@charset "UTF-8";
:root{color-scheme:light;--paper:#f6f2e9;--ink:#26221e;--accent:#a54423;--line:#d4cabc;--panel:#ece4d8;--muted:#675c50;--radius:0px;font-family:Arial,Helvetica,sans-serif}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);line-height:1.6}a{color:inherit;text-underline-offset:4px}button,input,select,textarea{font:inherit;color:inherit}button,a,input,select,summary{touch-action:manipulation}button,select,summary{cursor:pointer}button{background:transparent;border:1px solid var(--line);padding:10px 16px;min-height:44px}button:disabled{cursor:default;opacity:.6}input,select,textarea{background:var(--paper);border:1px solid var(--line);padding:12px;width:100%;min-height:44px;border-radius:var(--radius)}input[type=checkbox]{width:20px;height:20px;min-height:20px;accent-color:var(--accent);flex:none}label{display:flex;flex-direction:column;gap:8px}p{max-width:72ch}h1,h2,h3{line-height:1.1;letter-spacing:-.03em;margin:.3em 0 .6em}h1{font-size:clamp(2.7rem,6vw,6.3rem)}h2{font-size:clamp(1.7rem,3.2vw,3.3rem)}h3{font-size:1.45rem}img{display:block;width:100%;height:auto}figure{margin:0}figure img{aspect-ratio:3/2;object-fit:contain;background:#eeece7}figcaption{font-size:11px;line-height:1.5;color:var(--muted);padding:8px 0}svg{display:block;max-width:100%}ul,ol{padding-left:1.4em}li{margin:.5em 0}:focus-visible{outline:3px solid var(--accent);outline-offset:5px}main{max-width:1480px;margin:0 auto;padding:36px clamp(20px,4vw,64px) 0;min-width:0}main:focus{outline:none}[hidden]{display:none!important}.skip{position:fixed;top:-100px;left:20px;z-index:100;background:var(--ink);color:var(--paper);padding:12px}.skip:focus{top:12px}.demo-note{padding:9px 20px;text-align:center;font-size:10px;letter-spacing:.08em;background:var(--ink);color:var(--paper)}.site-header{display:flex;align-items:center;gap:24px;min-height:88px;padding:18px clamp(20px,4vw,64px);border-bottom:1px solid var(--line);position:relative;z-index:5;background:var(--paper)}.wordmark{display:flex;gap:10px;align-items:center;text-decoration:none;letter-spacing:-.04em;font-weight:800;font-size:21px;white-space:nowrap}.wordmark svg{width:28px;height:28px}.site-header nav{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px 18px;margin-left:auto}.site-header nav a{font-size:12px;text-decoration:none;padding:8px 0}.site-header a[aria-current=page]{color:var(--accent);border-bottom:2px solid currentColor}.menu-button{display:none}.more{position:relative;flex:none}.more summary{padding:10px;font-size:12px;min-height:44px}.more ul{position:absolute;right:0;top:100%;list-style:none;padding:16px;background:var(--paper);border:1px solid var(--line);width:220px;margin:0;box-shadow:0 10px 30px #0001}.more li a{display:block;padding:8px;font-size:14px}.eyebrow,.hero-kicker,.reference,.index-number,.chapter-number,.flow-number{font-family:Consolas,"Courier New",monospace;font-size:11px;letter-spacing:.08em;text-transform:uppercase}.eyebrow{color:var(--accent);margin-bottom:16px}.lead{font-size:clamp(17px,1.5vw,22px);line-height:1.6;max-width:60ch}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:13px 20px;background:var(--ink);border:1px solid var(--ink);border-radius:var(--radius);color:var(--paper);text-decoration:none;font-size:13px;gap:8px}.button:hover{background:var(--accent);border-color:var(--accent)}.text-link{display:inline-block;min-height:44px;padding:11px 0;font-size:13px}.breadcrumb{display:flex;gap:12px;font-size:12px;margin:0 0 32px}.hero-kicker{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--ink);padding-top:10px}.heat-hero h1{font-family:Georgia,serif;font-weight:400;max-width:11ch;font-size:clamp(3.4rem,8.5vw,8.4rem);margin:30px 0}.hero-editorial{display:flex;gap:24px;align-items:center;flex-wrap:wrap;margin-bottom:36px}.hero-editorial .lead{max-width:49ch;margin-right:auto}.heat-hero>figure,.wash-hero>figure{margin-top:32px}.section-heading{margin:0 0 36px;max-width:760px}.section-heading h2{max-width:22ch}.range-section,.principles,.closing-cta,.return-planner,.envelope-workbench{margin:90px 0}.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.product-card{min-width:0;border-top:1px solid var(--line)}.product-cover{display:block;text-decoration:none;overflow:hidden}.product-cover img{transition:transform .45s ease}.product-cover:hover img{transform:scale(1.025)}.product-copy{padding:20px 4px}.product-copy h3{font-size:1.6rem}.product-copy h3 a{text-decoration:none}.product-copy p{font-size:14px}.card-actions{display:flex;flex-direction:column;gap:8px}.compare-check,.guide-checks label,.confirmation{flex-direction:row;align-items:flex-start;font-size:13px;gap:10px;padding:10px 0}.compare-check{min-height:44px;align-items:center}.compare-panel{border-top:1px solid var(--line);padding:28px 0;margin-top:28px}.compare-panel h2{font-size:22px}.comparison-table{border-collapse:collapse;min-width:550px}.comparison-table th,.comparison-table td{padding:14px;text-align:left;border-bottom:1px solid var(--line)}.table-scroll{overflow:auto;max-width:100%;scrollbar-gutter:stable}.principles{border-top:1px solid var(--ink);padding-top:36px}.principles>div{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px}.principles article p{font-size:15px}.index-number{display:block;color:var(--accent);margin-bottom:24px}.closing-cta{border-top:1px solid var(--ink);padding:50px 0 65px}.closing-cta h2{max-width:22ch}.closing-cta .text-link{margin-left:20px}.site-footer{border-top:1px solid var(--line);padding:44px clamp(20px,4vw,64px);display:grid;grid-template-columns:2fr 1fr;gap:44px;font-size:12px}.site-footer>div:nth-child(2){display:flex;align-items:flex-start;flex-direction:column;gap:12px}.site-footer a:not(.wordmark){min-height:30px}.site-footer p{max-width:60ch}.no-js{padding:24px}.page-heading{max-width:850px;margin:30px 0 60px}.page-heading h1{font-size:clamp(2.6rem,5vw,5rem)}.catalog-controls{display:grid;grid-template-columns:2fr 1.2fr auto;gap:18px;align-items:end;border:1px solid var(--line);padding:24px;margin-bottom:36px}.catalog-controls p{grid-column:1/-1;margin:0;font-size:13px}.empty-state{padding:32px;border:1px solid var(--line)}.product-detail{display:grid;grid-template-columns:1.05fr 1fr;gap:50px;align-items:start}.product-detail h1{font-size:clamp(2.4rem,4vw,4rem)}.product-detail table{width:100%;font-size:13px;border-collapse:collapse}.product-detail caption{text-align:left;padding:16px 0;font-size:11px;font-family:Consolas,monospace}.product-detail th,.product-detail td{border-top:1px solid var(--line);padding:14px;text-align:left;vertical-align:top}.product-detail th{width:32%}.evidence-note{font-size:13px;border-left:3px solid var(--accent);padding-left:16px}.detail-actions{display:flex;gap:16px;flex-wrap:wrap;margin-top:25px}.decision-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;margin:80px 0;padding:40px 0;border-top:1px solid var(--line)}.decision-grid h2{font-size:32px}.related-route{margin:50px 0 80px}.related-route .text-link{margin-left:20px}.prose-sections{max-width:1080px}.prose-sections>section{display:grid;grid-template-columns:100px 1fr;gap:30px;padding:40px 0;border-top:1px solid var(--line)}.prose-sections p{font-size:18px;line-height:1.8;max-width:68ch}.prose-sections h2{font-size:32px}.evidence-register,.guide-checks,.planning-boundary{padding:36px;background:var(--panel);margin:50px 0}.evidence-register h2,.guide-checks h2,.planning-boundary h2{font-size:28px}.guide-checks label{min-height:48px}.guide-checks output{display:block;margin:20px 0;font-family:Consolas,monospace;font-size:13px}.document-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.document-grid article{padding:28px;border:1px solid var(--line)}.document-grid h2{font-size:24px}.faq-list{max-width:950px}.faq-list details{border-bottom:1px solid var(--line);padding:22px 0}.faq-list summary{font-size:20px;min-height:44px;padding:10px 0}.faq-list p{padding-left:20px;font-size:17px}.brief-layout{display:grid;grid-template-columns:1.2fr 1fr;gap:70px;margin-bottom:90px}.brief-layout form{display:grid;gap:22px}.brief-side{border-top:1px solid var(--ink);padding-top:24px}.brief-side h2{font-size:30px}.brief-side li{padding:10px 0}.brief-side a{display:block}.confirmation{line-height:1.5}.confirmation input{margin-top:3px}.brief-layout [role=status]{padding:16px;border:1px solid var(--line);font-family:Consolas,monospace;font-size:13px}.project-rail{display:none}dialog{padding:20px;background:var(--paper);color:var(--ink);border:1px solid var(--line);width:min(1100px,95vw);max-height:95dvh;overflow:auto}dialog::backdrop{background:#111b}dialog button{display:block;margin-left:auto}dialog img{max-height:72dvh;object-fit:contain;margin-top:16px}dialog p{font-size:12px}.station-story{display:grid;grid-template-columns:1.2fr 1fr;gap:0 50px;margin:100px 0;align-items:start}.station-story>.section-heading{grid-column:1/-1}.station-stage{position:sticky;top:35px;background:var(--panel);padding:20px;min-width:0}.station-stage svg{width:100%;overflow:visible}.station-layer{fill:#d9ccba;stroke:var(--ink);stroke-width:1.2;transform-box:fill-box;transform-origin:center}.station-layer[data-active]{fill:#ce7c50}.station-layer text{text-anchor:middle;font:11px Consolas,monospace;stroke:none;fill:var(--ink)}.station-route{fill:none;stroke:var(--accent);stroke-width:3;stroke-dasharray:8 6}.svg-note{font:9px Consolas,monospace;fill:var(--muted);stroke:none}.station-controls{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.station-controls button{flex:1;font-size:11px;padding:10px 8px}.station-controls button[aria-pressed=true],.flow-controls button[aria-pressed=true],.preview-buttons button[aria-pressed=true]{color:var(--paper);background:var(--ink);border-color:var(--ink)}.station-stage [role=status]{font-size:13px;min-height:65px}.station-chapters article{min-height:330px;padding:45px 0;border-top:1px solid var(--line)}.station-chapters h3{font-size:30px;font-family:Georgia,serif;font-weight:400}.station-chapters p{font-size:16px}.chapter-number{display:block;color:var(--accent);margin-bottom:20px}.theme-cold{--paper:#f3f6f7;--ink:#153344;--accent:#16588b;--line:#b8c9d3;--panel:#e5edf1;--muted:#4c6573;font-family:Arial,Helvetica,sans-serif}.theme-cold .wordmark{font-family:Consolas,monospace;letter-spacing:.025em;font-size:19px}.theme-cold h1,.theme-cold h2{font-weight:500;letter-spacing:-.045em}.cold-hero{display:grid;grid-template-columns:1.3fr 1fr;gap:50px;align-items:end;padding:40px 0}.cold-hero h1{font-size:clamp(3.5rem,5.8vw,6rem)}.project-summary{padding:22px;border:1px solid var(--line);font-family:Consolas,monospace;font-size:11px}.project-summary dl{margin:15px 0}.project-summary dl>div{display:flex;gap:12px;justify-content:space-between;padding:18px 0;border-top:1px solid var(--line)}.project-summary dd{margin:0;text-align:right}.envelope-workbench{border:1px solid var(--line);padding:32px;background:var(--panel)}.workbench-controls{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:32px 0}.workbench-controls label{font-family:Consolas,monospace;font-size:12px}.workbench-controls input[type=range]{padding:0;accent-color:var(--accent)}.drawing-stage{background:var(--paper);border:1px solid var(--line);overflow:hidden}.drawing-stage svg{width:100%}.grid-fill{stroke:var(--line);stroke-width:.5}.bay-outline{fill:none;stroke:var(--muted);stroke-width:1.5;stroke-dasharray:6 4}.unit-outline{fill:#b4d1df;stroke:var(--accent);stroke-width:2}.unit-seam,.dimension-line{stroke:var(--accent);stroke-width:1;fill:none}.drawing-stage [data-dimension]{text-anchor:middle;font:12px Consolas,monospace;fill:var(--ink)}.workbench-result{display:block;padding:20px 0;font-family:Consolas,monospace;font-size:13px;min-height:90px}.workbench-result[data-exceeds=true]{color:#8b351e}.theme-cold .product-grid{grid-template-columns:1fr;gap:0}.theme-cold .product-card{display:grid;grid-template-columns:1fr 1.4fr;gap:32px;padding:22px 0}.theme-cold .product-copy{padding:15px 0}.theme-cold .card-actions{flex-direction:row;flex-wrap:wrap;gap:16px}.theme-cold .range-section .product-cover img{aspect-ratio:3/2}.theme-cold .principles>div{gap:24px}.theme-wash{--paper:#f7f8f2;--ink:#183c32;--accent:#346f55;--line:#cad8c9;--panel:#e8eee1;--muted:#557163;--radius:30px}.theme-wash .wordmark{letter-spacing:-.07em;font-size:24px}.wash-hero{text-align:center;padding-top:45px}.wash-hero h1{font-size:clamp(3.7rem,9vw,9rem);max-width:10ch;margin:28px auto;letter-spacing:-.07em;font-weight:500}.wash-hero .hero-editorial{justify-content:center;flex-direction:column;gap:10px}.wash-hero .lead{margin:0 auto 15px;max-width:48ch}.wash-hero figure img{border-radius:24px}.theme-wash .section-heading{margin-left:auto;margin-right:auto;text-align:center}.theme-wash .section-heading h2{margin-left:auto;margin-right:auto}.theme-wash .product-card{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff8}.theme-wash .product-copy{padding:22px}.theme-wash .product-cover img{background:#f0f2eb}.theme-wash .product-cover figcaption{padding:8px 15px}.flow-controls{display:flex;gap:12px;justify-content:center;margin:30px 0}.flow-controls button{border-radius:30px;font-size:13px}.flow-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.flow-grid article{min-width:0;background:var(--panel);border-radius:20px;padding:18px;position:relative}.flow-grid figure img{background:transparent}.flow-grid h3{font-size:22px}.flow-number{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);width:38px;height:38px;border-radius:50%;margin:4px 0 18px}.return-planner [role=status]{margin:28px auto;text-align:center;font-size:13px}.return-planner>.button{display:flex;width:fit-content;margin:0 auto}.theme-wash .principles article{padding:30px;border:1px solid var(--line);border-radius:20px}.theme-wash .principles>div{gap:18px}.theme-wash .prose-sections>section{border-radius:0}.theme-wash .catalog-controls,.theme-wash .brief-side,.theme-wash .evidence-register,.theme-wash .guide-checks{border-radius:20px}.delivery-directory,.delivery-detail{padding-bottom:80px}.delivery-detail>label{max-width:500px}.delivery-detail>ul{columns:2}.preview-buttons{display:flex;gap:12px;flex-wrap:wrap;margin:20px 0}.local-preview-stage{width:100%;overflow:hidden;background:#dce3e4;border:1px solid var(--line);margin:30px 0}.local-preview-stage>[data-preview-scale]{transform-origin:top left;position:relative}.local-preview-stage iframe{display:block;border:0;max-width:none;background:#fff}.delivery-directory article{min-width:0}.delivery-directory article>p{font-size:14px}
.drawing-stage pattern path{fill:none;stroke:var(--line);stroke-width:.6}
@media(min-width:1101px){.theme-cold .project-rail{display:flex;flex-direction:column;width:185px;position:absolute;left:20px;top:190px;gap:15px;padding:25px 15px;border-right:1px solid var(--line);font-size:11px}.theme-cold .project-rail a{text-decoration:none;padding:6px 0}.theme-cold .project-rail a[aria-current=page]{color:var(--accent)}.theme-cold main{margin-left:210px;padding-left:28px;padding-right:35px}.theme-cold .site-footer{margin-left:210px}.theme-cold .site-header nav{display:none}.theme-cold .more{margin-left:auto}}
@media(max-width:1100px){.site-header{gap:18px}.site-header nav{gap:6px 12px}.site-header nav a{font-size:11px}.wordmark{font-size:18px}.product-detail,.brief-layout{gap:30px}.principles>div{gap:24px}.station-story{gap:0 28px}.cold-hero{gap:24px}.product-grid{gap:18px}.envelope-workbench{padding:25px}.theme-cold .product-card{grid-template-columns:1fr 1.2fr}}
@media(max-width:760px){main{padding-top:25px}.demo-note{font-size:9px;padding:8px 16px}.site-header{min-height:78px;gap:10px;padding:15px 20px;flex-wrap:wrap}.wordmark,.theme-cold .wordmark{font-size:18px}.theme-wash .wordmark{font-size:21px}.menu-button{display:block;margin-left:auto;font-size:12px;padding:9px 12px}.site-header nav{display:none;width:100%;margin:12px 0 0;flex-direction:column;order:4;gap:0;padding-top:12px;border-top:1px solid var(--line)}.site-header nav[data-open]{display:flex}.site-header nav a{font-size:15px;padding:12px 0;min-height:44px}.more summary{padding:10px 5px}.more ul{right:0}.hero-kicker span{display:none}.heat-hero h1{font-size:clamp(3.5rem,13vw,5.7rem);max-width:11ch}.hero-editorial{align-items:flex-start;flex-direction:column;gap:12px;margin-bottom:20px}.hero-editorial .lead{margin:0 0 10px}.wash-hero{padding-top:20px}.wash-hero h1{font-size:clamp(3.5rem,14vw,5.8rem)}.wash-hero figure img{border-radius:14px}.product-grid,.principles>div,.decision-grid,.document-grid,.brief-layout,.product-detail,.cold-hero,.flow-grid,.workbench-controls{grid-template-columns:1fr}.range-section,.principles,.closing-cta,.return-planner,.envelope-workbench{margin:60px 0}.principles>div{gap:22px}.product-copy{padding:15px 0 30px}.station-story{display:block;margin:65px 0}.station-stage{position:relative;top:auto;padding:12px}.station-chapters article{min-height:0;padding:30px 0}.station-stage [role=status]{min-height:55px}.station-chapters h3{font-size:27px}.cold-hero{padding:10px 0 30px;gap:28px}.cold-hero h1{font-size:3.5rem}.theme-cold .product-card{grid-template-columns:1fr;gap:5px}.theme-cold .product-copy{padding-bottom:20px}.workbench-controls{gap:18px}.envelope-workbench{padding:18px}.drawing-stage .svg-note{font-size:10px}.flow-grid article{padding:20px}.flow-grid figure img{max-height:280px;object-fit:contain}.flow-controls{flex-wrap:wrap;gap:10px}.flow-controls button{flex:1;min-width:135px}.return-planner [role=status]{text-align:left}.product-detail{gap:30px}.product-detail h1{font-size:2.8rem}.decision-grid{gap:30px;margin:50px 0}.catalog-controls{grid-template-columns:1fr;padding:18px;gap:15px}.catalog-controls button{width:100%}.page-heading{margin:20px 0 40px}.page-heading h1{font-size:2.9rem}.prose-sections>section{grid-template-columns:1fr;gap:0;padding:30px 0}.prose-sections .index-number{margin-bottom:14px}.prose-sections h2{font-size:27px}.prose-sections p{font-size:16px}.evidence-register,.guide-checks,.planning-boundary{padding:24px}.brief-layout{gap:45px;margin-bottom:55px}.site-footer{grid-template-columns:1fr;gap:30px;padding:35px 20px}.closing-cta .text-link,.related-route .text-link{display:block;margin-left:0;margin-top:10px}.closing-cta h2{font-size:32px}.delivery-detail>ul{columns:1}.theme-wash .principles article{padding:22px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}.product-cover:hover img{transform:none}}
body[data-motion-off] *,body[data-motion-off] *::before,body[data-motion-off] *::after{animation:none!important;transition:none!important}.theme-heat h2,.theme-heat .page-heading h1{font-family:Georgia,serif;font-weight:400}