:root{--ink:#183631;--muted:#65736e;--paper:#f6f5ef;--line:#dce2d9;--accent:#247465;--soft:#e9eee6}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline;text-underline-offset:5px}button,input,select,textarea{font:inherit}button,a,input,select,textarea{outline-offset:5px}header.top{max-width:1440px;margin:auto;padding:26px 5%;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}.brand{font-size:35px;letter-spacing:-2px;font-weight:650;line-height:1}.brand span{font-weight:350}.brand small{display:block;letter-spacing:2px;font-size:9px;margin-top:11px}nav{display:flex;align-items:center;gap:24px;font-size:14px}nav form{margin:0}.text{border:0;background:none;color:var(--ink);padding:0;cursor:pointer}main{max-width:1280px;margin:auto;padding:0 4% 70px}h1,h2,h3,p{margin-top:0}h1{font-family:Georgia,serif;font-weight:400;font-size:clamp(40px,5.8vw,78px);line-height:1.06;letter-spacing:-2.4px;margin-bottom:24px}h2{font-size:24px;line-height:1.3;letter-spacing:-.6px}h3{font-size:19px;line-height:1.4;margin-bottom:8px}p{color:var(--muted)}.hero{display:grid;grid-template-columns:1.1fr 1fr;gap:8%;padding:70px 0 60px;align-items:center}.eyebrow{font-size:10px;letter-spacing:2px;font-weight:650;color:var(--accent);margin-bottom:24px}.hero h1{font-size:clamp(46px,6.8vw,90px)}h1 em{font-weight:400;color:var(--accent)}.lead{max-width:480px;font-size:18px}.actions{display:flex;gap:25px;align-items:center;flex-wrap:wrap;margin-top:30px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:28px;background:var(--ink);color:white;border:1px solid var(--ink);padding:14px 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ul{padding-left:20px;font-size:13px;color:var(--muted)}.errorlist{color:#9e322e}.notice{background:#e7edde;border:1px solid #c6d3bf;padding:14px 20px;margin:24px 0;border-radius:4px;color:var(--ink)}.page-head{padding:55px 0 35px}.page-head h1{font-size:clamp(38px,5vw,60px)}.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.card{background:#fff;border:1px solid var(--line);border-radius:7px;padding:28px;margin-bottom:24px}.card>p{font-size:14px}.lesson-list{list-style:none;padding:0}.lesson-list li{border-top:1px solid var(--line);padding:13px 0;font-size:14px}.lesson-list a{display:flex;justify-content:space-between;gap:20px}progress{width:100%;height:6px;accent-color:var(--accent);border:0}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:40px}.metrics>div{border-top:1px solid var(--line);padding-top:20px}.metrics strong{display:block;font-family:Georgia,serif;font-size:40px;font-weight:400}.metrics span{font-size:13px;color:var(--muted)}.owner-grid{display:grid;grid-template-columns:360px 1fr;gap:44px}.section-head{display:flex;justify-content:space-between;align-items:baseline;gap:20px;flex-wrap:wrap}.section-head a{font-size:12px;color:var(--accent)}.module-row{display:flex;gap:24px;border-top:1px solid var(--line);padding:22px 0}.number{font-size:13px;color:var(--accent)}.module-row p{font-size:12px;margin-bottom:8px}.lesson-chip{display:block;font-size:13px;padding:5px 0}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:13px;text-align:left}td,th{padding:13px 10px;border-top:1px solid var(--line)}.reader{max-width:780px;margin:50px auto}.reader>.eyebrow{margin-top:30px}.reader h1{font-size:52px}.objective{background:var(--soft);padding:20px 24px;border-left:2px solid var(--accent);margin:30px 0}.objective p{margin-bottom:0}.lesson-body p{color:var(--ink);font-size:17px;line-height:1.9}.references{border-top:1px solid var(--line);margin-top:35px;padding-top:25px;font-size:13px;overflow-wrap:anywhere}.references h2{font-size:18px}footer{border-top:1px solid var(--line);padding:25px 5%;display:flex;justify-content:space-between;font-size:12px;color:var(--muted)}@media(max-width:850px){.hero{gap:5%;padding-top:45px}.owner-grid{grid-template-columns:1fr}.cards{grid-template-columns:1fr}.portrait-note{left:12px;right:12px;bottom:15px;padding:10px}}@media(max-width:600px){header.top{padding:22px 6%}nav{gap:14px;font-size:12px}.brand{font-size:30px}.hero{grid-template-columns:1fr;gap:35px}.portrait{max-width:360px;width:100%;margin:auto;aspect-ratio:5/4;border-radius:45% 45% 5px 5px}.portrait svg{height:110%;width:65%;margin-top:-15%}.portrait-note{left:18px;right:auto}.pillars{grid-template-columns:1fr;gap:10px}.metrics{gap:10px}.metrics strong{font-size:32px}.metrics span{font-size:11px}.auth{margin:45px 8px}.auth h1{font-size:50px}.reader h1{font-size:40px}.card{padding:22px}footer{display:block}footer span{display:block;margin-bottom:6px}main{padding:0 6% 50px}}
/* Course navigation, owner editors and community */
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