*{box-sizing:border-box;margin:0;padding:0}:root{--primary-color:#4f46e5;--secondary-color:#10b981;--text-dark:#1f2937;--text-light:#6b7280;--bg-light:#f9fafb;--white:#fff;--shadow:0 4px 6px #0000001a;--shadow-lg:0 10px 25px #00000026}body{color:var(--text-dark);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;line-height:1.6}.container{max-width:1200px;margin:0 auto;padding:0 2rem}.header{background:var(--white);box-shadow:var(--shadow);z-index:100;position:sticky;top:0}.nav{justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;padding:1rem 2rem;display:flex}.logo{color:var(--primary-color);font-size:1.5rem;font-weight:700}.nav-menu{gap:2rem;list-style:none;display:flex}.nav-menu a{color:var(--text-dark);font-weight:500;text-decoration:none;transition:color .3s}.nav-menu a:hover{color:var(--primary-color)}.hero{background:linear-gradient(135deg,var(--primary-color)0%,#7c3aed 100%);color:var(--white);text-align:center;padding:8rem 2rem}.hero-content{max-width:800px;margin:0 auto}.hero-title{margin-bottom:1rem;font-size:3.5rem;font-weight:700;animation:.8s fadeInUp}.hero-subtitle{opacity:.95;margin-bottom:2rem;font-size:1.5rem;animation:1s fadeInUp}.hero-buttons{justify-content:center;gap:1rem;animation:1.2s fadeInUp;display:flex}.btn{border-radius:.5rem;padding:.875rem 2rem;font-weight:600;text-decoration:none;transition:all .3s;display:inline-block}.btn-primary{background:var(--white);color:var(--primary-color)}.btn-primary:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.btn-secondary{color:var(--white);border:2px solid var(--white);background:0 0}.btn-secondary:hover{background:var(--white);color:var(--primary-color)}.about,.features,.contact{padding:5rem 2rem}.about{background:var(--bg-light);text-align:center}.about h2,.features h2,.contact h2{color:var(--text-dark);margin-bottom:1.5rem;font-size:2.5rem}.about p{color:var(--text-light);max-width:700px;margin:0 auto;font-size:1.125rem}.features{text-align:center}.features-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-top:3rem;display:grid}.feature-card{background:var(--white);box-shadow:var(--shadow);border-radius:1rem;padding:2rem;transition:transform .3s,box-shadow .3s}.feature-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-5px)}.feature-icon{margin-bottom:1rem;font-size:3rem}.feature-card h3{color:var(--text-dark);margin-bottom:.75rem;font-size:1.5rem}.feature-card p{color:var(--text-light)}.contact{background:var(--bg-light);text-align:center}.contact p{color:var(--text-light);margin-bottom:2rem;font-size:1.125rem}.footer{background:var(--text-dark);color:var(--white);text-align:center;padding:2rem}.footer p{opacity:.8}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@media (max-width:768px){.nav-menu{gap:1rem}.hero-title{font-size:2.5rem}.hero-subtitle{font-size:1.25rem}.hero-buttons{flex-direction:column;align-items:center}.features-grid{grid-template-columns:1fr}.about h2,.features h2,.contact h2{font-size:2rem}}