:root{--primary-color: #6366f1;--primary-dark: #4f46e5;--secondary-color: #8b5cf6;--text-dark: #1f2937;--text-light: #6b7280;--bg-light: #f9fafb;--bg-white: #ffffff;--border-color: #e5e7eb;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6;color:var(--text-dark);background-color:var(--bg-white)}.container{max-width:1200px;margin:0 auto;padding:0 20px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 24px;border:none;border-radius:8px;font-size:16px;font-weight:600;text-decoration:none;cursor:pointer;transition:all .3s ease;text-align:center}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover{background-color:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-md)}.btn-secondary{background-color:transparent;color:var(--text-dark);border:2px solid var(--border-color)}.btn-secondary:hover{background-color:var(--bg-light)}.nav{background-color:var(--bg-white);box-shadow:var(--shadow-sm);position:fixed;top:0;width:100%;z-index:1000}.nav-container{display:flex;align-items:center;justify-content:space-between;padding:1rem 20px;max-width:1200px;margin:0 auto}.nav-logo{font-size:24px;font-weight:700;color:var(--primary-color)}.nav-menu{display:flex;gap:2rem;list-style:none}.nav-menu a{text-decoration:none;color:var(--text-dark);font-weight:500;transition:color .3s ease}.nav-menu a:hover{color:var(--primary-color)}.hero{padding:120px 0 80px;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff;text-align:center}.hero-container{max-width:800px;margin:0 auto;padding:0 20px}.hero h1{font-size:3.5rem;font-weight:700;margin-bottom:1rem;line-height:1.2}.hero p{font-size:1.25rem;margin-bottom:2rem;opacity:.9}.features{padding:80px 0;background-color:var(--bg-light)}.features h2{text-align:center;font-size:2.5rem;margin-bottom:3rem;color:var(--text-dark)}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-top:3rem}.feature-card{background-color:var(--bg-white);padding:2rem;border-radius:12px;box-shadow:var(--shadow-sm);transition:transform .3s ease,box-shadow .3s ease}.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}.feature-icon{width:64px;height:64px;background-color:var(--primary-color);border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:1.5rem;color:#fff;font-size:24px}.feature-card h3{font-size:1.25rem;margin-bottom:1rem;color:var(--text-dark)}.feature-card p{color:var(--text-light);line-height:1.6}.cta{padding:60px 0;background-color:var(--primary-color);color:#fff;text-align:center}.cta h2{font-size:2.5rem;margin-bottom:1rem}.cta p{font-size:1.125rem;margin-bottom:2rem;opacity:.9}.footer{padding:40px 0;background-color:var(--text-dark);color:#fff;text-align:center}.footer p{opacity:.7}@media (max-width: 768px){.hero h1{font-size:2.5rem}.nav-menu{display:none}.features h2,.cta h2{font-size:2rem}}