@font-face{font-family:Instrument;src:url('../assets/fonts/serif-normal.woff2') format('woff2');font-style:normal;font-display:swap}
@font-face{font-family:Instrument;src:url('../assets/fonts/serif-italic.woff2') format('woff2');font-style:italic;font-display:swap}
:root{--paper:#f5f2e9;--ink:#20332e;--muted:#536159;--line:#bdc2b5;--copper:#99502f;--plate:#103b43;--mono:ui-monospace,'Cascadia Mono',Consolas,monospace;--pad:clamp(1rem,4.8vw,6rem);color:var(--ink);background:var(--paper);font:100%/1.45 Arial,Helvetica,sans-serif;color-scheme:light}
*{box-sizing:border-box}
body,h1,h2,h3,p,figure{margin:0}
button,a{font:inherit;color:inherit}
a{text-decoration:none}
button{cursor:pointer}
:focus-visible{outline:3px solid #ae5327;outline-offset:4px}
::selection{background:#e4b583;color:#172f29}
.sr-only,.skip:not(:focus){position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.skip:focus{position:fixed;top:1rem;left:1rem;z-index:100;padding:.8rem;background:var(--paper)}
.wrap{max-width:1690px;margin-inline:auto;padding-inline:var(--pad)}
.mast{border-bottom:1px solid var(--line)}
.mast-inner{min-height:clamp(66px,5.4vw,91px);display:flex;align-items:center;justify-content:space-between;gap:1rem}
.wordmark{display:inline-flex;align-items:center;gap:.55rem;min-height:44px}
.wordmark img{width:clamp(1.8rem,2.4vw,2.65rem);height:auto}
.wordmark strong{font-size:clamp(1.43rem,2vw,2.02rem);font-weight:800;letter-spacing:-.078em;line-height:1}
.wordmark span{margin-left:.22rem;border-left:1px solid #9ca99c;padding-left:.7rem;font:600 .6rem/1.19 var(--mono);letter-spacing:.025em;text-transform:uppercase}
.mast nav{display:flex;align-items:center;gap:clamp(1rem,2.6vw,2.8rem)}
.mast nav a{display:inline-flex;align-items:center;gap:.45em;min-height:44px;font-size:.8rem}
nav a:hover{text-decoration:underline;text-underline-offset:.32em}
nav a span{color:var(--copper)}
.study{display:grid;grid-template-columns:minmax(15rem,.72fr) minmax(0,1.65fr);align-items:center;gap:clamp(2rem,4.2vw,5.5rem);padding-block:clamp(2rem,4.5vw,5.2rem) clamp(1.8rem,3.6vw,4.5rem)}
.intro{min-width:0;padding-bottom:.65rem}
.eyebrow,.plate-title,.projection,.plate-key,.quiet-hint,.part-letter{font-family:var(--mono)}
.eyebrow{display:flex;align-items:center;gap:.65rem;text-transform:uppercase;letter-spacing:.12em;font-size:.67rem;font-weight:600;color:#41564b}
.eyebrow i{width:1.75rem;height:2px;background:var(--copper)}
h1{font-weight:550;font-size:clamp(6.2rem,min(10.7vw,18.5svh),12.5rem);letter-spacing:-.088em;line-height:.92;margin:clamp(1.3rem,2.5vw,2.9rem) 0 clamp(1.5rem,2.4vw,2.9rem)}
h1 em{display:block;font-family:Instrument,Georgia,serif;font-size:.96em;font-weight:400;line-height:.9;letter-spacing:-.057em;color:#405647}
abbr{text-decoration:none}
.lede{font-size:clamp(1rem,1.26vw,1.28rem);letter-spacing:-.022em;line-height:1.48;color:#46544b;max-width:32ch;text-wrap:pretty}
.primary{display:inline-flex;align-items:center;justify-content:space-between;gap:1.5rem;background:var(--ink);color:#faf7ed;min-height:48px;padding:.76rem 1.05rem;margin-top:clamp(1.35rem,2.2vw,2.55rem);font-size:.89rem;font-weight:600;transition:background .15s}
.primary{min-width:min(13.4rem,100%)}
.primary:hover{background:#394f43}
.primary-arrow{font-size:1.19rem;font-weight:400;line-height:1}
.plate-key{display:flex;align-items:center;gap:.44rem;color:var(--muted);font-size:.67rem;line-height:1.5;margin-top:clamp(1.7rem,4.8vw,4.7rem)}
.line-symbol,.material-symbol{width:.85rem;height:.85rem}
.line-symbol{border:1px solid #648489;background:repeating-linear-gradient(135deg,transparent 0 2px,#779a9d 2px 3px)}
.material-symbol{margin-left:.92rem;background:linear-gradient(120deg,#825632,#d6ac70 50%,#83582d);border:1px solid #987b4d}
.workbench{min-width:0;scroll-margin-block:1.1rem}
.plate-frame{isolation:isolate;overflow:hidden;position:relative;width:100%;aspect-ratio:1.5;background-color:var(--plate);color:#d8e9dc;
  background-image:linear-gradient(#a1d4cc13 1px,transparent 1px),linear-gradient(90deg,#a1d4cc13 1px,transparent 1px),linear-gradient(#a1d4cc09 1px,transparent 1px),linear-gradient(90deg,#a1d4cc09 1px,transparent 1px),radial-gradient(ellipse at 53% 42%,#1a4b52 0,#103b43 59%,#0e3239 100%);
  background-size:100px 100px,100px 100px,20px 20px,20px 20px,cover;background-position:center center}
.plate-frame::before,.plate-frame::after{content:"";position:absolute;pointer-events:none;z-index:3;opacity:.55}
.plate-frame::before{left:3.5%;right:3.5%;bottom:2.5%;height:4px;background:repeating-linear-gradient(90deg,#9ab7af 0 1px,transparent 1px 12px)}
.plate-frame::after{left:1.65%;top:15%;bottom:15%;width:3px;background:repeating-linear-gradient(#9ab7af 0 1px,transparent 1px 12px)}
.plate-frame>[data-art]{position:absolute;inset:0;overflow:hidden}
[data-art] img{width:100%;height:100%;object-fit:contain;pointer-events:none}
[data-art] img[hidden]{display:none}
.plate-title,.projection{position:absolute;z-index:4;top:clamp(.8rem,1.6vw,1.55rem);pointer-events:none;text-transform:uppercase;letter-spacing:.14em;font-size:clamp(.55rem,.66vw,.7rem);color:#cce0d8}
.plate-title{left:4.3%;display:flex;align-items:center;gap:.7em}
.projection{right:4.3%}
.target-mark{width:1em;height:1em;display:inline-block;position:relative;border:1px solid currentColor;border-radius:100%}
.target-mark::after{content:"";position:absolute;inset:27%;border:1px solid currentColor;border-radius:50%}
.corner{position:absolute;width:9px;height:9px;color:#abc0b4;z-index:4;pointer-events:none}
.c1{left:1.75%;top:2.5%;border-top:1px solid;border-left:1px solid}.c2{right:1.75%;top:2.5%;border-top:1px solid;border-right:1px solid}.c3{left:1.75%;bottom:2.5%;border-bottom:1px solid;border-left:1px solid}.c4{right:1.75%;bottom:2.5%;border-bottom:1px solid;border-right:1px solid}
.leaders{position:absolute;inset:0;width:100%;height:100%;z-index:3;pointer-events:none;color:#b1cfcb;opacity:.86}
.leaders path{fill:none;stroke:currentColor;stroke-width:1.15}
.leaders circle{fill:#e7c894;stroke:#133a41;stroke-width:.75}
.leaders text{fill:currentColor;font:20px var(--mono);letter-spacing:.04em}
[data-current-mode="product"] .leaders{opacity:0}
[data-current-mode="product"] .plate-title,[data-current-mode="product"] .projection,[data-art-fallback="product"] .plate-title,[data-art-fallback="product"] .projection{color:#29392b}
[data-art-fallback="product"] .plate-frame{background:linear-gradient(125deg,#dbab73,#c18b59)}
[data-art-fallback="unavailable"] .leaders,[data-art-fallback="product"] .leaders{display:none}
.unavailable{position:absolute;inset:0;display:grid;place-content:center;padding:1.25rem;text-align:center;color:#e1e8d9;font-size:1rem}
.part:not([href]) .part-arrow,body:not(:has([data-plate-ready])) .index-instruction{visibility:hidden}
@media(prefers-reduced-motion:no-preference){
  html[data-plate-entry="armed"] .leaders,html[data-plate-entry="armed"] .static-link{visibility:hidden}
  [data-stage-phase="construction"] .leaders g{--start:.68s}
  [data-stage-phase="construction"] .leaders g:nth-child(2){--start:.84s}
  [data-stage-phase="construction"] .leaders g:nth-child(3){--start:1s}
  [data-stage-phase="construction"] .leaders path{stroke-dasharray:1;animation:trace-leader .45s ease-out var(--start) both}
  [data-stage-phase="construction"] .leaders circle,[data-stage-phase="construction"] .leaders text{animation:show-label .24s ease-out calc(var(--start) + .3s) both}
  @keyframes trace-leader{from{stroke-dashoffset:1}to{stroke-dashoffset:0}}
  @keyframes show-label{from{opacity:0}to{opacity:1}}
}
@media(max-width:700px){.leaders text{font-size:28px}}
.plate-controls{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:64px;padding:7px 0;border-bottom:1px solid var(--line)}
.modes{display:none;align-items:center;gap:2px;padding:3px;border:1px solid #bdc4b8;border-radius:3px}
.modes button{color:#4b594e;background:transparent;border:0;border-radius:1px;min-height:36px;padding:.52rem clamp(.66rem,1.07vw,1.25rem);font-size:.8rem}
.modes button:hover{background:#e8e7dc}
.modes button[aria-pressed="true"]{background:var(--ink);color:#f7f4e8}
.operation{display:none;align-items:center;justify-content:flex-end;min-height:42px}
.quiet-hint{display:inline-flex;align-items:center;gap:.45em;color:#526259;font-size:.69rem}
.crosshair{font:1.17rem/1 Arial,sans-serif}
[data-aperture]{display:inline-flex;align-items:center;gap:.5em;min-height:42px;border:0;border-bottom:1px solid #98a496;background:transparent;font-size:.79rem;font-weight:600}
[hidden]{display:none!important}
[data-plate-ready] .operation,[data-plate-ready] .modes{display:flex}
[data-plate-ready] .static-link{display:none}
.static-link{color:var(--ink);text-decoration:underline;text-underline-offset:.24em;font-size:.85rem}
.anatomy{padding-bottom:clamp(2.5rem,6vw,6rem);scroll-margin-top:1rem}
.anatomy-head{display:flex;justify-content:space-between;align-items:baseline;gap:.5rem;border-top:1px solid var(--line);padding-top:clamp(1rem,2vw,2.1rem);margin-bottom:1.1rem}
h2{font:400 clamp(1.75rem,2.9vw,3rem)/1.1 Instrument,Georgia,serif;letter-spacing:-.03em}
.index-instruction{font-size:.73rem;color:var(--muted)}.index-instruction b{color:var(--copper)}
.parts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-block:1px solid var(--line)}
.part{display:flex;align-items:center;gap:clamp(.6rem,1.3vw,1.5rem);padding:clamp(.85rem,1.6vw,1.7rem) clamp(.65rem,1.5vw,1.6rem);min-width:0}
.part:first-child{padding-left:0}.part:last-child{padding-right:0}
.part+.part{border-left:1px solid var(--line)}
.part-visual{flex:0 0 clamp(3.1rem,4.4vw,5rem);aspect-ratio:1;position:relative;overflow:hidden;border:1px solid #bcb9ab;background:#dedacd}
.part-crop{display:block;position:absolute;inset:0;background-image:url('../assets/art/iris-finish.webp');background-repeat:no-repeat;background-size:var(--zoom,440%);background-position:var(--cx,65%) var(--cy,48%)}
.part-letter{position:absolute;z-index:1;left:0;bottom:0;padding:0 3px;background:#f6f2dfeb;font-size:.57rem;font-weight:700}
.part h3{font-size:clamp(.9rem,1.12vw,1.16rem);letter-spacing:-.035em}
.part p{margin-top:.24rem;color:var(--muted);font-size:.77rem;line-height:1.4;text-wrap:pretty}
.part-arrow{margin-left:auto;color:#6d7c71;font-size:1rem}
.part:hover h3{text-decoration:underline;text-underline-offset:.25em}
@media(min-width:901px) and (min-aspect-ratio:21/10){.plate-frame{aspect-ratio:1.7}.plate-key{margin-top:1.65rem}.study{padding-block:1.8rem}.intro{padding:0}}
@media(min-width:901px) and (max-height:650px){h1{font-size:clamp(5.3rem,15svh,7.5rem)}.plate-frame{max-height:74svh}.study{padding-block:1.25rem}.plate-key{margin-top:1.1rem}}
@media(max-width:900px){.study{grid-template-columns: minmax(0,.65fr) minmax(0,1.3fr);gap:1.4rem}.primary{gap:1rem}.plate-key{display:none}h1{font-size:clamp(5rem,10vw,6.5rem)}.plate-frame{aspect-ratio:1.12}.parts{gap:0}.part{gap:.6rem}.part-arrow{display:none}}
@media(max-width:700px){:root{--pad:clamp(1rem,4.4vw,1.75rem)}.mast-inner{min-height:62px}.mast nav a:first-child{display:none}.mast nav a{font-size:.76rem}.study{display:flex;flex-direction:column;align-items:stretch;gap:1.1rem;padding-top:1.6rem;padding-bottom:1.65rem}.intro{padding:0}.eyebrow{font-size:.59rem}.eyebrow i{width:1.35rem}h1{margin:.66rem 0 .6rem;font-size:clamp(4rem,14vw,6.5rem);line-height:.96}h1 em{display:inline;margin-left:.05em;font-size:.95em}.lede{font-size:1rem;max-width:44ch}.primary{display:none}.plate-frame{aspect-ratio:1.08}.plate-controls{gap:.25rem;min-height:62px}.modes button{min-height:40px;padding:.35rem .62rem;font-size:.77rem}.quiet-hint{font-size:.62rem}.quiet-hint .crosshair{display:none}.operation{min-width:0}.anatomy-head{padding-top:1.05rem;align-items:center}.parts{grid-template-columns:1fr}.part,.part:first-child,.part:last-child{position:relative;padding:.7rem 0;gap:1rem}.part+.part{border-left:none;border-top:1px solid var(--line)}.part-visual{flex-basis:3.5rem}.part-arrow{display:block}.part p{margin-top:.1rem}.part h3{font-size:1.02rem}.index-instruction{font-size:.66rem}}
@media(max-width:370px){.wordmark span{font-size:.52rem}.modes button{padding-inline:.4rem}.quiet-hint{max-width:9ch;line-height:1.2}.operation button{font-size:.73rem}.anatomy-head{flex-wrap:wrap}}
@media(min-width:701px) and (max-width:900px){
  .study{grid-template-columns:1fr;gap:1.4rem;padding-block:1.8rem 2rem}
  .intro{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.86fr);gap:.65rem 1.4rem;align-items:end;padding:0}
  .eyebrow{grid-column:1/-1}.intro h1{margin:0;font-size:clamp(3.8rem,8.3vw,5rem);white-space:nowrap}
  .intro h1 em{display:inline}.intro .lede{font-size:.97rem;line-height:1.4}
  .primary{display:none}.plate-frame{aspect-ratio:1.6}.study .plate-controls{min-height:59px}
}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important}.primary{transition:none}}