:root{color-scheme:light;--ink:#172839;--muted:#516070;--navy:#10253d;--line:#dbe2e8;--red:#a52f42;--paper:#fff;--bg:#f5f7f8}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,'Segoe UI',sans-serif;line-height:1.76}a{color:#265278;text-underline-offset:3px}a:hover{color:#9c3040}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #a52f42;outline-offset:3px}.skip-link{position:absolute;top:-90px;left:20px;background:#fff;color:#10253d;padding:9px 14px;z-index:50}.skip-link:focus{top:10px}.site-head{background:var(--navy);color:#fff}.site-head nav{max-width:1320px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:19px 24px}.site-head a{color:#fff;text-decoration:none}.brand{font-size:22px;letter-spacing:.045em;font-weight:800}.brand span{color:#e1a0a8}.brand small{display:block;font-weight:500;letter-spacing:.12em;text-transform:uppercase;font-size:10px;opacity:.75}.navlinks{display:flex;gap:23px;flex-wrap:wrap;font-size:13px;font-weight:620}.safetybar{font-size:13px;border-bottom:1px solid var(--line);background:#ebf0f3;padding:12px 25px;text-align:center}.layout{max-width:1320px;margin:0 auto;padding:42px 24px 75px;display:grid;grid-template-columns:minmax(0,880px) 280px;gap:40px;align-items:start}.article{min-width:0}.hero{padding:45px 0 20px;border-bottom:1px solid var(--line);margin-bottom:22px}.kicker{text-transform:uppercase;letter-spacing:.14em;font-size:11px;font-weight:800;color:#91404b}.hero h1{font-size:clamp(33px,4vw,52px);line-height:1.13;letter-spacing:-.035em;max-width:840px;margin:13px 0 20px}.lead{font-size:18px;color:#3c4d5b;line-height:1.68;max-width:850px}.meta{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0;color:#415365;font-size:12px}.meta span{padding:7px 11px;border:1px solid #d7e0e7;border-radius:8px;background:#fff}.hero-actions{display:flex;gap:11px;flex-wrap:wrap;margin:20px 0}.button{display:inline-block;cursor:pointer;background:var(--navy);color:#fff;text-decoration:none;font-family:inherit;font-size:13px;font-weight:680;border:1px solid var(--navy);padding:11px 17px;border-radius:6px;line-height:1.6}.button:hover{background:#24415a;color:#fff}.button.secondary{background:#fff;color:var(--navy);border-color:#c5ced6}.button.secondary:hover{background:#eef2f5}.panel{background:#fff;border:1px solid var(--line);border-radius:10px;padding:30px 35px;margin:22px 0}.panel h2{font-size:25px;letter-spacing:-.018em;line-height:1.33;margin:8px 0 19px}.panel h3{font-size:17px;margin-top:22px;line-height:1.4}.panel p{font-size:15px;color:#344556;margin:13px 0}.panel ul,.panel ol{padding-left:22px}.panel li{margin-bottom:9px;font-size:14px}.chapter{scroll-margin-top:22px}.chapter h2{font-size:24px}.chapter h3{font-size:15px;margin-top:23px}table{width:100%;border-collapse:collapse;font-size:14px}th,td{padding:12px;text-align:left;border-bottom:1px solid var(--line)}th{background:#f1f4f6}.toc{background:#f8fafb}.toc ol{columns:2}.toc li{break-inside:avoid}.note{background:#f3f0ec;border-left:3px solid #936053;padding:15px 20px;font-size:13px;line-height:1.7;margin:18px 0;color:#4d4340}.note.soft{background:#f2f5f7;border-left-color:#889cae}.case{border-left:3px solid #9d5260}.case details{margin:22px 0 0;background:#f2f5f7;padding:15px;border-radius:6px}.case summary{font-weight:750;cursor:pointer}.section-title{margin:48px 0 20px;font-size:28px;letter-spacing:-.02em}.micro{font-size:12px!important;color:#6a7682!important}.quizq{border:1px solid var(--line);border-radius:7px;margin:18px 0;padding:17px 20px}.quizq legend{font-size:14px;padding:0 6px;max-width:100%}.quizq label,.checklist label{display:flex;gap:13px;align-items:flex-start;margin:8px 0;font-size:14px;cursor:pointer}.quizq label{padding:8px;border-radius:4px}.quizq label:hover{background:#f3f6f8}.quizq input,.checklist input{margin-top:5px;accent-color:#a13649;flex-shrink:0}.score{margin:16px 0;font-weight:600;white-space:pre-line}.score:empty{display:none}.checklist{display:grid;grid-template-columns:1fr 1fr;gap:3px 20px}.sources{list-style:decimal}.sources li{margin:15px 0!important}.source-note{display:block;font-size:12px;color:#667789}.endnav{display:flex;flex-wrap:wrap;justify-content:space-between;gap:15px;margin:36px 0}.rail{position:sticky;top:18px}.rail-panel{border:1px solid var(--line);border-radius:9px;background:#fff;padding:19px 20px;margin-bottom:15px}.rail-panel ol{padding-left:18px;font-size:12px}.rail-panel li{margin:0 0 8px}.rail-panel a{text-decoration:none}.rail-panel p{font-size:13px}.muted-rail{background:#eff3f5}footer{background:var(--navy);color:#dbe5ed;padding:33px 20px;text-align:center;font-size:13px}footer a{color:#fff}.library-intro{max-width:860px}.course-grid{display:grid;grid-template-columns:1fr 1fr;gap:17px}.course-tile{background:#fff;border:1px solid var(--line);padding:26px;border-radius:9px}.course-tile h2{font-size:20px;margin:7px 0 12px}.course-tile p{font-size:14px;color:#516070}.program-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.program-list article{padding:20px;background:#fff;border:1px solid var(--line);border-radius:9px}.program-list h3{font-size:16px;margin:0 0 8px}.program-list p{font-size:13px;color:#526376}.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:1000px){.layout{display:block;max-width:900px}.rail{position:static}.rail-panel{display:none}}@media(max-width:700px){.site-head nav{padding:16px}.navlinks{gap:11px;font-size:12px}.layout{padding:22px 14px 50px}.hero{padding-top:28px}.hero h1{font-size:35px}.lead{font-size:16px}.panel{padding:22px 18px}.panel h2{font-size:22px}.toc ol{columns:1}.checklist,.course-grid,.program-list{grid-template-columns:1fr}.meta{gap:6px}.hero-actions .button{width:100%;text-align:center}}@media print{html,body{background:#fff;color:#000!important;font-size:11pt}.site-head,.safetybar,.rail,.hero-actions,.endnav,footer,.skip-link,button,#quiz-form button{display:none!important}.layout{display:block;padding:0;margin:0;max-width:100%}.hero{padding:0}.hero h1{font-size:26pt}.panel,.note,.case{border:0;border-bottom:1px solid #bbb;border-radius:0;padding:8px 0;break-inside:auto;margin:12px 0}.chapter{break-inside:auto}.panel p,.panel li{break-inside:avoid}.panel h2{font-size:17pt}.panel p{font-size:11pt!important}.panel ul li{font-size:10pt}.toc{display:none}.quizq{break-inside:avoid}.quizq label input{display:none}.source-note{font-size:8pt}a{color:#111;overflow-wrap:anywhere}.meta{display:block}h2,h3{break-after:avoid}details{display:block!important}details>*{display:block!important}.section-title{font-size:17pt}}