:root{--primary-color: #3b82f6;--primary-dark: #2563eb;--primary-light: #60a5fa;--neutral-50: #f8fafc;--neutral-100: #f1f5f9;--neutral-200: #e2e8f0;--neutral-300: #cbd5e1;--neutral-600: #475569;--neutral-700: #334155;--neutral-800: #1e293b;--neutral-900: #0f172a;--text-primary: var(--neutral-900);--text-secondary: var(--neutral-600);--bg-primary: #ffffff;--bg-secondary: var(--neutral-50);--border-color: var(--neutral-200);--success-color: #10b981;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1);--spacing-unit: 8px;--container-max-width: 1200px;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;--transition-fast: .15s ease;--transition-base: .25s ease;--transition-slow: .35s ease}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:80px}body{font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:var(--text-primary);line-height:1.6;background-color:var(--bg-primary)}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2;color:var(--text-primary)}h1{font-size:clamp(2.5rem,5vw,3.5rem)}h2{font-size:clamp(2rem,4vw,2.75rem)}h3{font-size:clamp(1.5rem,3vw,2rem)}h4{font-size:1.25rem}p{color:var(--text-secondary);line-height:1.7}.app{min-height:100vh;display:flex;flex-direction:column}main{flex:1}.container{max-width:var(--container-max-width);margin:0 auto;padding:0 calc(var(--spacing-unit) * 3)}.header{background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border-color);box-shadow:var(--shadow-sm);position:sticky;top:0;z-index:1000;transition:box-shadow var(--transition-base)}.nav{max-width:var(--container-max-width);margin:0 auto;padding:calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 3);display:flex;justify-content:space-between;align-items:center}.nav-brand .logo{font-size:1.5rem;font-weight:800;color:var(--primary-color);text-decoration:none;transition:color var(--transition-fast)}.nav-brand .logo:hover{color:var(--primary-dark)}.nav-menu{display:flex;list-style:none;gap:calc(var(--spacing-unit) * 4);align-items:center}.nav-link{color:var(--text-primary);text-decoration:none;font-weight:500;font-size:.95rem;transition:color var(--transition-fast);position:relative}.nav-link:after{content:"";position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--primary-color);transition:width var(--transition-base)}.nav-link:hover{color:var(--primary-color)}.nav-link:hover:after{width:100%}.hero{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;text-align:center;padding:calc(var(--spacing-unit) * 15) calc(var(--spacing-unit) * 3);position:relative;overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background:url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="white" stroke-width="0.5" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');opacity:.3}.hero-content{position:relative;z-index:1;max-width:800px;margin:0 auto}.hero-title{color:#fff;margin-bottom:calc(var(--spacing-unit) * 2);font-weight:800}.hero-subtitle{font-size:clamp(1.1rem,2vw,1.35rem);color:#fffffff2;margin-bottom:calc(var(--spacing-unit) * 4);line-height:1.6}.hero-cta{display:flex;gap:calc(var(--spacing-unit) * 2);justify-content:center;flex-wrap:wrap}.btn{display:inline-block;padding:calc(var(--spacing-unit) * 1.75) calc(var(--spacing-unit) * 4);border-radius:calc(var(--spacing-unit) * 1);font-weight:600;font-size:1rem;text-decoration:none;border:none;cursor:pointer;transition:all var(--transition-base);font-family:inherit}.btn-primary{background:#fff;color:var(--primary-color);box-shadow:var(--shadow-md)}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-secondary{background:transparent;color:#fff;border:2px solid white}.btn-secondary:hover{background:#fff;color:var(--primary-color)}.features{padding:calc(var(--spacing-unit) * 12) 0;background:var(--bg-secondary)}.section-title{text-align:center;margin-bottom:calc(var(--spacing-unit) * 2)}.section-subtitle{text-align:center;font-size:1.15rem;margin-bottom:calc(var(--spacing-unit) * 6);max-width:600px;margin-left:auto;margin-right:auto}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:calc(var(--spacing-unit) * 4);margin-top:calc(var(--spacing-unit) * 6)}.feature-card{background:#fff;padding:calc(var(--spacing-unit) * 4);border-radius:calc(var(--spacing-unit) * 2);box-shadow:var(--shadow-md);transition:all var(--transition-base);text-align:center}.feature-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-xl)}.feature-icon{font-size:3rem;margin-bottom:calc(var(--spacing-unit) * 2);display:block}.feature-title{margin-bottom:calc(var(--spacing-unit) * 1.5);color:var(--text-primary)}.feature-description{line-height:1.7}.about{padding:calc(var(--spacing-unit) * 12) 0}.about-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:calc(var(--spacing-unit) * 6);align-items:center}.about-image{border-radius:calc(var(--spacing-unit) * 2);overflow:hidden;box-shadow:var(--shadow-lg)}.about-image img{width:100%;height:auto;display:block;object-fit:cover;aspect-ratio:4/3}.about-text h2{margin-bottom:calc(var(--spacing-unit) * 3)}.about-text p{margin-bottom:calc(var(--spacing-unit) * 2);font-size:1.05rem}.about-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:calc(var(--spacing-unit) * 3);margin-top:calc(var(--spacing-unit) * 4)}.stat{text-align:center}.stat-number{font-size:2.5rem;font-weight:800;color:var(--primary-color);display:block;margin-bottom:calc(var(--spacing-unit) * .5)}.stat-label{color:var(--text-secondary);font-size:.9rem}.testimonials{padding:calc(var(--spacing-unit) * 12) 0;background:var(--bg-secondary)}.testimonials-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:calc(var(--spacing-unit) * 4);margin-top:calc(var(--spacing-unit) * 6)}.testimonial-card{background:#fff;padding:calc(var(--spacing-unit) * 4);border-radius:calc(var(--spacing-unit) * 2);box-shadow:var(--shadow-md);transition:all var(--transition-base)}.testimonial-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.testimonial-quote{position:relative;margin-bottom:calc(var(--spacing-unit) * 3)}.quote-icon{font-size:4rem;color:var(--primary-light);opacity:.2;position:absolute;top:-20px;left:-10px;line-height:1}.testimonial-quote p{position:relative;font-style:italic;font-size:1.05rem;line-height:1.7;padding-left:calc(var(--spacing-unit) * 2)}.testimonial-author{display:flex;align-items:center;gap:calc(var(--spacing-unit) * 2);padding-top:calc(var(--spacing-unit) * 2);border-top:1px solid var(--border-color)}.author-name{font-weight:600;color:var(--text-primary)}.author-role{font-size:.9rem;color:var(--text-secondary)}.contact{padding:calc(var(--spacing-unit) * 12) 0}.contact-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:calc(var(--spacing-unit) * 6);margin-top:calc(var(--spacing-unit) * 6)}.contact-info{display:flex;flex-direction:column;gap:calc(var(--spacing-unit) * 3)}.info-item{display:flex;gap:calc(var(--spacing-unit) * 2);align-items:flex-start}.info-icon{font-size:1.5rem;flex-shrink:0}.info-text h4{margin-bottom:calc(var(--spacing-unit) * .5);color:var(--text-primary)}.info-text p{color:var(--text-secondary)}.contact-form-wrapper{background:var(--bg-secondary);padding:calc(var(--spacing-unit) * 4);border-radius:calc(var(--spacing-unit) * 2);box-shadow:var(--shadow-md)}.contact-form{display:flex;flex-direction:column;gap:calc(var(--spacing-unit) * 3)}.form-group{display:flex;flex-direction:column;gap:calc(var(--spacing-unit) * 1)}.form-group label{font-weight:600;color:var(--text-primary);font-size:.95rem}.form-group input,.form-group textarea{padding:calc(var(--spacing-unit) * 1.5);border:2px solid var(--border-color);border-radius:calc(var(--spacing-unit) * 1);font-size:1rem;font-family:inherit;transition:all var(--transition-fast);background:#fff}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #3b82f61a}.contact-form .btn-primary{margin-top:calc(var(--spacing-unit) * 1);background:var(--primary-color);color:#fff}.contact-form .btn-primary:hover{background:var(--primary-dark)}.success-message{text-align:center;padding:calc(var(--spacing-unit) * 4);background:linear-gradient(135deg,#667eea,#764ba2);border-radius:calc(var(--spacing-unit) * 2);color:#fff}.success-icon{font-size:3rem;display:block;margin-bottom:calc(var(--spacing-unit) * 2)}.success-message h3{color:#fff;margin-bottom:calc(var(--spacing-unit) * 1)}.success-message p{color:#ffffffe6}.footer{background:var(--neutral-900);color:var(--neutral-300);padding:calc(var(--spacing-unit) * 8) 0 calc(var(--spacing-unit) * 3)}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:calc(var(--spacing-unit) * 4);margin-bottom:calc(var(--spacing-unit) * 4)}.footer-section h3{color:#fff;margin-bottom:calc(var(--spacing-unit) * 2)}.footer-section h4{color:#fff;margin-bottom:calc(var(--spacing-unit) * 2);font-size:1rem}.footer-section p{color:var(--neutral-300);line-height:1.7}.footer-links{list-style:none;display:flex;flex-direction:column;gap:calc(var(--spacing-unit) * 1)}.footer-links a{color:var(--neutral-300);text-decoration:none;transition:color var(--transition-fast)}.footer-links a:hover{color:#fff}.social-links{display:flex;gap:calc(var(--spacing-unit) * 2)}.social-link{width:40px;height:40px;background:var(--neutral-800);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;text-decoration:none;font-weight:600;transition:all var(--transition-fast)}.social-link:hover{background:var(--primary-color);transform:translateY(-2px)}.footer-bottom{text-align:center;padding-top:calc(var(--spacing-unit) * 3);border-top:1px solid var(--neutral-800)}.footer-bottom p{color:var(--neutral-300);font-size:.9rem}@media(max-width:768px){.nav{flex-direction:column;gap:calc(var(--spacing-unit) * 2)}.nav-menu{gap:calc(var(--spacing-unit) * 2);flex-wrap:wrap;justify-content:center}.hero{padding:calc(var(--spacing-unit) * 10) calc(var(--spacing-unit) * 3)}.hero-cta{flex-direction:column;align-items:stretch}.btn{width:100%}.features-grid,.testimonials-grid,.about-content,.about-stats,.contact-content{grid-template-columns:1fr}.footer-content{grid-template-columns:1fr;text-align:center}.social-links{justify-content:center}}@media(max-width:480px){html{font-size:14px}.nav-menu{font-size:.9rem}}.text-center{text-align:center}.mt-1{margin-top:calc(var(--spacing-unit) * 1)}.mt-2{margin-top:calc(var(--spacing-unit) * 2)}.mt-3{margin-top:calc(var(--spacing-unit) * 3)}.mt-4{margin-top:calc(var(--spacing-unit) * 4)}.mb-1{margin-bottom:calc(var(--spacing-unit) * 1)}.mb-2{margin-bottom:calc(var(--spacing-unit) * 2)}.mb-3{margin-bottom:calc(var(--spacing-unit) * 3)}.mb-4{margin-bottom:calc(var(--spacing-unit) * 4)}