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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin: 2rem 0;
}

.stat {
    text-align: center;
}

.stat h3 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #ffd700;
}

.stat p {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* GitHub Integration Styles */
.hero-buttons {
    margin: 2rem 0;
}

.github-info {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 1.5rem;
    margin: 2rem auto;
    max-width: 600px;
}

.repo-stats {
    text-align: center;
}

.repo-link {
    color: #ffd700;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 0.5rem;
    transition: all 0.3s ease;
}

.repo-link:hover {
    color: #ffffff;
    transform: scale(1.05);
}

.repo-link i {
    margin-right: 0.5rem;
    font-size: 1.3rem;
}

.author-info {
    margin-top: 1rem;
    font-size: 0.95rem;
}

.author-link {
    color: #e2e8f0;
    text-decoration: none;
    margin-left: 1rem;
    transition: color 0.3s ease;
}

.author-link:hover {
    color: #ffd700;
}

.author-link i {
    margin-right: 0.25rem;
}

/* GitHub Clone Section */
.github-clone-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 15px;
    padding: 2rem;
    color: white;
    border: none !important;
}

.github-clone-section .alert-info {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
}

.github-clone-section h5 {
    color: #ffd700;
    margin-bottom: 1rem;
}

.github-clone-section .code-block {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.github-clone-section .text-primary {
    color: #ffd700 !important;
}

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

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    margin: 1rem auto;
}

/* Business Problem & Solution */
.business-problem, .business-solution {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    height: 100%;
}

.business-problem {
    border-left: 5px solid #e74c3c;
}

.business-solution {
    border-left: 5px solid #27ae60;
}

.problem-list, .solution-list {
    list-style: none;
    padding: 0;
}

.problem-list li, .solution-list li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.problem-list li::before {
    content: '⚠️';
    position: absolute;
    left: 0;
}

.solution-list li::before {
    content: '✅';
    position: absolute;
    left: 0;
}

/* Architecture Diagram */
.architecture-diagram {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 15px;
    margin: 2rem 0;
}

.service-layer {
    margin: 2rem 0;
    text-align: center;
}

.service-layer h4 {
    margin-bottom: 1rem;
    color: #2c3e50;
    font-weight: 600;
}

.service-box {
    display: inline-block;
    background: white;
    padding: 1.5rem;
    margin: 0.5rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 150px;
    position: relative;
}

.service-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.service-box i {
    font-size: 2rem;
    display: block;
    margin-bottom: 0.5rem;
}

.service-box span {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.service-box small {
    color: #666;
    font-size: 0.85rem;
}

/* Service Box Colors */
.client-box { border-top: 4px solid #3498db; }
.client-box i { color: #3498db; }

.gateway-box { border-top: 4px solid #27ae60; }
.gateway-box i { color: #27ae60; }

.config-box { border-top: 4px solid #f39c12; }
.config-box i { color: #f39c12; }

.discovery-box { border-top: 4px solid #17a2b8; }
.discovery-box i { color: #17a2b8; }

.business-box { border-top: 4px solid #6f42c1; }
.business-box i { color: #6f42c1; }

.infra-box { border-top: 4px solid #dc3545; }
.infra-box i { color: #dc3545; }

.infrastructure-grid {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.infra-box {
    background: white;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    min-width: 120px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

/* Service Detail Tabs */
.nav-pills .nav-link {
    color: #6c757d;
    background: transparent;
    border: 2px solid #dee2e6;
    margin: 0 0.25rem;
    border-radius: 25px;
    padding: 0.75rem 1.5rem;
    transition: all 0.3s ease;
}

.nav-pills .nav-link:hover {
    background: #f8f9fa;
    color: #495057;
}

.nav-pills .nav-link.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: transparent;
}

/* Service Detail Cards */
.service-detail {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    margin-top: 2rem;
}

.service-info {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 10px;
    border-left: 5px solid #667eea;
}

.service-info h4 {
    margin-bottom: 1rem;
}

.service-info p {
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.service-description h5 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-weight: 600;
}

.service-description h6 {
    color: #495057;
    margin: 1.5rem 0 0.5rem 0;
    font-weight: 600;
}

/* API Endpoints */
.api-endpoints {
    background: #f8f9fa;
    padding: 1rem;
    border-radius: 8px;
    margin: 1rem 0;
}

.endpoint {
    display: flex;
    align-items: center;
    margin: 0.5rem 0;
    padding: 0.5rem;
    background: white;
    border-radius: 5px;
}

.method {
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    color: white;
    font-weight: 600;
    font-size: 0.85rem;
    margin-right: 1rem;
    min-width: 60px;
    text-align: center;
}

.method.get { background: #28a745; }
.method.post { background: #007bff; }
.method.put { background: #ffc107; color: #333; }
.method.delete { background: #dc3545; }

.code-example {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 1.5rem;
    border-left: 4px solid #007bff;
}

.code-example h6 {
    color: #495057;
    margin-bottom: 1rem;
    font-weight: 600;
}

.code-block {
    background: #2d3748;
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1rem 0;
}

.code-block code {
    color: #e2e8f0;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    line-height: 1.8;
    font-size: 0.9rem;
}

/* Design Patterns */
.pattern-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.pattern-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
    border-top: 5px solid #667eea;
}

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

.pattern-icon {
    text-align: center;
    margin-bottom: 1rem;
}

.pattern-icon i {
    font-size: 3rem;
    color: #667eea;
}

.pattern-card h4 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.pattern-benefits h6 {
    color: #495057;
    margin: 1rem 0 0.5rem 0;
}

.pattern-benefits ul {
    list-style-type: none;
    padding: 0;
}

.pattern-benefits li {
    padding: 0.25rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.pattern-benefits li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
}

/* Hands-On Section */
.setup-steps {
    margin: 2rem 0;
}

.step {
    display: flex;
    align-items: flex-start;
    margin: 2rem 0;
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
}

.step-number {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin-right: 1.5rem;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-content h5 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

.code-block {
    background: #2d3748;
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1rem 0;
}

.service-startup {
    margin: 1rem 0;
}

.startup-order {
    display: flex;
    align-items: center;
    margin: 0.5rem 0;
    padding: 0.5rem;
    background: #f8f9fa;
    border-radius: 5px;
}

.order-number {
    background: #667eea;
    color: white;
    width: 25px;
    height: 25px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: bold;
    margin-right: 1rem;
}

/* Testing Scenarios */
.scenario-content {
    padding: 1.5rem;
}

.curl-example {
    margin: 1rem 0;
}

.curl-example pre {
    background: #2d3748;
    color: #e2e8f0;
    padding: 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    overflow-x: auto;
}

.expected-result {
    background: #e8f5e8;
    padding: 1rem;
    border-radius: 8px;
    border-left: 5px solid #28a745;
    margin: 1rem 0;
}

.trace-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    margin: 1rem 0;
}

.trace-step {
    background: #667eea;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    margin: 0.25rem;
    font-size: 0.9rem;
}

.trace-arrow {
    color: #667eea;
    font-size: 1.5rem;
    margin: 0 0.5rem;
}

/* Monitoring Dashboards */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.dashboard-card {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
    border-top: 4px solid #667eea;
}

.dashboard-card h5 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

.dashboard-card p {
    color: #666;
    margin-bottom: 1.5rem;
}

/* Footer */
.footer {
    background: #2c3e50 !important;
}

.tech-stack {
    margin-top: 0.5rem;
}

.tech-stack .badge {
    margin: 0.25rem;
    padding: 0.5rem 0.75rem;
    font-size: 0.85rem;
}

/* Kubernetes Deployment Section Styles */
.deployment-feature {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    height: 100%;
    border-left: 4px solid #007bff;
}

.deployment-feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #007bff, #0056b3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-icon i {
    font-size: 1.5rem;
    color: white;
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #28a745;
    font-weight: bold;
}

/* Helm Section Styles */
.helm-section {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 2rem;
}

.helm-features h6 {
    color: #495057;
    margin-bottom: 1rem;
    font-weight: 600;
}

.helm-features ul {
    list-style-type: none;
    padding: 0;
}

.helm-features li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: #6c757d;
}

.helm-features li::before {
    content: '⚡';
    position: absolute;
    left: 0;
    color: #007bff;
}

/* Blue-Green Deployment Flow */
.deployment-flow {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.deployment-step {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border-top: 4px solid transparent;
}

.deployment-step:nth-child(1) { border-top-color: #007bff; }
.deployment-step:nth-child(2) { border-top-color: #28a745; }
.deployment-step:nth-child(3) { border-top-color: #ffc107; }
.deployment-step:nth-child(4) { border-top-color: #dc3545; }

.deployment-step:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem auto;
    color: white;
    font-weight: bold;
    font-size: 1.2rem;
}

.code-snippet {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 0.75rem;
    margin-top: 1rem;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

.code-snippet code {
    color: #e83e8c;
    font-size: 0.9rem;
}

/* Kubernetes Features Grid */
.k8s-features {
    margin: 2rem 0;
}

.feature-card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    height: 100%;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border-bottom: 4px solid #007bff;
}

.feature-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.feature-card h5 {
    color: #495057;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.feature-card h5 i {
    color: #007bff;
}

.feature-card ul {
    list-style: none;
    padding: 0;
}

.feature-card li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: #6c757d;
}

.feature-card li::before {
    content: '▶';
    position: absolute;
    left: 0;
    color: #007bff;
    font-size: 0.8rem;
}

/* Quick Start Kubernetes Section */
.quick-start-k8s {
    background: linear-gradient(135deg, #28a745, #20c997);
    border-radius: 15px;
    padding: 2rem;
    color: white;
    margin: 2rem 0;
}

.quick-start-k8s h3 {
    color: white;
    margin-bottom: 1.5rem;
}

.quick-start-k8s .alert-info {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
}

.quick-start-k8s .code-block {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
    padding: 1.5rem;
    margin-top: 1rem;
}

.quick-start-k8s .code-block code {
    color: #fff;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    line-height: 1.8;
}

/* Enhanced Pattern Cards for Circuit Breakers and Saga */
.pattern-card .implementation-details {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid #dee2e6;
}

.pattern-card .implementation-details h6 {
    color: #495057;
    margin-bottom: 0.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pattern-card .implementation-details h6::before {
    content: '⚙️';
    font-size: 1rem;
}

.pattern-card .implementation-details ul {
    list-style: none;
    padding: 0;
}

.pattern-card .implementation-details li {
    padding: 0.25rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: #6c757d;
    font-size: 0.9rem;
}

.pattern-card .implementation-details li::before {
    content: '🔧';
    position: absolute;
    left: 0;
    font-size: 0.8rem;
}

.pattern-card .implementation-details ol {
    padding-left: 1rem;
}

.pattern-card .implementation-details ol li {
    padding-left: 0.5rem;
    list-style: decimal;
}

.pattern-card .implementation-details ol li::before {
    content: '';
}

/* Circuit Breaker Specific Styling */
.pattern-card:has(.fa-plug-circle-xmark) {
    border-left: 4px solid #dc3545;
}

.pattern-card:has(.fa-plug-circle-xmark) .pattern-icon {
    background: linear-gradient(135deg, #dc3545, #c82333);
}

/* Saga Pattern Specific Styling */
.pattern-card:has(.fa-project-diagram) {
    border-left: 4px solid #6f42c1;
}

.pattern-card:has(.fa-project-diagram) .pattern-icon {
    background: linear-gradient(135deg, #6f42c1, #5a32a3);
}

/* Responsive Design for Deployment Section */
@media (max-width: 768px) {
    .deployment-flow {
        grid-template-columns: 1fr;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .hero-stats .stat {
        margin-bottom: 1rem;
    }
    
    .feature-card {
        margin-bottom: 1rem;
    }
}

/* Animation for Circuit Breaker Icons */
.pattern-card .fa-plug-circle-xmark {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* Animation for Saga Flow Icons */
.pattern-card .fa-project-diagram {
    animation: rotate 3s linear infinite;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Enhanced Code Blocks */
.code-example {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 1.5rem;
    border-left: 4px solid #007bff;
}

.code-example h6 {
    color: #495057;
    margin-bottom: 1rem;
    font-weight: 600;
}

.code-block {
    background: #2d3748;
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1rem 0;
}

.code-block code {
    color: #e2e8f0;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    line-height: 1.8;
    font-size: 0.9rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.service-box, .pattern-card, .step, .dashboard-card {
    animation: fadeInUp 0.6s ease forwards;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #667eea;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #5a67d8;
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* GitHub Repository Section */
.bg-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
}

.github-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease;
}

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

.github-card-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.github-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: #ffd700;
}

.github-card-header h4 {
    color: white;
    margin: 0;
}

.github-card-body {
    text-align: center;
    margin-bottom: 1.5rem;
}

.github-card-body h5 {
    color: white;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.github-card-body p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1rem;
}

.github-stats {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.github-card-footer .btn-light {
    background: rgba(255, 255, 255, 0.9);
    border: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.github-card-footer .btn-light:hover {
    background: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.repo-features {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem 0;
}

.repo-features ul li {
    padding: 0.5rem 0;
    font-size: 1rem;
}

.quick-actions {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 2rem;
}

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

.action-buttons .btn {
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.action-buttons .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.action-buttons .btn-warning {
    background: #ffd700;
    border-color: #ffd700;
    color: #333;
}

.action-buttons .btn-warning:hover {
    background: #ffed4e;
    border-color: #ffed4e;
}