:root{--ink:#202b26;--muted:#536058;--green:#154b3e;--orange:#ad3f20;--paper:#f7f5ee;--sage:#e4ecdf;--line:#ced4c8;--white:#fffdf7;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none;line-height:1.6}*{box-sizing:border-box}body{margin:0}a{color:var(--green);text-underline-offset:.22em}a:hover{color:var(--orange)}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer}img{display:block;max-inline-size:100%;block-size:auto}h1,h2,h3,p{margin-block-start:0}h1,h2,h3{line-height:1.12;letter-spacing:-.045em}h1{font-size:clamp(2.6rem,5.4vw,5rem);font-weight:600;margin-block-end:1.2rem}h2{font-size:clamp(2rem,3vw,2.9rem);font-weight:500}h3{font-size:1.5rem;font-weight:500}p{margin-block-end:1.2rem}em{font-family:Georgia,serif;font-weight:400;color:var(--green)}:focus-visible{outline:3px solid 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@media(max-width:640px){.header{padding-block:1rem;flex-wrap:wrap;gap:1.2rem}.brand{font-size:1.5rem}.header nav{inline-size:100%;justify-content:space-between;border-block-start:1px solid var(--line);padding-block-start:1rem}.header nav a{font-size:.85rem}main{padding-inline:5%}.hero{grid-template-columns:1fr;padding-block:2.5rem;gap:2.5rem}.hero h1{font-size:clamp(2.7rem,10.6vw,4rem)}.hero-lead{font-size:1rem}.hero-art{margin-inline:.4rem}.trust-strip{flex-direction:column;font-size:.78rem;gap:.7rem;padding-block:1rem}.section{padding-block:2.6rem}.section-heading{align-items:start;gap:1rem}.section-heading>p{display:none}.section-heading .text-link{font-size:.7rem;white-space:nowrap}.tool-grid{display:flex;flex-direction:column;gap:1rem}.tool-card,.tool-card:last-child{display:grid;grid-template-columns:100px minmax(0,1fr);align-items:center}.tool-card img,.tool-card:last-child img{block-size:100%;aspect-ratio:auto;object-fit:cover;border:0}.tool-card>div{padding:1.1rem}.tool-card h3{font-size:1.2rem}.tool-card p{font-size:.78rem}.tool-card .eyebrow{font-size:.52rem}.editorial-band{grid-template-columns:1fr;padding:1.2rem;gap:1.4rem}.editorial-band img{max-block-size:230px;object-fit:cover}.editorial-band h2{font-size:2.2rem}.article-row{gap:.8rem}.article-row h3{font-size:1.18rem;line-height:1.25}.article-row p{font-size:.8rem}.categories{grid-template-columns:1fr;gap:1.2rem;padding-block-end:2rem}.categories a{border-block-end:1px solid var(--line)}.categories h2{font-size:1.8rem;margin-block:.6rem}.article-layout{grid-template-columns:1fr;padding-block-start:1rem}.article-aside{border-inline-start:0;border-block-start:1px solid var(--line);padding-inline-start:0;padding-block-start:1.5rem}.article-header h1{font-size:2.35rem;line-height:1.13}.lede{font-size:1.03rem}.prose{font-size:.96rem}.prose h2{font-size:1.65rem}.workbench{grid-template-columns:1fr;gap:1.5rem}.workspace{padding:1rem}.tool-notes{display:grid;grid-template-columns:1fr;gap:0}.tool-notes img{display:none}.upload{padding:1.5rem .7rem}.upload strong{font-size:1rem}.tool-intro h1{font-size:2.7rem}.tool-intro .lede{margin-block-end:.8rem}.tool-intro>a{margin-block-end:1rem}.file-list li{gap:.35rem}.file-list button{min-inline-size:34px}.actions .button{inline-size:100%;gap:.5rem}.footer-top{align-items:start;flex-direction:column;gap:1.3rem}.footer-bottom{flex-direction:column;gap:.5rem}.breadcrumbs{font-size:.68rem;line-height:1.8}.notice{padding:1rem;font-size:.8rem}.tool-options input,.tool-options select{inline-size:100%}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media print{.header,footer,.article-aside,.breadcrumbs{display:none}.article-layout{display:block}.prose{font-size:11pt}body{background:white;color:black}a{color:black}.article-header h1{font-size:28pt}}

/* Visual expansion: original document diagrams now guide category and article discovery. */
.article-row{display:grid;grid-template-columns:112px 2.2rem minmax(0,1fr) auto;gap:1rem;padding-block:1.2rem;align-items:center}
.article-thumb{inline-size:112px;aspect-ratio:1.45;object-fit:cover;background:var(--sage);border:1px solid var(--line);transition:transform .2s ease}
.article-row:hover .article-thumb{transform:scale(1.035)}
.article-row>div{min-inline-size:0}
.categories{grid-template-columns:repeat(3,minmax(0,1fr));gap:1.25rem;border:0;padding-block:1rem 4rem}
.categories a{padding:0 0 1.25rem;background:var(--white);border:1px solid var(--line);overflow:hidden;transition:transform .18s ease,box-shadow .18s ease}
.categories a:hover{transform:translateY(-4px);box-shadow:0 12px 28px #202b2614}
.category-thumb{inline-size:100%;aspect-ratio:1.65;object-fit:cover;border-block-end:1px solid var(--line);margin-block-end:1rem}
.categories a>span,.categories h2,.categories p{margin-inline:1.2rem}
.categories h2{font-size:1.5rem;margin-block:.65rem}
.categories p{min-block-size:3.2em}
.categories b{inset-inline-end:1.2rem;inset-block-start:auto;inset-block-end:1.2rem}
@media(max-width:640px){.article-row{grid-template-columns:72px 1.35rem minmax(0,1fr) auto;gap:.65rem;padding-block:1rem}.article-thumb{inline-size:72px;aspect-ratio:1}.article-row h3{font-size:1.04rem}.article-row p{display:none}.categories{gap:.9rem;padding-block-end:2rem}.categories a{padding-block-end:.8rem}.category-thumb{aspect-ratio:1.8;margin-block-end:.7rem}.categories h2{font-size:1.3rem;margin-inline:1rem}.categories a>span,.categories p{margin-inline:1rem}.categories b{inset-inline-end:1rem;inset-block-end:1rem}}