    font-weight: 400;
}

.content-section p:first-child {
    font-size: 1.3rem;
    font-weight: 500;
    color: #1e293b;
}

.authors {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    margin-top: 60px;
    padding: 40px;
    background: rgba(59, 130, 246, 0.02);
    border-radius: 20px;
    border: 1px solid rgba(59, 130, 246, 0.1);
}

.author {
    text-align: center;
    padding: 24px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(59, 130, 246, 0.1);
}

.author strong {
    color: #3b82f6;
    font-size: 1.2rem;
    font-weight: 600;
    display: block;
    margin-bottom: 8px;
}

.author span {
    color: #64748b;
    font-size: 0.95rem;
    font-weight: 500;
}

.author-social {
    margin-top: 16px;
    display: flex;
    gap: 12px;
    justify-content: center;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1.2rem;
}

.social-link.twitter {
    background: linear-gradient(45deg, #1da1f2, #0d8bd9);
    color: white;
    box-shadow: 0 2px 8px rgba(29, 161, 242, 0.3);
}

.social-link.twitter:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(29, 161, 242, 0.4);
}

.social-link.linkedin {
    background: linear-gradient(45deg, #0077b5, #005885);
    color: white;
    box-shadow: 0 2px 8px rgba(0, 119, 181, 0.3);
}

.social-link.linkedin:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 119, 181, 0.4);
}

/* Page Headers */
.page-header {
    text-align: center;
    margin-bottom: 20px;
    padding: 10px 0 10px !important;
    margin-top: 0 !important;
}

.page-header h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 10px;
    margin-top: 15px;
    color: #0f172a;
    letter-spacing: -0.02em;
}

.disclaimer {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    padding: 15px 20px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #22c55e;
    font-size: 0.9rem;
}

/* Concept Boxes */
.concept-box, .summary-box {
    background: white;
    border: 1px solid rgba(59, 130, 246, 0.15);
    padding: 40px;
    border-radius: 20px;
    margin-bottom: 40px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    border-left: 4px solid #3b82f6;
}

.concept-box h3, .summary-box h3 {
    color: #3b82f6;
    font-size: 1.5rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.concept-box p, .summary-box p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #475569;
}

.summary-box {
    background: white;
    border-color: rgba(139, 92, 246, 0.15);
    border-left-color: #8b5cf6;
}

.summary-box h3 {
    color: #8b5cf6;
}

/* Workflow */
.workflow {
    margin: 40px 0;
}

.workflow-step {
    display: flex;
    align-items: flex-start;
    gap: 32px;
    margin-bottom: 48px;
    padding: 40px;
    background: white;
    border-radius: 20px;
    border-left: 4px solid #3b82f6;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(45deg, #3b82f6, #8b5cf6);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.4rem;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.step-content h4 {
    color: #3b82f6;
    font-size: 1.4rem;
    margin-bottom: 16px;
    font-weight: 700;
}

.step-content p {
    color: #475569;
    line-height: 1.7;
    font-size: 1.1rem;
}

/* Next Steps */
.next-steps {
    background: white;
    border: 1px solid rgba(139, 92, 246, 0.15);
    padding: 40px;
    border-radius: 20px;
    margin-top: 60px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    border-left: 4px solid #8b5cf6;
}

.next-steps h3 {
    color: #8b5cf6;
    font-size: 1.5rem;
    margin-bottom: 24px;
    font-weight: 700;
}

.next-steps ul {
    list-style: none;
    padding-left: 0;
}

.next-steps li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    color: #475569;
    line-height: 1.6;
}

.next-steps li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: #8b5cf6;
    font-weight: bold;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.stat-card {
    background: white;
    border: 1px solid rgba(59, 130, 246, 0.15);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    border-top: 4px solid #3b82f6;
}

.stat-icon {
    font-size: 3rem;
    color: #3b82f6;
    margin-bottom: 20px;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: #1e293b;
    margin-bottom: 12px;
    line-height: 1;
}

.stat-label {
    color: #64748b;
    font-size: 1rem;
    line-height: 1.5;
    font-weight: 500;
}

/* Community Sections */
.community-section {
    background: white;
    border: 1px solid rgba(59, 130, 246, 0.15);
    padding: 40px;
    border-radius: 20px;
    margin-bottom: 40px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    border-left: 4px solid #3b82f6;
}

.community-section h3 {
    color: #3b82f6;
    font-size: 1.5rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.community-section ul {
    list-style: none;
    padding-left: 0;
    margin: 20px 0;
}

.community-section li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    color: #475569;
    line-height: 1.6;
}

.community-section li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #3b82f6;
    font-weight: bold;
    font-size: 1.2rem;
}

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
}

.btn-primary {
    background: linear-gradient(45deg, #3b82f6, #8b5cf6);
    color: white;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.2);
}

.btn-primary:hover {
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-secondary {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.btn-secondary:hover {
    background: rgba(59, 130, 246, 0.2);
}

.btn-secondary.inactive {
    background: rgba(156, 163, 175, 0.1);
    color: #9ca3af;
    border-color: rgba(156, 163, 175, 0.3);
    cursor: not-allowed;
    opacity: 0.6;
}

.btn-secondary.inactive:hover {
    background: rgba(156, 163, 175, 0.1);
    color: #9ca3af;
    transform: none;
}

.cta-button {
    margin: 20px 0;
}

.call-links {
    display: flex;
    gap: 15px;
    margin-top: 15px;
    flex-wrap: wrap;
}

/* Timeline */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding-left: 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 100px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, #3b82f6, #8b5cf6);
    border-radius: 2px;
}

.timeline-item {
    display: flex;
    margin-bottom: 50px;
    position: relative;
    align-items: flex-start;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 88px;
    top: 8px;
    width: 24px;
    height: 24px;
    background: white;
    border: 4px solid #3b82f6;
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
    z-index: 2;
}

.timeline-item.highlight::before {
    background: #fbbf24;
    border-color: #f59e0b;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.4);
}

.timeline-date {
    width: 80px;
    font-weight: 700;
    color: #3b82f6;
    font-size: 0.85rem;
    text-align: right;
    padding-right: 20px;
    padding-top: 4px;
    line-height: 1.3;
    position: relative;
    z-index: 1;
}

.timeline-content {
    flex: 1;
    background: white;
    padding: 24px 28px;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    border-left: 4px solid #3b82f6;
    margin-left: 20px;
    position: relative;
}

.timeline-content::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 20px;
    width: 0;
    height: 0;
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
    border-right: 8px solid #3b82f6;
}

.timeline-item.highlight .timeline-content {
    border-left-color: #fbbf24;
}

.timeline-item.highlight .timeline-content::before {
    border-right-color: #fbbf24;
}

.timeline-content h4 {
    color: #0f172a;
    font-size: 1.2rem;
    margin-bottom: 12px;
    font-weight: 700;
    line-height: 1.3;
}

.timeline-item.highlight .timeline-content h4 {
    color: #f59e0b;
}

.timeline-content p {
    color: #64748b;
    line-height: 1.6;
    margin: 0;
    font-size: 0.95rem;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding: 30px 20px;
    margin-top: 60px;
    box-shadow: 0 -4px 20px rgba(59, 130, 246, 0.3);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    padding: 0;
}

.footer-links {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-weight: 500;
}

.footer-links a:hover {
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.footer-text {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    font-weight: 500;
}

/* FAQ Page Styles */
.faq-intro {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 40px;
    border-left: 4px solid #3b82f6;
}

.faq-section {
    margin-bottom: 50px;
}

.faq-section h3 {
    color: #1e293b;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 25px;
    padding-bottom: 10px;
    border-bottom: 2px solid #e2e8f0;
}

.faq-item {
    background: white;
    border-radius: 8px;
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.faq-item h4 {
    color: #1e293b;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 15px;
    line-height: 1.4;
}

.faq-item p {
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 0;
}

.faq-item a {
    color: #3b82f6;
    text-decoration: none;
    font-weight: 500;
}

.faq-item a:hover {
    text-decoration: underline;
}

.faq-cta {
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    color: white;
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    margin-top: 50px;
}

.faq-cta h2 {
    color: white;
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.faq-cta p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    margin-bottom: 30px;
}

.faq-cta .cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.faq-cta .btn-primary,
.faq-cta .btn-secondary {
    background: white;
    color: #3b82f6;
    border: 2px solid white;
}

.faq-cta .btn-primary:hover,
.faq-cta .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-color: white;
}

.faq-link {
    margin-top: 20px;
    text-align: center;
}

.faq-link-top {
    margin-top: 20px;
    text-align: center;
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: transparent;
    color: #3b82f6;
    border: 2px solid #3b82f6;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    background: #3b82f6;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .nav {
        justify-content: center;
    }
    
    .nav-tab {
        padding: 10px 20px;
        font-size: 0.8rem;
    }
    
    .workflow-step {
        flex-direction: column;
        text-align: center;
        gap: 24px;
    }
    
    .timeline-item {
        flex-direction: column;
        gap: 15px;
        margin-bottom: 40px;
    }
    
    .timeline-date {
        text-align: left;
        width: auto;
        font-weight: 700;
        font-size: 0.8rem;
        line-height: 1.2;
        margin-bottom: 5px;
        padding-right: 0;
        padding-top: 0;
    }
    
    .timeline::before {
        left: 15px;
    }
    
    .timeline-item::before {
        left: 9px;
        top: 5px;
        width: 12px;
        height: 12px;
    }
    
    .timeline-content {
        margin-left: 0;
    }
    
    .timeline-content::before {
        display: none;
    }
    
    .authors {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .page-header h2 {
        font-size: 2.2rem;
    }
    
    .hero-section {
        padding: 60px 0;
        margin-bottom: 60px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .page-header h2 {
        font-size: 1.8rem;
    }
    
    .nav-tab {
        padding: 8px 16px;
        font-size: 0.75rem;
    }
    
    .stat-card {
        padding: 24px;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .hero-section {
        padding: 40px 0;
        margin-bottom: 40px;
    }
    
    .concept-box, .summary-box, .community-section {
        padding: 24px;
    }
    
    .workflow-step {
        padding: 24px;
    }
}