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

:root {
    --primary-color: #ffffff;
    --secondary-color: #a1a1aa;
    --accent-color: #3b82f6;
    --success-color: #10b981;
    
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-tertiary: #1a1a1a;
    --bg-card: rgba(255, 255, 255, 0.03);
    
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    
    --border-color: rgba(255, 255, 255, 0.1);
    --border-hover: rgba(255, 255, 255, 0.2);
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 16px;
}

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

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: #0a0a0a;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(255, 255, 255, 0.02) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(255, 255, 255, 0.02) 0%, transparent 50%);
    padding: 0.75rem 0;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.nav .container {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 var(--space-lg);
    position: relative;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    position: absolute;
    left: var(--space-lg);
    z-index: 10;
}

.logo {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
}

.logo svg {
    width: 100%;
    height: 100%;
}

.brand-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: #ffffff;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 50px;
    padding: 0.4rem 1.2rem;
}

.nav-link {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
    white-space: nowrap;
}

.nav-link:hover {
    color: #ffffff;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.5rem 1rem;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.875rem;
}

.btn-primary {
    background: var(--primary-color);
    color: #000000;
}

.btn-primary:hover {
    background: #f3f4f6;
    color: #000000;
    transform: translateY(-1px);
}

/* Navigation specific button styling */
.nav .btn-primary {
    background: #ffffff;
    color: #000000;
}

.nav .btn-primary:hover {
    background: #f3f4f6;
    color: #000000;
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-hover);
}

.btn-medium {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
}

.btn-large {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

.btn-icon {
    width: 1rem;
    height: 1rem;
}

/* Hero Section */
.hero {
    padding: calc(var(--space-3xl) + 90px) var(--space-lg) var(--space-3xl);
    text-align: center;
    max-width: 1200px;
    margin: 0 auto;
}

.hero-content {
    max-width: 4xl;
    margin: 0 auto;
}

.hero-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 5rem;
    height: 5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    margin-bottom: var(--space-lg);
}

.hero-icon svg {
    width: 2.5rem;
    height: 2.5rem;
    color: var(--text-secondary);
}

.hero-title {
    font-size: clamp(3rem, 5vw, 3.75rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    align-items: center;
    margin-bottom: var(--space-md);
    flex-wrap: wrap;
}

.hero-note {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: var(--space-md);
}

.hero-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    transition: color 0.2s ease;
}

.hero-link:hover {
    color: var(--text-secondary);
}

.hero-link-icon {
    width: 1rem;
    height: 1rem;
}

/* Path Section */
.path-section {
    padding: var(--space-xl) 0;
    background: var(--bg-secondary);
}

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

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.path-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: var(--space-xl);
}

.path-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.path-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.path-description {
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.path-details {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    line-height: 1.6;
}

.path-features {
    margin-bottom: var(--space-lg);
}

.path-feature {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    color: var(--text-secondary);
}

.path-feature-icon {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--success-color);
    margin-top: 0.125rem;
    flex-shrink: 0;
}

.path-tools {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.tool-icon {
    width: 2rem;
    height: 2rem;
    color: var(--text-muted);
}

.tool-icon svg {
    width: 100%;
    height: 100%;
}

.path-supported {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-top: var(--space-md);
}

/* Trusted Section */
.trusted-section {
    padding: var(--space-xl) 0;
    text-align: center;
}

.trusted-title {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: var(--space-lg);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.trusted-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-xl);
    flex-wrap: wrap;
}

.trusted-logo {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.875rem;
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.trusted-logo:hover {
    opacity: 1;
}

/* Why Section */
.why-section {
    padding: var(--space-xl) 0;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
    text-align: left;
}

.why-item {
    text-align: center;
}

.why-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    color: var(--text-primary);
}

.why-features {
    text-align: left;
}

.why-feature {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
}

.why-feature-icon {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--success-color);
    margin-top: 0.125rem;
    flex-shrink: 0;
}

/* How Section */
.how-section {
    padding: var(--space-xl) 0 var(--space-lg);
    background: var(--bg-secondary);
}

.how-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
}

.how-item {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.how-icon {
    width: 3rem;
    height: 3rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
}

.how-icon svg {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--text-secondary);
}

.how-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.how-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

.how-note {
    text-align: center;
    margin-top: var(--space-lg);
    margin-bottom: 0;
}

.how-note p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* CTA Section */
.cta-section {
    padding: var(--space-xl) 0;
    background: var(--primary-color);
    color: white;
    text-align: center;
}

.cta-content {
    max-width: 4xl;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.cta-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-xl);
    line-height: 1.6;
}

.cta-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

.cta-section .btn-primary {
    background: white;
    color: var(--primary-color);
}

.cta-section .btn-primary:hover {
    background: var(--bg-secondary);
}

.cta-section .btn-secondary {
    background: transparent;
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

.cta-section .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Footer */
.footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: var(--space-xl) 0 var(--space-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 3fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-xl);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
}

.footer-logo svg {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--text-primary);
}

.footer-logo span {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

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

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-xl);
}

.footer-section h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.footer-link {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
    transition: color 0.2s ease;
}

.footer-link:hover {
    color: var(--text-primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-color);
    font-size: 0.875rem;
    color: var(--text-muted);
}

.footer-legal {
    display: flex;
    gap: var(--space-md);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .path-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
}

@media (max-width: 900px) {
    .nav-menu {
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav .container {
        justify-content: flex-start;
    }
    
    .nav-brand {
        position: static;
        left: auto;
    }
    
    .hero {
        padding: calc(var(--space-2xl) + 90px) var(--space-md) var(--space-2xl);
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .container {
        padding: 0 var(--space-md);
    }
    
    .why-grid {
        grid-template-columns: 1fr;
    }
    
    .how-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-actions .btn,
    .cta-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .path-card {
        padding: var(--space-lg);
    }
}

/* Animation for smooth interactions */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.path-card,
.how-item,
.why-item {
    animation: fadeInUp 0.6s ease-out;
}

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