:root{--paper:#f7f5f0;--ink:#222522;--muted:#696d65;--line:#deded4;--red:#b8392c;--red-dark:#942c22;--sage:#e9ece2;--white:#fff;--radius:14px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}button,input,textarea{font:inherit}button,a,input,textarea{touch-action:manipulation}button{cursor:pointer}a{color:inherit;text-decoration-thickness:1px;text-underline-offset:4px}a:hover{color:var(--red)}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #b8392c;outline-offset:4px}[hidden]{display:none!important}.shell{max-width:1256px;margin:auto;padding:0 38px}.skip-link{position:absolute;z-index:20;left:20px;top:-80px;background:var(--ink);color:white;padding:12px}.skip-link:focus{top:12px}.site-header{border-bottom:1px solid var(--line)}.header-inner{height:86px;display:flex;align-items:center;justify-content:space-between;gap:32px}.wordmark{display:inline-flex;align-items:center;gap:9px;text-decoration:none;font-size:24px;font-weight:800;letter-spacing:-1px;white-space:nowrap}.brand-mark{display:inline-flex;color:var(--red);width:33px;height:33px}.brand-mark svg{width:100%;height:100%}.brand-dot{color:var(--red);margin-left:-9px}.header-inner nav{display:flex;gap:28px;font-size:14px;font-weight:600}.header-inner nav a{text-decoration:none}.header-note{font-size:9px;letter-spacing:1.2px;font-weight:700;color:var(--muted);display:flex;gap:8px;align-items:center}.header-note i{width:6px;height:6px;border-radius:50%;background:#6e8164}.game-section{padding:30px 0 42px}.game-heading{display:flex;align-items:end;justify-content:space-between;margin-bottom:25px;gap:20px}.eyebrow{font-size:10px;letter-spacing:1.8px;font-weight:700;line-height:1.5;color:var(--muted);margin:0 0 13px;display:flex;align-items:center;gap:9px}.small-line{width:22px;height:2px;background:var(--red)}h1,h2,h3,p{margin-top:0}h1{font-size:55px;line-height:1.05;letter-spacing:-2.8px;margin-bottom:0;font-weight:750}.game-heading>p{font-size:15px;line-height:1.5;margin:0 0 2px;color:var(--muted)}.game-heading strong{font-weight:500;color:var(--ink)}.play-layout{display:grid;grid-template-columns:minmax(0,1fr) 275px;gap:28px}.player-card{min-width:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.stage{position:relative;width:100%;height:455px;aspect-ratio:16/9;overflow:hidden;background:#161618}.game-cover{position:absolute;inset:0;background:#161618}.game-cover img{width:100%;height:100%;object-fit:contain;opacity:.83}.cover-top{position:absolute;top:22px;left:26px;right:26px;display:flex;justify-content:space-between;color:#bbbdb6;font-size:9px;letter-spacing:1.5px;font-weight:600}.sound-label{letter-spacing:1px}.cover-bottom{position:absolute;bottom:26px;left:26px;right:26px;display:flex;align-items:center;justify-content:space-between;gap:18px}.play-button{display:flex;align-items:center;gap:15px;text-align:left;background:var(--red);border:1px solid #db5142;color:#fff;border-radius:9px;padding:13px 22px;box-shadow:0 5px 20px #0003;font-weight:700;font-size:17px;transition:background .15s,transform .15s}.play-button:hover{background:var(--red-dark);transform:translateY(-1px)}.play-button small{display:block;font-size:10px;font-weight:400;opacity:.86;margin-top:1px}.play-triangle{font-size:19px}.cover-caption{color:#b6b6af;font-size:12px;line-height:1.5;text-align:right}.game-loading{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#171a18;color:#f7f5f0;gap:8px}.game-loading>span{font-size:13px;color:#a9aea5}.game-loading strong{font-size:24px;letter-spacing:-.5px}.equalizer{height:42px;display:flex;align-items:center;gap:6px;margin-bottom:18px}.equalizer i{width:5px;height:18px;border-radius:3px;background:#d95c4a;animation:listen 1.05s ease-in-out infinite}.equalizer i:nth-child(2){animation-delay:.15s}.equalizer i:nth-child(3){animation-delay:.3s}.equalizer i:nth-child(4){animation-delay:.45s}.equalizer i:nth-child(5){animation-delay:.6s}@keyframes listen{50%{height:42px;background:#f09a77}}.stage:fullscreen{height:100vh;aspect-ratio:auto}.player-tools{height:59px;padding:0 17px;display:flex;justify-content:space-between;align-items:center;gap:10px}.tool-group{display:flex;align-items:center;gap:10px}.tool-button{display:flex;gap:7px;align-items:center;font-size:12px;font-weight:550;background:transparent;border:0;border-radius:5px;padding:9px 7px;min-height:42px;color:#4b5048}.tool-button>span:first-child{font-size:20px;line-height:1}.tool-button [data-gf-like-count]{font-size:12px;color:var(--muted);margin-left:2px}.tool-button:hover{background:var(--paper)}[data-gf-like][aria-pressed=true]{color:var(--red);background:#f9ece7}.share-msg{font-size:11px;color:var(--muted)}.session-notes{padding:25px 22px 17px;background:var(--sage);border:1px solid #d9ddcf;border-radius:var(--radius);position:relative;overflow:hidden}.session-notes h2{font-size:44px;letter-spacing:-2px;line-height:1.05;margin:23px 0 16px;font-weight:600}.session-notes h2 em{font-family:Georgia,serif;font-weight:400;color:#7a402f}.session-notes>p:not(.eyebrow){font-size:12px;line-height:1.7;color:#5a6354;margin-bottom:20px}.mode-note{display:flex;gap:13px;padding:12px 0;border-top:1px solid #cdd3c2}.mode-note>span{font-size:10px;color:#73806b;padding-top:3px}.mode-note strong{display:block;font-size:13px}.mode-note small{font-size:10px;display:block;color:#67705f}.session-notes .quiet-note{font-size:10px!important;margin:15px 0 14px!important}.piano{display:flex;height:34px;gap:3px;opacity:.55}.piano i{position:relative;background:var(--paper);border:1px solid #b7c0ad;flex:1;border-radius:0 0 3px 3px}.piano i:not(:nth-child(3)):not(:last-child):after{content:"";position:absolute;top:0;right:-5px;width:8px;height:20px;background:#73806b;border-radius:0 0 2px 2px;z-index:1}.source-note{font-size:10px;color:var(--muted);margin:12px 0 0;max-width:850px}.quick-start{padding:34px 0 42px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.section-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px;gap:15px}.section-heading .eyebrow{margin:0}.section-heading h2{margin:0;font-size:25px;letter-spacing:-.7px;font-weight:600}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:36px}.steps article{position:relative;padding-left:40px}.step-num{position:absolute;top:2px;left:0;color:var(--red);font-family:Georgia,serif;font-size:23px}.steps h3{font-size:15px;margin-bottom:7px}.steps p{font-size:13px;color:var(--muted);line-height:1.7;margin:0}.steps p strong{font-weight:550;color:#4e534c}.reading-layout{display:grid;grid-template-columns:200px minmax(0,1fr);gap:70px;padding:65px 0 85px}.reading-index{align-self:start;position:sticky;top:30px;display:flex;flex-direction:column;gap:14px;font-size:12px}.reading-index a{text-decoration:none;color:var(--muted)}.reading-index .eyebrow{margin-bottom:9px}.reading-content{max-width:790px}.reading-content>article{margin-bottom:48px}.reading-content h2{font-size:30px;line-height:1.25;letter-spacing:-.9px;font-weight:650;margin:0 0 21px}.reading-content p{font-size:15px;color:#5f655d;line-height:1.85;margin-bottom:20px}.mode-comparison{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:10px;overflow:hidden;margin:24px 0}.mode-comparison>div{padding:24px}.mode-comparison>div+div{border-left:1px solid var(--line);background:#efefe8}.mode-pill{display:inline-block;border:1px solid #d1d5c9;background:#e7ebdf;color:#56624a;border-radius:4px;font-size:9px;letter-spacing:1.3px;padding:4px 8px;font-weight:700;margin-bottom:16px}.mode-pill.dark{background:#333a31;border-color:#333a31;color:#eef1e9}.mode-comparison h3{font-size:17px;line-height:1.4;margin-bottom:12px}.mode-comparison p{font-size:13px;line-height:1.75}.mode-comparison .note-strip{font-family:ui-monospace,SFMono-Regular,monospace;letter-spacing:.4px;font-size:11px;white-space:nowrap;color:#7a402f;margin:22px 0 0}.faq{border-top:1px solid var(--line);padding-top:34px;margin-top:15px}.faq details{border-bottom:1px solid var(--line)}.faq summary{display:flex;align-items:center;justify-content:space-between;gap:22px;cursor:pointer;padding:19px 0;font-size:15px;font-weight:550;list-style:none;line-height:1.5}.faq summary::-webkit-details-marker{display:none}.faq summary span{color:var(--red);font-size:23px;font-weight:400}.faq details[open] summary span{transform:rotate(45deg)}.faq details p{font-size:14px;line-height:1.8;margin:0;padding:0 28px 23px 0}.discussion{margin-top:57px;padding-top:32px;border-top:1px solid var(--line)}.discussion-heading{display:flex;align-items:center;justify-content:space-between;gap:15px}.discussion-heading h2{margin-bottom:15px}.discussion-heading>span{font-size:11px;color:var(--muted)}.discussion>p{font-size:13px}.discussion form{background:#fff;border:1px solid var(--line);border-radius:10px;padding:23px}.discussion label{display:block;font-size:12px;font-weight:600;margin:0 0 7px}.discussion label span{font-weight:400;color:var(--muted)}.discussion input,.discussion textarea{display:block;width:100%;background:#fafbf8;border:1px solid #daddd3;color:var(--ink);border-radius:6px;padding:11px 13px;font-size:13px;margin-bottom:17px;resize:vertical;min-width:0}.discussion input{max-width:350px}.comment-submit{display:flex;align-items:center;gap:18px}.comment-submit p{font-size:11px;margin:0}.button-primary{display:inline-flex;gap:15px;align-items:center;justify-content:center;border:1px solid var(--red);border-radius:6px;background:var(--red);color:white;text-decoration:none;font-size:12px;font-weight:600;padding:11px 17px;min-height:44px}.button-primary:hover{background:var(--red-dark);color:#fff}.replying{display:none;font-size:12px;margin-bottom:14px}[data-gf-replying] .replying{display:flex;gap:12px}.replying button,.reply-button{border:0;background:none;color:var(--red);font-size:11px;padding:0}.comments{margin-top:25px}.comments .empty-comments{display:none;font-size:13px;color:var(--muted);padding:12px 0}.comments[data-gf-empty] .empty-comments{display:block}.comment{border-top:1px solid var(--line);padding:18px 0}.comment-meta{display:flex;align-items:center;gap:10px;font-size:12px}.comment-meta time{margin-left:auto;color:var(--muted);font-size:10px}.comment p{font-size:13px;margin:10px 0}.owner-badge{background:var(--sage);border-radius:3px;font-size:9px;padding:2px 5px}.replies{margin-left:24px}.site-footer{border-top:1px solid var(--line);background:#eeeee6}.footer-top{display:flex;align-items:center;justify-content:space-between;gap:25px;padding-top:35px;padding-bottom:30px}.footer-top .wordmark{font-size:22px}.footer-top p{font-size:11px;color:var(--muted);margin:9px 0 0}.footer-top nav{display:flex;flex-wrap:wrap;gap:22px;font-size:11px}.footer-top nav a{text-decoration:none}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:16px;padding-bottom:20px;font-size:10px;color:var(--muted)}.document-shell{max-width:850px;padding-top:35px;padding-bottom:70px;min-height:70vh}.back-link{font-size:12px;text-decoration:none;color:var(--muted)}.document-header{margin:40px 0 35px;padding-bottom:30px;border-bottom:1px solid var(--line)}.document-header h1{font-size:44px;letter-spacing:-1.8px;line-height:1.15;margin-bottom:18px}.document-intro{font-size:18px;line-height:1.7;color:var(--muted);margin-bottom:18px}.document-date{font-size:11px;color:var(--muted)}.document-body{font-size:15px;line-height:1.9;color:#545c51}.document-body h2{color:var(--ink);font-size:23px;letter-spacing:-.5px;line-height:1.4;margin:34px 0 15px}.document-body h3{font-size:18px;color:var(--ink)}.document-body li{margin:8px 0}.document-body a{overflow-wrap:anywhere;color:var(--red)}.document-body code{font-size:13px;background:var(--sage);border-radius:3px;padding:2px 5px}.document-end{margin-top:40px;border-top:1px solid var(--line);padding-top:25px;display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:13px;color:var(--muted)}
@media(min-width:1400px){.stage{height:455px}}
@media(max-width:1050px){.shell{padding:0 25px}.header-note{display:none}.play-layout{grid-template-columns:minmax(0,1fr) 235px;gap:20px}.stage{height:490px}.session-notes{padding:24px 18px}.session-notes h2{font-size:40px}.reading-layout{grid-template-columns:155px minmax(0,1fr);gap:38px}.cover-caption{display:none}.cover-top{left:18px;right:18px}.cover-bottom{left:18px}.steps{gap:22px}.section-heading h2{font-size:23px}}
@media(max-width:760px){.stage iframe{width:125%!important;height:125%!important;transform:scale(.8);transform-origin:top left}.shell{padding:0 18px}.header-inner{height:70px;gap:15px}.header-inner nav{gap:19px;font-size:12px}.header-inner nav a:last-child{display:none}.wordmark{font-size:22px;gap:7px}.brand-mark{width:27px;height:27px}.game-section{padding-top:25px;padding-bottom:30px}.game-heading{margin-bottom:20px;align-items:center}.game-heading .eyebrow{font-size:8px;letter-spacing:1.35px;margin-bottom:9px}.small-line{width:15px}h1{font-size:43px;letter-spacing:-2px}.game-heading>p{font-size:11px;max-width:120px}.play-layout{display:block}.stage{height:485px;aspect-ratio:auto}.game-cover img{object-fit:cover;object-position:center center}.cover-top{top:18px;font-size:8px}.cover-top .sound-label{font-size:8px}.cover-bottom{bottom:24px;left:22px;right:22px}.play-button{width:100%;justify-content:center;font-size:17px;padding:15px}.play-button small{font-size:11px}.session-notes{display:none}.player-tools{padding:0 10px}.tool-group{gap:4px}.tool-button{font-size:11px;gap:5px}.share-msg{max-width:50px;font-size:9px}.source-note{font-size:9px;line-height:1.7;margin-top:11px}.quick-start{padding:28px 0}.section-heading{display:block}.section-heading .eyebrow{margin-bottom:12px}.section-heading h2{font-size:26px}.steps{display:block}.steps article{padding-left:41px;margin-bottom:22px}.steps article:last-child{margin-bottom:0}.steps h3{font-size:15px}.steps p{font-size:13px}.reading-layout{display:block;padding:36px 0 50px}.reading-index{position:static;flex-direction:row;flex-wrap:wrap;gap:12px 18px;padding-bottom:25px;border-bottom:1px solid var(--line);margin-bottom:35px}.reading-index .eyebrow{width:100%;margin-bottom:0;font-size:9px}.reading-index a{font-size:11px}.reading-content h2{font-size:27px;letter-spacing:-.75px}.reading-content p{font-size:14px;line-height:1.85}.reading-content>article{margin-bottom:38px}.mode-comparison{display:block}.mode-comparison>div+div{border-left:0;border-top:1px solid var(--line)}.mode-comparison>div{padding:22px}.mode-comparison h3{font-size:18px}.mode-comparison p{font-size:14px}.faq summary{font-size:14px;padding:18px 0}.faq details p{font-size:13px}.discussion{margin-top:40px}.discussion form{padding:17px}.comment-submit{align-items:start;flex-direction:column;gap:12px}.footer-top{display:block;padding-top:28px;padding-bottom:25px}.footer-top nav{margin-top:25px;gap:20px}.footer-bottom{display:block;line-height:1.9}.footer-bottom span{display:block}.document-shell{padding-top:25px;padding-bottom:45px}.document-header{margin-top:28px}.document-header h1{font-size:36px}.document-intro{font-size:16px}.document-body{font-size:14px}.document-end{flex-direction:column;align-items:start}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.equalizer i{animation:none}.play-button{transition:none}}

/* GEO clarity: visible factual summary, outside the first-screen player. */
.quick-facts{display:grid;grid-template-columns:1fr 2fr;gap:30px;padding:28px 0 32px;border-top:1px solid var(--line)}.quick-facts h2{font-size:25px;letter-spacing:-.6px;line-height:1.3;margin:0 0 10px}.quick-facts>div>p:last-child{font-size:13px;color:var(--muted);max-width:290px;line-height:1.75;margin:0}.quick-facts dl{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px 26px;margin:0}.quick-facts dt{font-size:10px;text-transform:uppercase;letter-spacing:1px;color:var(--muted);margin:0 0 5px}.quick-facts dd{font-size:13px;line-height:1.6;margin:0;color:var(--ink)}@media(max-width:760px){.quick-facts{display:block;padding:27px 0}.quick-facts>div>p:last-child{max-width:none}.quick-facts dl{grid-template-columns:1fr 1fr;gap:20px;margin-top:24px}.quick-facts h2{font-size:25px}}