.library-home{padding-top:35px;padding-bottom:65px}.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:35px}.guide-card{display:flex;flex-direction:column;padding:25px;border:1px solid var(--line);border-radius:7px;text-decoration:none;background:#fffdf8;transition:transform .15s,box-shadow .15s}.guide-card:hover{transform:translateY(-3px);box-shadow:0 10px 20px #2530200a}.guide-card .eyebrow{font-size:9px;color:#75815b;letter-spacing:1px;margin:0}.guide-card h3{font-size:22px;margin:20px 0 12px;line-height:1.2}.guide-card p{font-size:13px;color:var(--muted);margin:0 0 25px}.read-more{font-size:12px;font-weight:700;margin-top:auto;color:#a74b08}.article-heading{padding-top:45px;padding-bottom:40px}.breadcrumb{display:block;font-size:12px;margin-bottom:35px}.article-heading h1{font-size:60px;line-height:1.08;max-width:920px;letter-spacing:-2.5px}.article-heading .intro{max-width:720px;font-size:20px}.article-layout{display:grid;grid-template-columns:240px minmax(0,760px);gap:70px;border-top:1px solid var(--line);padding-top:35px}.article-layout aside{align-self:start;position:sticky;top:25px}.article-layout aside a{display:block;font-size:12px;margin-bottom:15px;text-decoration:none}.article-layout aside a:hover{text-decoration:underline}.tool-link{border-top:1px solid var(--line);padding-top:20px;color:#a74b08}.prose{font-family:Georgia,'Times New Roman',serif;font-size:19px;line-height:1.8;min-width:0}.prose section{margin-bottom:45px;scroll-margin-top:30px}.prose h2{font-family:Arial,Helvetica,sans-serif;font-size:29px;font-weight:500;letter-spacing:-.8px;margin:0 0 20px}.prose p{margin:0 0 20px}.prose a{color:#9a4809;overflow-wrap:anywhere}.prose li{padding-left:5px;margin:10px 0}.prose ul,.prose ol{padding-left:25px}.article-sources{border-top:1px solid var(--line);padding-top:30px;font-family:Arial,Helvetica,sans-serif;font-size:13px}.article-sources h2{font-size:23px}.single{max-width:780px;margin:0 auto 65px;padding:0 25px}.single h2{margin-top:35px}.history-note{font:14px/1.6 Arial,sans-serif;border-left:3px solid var(--orange);background:#efeee5;padding:20px;margin-bottom:30px}.tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}.tool-panel{background:white;border:1px solid var(--line);padding:28px;border-radius:8px}.tool-panel h2{font-size:26px}.tool-panel p{font-size:13px;color:var(--muted)}.tool-panel label{margin-top:18px}.tool-panel input{padding:12px;border:1px solid #bac1b1;border-radius:4px;width:100%;min-width:0}.tool-output{padding:20px;background:#eef1e7;margin-top:25px;font-size:17px;line-height:1.7;overflow-wrap:anywhere}.tool-panel .tiny{font-size:11px}.mobile-nav{display:none}@media(max-width:850px){.guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.article-layout{grid-template-columns:190px minmax(0,1fr);gap:30px}.article-heading h1{font-size:48px}.prose{font-size:18px}}@media(max-width:600px){.guide-grid{grid-template-columns:1fr;gap:15px}.guide-card{padding:22px}.guide-card h3{font-size:23px}.article-heading{padding-top:30px;padding-bottom:28px}.article-heading h1{font-size:39px;letter-spacing:-1.5px;overflow-wrap:anywhere}.article-heading .intro{font-size:17px}.article-layout{display:block;padding-top:25px}.article-layout aside{position:static;padding-bottom:20px;border-bottom:1px solid var(--line);margin-bottom:30px}.article-layout aside a{font-size:13px;margin-bottom:10px}.article-layout aside .eyebrow{margin-bottom:15px}.prose{font-size:18px;line-height:1.75}.prose h2{font-size:27px}.prose section{margin-bottom:35px}.tool-grid{grid-template-columns:1fr}.tool-panel{padding:22px}.library-home{padding-top:20px}.section-head>a{display:inline-block;margin-top:18px}.guide-card:hover{transform:none}header nav a.nav-cta{display:block}header .brand{font-size:16px}.single{padding:0 22px}.article-heading .breadcrumb{margin-bottom:24px}}
@media(max-width:600px){header{flex-wrap:wrap;gap:18px}header nav{width:100%;display:flex;justify-content:space-between;gap:8px}header nav a:not(.nav-cta){display:block;font-size:11px}.section>h1{font-size:43px;letter-spacing:-2px}.section>h1 br{display:none}.section>h1 br:after{content:' '}}
@media(max-width:600px){.section>h1 br{display:initial}}

.article-figure{margin:0 auto 42px}.article-figure img{display:block;width:100%;height:auto;border-radius:12px}.article-figure figcaption{font-size:13px;color:var(--muted);margin-top:12px}.prose .math-note{font:15px/1.7 Arial,sans-serif;padding:20px;border-left:3px solid var(--orange);background:var(--paper);overflow-wrap:anywhere}