:root{--ink:#0b3f77;--gold:#d5b239;--muted:#5d6673;--line:#d6dde6;--soft:#f0f4f8}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font:18px/1.6 'Source Sans 3',Arial,sans-serif}a{color:inherit;text-underline-offset:4px}a:focus-visible,summary:focus-visible{outline:3px solid var(--gold);outline-offset:5px}img{max-width:100%}.wrap{max-width:1184px;padding-left:32px;padding-right:32px;margin:auto}.site-header{max-width:1184px;margin:auto;padding:25px 32px;display:flex;gap:30px;align-items:center;justify-content:space-between}.parent-brand{flex:0 0 190px}.parent-brand img{display:block;height:auto;width:190px}.site-header nav{display:flex;gap:22px;align-items:center;flex-wrap:wrap}.site-header nav a{font-size:16px;color:var(--muted);text-decoration:none}.site-header nav [aria-current]{color:var(--ink);box-shadow:0 3px var(--gold);padding-bottom:6px}.review-note{background:var(--soft);border-top:1px solid var(--line);padding:8px 20px;text-align:center;color:var(--muted);font-size:13px}.intro{padding-top:72px;padding-bottom:82px}.eyebrow{font-size:13px;font-weight:600;letter-spacing:.12em;margin:0 0 19px}.intro h1{font-size:clamp(43px,5.5vw,72px);line-height:1.04;letter-spacing:-.04em;font-weight:500;margin:0 0 26px;max-width:1000px}.lead{font-size:24px;color:var(--muted);max-width:800px;line-height:1.5}.tp-identity{display:flex;gap:13px;align-items:center;margin:34px 0 20px}.tp-identity img{flex:none}.tp-identity small{display:block;font-size:13px;line-height:1.1}.tp-identity strong{display:block;font-size:25px;font-weight:500;line-height:1.15}.intro-copy{max-width:750px;color:var(--muted);font-size:20px;margin-bottom:32px}.primary{display:inline-flex;align-items:center;gap:28px;background:var(--ink);border:1px solid var(--ink);color:#fff;text-decoration:none;padding:13px 22px;font-weight:600}.text-link{display:inline-block;font-weight:600}.intro>.text-link{margin-left:25px}.path-section{padding:64px 0 70px;background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}h2{font-size:42px;line-height:1.12;letter-spacing:-.03em;font-weight:500;margin:0 0 25px}.section-heading>p:last-child{max-width:670px;color:var(--muted)}.learning-path{padding:0;list-style:none;margin:44px 0 0}.learning-path li{display:grid;grid-template-columns:76px 1fr 150px;gap:25px;border-top:1px solid var(--line);padding:33px 0}.step-number{font-size:45px;line-height:1.2;color:var(--ink);font-weight:400}.meta{font-size:12px;letter-spacing:.08em;font-weight:600;margin:0 0 8px}h3{font-size:30px;line-height:1.17;font-weight:500;letter-spacing:-.02em;margin:0 0 15px}h3 a{text-decoration:none}.learning-path p:not(.meta){color:var(--muted);max-width:720px;margin:0 0 18px}.available{font-size:13px;color:var(--muted);padding-top:5px}.principles{display:grid;grid-template-columns:1fr 1fr;gap:70px;padding-top:74px;padding-bottom:65px}.principles>p{color:var(--muted);font-size:21px}.review-sources{padding-bottom:65px}details{border-top:1px solid var(--line);padding-top:20px;color:var(--muted);font-size:16px}summary{cursor:pointer;color:var(--ink);font-weight:600}.course-footer{padding:28px 32px;background:var(--soft);display:flex;justify-content:space-between;gap:25px;flex-wrap:wrap;font-size:14px;color:var(--muted)}.lesson-path{padding:25px 0;border-bottom:1px solid var(--line);font-size:15px;display:flex;gap:30px;justify-content:space-between;align-items:center}.lesson-path>div{display:flex;gap:17px}.lesson-path a{text-decoration:none}.lesson-path [aria-current]{font-weight:600;color:var(--ink);border-bottom:2px solid var(--gold)}.lesson-intro{padding:35px 0 45px}.lesson-intro .tp-identity{margin:0 0 29px}.lesson-intro h1{font-size:clamp(37px,4vw,54px);line-height:1.08;letter-spacing:-.03em;font-weight:500;max-width:950px}.lesson-intro .lead{font-size:22px}.lesson-intro>.text-link{font-size:15px}.lesson-document{max-width:1280px;margin:0 auto;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.lesson-document iframe{width:100%;display:block;height:1150px;border:0;background:#fff}.lesson-next{padding-top:35px;padding-bottom:22px;display:flex;align-items:center;justify-content:space-between;gap:25px}.end-note{font-size:15px;color:var(--muted);padding-bottom:45px}@media(max-width:900px){.site-header{align-items:flex-start;flex-direction:column;gap:22px}.parent-brand{flex-basis:auto}.site-header nav{gap:19px}.lesson-path{align-items:flex-start;flex-direction:column;gap:15px}.lesson-path>div{flex-wrap:wrap}.learning-path li{grid-template-columns:55px 1fr}.available{grid-column:2}.principles{gap:30px}.course-footer{flex-direction:column;gap:10px}}@media(max-width:600px){.wrap{padding-left:22px;padding-right:22px}.site-header{padding:22px}.site-header nav{gap:16px}.site-header nav a{font-size:15px}.intro{padding-top:45px;padding-bottom:50px}.intro h1{font-size:43px}.lead{font-size:21px}.intro>.text-link{display:block;margin:20px 0 0}.tp-identity strong{font-size:23px}.path-section{padding:45px 0}h2{font-size:34px}h3{font-size:27px}.learning-path li{gap:15px;grid-template-columns:40px 1fr}.step-number{font-size:34px}.principles{grid-template-columns:1fr;padding-top:47px;padding-bottom:35px;gap:0}.lesson-path span:not([aria-hidden]){display:none}.lesson-next{align-items:flex-start;flex-direction:column}.course-footer{padding:25px 22px}.lesson-intro h1{font-size:38px}}