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

:root {
    /* Colors - Black & White Theme */
    --color-black: #000000;
    --color-white: #FFFFFF;
    --color-gray-50: #FAFAFA;
    --color-gray-100: #F5F5F5;
    --color-gray-200: #E5E5E5;
    --color-gray-300: #D4D4D4;
    --color-gray-400: #A3A3A3;
    --color-gray-500: #737373;
    --color-gray-600: #525252;
    --color-gray-700: #404040;
    --color-gray-800: #262626;
    --color-gray-900: #171717;
    
    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    --font-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', monospace;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-gray-900);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Header */
.header {
    position: sticky;
    top: 0;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    z-index: 100;
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-black);
}

.nav {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--color-gray-600);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--color-black);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-black);
    transition: width var(--transition-base);
}

.nav-link:hover::after {
    width: 100%;
}

/* Hero Section */
.hero {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(180deg, var(--color-white) 0%, var(--color-gray-50) 100%);
    border-bottom: 1px solid var(--color-gray-200);
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--color-black);
    color: var(--color-white);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    color: var(--color-black);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xl);
    line-height: 1.5;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.stat-card {
    padding: var(--spacing-lg);
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: 8px;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-black);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    font-weight: 500;
}

/* Sections */
.section {
    padding: var(--spacing-2xl) 0;
}

.bg-light {
    background-color: var(--color-gray-50);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-sm);
    color: var(--color-black);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-600);
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

/* Cards */
.card {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: 12px;
    overflow: hidden;
    transition: box-shadow var(--transition-base);
}

.card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-200);
    background-color: var(--color-gray-50);
}

.card-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-black);
}

.card-content {
    padding: var(--spacing-lg);
}

/* Icons */
.icon-xs {
    width: 14px;
    height: 14px;
    stroke-width: 2;
}

.icon-sm {
    width: 18px;
    height: 18px;
    stroke-width: 2;
}

.icon-md {
    width: 24px;
    height: 24px;
    stroke-width: 2;
}

.icon-lg {
    width: 32px;
    height: 32px;
    stroke-width: 1.5;
}

.icon-xl {
    width: 48px;
    height: 48px;
    stroke-width: 1.5;
}

/* Info Rows */
.info-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-gray-100);
}

.info-row:last-child {
    border-bottom: none;
}

.info-label {
    font-weight: 600;
    color: var(--color-gray-700);
}

.info-value {
    color: var(--color-gray-900);
}

/* Feature Lists */
.feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-gray-700);
}

/* Feature Boxes */
.feature-box {
    text-align: center;
    padding: var(--spacing-lg);
    border: 1px solid var(--color-gray-200);
    border-radius: 8px;
    transition: all var(--transition-base);
}

.feature-box:hover {
    border-color: var(--color-black);
    transform: translateY(-2px);
}

.feature-box h4 {
    margin: var(--spacing-md) 0 var(--spacing-xs);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-black);
}

.feature-box p {
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

/* Stats */
.stat-card-large {
    text-align: center;
    padding: var(--spacing-xl);
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: 12px;
    transition: all var(--transition-base);
}

.stat-card-large:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.stat-value-large {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-black);
    margin: var(--spacing-md) 0 var(--spacing-xs);
}

.stat-label-large {
    font-size: 1rem;
    color: var(--color-gray-600);
    font-weight: 600;
}

.stat-growth {
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--color-gray-500);
    font-weight: 500;
}

/* Driver Items */
.driver-item {
    padding: var(--spacing-lg);
    border: 1px solid var(--color-gray-200);
    border-radius: 8px;
    text-align: center;
}

.driver-stat {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-black);
    margin-bottom: var(--spacing-xs);
}

.driver-label {
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

/* Tables */
.table-responsive {
    overflow-x: auto;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.comparison-table th,
.comparison-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--color-gray-200);
}

.comparison-table th {
    font-weight: 700;
    color: var(--color-black);
    background-color: var(--color-gray-50);
}

.comparison-table td {
    color: var(--color-gray-700);
}

.highlight-row {
    background-color: var(--color-gray-50);
    font-weight: 600;
}

.highlight-row td {
    color: var(--color-black);
}

/* Advantage Lists */
.advantage-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.advantage-list li {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.advantage-list strong {
    display: block;
    color: var(--color-black);
    margin-bottom: var(--spacing-xs);
}

.advantage-list p {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    margin: 0;
}

/* SWOT Cards */
.swot-card {
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: 12px;
    overflow: hidden;
}

.swot-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    font-weight: 700;
}

.swot-strengths .swot-header {
    background-color: var(--color-black);
    color: var(--color-white);
}

.swot-weaknesses .swot-header {
    background-color: var(--color-gray-700);
    color: var(--color-white);
}

.swot-opportunities .swot-header {
    background-color: var(--color-gray-300);
    color: var(--color-black);
}

.swot-threats .swot-header {
    background-color: var(--color-gray-500);
    color: var(--color-white);
}

.swot-content {
    padding: var(--spacing-lg);
}

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

.swot-list li {
    padding-left: var(--spacing-md);
    position: relative;
    font-size: 0.9rem;
    color: var(--color-gray-700);
}

.swot-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    font-weight: 700;
    color: var(--color-black);
}

/* VC Cards */
.vc-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.vc-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: 12px;
    padding: var(--spacing-lg);
    position: relative;
    transition: all var(--transition-base);
}

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

.vc-rank {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 40px;
    height: 40px;
    background-color: var(--color-black);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.125rem;
}

.vc-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: var(--spacing-xs);
    padding-right: 50px;
}

.vc-location {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xs);
}

.vc-stage {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-md);
}

.vc-description {
    font-size: 0.9rem;
    color: var(--color-gray-700);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.vc-fit {
    padding: var(--spacing-md);
    background-color: var(--color-gray-50);
    border-left: 3px solid var(--color-black);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
}

.vc-fit strong {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--color-black);
}

.vc-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-black);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.875rem;
    transition: opacity var(--transition-fast);
}

.vc-link:hover {
    opacity: 0.7;
}

/* Strategy */
.strategy-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: var(--spacing-md);
}

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

.strategy-list li {
    padding-left: var(--spacing-md);
    position: relative;
    font-size: 0.9rem;
    color: var(--color-gray-700);
}

.strategy-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    font-weight: 700;
    color: var(--color-black);
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: var(--spacing-xl);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--color-gray-200);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-xl);
}

.timeline-marker {
    position: absolute;
    left: calc(-1 * var(--spacing-xl) - 12px);
    top: 0;
    width: 32px;
    height: 32px;
    background-color: var(--color-black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
}

.timeline-content {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: 12px;
    padding: var(--spacing-lg);
}

.timeline-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: var(--spacing-md);
}

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

.timeline-list li {
    padding-left: var(--spacing-md);
    position: relative;
    font-size: 0.9rem;
    color: var(--color-gray-700);
}

.timeline-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    font-weight: 700;
    color: var(--color-black);
}

/* Footer */
.footer {
    background-color: var(--color-black);
    color: var(--color-white);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-section p {
    font-size: 0.875rem;
    color: var(--color-gray-400);
    line-height: 1.6;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-gray-800);
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

/* Utilities */
.mt-32 {
    margin-top: 2rem;
}

.mt-48 {
    margin-top: 3rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .vc-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-stats,
    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .timeline {
        padding-left: var(--spacing-lg);
    }
    
    .timeline-marker {
        left: calc(-1 * var(--spacing-lg) - 12px);
    }
}

/* Print Styles */
@media print {
    .header,
    .footer {
        display: none;
    }
    
    .section {
        page-break-inside: avoid;
    }
}