:root {
    --primary-blue: #0066cc;
    --secondary-blue: #3498db;
    --accent-orange: #ff6600;
    --success-green: #2ecc71;
    --warning-yellow: #f1c40f;
    --danger-red: #e74c3c;
    --dark-gray: #333333;
    --medium-gray: #666666;
    --light-gray: #f5f5f5;
    --white: #ffffff;
    --border-radius: 10px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--light-gray);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header Styles */
.header {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--white);
    padding: 3rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '+';
    position: absolute;
    font-size: 30rem;
    opacity: 0.05;
    top: -10rem;
    right: -5rem;
    font-weight: 700;
}

.header-content {
    position: relative;
    z-index: 1;
}

.logo {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    letter-spacing: -1px;
    position: relative;
    display: inline-block;
}

.logo::after {
    content: '+';
    color: var(--accent-orange);
    position: relative;
    font-size: 3.5rem;
    font-weight: 800;
}

.tagline {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 1rem;
    letter-spacing: 1px;
}

/* Navigation Styles */
.nav {
    background-color: var(--dark-gray);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--box-shadow);
}

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

.nav-list {
    display: flex;
    list-style: none;
    overflow-x: auto;
    padding: 0 1rem;
}

.nav-item {
    padding: 1rem 1.5rem;
    color: var(--white);
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition);
    border-bottom: 3px solid transparent;
}

.nav-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-bottom: 3px solid var(--accent-orange);
}

.nav-item.active {
    border-bottom: 3px solid var(--accent-orange);
    font-weight: 500;
}

.nav-item i {
    margin-right: 0.5rem;
}

/* Section Styles */
.section {
    display: none;
    padding: 2rem 0;
}

.section.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

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

.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
    text-align: center;
    color: var(--dark-gray);
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--accent-orange);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 2.5rem 0 1.5rem;
    color: var(--dark-gray);
}

/* Card Styles */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.card-title {
    background-color: var(--dark-gray);
    color: var(--white);
    padding: 1rem;
    font-size: 1.2rem;
    font-weight: 600;
}

.card-content {
    padding: 1.5rem;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.stat-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-orange);
    display: block;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    color: var(--medium-gray);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Quote Block */
.quote-block {
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 2rem;
    margin: 3rem 0;
    position: relative;
}

.quote-block::before {
    content: '"';
    position: absolute;
    top: -20px;
    left: 20px;
    font-size: 5rem;
    color: var(--accent-orange);
    opacity: 0.2;
    font-family: Georgia, serif;
}

.quote-text {
    font-size: 1.3rem;
    font-style: italic;
    margin-bottom: 1rem;
    line-height: 1.8;
}

.quote-author {
    font-weight: 600;
    text-align: right;
    color: var(--medium-gray);
}

/* Sector Bars */
.sector-bars {
    margin-top: 1.5rem;
}

.sector-bar {
    margin-bottom: 1rem;
}

.sector-label {
    font-weight: 500;
    margin-bottom: 0.3rem;
}

.bar-container {
    background-color: var(--light-gray);
    border-radius: 10px;
    height: 25px;
    overflow: hidden;
}

.bar {
    height: 100%;
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 10px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: width 1s ease-in-out;
}

/* Timeline */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto 3rem;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 20px;
    width: 4px;
    background-color: var(--accent-orange);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 60px;
}

.timeline-marker {
    position: absolute;
    left: 10px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: var(--white);
    border: 4px solid var(--accent-orange);
    z-index: 1;
}

.timeline-content {
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 1.5rem;
}

.timeline-year {
    display: inline-block;
    background-color: var(--accent-orange);
    color: var(--white);
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    margin-bottom: 1rem;
}

/* Investment Cards */
.investment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.investment-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 1.5rem;
    transition: var(--transition);
}

.investment-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.highlight-card {
    border: 2px solid var(--accent-orange);
    background-color: rgba(255, 102, 0, 0.05);
    transform: scale(1.02);
}

.highlight-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 10px 25px rgba(255, 102, 0, 0.2);
}

.investment-name {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
    color: var(--dark-gray);
}

.investment-sector {
    display: inline-block;
    background-color: var(--light-gray);
    padding: 0.2rem 0.8rem;
    border-radius: 15px;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.investment-funding {
    color: var(--success-green);
    font-weight: 600;
    margin-bottom: 1rem;
}

/* Competitive Table */
.competitive-table {
    width: 100%;
    border-collapse: collapse;
}

.competitive-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr 2fr;
    border-bottom: 1px solid var(--light-gray);
}

.competitive-row.header {
    background-color: var(--dark-gray);
    color: var(--white);
    font-weight: 600;
}

.competitive-cell {
    padding: 0.8rem;
}

/* Interactive Chart */
.interactive-chart {
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 2rem;
    margin-bottom: 3rem;
}

.chart-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-align: center;
    color: var(--dark-gray);
}

/* Footer */
.footer {
    background-color: var(--dark-gray);
    color: var(--white);
    padding: 2rem;
    text-align: center;
}

.footer-content {
    max-width: 800px;
    margin: 0 auto;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .card-grid, .stats-grid, .investment-grid {
        grid-template-columns: 1fr;
    }
    
    .competitive-row {
        grid-template-columns: 1fr;
    }
    
    .competitive-row.header {
        display: none;
    }
    
    .competitive-cell {
        padding: 0.5rem;
        border-bottom: 1px solid var(--light-gray);
    }
    
    .competitive-cell:before {
        content: attr(data-label);
        font-weight: 600;
        display: inline-block;
        width: 120px;
    }
    
    .timeline::before {
        left: 10px;
    }
    
    .timeline-item {
        padding-left: 40px;
    }
    
    .timeline-marker {
        left: 0;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 2rem 1rem;
    }
    
    .logo {
        font-size: 2.5rem;
    }
    
    .logo::after {
        font-size: 2.5rem;
    }
    
    .tagline {
        font-size: 1.2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .section-subtitle {
        font-size: 1.3rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
}