/* Modern ML Showcase Styles */

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

/* Back Button */
.back-to-main {
    position: absolute;
    top: 20px;
    left: 20px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid #e5e5e7;
    border-radius: 20px;
    padding: 8px 16px;
    color: #1d1d1f;
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.back-to-main:hover {
    background: rgba(255, 255, 255, 1);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    transform: translateY(-1px);
}

.back-to-main:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #1d1d1f;
    background-color: #fbfbfd;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero Header */
.hero-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 0 60px;
    text-align: center;
    border-radius: 0 0 30px 30px;
    margin-bottom: 40px;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.hero-content h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
    font-size: 20px;
    opacity: 0.9;
    margin-bottom: 40px;
    font-weight: 400;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 16px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-number {
    display: block;
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Navigation */
.main-nav {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
    background: white;
    padding: 20px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.nav-btn {
    background: #f5f5f7;
    border: none;
    padding: 12px 24px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 500;
    color: #86868b;
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-btn:hover {
    background: #e5e5e7;
    color: #1d1d1f;
}

.nav-btn.active {
    background: #007aff;
    color: white;
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3);
}

/* Content Sections */
.content-section {
    display: none;
    animation: fadeIn 0.5s ease-in;
}

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

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #1d1d1f;
}

.section-header p {
    font-size: 18px;
    color: #86868b;
    max-width: 600px;
    margin: 0 auto;
}

/* AI Workflow Section */
.workflow-container {
    margin-bottom: 50px;
}

/* Decision Tree */
.decision-tree {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    margin-bottom: 30px;
}

.decision-flow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.decision-node {
    background: #f8f9fa;
    border: 2px solid #e5e5e7;
    border-radius: 16px;
    padding: 24px;
    width: 100%;
    max-width: 600px;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
}

.decision-node:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-color: #007aff;
}

.decision-node.active {
    border-color: #007aff;
    background: #e3f2fd;
    box-shadow: 0 4px 20px rgba(0, 122, 255, 0.2);
}

.decision-node.start {
    border-color: #4caf50;
    background: #e8f5e8;
}

.decision-node.final {
    border-color: #ff9800;
    background: #fff3e0;
}

.node-content {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.node-icon {
    font-size: 32px;
}

.node-label {
    font-size: 20px;
    font-weight: 600;
    color: #1d1d1f;
}

.node-details {
    background: white;
    padding: 20px;
    border-radius: 12px;
    border: 1px solid #e5e5e7;
}

.node-arrow {
    font-size: 24px;
    color: #007aff;
    font-weight: bold;
    margin: 10px 0;
}

/* Node Details Styling */
.example-entity .entity-text {
    display: block;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 16px;
    color: #1d1d1f;
    margin-bottom: 16px;
    padding: 12px;
    background: #f5f5f7;
    border-radius: 8px;
}

.entity-breakdown {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.breakdown-item {
    background: #e3f2fd;
    color: #1565c0;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
}

.language-analysis {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.lang-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background: #f5f5f7;
    border-radius: 8px;
}

.lang-name {
    font-weight: 600;
    color: #1d1d1f;
}

.lang-confidence {
    background: #4caf50;
    color: white;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.lang-evidence {
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 14px;
    color: #666;
}

.pattern-matches {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.pattern-match {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background: #f5f5f7;
    border-radius: 8px;
}

.pattern-type {
    font-weight: 600;
    color: #1d1d1f;
}

.pattern-value {
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 14px;
    color: #666;
}

.pattern-score {
    background: #4caf50;
    color: white;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

/* Scoring System */
.scoring-system {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.score-category {
    display: flex;
    align-items: center;
    gap: 16px;
}

.category-name {
    min-width: 100px;
    font-weight: 600;
    color: #1d1d1f;
}

.score-bar {
    flex: 1;
    height: 12px;
    background: #e5e5e7;
    border-radius: 6px;
    overflow: hidden;
}

.score-fill {
    height: 100%;
    border-radius: 6px;
    transition: width 1s ease;
}

.individual .score-fill {
    background: #ff6b6b;
}

.family-firm .score-fill {
    background: #45b7d1;
}

.company .score-fill {
    background: #4ecdc4;
}

.government .score-fill {
    background: #96ceb4;
}

.score-value {
    min-width: 40px;
    text-align: right;
    font-weight: 600;
    color: #1d1d1f;
}

/* Final Result */
.final-result {
    text-align: center;
}

.result-type {
    margin-bottom: 16px;
}

.type-label {
    display: block;
    font-size: 24px;
    font-weight: 700;
    color: #1d1d1f;
    margin-bottom: 8px;
}

.type-confidence {
    background: #4caf50;
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

.result-reasoning {
    padding: 16px;
    background: #f5f5f7;
    border-radius: 8px;
}

.reasoning-text {
    color: #666;
    font-style: italic;
}





/* Live Demo Section */
.demo-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.demo-input, .demo-process {
    background: white;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.demo-input h3, .demo-process h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    color: #1d1d1f;
}

.demo-subtitle {
    color: #86868b;
    font-size: 16px;
    margin-bottom: 30px;
    text-align: center;
}

.entity-categories {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.entity-categories h4 {
    font-size: 18px;
    font-weight: 600;
    color: #1d1d1f;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid #e5e5e7;
}

.entity-selection {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.entity-option {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 12px;
    border: 2px solid #e5e5e7;
    cursor: pointer;
    transition: all 0.3s ease;
}

.entity-option:hover {
    border-color: #007aff;
    background: #e3f2fd;
    transform: translateX(5px);
}

.entity-text {
    display: block;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 16px;
    color: #1d1d1f;
    margin-bottom: 8px;
}

.entity-type {
    font-size: 14px;
    color: #86868b;
    font-style: italic;
}

/* Process Steps */
.process-steps {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.process-step {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 12px;
    border: 1px solid #e5e5e7;
    transition: all 0.3s ease;
}

.process-step:hover {
    border-color: #007aff;
    background: #e3f2fd;
}

.step-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.step-icon {
    font-size: 24px;
}

.step-title {
    font-size: 18px;
    font-weight: 600;
    color: #1d1d1f;
}

.step-content {
    background: white;
    padding: 16px;
    border-radius: 8px;
    border: 1px solid #e5e5e7;
}

/* Text Breakdown */
.text-breakdown {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.word {
    background: #e3f2fd;
    color: #1565c0;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
}

/* Language Results */
.language-results {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.lang-result {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background: #f5f5f7;
    border-radius: 8px;
}

.lang-name {
    font-weight: 600;
    color: #1d1d1f;
}

.lang-words {
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 14px;
    color: #666;
}

/* Pattern Results */
.pattern-results {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.pattern-result {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background: #f5f5f7;
    border-radius: 8px;
}

.pattern-name {
    font-weight: 600;
    color: #1d1d1f;
}

.pattern-match {
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 14px;
    color: #666;
}

/* Scoring Results */
.scoring-results {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.score-result {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    border-radius: 8px;
}

.score-result.individual {
    background: #ffebee;
    border: 1px solid #ffcdd2;
}

.score-result.family-firm {
    background: #e3f2fd;
    border: 1px solid #bbdefb;
}

.score-result.company {
    background: #e8f5e8;
    border: 1px solid #c8e6c9;
}

.score-result.government {
    background: #fff3e0;
    border: 1px solid #ffcc80;
}

.score-label {
    font-weight: 600;
    color: #1d1d1f;
}

.score-value {
    font-size: 18px;
    font-weight: 700;
    color: #1d1d1f;
}

/* Final Result */
.final-result {
    text-align: center;
}

.result-type.family-firm {
    background: #e3f2fd;
    color: #1565c0;
    padding: 16px;
    border-radius: 12px;
    margin-bottom: 16px;
}

.type-name {
    display: block;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.type-confidence {
    font-size: 16px;
    font-weight: 600;
}

.result-explanation {
    padding: 16px;
    background: #f5f5f7;
    border-radius: 8px;
}

.explanation-text {
    color: #666;
    font-style: italic;
}

/* Technical Details Section */
.technical-container {
    margin-bottom: 50px;
}

.tech-overview {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    margin-bottom: 30px;
}

.tech-overview h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 30px;
    color: #1d1d1f;
    text-align: center;
}

.architecture-diagram {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.arch-layer {
    background: #f8f9fa;
    border: 2px solid #e5e5e7;
    border-radius: 16px;
    padding: 24px;
    width: 100%;
    max-width: 500px;
    text-align: center;
    transition: all 0.3s ease;
}

.arch-layer:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-color: #007aff;
}

.arch-layer h4 {
    font-size: 18px;
    font-weight: 600;
    color: #1d1d1f;
    margin-bottom: 16px;
}

.layer-content {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.layer-item {
    background: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    color: #666;
    border: 1px solid #e5e5e7;
}

.arch-arrow {
    font-size: 24px;
    color: #007aff;
    font-weight: bold;
}

.tech-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.tech-card {
    background: white;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

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

.tech-card h4 {
    font-size: 20px;
    font-weight: 600;
    color: #1d1d1f;
    margin-bottom: 20px;
}

.tech-content p {
    color: #666;
    margin-bottom: 16px;
    line-height: 1.6;
}

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

.tech-content li {
    padding: 8px 0;
    border-bottom: 1px solid #f0f0f0;
    color: #666;
}

.tech-content li:last-child {
    border-bottom: none;
}

.tech-content li:before {
    content: "•";
    color: #007aff;
    font-weight: bold;
    margin-right: 8px;
}

/* Footer */
.footer {
    text-align: center;
    padding: 40px 0;
    margin-top: 60px;
    border-top: 1px solid #e5e5e7;
    color: #86868b;
}

.footer p {
    margin-bottom: 8px;
}

.footer p:last-child {
    margin-bottom: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 36px;
    }
    
    .hero-stats {
        gap: 20px;
    }
    
    .demo-container {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .pattern-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-details {
        grid-template-columns: 1fr;
    }
    
    .main-nav {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .nav-btn {
        flex: 1;
        min-width: 120px;
    }
    
    .decision-node {
        padding: 20px;
    }
    
    .pattern-hover {
        min-width: 250px;
        left: 0;
        transform: translateY(10px);
    }
    
    .pattern-item:hover .pattern-hover {
        transform: translateY(10px);
    }
}