:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;color:#f5f1e8;--gold:#e8a13d;--gold-bright:#ffb34d;--panel:#1a1a1a;--line:#3a3428;background:#050505;font-family:Courier New,Courier,monospace}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:#050505;min-width:320px;margin:0}button,select{font:inherit}a{color:inherit}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.instrument{background:#050505;border-bottom:1px solid #241d13;height:100svh;min-height:560px;position:relative;overflow:hidden}#webcam{display:none}#stage{object-fit:cover;background:#050505;width:100%;height:100%;position:absolute;inset:0}#stage.dimmed{filter:grayscale()brightness(.55)}.selectors{z-index:4;top:max(12px, env(safe-area-inset-top));left:max(12px, env(safe-area-inset-left));gap:8px;display:grid;position:absolute}select{min-width:82px;color:var(--gold);border:1px solid var(--line);background:#121212e6;border-radius:4px;outline:none;padding:5px 9px}select:focus-visible,button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--gold-bright);outline-offset:3px}.meter-panel{z-index:4;top:max(12px, env(safe-area-inset-top));right:max(12px, env(safe-area-inset-right));color:var(--gold);text-align:right;pointer-events:none;position:absolute}.volume-meter{flex-direction:column;align-items:flex-end;gap:3px;display:flex}.volume-meter span{background:var(--line);border-radius:2px;width:70px;height:8px}.volume-meter span.lit{background:var(--gold);box-shadow:0 0 10px #e8a13d47}.meter-panel p{margin:10px 0 0;font-size:14px}.chord-display{z-index:4;color:var(--gold);text-shadow:0 0 12px #e8a13d99;white-space:nowrap;pointer-events:none;margin:0;font-size:clamp(34px,5vw,56px);font-weight:700;position:absolute;bottom:32px;left:50%;transform:translate(-50%)}.quality-display{z-index:4;color:var(--gold);white-space:nowrap;pointer-events:none;margin:0;font-size:13px;position:absolute;bottom:8px;left:50%;transform:translate(-50%)}.help-button{z-index:6;bottom:max(16px, env(safe-area-inset-bottom));left:max(16px, env(safe-area-inset-left));width:42px;height:42px;color:var(--gold);cursor:pointer;background:#141414db;border:1px solid #0000;border-radius:50%;padding:0;font-size:22px;position:absolute}.help-button:hover{border-color:var(--gold)}.modal[hidden],.start-overlay[hidden],.status[hidden]{display:none}.modal{z-index:20;background:#000000c2;justify-content:center;align-items:center;padding:24px;display:flex;position:absolute;inset:0}.modal-card{color:#fff;background:var(--panel);border:1px solid var(--gold);border-radius:10px;width:min(660px,92vw);max-height:84vh;padding:28px;position:relative;overflow:auto}.modal-card h2,.modal-card h3{color:var(--gold)}.modal-card h2{margin:0 42px 24px 0}.modal-card h3{margin-top:0;font-size:15px}.modal-card p{font-size:14px;line-height:1.55}.guide-columns{grid-template-columns:1fr 1fr;gap:32px;display:grid}.close-button{color:var(--gold);cursor:pointer;background:0 0;border:0;padding:4px 8px;font-size:28px;line-height:1;position:absolute;top:17px;right:18px}.privacy-note{color:#c7bda9;border-top:1px solid var(--line);margin:18px 0 0;padding-top:18px}.start-overlay{z-index:10;color:#fff;cursor:pointer;background:#0000008f;border:0;flex-direction:column;justify-content:flex-end;align-items:center;gap:15px;width:100%;padding:0 20px 14.5vh;display:flex;position:absolute;inset:0}.play-circle{color:#111;background:#fff;border-radius:50%;place-items:center;width:72px;height:72px;padding-left:4px;font-size:26px;transition:transform .2s,background .2s;display:grid}.start-overlay:hover .play-circle{background:#fff7e9;transform:scale(1.06)}.start-copy{letter-spacing:.05em;font-size:16px;font-weight:700}.start-hint{color:#a7a097;letter-spacing:.03em;font-size:11px}.status{z-index:12;text-align:center;background:var(--panel);border:1px solid var(--gold);border-radius:10px;justify-items:center;gap:12px;width:min(420px,100% - 40px);padding:26px;display:grid;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.status span{color:#c7bda9;font-size:13px;line-height:1.55}.status button{color:#111;background:var(--gold);cursor:pointer;border:0;border-radius:4px;padding:9px 15px}.content-shell{max-width:1080px;margin:0 auto;padding:110px 28px 48px}.intro{max-width:800px;padding-bottom:110px}.eyebrow,.section-number{color:var(--gold);letter-spacing:.15em;text-transform:uppercase;margin:0 0 16px;font-size:12px;font-weight:700}h1{color:#fff;letter-spacing:-.07em;margin:0;font-size:clamp(54px,9vw,104px);line-height:.92}.lede{color:#c9c3b9;max-width:720px;margin:34px 0 24px;font-family:ui-sans-serif,system-ui,sans-serif;font-size:clamp(18px,2.2vw,25px);line-height:1.55}.text-link{color:var(--gold);font-size:14px;text-decoration:none}.text-link:hover{color:var(--gold-bright)}.content-section{border-top:1px solid #2a251d;grid-template-columns:minmax(240px,.85fr) 1.35fr;gap:70px;padding:74px 0;display:grid}.content-section h2,.faq-section h2{color:#fff;letter-spacing:-.045em;margin:0;font-size:clamp(27px,4vw,44px);line-height:1.08}.steps{color:#bdb7ae;gap:28px;margin:0;padding-left:24px;font-family:ui-sans-serif,system-ui,sans-serif;line-height:1.7;display:grid}.steps strong{color:#fff}.split-section>div:last-child{color:#bdb7ae;font-family:ui-sans-serif,system-ui,sans-serif;font-size:17px;line-height:1.75}.faq-section{border-top:1px solid #2a251d;padding:74px 0 100px}.faq-section h2{margin-bottom:40px}details{border-top:1px solid #2a251d}details:last-of-type{border-bottom:1px solid #2a251d}summary{color:#f4f0e9;cursor:pointer;padding:23px 46px 23px 0;font-size:17px;font-weight:700;list-style:none;position:relative}summary::-webkit-details-marker{display:none}summary:after{content:"+";color:var(--gold);font-size:24px;font-weight:400;position:absolute;right:5px}details[open] summary:after{content:"−"}details p{color:#aaa49b;max-width:760px;margin:-6px 0 24px;font-family:ui-sans-serif,system-ui,sans-serif;line-height:1.7}footer{color:#777168;border-top:1px solid #2a251d;justify-content:space-between;gap:40px;padding-top:30px;font-size:11px;line-height:1.65;display:flex}footer p{max-width:620px;margin:0}footer a{color:#9f978b}@media (width<=700px){.instrument{min-height:500px}.guide-columns{grid-template-columns:1fr;gap:16px}.modal-card{padding:22px}.chord-display{bottom:48px}.quality-display{text-overflow:ellipsis;max-width:70%;bottom:29px;overflow:hidden}.start-overlay{padding-bottom:18vh}.content-shell{padding:76px 20px 38px}.intro{padding-bottom:76px}.content-section{grid-template-columns:1fr;gap:32px;padding:56px 0}.faq-section{padding:56px 0 76px}footer{flex-direction:column;gap:16px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.play-circle{transition:none}}