*{box-sizing:border-box;padding:0;margin:0}body,html{max-width:100vw;overflow-x:hidden;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif}body{background:linear-gradient(135deg,#1a1a2e,#16213e);min-height:100vh;color:#fff}.container{max-width:1200px;margin:0 auto;padding:0 20px}.hero{text-align:center;padding:80px 20px}.hero h1{font-size:3.5rem;margin-bottom:20px;background:linear-gradient(90deg,#00d4ff,#7c3aed);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero p{font-size:1.25rem;color:#94a3b8;max-width:600px;margin:0 auto 40px}.voice-coach{background:hsla(0,0%,100%,.05);border-radius:20px;padding:40px;max-width:800px;margin:0 auto}.record-button{width:120px;height:120px;border-radius:50%;border:none;background:linear-gradient(135deg,#00d4ff,#7c3aed);cursor:pointer;display:flex;align-items:center;justify-content:center;margin:0 auto 30px;transition:all .3s ease;box-shadow:0 0 40px rgba(0,212,255,.3)}.record-button:hover{transform:scale(1.05);box-shadow:0 0 60px rgba(0,212,255,.5)}.record-button.recording{animation:pulse 1.5s infinite}@keyframes pulse{0%,to{box-shadow:0 0 40px rgba(0,212,255,.3)}50%{box-shadow:0 0 80px rgba(0,212,255,.6)}}.transcript{background:rgba(0,0,0,.3);border-radius:12px;padding:20px;min-height:150px;text-align:left;margin-bottom:30px;font-size:1.1rem;line-height:1.8}.transcript .filler{background:rgba(239,68,68,.3);padding:2px 6px;border-radius:4px;color:#fca5a5}.metrics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));grid-gap:20px;gap:20px;margin-top:30px}.metric-card{background:hsla(0,0%,100%,.05);border-radius:12px;padding:20px;text-align:center}.metric-value{font-size:2.5rem;font-weight:700;color:#00d4ff}.metric-label{color:#94a3b8;margin-top:8px}.features{padding:80px 20px}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));grid-gap:30px;gap:30px;margin-top:40px}.feature-card{background:hsla(0,0%,100%,.05);border-radius:16px;padding:30px}.feature-card h3{font-size:1.5rem;margin-bottom:15px;color:#00d4ff}.feature-card p{color:#94a3b8;line-height:1.6}.cta{text-align:center;padding:60px 20px}.cta-button{background:linear-gradient(90deg,#00d4ff,#7c3aed);color:#fff;border:none;padding:16px 40px;font-size:1.1rem;border-radius:30px;cursor:pointer;font-weight:600;transition:transform .2s}.cta-button:hover{transform:scale(1.05)}