:root{color-scheme:light;font-family:Segoe UI,Arial,sans-serif;color:#111;background:#f3f0eb}*{box-sizing:border-box}body{margin:0}button,textarea{font:inherit}button{border:0;border-radius:0;padding:.75rem 1rem;background:#111;color:#fff;cursor:pointer;font-weight:700}button.primary{background:#ff7900;color:#111;font-weight:700}button:hover{filter:brightness(1.05)}textarea{width:100%;border:1px solid #d6d0c8;border-radius:.75rem;padding:.8rem;resize:vertical}.shell{width:min(1280px,100%);margin:0 auto;padding:1.25rem}.brand-strip{display:grid;grid-template-columns:auto 1fr auto;gap:1rem;align-items:center;background:#111;color:#fff;padding:.85rem 1rem;margin-bottom:1rem;border-radius:1.25rem}.helios-wordmark{background:#ff7900;color:#111;font-size:1.35rem;font-weight:800;letter-spacing:-.02em;padding:.7rem .9rem}.helios-wordmark.brand-logo{background:#fff;padding:.4rem .6rem;border-radius:.6rem;display:flex;align-items:center}.helios-wordmark.brand-logo img{height:2.1rem;width:auto;display:block}.brand-strip strong,.brand-strip span,.brand-strip small{display:block}.brand-strip span,.brand-strip small{color:#f5f3ef}.hero{display:grid;grid-template-columns:1fr auto;gap:1rem;align-items:center;margin-bottom:1rem}.eyebrow{color:#ff7900;font-weight:700;letter-spacing:.04em;text-transform:uppercase}h1,h2,p{margin-top:0}h1{font-size:clamp(2rem,5vw,4.5rem);margin-bottom:.25rem}.lede{font-size:1.1rem;max-width:48rem}.grid{display:grid;grid-template-columns:minmax(320px,.9fr) minmax(320px,1.1fr);gap:1rem;margin-bottom:1rem}.panel,.status-card{background:#fff;border:1px solid #ded8d0;border-radius:1rem;box-shadow:0 10px 25px #11111114}.panel{padding:1rem}.status-card{display:flex;align-items:center;gap:.75rem;padding:.8rem 1rem;min-width:18rem}.status-card small{display:block;color:#6f665f;margin-top:.2rem}.dot{width:.85rem;height:.85rem;border-radius:50%;background:#a09a94}.dot.ready{background:#15803d}.dot.warn{background:#d97706}.dot.error{background:#dc2626}.avatar-frame{position:relative;min-height:540px;border-radius:.75rem;overflow:hidden;background:linear-gradient(180deg,#ff7900,#111 68%)}.avatar-frame video,.mock-avatar{width:100%;height:100%;min-height:540px}.avatar-frame video{position:absolute;top:0;right:0;bottom:0;left:0;object-fit:cover;z-index:2}.mock-avatar{display:grid;place-items:center;align-content:center;color:#fff;text-align:center;padding:2rem}.mock-avatar p{font-size:1.5rem;font-weight:800}.face{width:11rem;height:11rem;border-radius:1.2rem;background:linear-gradient(135deg,#ff7900,#ffb267 45%,#fff 45%,#fff 56%,#111 56%);box-shadow:0 1rem 4rem #ff79008c}.button-row{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:.9rem}.main-actions{gap:.8rem}.main-actions .primary{font-size:1.05rem;padding:.95rem 1.2rem}.guided-demo-card{border:2px solid #ff7900;border-radius:1rem;margin-top:1rem;padding:1rem;background:#fff7ed}.guided-demo-card h2,.guided-demo-card p,.guided-demo-card ol{margin:.45rem 0}.guided-demo-card ol{padding-left:1.4rem}.guided-demo-card li{margin:.25rem 0}.pill{display:inline-block;border-radius:999px;padding:.25rem .6rem;background:#111;color:#fff;font-size:.8rem;font-weight:800;letter-spacing:.02em;text-transform:uppercase}.helper-text{border-left:4px solid #ff7900;padding-left:.75rem;color:#4b4038}.fallback-controls{border:1px solid #e7e0d8;border-radius:1rem;margin-top:1rem;padding:.9rem;background:#f8fafc}.fallback-controls summary{cursor:pointer;font-weight:800}.fallback-controls p{margin:.65rem 0 0;color:#6f665f}.manual-fallback-details label{display:block;margin-top:.8rem;font-weight:700}.tester-guide{align-self:start}.guide-steps{display:grid;gap:.75rem;margin-top:1rem}.guide-steps article,.explainer-box{border:1px solid #e7e0d8;border-radius:.9rem;padding:.85rem;background:#fffaf5}.guide-steps p,.explainer-box p{margin:.35rem 0 0}.explainer-box{margin-top:1rem;background:#f8fafc}.live-status{border:1px solid #fed7aa;border-radius:.9rem;margin-top:.9rem;padding:.85rem;background:#fff7ed}.live-status.ready{border-color:#86efac;background:#f0fdf4}.live-status.error{border-color:#fca5a5;background:#fef2f2}.live-status p{margin:.35rem 0 0}.response{margin-top:1rem;border-left:4px solid #ff7900;padding-left:.8rem;min-height:3rem}.guardrail-box,.source-panel{border-radius:.9rem;margin-top:1rem;padding:.85rem}.guardrail-box{border:1px solid #d6d0c8;background:#f8fafc}.guardrail-box.allowed{border-color:#86efac;background:#f0fdf4}.guardrail-box.handoff{border-color:#fbbf24;background:#fffbeb}.guardrail-box.out-of-scope{border-color:#fca5a5;background:#fef2f2}.guardrail-box.empty{display:none}.guardrail-box p,.guardrail-box ul{margin:.4rem 0 0}.source-panel{background:#111;color:#fff}.source-panel a{color:#ffb267}.source-list,.knowledge-list{display:grid;gap:.6rem;margin-top:.7rem}.source-item,.knowledge-item{border:1px solid #e7e0d8;border-radius:.8rem;padding:.75rem;background:#fff;color:#111}.source-item p,.knowledge-item p{margin:.35rem 0}.source-item a,.knowledge-item small{color:#a45100;font-weight:700}.muted{color:#6f665f}.source-panel .muted{color:#f5f3ef}.cards{display:grid;gap:.7rem;margin-top:1rem}.card{border:1px solid #e7e0d8;border-radius:.8rem;padding:.8rem;background:#fffaf5}.card p{margin:.35rem 0}.card small{color:#a45100;font-weight:700}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:.7rem;margin-bottom:1rem}.metrics div{border-radius:1rem;padding:.8rem;background:#f5f3ef}.metrics strong,.metrics small{display:block}.metrics small{color:#6f665f}.voice-live-status{border:1px solid #e7e0d8;border-radius:1rem;margin-top:1rem;padding:.9rem;background:#f8fafc}.voice-live-status.ready{border-color:#86efac;background:#f0fdf4}.voice-live-status.warn{border-color:#fed7aa;background:#fff7ed}.voice-live-status p,.voice-live-status ul{margin:.45rem 0}.voice-live-status dl{display:grid;grid-template-columns:max-content minmax(0,1fr);gap:.35rem .7rem;margin:.6rem 0}.voice-live-status div{display:contents}.voice-live-status dt{color:#6f665f;font-weight:700}.voice-live-status dd{margin:0;overflow-wrap:anywhere}.track-b-transcript{border:1px solid #e7e0d8;border-radius:1rem;margin-top:.8rem;padding:.9rem;background:#fffaf5}.track-b-transcript p{margin:.45rem 0}.track-b-transcript small{color:#6f665f}.mini-json{white-space:pre-wrap;max-height:14rem;overflow:auto;background:#111827;color:#d1fae5;border-radius:.75rem;padding:.75rem}.timeline{display:grid;gap:.6rem;list-style:none;padding:0;margin:0;max-height:35rem;overflow:auto}.timeline li{border-bottom:1px solid #eee4dc;padding-bottom:.5rem}.timeline small,.timeline code{display:block;color:#6f665f;overflow-wrap:anywhere}.export-box{white-space:pre-wrap;max-height:20rem;overflow:auto;background:#111827;color:#d1fae5;border-radius:1rem;padding:1rem}.guardrail-notes ul{margin-bottom:0}@media(max-width:840px){.brand-strip,.hero,.grid{grid-template-columns:1fr}.metrics{grid-template-columns:repeat(2,1fr)}}:fullscreen{background:#000;overflow:hidden}:fullscreen body{background:#000}:fullscreen .brand-strip,:fullscreen .hero,:fullscreen .panel:not(.avatar-panel){display:none!important}:fullscreen .avatar-panel #trackBStatus,:fullscreen .avatar-panel #trackBTranscript,:fullscreen .avatar-panel details,:fullscreen .avatar-panel .guided-demo-card>.pill,:fullscreen .avatar-panel .guided-demo-card>h2,:fullscreen .avatar-panel .guided-demo-card>p,:fullscreen .avatar-panel .guided-demo-card>ol{display:none!important}:fullscreen .avatar-frame{position:fixed;top:0;right:0;bottom:0;left:0;width:100vw;height:100vh;min-height:0;border-radius:0;background:#000;z-index:1}:fullscreen .avatar-frame video{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;min-height:0;object-fit:cover}:fullscreen .mock-avatar{width:100%;height:100%;min-height:0}:fullscreen .button-row.main-actions{position:fixed;bottom:1.5rem;left:50%;transform:translate(-50%);z-index:100;margin:0;padding:.45rem .6rem;background:#111111c7;border-radius:999px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 12px 30px #00000059;flex-wrap:nowrap}:fullscreen .button-row.main-actions button{background:#1f1f1f;color:#fff;border:1px solid rgb(255 255 255 / 18%);border-radius:999px;padding:.65rem 1rem;font-size:.95rem}:fullscreen .button-row.main-actions button.primary{background:#ff7900;color:#111;border-color:#ff7900}:fullscreen .button-row.main-actions #fullscreenButton{background:#ffffff1f;color:#fff}body[data-brand=tre] button.primary{background:#111;color:#fff}body[data-brand=tre] .button-row button:not(.primary){background:#fff;color:#111;border:1px solid #111}body[data-brand=tre] .eyebrow{color:#111}body[data-brand=tre] .avatar-frame{background:linear-gradient(180deg,#3a3a3a,#111 68%)}body[data-brand=tre] .face{background:linear-gradient(135deg,#2a2a2a,#8a8a8a 45%,#fff 45%,#fff 56%,#111 56%);box-shadow:0 1rem 4rem #00000059}body[data-brand=tre] .guided-demo-card{border:2px solid #111;background:#f6f5f3}body[data-brand=tre] .helper-text,body[data-brand=tre] .response{border-left-color:#111}body[data-brand=tre] .source-panel a{color:#d8d8d8}body[data-brand=tre] :fullscreen .button-row.main-actions button.primary{background:#111;color:#fff;border-color:#111}