body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:linear-gradient(135deg,#1e3c72,#2a5298);min-height:100vh;color:#fff}.container{max-width:1200px;margin:0 auto;padding:2rem;position:relative;z-index:10}.hero{text-align:center;margin-bottom:4rem}.hero h1{font-size:4rem;margin-bottom:1rem;text-shadow:2px 2px 4px rgba(0,0,0,.3)}.hero p{font-size:1.5rem;opacity:.9;margin-bottom:2rem}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-bottom:4rem}.feature-card{background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:16px;padding:2rem;border:1px solid rgba(255,255,255,.2)}.feature-card h3{font-size:1.5rem;margin-bottom:1rem}.buttons{display:flex;gap:1rem;flex-wrap:wrap;justify-content:center;margin:2rem 0}.btn{padding:1rem 2rem;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;text-decoration:none;display:inline-block}.btn-primary{background:#ff6b6b;color:#fff}.btn-secondary{background:#4ecdc4;color:#fff}.btn-outline{background:transparent;color:#fff;border:2px solid white}.controls{background:#0000004d;border-radius:12px;padding:2rem;margin-bottom:2rem;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.control-group{margin-bottom:1rem;display:flex;align-items:center;flex-wrap:wrap}.control-group label{display:flex;align-items:center;font-weight:600;min-width:200px}.control-group select,.control-group input[type=checkbox]{margin-left:1rem}.control-group select{padding:.5rem;border-radius:4px;border:none;background:#ffffffe6;color:#333}@media (max-width: 768px){.hero h1{font-size:2.5rem}.hero p{font-size:1.2rem}.buttons{flex-direction:column;align-items:center}.btn{width:200px}.control-group{flex-direction:column;align-items:flex-start}.control-group label{min-width:auto}.control-group select,.control-group input[type=checkbox]{margin-left:0;margin-top:.5rem}}