:root{--color-primary: #000000;--color-secondary: #1a1a1a;--color-accent: #000000;--color-text: #000000;--color-text-secondary: #666666;--color-text-light: #999999;--color-background: #ffffff;--color-surface: #fafafa;--color-border: #e0e0e0;--font-primary: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: "Geist Mono", "Courier New", monospace;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--spacing-3xl: 4rem;--spacing-4xl: 6rem;--radius-sm: .25rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-base: .3s cubic-bezier(.4, 0, .2, 1);--transition-slow: .5s cubic-bezier(.4, 0, .2, 1);--container-max-width: 1200px;--header-height: 80px;--footer-height: 60px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-primary);font-size:1rem;line-height:1.6;color:var(--color-text);background-color:var(--color-background);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2;margin-bottom:var(--spacing-md)}h1{font-size:3rem;font-weight:700;letter-spacing:-.02em}h2{font-size:2rem;letter-spacing:-.01em}h3{font-size:1.5rem}h4{font-size:1.25rem}p{margin-bottom:var(--spacing-md)}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-accent);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}code,pre{font-family:var(--font-mono);background-color:var(--color-surface);padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-sm);font-size:.9em}pre{padding:var(--spacing-md);overflow-x:auto;margin-bottom:var(--spacing-md);border:1px solid var(--color-border)}.container{max-width:var(--container-max-width);margin:0 auto;padding:0 var(--spacing-lg)}.header{position:fixed;top:0;left:0;right:0;background-color:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--color-border);z-index:1000;transition:all var(--transition-base)}.nav{height:var(--header-height);display:flex;align-items:center;justify-content:space-between}.logo{font-size:1.5rem;font-weight:700;letter-spacing:-.01em;display:flex;align-items:center;gap:var(--spacing-sm)}.logo-mark{width:32px;height:32px;display:flex;align-items:center;justify-content:center;background-color:var(--color-primary);color:#fff;border-radius:var(--radius-md);font-size:1.25rem}.nav-links{display:flex;list-style:none;gap:var(--spacing-xl);align-items:center}.nav-links a{font-weight:500;transition:opacity var(--transition-fast)}.nav-links a:hover{opacity:.7}.nav-cta{padding:var(--spacing-sm) var(--spacing-lg);background-color:var(--color-primary);color:#fff!important;border-radius:var(--radius-md);transition:all var(--transition-fast)}.nav-cta:hover{text-decoration:none;background-color:var(--color-secondary);transform:translateY(-1px)}.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;padding-top:var(--header-height);position:relative;background:linear-gradient(135deg,var(--color-background) 0%,var(--color-surface) 100%);overflow:hidden}.hero-content{max-width:800px;text-align:center;position:relative;z-index:2;animation:fadeInUp 1s ease-out}.hero-badge{display:inline-block;padding:var(--spacing-sm) var(--spacing-md);background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);font-size:.875rem;font-weight:500;margin-bottom:var(--spacing-lg);color:var(--color-text-secondary)}.hero h1{font-size:4rem;margin-bottom:var(--spacing-lg);letter-spacing:-.02em}.hero h1 .gradient-text{background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-secondary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-description{font-size:1.25rem;color:var(--color-text-secondary);margin-bottom:var(--spacing-2xl);line-height:1.8;max-width:600px;margin-left:auto;margin-right:auto}.hero-cta-group{display:flex;gap:var(--spacing-md);justify-content:center;margin-bottom:var(--spacing-3xl)}.btn-primary,.btn-secondary{padding:var(--spacing-md) var(--spacing-xl);border-radius:var(--radius-md);font-weight:600;transition:all var(--transition-base);border:none;cursor:pointer;font-size:1rem}.btn-primary{background-color:var(--color-primary);color:#fff;box-shadow:var(--shadow-md)}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-xl)}.btn-secondary{background-color:transparent;color:var(--color-primary);border:2px solid var(--color-border)}.btn-secondary:hover{background-color:var(--color-surface);border-color:var(--color-primary)}.features{padding:var(--spacing-4xl) 0;background-color:var(--color-background)}.section-header{text-align:center;margin-bottom:var(--spacing-3xl);animation:fadeInUp .8s ease-out}.section-title{font-size:2.5rem;margin-bottom:var(--spacing-md)}.section-subtitle{font-size:1.125rem;color:var(--color-text-secondary);max-width:600px;margin:0 auto;line-height:1.8}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--spacing-2xl)}.feature-card{padding:var(--spacing-xl);background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);transition:all var(--transition-base);animation:fadeInUp .8s ease-out}.feature-card:hover{transform:translateY(-4px);border-color:var(--color-primary);box-shadow:var(--shadow-lg)}.feature-icon{width:48px;height:48px;background-color:var(--color-primary);color:#fff;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;margin-bottom:var(--spacing-md);font-size:1.5rem}.feature-card h3{font-size:1.5rem;margin-bottom:var(--spacing-md)}.feature-card p{color:var(--color-text-secondary);line-height:1.8}.how-it-works{padding:var(--spacing-4xl) 0;background-color:var(--color-surface)}.steps-container{max-width:900px;margin:0 auto}.step{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-3xl);align-items:center;margin-bottom:var(--spacing-4xl);animation:fadeInUp .8s ease-out}.step-content h3{font-size:2rem;margin-bottom:var(--spacing-md)}.step-content p{font-size:1.125rem;color:var(--color-text-secondary);line-height:1.8;margin-bottom:var(--spacing-lg)}.step-number{display:inline-flex;align-items:center;justify-content:center;width:60px;height:60px;background-color:var(--color-primary);color:#fff;border-radius:50%;font-weight:700;font-size:1.5rem;margin-bottom:var(--spacing-md)}.step-image{background-color:var(--color-background);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--spacing-xl);min-height:250px;display:flex;align-items:center;justify-content:center}.step-diagram{width:100%;height:auto;max-width:400px}.step:nth-child(2n) .step-content{order:2}.step:nth-child(2n) .step-image{order:1}.architecture{padding:var(--spacing-4xl) 0;background-color:var(--color-background)}.architecture-diagram{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--spacing-2xl);margin-bottom:var(--spacing-3xl);animation:fadeInUp .8s ease-out;min-height:400px;display:flex;align-items:center;justify-content:center}.architecture-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--spacing-xl)}.architecture-item{padding:var(--spacing-xl);background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);transition:all var(--transition-base);animation:fadeInUp .8s ease-out}.architecture-item:hover{border-color:var(--color-primary);box-shadow:var(--shadow-md)}.architecture-item h4{font-size:1.25rem;margin-bottom:var(--spacing-md);color:var(--color-primary)}.architecture-item p{color:var(--color-text-secondary);line-height:1.8}.code-example{padding:var(--spacing-4xl) 0;background-color:var(--color-surface)}.example-container{max-width:800px;margin:0 auto;animation:fadeInUp .8s ease-out}.benefits{padding:var(--spacing-4xl) 0;background-color:var(--color-background)}.benefits-list{max-width:800px;margin:0 auto;list-style:none}.benefit-item{display:flex;align-items:flex-start;gap:var(--spacing-lg);margin-bottom:var(--spacing-2xl);animation:fadeInUp .8s ease-out}.benefit-icon{flex-shrink:0;width:40px;height:40px;background-color:var(--color-primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;margin-top:var(--spacing-xs)}.benefit-content h4{font-size:1.5rem;margin-bottom:var(--spacing-sm)}.benefit-content p{color:var(--color-text-secondary);line-height:1.8}.faq{padding:var(--spacing-4xl) 0;background-color:var(--color-surface)}.faq-item{max-width:800px;margin:0 auto var(--spacing-lg);background-color:var(--color-background);border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden;transition:all var(--transition-base);animation:fadeInUp .8s ease-out}.faq-question{width:100%;padding:var(--spacing-lg);background:none;border:none;text-align:left;font-size:1.125rem;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:background-color var(--transition-fast)}.faq-question:hover{background-color:var(--color-surface)}.faq-answer{max-height:0;overflow:hidden;transition:max-height var(--transition-slow),padding var(--transition-slow)}.faq-answer.active{max-height:300px;padding:0 var(--spacing-lg) var(--spacing-lg)}.faq-icon{width:24px;height:24px;border-radius:50%;background-color:var(--color-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:.875rem;transition:transform var(--transition-base)}.faq-answer.active .faq-icon{transform:rotate(135deg)}.footer{background-color:var(--color-primary);color:#fff;padding:var(--spacing-3xl) 0 var(--spacing-lg)}.footer-content{display:grid;grid-template-columns:2fr 1fr 1fr;gap:var(--spacing-3xl);margin-bottom:var(--spacing-3xl)}.footer-brand{animation:fadeInUp .8s ease-out}.footer-logo{font-size:1.5rem;font-weight:700;margin-bottom:var(--spacing-md);display:flex;align-items:center;gap:var(--spacing-sm)}.footer-tagline{color:#ffffffb3;margin-bottom:var(--spacing-xl);line-height:1.8}.social-links{display:flex;gap:var(--spacing-md)}.social-links a{color:#fff;text-decoration:none;transition:opacity var(--transition-fast)}.social-links a:hover{opacity:.7}.footer-section h4{margin-bottom:var(--spacing-lg);font-size:1.125rem}.footer-links{list-style:none;animation:fadeInUp .8s ease-out}.footer-links li{margin-bottom:var(--spacing-md)}.footer-links a{color:#ffffffb3;text-decoration:none;transition:opacity var(--transition-fast)}.footer-links a:hover{opacity:.7;color:#fff}.footer-bottom{padding-top:var(--spacing-2xl);border-top:1px solid rgba(255,255,255,.1);text-align:center;color:#ffffff80;font-size:.875rem;animation:fadeInUp .8s ease-out}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 768px){:root{--header-height: 60px}h1{font-size:2rem}h2{font-size:1.5rem}.nav-links{gap:var(--spacing-md)}.hero h1{font-size:2.5rem}.hero-description{font-size:1rem}.hero-cta-group{flex-direction:column}.features-grid{grid-template-columns:1fr}.step{grid-template-columns:1fr;gap:var(--spacing-xl)}.step:nth-child(2n) .step-content,.step:nth-child(2n) .step-image{order:initial}.footer-content{grid-template-columns:1fr;gap:var(--spacing-2xl)}}@media (max-width: 480px){.nav-links{display:none}.hero h1{font-size:2rem}.hero-cta-group{flex-direction:column}}