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

body {
    font-family: 'Noto Sans Arabic', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
    direction: rtl;
}

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

/* Header Styles */
.header {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    padding: 40px 0;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.main-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 30px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.author-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 800px;
    margin: 0 auto;
    flex-wrap: wrap;
    gap: 20px;
}

.author-details h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 5px;
}

.author-details p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.report-date {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 10px 20px;
    border-radius: 25px;
    backdrop-filter: blur(10px);
}

/* Navigation Styles */
.navigation {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-menu {
    display: flex;
    list-style: none;
    justify-content: center;
    flex-wrap: wrap;
    padding: 0;
}

.nav-menu li {
    margin: 0 5px;
}

.nav-link {
    display: block;
    padding: 15px 20px;
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: all 0.3s ease;
    border-radius: 5px;
}

.nav-link:hover {
    background: #2a5298;
    color: white;
    transform: translateY(-2px);
}

/* Main Content Styles */
.main-content {
    padding: 40px 0;
}

/* Table of Contents */
.table-of-contents {
    background: white;
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 40px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.table-of-contents h2 {
    color: #2a5298;
    font-size: 1.8rem;
    margin-bottom: 25px;
    text-align: center;
}

.toc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.toc-item {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 10px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.toc-item a {
    display: flex;
    align-items: center;
    padding: 20px;
    text-decoration: none;
    color: #333;
    font-weight: 500;
}

.toc-item i {
    font-size: 1.5rem;
    color: #2a5298;
    margin-left: 15px;
    width: 30px;
}

/* Content Sections */
.content-section {
    background: white;
    border-radius: 15px;
    padding: 40px;
    margin-bottom: 40px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.section-header {
    border-bottom: 3px solid #2a5298;
    padding-bottom: 20px;
    margin-bottom: 30px;
}

.section-header h2 {
    color: #2a5298;
    font-size: 2rem;
    font-weight: 600;
}

.section-header i {
    margin-left: 15px;
}

.section-content p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    line-height: 1.8;
    text-align: justify;
}

/* Definition Boxes */
.definition-box {
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    border-right: 5px solid #2196f3;
    padding: 25px;
    margin: 25px 0;
    border-radius: 10px;
}

.definition-box h3 {
    color: #1976d2;
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.definition-box i {
    margin-left: 10px;
}

/* Objectives Grid */
.objectives-grid {
    margin: 30px 0;
}

.objectives-grid h3 {
    color: #2a5298;
    font-size: 1.5rem;
    margin-bottom: 25px;
    text-align: center;
}

.objective-item {
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.objective-item:hover {
    border-color: #2a5298;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.objective-item i {
    font-size: 2rem;
    color: #2a5298;
    margin-bottom: 15px;
}

.objective-item h4 {
    color: #333;
    font-size: 1.2rem;
    margin-bottom: 10px;
}

/* Timeline Styles */
.timeline {
    position: relative;
    padding: 20px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    right: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, #2a5298, #1e3c72);
    border-radius: 2px;
}

.timeline-item {
    display: flex;
    align-items: center;
    margin-bottom: 40px;
    position: relative;
}

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
}

.timeline-date {
    background: linear-gradient(135deg, #2a5298 0%, #1e3c72 100%);
    color: white;
    padding: 15px 25px;
    border-radius: 25px;
    font-weight: 600;
    font-size: 1.1rem;
    min-width: 150px;
    text-align: center;
    box-shadow: 0 4px 10px rgba(42, 82, 152, 0.3);
}

.timeline-content {
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 15px;
    padding: 25px;
    margin: 0 30px;
    flex: 1;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.timeline-content:hover {
    border-color: #2a5298;
    transform: translateY(-3px);
}

.timeline-content h3 {
    color: #2a5298;
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.timeline-content i {
    margin-left: 10px;
}

/* System Cards */
.system-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border: 2px solid #dee2e6;
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 30px;
    transition: all 0.3s ease;
}

.system-card:hover {
    border-color: #2a5298;
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.system-card h3 {
    color: #2a5298;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.system-card i {
    margin-left: 10px;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 25px;
}

.feature-item {
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-item:hover {
    border-color: #2a5298;
    transform: translateY(-3px);
}

.feature-item i {
    font-size: 2rem;
    color: #2a5298;
    margin-bottom: 15px;
}

.feature-item h4 {
    color: #333;
    font-size: 1.1rem;
    margin-bottom: 10px;
}

/* Zones Table */
.zones-table {
    margin: 25px 0;
    overflow-x: auto;
}

.zones-table table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.zones-table th,
.zones-table td {
    padding: 15px 20px;
    text-align: center;
    border-bottom: 1px solid #e9ecef;
}

.zones-table th {
    background: linear-gradient(135deg, #2a5298 0%, #1e3c72 100%);
    color: white;
    font-weight: 600;
}

.zone-priority-1 { background-color: #ffebee; }
.zone-priority-2 { background-color: #fff3e0; }
.zone-priority-3 { background-color: #f3e5f5; }
.zone-priority-4 { background-color: #e8f5e8; }
.zone-priority-5 { background-color: #f5f5f5; }

.table-note {
    font-size: 0.9rem;
    color: #666;
    margin-top: 10px;
    text-align: center;
}

/* Evaluation Criteria */
.evaluation-criteria {
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    padding: 20px;
    margin-top: 20px;
}

.evaluation-criteria h4 {
    color: #2a5298;
    margin-bottom: 15px;
}

.evaluation-criteria ul {
    list-style: none;
}

.evaluation-criteria li {
    padding: 8px 0;
    border-bottom: 1px solid #f8f9fa;
}

.evaluation-criteria li:last-child {
    border-bottom: none;
}

.evaluation-criteria i {
    color: #2a5298;
    margin-left: 10px;
    width: 20px;
}

/* Impact Cards */
.impact-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border: 2px solid #e9ecef;
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 30px;
    transition: all 0.3s ease;
}

.impact-card:hover {
    border-color: #2a5298;
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.impact-card h3 {
    color: #2a5298;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.impact-card i {
    margin-left: 10px;
}

/* Statistics Box */
.statistics-box {
    display: flex;
    justify-content: space-around;
    margin: 25px 0;
    flex-wrap: wrap;
    gap: 20px;
}

.stat-item {
    background: linear-gradient(135deg, #2a5298 0%, #1e3c72 100%);
    color: white;
    padding: 25px;
    border-radius: 15px;
    text-align: center;
    min-width: 200px;
    box-shadow: 0 5px 15px rgba(42, 82, 152, 0.3);
}

.stat-item i {
    font-size: 2rem;
    margin-bottom: 10px;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Revenue Flow */
.revenue-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 30px 0;
    flex-wrap: wrap;
    gap: 20px;
}

.flow-item {
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 15px;
    padding: 25px;
    text-align: center;
    min-width: 200px;
    transition: all 0.3s ease;
}

.flow-item:hover {
    border-color: #2a5298;
    transform: translateY(-3px);
}

.flow-item i {
    font-size: 2.5rem;
    color: #2a5298;
    margin-bottom: 15px;
}

.flow-item h4 {
    color: #333;
    margin-bottom: 10px;
}

.flow-arrow {
    font-size: 2rem;
    color: #2a5298;
    font-weight: bold;
}

/* Investment Benefits */
.investment-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 25px 0;
}

.benefit-item {
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
}

.benefit-item:hover {
    border-color: #2a5298;
    transform: translateY(-3px);
}

.benefit-item i {
    font-size: 2rem;
    color: #2a5298;
    margin-bottom: 15px;
}

.benefit-item h4 {
    color: #333;
    margin-bottom: 10px;
}

/* Job Sectors */
.job-sectors {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 25px 0;
}

.sector-item {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border: 2px solid #dee2e6;
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
}

.sector-item:hover {
    border-color: #2a5298;
    transform: translateY(-3px);
}

.sector-item i {
    font-size: 2rem;
    color: #2a5298;
    margin-bottom: 10px;
}

.sector-item h4 {
    color: #333;
}

/* Vision Alignment */
.vision-alignment {
    background: linear-gradient(135deg, #e8f5e8 0%, #c8e6c9 100%);
    border: 2px solid #4caf50;
    border-radius: 10px;
    padding: 20px;
    margin-top: 20px;
}

.vision-alignment h4 {
    color: #2e7d32;
    margin-bottom: 15px;
}

.vision-alignment ul {
    list-style: none;
}

.vision-alignment li {
    padding: 8px 0;
    border-bottom: 1px solid rgba(76, 175, 80, 0.1);
}

.vision-alignment li:last-child {
    border-bottom: none;
}

.vision-alignment i {
    color: #4caf50;
    margin-left: 10px;
}

/* Subsections */
.subsection {
    margin: 40px 0;
    padding: 30px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 15px;
    border: 2px solid #dee2e6;
}

.subsection h3 {
    color: #2a5298;
    font-size: 1.8rem;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid #2a5298;
}

.subsection i {
    margin-left: 10px;
}

/* Housing Impact Cards */
.housing-impact-card,
.office-impact-card,
.exhibition-impact-card {
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 25px;
    transition: all 0.3s ease;
}

.housing-impact-card:hover,
.office-impact-card:hover,
.exhibition-impact-card:hover {
    border-color: #2a5298;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.housing-impact-card h4,
.office-impact-card h4,
.exhibition-impact-card h4 {
    color: #2a5298;
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.housing-impact-card i,
.office-impact-card i,
.exhibition-impact-card i {
    margin-left: 10px;
}

/* Market Data */
.market-data {
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    border: 2px solid #2196f3;
    border-radius: 10px;
    padding: 20px;
    margin: 20px 0;
}

.market-data h5 {
    color: #1976d2;
    margin-bottom: 15px;
}

.data-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
}

.data-item {
    background: white;
    border-radius: 8px;
    padding: 15px;
    text-align: center;
}

.data-item i {
    font-size: 1.5rem;
    color: #2196f3;
    margin-bottom: 10px;
}

.data-value {
    display: block;
    font-size: 1.3rem;
    font-weight: 600;
    color: #1976d2;
    margin-bottom: 5px;
}

.data-label {
    font-size: 0.9rem;
    color: #666;
}

/* Affordability Chain */
.affordability-chain {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 25px 0;
    flex-wrap: wrap;
    gap: 15px;
}

.chain-item {
    background: linear-gradient(135deg, #e8f5e8 0%, #c8e6c9 100%);
    border: 2px solid #4caf50;
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    min-width: 150px;
}

.chain-item i {
    font-size: 2rem;
    color: #4caf50;
    margin-bottom: 10px;
}

.chain-item h5 {
    color: #2e7d32;
    margin-bottom: 5px;
}

.chain-arrow {
    font-size: 1.5rem;
    color: #4caf50;
    font-weight: bold;
}

/* Zone Distribution */
.zone-distribution {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.zone-item {
    border-radius: 10px;
    padding: 20px;
    text-align: center;
}

.priority-max {
    background: linear-gradient(135deg, #ffebee 0%, #ffcdd2 100%);
    border: 2px solid #f44336;
}

.priority-high {
    background: linear-gradient(135deg, #fff3e0 0%, #ffcc02 100%);
    border: 2px solid #ff9800;
}

.zone-item i {
    font-size: 2rem;
    margin-bottom: 15px;
}

.priority-max i { color: #f44336; }
.priority-high i { color: #ff9800; }

.zone-item h5 {
    margin-bottom: 10px;
}

.priority-max h5 { color: #c62828; }
.priority-high h5 { color: #ef6c00; }

/* Building Standards */
.building-standards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.standard-item {
    background: linear-gradient(135deg, #f3e5f5 0%, #e1bee7 100%);
    border: 2px solid #9c27b0;
    border-radius: 10px;
    padding: 20px;
    text-align: center;
}

.standard-item i {
    font-size: 2rem;
    color: #9c27b0;
    margin-bottom: 15px;
}

.standard-item h5 {
    color: #7b1fa2;
}

/* Quality Improvements */
.quality-improvements {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.improvement-item {
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
}

.improvement-item:hover {
    border-color: #2a5298;
    transform: translateY(-3px);
}

.improvement-item i {
    font-size: 2rem;
    color: #2a5298;
    margin-bottom: 15px;
}

.improvement-item h5 {
    color: #333;
    margin-bottom: 10px;
}

/* Exhibition Types */
.exhibition-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.type-item {
    background: linear-gradient(135deg, #e0f2f1 0%, #b2dfdb 100%);
    border: 2px solid #009688;
    border-radius: 10px;
    padding: 20px;
    text-align: center;
}

.type-item i {
    font-size: 2rem;
    color: #009688;
    margin-bottom: 15px;
}

.type-item h5 {
    color: #00695c;
    margin-bottom: 10px;
}

/* Support Services */
.support-services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.service-item {
    background: linear-gradient(135deg, #fff8e1 0%, #ffecb3 100%);
    border: 2px solid #ffc107;
    border-radius: 10px;
    padding: 20px;
    text-align: center;
}

.service-item i {
    font-size: 2rem;
    color: #f57c00;
    margin-bottom: 15px;
}

.service-item h5 {
    color: #e65100;
}

/* Conclusion Cards */
.conclusion-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border: 2px solid #e9ecef;
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.conclusion-card h3 {
    color: #2a5298;
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.conclusion-card i {
    margin-left: 10px;
}

/* Sector Impacts */
.sector-impacts {
    margin: 25px 0;
}

.sector-impact {
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.sector-impact:hover {
    border-color: #2a5298;
    transform: translateY(-3px);
}

.sector-impact i {
    font-size: 2rem;
    color: #2a5298;
    float: right;
    margin-right: 15px;
    margin-bottom: 15px;
}

.sector-impact h4 {
    color: #2a5298;
    font-size: 1.3rem;
    margin-bottom: 15px;
    clear: both;
}

/* Key Features */
.key-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin: 25px 0;
}

.feature {
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    padding: 25px;
    transition: all 0.3s ease;
}

.feature:hover {
    border-color: #2a5298;
    transform: translateY(-3px);
}

.feature i {
    font-size: 2rem;
    color: #2a5298;
    margin-bottom: 15px;
}

.feature h4 {
    color: #333;
    margin-bottom: 15px;
}

/* Economic Benefits */
.economic-benefits {
    background: linear-gradient(135deg, #e8f5e8 0%, #c8e6c9 100%);
    border: 2px solid #4caf50;
    border-radius: 15px;
    padding: 25px;
    margin: 25px 0;
}

.economic-benefits h4 {
    color: #2e7d32;
    margin-bottom: 15px;
}

.benefits-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.benefit-item {
    background: white;
    border-radius: 8px;
    padding: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.benefit-item i {
    color: #4caf50;
    font-size: 1.2rem;
}

/* Real Estate Transformation */
.real-estate-transformation {
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    border: 2px solid #2196f3;
    border-radius: 15px;
    padding: 25px;
    margin: 25px 0;
}

.real-estate-transformation h4 {
    color: #1976d2;
    margin-bottom: 15px;
}

/* Implementation Requirements */
.implementation-requirements {
    background: linear-gradient(135deg, #fff3e0 0%, #ffcc02 100%);
    border: 2px solid #ff9800;
    border-radius: 15px;
    padding: 25px;
    margin: 25px 0;
}

.implementation-requirements h4 {
    color: #ef6c00;
    margin-bottom: 15px;
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.requirement-item {
    background: white;
    border-radius: 8px;
    padding: 15px;
    text-align: center;
}

.requirement-item i {
    font-size: 1.5rem;
    color: #ff9800;
    margin-bottom: 10px;
}

.requirement-item h5 {
    color: #ef6c00;
    margin-bottom: 5px;
}

/* Final Statement */
.final-statement {
    background: linear-gradient(135deg, #f3e5f5 0%, #e1bee7 100%);
    border: 2px solid #9c27b0;
    border-radius: 15px;
    padding: 25px;
    margin: 25px 0;
}

.final-statement h4 {
    color: #7b1fa2;
    margin-bottom: 15px;
}

/* References Section */
.references-section {
    background: linear-gradient(135deg, #f5f5f5 0%, #eeeeee 100%);
    border: 2px solid #9e9e9e;
    border-radius: 15px;
    padding: 30px;
    margin-top: 40px;
}

.references-section h3 {
    color: #424242;
    font-size: 1.5rem;
    margin-bottom: 25px;
    text-align: center;
}

.references-list {
    display: grid;
    gap: 15px;
}

.reference-item {
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: all 0.3s ease;
}

.reference-item:hover {
    border-color: #2a5298;
    transform: translateX(5px);
}

.reference-item i {
    color: #2a5298;
    font-size: 1.2rem;
    min-width: 20px;
}

/* Footer Styles */
.footer {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    padding: 40px 0 20px;
    margin-top: 60px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.author-section h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.author-section p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 20px;
}

.website-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: white;
    text-decoration: none;
    background: rgba(255, 255, 255, 0.1);
    padding: 12px 20px;
    border-radius: 25px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.website-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.report-info p {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 20px;
    text-align: center;
    opacity: 0.8;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #2a5298 0%, #1e3c72 100%);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    box-shadow: 0 4px 15px rgba(42, 82, 152, 0.4);
    transition: all 0.3s ease;
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(42, 82, 152, 0.6);
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-title {
        font-size: 2rem;
    }
    
    .author-info {
        flex-direction: column;
        text-align: center;
    }
    
    .nav-menu {
        flex-direction: column;
    }
    
    .nav-link {
        text-align: center;
    }
    
    .timeline::before {
        right: 20px;
    }
    
    .timeline-item {
        flex-direction: column;
        align-items: flex-start;
        padding-right: 40px;
    }
    
    .timeline-content {
        margin: 15px 0 0 0;
    }
    
    .revenue-flow,
    .affordability-chain {
        flex-direction: column;
    }
    
    .flow-arrow,
    .chain-arrow {
        transform: rotate(90deg);
    }
    
    .toc-grid {
        grid-template-columns: 1fr;
    }
    
    .statistics-box {
        flex-direction: column;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .content-section {
        padding: 25px 20px;
    }
    
    .main-title {
        font-size: 1.8rem;
    }
    
    .section-header h2 {
        font-size: 1.5rem;
    }
    
    .back-to-top {
        bottom: 20px;
        left: 20px;
        width: 45px;
        height: 45px;
    }
}

/* Print Styles */
@media print {
    .navigation,
    .back-to-top {
        display: none;
    }
    
    .content-section {
        box-shadow: none;
        border: 1px solid #ddd;
        page-break-inside: avoid;
        margin-bottom: 20px;
    }
    
    .header {
        background: #2a5298 !important;
        -webkit-print-color-adjust: exact;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection Styles */
::selection {
    background: #2a5298;
    color: white;
}

::-moz-selection {
    background: #2a5298;
    color: white;
}