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

:root {
    /* Colors */
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: #60a5fa;
    --secondary: #8b5cf6;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--gray-800);
    line-height: 1.6;
    background-color: #fff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--gray-900);
    text-decoration: none;
}

.logo-icon {
    font-size: 1.5rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-links a {
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: color 0.2s;
}

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

/* Buttons */
.btn-primary {
    background: var(--primary);
    color: white;
    padding: 0.625rem 1.25rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 0.9375rem;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

/* Hero Section */
.hero {
    padding: 8rem var(--spacing-md) 6rem;
    background: linear-gradient(135deg, #f9fafb 0%, #ffffff 100%);
    margin-top: 4rem;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.hero-highlight {
    display: block;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.btn-hero-primary {
    background: var(--primary);
    color: white;
    padding: 1rem 2rem;
    border-radius: 0.75rem;
    font-weight: 600;
    font-size: 1.125rem;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-hero-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
}

.btn-hero-secondary {
    background: white;
    color: var(--gray-700);
    padding: 1rem 2rem;
    border-radius: 0.75rem;
    font-weight: 600;
    font-size: 1.125rem;
    transition: all 0.2s;
    text-decoration: none;
    border: 2px solid var(--gray-200);
}

.btn-hero-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-icon {
    font-size: 1.5rem;
    transition: transform 0.2s;
}

.btn-hero-primary:hover .btn-icon {
    transform: translateX(4px);
}

.hero-trust {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

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

/* Hero Visual */
.visual-card {
    background: white;
    border-radius: 1rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.visual-header {
    background: var(--gray-100);
    padding: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.visual-dots {
    display: flex;
    gap: 0.375rem;
}

.visual-dots span {
    width: 0.75rem;
    height: 0.75rem;
    border-radius: 50%;
    background: var(--gray-300);
}

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

.visual-content {
    padding: var(--spacing-xl);
    background: white;
}

.org-tree {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
}

.org-node {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 0.875rem;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.org-node.ceo {
    background: linear-gradient(135deg, var(--secondary) 0%, #7c3aed 100%);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.org-branch {
    display: flex;
    gap: var(--spacing-sm);
}

.org-subbranch {
    display: flex;
    gap: 0.5rem;
}

.org-mini {
    width: 2rem;
    height: 2rem;
    background: var(--gray-200);
    border-radius: 0.25rem;
}

/* Features Section */
.features {
    padding: var(--spacing-2xl) var(--spacing-md);
    background: white;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    padding: var(--spacing-xl);
    background: var(--gray-50);
    border-radius: 1rem;
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* How It Works Section */
.how-it-works {
    padding: var(--spacing-2xl) var(--spacing-md);
    background: linear-gradient(135deg, #f9fafb 0%, #ffffff 100%);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
}

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

.step-number {
    flex-shrink: 0;
    width: 3rem;
    height: 3rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
}

.step-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
}

.step-content p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* Pricing Section */
.pricing {
    padding: var(--spacing-2xl) var(--spacing-md);
    background: white;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--gray-50);
    border-radius: 1rem;
    padding: var(--spacing-xl);
    position: relative;
    border: 2px solid transparent;
    transition: all 0.3s;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.pricing-featured {
    background: linear-gradient(135deg, #f9fafb 0%, #ffffff 100%);
    border-color: var(--primary);
}

.pricing-badge {
    display: inline-block;
    padding: 0.375rem 0.875rem;
    background: var(--success);
    color: white;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: var(--spacing-sm);
}

.pricing-badge.featured {
    background: var(--primary);
}

.pricing-card h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.pricing-price {
    margin-bottom: var(--spacing-lg);
}

.price-amount {
    font-size: 3rem;
    font-weight: 800;
    color: var(--gray-900);
}

.price-period {
    color: var(--gray-600);
    font-size: 1rem;
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.pricing-features li {
    padding: var(--spacing-xs) 0;
    color: var(--gray-700);
    line-height: 1.6;
}

.btn-pricing {
    display: block;
    width: 100%;
    padding: 1rem;
    background: var(--primary);
    color: white;
    text-align: center;
    border-radius: 0.75rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
}

.btn-pricing:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* CTA Section */
.cta {
    padding: var(--spacing-2xl) var(--spacing-md);
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
}

.cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: white;
    margin-bottom: var(--spacing-sm);
}

.cta-content p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
}

.btn-cta {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: white;
    color: var(--primary);
    border-radius: 0.75rem;
    font-weight: 700;
    font-size: 1.125rem;
    text-decoration: none;
    transition: all 0.2s;
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: var(--spacing-2xl) var(--spacing-md) var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto var(--spacing-xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 700;
    font-size: 1.25rem;
    color: white;
    margin-bottom: var(--spacing-sm);
}

.footer-tagline {
    color: var(--gray-400);
    font-size: 0.875rem;
}

.footer-column h4 {
    color: white;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.footer-column a {
    display: block;
    color: var(--gray-400);
    text-decoration: none;
    margin-bottom: var(--spacing-xs);
    transition: color 0.2s;
}

.footer-column a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-800);
    color: var(--gray-500);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        gap: var(--spacing-sm);
    }
    
    .nav-links a:not(.btn-primary) {
        display: none;
    }
    
    .hero {
        padding: 5rem var(--spacing-md) 3rem;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .hero-visual {
        order: -1;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .features-grid,
    .steps,
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
}