*{margin:0;padding:0;box-sizing:border-box}html,body{background:#1a1d2e;color:#e0e0e0;font-family:'Poppins',sans-serif;line-height:1.6}.app{max-width:1000px;margin:0 auto;padding:3rem 2rem;min-height:100vh}.header{text-align:center;margin-bottom:4rem}.title{font-family:'JetBrains Mono',monospace;font-size:3rem;font-weight:700;color:#fff;margin-bottom:0.5rem}.description{color:#999;font-size:0.95rem}.platform{margin:3rem 0}.platform h2{font-size:1.8rem;margin-bottom:2rem;color:#fff}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:2rem}.feature-item{background:#272a3a;padding:2rem;border:1px solid #3a3d4d;border-radius:4px;transition:all 300ms}.feature-item:hover{border-color:#5588dd;background:#2d3040}.feature-item h3{color:#7caeff;margin-bottom:0.5rem;font-size:1.1rem}.feature-item p{color:#999;font-size:0.9rem}.action{text-align:center;margin:3rem 0}.cta-btn{padding:1rem 2.5rem;background:#5588dd;color:#fff;border:none;font-weight:700;font-size:1rem;cursor:pointer;transition:all 300ms;border-radius:4px}.cta-btn:hover{background:#7caeff;transform:translateY(-2px)}@media(max-width:768px){.title{font-size:2rem}.features{grid-template-columns:1fr}}