@font-face{font-family:'Instrument Serif';src:url('fonts/instrument-serif-latin-400-normal.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Instrument Serif';src:url('fonts/instrument-serif-latin-400-italic.woff2') format('woff2');font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:'Libre Franklin';src:url('fonts/libre-franklin-latin-wght-normal.woff2') format('woff2');font-weight:100 900;font-style:normal;font-display:swap}
@font-face{font-family:'Libre Franklin';src:url('fonts/libre-franklin-latin-wght-italic.woff2') format('woff2');font-weight:100 900;font-style:italic;font-display:swap}
@font-face{font-family:'Courier Prime';src:url('fonts/courier-prime-latin-400-normal.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Courier Prime';src:url('fonts/courier-prime-latin-700-normal.woff2') format('woff2');font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:'Courier Prime';src:url('fonts/courier-prime-latin-400-italic.woff2') format('woff2');font-weight:400;font-style:italic;font-display:swap}

/* Kitchen-table neutrals (dna1) and the type system (dna2) */
:root{
  --paper:#ece4d6;
  --ink:#241f1b;
  --clay:#9a5a3c;
  --sage:#7d8468;
  --linen:#c9b79c;
  --paper-deep:#e2d8c6;
  --ink-soft:#4a423b;
  --font-display:'Instrument Serif', Georgia, serif;
  --font-body:'Libre Franklin', 'Franklin Gothic Medium', Arial, sans-serif;
  --font-type:'Courier Prime', 'Courier New', monospace;
  --ease-focus:cubic-bezier(.2,.7,.2,1);
  --measure:68ch;
}

*,*::before,*::after{box-sizing:border-box}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:1.0625rem;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--clay);text-underline-offset:.18em;text-decoration-thickness:1px;transition:color .25s var(--ease-focus)}
a:hover{color:var(--ink)}
a:focus-visible,button:focus-visible{outline:2px solid var(--clay);outline-offset:3px;border-radius:2px}
code{font-family:var(--font-type);font-size:.92em;background:var(--paper-deep);padding:.1em .35em;border-radius:3px;word-break:break-word}

.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:var(--paper);padding:.5rem 1rem;z-index:10}
.skip:focus{left:1rem}

.wrap{max-width:1180px;margin:0 auto;padding:0 clamp(1.25rem,4vw,3rem)}

/* Header */
.masthead{border-bottom:1px solid var(--linen)}
.masthead .wrap{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;padding-top:1.1rem;padding-bottom:1.1rem;flex-wrap:wrap}
.wordmark{font-family:var(--font-display);font-size:1.7rem;color:var(--ink);text-decoration:none;letter-spacing:.01em}
.masthead nav ul{display:flex;gap:1.4rem;list-style:none;margin:0;padding:0;font-size:.85rem;letter-spacing:.04em;text-transform:uppercase}
.masthead nav a{color:var(--ink-soft);text-decoration:none}
.masthead nav a:hover{color:var(--clay)}

/* Section rhythm */
section{padding:clamp(4rem,9vw,7.5rem) 0;border-bottom:1px solid var(--linen)}
.slate{font-family:var(--font-type);font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;color:var(--sage);margin:0 0 1.2rem;display:flex;gap:.8rem;align-items:center}
.slate::before{content:"";width:2.2rem;height:1px;background:var(--sage)}
h1,h2,h3{font-family:var(--font-display);font-weight:400;line-height:1.02;margin:0;letter-spacing:-.01em}
h2{font-size:clamp(2.4rem,5.4vw,4.4rem);max-width:18ch}
h2 em,h1 em{font-style:italic;color:var(--clay)}
.intro{font-size:1.15rem;max-width:var(--measure);color:var(--ink-soft);margin:1.4rem 0 0}

/* Opening */
#opening{padding-top:clamp(3.5rem,8vw,6.5rem)}
#opening h1{font-size:clamp(3.2rem,9vw,8rem);max-width:13ch}
.opening-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:clamp(2rem,5vw,5rem);align-items:end}
.lead{font-family:var(--font-display);font-style:italic;font-size:clamp(1.5rem,2.6vw,2.1rem);line-height:1.2;margin:0 0 1.2rem;color:var(--ink)}
.opening-aside p{margin:0 0 1rem;max-width:40ch}
.actions{display:flex;gap:.9rem;flex-wrap:wrap;margin-top:1.6rem}
.btn{display:inline-block;font-family:var(--font-body);font-weight:600;font-size:.95rem;padding:.8rem 1.3rem;border:1px solid var(--ink);color:var(--ink);text-decoration:none;border-radius:999px;transition:background-color .3s var(--ease-focus),color .3s var(--ease-focus),transform .2s var(--ease-focus)}
.btn:hover{background:var(--ink);color:var(--paper)}
.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--clay);border-color:var(--clay);color:var(--paper)}
.btn.primary:hover{background:var(--ink);border-color:var(--ink)}

/* Transcript (dna5) */
.transcript{margin-top:3rem;max-width:62rem;font-family:var(--font-type);font-size:1.02rem;line-height:1.65}
.line{display:grid;grid-template-columns:11rem 1fr;gap:1.5rem;padding:1.15rem 0;border-top:1px dashed var(--linen)}
.line:last-child{border-bottom:1px dashed var(--linen)}
.speaker{font-weight:700;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--sage);padding-top:.25rem}
.line.q .said{color:var(--ink-soft);font-style:italic}
.line.a .speaker{color:var(--clay)}
.said{margin:0}

/* Blind-spot figure (dna4) */
.figure-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:clamp(2rem,5vw,4.5rem);align-items:start;margin-top:3rem}
#blind-spot{width:100%;height:auto;display:block}
#blind-spot .field-dot{fill:none;stroke:var(--linen);stroke-width:1.4}
#blind-spot .named{fill:var(--clay);transform-box:fill-box;transform-origin:center}
.js #blind-spot .named{opacity:0}
.js .in #blind-spot .named{opacity:1}
.in #blind-spot .named{animation:dot-settle .9s var(--ease-focus) both;animation-delay:calc(var(--i) * 45ms + 150ms)}
@keyframes dot-settle{from{opacity:0;transform:scale(2.4)}to{opacity:1;transform:scale(1)}}
.numerals{margin:0}
.big{display:block;font-family:var(--font-body);font-weight:900;font-variant-numeric:tabular-nums;font-size:clamp(4rem,9vw,7.5rem);line-height:.9;letter-spacing:-.04em;color:var(--ink)}
.big small{font-size:.38em;font-weight:500;letter-spacing:0;color:var(--ink-soft)}
.big.clay{color:var(--clay)}
.numerals dd{margin:.5rem 0 2rem;max-width:34ch;color:var(--ink-soft)}
.numerals dt{font-family:var(--font-type);font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:var(--sage)}
figcaption.note{font-family:var(--font-type);font-size:.85rem;color:var(--ink-soft);margin-top:1rem;max-width:56ch}
.key{display:inline-block;width:.7em;height:.7em;border-radius:50%;vertical-align:middle;margin:0 .25em}
.key.open{border:1.4px solid var(--linen)}
.key.fill{background:var(--clay)}

/* Contact sheet (dna7) */
#contact-sheet{display:grid;grid-template-columns:repeat(5,1fr);gap:1.1rem;margin-top:3rem;padding:1.1rem;background:var(--ink);border-radius:4px;list-style:none}
.frame{color:var(--paper);display:flex;flex-direction:column}
.frame-pic{aspect-ratio:4 / 5;background:var(--paper-deep);color:var(--ink);padding:1.1rem;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}
.frame-pic .num{font-family:var(--font-body);font-weight:900;font-variant-numeric:tabular-nums;font-size:4.2rem;line-height:.85;color:var(--clay);letter-spacing:-.04em}
.frame-pic h3{font-size:1.9rem;line-height:1}
.frame-pic::after{content:"";position:absolute;inset:.55rem;border:1px solid var(--linen);pointer-events:none}
.frame-meta{font-family:var(--font-type);font-size:.72rem;letter-spacing:.12em;color:var(--linen);display:flex;justify-content:space-between;padding:.55rem .1rem .7rem}
.frame-text{font-size:.9rem;line-height:1.55;color:var(--paper);margin:0;opacity:.92}

/* Backstage (dna6) */
#backstage{padding-top:clamp(3rem,6vw,5rem)}
#backstage .intro{margin-top:1rem}
#backstage .cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,20rem),1fr));gap:1.4rem;margin-top:2rem;list-style:none;padding:0}
.card{perspective:1600px}
.card-inner{display:grid;transform-style:preserve-3d;transition:transform .7s cubic-bezier(.2,.7,.2,1);height:100%}
.face{grid-area:1 / 1;backface-visibility:hidden;-webkit-backface-visibility:hidden;padding:1.6rem 1.5rem 1.4rem;border:1px solid var(--linen);background:var(--paper);display:flex;flex-direction:column;gap:.9rem}
.face.back{transform:rotateY(180deg);background:var(--ink);color:var(--paper);border-color:var(--ink)}
.card.turned .card-inner{transform:rotateY(180deg)}
.face h3{font-size:1.85rem}
.face p{margin:0;font-size:.97rem}
.face .tag{font-family:var(--font-type);font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:var(--sage)}
.face.back .tag{color:var(--linen)}
.face.back .limit{font-family:var(--font-display);font-size:1.7rem;line-height:1.15;font-style:italic}
.turn{margin-top:auto;align-self:flex-start;font:600 .85rem var(--font-body);background:none;border:1px solid currentColor;color:inherit;border-radius:999px;padding:.55rem 1rem;cursor:pointer;transition:background-color .3s var(--ease-focus),color .3s var(--ease-focus)}
.face.front .turn{color:var(--clay)}
.turn:hover{background:var(--clay);color:var(--paper);border-color:var(--clay)}
/* without the script both sides stay readable */
html:not(.js) .card-inner{transform:none}
html:not(.js) .face{grid-area:auto}
html:not(.js) .face.back{transform:none}
html:not(.js) .turn{display:none}

/* Agents, try, built */
.three{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;margin-top:3rem}
.agent{border-top:2px solid var(--ink);padding-top:1.2rem}
.agent h3{font-size:2rem;margin-bottom:.8rem}
.agent ol{padding-left:1.2rem;margin:0 0 .9rem}
.agent li{margin-bottom:.5rem}
.agent p{margin:0;color:var(--ink-soft);font-size:.96rem}
.keyline{margin-top:2.2rem;font-family:var(--font-display);font-size:1.6rem;font-style:italic;max-width:40ch}

.try-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:1.4rem;margin-top:3rem}
.try-item{background:var(--paper-deep);padding:1.6rem;border-radius:4px}
.try-item.main{background:var(--ink);color:var(--paper)}
.try-item h3{font-size:2.1rem;margin-bottom:.8rem}
.try-item ul{margin:0;padding-left:1.1rem}
.try-item li{margin-bottom:.55rem}
.try-item p{margin:0}
.try-item.main a{color:var(--linen)}

.two{display:grid;grid-template-columns:1.4fr 1fr;gap:clamp(2rem,5vw,4.5rem);margin-top:3rem}
.ledger{list-style:none;margin:0;padding:0}
.ledger li{padding:.85rem 0;border-top:1px solid var(--linen)}
.ledger li:last-child{border-bottom:1px solid var(--linen)}
.aside-block h3{font-size:1.9rem;margin-bottom:.8rem}
.aside-block p{margin:0 0 .9rem;color:var(--ink-soft)}

#this-page .intro{font-family:var(--font-display);font-size:clamp(1.5rem,2.6vw,2.1rem);line-height:1.2;color:var(--ink);max-width:36ch}
#this-page p.fine{max-width:var(--measure);color:var(--ink-soft)}

footer{padding:3rem 0 4rem}
footer .wrap{display:flex;justify-content:space-between;gap:1.5rem;flex-wrap:wrap;font-size:.92rem}
footer p{margin:0}

/* Slow rack focus (dna3) */
@keyframes rack-focus{
  0%{opacity:0;filter:blur(4px);transform:translateY(14px) scale(.99)}
  35%{opacity:1;filter:blur(0)}
  100%{opacity:1;filter:blur(0);transform:none}
}
.js .reveal{opacity:0}
.js .reveal.in{animation:rack-focus 1.4s cubic-bezier(.2,.7,.2,1) both}
.js .reveal.in.d1{animation-delay:.12s}
.js .reveal.in.d2{animation-delay:.24s}
.js .reveal.in.d3{animation-delay:.36s}

@media (prefers-reduced-motion: reduce){
  .js .reveal,.js .reveal.in{opacity:1;animation:none}
  .in #blind-spot .named{animation:none}
  .js #blind-spot .named{opacity:1}
  .card-inner,.btn,.turn,a{transition:none}
}

/* Responsive */
@media (max-width: 960px){
  .opening-grid,.figure-grid,.two{grid-template-columns:1fr}
  .three,.try-grid{grid-template-columns:1fr}
  #contact-sheet{grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:minmax(15rem,72vw);overflow-x:auto;scroll-snap-type:x mandatory}
  .frame{scroll-snap-align:start}
}
@media (max-width: 620px){
  .masthead nav ul{gap:.9rem;font-size:.75rem;flex-wrap:wrap}
  .line{grid-template-columns:1fr;gap:.3rem}
  body{font-size:1rem}
}