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

:root {
    --primary: #0066cc;
    --primary-dark: #004c99;
    --text-primary: #1a1a1a;
    --text-secondary: #666;
    --bg-light: #f8f9fa;
    --border: #e0e0e0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: #fff;
}

nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.25rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--primary);
}

.hero {
    padding: 8rem 2rem 6rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #fff 100%);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 1rem;
}

.btn-primary, .btn-secondary {
    padding: 0.875rem 2rem;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 6px;
    transition: all 0.2s;
    display: inline-block;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
}

.btn-secondary {
    background: #fff;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    background: var(--primary);
    color: #fff;
}

.stats-card {
    background: #fff;
    padding: 3rem 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
    font-weight: 500;
}

.section {
    padding: 5rem 2rem;
}

.bg-light {
    background: var(--bg-light);
}

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

h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-intro {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 700px;
}

.lead {
    font-size: 1.375rem;
    font-weight: 500;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.about-content p {
    font-size: 1.0625rem;
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    max-width: 800px;
}

.investments-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.investment-cards-column {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.chart-card {
    display: flex;
    flex-direction: column;
}

.chart-card h3 {
    margin-bottom: 1.5rem;
}

.chart-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.investment-card {
    background: #fff;
    padding: 2.5rem;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.investment-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.investment-list, .philosophy-list {
    list-style: none;
}

.investment-list li, .philosophy-list li {
    padding: 0.75rem 0;
    font-size: 1.0625rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
}

.investment-list li:last-child, .philosophy-list li:last-child {
    border-bottom: none;
}

.timeline {
    margin-top: 3rem;
}

.timeline-item {
    margin-bottom: 3rem;
    padding-left: 2rem;
    border-left: 3px solid var(--primary);
    padding-bottom: 2rem;
}

.timeline-item:last-child {
    border-left-color: transparent;
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 0.5rem;
}

.timeline-item h3 {
    font-size: 1.375rem;
    font-weight: 700;
}

.timeline-date {
    font-size: 0.9375rem;
    color: var(--primary);
    font-weight: 600;
}

.timeline-item h4 {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.timeline-item p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.education-section {
    margin-top: 5rem;
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.education-item h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.education-item p {
    color: var(--text-secondary);
}

.blog-grid {
    margin-top: 2rem;
}

.blog-post {
    background: #fff;
    padding: 2.5rem;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.blog-post h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.blog-post h3 a {
    color: var(--text-primary);
    text-decoration: none;
}

.blog-post h3 a:hover {
    color: var(--primary);
}

.blog-post .post-meta {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.blog-post p {
    color: var(--text-secondary);
    font-size: 1.0625rem;
}

.twitter-container {
    max-width: 600px;
    margin: 0 auto;
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.contact-container {
    text-align: center;
}

.contact-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.contact-link {
    background: #fff;
    padding: 2rem;
    border: 2px solid var(--border);
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.2s;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.contact-link:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.link-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

footer {
    background: var(--text-primary);
    color: #fff;
    text-align: center;
    padding: 2rem;
    font-size: 0.9375rem;
}

@media (max-width: 968px) {
    nav {
        padding: 1rem 2rem;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        padding: 4rem 2rem;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    section {
        padding: 4rem 2rem;
    }
    
    .investments-grid {
        grid-template-columns: 1fr;
    }
    
    .education-grid,
    .contact-links {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        gap: 1rem;
        font-size: 0.875rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .timeline-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 768px) {
    nav {
        padding: 1rem 1.5rem;
    }
    
    .nav-container {
        flex-wrap: wrap;
    }
    
    .logo {
        font-size: 1.125rem;
    }
    
    .nav-links {
        gap: 0.75rem;
        font-size: 0.75rem;
        flex-wrap: wrap;
        justify-content: center;
        width: 100%;
        margin-top: 0.5rem;
    }
    
    .hero-container {
        padding: 3rem 1.5rem;
    }
    
    .hero-text h1 {
        font-size: 2rem;
        line-height: 1.2;
    }
    
    .hero-text p {
        font-size: 1rem;
    }
    
    .hero-cta {
        flex-direction: column;
        gap: 1rem;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%;
        text-align: center;
        padding: 1rem 1.5rem;
    }
    
    section {
        padding: 3rem 1.5rem;
    }
    
    section h2 {
        font-size: 2rem;
    }
    
    .section-intro {
        font-size: 1.125rem;
    }
    
    .investments-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .investment-card {
        padding: 1.5rem;
    }
    
    .timeline-item {
        padding: 1.5rem;
    }
    
    .timeline-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .education-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .education-card {
        padding: 1.5rem;
    }
    
    .contact-links {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .contact-link {
        padding: 1.5rem;
    }
}
    }
}
