:root{--paper:#f7f5f0;--ink:#29251f;--muted:#6e665d;--line:#ccc5b9;--brown:#322b25;--accent:#986341;--space:clamp(24px,5vw,88px);color-scheme:light}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}a:focus-visible{outline:2px solid currentColor;outline-offset:7px}img{display:block;width:100%;height:auto}figure,p,h1,h2,h3{margin:0}h1,h2,h3{font-weight:400}h2{font-size:clamp(36px,4.6vw,74px);line-height:1.12;letter-spacing:-.045em}h3{font-size:23px;line-height:1.25;letter-spacing:-.02em}em{font-family:Georgia,'Times New Roman',serif;font-weight:400}p+p{margin-top:1.2em}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip{position:absolute;left:16px;top:-100px;z-index:100;padding:12px 20px;background:#fff;color:#000}.skip:focus{top:16px}header{position:absolute;z-index:5;top:0;width:100%;padding:32px var(--space);display:flex;align-items:center;justify-content:space-between;gap:28px;color:#fff}.wordmark{font-size:18px;letter-spacing:.07em;font-weight:600;white-space:nowrap}nav{display:flex;gap:28px;align-items:center;font-size:14px}nav a{border-bottom:1px solid transparent;padding:5px 0}nav a:hover{border-color:currentColor}.nav-download{margin-left:24px}.hero{position:relative;min-height:760px;height:100svh;max-height:1150px;background:var(--brown);color:#fff;overflow:hidden}.hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 53%;transform:scaleX(-1)}.hero:after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(24,19,15,.30),rgba(24,19,15,.03) 52%,rgba(24,19,15,.37))}.hero-content{position:relative;z-index:1;height:100%;min-height:760px;padding:130px var(--space) 45px;display:flex;flex-direction:column;justify-content:space-between}.eyebrow{font-size:13px;letter-spacing:.12em;text-transform:uppercase}.hero h1{font-size:clamp(78px,12vw,190px);line-height:1;letter-spacing:-.055em;margin-top:14px}.hero-bottom{display:flex;align-items:flex-end;justify-content:space-between;gap:30px}.hero-bottom>p:first-child{font-size:clamp(28px,3vw,44px);line-height:1.2;letter-spacing:-.02em}.hero-bottom .credit{font-size:14px;line-height:1.65;margin:0}.section{padding:110px var(--space)}.section-label{display:flex;align-items:baseline;gap:24px;font-size:14px;line-height:1.4;margin-bottom:52px}.section-label span:first-child{color:var(--accent);font-size:13px;font-variant-numeric:tabular-nums}.concept{padding-bottom:90px}.concept-head{display:grid;grid-template-columns:1.55fr 1fr;gap:9%;align-items:end}.concept-head h2{font-size:clamp(38px,4.9vw,78px)}.lead{max-width:480px;font-size:20px;line-height:1.6}.sketch-row{display:grid;grid-template-columns:1.35fr 1fr;align-items:center;gap:10%;margin-top:80px}.sketch-row figure{background:#fff}.sketch-row figure img{padding:10px 10px 0}.sketch-row figcaption{background:var(--paper);padding-top:16px}.sketch-copy{max-width:430px}.sketch-copy h3{margin-bottom:24px}.sketch-copy p{color:var(--muted)}figcaption{font-size:14px;color:var(--muted);margin-top:14px}figcaption a{border-bottom:1px solid var(--line);padding-bottom:3px}.form{border-top:1px solid var(--line)}.split-heading{display:grid;grid-template-columns:1.4fr 1fr;gap:10%;align-items:end;margin-bottom:60px}.split-heading>p{max-width:500px;color:var(--muted)}.view-pair{display:grid;grid-template-columns:1fr 1fr;gap:24px}.material{display:grid;grid-template-columns:1fr 1fr;background:var(--brown);color:#f5eee6}.material-image img{height:100%;object-fit:cover;min-height:680px}.material-copy{padding:75px clamp(30px,5vw,90px)}.material .section-label{margin-bottom:56px}.material .section-label span:first-child{color:#c59f7d}.material h2{font-size:clamp(38px,4vw,65px);margin-bottom:55px}.material-paragraph{max-width:440px}.material-paragraph+.material-paragraph{margin-top:35px}.material-paragraph h3{font-size:20px;margin-bottom:12px}.material-paragraph p{color:#d9cfc4;font-size:17px}.sitting{display:grid;grid-template-columns:1fr 1.1fr;gap:9%;align-items:center}.sitting-copy{max-width:450px}.sitting h2{margin-bottom:32px}.sitting .section-label{margin-bottom:40px}.sitting p{color:var(--muted)}.small-note{font-size:14px;line-height:1.6;color:var(--muted);margin-top:25px}.structure{background:#fff}.structure-layout{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(240px,1fr);gap:7%;align-items:center}.diagram{overflow:hidden}.diagram img{width:142%;max-width:none}.assembly ol{list-style:none;margin:0;padding:0}.assembly li{display:grid;grid-template-columns:28px 1fr;gap:14px;padding:24px 0;border-top:1px solid var(--line)}.assembly .step{font-size:13px;color:var(--accent);padding-top:4px}.assembly h3{font-size:21px;margin-bottom:12px}.assembly p{font-size:16px;color:var(--muted)}.assembly>.small-note{font-size:14px}.spatial{position:relative;background:#dedbd4}.spatial>img{width:100%;max-height:1050px;object-fit:cover;object-position:center 65%}.spatial-caption{position:absolute;z-index:1;top:55px;left:var(--space);right:var(--space);color:#29251f}.spatial-caption .section-label{margin-bottom:26px}.spatial-caption h2{font-size:clamp(32px,4vw,62px)}.spatial-note{position:absolute;bottom:24px;left:var(--space);font-size:13px;background:#f7f5f0e8;padding:4px 10px}.details-grid{display:grid;grid-template-columns:1fr 1fr;gap:12%}.details h2{margin-bottom:26px}.details-intro{font-size:18px;color:var(--muted);line-height:1.75}.download{display:flex;gap:35px;justify-content:space-between;align-items:center;max-width:430px;margin-top:55px;padding:18px 0;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);font-size:17px}.download:hover{color:var(--accent)}.file-meta{font-size:13px;color:var(--muted);margin-top:10px}.specs dl{margin:0;display:grid;grid-template-columns:1fr 1fr;gap:30px 40px}.specs dl>div{border-top:1px solid var(--line);padding-top:15px}.specs dt{font-size:14px;color:var(--muted)}.specs dd{font-size:48px;line-height:1.2;letter-spacing:-.035em;margin:12px 0 0;font-variant-numeric:tabular-nums}.specs dd span{font-size:16px;letter-spacing:0;color:var(--muted)}.development{margin-top:40px;border-top:1px solid var(--line);padding-top:22px;font-size:15px}.development p{display:flex;justify-content:space-between;gap:20px}.development p+p{margin-top:10px}.development span{color:var(--muted)}footer{padding:35px var(--space);border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:30px;font-size:14px}footer p{color:var(--muted)}
@media(min-width:1700px){.section{padding-left:max(var(--space),calc((100vw - 1550px)/2));padding-right:max(var(--space),calc((100vw - 1550px)/2))}}
@media(max-width:1000px){header{gap:20px}nav{gap:17px}.nav-download{margin-left:4px}.hero{min-height:680px}.hero-content{min-height:680px}.section{padding-top:80px;padding-bottom:80px}.concept-head,.split-heading{gap:6%}.lead{font-size:18px}.sketch-row{gap:7%}.material-copy{padding:55px 30px}.material h2{margin-bottom:35px}.material-image img{min-height:640px}.structure-layout{grid-template-columns:minmax(0,1.45fr) minmax(240px,1fr);gap:5%}.spatial-caption h2{font-size:38px}.details-grid{gap:7%}.specs dd{font-size:40px}}
@media(max-width:700px){header{align-items:flex-start;flex-direction:column;padding-top:24px;gap:15px}.wordmark{font-size:16px}nav{width:100%;font-size:14px;gap:18px;flex-wrap:wrap}.nav-download{margin-left:auto}.hero{height:90svh;min-height:690px;max-height:none}.hero>img{object-position:49% center}.hero-content{min-height:690px;padding-top:150px;padding-bottom:30px}.hero h1{font-size:clamp(2.5rem,13vw,6.5rem);margin-top:17px}.eyebrow{font-size:12px;letter-spacing:.045em}.hero-bottom .credit{font-size:13px}.hero-bottom>p:first-child{font-size:28px}.section{padding-top:65px;padding-bottom:65px}.section-label{margin-bottom:32px;gap:20px}.concept-head,.split-heading,.sketch-row,.material,.sitting,.structure-layout,.details-grid{grid-template-columns:1fr;gap:34px}.concept-head h2{font-size:clamp(33px,8.2vw,54px)}.lead{font-size:18px}.sketch-row{margin-top:42px}.sketch-row figure{margin:0 -8px}.sketch-copy{max-width:none}.split-heading{margin-bottom:35px}.view-pair{gap:12px}.view-pair figcaption{font-size:13px}.material-image img{min-height:0;max-height:none;object-fit:contain}.material-copy{padding:55px var(--space)}.material .section-label{margin-bottom:32px}.material h2{font-size:46px}.sitting{gap:40px}.sitting-copy{max-width:none}.sitting h2 br{display:none}.sitting figure{margin:0}.structure-layout{gap:36px}.assembly li{padding:20px 0}.structure .split-heading h2{font-size:36px}.structure figure{margin-left:-12px;margin-right:-12px}.structure figcaption{padding-left:12px}.spatial-caption{position:relative;top:auto;left:auto;right:auto;padding:45px var(--space);background:#e9e6df}.spatial-caption .section-label{margin-bottom:24px}.spatial-caption h2{font-size:36px}.spatial>img{max-height:none;object-fit:contain}.spatial-note{bottom:14px;font-size:12px}.details-grid{gap:50px}.specs dl{gap:26px}.specs dd{font-size:43px}.download{margin-top:35px}.development p{flex-wrap:wrap;gap:5px 15px}footer{flex-wrap:wrap;gap:18px;font-size:13px}footer .wordmark{flex:1 0 100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
/* Keep the complete chair within a square image area on narrow screens. */
@media screen and (max-width:700px){.hero{height:auto;min-height:calc(clamp(320px,100vw,480px) + 340px)}.hero>img{top:210px;bottom:auto;height:clamp(320px,100vw,480px);object-fit:cover;object-position:50% 53%}.hero-content{min-height:calc(clamp(320px,100vw,480px) + 340px)}}
@media screen and (max-width:480px){.view-pair{grid-template-columns:1fr;gap:28px}}
@media print{header,footer,.download,.skip{display:none}.hero{height:500px;min-height:500px}.hero-content{min-height:500px}.section{padding:35px 24px}.material{break-inside:avoid}.spatial-caption{position:relative;padding:20px;color:#000}.hero:after{background:rgba(0,0,0,.2)}a{color:inherit}.section{break-inside:avoid}}

/* Content aligned with the supplied design presentation. */
.intent-row figure{background:transparent}.intent-row figure img{padding:0;max-height:640px;object-fit:contain;object-position:left center}.intent-row .eyebrow{margin-bottom:18px}.overview-copy{max-width:440px;margin-bottom:26px;color:var(--muted)}.construction-summary{margin-top:26px}.construction-summary h3{font-size:20px;margin-bottom:12px}.construction-summary p{font-size:16px;color:var(--muted)}
@media(max-width:700px){.intent-row figure{margin:0}.intent-row figure img{max-height:560px}.intent-row .sketch-copy h3{font-size:30px}}

.material-intro{max-width:440px;margin-bottom:32px;color:#d9cfc4}

.model-section{margin-top:90px;padding-top:70px;border-top:1px solid var(--line);scroll-margin-top:30px}.model-stage{position:relative;background:#e9e5df;min-height:500px}model-viewer{display:block;width:100%;height:640px;--poster-color:#e9e5df}model-viewer>img{height:100%;object-fit:contain}.model-stage button,.model-controls button{font:inherit;font-size:15px;cursor:pointer;border:1px solid var(--ink);padding:12px 22px;background:var(--paper);color:var(--ink)}.model-stage button{position:absolute;bottom:32px;left:50%;transform:translateX(-50%);background:var(--brown);color:white;white-space:nowrap}.model-stage button[hidden]{display:none}.model-controls{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.model-controls button:hover:not(:disabled){background:var(--brown);color:#fff}.model-controls button:disabled{opacity:.45;cursor:default}.model-controls button[aria-pressed="true"]{background:var(--brown);color:#fff}button:focus-visible{outline:2px solid var(--accent);outline-offset:4px}@media(max-width:700px){.model-section{margin-top:55px;padding-top:45px}.model-stage{min-height:390px}model-viewer{height:440px}.model-controls{gap:8px}.model-controls button{padding:10px 14px;font-size:14px}.model-stage button{bottom:22px}}