@font-face{font-family:"Cormorant";font-style:italic;font-weight:300 700;font-display:swap;src:url(fonts/cormorant-italic-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Cormorant";font-style:italic;font-weight:300 700;font-display:swap;src:url(fonts/cormorant-italic-latin-ext.woff2) format("woff2");unicode-range:U+0100-02AF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-weight:100 700;font-display:swap;src:url(fonts/IBMPlexSans-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-weight:100 700;font-display:swap;src:url(fonts/IBMPlexSans-latin-ext.woff2) format("woff2");unicode-range:U+0100-02AF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}

:root{
  --bg:#16120d;--fg:#f2e7d6;--mut:#b9a98f;--acc:#ffbe73;--line:#3b3226;
  --ink:#f6ecdc;--muted:#b9a98f;--amber:#ffbe73;--off:#7fd8c9;--stage-bg:#0f0c09;
  --key-bg:#0b0907;--key-white:#d9cdb9;--key-black:#2a231b;
  --wood:#8a5a2b;--wood-hi:#c48a4c;--wood-lo:#4a2e14;--bark:#2b1d10;
  --panel:#1e1913;--btn:#2a221a;--btn-fg:#f6ecdc;
  --col:42rem;--wide:68rem;
  --to-top-bg:#16120d;--to-top-fg:#f2e7d6;
}
:root[data-theme=light]{
  --bg:#f5efe4;--fg:#21190f;--mut:#6b5b45;--acc:#9a5410;--line:#d9ccb6;
  --ink:#21190f;--muted:#6b5b45;--amber:#a85d12;--off:#0f7466;--stage-bg:#fbf7f0;
  --key-bg:#e9e0d0;--key-white:#fffdf8;--key-black:#3a2f22;
  --wood:#b07a43;--wood-hi:#d9a66b;--wood-lo:#6e4720;--bark:#4a3018;
  --panel:#ece3d3;--btn:#e6dac6;--btn-fg:#21190f;
  --to-top-bg:#f5efe4;--to-top-fg:#21190f;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-padding-top:56px}
body{margin:0;background:var(--bg);color:var(--fg);font:400 1.0625rem/1.62 "IBM Plex Sans",system-ui,sans-serif;font-feature-settings:"kern"}
a{color:var(--acc);text-underline-offset:.18em}
button{font:inherit}
.skip-link{position:absolute;left:-999px;top:0;background:var(--acc);color:var(--bg);padding:.5rem 1rem;z-index:100}
.skip-link:focus{left:1rem}
:focus-visible{outline:2px solid var(--acc);outline-offset:2px}

/* top bar: one line, quiet */
.topbar{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:.75rem;height:calc(48px + var(--browser-safe-top,env(safe-area-inset-top)));padding:var(--browser-safe-top,env(safe-area-inset-top)) max(16px,env(safe-area-inset-right)) 0 max(16px,env(safe-area-inset-left));background:var(--bg);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:.5rem;color:var(--fg);text-decoration:none;font:italic 600 1.35rem/1 "Cormorant",Georgia,serif;white-space:nowrap}
.brand-mark{width:30px;height:22px;color:var(--acc)}
.topnav{display:flex;gap:1rem;overflow-x:auto;scrollbar-width:none;font-size:.88rem;min-width:0}
.topnav::-webkit-scrollbar{display:none}
.topnav a{color:var(--mut);text-decoration:none;white-space:nowrap}
.topnav a:hover{color:var(--fg)}
.spacer{flex:1}
.chip{font-size:.85rem;color:var(--mut);text-decoration:none;border:1px solid var(--line);border-radius:999px;padding:.2rem .7rem;white-space:nowrap}
.icon-btn{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:transparent;color:var(--fg);cursor:pointer}
:root[data-theme=dark] .i-sun{display:block}:root[data-theme=dark] .i-moon{display:none}
:root[data-theme=light] .i-sun{display:none}:root[data-theme=light] .i-moon{display:block}
@media(max-width:640px){.topnav{display:none}}

/* hero */
.hero{max-width:var(--wide);margin:0 auto;padding:clamp(1.5rem,4vw,3.5rem) 16px 1rem}
.hero-text{max-width:var(--col)}
.kicker{margin:0 0 .6rem;color:var(--acc);font-size:.82rem;letter-spacing:.08em;text-transform:uppercase}
h1{font:italic 600 clamp(2.1rem,5.4vw,3.6rem)/1.04 "Cormorant",Georgia,serif;margin:0 0 1rem;letter-spacing:-.005em;text-wrap:balance}
.deck{font-size:1.12rem;color:var(--fg);margin:0 0 .8rem}
.hero-more .deck{color:var(--mut)}
.hero-more{max-width:var(--col);margin-top:1.2rem}
.shared-line{background:var(--panel);border-left:3px solid var(--acc);padding:.5rem .8rem;margin:0 0 1rem;font-size:.95rem}
.linkish{background:none;border:0;color:var(--acc);text-decoration:underline;cursor:pointer;padding:0}
.call-received{display:flex;flex-wrap:wrap;gap:.6rem;align-items:center;background:var(--panel);border:1px solid var(--off);border-radius:12px;padding:.8rem 1rem;margin:1rem 0}
.call-received p{margin:0;flex:1 1 14rem}

.stage{margin:1.4rem 0 0}
.tabs{display:flex;gap:.4rem;flex-wrap:wrap;margin-bottom:.8rem}
.tab{border:1px solid var(--line);background:transparent;color:var(--mut);border-radius:999px;padding:.35rem .85rem;font-size:.9rem;cursor:pointer;min-height:36px}
.tab[aria-pressed=true]{background:var(--acc);border-color:var(--acc);color:var(--bg)}
.stage-head{display:flex;gap:1rem;align-items:center;margin-bottom:.6rem}
.stage-title{margin:0;font:italic 600 1.35rem/1.15 "Cormorant",Georgia,serif}
.stage-note{margin:.1rem 0 0;color:var(--mut);font-size:.9rem}
.stage-frame{position:relative;border-radius:14px;overflow:hidden;border:1px solid #3b3226;background:#0f0c09}
#stage-canvas{display:block;width:100%;height:360px;cursor:pointer;touch-action:manipulation}
@media(min-width:761px){#stage-canvas{height:420px}}
.stage-msg{position:absolute;inset:auto 1rem 1rem;margin:0;color:var(--mut)}
.stage-readout{min-height:1.6em;margin:.5rem 0 0;font-size:.95rem;color:var(--fg)}
.stage-readout.is-off,.horn-live.is-off{color:var(--off)}
.credit{margin-top:.6rem;color:var(--mut);font-size:.8rem;line-height:1.45}
.credit a{color:inherit}

.btn{display:inline-flex;align-items:center;gap:.4rem;min-height:44px;padding:.5rem 1.05rem;border-radius:999px;border:1px solid var(--line);background:var(--btn);color:var(--btn-fg);cursor:pointer;white-space:nowrap}
.btn.primary{background:var(--acc);border-color:var(--acc);color:var(--bg);font-weight:600}
.btn.quiet{background:transparent;color:var(--mut)}
.btn[data-on]{background:#c4423a;border-color:#c4423a;color:#fff}

/* article */
.after{padding:1rem 16px 3rem}
.block{max-width:var(--col);margin:3.2rem auto 0;scroll-margin-top:60px}
.block.wide{max-width:var(--wide)}
.block.wide>h2,.block.wide>p{max-width:var(--col);margin-left:auto;margin-right:auto}
h2{font:italic 600 clamp(1.7rem,3.6vw,2.3rem)/1.1 "Cormorant",Georgia,serif;margin:0 0 .9rem;text-wrap:balance}
.anchor{margin-left:.4rem;font:400 .9rem "IBM Plex Sans",sans-serif;color:var(--line);text-decoration:none;opacity:0}
h2:hover .anchor,.anchor:focus{opacity:1}
p{margin:0 0 1rem}
.lede{font-size:1.05rem}
.small{font-size:.88rem;color:var(--mut)}

/* chart */
.chart-fig{margin:1.4rem 0 1.6rem}
.chart{width:100%;height:auto;display:block}
.chart-fig figcaption{color:var(--mut);font-size:.85rem;margin-top:.3rem}
.ch-key{fill:var(--key-white);opacity:.9;stroke:var(--line)}
.ch-lab{fill:var(--mut);font:500 15px "IBM Plex Sans",sans-serif}
.ch-ideal{stroke:var(--mut);stroke-dasharray:3 4}
.ch-dot{fill:var(--off)}
.ch-med{stroke:var(--off);stroke-width:2}
.ch-med-t{fill:var(--off);font-weight:600}
.ch-axis,.ch-tick{stroke:var(--line)}
.ch-tl{fill:var(--mut);font:14px "IBM Plex Sans",sans-serif}

/* the playable horn */
.horn-wrap{display:grid;grid-template-columns:minmax(220px,300px) 1fr;gap:1.5rem;margin:1.2rem auto;max-width:var(--wide);align-items:start}
.ladder{display:flex;flex-direction:column;gap:5px;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;padding:6px;border-radius:14px;background:var(--panel);border:1px solid var(--line)}
.rung{display:grid;grid-template-columns:2.2rem 1fr 3.2rem;align-items:center;gap:.5rem;min-height:44px;padding:0 .7rem;border-radius:10px;border:1px solid transparent;background:var(--stage-bg);color:var(--fg);cursor:pointer;touch-action:none;text-align:left}
.rung .rn{font:italic 600 1.35rem/1 "Cormorant",Georgia,serif}
.rung .rbar{height:2px;background:var(--line);border-radius:2px}
.rung .roff{font-size:.8rem;color:var(--mut);text-align:right;font-variant-numeric:tabular-nums}
.rung.odd .rn,.rung.odd .roff{color:var(--off)}
.rung.odd .rbar{background:color-mix(in srgb,var(--off) 55%,transparent)}
.rung.on{border-color:var(--acc);background:color-mix(in srgb,var(--acc) 22%,var(--stage-bg))}
.rung.on .rbar{background:var(--acc);height:4px}
.rung.odd.on{border-color:var(--off);background:color-mix(in srgb,var(--off) 20%,var(--stage-bg))}
.horn-side{min-width:0}
#horn-canvas{display:block;width:100%;height:240px}
.horn-live{min-height:3em;margin:.4rem 0 1rem;font-size:1rem}
.piano-label{font-size:.82rem;color:var(--mut);margin:0 0 .3rem}
.piano{position:relative;height:96px;user-select:none}
.pmarks{position:relative;height:26px}
.pm{position:absolute;bottom:2px;transform:translateX(-50%);font:italic 600 1rem/1 "Cormorant",Georgia,serif;color:var(--mut);padding:2px 4px;border-radius:6px}
.pm.odd{color:var(--off)}
.pm.on{background:var(--acc);color:var(--bg)}
.pm.odd.on{background:var(--off)}
.pkeys{position:relative;height:66px;border-top:1px solid var(--line)}
.pk{position:absolute;top:0;height:64px;background:var(--key-white);border:1px solid var(--key-bg);border-radius:0 0 3px 3px}
.pk.b{height:40px;background:var(--key-black);z-index:1;border-color:var(--key-black)}
.pk.on{background:var(--acc)}
.pk.near{background:color-mix(in srgb,var(--off) 60%,var(--key-white))}
@media(max-width:760px){.horn-wrap{grid-template-columns:1fr}.ladder{order:2;width:66%}.horn-side{order:1}#horn-canvas{height:110px}.rung{min-height:40px}}

/* send */
.rec-row{display:flex;flex-wrap:wrap;gap:.8rem;align-items:center}
.rec-msg{margin:0;color:var(--mut);font-size:.92rem}
.send{margin-top:1rem;padding:1rem;border:1px solid var(--line);border-radius:14px;background:var(--panel)}
#call-canvas{display:block;width:100%;height:120px;border-radius:10px}
.send-btns{display:flex;gap:.6rem;flex-wrap:wrap;margin:.6rem 0}

/* share */
.share{margin:1rem 0}
.share-row{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}
.share-label{color:var(--mut);font-size:.88rem;margin-right:.2rem}
.ic{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:transparent;color:var(--fg);cursor:pointer}
.ic:hover,.ic:focus-visible{color:var(--acc);border-color:var(--acc)}
@media(pointer:coarse){.ic{width:44px;height:44px}}
.share-msg{min-height:1.2em;font-size:.85rem;color:var(--mut);margin:.3rem 0 0}
.end-share{max-width:var(--col);margin:3rem auto 0}

.sources{padding-left:1.1rem;font-size:.9rem;color:var(--mut)}
.sources li{margin-bottom:.4rem}
.nojs{max-width:var(--col);color:var(--mut)}
.site-footer{display:flex;flex-wrap:wrap;gap:1rem 1.5rem;justify-content:center;padding:2rem 16px 3rem;border-top:1px solid var(--line);color:var(--mut);font-size:.88rem}
.site-footer a{color:var(--mut)}

/* reading rail (templates/reading-rail.css, --col set to the text column) */
.rail{display:none}
@media(min-width:1100px){
.rail{--col:68rem;--gut:1.25rem;display:flex;flex-direction:column;position:fixed;top:50%;left:calc(50% + min(var(--col),100vw - 6rem)/2 + var(--gut));transform:translateY(-50%);z-index:40;margin:0;padding:.4rem 0;max-height:calc(100vh - 7rem);opacity:0;transition:opacity .4s}
html.past-hero .rail{opacity:1}
.rail::before{content:"";position:absolute;left:calc(.875rem - .5px);top:1.1rem;bottom:1.1rem;width:1px;background:var(--line)}
.rail-dot{position:relative;display:flex;align-items:center;justify-content:center;width:1.75rem;height:1.75rem;text-decoration:none;border-radius:50%}
.rail-dot .dot{width:7px;height:7px;border-radius:50%;background:var(--mut);box-shadow:0 0 0 3px var(--bg);transition:transform .2s,background .2s,box-shadow .2s;flex:none}
.rail-dot:hover .dot,.rail-dot:focus-visible .dot{background:var(--acc);transform:scale(1.25)}
.rail-dot[aria-current=true] .dot{background:var(--acc);transform:scale(1.45);box-shadow:0 0 0 3px var(--bg),0 0 0 4.5px color-mix(in srgb,var(--acc) 38%,transparent)}
.rail-label{position:absolute;right:calc(100% + .3rem);top:50%;transform:translate(6px,-50%);padding:.22rem .65rem;border:1px solid var(--line);border-radius:.5rem;background:var(--bg);color:var(--fg);font-size:.82rem;font-weight:600;line-height:1.3;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .15s,transform .15s}
.rail-dot:hover .rail-label,.rail-dot:focus-visible .rail-label{opacity:1;transform:translate(0,-50%)}
}
@media(max-width:1239px){.rail{display:none}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media print{.topbar,.rail,.share,.end-share,.horn-wrap,.rec-row{display:none}}
.photo{margin:1.2rem 0 1.6rem}
.photo img{display:block;width:100%;height:auto;border-radius:12px;filter:sepia(.18) contrast(1.02)}
:root[data-theme=dark] .photo img{filter:sepia(.25) brightness(.92)}
.photo figcaption{color:var(--mut);font-size:.8rem;line-height:1.45;margin-top:.45rem}
.photo figcaption a{color:inherit}
.block.wide>.photo.full{max-width:var(--wide)}
.block.wide>p,.block.wide .two{max-width:var(--col);margin-left:auto;margin-right:auto}
@media(min-width:1000px){.block.wide .two{display:grid;grid-template-columns:1fr 22rem;gap:2rem;max-width:var(--wide)}.two .photo{margin-top:.3rem}}
/* wide screens: the disc beside the words, in the first screen */
@media(min-width:1100px){
  .hero{display:grid;grid-template-columns:minmax(22rem,27rem) 1fr;grid-template-rows:auto 1fr;column-gap:2.6rem;align-items:start;max-width:90rem;padding-top:2.4rem}
  .hero-text{grid-column:1;grid-row:1}.hero-more{grid-column:1;grid-row:2;margin-top:0}.stage{grid-column:2;grid-row:1/3}
  .hero h1{font-size:clamp(2.2rem,3.1vw,3rem)}
  .hero .deck{font-size:1.02rem}
  .stage{margin-top:.2rem}
  #stage-canvas{height:480px}
  .hero>noscript{grid-column:1/-1}
}
.ch-dot2{fill:none;stroke:var(--amber);stroke-width:2}
.ch-pull{fill:var(--amber)}

/* the photo band at the top */
.hero-band{position:relative}
.hero-photo{margin:0}
.hero-photo img{display:block;width:100%;height:440px;object-fit:cover;object-position:50% 38%;border-radius:0;filter:sepia(.35) contrast(1.05) brightness(.9)}
.hero-photo figcaption{max-width:90rem;margin:.4rem auto 0;padding:0 16px;font-size:.74rem}
.hero-title{position:absolute;left:0;right:0;top:0;height:440px;display:flex;flex-direction:column;justify-content:flex-end;padding:0 max(16px,calc(50vw - 45rem + 16px)) 1.6rem;background:linear-gradient(to top,rgba(14,11,8,.94) 0%,rgba(14,11,8,.62) 40%,rgba(14,11,8,0) 72%)}
.hero-title h1{color:#fbf3e6;max-width:46rem;text-shadow:0 2px 18px rgba(0,0,0,.45);margin-bottom:.2rem}
.hero-title .kicker{color:#ffcf8f}
@media(max-width:760px){
  .hero-photo img{height:210px}
  .hero-title{position:static;height:auto;background:none;padding:1.1rem 16px 0}
  .hero-title h1{color:var(--fg);text-shadow:none}
  .hero-title .kicker{color:var(--acc)}
  .hero-photo figcaption{order:2}
}
@media(min-width:1100px){.hero{padding-top:1.2rem}}
@media(max-width:760px){.pm{font-size:.8rem}}

/* the ladder sits light beside the horn on wide screens */
@media(min-width:761px){
  .horn-wrap{grid-template-columns:200px 1fr}
  .ladder{background:transparent;border:0;padding:0;gap:2px}
  .rung{background:transparent;border-radius:6px;min-height:38px}
  .rung:hover{background:color-mix(in srgb,var(--acc) 10%,transparent)}
}
.hero-title .kicker{text-shadow:0 1px 10px rgba(0,0,0,.85);font-weight:600}
@media(min-width:761px){.hero-title{background:linear-gradient(to top,rgba(14,11,8,.95) 0%,rgba(14,11,8,.7) 45%,rgba(14,11,8,.15) 80%),linear-gradient(to right,rgba(14,11,8,.55),rgba(14,11,8,0) 55%)}}
.ladder-head{font-size:.78rem;color:var(--mut);margin:0 0 .4rem}
.hero-photo img{object-position:50% 12%}
@media(max-width:760px){.ladder-col{order:2;width:66%}.ladder{width:100%}}