@import url('components.css');
@font-face{font-family:'Public Sans';src:url('publicsans.ttf') format('truetype');font-weight:100 900;font-display:swap}
@font-face{font-family:'Lora';src:url('lora.ttf') format('truetype');font-weight:400 700;font-display:swap}
:root{--ink:#173447;--text:#283943;--paper:#faf8f2;--sage:#eef3f5;--line:#d3dadc;--clay:#9b4c2c;--muted:#52616a}
body{font-family:'Public Sans',Arial,sans-serif;font-size:17px;line-height:1.7;background:var(--paper)}
h1,h2,h3{font-family:'Lora',Georgia,serif;font-weight:500;letter-spacing:-.025em}h1{font-size:38px}h2{font-size:28px}h3{font-size:22px}strong{font-weight:700}.wrap{max-width:1220px}.lead{font-size:19px;line-height:1.6}.eyebrow{font-size:11px;letter-spacing:.09em;font-weight:700}.fine{font-size:14px}
.site-header{background:#fff;border-top:0;border-bottom:1px solid var(--line)}.header-inner{min-height:87px;gap:28px}.brand img{width:275px;height:44px;object-fit:contain}#main-nav{gap:20px}#main-nav a{font-size:15px;font-weight:600}.site-search{max-width:430px}.site-search input{background:#fff;border-color:#71818b;border-radius:2px 0 0 2px}.site-search button{border-radius:0 2px 2px 0}button,.button{background:var(--ink);border-color:var(--ink);border-radius:2px;font-weight:600;padding:10px 18px}button:hover,.button:hover{background:#254e64}.menu-toggle{display:none}.button.secondary{background:transparent;color:var(--ink)}
.pr-opening{display:grid;grid-template-columns:1.25fr 1fr;gap:70px;padding-top:38px;padding-bottom:28px}.pr-opening h1{font-size:40px;line-height:1.2;max-width:660px;margin-bottom:18px}.pr-opening .lead{margin-bottom:0}.pr-scope{align-self:center;border-left:2px solid var(--clay);padding-left:24px}.pr-scope p{font-size:15px}.pr-scope a{font-size:15px;font-weight:600}.pr-category-strip{display:flex;flex-wrap:wrap;border-block:1px solid var(--line);gap:0;margin-bottom:30px;padding-block:8px}.pr-category-strip a{display:flex;gap:10px;align-items:center;padding:10px 18px;text-decoration:none;font-size:15px;font-weight:600}.pr-category-strip a:hover{background:#e8eef0}.pr-category-strip img{width:23px;height:23px}.pr-published{padding-top:0;padding-bottom:36px}.section-heading h2{margin:0}.section-heading{margin-bottom:22px}.pr-feature{display:grid;grid-template-columns:1fr 1.25fr;gap:32px;background:#fff;border:1px solid var(--line);padding:28px}.pr-feature img{width:100%;max-height:320px;object-fit:contain}.pr-feature .lead{font-size:17px}.pr-feature h2{font-size:29px}.pr-availability{border:1px solid var(--line);padding:24px 28px;background:#fff;display:flex;justify-content:space-between;gap:30px;align-items:center}.pr-availability p{margin:6px 0 0;font-size:16px}.pr-availability strong{font-size:19px}.pr-availability a{white-space:nowrap}.pr-tasks{padding-block:34px;background:#fff;border-block:1px solid var(--line)}.pr-task-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px}.pr-task{border-top:3px solid var(--clay);padding-top:20px}.pr-task h3{font-size:24px}.pr-task p{font-size:16px}.pr-task a{font-size:15px;font-weight:600}.pr-method{display:grid;grid-template-columns:1fr 1.45fr;gap:65px;padding-block:40px}.pr-method ol{list-style:none;padding:0;margin:0;counter-reset:steps}.pr-method li{counter-increment:steps;position:relative;padding:0 0 22px 42px;border-bottom:1px solid var(--line);margin-bottom:20px}.pr-method li:before{content:'0' counter(steps);position:absolute;left:0;top:0;color:var(--clay);font-weight:700;font-size:14px}.pr-method li:last-child{border:0;margin:0;padding-bottom:0}.pr-method li p{margin:3px 0 0;font-size:15px}.pr-method>div p{font-size:16px}.pr-safety{padding:18px 0;background:var(--sage);border-top:1px solid var(--line)}.pr-safety p{margin:0;font-size:14px}
.wrap.archive{padding-top:30px;padding-bottom:45px}.category-nav{margin:22px 0;gap:9px}.category-nav a{border-radius:2px;background:#fff;font-size:14px}.category-nav a[aria-current=page]{background:var(--ink);color:white}.category-nav a[aria-current=page] img{filter:brightness(0) invert(1)}.category-guide{margin-top:32px;padding-top:26px;border-top:1px solid var(--line)}.category-grid{gap:20px}.category-card{border-radius:0;box-shadow:none;background:white;border:1px solid var(--line)}.category-card h2{font-size:25px}.resource-card{background:#fff;border:1px solid var(--line);border-radius:0;box-shadow:none}.resource-card h2{font-size:24px}.resource-card-copy{padding:22px}.empty-state{background:white;border:1px solid var(--line);padding:25px}.empty-state p{font-size:16px}.empty-state strong{font-size:19px}.result-count{font-size:14px}
.resource-hero{border:0;border-bottom:1px solid var(--line);background:transparent;padding:22px 0 32px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:38px;border-radius:0}.resource-hero h1{font-size:35px}.workbook-preview{background:#fff;border:1px solid var(--line);padding:12px;border-radius:0}.article-layout{padding-top:32px}.download-rail{background:white;border:1px solid var(--line);border-top:3px solid var(--clay);border-radius:0;position:sticky;top:24px}.prose{line-height:1.8}.prose h2{font-size:28px;margin-top:34px}.prose h3{font-size:22px}.article-nav{background:#edf2f4;border:1px solid var(--line);border-radius:0}.article-byline{border-top:1px solid var(--line);margin-top:18px;padding-top:15px}.byline-profile img{border-radius:6px}.byline-role{font-size:11px}.byline-date{font-size:13px}.author-card{background:white;border:1px solid var(--line);border-radius:0}.author-card .author-portrait{border-radius:6px}.author-name{font-size:18px}.author-copy p{font-size:15px}.author-copy .eyebrow{font-size:11px}.profile-portrait{border-radius:6px}.institution-header{border:0;border-bottom:2px solid var(--clay);padding:0 0 24px;margin-bottom:30px}.institution-header h1{font-size:37px}.institution-header .lead{display:block}.institution-nav{font-size:14px}.institution{padding-top:28px;padding-bottom:40px}.contact-form input,.contact-form textarea{background:#fff;border-radius:2px}.notice{border:1px solid var(--clay);background:#fff;padding:16px}
.site-footer{background:white;border-top:1px solid var(--line);padding-top:30px;padding-bottom:24px}.footer-top{gap:55px}.footer-top p{font-size:14px}.footer-top .brand{margin-bottom:13px}.footer-help{max-width:450px}.footer-help strong{font-size:16px}.footer-help p{margin-top:9px;margin-bottom:8px}.footer-bottom{padding-top:20px;margin-top:24px;border-top:1px solid var(--line)}.footer-bottom p,.footer-bottom a{font-size:12px}
.prose .formula-block{max-width:100%;margin:1.4rem 0;border:1px solid var(--line);border-radius:2px;overflow:hidden;background:#fff}.formula-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 14px;background:var(--sage);font-size:13px}.prose .formula-copy{min-height:40px;padding:7px 12px;margin:0;background:white;color:var(--ink);font-size:13px}.formula-copy[hidden]{display:none}.prose .formula-block pre{box-sizing:border-box;max-width:100%;overflow-x:auto;margin:0;padding:18px 16px;background:transparent;color:var(--ink);white-space:pre;font-size:14px;line-height:1.65}.prose .formula-block code{padding:0;border:0;background:transparent;color:inherit;font:inherit;font-family:ui-monospace,Consolas,monospace;white-space:pre;overflow-wrap:normal;word-break:normal}.formula-status{display:block;font-size:13px;padding:0 14px}.formula-status:not(:empty){padding-bottom:12px}
body.archive{padding:0}
.mobile-workbook-download[hidden]{display:none!important}
@media(max-width:760px){.wrap.archive h1{font-size:30px}.wrap.archive>.lead{font-size:17px}}
@media(min-width:761px){.profile-header{display:grid;grid-template-columns:160px minmax(0,1fr);column-gap:28px}.profile-header .profile-portrait{grid-column:1;grid-row:1/4;margin:0}.profile-header .eyebrow,.profile-header h1,.profile-header .lead{grid-column:2}}
@media(max-width:1000px){.header-inner{gap:20px}.pr-opening{gap:35px}.pr-category-strip a{padding:10px}.pr-method{gap:35px}}
@media(max-width:760px){body{font-size:16px}.wrap{padding-inline:20px}.header-inner{display:grid;grid-template-columns:minmax(0,1fr) auto;padding-top:14px;padding-bottom:14px;gap:14px}.brand img{width:244px;height:39px}.menu-toggle{display:block;padding:6px 9px;font-size:14px}.site-search{max-width:none;width:100%}.site-search input,.site-search button{font-size:16px;padding:9px 11px}.pr-opening{display:block;padding-top:25px;padding-bottom:22px}.pr-opening h1{font-size:31px}.pr-opening .lead{font-size:17px}.pr-scope{margin-top:22px;padding-left:17px}.pr-scope p{margin-bottom:8px}.pr-category-strip{display:grid;grid-template-columns:1fr 1fr;padding-block:8px;margin-bottom:24px}.pr-category-strip a{font-size:14px;padding:9px 6px}.pr-feature,.pr-availability{display:block;padding:20px}.pr-feature>div{margin-bottom:20px}.pr-availability a{display:inline-block;margin-top:15px;white-space:normal}.pr-task-grid{display:block}.pr-task{margin-top:26px}.pr-task:first-child{margin-top:0}.pr-task h3{font-size:23px}.pr-method{display:block;padding-block:30px}.pr-method ol{margin-top:25px}.pr-published{padding-bottom:26px}.pr-tasks{padding-block:28px}.resource-hero{display:block;padding:18px 0 24px}.resource-hero h1{font-size:28px}.workbook-preview{margin-top:23px}.resource-hero .lead{font-size:17px}.article-byline{grid-template-columns:1fr}.institution-header h1{font-size:30px}.institution-header .lead{font-size:17px}.prose h2{font-size:25px}.category-nav{gap:7px}.category-nav a{font-size:13px;padding:6px 8px}.category-nav img{width:17px;height:17px}.section-heading{display:block}.section-heading h2{font-size:26px}.footer-top .brand img{width:244px;height:39px}.footer-help{margin-top:22px}.author-card{padding:19px}.prose .formula-block pre{font-size:13px}}
@media(max-width:370px){.brand img{width:218px;height:35px}.header-inner{gap:12px}.menu-toggle{padding:6px}.pr-opening h1{font-size:29px}}