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

:root {
    /* Black & White Dark Mode Colors */
    --bg-primary: #0a0a0a;
    --bg-secondary: #141414;
    --bg-tertiary: #1a1a1a;
    --bg-card: #1f1f1f;
    --bg-hover: #252525;
    
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --text-muted: #808080;
    
    --border-color: #2a2a2a;
    --border-light: #333333;
    
    --accent-primary: #ffffff;
    --accent-secondary: #e6e6e6;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header */
.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-lg) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.header-content {
    text-align: center;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.logo i {
    width: 32px;
    height: 32px;
    stroke-width: 1.5;
}

.logo h1 {
    font-size: 28px;
    font-weight: 600;
    letter-spacing: -0.5px;
}

.subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    font-weight: 400;
}

/* Navigation Tabs */
.nav-tabs {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 97px;
    z-index: 99;
    backdrop-filter: blur(10px);
}

.tabs {
    display: flex;
    gap: var(--spacing-xs);
    overflow-x: auto;
    padding: var(--spacing-sm) 0;
    scrollbar-width: none;
}

.tabs::-webkit-scrollbar {
    display: none;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 12px 20px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.tab-btn i {
    width: 18px;
    height: 18px;
    stroke-width: 2;
}

.tab-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--border-light);
}

.tab-btn.active {
    background: var(--accent-primary);
    color: var(--bg-primary);
    border-color: var(--accent-primary);
}

/* Main Content */
.main-content {
    padding: var(--spacing-xl) 0;
    min-height: calc(100vh - 300px);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Sections */
.section {
    margin-bottom: var(--spacing-xl);
}

.section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 24px;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.section-title i {
    width: 28px;
    height: 28px;
    stroke-width: 2;
}

/* Cards */
.cards-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.card:hover {
    border-color: var(--border-light);
    transform: translateY(-2px);
}

.card-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h3 {
    font-size: 20px;
    font-weight: 600;
}

.badge {
    padding: 4px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
}

.stat-badge {
    padding: 6px 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}

.card-body {
    padding: var(--spacing-md);
}

/* Statistics */
.stat-large {
    font-size: 48px;
    font-weight: 700;
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.stat-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-value {
    font-size: 24px;
    font-weight: 600;
}

.stat-desc {
    font-size: 13px;
    color: var(--text-secondary);
}

/* Key Points */
.key-points {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.point {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 14px;
}

.point i {
    width: 18px;
    height: 18px;
    stroke-width: 2;
    color: var(--text-primary);
    flex-shrink: 0;
}

/* Charts */
.chart-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.chart-medium {
    height: 300px;
    margin-bottom: var(--spacing-md);
}

.chart-small {
    height: 200px;
    margin-top: var(--spacing-md);
}

/* Comparison Bars */
.comparison-bars {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.bar-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.bar-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

.bar-track {
    height: 32px;
    background: var(--bg-tertiary);
    border-radius: 6px;
    overflow: hidden;
    position: relative;
}

.bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-sm);
    font-size: 13px;
    font-weight: 600;
    color: var(--bg-primary);
    transition: width 0.6s ease;
}

.metric-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.metric-header i {
    width: 24px;
    height: 24px;
    stroke-width: 2;
}

.metric-header h4 {
    font-size: 16px;
    font-weight: 600;
}

/* Country List */
.country-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.country-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: 8px;
    font-size: 14px;
}

.country-name {
    font-weight: 500;
}

.country-stat {
    font-weight: 600;
    color: var(--text-primary);
}

/* Demographics */
.demo-section {
    margin-bottom: var(--spacing-md);
}

.demo-section h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.gender-stats {
    display: flex;
    gap: var(--spacing-md);
}

.gender-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: 8px;
    flex: 1;
    font-size: 14px;
}

.gender-item i {
    width: 18px;
    height: 18px;
    stroke-width: 2;
}

.user-types {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.type-tag {
    padding: 6px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
}

.age-info {
    font-size: 14px;
    color: var(--text-secondary);
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: 8px;
}

.age-breakdown {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.age-item {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: 6px;
    font-size: 14px;
}

/* Timeline */
.timeline {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-md);
    border-left: 2px solid var(--border-color);
}

.timeline-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding-left: var(--spacing-md);
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -9px;
    top: 6px;
    width: 14px;
    height: 14px;
    background: var(--accent-primary);
    border: 2px solid var(--bg-card);
    border-radius: 50%;
}

.timeline-date {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.timeline-event {
    font-size: 14px;
    color: var(--text-primary);
}

/* Strategy Points */
.strategy-points {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.strategy-points h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.strategy-points ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.strategy-points li {
    padding-left: var(--spacing-md);
    position: relative;
    font-size: 14px;
    color: var(--text-secondary);
}

.strategy-points li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--text-primary);
    font-weight: 600;
}

/* Channel Distribution */
.channel-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.channel-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: 8px;
    font-size: 14px;
}

.channel-item i {
    width: 18px;
    height: 18px;
    stroke-width: 2;
}

.channel-breakdown {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.channel-row {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.channel-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

.channel-bar {
    height: 32px;
    background: var(--bg-tertiary);
    border-radius: 6px;
    overflow: hidden;
}

.channel-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-sm);
    font-size: 13px;
    font-weight: 600;
    color: var(--bg-primary);
    transition: width 0.6s ease;
}

/* Keywords */
.keyword-section {
    margin-bottom: var(--spacing-md);
}

.keyword-section h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.keyword-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.keyword-tag {
    padding: 8px 14px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
}

.keyword-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.keyword-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: 6px;
    font-size: 14px;
}

.keyword-item i {
    width: 16px;
    height: 16px;
    stroke-width: 2;
    flex-shrink: 0;
}

/* Hooks & Value Props */
.hooks-section {
    margin-bottom: var(--spacing-md);
}

.hooks-section h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.value-props {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.prop-item {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: 8px;
}

.prop-item i {
    width: 24px;
    height: 24px;
    stroke-width: 2;
    flex-shrink: 0;
    margin-top: 2px;
}

.prop-item strong {
    display: block;
    font-size: 15px;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.prop-item p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.hooks-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.hooks-list li {
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: 6px;
    font-size: 14px;
    color: var(--text-secondary);
}

/* Pricing */
.pricing-comparison {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.pricing-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}

.pricing-header h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.pricing-model {
    font-size: 14px;
    color: var(--text-secondary);
}

.pricing-tiers {
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.tier {
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: 8px;
}

.tier-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.tier-price {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.tier-features {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.tier-features span {
    font-size: 13px;
    color: var(--text-secondary);
    padding-left: var(--spacing-sm);
    position: relative;
}

.tier-features span::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--text-primary);
}

/* Funding Details */
.funding-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.funding-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: 6px;
    font-size: 14px;
}

.funding-label {
    color: var(--text-secondary);
}

.funding-value {
    font-weight: 600;
    color: var(--text-primary);
}

/* Sources */
.sources-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.source-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: 6px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.2s ease;
}

.source-link:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.source-link i {
    width: 16px;
    height: 16px;
    stroke-width: 2;
    flex-shrink: 0;
}

/* Tools */
.tools-section {
    margin-bottom: var(--spacing-md);
}

.tools-section h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.tools-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.tool-tag {
    padding: 8px 14px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
}

/* Benchmarks */
.benchmark-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.benchmark-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.benchmark-header i {
    width: 24px;
    height: 24px;
    stroke-width: 2;
}

.benchmark-header h4 {
    font-size: 16px;
    font-weight: 600;
}

.benchmark-scores {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.score-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: 6px;
}

.score-label {
    font-size: 14px;
    color: var(--text-secondary);
}

.score-value {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

.metric-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
}

.metric-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: 8px;
    text-align: center;
}

.metric-number {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.metric-label {
    font-size: 13px;
    color: var(--text-secondary);
}

.community-stats {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.community-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: 6px;
    font-size: 14px;
}

.community-label {
    color: var(--text-secondary);
}

.community-value {
    font-weight: 600;
    color: var(--text-primary);
}

/* Methodology */
.methodology-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: var(--spacing-lg);
}

.method-content p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.method-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.method-list li {
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: 6px;
    font-size: 14px;
    color: var(--text-secondary);
}

.method-list strong {
    color: var(--text-primary);
}

.method-note {
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-left: 3px solid var(--accent-primary);
    border-radius: 6px;
    font-size: 14px;
    color: var(--text-secondary);
    font-style: italic;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-lg) 0;
    margin-top: var(--spacing-xl);
}

.footer-content {
    text-align: center;
}

.footer-content p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.footer-note {
    font-size: 12px;
    color: var(--text-muted);
}

/* Responsive Design */
@media (max-width: 768px) {
    .cards-row {
        grid-template-columns: 1fr;
    }
    
    .pricing-comparison {
        grid-template-columns: 1fr;
    }
    
    .stat-row {
        grid-template-columns: 1fr;
    }
    
    .gender-stats {
        flex-direction: column;
    }
    
    .tabs {
        gap: var(--spacing-xs);
    }
    
    .tab-btn span {
        display: none;
    }
    
    .logo h1 {
        font-size: 20px;
    }
    
    .subtitle {
        font-size: 14px;
    }
}

/* Print Styles */
@media print {
    body {
        background: white;
        color: black;
    }
    
    .nav-tabs,
    .footer {
        display: none;
    }
    
    .tab-content {
        display: block !important;
    }
    
    .card {
        page-break-inside: avoid;
    }
}