:root{--accent:#31574a;--paper:#f4f1e9;--ink:#20362e;--serif:Georgia,'Times New Roman',serif;--sans:Arial,Helvetica,sans-serif;--line:color-mix(in srgb,var(--ink) 18%,transparent);--muted:color-mix(in srgb,var(--ink) 72%,var(--paper));--wash:color-mix(in srgb,var(--accent) 7%,var(--paper));--white:#fffdf8;--radius:4px;--max:1260px;--space:80px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.65}img,svg{max-width:100%;display:block}img{height:auto}a{color:inherit;text-underline-offset:4px;text-decoration-thickness:1px}a:hover{color:var(--accent)}button,input,textarea{font:inherit}button,a,input,textarea{touch-action:manipulation}button{cursor:pointer}a,button{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}p{margin:0 0 1.1em}h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:1.12;margin:0 0 .65em}h1{font-size:clamp(2.6rem,5.2vw,5.4rem);letter-spacing:-.045em}h2{font-size:clamp(1.8rem,3vw,3rem);letter-spacing:-.025em}h3{font-size:1.6rem;letter-spacing:-.018em}small{font-size:.8rem}::selection{background:var(--accent);color:var(--paper)}.wrap{max-width:var(--max);margin:auto;padding-inline:42px}.skip{position:fixed;top:-100px;left:20px;z-index:100;background:var(--ink);color:white;padding:12px 20px}.skip:focus{top:10px}.sitehead{border-bottom:1px solid var(--line)}.head-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;min-height:98px}.brand{font-family:var(--serif);font-weight:700;font-size:1.62rem;line-height:1.05;letter-spacing:-.045em;text-decoration:none;display:flex;gap:12px;align-items:center;max-width:340px}.brand-mark{display:grid;place-items:center;background:var(--accent);color:var(--paper);width:37px;height:37px;flex:none;border-radius:50%;font-family:var(--sans);font-size:.85rem;letter-spacing:0}.nav{display:flex;gap:27px;align-items:center;font-size:.85rem}.nav a{text-decoration:none}.nav .nav-tool{border:1px solid var(--line);padding:9px 14px}.nav a[aria-current=page]{text-decoration:underline}.menu-toggle{display:none;border:1px solid var(--line);background:transparent;color:var(--ink);padding:8px 14px}.eyebrow,.number{font-family:var(--sans);font-size:.66rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);line-height:1.5}.eyebrow{margin-bottom:23px}.muted,.card-meta{color:var(--muted)}.lede{font-size:1.05rem;line-height:1.8;max-width:49ch}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:28px;padding:14px 22px;background:var(--accent);border:1px solid var(--accent);color:var(--white);text-decoration:none;font-size:.82rem;line-height:1.5;font-weight:700}.button:hover{background:var(--ink);border-color:var(--ink);color:var(--white)}.button.secondary{color:var(--ink);background:transparent;border-color:var(--line)}.button-row{display:flex;gap:17px;align-items:center;flex-wrap:wrap;margin-top:28px}.text-button{border:0;border-bottom:1px solid var(--line);background:none;padding:6px 0;color:var(--ink);font-size:.8rem}.text-button:hover{color:var(--accent);border-color:var(--accent)}.arrow-link{font-size:.83rem;font-weight:700;text-decoration:none;border-bottom:1px solid var(--line);padding-bottom:6px}.arrow-link span{margin-left:20px}.hero{padding-block:68px 56px;display:grid;grid-template-columns:1fr 1.13fr;gap:55px;align-items:center}.hero-copy h1{max-width:10ch}.hero-copy .lede{max-width:41ch}.hero-art{margin:0;position:relative}.hero-art img{width:100%;border-radius:var(--radius)}.art-caption{display:flex;justify-content:space-between;gap:20px;margin-top:10px;font-size:.64rem;letter-spacing:.04em;color:var(--muted)}.hero-note{border-top:1px solid var(--line);padding-top:20px;margin-top:32px;display:flex;gap:20px;align-items:center;font-size:.8rem}.hero-note .number{font-size:2.5rem;letter-spacing:-.07em;font-family:var(--serif)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:32px}.section-head h2{margin:0}.section-head .eyebrow{margin-bottom:10px}.section{padding-block:var(--space)}.section+.section{border-top:1px solid var(--line)}.category-strip{display:grid;grid-template-columns:1fr 1fr;gap:0;border-block:1px solid var(--line)}.category-strip a{display:flex;align-items:center;justify-content:space-between;text-decoration:none;font-family:var(--serif);font-size:1.5rem;padding:25px 8px}.category-strip a:first-child{border-right:1px solid var(--line);padding-right:30px}.category-strip a:last-child{padding-left:30px}.category-strip small{font-family:var(--sans);font-size:.65rem;margin-left:20px;letter-spacing:.08em}.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:48px 30px}.card{position:relative;min-width:0}.card-link{display:block;text-decoration:none}.card-image{overflow:hidden;background:var(--wash);margin-bottom:22px;border-radius:var(--radius)}.card-image img{width:100%;aspect-ratio:1.65;object-fit:cover;transition:transform .45s ease}.card-link:hover .card-image img{transform:scale(1.025)}.card .eyebrow{margin-bottom:11px;font-size:.6rem}.card h3{max-width:28ch;margin-bottom:13px}.card p{font-size:.9rem;color:var(--muted);max-width:56ch}.card-meta{font-size:.68rem;border-top:1px solid var(--line);padding-top:15px;display:flex;justify-content:space-between;gap:15px}.save{border:0;background:transparent;padding:10px 0;color:var(--muted);font-size:.7rem}.save[aria-pressed=true]{color:var(--accent);font-weight:bold}.search-row{display:flex;justify-content:space-between;align-items:center;gap:22px;margin-block:30px}.search-box{display:flex;align-items:center;border-bottom:1px solid var(--ink);gap:12px;max-width:410px;width:100%;padding:10px 0}.search-box label{font-size:.75rem;flex:none}.search-box input{width:100%;border:0;background:transparent;color:var(--ink);font-size:.85rem;padding:7px 4px;min-width:0}.search-state{font-size:.78rem;color:var(--muted)}.no-results{padding:40px;border:1px dashed var(--line);font-size:.95rem}.no-results[hidden],[hidden]{display:none!important}.tool-teaser{background:var(--ink);color:var(--paper);padding:45px 48px;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;position:relative;overflow:hidden}.tool-teaser .eyebrow{color:inherit;opacity:.65}.tool-teaser h2{max-width:14ch}.tool-teaser p{font-size:.9rem;opacity:.8;max-width:52ch}.tool-teaser .button{background:var(--paper);color:var(--ink);border-color:var(--paper)}.tool-symbol{font-family:var(--serif);font-size:6.8rem;line-height:1;letter-spacing:-.07em;opacity:.8;margin-bottom:20px}.teaser-equation{border-left:1px solid #ffffff40;padding-left:40px;font-size:.8rem}.editor-note{display:grid;grid-template-columns:1fr 2fr;gap:60px;padding-block:55px;border-top:1px solid var(--line)}.editor-note p{max-width:80ch;color:var(--muted);font-size:.85rem}.sitefoot{margin-top:65px;background:var(--wash);border-top:1px solid var(--line);padding-block:55px 25px}.foot-top{display:grid;grid-template-columns:1.2fr 1fr;gap:60px}.foot-description{font-size:.85rem;max-width:50ch;color:var(--muted);margin-top:18px}.foot-links{display:grid;grid-template-columns:1fr 1fr;gap:10px 24px;align-content:start;font-size:.78rem}.foot-links a{text-decoration:none}.foot-bottom{border-top:1px solid var(--line);margin-top:40px;padding-top:19px;display:flex;justify-content:space-between;gap:20px;font-size:.66rem;color:var(--muted);flex-wrap:wrap}.crumbs{padding-block:25px;font-size:.72rem;color:var(--muted);display:flex;gap:12px;flex-wrap:wrap}.crumbs a{text-decoration:none}.collection-intro{padding-block:42px 48px;display:grid;grid-template-columns:1.3fr 1fr;gap:70px;align-items:end}.collection-intro h1{font-size:clamp(2.7rem,5vw,5.1rem);margin:0}.collection-intro p{font-size:1rem;max-width:50ch}.collection-nav{display:flex;gap:16px;margin-top:20px;flex-wrap:wrap}.collection-nav a{border:1px solid var(--line);padding:7px 14px;font-size:.72rem;text-decoration:none}.collection-nav a[aria-current=page]{background:var(--ink);color:var(--paper);border-color:var(--ink)}.article-header{padding-block:30px 40px}.article-header h1{font-size:clamp(2.6rem,4.8vw,5.2rem);max-width:18ch}.article-header .lede{max-width:66ch}.article-byline{display:flex;gap:24px;font-size:.7rem;color:var(--muted);margin-top:23px;flex-wrap:wrap}.article-cover{margin:0 0 45px}.article-cover img{width:100%;max-height:600px;object-fit:cover}.article-cover figcaption{font-size:.65rem;color:var(--muted);margin-top:10px}.reading-layout{display:grid;grid-template-columns:225px minmax(0,1fr);gap:70px;align-items:start}.article-body{max-width:760px;min-width:0}.article-body section{margin-bottom:50px;scroll-margin-top:25px}.article-body h2{font-size:2rem;margin-bottom:21px}.article-body p{font-size:1rem;line-height:1.95}.article-body .eyebrow{font-size:.61rem;margin-bottom:10px}.toc{position:sticky;top:25px;border-top:2px solid var(--accent);padding-top:20px;font-size:.74rem}.toc ol{padding:0;list-style:none;margin:15px 0 25px}.toc li{border-bottom:1px solid var(--line);padding:11px 0}.toc a{text-decoration:none}.toc .save{font-size:.73rem}.steps{list-style:none;counter-reset:step;padding:0;margin:25px 0}.steps li{counter-increment:step;display:grid;grid-template-columns:42px 1fr;gap:20px;padding:20px 0;border-top:1px solid var(--line);font-size:.95rem;line-height:1.8}.steps li:before{content:counter(step,decimal-leading-zero);font-family:var(--serif);font-size:1.7rem;color:var(--accent)}.example-box{padding:30px;background:var(--wash);border-left:3px solid var(--accent)}.example-box p:last-child{margin:0}.article-table{width:100%;border-collapse:collapse;font-size:.87rem}.article-table th,.article-table td{text-align:left;vertical-align:top;padding:18px 15px;border-bottom:1px solid var(--line);line-height:1.7}.article-table th{font-size:.64rem;letter-spacing:.1em;text-transform:uppercase;background:var(--wash)}.article-table td:first-child{width:36%;font-weight:700}.source-list{list-style:none;padding:0}.source-list li{padding:18px 0;border-bottom:1px solid var(--line);font-size:.85rem}.source-list span{display:block;color:var(--muted);font-size:.7rem;margin-top:6px}.source-note{color:var(--muted);font-size:.78rem!important;line-height:1.8!important}.related{border-top:1px solid var(--line);margin-top:60px;padding-top:45px}.related .card-image img{aspect-ratio:1.8}.related .card h3{font-size:1.3rem}.related .card-grid{gap:25px}.reading-progress{height:3px;background:var(--accent);position:fixed;top:0;left:0;width:0;z-index:50}.support-header{padding-block:50px;border-bottom:1px solid var(--line);margin-bottom:45px}.support-header h1{font-size:clamp(2.7rem,5vw,4.8rem)}.prose{max-width:820px;margin-inline:auto}.prose h2{font-size:1.9rem;margin-top:43px}.prose p,.prose li{font-size:.97rem;line-height:1.9}.prose li{margin-bottom:10px}.contact-box{border:1px solid var(--line);padding:30px;margin:30px 0;overflow-wrap:anywhere}.contact-box a{font-size:1.1rem}.tool-hero{display:grid;grid-template-columns:1.2fr .8fr;gap:70px;align-items:center;padding-block:40px 45px}.tool-hero h1{font-size:clamp(2.7rem,4.7vw,4.7rem)}.tool-hero img{max-height:290px;width:100%;object-fit:cover}.tool-workspace{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);background:var(--white)}.tool-input{padding:38px 40px}.tool-result{padding:38px 40px;background:var(--ink);color:var(--paper);min-height:380px}.tool-result .eyebrow{color:inherit;opacity:.65}.tool-result h2{font-size:1.8rem;max-width:25ch}.tool-result p{font-size:.87rem;opacity:.86}.result-value{font-family:var(--serif);font-size:clamp(2.7rem,5vw,4.8rem);line-height:1.1;margin:25px 0;letter-spacing:-.04em;overflow-wrap:anywhere}.input-field{margin-bottom:21px}.input-field label{display:block;font-size:.78rem;font-weight:700;margin-bottom:8px}.input-field small{font-size:.68rem;font-weight:400;color:var(--muted);margin-left:5px}.input-field input:not([type=color]),textarea{width:100%;border:1px solid var(--line);background:var(--paper);color:var(--ink);padding:12px 14px;border-radius:0}.input-field input[type=color]{width:100%;height:65px;cursor:pointer;border:1px solid var(--line);padding:4px;background:var(--paper)}textarea{resize:vertical}.checkline{display:flex;gap:13px;font-size:.85rem;line-height:1.7;margin-bottom:21px;cursor:pointer}.checkline input{width:18px;height:18px;margin-top:5px;flex:none;accent-color:var(--accent)}.formula-note{margin-top:35px;padding:35px;border:1px solid var(--line)}.formula-note h2{font-size:2rem}.formula-note code{display:block;background:var(--wash);font-size:.85rem;padding:17px;margin-block:20px;white-space:normal;overflow-wrap:anywhere}.formula-note p{font-size:.88rem;max-width:85ch}.error{color:#ffdec1!important;opacity:1!important}.result-notes{padding-left:20px;font-size:.82rem}.color-preview{display:flex;height:75px;border:1px solid #ffffff50;margin-top:20px}.color-preview span{flex:1}.sourced-badge{display:inline-flex;gap:10px;align-items:center;font-size:.65rem;color:var(--muted);border:1px solid var(--line);padding:7px 11px}.sourced-badge:before{content:'';width:5px;height:5px;border-radius:50%;background:var(--accent)}
/* Eight home compositions, eight type systems, six collections and eight reading layouts. */
.page-home.home-layout-1 .hero{grid-template-columns:1.2fr 1fr;gap:0;padding-top:40px}.page-home.home-layout-1 .hero-art{order:-1}.page-home.home-layout-1 .hero-copy{background:var(--ink);color:var(--paper);padding:52px 46px;margin-left:-25px;z-index:1}.page-home.home-layout-1 .hero-copy .eyebrow{color:inherit;opacity:.7}.page-home.home-layout-1 .hero-copy .button{background:var(--paper);color:var(--ink);border:0}.page-home.home-layout-1 .hero-copy .hero-note{border-color:#ffffff40}.page-home.home-layout-1 .card-grid{grid-template-columns:repeat(4,1fr);gap:22px}.page-home.home-layout-1 .card h3{font-size:1.35rem}.page-home.home-layout-1 .card p{font-size:.8rem}.page-home.home-layout-1 .card-image img{aspect-ratio:1.02}
.page-home.home-layout-2 .hero{display:block;text-align:center;padding-top:60px}.page-home.home-layout-2 .hero-copy{max-width:850px;margin:auto}.page-home.home-layout-2 .hero-copy h1{max-width:16ch;margin-inline:auto}.page-home.home-layout-2 .hero-copy .lede{margin-inline:auto;max-width:55ch}.page-home.home-layout-2 .hero-copy .button-row{justify-content:center}.page-home.home-layout-2 .hero-art{margin-top:42px}.page-home.home-layout-2 .hero-art img{max-height:425px;object-fit:cover;object-position:center 61%}.page-home.home-layout-2 .hero-note{display:none}.page-home.home-layout-2 .category-strip{margin-top:-5px}
.page-home.home-layout-3 .hero{grid-template-columns:.8fr 1.2fr;gap:45px}.page-home.home-layout-3 .hero-copy{padding-right:15px}.page-home.home-layout-3 .hero-art img{border-radius:50% 50% 4px 4px;aspect-ratio:.96;object-fit:cover}.page-home.home-layout-3 .category-strip{border:0;gap:20px}.page-home.home-layout-3 .category-strip a{border:1px solid var(--line);border-radius:90px;padding:20px 30px}.page-home.home-layout-3 .card-grid{gap:55px}.page-home.home-layout-3 .card:nth-child(even){padding-top:70px}
.page-home.home-layout-4 .hero{border-bottom:1px solid var(--line);gap:25px;grid-template-columns:1.1fr 1fr}.page-home.home-layout-4 .hero-art{background:var(--wash);border:1px solid var(--line);padding:20px}.page-home.home-layout-4 .hero-copy h1{font-family:var(--sans);font-size:clamp(2.9rem,4.7vw,4.9rem);font-weight:700;letter-spacing:-.06em}.page-home.home-layout-4 .card-grid{display:block}.page-home.home-layout-4 .card{border-top:1px solid var(--line);padding-block:25px}.page-home.home-layout-4 .card-link{display:grid;grid-template-columns:230px 1fr;gap:0 32px}.page-home.home-layout-4 .card-image{margin:0;grid-row:span 4}.page-home.home-layout-4 .card p{max-width:70ch}.page-home.home-layout-4 .card-meta{border:0;padding-top:5px}.page-home.home-layout-4 .card .save{position:absolute;bottom:18px;right:0}
.page-home.home-layout-5 .hero{display:flex;flex-direction:column;align-items:stretch;gap:32px}.page-home.home-layout-5 .hero-copy{display:grid;grid-template-columns:1.3fr 1fr;column-gap:60px;align-items:start}.page-home.home-layout-5 .hero-copy h1{grid-column:1;max-width:14ch;grid-row:2/5}.page-home.home-layout-5 .hero-copy .eyebrow{grid-column:1/-1}.page-home.home-layout-5 .hero-copy .lede,.page-home.home-layout-5 .hero-copy .button-row{grid-column:2}.page-home.home-layout-5 .hero-note{display:none}.page-home.home-layout-5 .hero-art img{max-height:440px;object-fit:cover}.page-home.home-layout-5 .card-grid{grid-template-columns:1fr 1fr 1fr}.page-home.home-layout-5 .card:first-child{grid-column:span 2}.page-home.home-layout-5 .card:nth-child(2){padding-top:20px}.page-home.home-layout-5 .card:last-child{grid-column:2/4}
.page-home.home-layout-6 .hero{grid-template-columns:1.15fr .85fr;gap:70px}.page-home.home-layout-6 .hero-art img{border-radius:0;transform:rotate(3deg);border:10px solid var(--white);box-shadow:0 15px 50px #00000010}.page-home.home-layout-6 .hero-copy h1{font-size:clamp(3rem,5.5vw,5.5rem);max-width:11ch}.page-home.home-layout-6 .category-strip a{font-family:var(--sans);font-size:1rem;font-weight:700}.page-home.home-layout-6 .card-grid{grid-template-columns:repeat(4,1fr);gap:24px}.page-home.home-layout-6 .card h3{font-family:var(--sans);font-size:1.15rem;font-weight:700;line-height:1.4}.page-home.home-layout-6 .card p{font-size:.8rem}.page-home.home-layout-6 .card-image img{aspect-ratio:.95}
.page-home.home-layout-7 .hero{grid-template-columns:1fr 1fr;border-bottom:4px double var(--line);gap:35px}.page-home.home-layout-7 .hero-art{order:-1}.page-home.home-layout-7 .hero-copy h1{font-size:clamp(3rem,5vw,5rem)}.page-home.home-layout-7 .hero-note{font-family:var(--serif);font-style:italic}.page-home.home-layout-7 .card-grid{gap:0}.page-home.home-layout-7 .card{padding:30px;border:1px solid var(--line);margin:-1px 0 0 -1px}.page-home.home-layout-7 .card-image{margin:-30px -30px 25px;border-bottom:1px solid var(--line)}.page-home.home-layout-7 .section-head{border-bottom:1px solid var(--line);padding-bottom:20px}
.variant-1{--serif:'Palatino Linotype',Palatino,Georgia,serif;--radius:0px;--space:72px}.variant-1 .brand-mark{border-radius:0}.variant-1 .sitehead{border-top:7px solid var(--accent)}.variant-2{--serif:Cambria,Georgia,serif;--radius:12px;--space:75px}.variant-2 .head-inner{min-height:120px;flex-wrap:wrap;justify-content:center;gap:10px;padding-block:23px}.variant-2 .brand{max-width:none;font-size:2rem}.variant-2 .nav{justify-content:center;flex-basis:100%;gap:30px}.variant-3{--serif:Georgia,serif;--radius:20px;--space:90px}.variant-3 .brand{font-style:italic}.variant-3 .sitehead{border:0}.variant-3 .head-inner{border-bottom:1px solid var(--line)}.variant-4{--serif:Arial,Helvetica,sans-serif;--radius:0px;--space:65px}.variant-4 h2,.variant-4 h3{font-weight:700;letter-spacing:-.045em}.variant-4 .brand{font-family:var(--sans);font-weight:800;font-size:1.4rem;letter-spacing:-.05em}.variant-4 .brand-mark{border-radius:3px}.variant-4 .sitehead{border-bottom:2px solid var(--ink)}.variant-5{--serif:'Book Antiqua',Palatino,Georgia,serif;--radius:0px}.variant-5 .brand{font-size:1.9rem}.variant-5 .brand-mark{background:none;color:var(--accent);border:1px solid var(--accent);border-radius:0;transform:rotate(-8deg)}.variant-5 .head-inner{min-height:112px}.variant-6{--serif:Cambria,Georgia,serif;--radius:3px}.variant-6 .brand-mark{border-radius:50% 50% 0 0}.variant-6 .sitehead{background:var(--wash)}.variant-7{--serif:Georgia,serif;--radius:0px;--space:65px}.variant-7 .head-inner{display:block;text-align:center;padding-block:22px}.variant-7 .brand{font-size:2.3rem;max-width:none;justify-content:center}.variant-7 .brand-mark{display:none}.variant-7 .nav{justify-content:center;margin-top:22px;border-top:1px solid var(--line);padding-top:16px}.family-1 .eyebrow{letter-spacing:.2em}.family-2 .article-body h2{font-family:var(--sans);font-size:1.7rem;font-weight:700}.family-2 .brand-mark{border-radius:7px}.family-3 .article-body{background-image:linear-gradient(transparent 31px,color-mix(in srgb,var(--accent) 4%,transparent) 32px);background-size:100% 32px}.family-4 .button{border-radius:4px}.family-4 .brand-mark{border-radius:9px;transform:rotate(-7deg)}
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.page-home.home-layout-1 .hero-copy .hero-note .number{color:var(--paper);opacity:.8}

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html{scroll-padding-top:calc(var(--header-height) + 20px)}
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@media(max-width:780px){
 :root{--header-height:86px}
 .sitehead .nav.open{max-height:calc(100dvh - 110px);overflow-y:auto;padding-bottom:8px}
 .toc,.article-layout-5 .toc{max-height:none;overflow:visible}
 .article-header{padding-bottom:30px}
 .article-cover{margin-bottom:32px}
 .sourced-badge{margin-bottom:22px}
 .article-layout-4 .article-body section{padding:24px}
}
@media(max-width:500px){
 .article-header h1,.hero-copy h1,.support-header h1{overflow-wrap:anywhere}
 .article-table th,.article-table td{padding:12px 9px}
 .article-cover.photographic img{aspect-ratio:4/3}
 .art-caption{font-size:.6rem}
}
@media print{
 .sitehead{position:static;box-shadow:none}
 .article-cover img[src$=".svg"]{max-height:280px;object-fit:contain}
 .toc{max-height:none;overflow:visible}
}

/* Five collection links and larger catalogues retain usable navigation. */
.category-strip{grid-template-columns:repeat(5,minmax(0,1fr))}
.category-strip a,.category-strip a:first-child,.category-strip a:last-child,.page-home.home-layout-3 .category-strip a{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px 12px;align-content:center;padding:20px 14px;font-size:1.18rem;min-width:0;border-right:0}
.category-strip a>span:first-child{line-height:1.25;overflow-wrap:break-word}
.category-strip a>span:last-child{grid-column:2;grid-row:1/3}
.category-strip small{display:block;grid-column:1;grid-row:2;margin:0;font-size:.6rem;line-height:1.7;overflow-wrap:break-word}
.category-strip a+a{border-left:1px solid var(--line)}
.collection-intro>*{min-width:0}
.collection-nav{gap:10px;line-height:1.65}
@media(min-width:781px){
 .sitehead .head-inner{display:flex;flex-wrap:wrap;justify-content:center;gap:16px 26px;padding-block:18px}
 .sitehead .brand{flex:0 1 auto;max-width:100%;justify-content:center}
 .sitehead .nav{flex:1 1 760px;display:flex;flex-wrap:wrap;justify-content:center;margin:0;padding:0;gap:12px 20px}
}
@media(max-width:1100px) and (min-width:781px){
 .category-strip{grid-template-columns:repeat(3,minmax(0,1fr))}
 .category-strip a{border-bottom:1px solid var(--line)}
}
@media(max-width:780px){
 .category-strip{grid-template-columns:repeat(2,minmax(0,1fr));gap:0}
 .category-strip a,.category-strip a:first-child,.category-strip a:last-child,.page-home.home-layout-3 .category-strip a{padding:16px 12px;font-size:1.03rem;border-bottom:1px solid var(--line);margin:0}
 .category-strip a:nth-child(odd){border-left:0}
 .category-strip a:last-child{grid-column:1/-1}
 .sitehead .nav.open{gap:14px 20px}
 .collection-nav a{padding:8px 11px}
}

/* Source-backed editorial cards: actual product imagery or useful reference facts. */
.card-image.photographic{background:#fff;aspect-ratio:4/3;display:grid;place-items:center;padding:16px}
.card-image.photographic img{width:100%;height:100%;object-fit:contain;max-height:280px}
.hero-art.photographic{background:#fff}
.hero-art.photographic img{width:100%;height:auto;max-height:560px;object-fit:contain}
.article-cover.photographic{background:#fff;display:flex;flex-direction:column;margin:0;max-width:100%}
.article-cover.photographic img{display:block;width:100%;height:auto;max-height:480px;object-fit:contain;background:white}
.article-cover figcaption{font-size:.8rem;line-height:1.6;padding:16px;overflow-wrap:anywhere}
.reference-card{min-height:250px;padding:24px;background:color-mix(in srgb,var(--accent) 7%,white);border:1px solid var(--line);display:flex;flex-direction:column;gap:16px}
.reference-card strong{font-family:var(--display,Georgia,serif);font-size:1.35rem;line-height:1.3}
.reference-card dl{margin:0;font-size:.85rem}.reference-card dl div{padding:8px 0;border-top:1px solid var(--line)}
.reference-card dt{font-weight:600}.reference-card dd{margin:4px 0 0;overflow-wrap:anywhere}
.hero-reference{padding:36px;background:color-mix(in srgb,var(--accent) 8%,white);border:1px solid var(--line)}
.hero-reference h2{font-size:clamp(1.8rem,3vw,3rem);margin:20px 0}.hero-reference ul{padding-left:20px;line-height:1.8}
.article-table th[scope=row]{font-weight:600;text-align:left;vertical-align:top;width:35%}
.article-header{min-width:0}.article-heading-copy{min-width:0}.article-heading-copy h1{overflow-wrap:anywhere}
@media(max-width:780px){.reference-card{min-height:0;padding:20px}.hero-reference{padding:24px}.article-cover.photographic img{max-height:350px}.article-table th[scope=row]{width:38%}}

.article-cover.photographic figcaption{color:var(--ink);background:#fff}.article-cover.photographic figcaption a{color:var(--accent)}

/* Expanded reference collections: compact controls and readable fact summaries. */
.search-row{flex-wrap:wrap;align-items:end;gap:16px}.search-row .search-box{flex:1 1 270px;min-width:0}.browse-control{display:flex;flex-direction:column;gap:7px;flex:0 1 200px;min-width:150px}.browse-control label{font-size:.74rem;text-transform:uppercase;letter-spacing:.08em;font-weight:700}.browse-control select{width:100%;min-height:46px;padding:10px 30px 10px 12px;border:1px solid currentColor;border-radius:0;background:var(--paper);color:var(--ink);font:inherit;font-size:.85rem}.search-state{flex:0 1 auto;align-self:center}.quick-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin:0 0 48px;border-top:1px solid currentColor;border-bottom:1px solid currentColor}.quick-facts>div{min-width:0;padding:20px 24px}.quick-facts>div+div{border-left:1px solid color-mix(in srgb,var(--ink) 20%,transparent)}.quick-facts dt{font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:8px}.quick-facts dd{margin:0;font-size:1.05rem;line-height:1.6;overflow-wrap:anywhere}.reference-card{min-height:220px}.reference-card strong{overflow-wrap:anywhere}.card-meta{gap:10px;flex-wrap:wrap}.category-strip small{font-variant-numeric:tabular-nums}.family-2 .quick-facts{background:color-mix(in srgb,var(--accent) 6%,var(--paper))}.family-3 .reference-card{border-top:3px solid var(--accent)}.family-4 .quick-facts dd{font-weight:600}select:focus-visible{outline:2px solid var(--accent);outline-offset:3px}@media(max-width:700px){.browse-control{flex:1 1 140px;min-width:0}.search-row .search-box{flex-basis:100%}.quick-facts{grid-template-columns:1fr;margin-bottom:28px}.quick-facts>div{padding:12px 16px}.quick-facts>div+div{border-left:0;border-top:1px solid color-mix(in srgb,var(--ink) 20%,transparent)}.quick-facts dd{font-size:.95rem}}@media print{.search-row{display:none}.quick-facts{break-inside:avoid}}