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/* Original systems notation: a conceptual method, not a client diagram. */
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.hero-bottom{max-width:67%;align-items:start;flex-direction:column;gap:22px}
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.hero-system{position:absolute;right:64px;top:118px;width:300px;padding:25px;border:1px solid var(--line);background:linear-gradient(90deg,transparent 23px,#c9cdc133 24px,transparent 25px),linear-gradient(transparent 23px,#c9cdc133 24px,transparent 25px);background-size:24px 24px}
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.system-node{display:flex;gap:20px;align-items:center;background:var(--paper);padding:12px 0}.system-node>div{font-size:24px;font-family:var(--serif)}
.system-node small{display:block;font:10px/1.6 var(--sans);color:var(--muted);margin-top:4px}
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.project+.project{padding-bottom:62px;border-bottom:1px solid #c0c7b7}.project:last-child{padding-bottom:0;border-bottom:0}.project:nth-of-type(2) .project-visual{order:2}.project:nth-of-type(2) .project-copy{order:1}
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@media(max-width:900px){.hero h1{font-size:60px}.hero-system{width:235px;padding:18px}.system-node{gap:12px}.system-node small{font-size:9px}}
@media(max-width:760px){.hero h1{max-width:none;font-size:clamp(47px,9.6vw,72px)}.hero-bottom{max-width:none;display:block}.hero-system{position:relative;right:auto;top:auto;width:100%;margin:0 0 30px;padding:22px}.hero-note{margin-top:30px}.system-label{margin-bottom:12px}.system-node{padding:8px 0}.system-line{height:16px}.hero-system>p{margin-top:14px}.experience-band{padding:48px 0}.experience-heading{display:block}.experience-heading h2{margin:20px 0}.experience-heading>p:last-child{max-width:450px}.contexts{grid-template-columns:1fr;gap:25px;margin-top:32px}.contexts article{display:grid;grid-template-columns:24px 1fr;gap:10px 16px}.contexts h3{margin:0;font-size:22px}.contexts p{grid-column:2;max-width:none}.contexts .index{padding-top:3px}.project:nth-of-type(2) .project-visual{order:0}.project:nth-of-type(2) .project-copy{order:0}.project+.project{padding-bottom:40px}.project:last-child{padding-bottom:0}}
@media(max-width:370px){.hero h1{font-size:43px}}

/* Concrete engagement scopes and case-study evidence. */
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@media(max-width:1100px){.case-details>div{grid-template-columns:1fr;gap:4px}.offer .offer-fit{min-height:100px}.offer h3{min-height:90px;font-size:25px}}
@media(max-width:760px){.offer h3,.offer .offer-fit{min-height:0}.offer .offer-fit{font-size:18px}.offer .text-link{margin-top:0}.case-details>div{grid-template-columns:1fr;gap:4px}.offer+.offer{padding-top:32px}.offer h4{margin-top:22px}}

/* Hero actions, research, open tools, and progressive motion. */
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}.button-quiet{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink);gap:24px}.button-quiet:hover{background:var(--ink);color:var(--paper)}
.button:focus-visible,.paper-body a:focus-visible{outline:3px solid var(--accent);outline-offset:4px}
.security-note{display:flex;gap:14px;align-items:baseline;margin-top:48px;padding-top:22px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);max-width:760px}
.tools{margin-top:62px;padding-top:30px;border-top:1px solid #c0c7b7;display:grid;grid-template-columns:1fr 2.2fr;gap:36px}.tools>.eyebrow{padding-top:6px;color:var(--muted)}
.tool{display:grid;grid-template-columns:auto 1fr;gap:6px 28px;align-items:baseline}.tool h3{font-size:19px;letter-spacing:0}.tool code{font:500 17px/1.2 ui-monospace,'SF Mono',Menlo,Consolas,monospace}.tool p{grid-column:2;font-size:13px;color:#4d5948;max-width:560px}.tool .status{grid-column:1;grid-row:2;align-self:start;margin-top:4px;justify-self:start}.tool .text-link{grid-column:2;margin-top:10px;justify-self:start}
.papers{list-style:none;margin:60px 0 0;padding:0;border-top:1px solid var(--line)}
.paper-row{display:grid;grid-template-columns:48px minmax(170px,1fr) 2.6fr minmax(140px,.9fr);gap:28px;padding:28px 0;border-bottom:1px solid var(--line);align-items:start;transition:background .25s}
.paper-row:hover{background:linear-gradient(90deg,transparent,#e8eadf 12%,#e8eadf 88%,transparent)}
.paper-index{font:italic 16px var(--serif);color:var(--accent);padding-top:3px}
.paper-meta{display:flex;flex-direction:column;gap:6px;font-size:11px;letter-spacing:.3px;padding-top:5px}.paper-role{color:var(--muted)}
.paper-body h3{font:400 23px/1.25 var(--serif);letter-spacing:-.3px}.paper-body h3 a{background:linear-gradient(currentColor,currentColor) 0 100%/0 1px no-repeat;transition:background-size .3s,color .2s}.paper-body h3 a:hover{background-size:100% 1px}.paper-body h3 span{font:13px var(--sans);margin-left:4px;color:var(--accent)}
.paper-body p{font-size:13px;color:var(--muted);margin-top:10px;max-width:620px}
.paper-practice{font-size:10px;text-transform:uppercase;letter-spacing:1px;color:var(--muted);text-align:right;padding-top:6px}
.research-note{font-size:11px;color:var(--muted);margin-top:24px;max-width:720px;line-height:1.7}
@media(prefers-reduced-motion:no-preference){
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 .system-line{transform-origin:top;animation:draw .7s cubic-bezier(.2,.7,.2,1) both}.system-line:nth-of-type(4){animation-delay:.35s}
 .node-mark{animation:mark .5s ease-out both}.system-node:nth-of-type(3) .node-mark{animation-delay:.3s}.system-node:nth-of-type(5) .node-mark{animation-delay:.65s}
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}
@keyframes draw{from{transform:scaleY(0)}}@keyframes mark{from{opacity:0;transform:scale(.6)}}@keyframes rise{from{opacity:.001;transform:translateY(28px)}}
@media(max-width:1100px){.paper-row{grid-template-columns:40px 1fr 2.4fr;gap:22px}.paper-practice{display:none}.tools{grid-template-columns:1fr}}
@media(max-width:760px){.hero-actions{margin-top:24px}.hero-bottom .button{margin-top:0}.security-note{margin-top:32px}.tools{margin-top:40px;gap:16px}.tool{grid-template-columns:1fr}.tool p,.tool .text-link,.tool .status{grid-column:1;grid-row:auto}.papers{margin-top:35px}.paper-row{grid-template-columns:28px 1fr;gap:8px 14px;padding:22px 0}.paper-meta{grid-column:2;flex-direction:row;flex-wrap:wrap;gap:4px 12px;padding-top:2px}.paper-body{grid-column:2}.paper-body h3{font-size:20px}.paper-row:hover{background:none}}
@media(max-width:480px){.nav-optional{display:none}}
.footer-links{flex-wrap:wrap}.footer-links a{white-space:nowrap}
@media(max-width:760px){.footer-links{gap:14px 24px}.hero-actions .button{min-width:232px;justify-content:space-between}}
.site-header nav a{white-space:nowrap}
@media(min-width:761px) and (max-width:960px){.site-header nav{gap:22px}.nav-contact{margin-left:0}}

/* Type system v2: self-hosted faces (OFL) and a readable text scale. */
@font-face{font-family:'Inter Tight';src:url(fonts/inter-tight-wght-normal.woff2) format('woff2');font-weight:100 900;font-style:normal;font-display:swap}
@font-face{font-family:'Instrument Serif';src:url(fonts/instrument-serif-400-normal.woff2) format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Instrument Serif';src:url(fonts/instrument-serif-400-italic.woff2) format('woff2');font-weight:400;font-style:italic;font-display:swap}
:root{--sans:'Inter Tight','Helvetica Neue',Helvetica,Arial,sans-serif;--serif:'Instrument Serif',Georgia,'Times New Roman',serif;--muted:#535b52}
body{font-size:17px;font-feature-settings:'ss01','cv11'}
::selection{background:var(--accent);color:var(--paper)}
em{font-style:italic;letter-spacing:-.01em}
h1,h2,h3{font-weight:400}
.hero h1{letter-spacing:-.045em;line-height:.98}.hero h1 em{letter-spacing:-.02em;padding-right:.04em}
h2{letter-spacing:-.04em;line-height:1.02}h2 em{letter-spacing:-.015em}
h3{letter-spacing:-.025em}
.wordmark{letter-spacing:-.075em;font-weight:650}
.eyebrow{font-size:11.5px;letter-spacing:.14em;font-weight:600}
.site-header nav{font-size:14px}
.hero-bottom p{font-size:18px;line-height:1.65;color:var(--muted)}
.hero-note{font-size:11px;letter-spacing:.12em}
.section-intro{font-size:16px;line-height:1.6}
.offer h3{font-size:30px}.offer .offer-fit{font-family:var(--serif);font-size:23px;line-height:1.25}
.capability p{font-size:15.5px;line-height:1.65}.capability ul,.offer li{font-size:13.5px}
.offer h4{font-size:11px;letter-spacing:.12em}.offer .offer-start{font-size:14px}.offer .text-link{font-size:13px}
.security-note{font-size:15px}
.experience-heading>p:last-child{font-size:16px}.contexts p{font-size:15px;line-height:1.6}.contexts h3{font-size:24px}.experience-note{font-size:12px}
.visual-top{font-size:11px}.visual-foot{font-size:10px;letter-spacing:.1em}
.status{font-size:11.5px}
.project-copy h3{font-size:40px}.project-lede{font-size:30px;line-height:1.15}
.project-copy .project-affiliation{font-size:13px!important}
.project-copy .case-details dt{font-size:11.5px;letter-spacing:.02em}.project-copy .case-details dd{font-size:15px;line-height:1.6}
.case-details>div{grid-template-columns:130px 1fr}
.project-copy .limitation{font-size:13px!important}
.text-link{font-size:13.5px}
.tool p{font-size:15px}
.paper-body h3{font-size:27px;line-height:1.15;letter-spacing:-.01em}.paper-body p{font-size:15px;line-height:1.6}
.paper-meta{font-size:12.5px}.paper-practice{font-size:11px}.research-note{font-size:13px}
.steps h3{font-size:26px}.steps p{font-size:16px;line-height:1.65}
.about h2{font-size:52px}.about-copy p{font-size:16px;line-height:1.7}.about-copy .large-copy{font-family:var(--serif);font-size:30px;line-height:1.25;letter-spacing:-.01em}
.contact-grid p{font-size:16px}.contact-caption{font-size:12px}
footer p{font-size:13px}.footer-links{font-size:14px}.copyright{font-size:11px}
.system-node>div{font-size:28px}.system-node small{font-size:11px}.system-label{font-size:10px}.hero-system>p{font-size:11px}

/* Receipts: footnote markers and the ledger. */
.cite{display:inline-grid;place-items:center;min-width:17px;height:17px;padding:0 4px;margin-left:5px;border:1px solid currentColor;border-radius:9px;font:600 9.5px/1 var(--sans);letter-spacing:0;vertical-align:super;color:var(--accent);text-transform:none;transition:background .2s,color .2s}
.cite:hover,.cite:focus-visible{background:var(--accent);color:var(--paper)}.cite:focus-visible{outline-offset:3px}
.contact .cite,.experience-band .cite{color:#ed987d}
.receipts{border-top:1px solid var(--line)}
.ledger{list-style:none;margin:56px 0 0;padding:0;border-top:1px solid var(--ink)}
.ledger-row{display:grid;grid-template-columns:56px 1.1fr 1.6fr 150px;gap:28px;padding:24px 0;border-bottom:1px solid var(--line);scroll-margin-top:40px;transition:background .4s}
.ledger-row:target{background:#ece3cf;box-shadow:-16px 0 0 #ece3cf,16px 0 0 #ece3cf}
.ledger-n{font:500 13px/1.6 ui-monospace,'SF Mono',Menlo,Consolas,monospace;color:var(--accent)}
.ledger-claim p{font-size:16px;line-height:1.45}
.ledger-status{display:inline-flex;align-items:center;gap:7px;margin-top:10px;font-size:11px;letter-spacing:.08em;text-transform:uppercase}
.ledger-status:before{content:'';width:8px;height:8px;border-radius:50%;background:#3f6b4b}
.ledger-private:before{background:transparent;box-shadow:inset 0 0 0 1.5px var(--muted)}.ledger-private{color:var(--muted)}
.ledger-evidence p{font-size:14.5px;color:var(--muted);line-height:1.6}
.ledger-links{display:flex;flex-wrap:wrap;gap:6px 22px;margin-top:10px!important}.ledger-links a{color:var(--ink);font-size:13.5px;border-bottom:1px solid var(--line)}
.ledger-meta{display:flex;flex-direction:column;gap:8px;font-size:12px;color:var(--muted);text-align:right}.ledger-meta a{color:var(--ink)}

/* Reading progress hairline (scroll-linked, CSS only). */
@media(prefers-reduced-motion:no-preference){@supports (animation-timeline:scroll()){
 body:before{content:'';position:fixed;inset:0 0 auto;height:2px;background:var(--accent);transform-origin:0 50%;transform:scaleX(0);z-index:30;pointer-events:none;animation:progress linear both;animation-timeline:scroll(root)}
}}
@keyframes progress{to{transform:scaleX(1)}}

@media(max-width:1100px){.ledger-row{grid-template-columns:48px 1fr 1.4fr;gap:22px}.ledger-meta{grid-column:2/-1;flex-direction:row;justify-content:space-between;text-align:left}.case-details>div{grid-template-columns:1fr}.about h2{font-size:42px}}
@media(max-width:760px){
 body{font-size:16px}
 .hero-bottom p{font-size:16.5px}
 .offer h3{font-size:27px}.offer .offer-fit{font-size:22px}
 .project-copy h3{font-size:34px}.project-lede{font-size:26px}
 .paper-body h3{font-size:23px}
 .about h2{font-size:38px}.about-copy .large-copy{font-size:25px}
 .contexts h3{font-size:22px}
 .ledger{margin-top:32px}.ledger-row{grid-template-columns:36px 1fr;gap:10px 14px}.ledger-evidence,.ledger-meta{grid-column:2}.ledger-meta{flex-direction:row;justify-content:space-between}
 .ledger-row:target{box-shadow:-10px 0 0 #ece3cf,10px 0 0 #ece3cf}
}

/* Print: the page becomes a concise capability statement.
   A printed page is ~700px wide, so phone breakpoints also match; layout is set explicitly here. */
@media print{
 @page{margin:13mm 13mm 14mm}
 :root{--paper:#fff;--ink:#111;--muted:#444;--line:#c4c4c4}
 body{background:#fff;font-size:9.5pt;line-height:1.4}
 body:before,.skip,.site-header nav,.header-descriptor,.hero-system,.hero-actions,.button,.hero-note>a,.project-visual,.experience-band,.approach,.offer .text-link,.offer .offer-start,.tool .text-link,.project-copy .text-link,.about-copy .text-link,.ledger-meta a,.footer-links,.copyright,.section-intro,.paper-practice{display:none!important}
 .receipts .section-intro{display:block!important}
 .wrap{padding-inline:0!important;max-width:none}
 .site-header{height:auto!important;padding-bottom:6pt}.site-header:after{left:0!important;right:0!important}.wordmark{font-size:26pt!important}
 .section{padding-block:9pt!important}.hero{padding:8pt 0 0!important}
 .hero h1{font-size:24pt!important;max-width:none!important;margin-top:6pt!important;letter-spacing:-.03em}.hero h1 br{display:none}
 .hero-bottom{display:block!important;max-width:none!important;margin-top:6pt!important}.hero-bottom p{max-width:none!important;font-size:10pt!important;color:#333}
 .hero-note{display:block!important;margin-top:8pt!important;padding:5pt 0!important;font-size:8pt}
 h2{font-size:14pt!important;letter-spacing:-.02em}h2 br{display:none}h2 em{font-size:1.05em}
 .section-heading{display:flex!important;align-items:baseline;gap:12pt;margin:0 0 6pt!important}.section-heading .eyebrow{min-width:105pt;padding:0!important;font-size:7pt}.section-heading h2{margin:0!important}
 .receipts .section-heading{flex-wrap:wrap}.receipts .section-intro{flex-basis:100%;margin:2pt 0 0!important;font-size:8.5pt;max-width:none}
 .work,.contact{background:#fff!important;color:#111!important}
 .capabilities{display:grid!important;grid-template-columns:repeat(3,1fr)!important;gap:12pt!important;margin-top:4pt!important;border-top:0!important}
 .capability,.capability+.capability{border:0!important;border-top:1px solid var(--line)!important;padding:5pt 0 0!important;break-inside:avoid}
 .offer .index{font-size:8pt}.offer h3{font-size:11.5pt!important;min-height:0!important;margin:2pt 0 3pt!important}.offer .offer-fit{font-size:10pt!important;min-height:0!important;margin-bottom:3pt!important}
 .offer p,.offer li{font-size:8.5pt!important;line-height:1.35}.offer h4{font-size:6.5pt!important;margin:5pt 0 1pt!important}.offer li{padding:1.5pt 0!important}.offer ul{margin:0!important}
 .security-note{margin-top:7pt!important;padding-top:5pt!important;font-size:8.5pt!important;max-width:none}
 .work-heading{margin-bottom:2pt!important}
 .project{display:block!important;padding:6pt 0!important;border-bottom:1px solid var(--line)!important;break-inside:avoid}.project:last-of-type{border-bottom:0!important}
 .project-copy .eyebrow{margin:0 0 2pt!important;font-size:7pt}.project-copy h3{font-size:12pt!important;display:inline;margin-right:8pt}.status{font-size:7.5pt!important;margin:0!important;padding:1pt 6pt}
 .project-lede{font-size:10.5pt!important;margin:3pt 0 2pt!important;max-width:none!important}.project-copy .project-affiliation{font-size:8pt!important}
 .case-details{gap:2pt!important;margin-top:3pt!important;padding-top:3pt!important}.case-details>div{grid-template-columns:88pt 1fr!important;gap:8pt!important}.project-copy .case-details dt{font-size:8pt!important}.project-copy .case-details dd{font-size:8.5pt!important;line-height:1.35}
 .project-copy .limitation{font-size:7.5pt!important;margin-top:3pt}
 .tools{display:block!important;margin-top:4pt!important;padding-top:5pt!important}.tools>.eyebrow{font-size:7pt;margin-bottom:2pt}.tool{display:block!important}.tool h3{display:inline;margin-right:8pt}.tool code{font-size:9.5pt}.tool p{font-size:8.5pt!important;display:inline}.tool .status{margin-left:6pt!important}
 .papers{margin-top:2pt!important}.paper-row{display:grid!important;grid-template-columns:16pt 112pt 1fr!important;gap:8pt!important;padding:4pt 0!important;break-inside:avoid;background:none!important}
 .paper-index{font-size:8pt}.paper-meta{grid-column:auto!important;flex-direction:column!important;gap:0!important;padding:0!important;font-size:7.5pt!important}.paper-body{grid-column:auto!important}
 .paper-body h3{font-size:10pt!important;line-height:1.25}.paper-body p{font-size:8.5pt!important;margin-top:1pt!important;max-width:none}
 .research-note{font-size:7.5pt!important;margin-top:4pt!important;max-width:none}
 .about{display:grid!important;grid-template-columns:105pt 1fr!important;gap:12pt!important;padding-block:9pt!important}.about .eyebrow{font-size:7pt}.about h2{font-size:12pt!important;margin-top:4pt!important}
 .about-copy{max-width:none!important}.about-copy .large-copy{font-size:11pt!important}.about-copy p{font-size:8.5pt!important;margin-bottom:3pt!important}
 .contact{padding:8pt 0!important;border-top:1px solid var(--line)}.contact .eyebrow,.contact-grid p,.contact-caption{color:#444!important}.contact-grid{display:grid!important;grid-template-columns:1fr 1.4fr!important;gap:12pt!important;margin-top:3pt!important;align-items:start!important}.contact h2{font-size:14pt!important}.contact-grid p{font-size:8.5pt!important;max-width:none}.contact-link{font-size:12pt!important;margin-top:4pt!important;border-color:#111!important}.contact-caption{font-size:7.5pt!important;margin-top:2pt!important}
 .ledger{margin-top:4pt!important}.ledger-row{display:grid!important;grid-template-columns:20pt 1fr 1.7fr 54pt!important;gap:8pt!important;padding:4pt 0!important;break-inside:avoid;background:none!important;box-shadow:none!important}
 .ledger-n{font-size:8pt}.ledger-claim p{font-size:8.5pt!important}.ledger-status{font-size:6.5pt!important;margin-top:1pt!important}.ledger-evidence{grid-column:auto!important}.ledger-evidence p{font-size:8pt!important}.ledger-links{margin-top:2pt!important}.ledger-links a{font-size:7.5pt!important}
 .ledger-meta{grid-column:4!important;flex-direction:column!important;font-size:7pt!important;text-align:right!important}
 .ledger-links a:after{content:' ' attr(href);font-size:6.5pt;color:#666;word-break:break-all}
 footer{padding:8pt 0 0!important;display:block!important;border-top:1px solid var(--line)}footer .wordmark{display:none}footer p{font-size:7.5pt!important;margin:0!important}
 .reveal{animation:none!important;opacity:1!important;transform:none!important}
 .cite{display:inline!important;vertical-align:super;border:0!important;padding:0!important;min-width:0!important;height:auto!important;margin-left:1px!important;font-size:6.5pt!important;color:#111!important;background:none!important}
 a{color:inherit!important}
}
/* Instrument Serif has a smaller x-height than Inter Tight; balance the italic voice in headlines. */
h1 em,h2 em{font-size:1.07em;line-height:.9}
.notfound{min-height:80vh;display:flex;flex-direction:column;justify-content:center;gap:22px}.notfound h1{font-size:clamp(48px,7vw,96px);letter-spacing:-.045em;line-height:1}.notfound .eyebrow{margin-top:40px}.notfound .section-intro{max-width:460px}
.notfound .text-link{align-self:start}

/* Business information & privacy page. */
.legal{padding-top:72px;padding-bottom:100px;display:grid;grid-template-columns:1fr 2fr;gap:24px 64px}
.legal-intro{grid-column:1/-1;max-width:900px;margin-bottom:28px}.legal-intro h1{font-size:clamp(46px,6vw,84px);letter-spacing:-.045em;line-height:1;margin:22px 0 22px}
.legal-block{display:contents}.legal-block>h2{grid-column:1;font-size:30px;letter-spacing:-.03em;padding-top:28px;border-top:1px solid var(--ink)}
.legal-block>:not(h2){grid-column:2}.legal-block>:nth-child(2){padding-top:28px;border-top:1px solid var(--line)}
.legal p{font-size:16.5px;line-height:1.7;max-width:700px;color:var(--muted)}.legal p a,.facts a{color:var(--ink);border-bottom:1px solid var(--line)}
.legal h3{font-size:15px;letter-spacing:0;font-weight:600;margin-top:10px}
.facts{margin:0 0 6px;display:grid}.facts>div{display:grid;grid-template-columns:170px 1fr;gap:20px;padding:12px 0;border-bottom:1px solid var(--line)}.facts>div:first-child{padding-top:0}
.facts dt{font-size:12px;letter-spacing:.1em;text-transform:uppercase;font-weight:600;padding-top:3px}.facts dd{margin:0;font-size:16.5px}
.legal-updated{font-size:13px!important;margin-top:10px}
.about-links{display:flex;flex-wrap:wrap;gap:0 28px}
@media(max-width:760px){.legal{display:block;padding-top:40px}.legal-block>h2{margin-top:44px;font-size:26px}.legal-block>:nth-child(2){border-top:0;padding-top:14px}.legal p{margin-top:12px}.facts>div{grid-template-columns:1fr;gap:2px}}
@media print{.legal{display:block;padding:0!important}.legal-block>h2{font-size:13pt!important;margin-top:10pt}.legal p,.facts dd{font-size:9.5pt!important}}