:root{--ink: #1c2430;--ink-soft: #3d4a5c;--paper: #f3eee4;--paper-2: #fffdf8;--rule: #d7ccba;--brass: #6b4f28;--brass-soft: #c4a574;--pine: #24513f;--warn: #7a321f;--banner: #efe4c8;--focus: #23456f;--error-bg: #f8ebe6;--shadow: 0 1px 0 rgb(28 36 48 / 6%), 0 12px 32px rgb(28 36 48 / 6%);font-family:Segoe UI,Helvetica Neue,Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.5}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;background:linear-gradient(180deg,#fffdf8b3,#f3eee400 180px),var(--paper);color:var(--ink)}#root,.static-page{max-width:1120px;margin:0 auto;padding:1.25rem 1.25rem 3rem}h1,h2,h3,.wordmark{font-family:Georgia,Palatino Linotype,Palatino,serif;font-weight:600;letter-spacing:-.02em;line-height:1.2}h1{font-size:clamp(1.8rem,3vw,2.6rem);margin:.2rem 0 .8rem}h2{font-size:1.45rem;margin:0 0 .6rem}h3{font-size:1.1rem}p{margin:0 0 .8rem}a{color:var(--focus)}a:hover{color:var(--brass)}code{font-family:ui-monospace,Cascadia Code,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em;background:#1c24300f;padding:.05em .35em;border-radius:.25rem}.skip-link{position:absolute;left:.75rem;top:-3rem;background:var(--ink);color:var(--paper-2);padding:.4rem .7rem;z-index:10}.skip-link:focus{top:.75rem}.site-header,.site-footer{display:flex;justify-content:space-between;gap:1rem;align-items:baseline;flex-wrap:wrap;border-bottom:1px solid var(--rule);padding-bottom:1rem;margin-bottom:1.5rem}.site-footer{border-bottom:0;border-top:1px solid var(--rule);margin:2.5rem 0 0;padding:1.25rem 0 0;color:var(--ink-soft);font-size:.95rem}.wordmark{margin:0;font-size:1.35rem}.tagline,.eyebrow{margin:0;text-transform:uppercase;letter-spacing:.12em;font-size:.72rem;color:var(--brass)}.site-header nav,.static-page header nav{display:flex;gap:1rem;flex-wrap:wrap}.site-header nav a,.static-page header nav a{text-decoration:none;color:var(--ink);border-bottom:1px solid transparent;padding-bottom:.1rem}.site-header nav a[aria-current=page],.static-page header nav a[aria-current=page]{border-bottom-color:var(--brass)}.lede{max-width:46rem;color:var(--ink-soft)}.disclaimer,.experiment-banner,.notice{background:var(--banner);border:1px solid var(--brass-soft);border-left:4px solid var(--brass);padding:.85rem 1rem;margin:1rem 0 1.25rem}.experiment-banner{background:#f4e6d2}.workspace{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:1.25rem;margin-bottom:1.25rem}.panel{background:var(--paper-2);border:1px solid var(--rule);box-shadow:var(--shadow);padding:1.1rem 1.15rem 1.25rem}.calculator-form fieldset{border:0;margin:0 0 1rem;padding:0}.calculator-form legend,.static-copy h2{font-family:Georgia,Palatino Linotype,Palatino,serif;font-weight:600;margin-bottom:.45rem}.segmented{display:flex;flex-wrap:wrap;gap:.4rem}.segmented legend{width:100%}.segmented label,.choice{display:flex;gap:.45rem;align-items:flex-start;border:1px solid var(--rule);background:#f8f4ec;padding:.55rem .7rem;min-height:2.75rem;cursor:pointer}.segmented label{align-items:center}.segmented label.selected,.choice.selected{border-color:var(--brass);background:#fff8ea;box-shadow:inset 0 0 0 1px var(--brass-soft)}.choice-cards{display:grid;grid-template-columns:1fr 1fr;gap:.6rem}.choice span{display:grid;gap:.15rem}.field-grid,.allowance-grid,.job-meta{display:grid;grid-template-columns:1fr 1fr;gap:.85rem}label{display:grid;gap:.3rem;font-size:.95rem}input[type=text],.calculator-form input,.job-meta input{font:inherit;font-size:1rem;padding:.55rem .65rem;border:1px solid #b7ad9b;background:#fff;color:var(--ink);min-height:2.75rem;width:100%}input:focus-visible,button:focus-visible,summary:focus-visible,a:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.field-help{color:var(--ink-soft);font-size:.85rem}.field-error,.error-box{color:var(--warn)}.field-error{font-size:.88rem}.error-box{background:var(--error-bg);border:1px solid #e0b7aa;padding:.8rem 1rem}.allowances{border-top:1px solid var(--rule);padding-top:.8rem}.allowances summary{cursor:pointer;font-weight:600;margin-bottom:.7rem}.result-summary{font-weight:600;color:var(--pine)}.result-list{display:grid;grid-template-columns:1fr 1fr;gap:.55rem 1rem;margin:0 0 1rem}.result-list div{display:grid;gap:.1rem;border-top:1px solid var(--rule);padding-top:.35rem}.result-list dt{color:var(--ink-soft);font-size:.82rem}.result-list dd{margin:0;font-variant-numeric:tabular-nums}.note-list{margin:0 0 1rem;padding-left:1.1rem;color:var(--ink-soft)}.button-row{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:.4rem}button{font:inherit;cursor:pointer;border:1px solid var(--ink);min-height:2.75rem;padding:.5rem .9rem}.button-primary{background:var(--ink);color:var(--paper-2)}.button-secondary{background:transparent;color:var(--ink)}.diagrams-section,.job-pack,.methods,.faq,.static-copy{margin-bottom:1.25rem}.faq h3{margin:1rem 0 .35rem;font-size:1.05rem}.faq h3:first-of-type{margin-top:.35rem}body>noscript{display:block;max-width:1120px;margin:0 auto;padding:0 1.25rem 1rem}body>noscript p{background:var(--banner);border:1px solid var(--brass-soft);border-left:4px solid var(--brass);padding:.85rem 1rem}.diagram-grid{display:grid;grid-template-columns:1fr;gap:1rem}.diagram-panel{margin:0;border:1px solid var(--rule);background:#fbf7ef;padding:.75rem}.diagram-panel figcaption{font-weight:600;margin-bottom:.4rem}.diagram{width:100%;height:auto;display:block;background:repeating-linear-gradient(0deg,transparent,transparent 11px,rgb(28 36 48 / 4%) 12px)}.diagram-headrail{fill:var(--ink)}.diagram-cloth{fill:#f4ead6;stroke:var(--ink);stroke-width:1.5}.diagram-fold,.diagram-dim,.diagram-cloth-edge,.diagram-rod,.diagram-cord,.diagram-cascade{stroke:var(--ink-soft);fill:none}.diagram-fold{stroke-dasharray:6 4}.diagram-ring{fill:var(--paper-2);stroke:var(--brass);stroke-width:1.5}.diagram-label{fill:var(--ink);font-size:11px;font-family:Segoe UI,Helvetica Neue,Arial,sans-serif}.diagram-help{color:var(--ink-soft);font-size:.9rem;margin:.6rem 0 0}.table-wrap{display:grid;grid-template-columns:1fr 1fr;gap:.75rem;margin-top:.75rem}.data-table{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}.data-table caption{text-align:left;font-weight:600;margin-bottom:.35rem}.data-table th,.data-table td{border-bottom:1px solid var(--rule);padding:.35rem .4rem;text-align:left}.job-sheet{border:1px solid var(--ink);padding:1rem;background:#fff}.job-sheet-head{display:grid;gap:.2rem;margin-bottom:.8rem;border-bottom:2px solid var(--ink);padding-bottom:.6rem}.job-stamp{color:var(--warn);font-weight:600;text-transform:uppercase;letter-spacing:.08em;font-size:.78rem}.job-footnote,.copy-status{color:var(--ink-soft)}.methods ul,.static-copy ul,.static-copy ol{padding-left:1.2rem}.methods li,.static-copy li{margin-bottom:.4rem}.measure-figure{margin:1rem 0;background:#fbf7ef;border:1px solid var(--rule);padding:.75rem}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:860px){.workspace,.choice-cards,.field-grid,.allowance-grid,.job-meta,.result-list,.table-wrap{grid-template-columns:1fr}#root,.static-page{padding:1rem .85rem 2.5rem}}@media(max-width:640px){.site-header,.site-footer{align-items:flex-start;flex-direction:column}}@media print{:root,body{background:#fff;color:#111}.site-header .tagline:after{content:" · printed estimate, not a cutting ticket";color:#7a321f}@page{margin:12mm}.skip-link,.site-header nav,.calculator-form,.button-row,.no-print,.allowances,.copy-status,.site-footer{display:none!important}#root,.static-page{max-width:none;padding:0}.panel,.diagram-panel,.job-sheet,.disclaimer,.experiment-banner{box-shadow:none;break-inside:avoid;page-break-inside:avoid}.workspace{display:block}.job-pack{break-before:page;page-break-before:always}a{color:inherit;text-decoration:none}.intro{margin-bottom:.6rem}.diagrams-section{break-inside:avoid}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}