/* GoPrac — official site. One staff runs through the whole page; see site.js (Staff). */

@font-face{font-family:"Outfit";src:url(../fonts/outfit-var.woff2) format("woff2");font-weight:200 500;font-display:swap}
@font-face{font-family:"Cormorant";src:url(../fonts/cormorant-300.woff2) format("woff2");font-weight:300;font-style:normal;font-display:swap}
@font-face{font-family:"Cormorant";src:url(../fonts/cormorant-300i.woff2) format("woff2");font-weight:300;font-style:italic;font-display:swap}
@font-face{font-family:"Cormorant";src:url(../fonts/cormorant-500.woff2) format("woff2");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:"GP Serif SC";src:url(../fonts/notoserifsc-200.woff2) format("woff2");font-weight:200;font-display:swap}
/* Chinese dashes, ellipses and curly quotes must come from a Chinese face, not from Outfit/Cormorant */
@font-face{font-family:"ZH Punct";src:local("PingFang SC"),local("PingFangSC-Regular"),local("Hiragino Sans GB"),local("Microsoft YaHei"),local("Noto Sans CJK SC");unicode-range:U+2014,U+2026,U+2018-201D}
@font-face{font-family:"ZH Punct Serif";src:url(../fonts/notoserifsc-200.woff2) format("woff2");unicode-range:U+2014,U+2026,U+2018-201D}
@font-face{font-family:"GP Serif SC";src:url(../fonts/notoserifsc-400.woff2) format("woff2");font-weight:400 600;font-display:swap}

:root{
  --ground:#1B1D1C; --deep:#121413; --surface:#222624; --line:#343B37;
  --ivory:#ECE7DC; --ink:#E9EDEB; --muted:#9AA39E; --faint:#6F7974;
  --mint:#7CC3A3; --mint-soft:rgba(124,195,163,.14); --amber:#E2C08D; --seal:#C0272D;
  --paper:#F3EEE3; --paper-ink:#25231F; --paper-muted:#6E675B;
  --serif:"Cormorant","GP Serif SC","Songti SC","Noto Serif SC",serif;
  --sans:"Outfit","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --gutter:clamp(20px,5vw,72px); --max:1240px;
  --ease:cubic-bezier(.22,.9,.24,1);
  --nav-h:68px;
  --section-inset:clamp(12px,2vw,28px);
  --section-radius:clamp(20px,3vw,40px);
  color-scheme:dark;
  --gap:clamp(26px,min(4.3vw,5.4vh),52px);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:var(--nav-h)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--ground);color:var(--ivory);font-family:var(--sans);font-weight:300;font-size:17px;line-height:1.65;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden;text-rendering:optimizeLegibility}
html:lang(zh){--sans:"ZH Punct","Outfit","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;--serif:"ZH Punct Serif","Cormorant","GP Serif SC","Songti SC","Noto Serif SC",serif}
html:lang(zh) body{font-size:16.5px;line-height:1.85;letter-spacing:.02em}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
:focus-visible{outline:1.5px solid var(--mint);outline-offset:4px;border-radius:6px}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* film grain over everything, very faint */
body::after{content:"";position:fixed;inset:-50%;z-index:60;pointer-events:none;opacity:.05;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

#staff{position:fixed;inset:0;width:100vw;height:100vh;z-index:1;pointer-events:none}
main,footer{position:relative}
/* sections paint below the staff canvas (z 1); their content paints above it */
main>section>*,footer>*{position:relative;z-index:2}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}

/* ───────────── type ───────────── */
.serif{font-family:var(--serif);font-weight:300}
.it{font-family:var(--serif);font-style:italic;font-weight:300}
:lang(zh) .it.zh-upright{font-style:normal}
.eyebrow{font-family:var(--sans);font-weight:400;font-size:11.5px;letter-spacing:.32em;text-transform:uppercase;color:var(--muted)}
:lang(zh) .eyebrow{letter-spacing:.28em;font-size:12px}
h1,h2,h3{margin:0;font-weight:300}
h2.display{font-family:var(--serif);font-weight:300;font-size:clamp(44px,6.4vw,92px);line-height:.98;letter-spacing:-.01em}
:lang(zh) h2.display{font-weight:200;font-size:clamp(38px,5.4vw,76px);line-height:1.18;letter-spacing:.04em}
.lede{font-size:clamp(17px,1.35vw,20px);color:var(--muted);max-width:34em}
:lang(zh) .lede{max-width:28em}
.lede strong{color:var(--ivory);font-weight:400}

/* ───────────── nav ───────────── */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;height:var(--nav-h);display:flex;align-items:center;
  transition:background .5s var(--ease),backdrop-filter .5s var(--ease),border-color .5s;border-bottom:1px solid transparent}
.nav.solid{background:rgba(22,24,23,.72);-webkit-backdrop-filter:blur(18px) saturate(1.2);backdrop-filter:blur(18px) saturate(1.2);border-bottom-color:rgba(255,255,255,.05)}
.nav.on-paper{background:rgba(243,238,227,.8);color:var(--paper-ink);border-bottom-color:rgba(37,35,31,.08)}
.nav-inner{width:100%;max-width:1400px;margin:0 auto;padding:0 var(--gutter);display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;flex:none}
.brand svg{width:15px;height:26px;fill:currentColor}
.brand span{font-family:"Outfit",sans-serif;font-weight:500;font-size:13px;letter-spacing:.38em;padding-left:.1em}
.chapters{display:flex;gap:4px;margin:0 auto;position:relative;list-style:none;padding:0}
.chapters a{display:flex;align-items:baseline;gap:7px;padding:10px 12px;text-decoration:none;font-size:13.5px;color:var(--muted);transition:color .3s;letter-spacing:.02em}
.nav.on-paper .chapters a{color:var(--paper-muted)}
.chapters a b{font-family:var(--serif);font-style:italic;font-weight:300;font-size:15px;opacity:.7}
.chapters a:hover,.chapters a[aria-current="true"]{color:var(--ivory)}
.nav.on-paper .chapters a:hover,.nav.on-paper .chapters a[aria-current="true"]{color:var(--paper-ink)}
.chapters .dot{position:absolute;bottom:2px;left:0;width:4px;height:4px;border-radius:50%;background:var(--mint);opacity:0;transition:transform .5s var(--ease),opacity .3s}
.nav-end{display:flex;align-items:center;gap:12px;margin-left:auto;flex:none}
.lang{display:flex;align-items:center;border:1px solid rgba(236,231,220,.22);border-radius:999px;padding:3px;font-size:12.5px;letter-spacing:.06em}
.nav.on-paper .lang{border-color:rgba(37,35,31,.2)}
.lang a,.lang span{display:block;padding:5px 12px;border-radius:999px;text-decoration:none;line-height:1.2}
.lang [aria-current="page"]{background:var(--ivory);color:var(--deep);font-weight:400}
.nav.on-paper .lang [aria-current="page"]{background:var(--paper-ink);color:var(--paper)}
.lang a{color:var(--muted)}
.lang a:hover{color:var(--ivory)}
.nav.on-paper .lang a:hover{color:var(--paper-ink)}
.btn{display:inline-flex;align-items:center;gap:10px;border-radius:999px;text-decoration:none;font-weight:400;letter-spacing:.02em;transition:transform .35s var(--ease),background .3s,color .3s,box-shadow .35s}
.btn:active{transform:scale(.97)}
.btn-mint{background:var(--mint);color:#10221A;padding:13px 22px 13px 18px;font-size:15px;box-shadow:0 10px 30px -12px rgba(124,195,163,.55)}
.btn-mint:hover{transform:translateY(-1px);box-shadow:0 16px 40px -14px rgba(124,195,163,.75)}
.btn-mint svg{width:17px;height:17px;fill:currentColor}
.btn-small{padding:8px 15px 8px 13px;font-size:13px}
.btn-small svg{width:14px;height:14px}
.btn-ghost{border:1px solid rgba(236,231,220,.24);padding:12px 20px;font-size:15px;color:var(--ivory)}
.btn-ghost:hover{border-color:rgba(236,231,220,.5)}
.btn-ghost .pulse{width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 0 rgba(124,195,163,.6)}
.btn-ghost[aria-pressed="true"] .pulse{animation:beat var(--beat,833ms) infinite}
@keyframes beat{0%{box-shadow:0 0 0 0 rgba(124,195,163,.55);transform:scale(1.2)}35%{transform:scale(1)}100%{box-shadow:0 0 0 12px rgba(124,195,163,0)}}

/* ───────────── hero ───────────── */
.hero{min-height:100svh;min-height:max(100svh,720px);position:relative;display:grid;align-items:center;padding:calc(var(--nav-h) + 24px) 0 64px;overflow:clip}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 55% at 72% 46%,rgba(124,195,163,.07),transparent 70%),radial-gradient(50% 60% at 18% 60%,rgba(236,231,220,.04),transparent 70%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:clamp(20px,3.5vw,56px);max-width:1400px;margin:0 auto;padding:0 var(--gutter);width:100%}
.clef{--s:var(--gap,46px);height:calc(var(--s) * 8.6);width:auto;aspect-ratio:729/1282;color:var(--ivory);overflow:visible;
  /* site.js moves it so the G's crossbar (y 701 of 1282) sits on the staff's G line */
  margin-left:calc(var(--s) * -.2);will-change:transform}
.clef .mark{fill:currentColor}
.clef .pen{fill:none;stroke:#fff;stroke-width:112;stroke-linecap:round;stroke-linejoin:round}
.hero-copy{position:relative;padding-top:calc(var(--gap,46px) * .2);max-width:720px}
.hero-copy .eyebrow{margin-bottom:calc(var(--gap,46px) * .5)}
.hero h1{font-family:var(--serif);font-weight:300;font-size:calc(var(--gap,46px) * 2.05);line-height:calc(var(--gap,46px) * 2);letter-spacing:-.015em;margin:0 0 calc(var(--gap,46px)*.55)}
.hero h1 em{font-style:italic}
:lang(zh) .hero h1{font-weight:200;font-size:calc(var(--gap,46px) * 1.62);line-height:calc(var(--gap,46px) * 2);letter-spacing:.05em}
.hero h1 .w{display:inline-block;opacity:0;transform:translateY(.25em);filter:blur(6px);transition:opacity 1.1s var(--ease),transform 1.1s var(--ease),filter 1.1s var(--ease)}
.ready .hero h1 .w{opacity:1;transform:none;filter:none}
.hero .lede{opacity:0;transform:translateY(12px);transition:opacity 1s var(--ease) .9s,transform 1s var(--ease) .9s}
.hero .ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;opacity:0;transform:translateY(12px);transition:opacity 1s var(--ease) 1.15s,transform 1s var(--ease) 1.15s}
.hero .tempo-note{margin-top:22px;font-size:13px;color:var(--faint);opacity:0;transition:opacity 1s 1.6s}
.hero .tempo-note .it{font-size:16px;color:var(--muted)}
.ready .hero .lede,.ready .hero .ctas{opacity:1;transform:none}
.ready .hero .tempo-note{opacity:1}
.hero-phone{opacity:0;transform:translateY(30px) scale(.97);transition:opacity 1.4s var(--ease) .5s,transform 1.6s var(--ease) .5s}
.ready .hero-phone{opacity:1;transform:none}
.scroll-cue{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:8px;font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--faint);text-decoration:none}
.scroll-cue i{display:block;width:1px;height:38px;background:linear-gradient(var(--faint),transparent);animation:cue 2.4s var(--ease) infinite}
@keyframes cue{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ───────────── phone ───────────── */
.phone{--pw:300px;width:var(--pw);flex:none;position:relative;margin:0}
.phone-body{position:relative;border-radius:14.8% / 7%;padding:calc(var(--pw) * .028);
  background:linear-gradient(150deg,#3a3f3d,#1a1c1b 30%,#0e0f0f 70%,#2b2f2d);
  box-shadow:0 0 0 1px rgba(255,255,255,.07) inset,0 1px 0 rgba(255,255,255,.12) inset,0 50px 90px -40px rgba(0,0,0,.85),0 30px 60px -30px rgba(0,0,0,.6)}
.phone-body::before{content:"";position:absolute;inset:.57% 1.2%;border-radius:13.9% / 6.6%;box-shadow:0 0 0 1px rgba(0,0,0,.9) inset;pointer-events:none;z-index:2}
.phone-screen{position:relative;border-radius:12.9% / 5.94%;overflow:hidden;aspect-ratio:1206/2622;background:var(--ground)}
.phone-screen img{width:100%;height:100%;object-fit:cover}
.phone-screen::after{content:"";position:absolute;left:50%;top:1.25%;width:30.5%;height:4.25%;transform:translateX(-50%);border-radius:999px;background:#000}
.phone-caption{margin-top:18px;font-size:13px;color:var(--faint);text-align:center;letter-spacing:.02em}
.paper .phone-caption{color:var(--paper-muted)}
.live-dot{position:absolute;width:3.1%;aspect-ratio:1;border-radius:50%;background:#EEF1EF;left:0;top:0;transform:translate(-50%,-50%);box-shadow:0 0 12px rgba(238,241,239,.35);pointer-events:none}
.live-tick{position:absolute;left:50%;width:1.3%;height:1.2%;border-radius:2px;background:var(--mint);transform:translate(-50%,-50%);opacity:.0;pointer-events:none}

/* ───────────── chapters ───────────── */
section{position:relative}
.chapter{padding:clamp(110px,14vw,200px) 0}
.chapter-head{display:grid;grid-template-columns:auto 1fr;gap:clamp(16px,3vw,40px);align-items:start;margin-bottom:clamp(40px,6vw,80px)}
.numeral{font-family:"Cormorant",serif;font-style:italic;font-weight:300;font-size:clamp(84px,11vw,170px);line-height:.8;color:transparent;-webkit-text-stroke:1px rgba(236,231,220,.28);letter-spacing:-.02em;min-width:1ch}
.paper .numeral{-webkit-text-stroke-color:rgba(37,35,31,.25)}
.chapter-head .eyebrow{margin:6px 0 18px;display:flex;align-items:center;gap:12px}
.chapter-head .eyebrow::before{content:"";width:28px;height:1px;background:currentColor;opacity:.5}
.chapter-head h2{margin-bottom:24px}
.reveal{opacity:0;transform:translateY(26px);transition:opacity 1.1s var(--ease),transform 1.1s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.12s}.reveal.d2{transition-delay:.24s}.reveal.d3{transition-delay:.36s}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}.hero h1 .w,.hero .lede,.hero .ctas,.hero .tempo-note,.hero-phone{opacity:1;transform:none;filter:none;transition:none}}

/* margin notes (engraver's marginalia, not cards) */
.notes{list-style:none;margin:0;padding:0;display:grid;gap:0}
.notes li{display:grid;grid-template-columns:14px 1fr;gap:14px;padding:16px 0;border-top:1px solid rgba(236,231,220,.08);color:var(--muted);font-size:15.5px;line-height:1.6}
.notes li:last-child{border-bottom:1px solid rgba(236,231,220,.08)}
.notes li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--mint);margin-top:.68em;justify-self:center}
.notes b{color:var(--ivory);font-weight:400}
.paper .notes li{border-color:rgba(37,35,31,.1);color:var(--paper-muted)}
.paper .notes li::before{background:var(--seal)}
.paper .notes b{color:var(--paper-ink)}

/* ───────────── overture ───────────── */
.overture{padding:clamp(120px,16vw,220px) 0 clamp(90px,12vw,160px)}
.statement{font-family:var(--serif);font-weight:300;font-size:clamp(30px,4.1vw,60px);line-height:1.16;max-width:17em;letter-spacing:-.005em}
.statement em{font-style:italic;color:var(--mint)}
:lang(zh) .statement{font-weight:200;font-size:clamp(26px,3.3vw,48px);line-height:1.6;max-width:20em;letter-spacing:.04em}
:lang(zh) .statement em{font-style:normal}
.index{list-style:none;margin:clamp(60px,8vw,110px) 0 0;padding:0;counter-reset:x}
.index a{display:grid;grid-template-columns:clamp(54px,7vw,96px) minmax(120px,1fr) 2.2fr auto;align-items:baseline;gap:20px;padding:22px 0;border-top:1px solid rgba(236,231,220,.1);text-decoration:none;transition:padding .5s var(--ease),color .3s}
.index li:last-child a{border-bottom:1px solid rgba(236,231,220,.1)}
.index .n{font-family:var(--serif);font-style:italic;font-size:26px;color:var(--faint)}
.index .t{font-family:var(--serif);font-size:clamp(28px,3vw,42px);line-height:1}
:lang(zh) .index .t{font-weight:200;font-size:clamp(24px,2.5vw,34px)}
.index .d{color:var(--muted);font-size:15.5px}
.index .arr{width:30px;height:1px;background:var(--faint);position:relative;transition:width .5s var(--ease),background .3s}
.index .arr::after{content:"";position:absolute;right:0;top:-3px;width:7px;height:7px;border-top:1px solid;border-right:1px solid;transform:rotate(45deg);color:var(--faint)}
.index a:hover{padding-left:12px}
.index a:hover .arr{width:56px;background:var(--mint)}
.index a:hover .arr::after{color:var(--mint)}
.index a:hover .n{color:var(--mint)}

/* ───────────── practice ───────────── */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(40px,6vw,100px);align-items:center}
.duo{display:flex;gap:clamp(16px,2.4vw,32px);justify-content:center;align-items:flex-end}
.duo .phone:nth-child(2){margin-bottom:-60px}
.dial-demo{position:relative;width:min(400px,78vw);aspect-ratio:1;margin:0 auto;touch-action:none;user-select:none;-webkit-user-select:none}
.dial-demo .ring{position:absolute;inset:0;border-radius:50%;background:radial-gradient(circle at 50% 40%,#252a28,#1f2321 70%);box-shadow:0 0 0 1px rgba(236,231,220,.12) inset,0 40px 80px -40px rgba(0,0,0,.8)}
.dial-demo .ticks{position:absolute;inset:0}
.dial-demo .ticks i{position:absolute;left:50%;top:50%;width:7px;height:7px;margin:-3.5px;border-radius:50%;background:#4B5650;transition:background .12s,transform .12s}
.dial-demo .ticks i.on{background:var(--mint);transform:scale(1.5)}
.dial-demo .bpm{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;pointer-events:none}
.dial-demo .bpm b{font-family:"Outfit",sans-serif;font-weight:200;font-size:clamp(70px,9vw,104px);line-height:1;color:var(--ink);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.dial-demo .bpm span{margin-top:12px;font-size:11.5px;letter-spacing:.32em;color:var(--muted);text-transform:uppercase}
.dial-demo .orb{position:absolute;left:50%;top:50%;width:12px;height:12px;margin:-6px;border-radius:50%;background:#EEF1EF;box-shadow:0 0 14px rgba(238,241,239,.4);pointer-events:none}
.dial-demo .knob{position:absolute;left:50%;top:50%;width:22px;height:22px;margin:-11px;border-radius:50%;border:1.5px solid var(--mint);background:var(--ground);box-shadow:0 0 0 6px rgba(124,195,163,.08);pointer-events:none}
.dial-demo .go{position:absolute;left:50%;top:50%;width:76px;height:76px;margin:-38px;border-radius:50%;background:var(--mint);display:grid;place-items:center;transform:translateY(calc(min(400px,78vw) * .5 + 56px));box-shadow:0 12px 30px -10px rgba(124,195,163,.6)}
.dial-demo .go svg{width:24px;height:24px;fill:#13241C}
.demo-caption{margin-top:120px;text-align:center;font-size:13.5px;color:var(--faint)}
.practice-phones{margin-top:clamp(80px,10vw,140px);display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,80px);align-items:center}

/* medals river */
.medals{padding:clamp(60px,8vw,110px) 0 clamp(100px,12vw,160px);overflow:hidden}
.medals-head{display:flex;justify-content:space-between;align-items:end;gap:30px;flex-wrap:wrap;margin-bottom:46px}
.medals-head p{font-family:var(--serif);font-size:clamp(26px,3vw,42px);line-height:1.15;max-width:17em;margin:0}
:lang(zh) .medals-head p{font-weight:200;font-size:clamp(22px,2.4vw,34px);line-height:1.6}
.medals-head small{color:var(--faint);font-size:13px;letter-spacing:.04em}
.river{display:flex;gap:28px;width:max-content;animation:river 90s linear infinite}
.river:hover{animation-play-state:paused}
.river img{width:clamp(96px,10vw,140px);height:auto;filter:drop-shadow(0 18px 24px rgba(0,0,0,.45));transition:transform .5s var(--ease)}
.river img:hover{transform:translateY(-8px) scale(1.06)}
@keyframes river{to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.river{animation:none;flex-wrap:wrap;width:auto;justify-content:center}}

/* ───────────── tuner ───────────── */
.tuner-stage{position:relative;height:clamp(240px,30vw,360px);margin:clamp(30px,4vw,60px) 0;cursor:crosshair}
.tuner-stage .hint{position:absolute;right:0;bottom:0;font-size:13px;color:var(--faint)}
.tuner-stage .readout{position:absolute;left:0;bottom:0;display:flex;gap:18px;align-items:baseline;font-size:13px;color:var(--faint);font-variant-numeric:tabular-nums}
.tuner-stage .readout b{font-family:"Outfit";font-weight:200;font-size:44px;color:var(--ink);line-height:1}
.tuner-stage .readout sub{font-size:.45em;vertical-align:baseline}
.tuner-stage .readout .ok{color:var(--mint);opacity:0;transition:opacity .4s}
.tuner-stage .readout .ok.on{opacity:1}
.modes{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid rgba(236,231,220,.1);border-bottom:1px solid rgba(236,231,220,.1)}
.mode{padding:30px 28px 32px 0}
.mode+.mode{padding-left:28px;border-left:1px solid rgba(236,231,220,.1)}
.mode h3{font-family:var(--serif);font-size:38px;line-height:1;display:flex;align-items:baseline;gap:14px}
:lang(zh) .mode h3{font-weight:200;font-size:32px}
.mode h3 small{font-family:var(--sans);font-size:13px;color:var(--mint);letter-spacing:.06em}
.mode p{margin:14px 0 0;color:var(--muted);font-size:15px}
.tuner-body{display:grid;grid-template-columns:1fr auto;gap:clamp(40px,6vw,100px);align-items:center;margin-top:clamp(60px,8vw,100px)}

/* ───────────── ear ───────────── */
.ear-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,90px);align-items:center}
.lissa-stage{position:relative;aspect-ratio:1;width:min(520px,100%);margin:0 auto}
.lissa-stage::before{content:"";position:absolute;inset:6%;border-radius:50%;background:radial-gradient(circle,rgba(124,195,163,.08),transparent 65%)}
.lissa-ratio{position:absolute;left:50%;bottom:-8px;transform:translateX(-50%);font-family:var(--serif);font-style:italic;font-size:22px;color:var(--muted);white-space:nowrap}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin:34px 0 10px}
.chip{border:1px solid rgba(236,231,220,.18);border-radius:999px;padding:9px 16px;font-size:14.5px;color:var(--muted);transition:all .35s var(--ease);display:flex;gap:8px;align-items:baseline}
.chip i{font-family:var(--serif);font-style:italic;font-size:15px;color:var(--faint)}
.chip:hover{border-color:rgba(236,231,220,.45);color:var(--ivory)}
.chip[aria-pressed="true"]{background:var(--mint-soft);border-color:var(--mint);color:var(--ivory)}
.chip[aria-pressed="true"] i{color:var(--mint)}
.chip.was{border-color:var(--amber);color:var(--amber)}
.chip-caption{font-size:13px;color:var(--faint)}
.ear-phones{margin-top:clamp(80px,10vw,130px);display:grid;grid-template-columns:auto 1fr;gap:clamp(40px,6vw,90px);align-items:center}

/* ───────────── scores (paper) ───────────── */
/* Distinct paper and illustration surfaces, without muddy colour-blend bands. */
.paper{background:var(--paper);color:var(--paper-ink);margin-inline:var(--section-inset);padding-block:clamp(72px,8vw,112px);border-radius:var(--section-radius);overflow:clip}
.paper .eyebrow{color:var(--paper-muted)}
.paper .lede{color:var(--paper-muted)}
.paper .lede strong{color:var(--paper-ink)}
.score-stage{position:relative;height:clamp(150px,16vw,200px);margin:clamp(40px,5vw,70px) 0 clamp(70px,8vw,110px)}
.score-play{position:absolute;left:0;top:-24px;z-index:3;display:flex;align-items:center;gap:12px;max-width:100%;text-align:left;font-size:14px;color:var(--paper-ink)}
.score-play span.b{flex:none}
.score-play span.b{width:46px;height:46px;border-radius:50%;background:rgba(37,35,31,.07);display:grid;place-items:center;transition:background .3s}
.score-play:hover span.b{background:rgba(37,35,31,.12)}
.score-play svg{width:15px;height:15px;fill:var(--paper-ink)}
.score-play .t{font-family:var(--serif);font-style:italic;font-size:20px}
.score-trio{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,3vw,48px);align-items:start}
.score-trio .phone{--pw:100%}
.score-trio .phone:nth-child(2){margin-top:70px}
.score-trio .phone:nth-child(3){margin-top:140px}
.paper .phone-body{box-shadow:0 0 0 1px rgba(255,255,255,.07) inset,0 50px 80px -40px rgba(60,40,20,.5),0 20px 40px -20px rgba(60,40,20,.35)}
.folio{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(30px,4vw,64px);margin-top:clamp(90px,11vw,150px);border-top:1px solid rgba(37,35,31,.14);padding-top:44px}
.folio h3{font-family:var(--serif);font-style:italic;font-size:30px;line-height:1.1;margin-bottom:14px}
:lang(zh) .folio h3{font-style:normal;font-weight:400;font-size:24px}
.folio p{color:var(--paper-muted);font-size:15.5px;margin:0}
.shelf{display:flex;gap:clamp(14px,2vw,26px);margin-top:clamp(70px,9vw,120px);justify-content:center;perspective:1200px;align-items:flex-end}
.shelf figure{margin:0;width:clamp(120px,15vw,200px);transition:transform .8s var(--ease)}
.shelf figure img{border-radius:3px;box-shadow:0 30px 40px -24px rgba(60,40,20,.6),0 2px 0 rgba(255,255,255,.4) inset}
.shelf figure:nth-child(1){transform:rotateY(14deg) translateZ(-20px)}
.shelf figure:nth-child(4){transform:rotateY(-14deg) translateZ(-20px)}
.shelf figure:hover{transform:translateY(-12px)}
.shelf figcaption{margin-top:12px;font-family:var(--serif);font-style:italic;font-size:17px;text-align:center;color:var(--paper-muted)}
.paper .fineprint{margin-top:40px;color:var(--paper-muted);font-size:13.5px;text-align:center}

/* ───────────── fret (game) ───────────── */
.fret{background:var(--ground);color:#FFF6E6;overflow:clip;padding-bottom:clamp(64px,8vw,112px)}
.fret-hero{position:relative;aspect-ratio:16/9;overflow:hidden;width:calc(100% - 2 * var(--section-inset));max-width:1600px;margin:clamp(32px,5vw,72px) auto 0;border-radius:var(--section-radius)}
.fret-hero img.cover{width:100%;height:100%;object-fit:contain}
.fret-head{margin-top:clamp(24px,4vw,56px)}
.fret .numeral{-webkit-text-stroke-color:rgba(244,201,120,.4)}
.fret-hero .wrap{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:flex-end;padding-bottom:clamp(40px,6vw,90px)}
.fret .eyebrow{color:#F4C978}
.fret h2.display{max-width:9em;text-shadow:0 2px 30px rgba(32,23,15,.5)}
.fret-grid{display:grid;grid-template-columns:1fr auto;gap:clamp(40px,6vw,100px);align-items:center}
.fret .lede{color:#E9D9BF}
.fret .notes li{border-color:rgba(255,246,230,.12);color:#E2D3BA}
.fret .notes li::before{background:#F4C978}
.fret .notes b{color:#FFF6E6}
.fret-duo{display:flex;gap:24px;align-items:flex-end}
.fret-lanes{width:clamp(220px,22vw,320px);height:clamp(420px,40vw,560px);position:relative}
.fret-duo .phone:nth-child(2){margin-bottom:60px}
.bip{display:flex;align-items:center;gap:20px;margin-top:40px}
.bip img{width:110px;filter:drop-shadow(0 16px 20px rgba(0,0,0,.4));animation:hop 2.6s var(--ease) infinite}
.bip p{margin:0;font-family:var(--serif);font-style:italic;font-size:22px;color:#F4C978;max-width:14em;line-height:1.3}
:lang(zh) .bip p{font-style:normal;font-family:var(--sans);font-size:17px}
@keyframes hop{0%,100%{transform:translateY(0)}45%{transform:translateY(-10px) rotate(-2deg)}60%{transform:translateY(0)}}
@media (prefers-reduced-motion:reduce){.bip img{animation:none}}

/* ───────────── people ───────────── */
.people{padding:clamp(120px,15vw,210px) 0}
.who{list-style:none;margin:clamp(50px,7vw,90px) 0 0;padding:0}
.who li{position:relative;display:grid;grid-template-columns:minmax(200px,1fr) 1.6fr;gap:clamp(20px,4vw,70px);align-items:end;padding:32px 0 18px;cursor:default}
.who h3{font-family:var(--serif);font-size:clamp(28px,3.2vw,46px);line-height:1;transition:color .4s,transform .5s var(--ease)}
.who h3 em{font-style:italic;color:var(--muted)}
:lang(zh) .who h3{font-weight:200;font-size:clamp(24px,2.6vw,36px)}
.who p{margin:0;color:var(--muted);font-size:16px;max-width:36em;transition:color .4s}
.who li:hover h3{color:var(--mint);transform:translateX(8px)}
.who li:hover p{color:var(--ivory)}
.who .clef-tag{position:absolute;right:0;top:30px;font-family:var(--serif);font-style:italic;color:var(--faint);font-size:15px}

/* ───────────── privacy ───────────── */
.privacy{padding:clamp(90px,12vw,170px) 0}
.privacy-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:clamp(40px,6vw,110px);align-items:end}
.facts{list-style:none;margin:0;padding:0}
.facts li{display:flex;justify-content:space-between;gap:20px;padding:18px 0;border-top:1px solid rgba(236,231,220,.1);font-size:15px;color:var(--muted)}
.facts li:last-child{border-bottom:1px solid rgba(236,231,220,.1)}
.facts b{font-weight:400;color:var(--ivory)}

/* ───────────── membership ───────────── */
.membership{padding:clamp(100px,13vw,180px) 0}
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,2vw,28px);margin-top:clamp(50px,7vw,90px)}
.tier{position:relative;border-radius:22px;padding:24px 24px 28px;min-height:520px;display:flex;flex-direction:column;overflow:hidden;isolation:isolate;
  border:1px solid rgba(255,255,255,.08);transition:transform .6s var(--ease),box-shadow .6s var(--ease)}
.tier:hover{transform:translateY(-6px)}
.tier canvas{width:100%;aspect-ratio:1.6;display:block;margin:6px 0 10px}
.tier .top{display:flex;justify-content:space-between;align-items:center;font-size:11px;letter-spacing:.32em;opacity:.7}
.tier h3{font-family:var(--serif);font-size:40px;line-height:1;padding-top:10px}
:lang(zh) .tier h3{font-weight:400;font-size:30px}
.tier .price{margin:10px 0 18px;font-size:15px;opacity:.85;font-variant-numeric:tabular-nums}
.tier .price b{font-family:"Outfit";font-weight:300;font-size:28px;letter-spacing:-.01em}
.tier p{margin:0;font-size:14.5px;line-height:1.65;opacity:.78}
.tier.t0{background:linear-gradient(160deg,#2A3A32,#131A17);color:#EAF2ED;box-shadow:0 40px 80px -50px rgba(124,195,163,.35)}
.tier.t1{background:linear-gradient(160deg,#22314D,#0D1424);color:#EDF2FB;box-shadow:0 40px 80px -50px rgba(127,170,240,.35)}
.tier.t2{background:linear-gradient(160deg,#2A241A,#0B0A08);color:#F5ECDA;border-color:rgba(232,204,147,.25);box-shadow:0 40px 80px -50px rgba(232,204,147,.35)}
.tier .badge{font-size:11px;letter-spacing:.1em;padding:4px 10px;border-radius:999px;background:rgba(255,255,255,.08);opacity:1}
.tiers-note{margin-top:22px;font-size:13px;color:var(--faint);text-align:center}

/* ───────────── final ───────────── */
.final{padding:clamp(90px,10vw,150px) 0 clamp(60px,7vw,100px);text-align:center}
.final .fine{font-family:"Cormorant",serif;font-style:italic;font-weight:300;font-size:clamp(110px,17vw,250px);line-height:.8;letter-spacing:-.02em;color:var(--ivory)}
.final h2{font-family:var(--serif);font-weight:300;font-size:clamp(26px,3vw,40px);margin:30px auto 0;max-width:20em;line-height:1.25}
:lang(zh) .final h2{font-weight:200;font-size:clamp(22px,2.4vw,32px);letter-spacing:.06em;line-height:1.6}
.final .ctas{display:flex;justify-content:center;gap:12px;margin-top:40px;flex-wrap:wrap}
.final .fine{padding:.12em 0 .08em}
.seal{width:64px;height:68px;margin:48px auto 0;background:var(--seal);display:grid;place-items:center;border-radius:4px;transform:scale(1.6) rotate(-6deg);opacity:0;transition:transform .5s cubic-bezier(.3,1.6,.5,1),opacity .2s;box-shadow:0 0 0 1px rgba(255,255,255,.04) inset}
.seal svg{height:52px;width:auto;fill:#fff}
.seal.in{transform:scale(1) rotate(-3deg);opacity:1}
.seal-cap{margin-top:16px;font-size:12px;letter-spacing:.3em;color:var(--faint);text-transform:uppercase}

/* ───────────── footer ───────────── */
footer{border-top:1px solid rgba(236,231,220,.08);padding:44px 0 54px;font-size:13px;color:var(--faint)}
footer .wrap{display:flex;flex-wrap:wrap;gap:20px 40px;align-items:center;justify-content:space-between}
footer .brand{color:var(--muted)}
footer nav{display:flex;gap:22px;flex-wrap:wrap}
footer a{text-decoration:none;color:var(--muted)}
footer a:hover{color:var(--ivory)}

/* ───────────── responsive ───────────── */
@media (max-width:1100px){
  .chapters{display:none}
  .hero-grid{grid-template-columns:auto 1fr}
  .hero-phone{grid-column:1 / -1;justify-self:center;margin-top:30px}
}
@media (max-width:900px){
  .split,.ear-grid,.tuner-body,.fret-grid,.privacy-grid{grid-template-columns:1fr}
  .practice-phones{grid-template-columns:1fr}
  .ear-phones{grid-template-columns:1fr;justify-items:center}
  .modes{grid-template-columns:1fr}
  .mode,.mode+.mode{padding:24px 0;border-left:0}
  .mode+.mode{border-top:1px solid rgba(236,231,220,.1)}
  .folio{grid-template-columns:1fr}
  .tiers{grid-template-columns:1fr}
  .tier{min-height:0}
  .score-trio{grid-template-columns:repeat(3,1fr);gap:12px}
  .index a{grid-template-columns:40px 1fr 34px;row-gap:6px}
  .index .n{grid-column:1;grid-row:1}
  .index .t{grid-column:2;grid-row:1}
  .index .d{grid-column:2;grid-row:2}
  .index .arr{grid-column:3;grid-row:1 / 3;align-self:center;width:22px}
  .who li{grid-template-columns:1fr;gap:10px}
  .tuner-body .phone,.fret-grid .fret-duo{justify-self:center}
}
@media (max-width:640px){
  :root{--nav-h:58px}
  body{font-size:16px}
  .btn-small .lbl{display:none}
  .btn-small{padding:9px}
  .brand span{display:none}
  .hero{padding-top:calc(var(--nav-h) + 10px);align-items:start}
  .hero-grid{grid-template-columns:1fr;justify-items:start;gap:0}
  .clef{grid-row:1;justify-self:start;margin:0 0 -10px}
  .hero-copy{grid-row:2}
  .hero-phone{grid-row:3}
  .chapter-head{grid-template-columns:1fr}
  .numeral{font-size:96px;margin-bottom:-6px}
  .duo .phone{--pw:44vw!important}
  .duo .phone:nth-child(2){margin-bottom:-30px}
  .score-trio .phone:nth-child(2){margin-top:34px}
  .score-trio .phone:nth-child(3){margin-top:68px}
  .shelf{gap:10px}
  .shelf figure{width:22vw}
  .shelf figcaption{font-size:13px}
  .fret-duo{flex-direction:column;align-items:center;width:100%}
  .fret-duo .phone{--pw:58vw!important}
  .fret-duo [data-anchor]{width:100%!important;height:440px!important}
  .fret-duo .phone:nth-child(2){margin-bottom:0}
  .bip{align-items:flex-start}
  .score-stage{height:150px;margin-top:70px}
  .score-play{top:-38px;transform:none}
  .tuner-stage .readout b{font-size:34px}
  .tuner-stage{margin-bottom:70px}
  .tuner-stage .hint{left:0;right:auto;bottom:-38px;max-width:100%;color:var(--muted)}
  .tuner-stage .readout{gap:12px;flex-wrap:wrap}
  .scroll-cue{display:none}
  .phone-caption{font-size:12px}
}

/* Keep the legal company information readable in the footer. */
footer p{color:var(--muted)}