@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--green:var(--studio-green);--ink:#203c36;--muted:#75827b;--paper:#f5f6f1;--line:#e0e6de;--lime:#e2edb9}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px 'DM Sans',Arial,sans-serif}button,input,select,textarea{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}aside{position:fixed;inset:0 auto 0 0;width:245px;background:#fff;border-right:1px solid var(--line);padding:34px 22px;display:flex;flex-direction:column}.brand{display:flex;gap:12px;align-items:center;text-decoration:none;color:var(--green);font-weight:800;letter-spacing:2px;font-size:17px}.logo{display:grid;place-items:center;background:var(--green);color:var(--lime);border-radius:12px;width:42px;height:46px;font-size:26px}.subbrand{display:block;font-size:8px;letter-spacing:1.5px;margin-top:5px}.navlabel{font-size:10px;letter-spacing:1.7px;color:#9aa49c;margin:48px 12px 16px}nav button{display:block;width:100%;text-align:left;background:none;border:0;padding:15px;border-radius:9px;margin-bottom:6px;color:#67756c}nav button.active{background:#eaf0e6;color:var(--green);font-weight:700}.sidebottom{margin-top:auto;padding:18px 10px 0;color:#89958d;font-size:12px;line-height:1.8}.private{font-size:9px;letter-spacing:1px;color:var(--green)}main{margin-left:245px;padding:0 42px;max-width:1600px}header{height:88px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);font-size:10px;font-weight:700;letter-spacing:1.7px;color:#819083}.avatar{width:36px;height:36px;background:#e7ebdf;border:1px solid #d7ddcf;border-radius:50%;display:grid;place-items:center;color:var(--green);font-size:11px}h1,h2,h3{font-family:Manrope,Arial,sans-serif}h1{font-size:36px;line-height:1.25;letter-spacing:-1.5px;margin:10px 0 15px}h2{font-size:21px;letter-spacing:-.6px}h3{font-size:16px;line-height:1.5;margin:10px 0}p{line-height:1.7}.eyebrow{font-size:10px;font-weight:700;letter-spacing:1.8px;text-transform:uppercase;color:#869477}.intro{padding:34px 0 25px}.intro p{color:var(--muted);margin:0}.hero{background:var(--green);border-radius:16px;padding:34px 36px;display:grid;grid-template-columns:1fr 220px;gap:24px;color:#fff;position:relative;overflow:hidden}.hero h2{font-size:30px;margin:14px 0;max-width:520px;line-height:1.3}.hero p{color:#c0d5ca;max-width:480px;font-size:13px}.hero .eyebrow{color:var(--lime)}.btn{display:inline-block;background:var(--green);color:#fff;border:0;padding:12px 18px;border-radius:8px;font-size:12px;font-weight:700;text-decoration:none}.btn.light{background:var(--lime);color:var(--green)}.btn.ghost{background:#fff;border:1px solid var(--line);color:var(--green)}.btn:disabled{opacity:.5;cursor:default}.hero-art{display:grid;place-content:center;position:relative}.orbit{width:170px;height:170px;border:1px solid #ffffff30;border-radius:50%;display:grid;place-content:center;outline:1px solid #ffffff14;outline-offset:22px}.orbit span{font-size:58px;color:var(--lime);text-align:center}.orbit small{font-size:9px;letter-spacing:3px;color:#bed1c4}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:22px 0 32px}.stat{background:white;border:1px solid var(--line);border-radius:12px;padding:20px}.stat strong{display:block;font-size:27px;margin-bottom:9px;font-weight:500}.stat span{font-size:11px;color:var(--muted)}.sectionhead{display:flex;align-items:center;justify-content:space-between;margin:12px 0}.sectionhead button{border:0;background:none;color:var(--green);font-size:12px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.card{background:#fff;border:1px solid var(--line);padding:23px;border-radius:12px;display:flex;flex-direction:column;align-items:flex-start}.card p{font-size:12px;color:var(--muted);margin:5px 0 16px}.card .btn{margin-top:auto}.badge{font-size:9px;text-transform:uppercase;letter-spacing:1px;background:#edf2e5;padding:6px 9px;border-radius:5px;color:#687d4d}.cardmark{width:40px;height:40px;background:#eef1e9;color:var(--green);display:grid;place-items:center;border-radius:10px;font-size:20px;margin-bottom:14px}.sourceinfo{font-size:11px;color:var(--muted);margin:8px 0 18px}.tools{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0}input,select,textarea{border:1px solid #d7dfd4;border-radius:8px;padding:12px;background:white;color:var(--ink)}input[type=search]{flex:1;min-width:200px}.panel{background:#fff;padding:28px;border:1px solid var(--line);border-radius:12px;margin:20px 0}.two{display:grid;grid-template-columns:1.4fr 1fr;gap:20px}.muted{color:var(--muted);font-size:13px}.bar{height:6px;background:#e8ece5;border-radius:6px;overflow:hidden;margin-top:12px}.bar i{display:block;height:100%;background:#79a387}.option{display:block;background:#fff;border:1px solid var(--line);padding:16px;margin:10px 0;text-align:left;border-radius:9px;width:100%;line-height:1.5}.option.selected{border:2px solid var(--green);background:#edf3e7}.option.correct{background:#e8f5e7;border-color:#508359}.option.wrong{background:#fff0eb;border-color:#c99180}.explanation{padding:20px;background:#f1f5eb;border-left:3px solid #8ca86d;margin:22px 0;line-height:1.8}.questionhead{display:flex;justify-content:space-between;gap:10px;font-size:12px;color:var(--muted)}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.flash{min-height:260px;width:100%;display:flex;flex-direction:column;justify-content:center;text-align:center;border:1px solid #cddac7;background:#f4f7ec;border-radius:16px;padding:40px;color:var(--ink);font-size:22px;line-height:1.6}.flash small{font-size:10px;letter-spacing:1px;color:var(--muted);margin-bottom:20px}footer{font-size:10px;line-height:1.8;color:#89968b;padding:35px 0;border-top:1px solid var(--line);margin-top:35px}#modal{position:fixed;inset:0;background:#17392a99;z-index:10;padding:3vh 3vw}#modal[hidden]{display:none}.reader{background:#f9faf7;border-radius:12px;height:94vh;display:flex;flex-direction:column;overflow:hidden}.readerbar{padding:14px 20px;display:flex;justify-content:space-between;align-items:center;gap:10px}.reader iframe{width:100%;flex:1;border:0}.readerbar h3{font-size:13px}.transcript{white-space:pre-wrap;font:14px/1.8 Georgia,serif;max-height:60vh;overflow:auto;padding:20px;background:#fff}textarea{width:100%;min-height:130px}.row{display:flex;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line);padding:15px 0;font-size:13px}.schedule{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.schedule div{padding:18px;background:#fff;border:1px solid var(--line);border-radius:10px;font-size:12px;line-height:1.7}button:focus-visible,a:focus-visible{outline:3px solid #b0c75d;outline-offset:3px}@media(max-width:1000px){aside{width:205px}main{margin-left:205px;padding:0 25px}.grid{grid-template-columns:repeat(2,1fr)}.hero{grid-template-columns:1fr}.hero-art{display:none}.two{grid-template-columns:1fr}}@media(max-width:650px){aside{position:static;width:100%;padding:18px}.brand{font-size:14px}.navlabel,.sidebottom{display:none}nav{display:flex;overflow:auto;margin-top:14px}nav button{white-space:nowrap;width:auto;font-size:11px;padding:10px}main{margin:0;padding:0 18px}header{height:55px}.intro{padding:23px 0}h1{font-size:29px}.hero{padding:25px}.hero h2{font-size:25px}.stats{grid-template-columns:repeat(2,1fr);gap:10px}.grid{grid-template-columns:1fr}.schedule{grid-template-columns:repeat(2,1fr)}.readerbar{flex-wrap:wrap}.panel{padding:20px}}

.modulebody{overflow:auto;padding:28px 42px;max-width:1000px;line-height:1.8}.modulebody h3{margin-top:30px}.modulebody a{overflow-wrap:anywhere}
.domainmap{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:22px 0}.domainbutton{background:#f2f6ea;border:1px solid #d7e2cf;border-radius:10px;text-align:left;padding:18px;color:var(--green)}.domainbutton span{display:block;font-size:9px;letter-spacing:1px;margin-bottom:8px}.domainbutton b{display:block;font-size:13px;line-height:1.6}.domainbutton small{display:block;font-size:10px;margin-top:10px}.card select{max-width:100%}@media(max-width:900px){.domainmap{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.modulebody{padding:24px}}
.revisionwelcome{border-left:5px solid #b68745;background:#faf6ed}.revisionbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:22px 0}.revisionbar select{flex:1;min-width:180px;max-width:440px}.revisionlayout{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(320px,1fr);gap:24px;align-items:start}.sourcepage{min-width:0;background:#fff;padding:12px;border:1px solid #ddd;border-radius:14px}.sourcepage img,.keyimage{display:block;width:100%;height:auto}.sourcepage .sectionhead{margin:0 0 12px}.revisionanswers{margin:0;min-width:0}.revisionanswer{border-bottom:1px solid #e7e9df;padding:12px 0}.revisionanswer h3{font-size:16px;margin:0 0 7px}.revisionanswer p{line-height:1.7;margin:0}.revisionanswers textarea{margin-top:12px}.revisionanswers hr{border:0;border-top:1px solid #ddd;margin:25px 0}.keyimage{border:1px solid #ddd;margin:12px 0}@media(max-width:1050px){.revisionlayout{grid-template-columns:1fr}.revisionbar{position:static}.revisionanswers{padding:22px}}

.revisionlayout.answers-only{display:block;max-width:1000px;margin:0 auto}.answers-only .revisionanswers{width:100%}.answers-only .keyimage{max-width:850px;margin:18px auto}
/* Studio visual system */
:root{--green:var(--studio-green);--ink:#183e37;--muted:#6b7d77;--paper:#f5f7f5;--line:#e1e9e4;--lime:#d9eea5}body{font-size:15px}aside{background:var(--studio-green);border:0;width:250px;padding:36px 20px;z-index:5}.brand{color:#fff;letter-spacing:2.3px}.logo{background:#d9eea5;color:#174d40;border-radius:13px}.subbrand{color:#b9d2c7}.navlabel{color:#8eafa1;margin-top:52px;font-size:9px}nav button{color:#b7cfc4;padding:15px 16px;font-size:13px;margin-bottom:9px;border-radius:10px;transition:background .2s,color .2s}nav button:hover{background:#ffffff0c;color:#fff}nav button.active{background:#d9eea5;color:#193e32;box-shadow:0 3px 12px #062e2420}.sidebottom{color:#9abbac;border-top:1px solid #ffffff18;padding-top:22px}.private{color:#d9eea5}.sidebottom p{font-size:14px;color:#d0e0d6}.sidebottom small{font-size:10px}main{margin-left:250px;padding:0 40px 12px;max-width:1780px}header{height:80px;letter-spacing:1.5px;color:#6e877b}.avatar{background:#fff;border:1px solid #d7e4da;box-shadow:0 2px 8px #153e3508}h1{font-size:35px;font-weight:800;letter-spacing:-1.3px}h2{font-size:22px;font-weight:800}a{color:var(--green)}.eyebrow{font-size:9px;color:#678276;letter-spacing:1.9px}.btn{font-size:12px;padding:13px 19px;border-radius:9px;transition:transform .18s,box-shadow .18s,background .18s}.btn:hover{transform:translateY(-2px);box-shadow:0 5px 13px #154d4218}.panel,.card,.stat{box-shadow:0 3px 14px #183f3503;border-color:#e0e8e2}.card{transition:transform .2s,box-shadow .2s}.card:hover{transform:translateY(-3px);box-shadow:0 10px 30px #17483a0c}.badge{font-size:8px;font-weight:700;letter-spacing:1px;border-radius:4px;background:#edf3e8;color:#55735c}.intro p{max-width:740px;line-height:1.8}.tools input{padding-left:18px;min-height:49px;box-shadow:0 2px 8px #143b3003}input:focus,select:focus,textarea:focus{outline:2px solid #8cae81;outline-offset:2px}.dashboardgreeting{display:flex;justify-content:space-between;align-items:center;padding:33px 0 27px}.dashboardgreeting h1{margin:9px 0}.dashboardgreeting p{margin:0;color:var(--muted);font-size:13px}.hello-dot{color:#8aa75c}.workspacepill{display:flex;gap:8px;align-items:center;border:1px solid #dfe7df;background:white;border-radius:30px;font-size:10px;color:#597669;padding:10px 13px;white-space:nowrap}.workspacepill i{width:6px;height:6px;background:#719c53;border-radius:50%}.studiohero{background:linear-gradient(115deg,var(--studio-green),var(--studio-green));padding:38px 38px 30px;border-radius:20px;grid-template-columns:minmax(0,1fr) 275px;gap:10px;min-height:335px}.herokicker{color:#c2d69d;font-size:8px;letter-spacing:1.7px;font-weight:700}.studiohero h2{font-size:31px;line-height:1.35;letter-spacing:-1px;margin:17px 0 12px;max-width:600px}.studiohero p{font-size:12px;line-height:1.8;max-width:460px;color:#b8d0c4}.studiohero .actions{margin-top:23px}.herosecondary{border:1px solid #648779;background:#ffffff07;color:#fff}.herofacts{display:flex;gap:17px;font-size:9px;color:#b1c9b9;margin-top:27px;flex-wrap:wrap}.herofacts span+span:before{content:'•';margin-right:17px;color:#839f76}.studyart{position:relative;min-height:260px;align-self:center}.artorbit{position:absolute;width:280px;height:280px;border:1px solid #ffffff10;border-radius:50%;inset:0 0 auto auto;box-shadow:0 0 0 25px #ffffff03,0 0 0 50px #ffffff02}.artcard{position:absolute;top:20px;left:35px;width:195px;height:237px;border-radius:15px}.backcard{background:#a1b67c;transform:rotate(12deg);top:16px;left:54px;opacity:.5}.frontcard{transform:rotate(-7deg);background:#f5f7ec;color:#194f40;padding:21px;box-shadow:0 20px 40px #001f2440}.artcross{position:absolute;right:18px;top:22px;font-size:26px;color:#6f9364}.artlabel{font-size:12px;font-weight:800;line-height:1.5;letter-spacing:1.3px}.artline{height:4px;border-radius:10px;background:#d8e3d0;margin-top:14px;width:80%}.artline.short{width:50%;margin-top:8px}.artpulse{margin-top:14px;color:#659574}.artbottom{font-size:6px;letter-spacing:1px;font-weight:700}.artfloat{position:absolute;bottom:-5px;left:5px;background:#fff;color:#3d6852;border:1px solid #dce6da;border-radius:9px;padding:13px 15px;box-shadow:0 8px 24px #051d2430;font-size:9px;font-weight:700}.dashboardstats{margin:22px 0 29px;gap:13px}.dashboardstats .stat{display:flex;gap:14px;align-items:center;padding:21px 17px;border-radius:12px}.metricicon{display:grid;place-items:center;flex-shrink:0;width:36px;height:40px;border-radius:10px;background:#eef3e7;color:#547e52;font-size:20px!important}.stat strong{font-size:25px;font-weight:800;letter-spacing:-1px;margin-bottom:5px}.stat strong small{font-size:12px;color:#8b9a91;letter-spacing:0}.stat span{font-size:10px}.dashboardlower{display:grid;grid-template-columns:1.4fr 1fr;gap:22px;margin-bottom:34px}.nextsession{background:#fff;border:1px solid var(--line);border-radius:15px;padding:24px}.nextsession .sectionhead{margin:0 0 10px}.nextsession h2{margin:8px 0 12px;font-size:20px}.sessionsteps button{width:100%;display:flex;align-items:center;gap:14px;border:0;border-top:1px solid #e9eee8;background:none;color:var(--ink);text-align:left;padding:17px 0}.sessionsteps button:hover b{color:#71934c}.stepnumber{display:grid;place-items:center;border:1px solid #dfe9d8;background:#f5f8ee;width:34px;height:34px;border-radius:10px;font-size:10px;color:#678453}.sessionsteps b{display:block;font-size:12px}.sessionsteps small{display:block;font-size:10px;color:var(--muted);margin-top:5px}.sessionsteps button>span:last-child{margin-left:auto;font-size:16px}.domainfeature{background:#e9efdf;border:1px solid #dfe7d2;border-radius:15px;padding:28px;position:relative;overflow:hidden}.domainfeature:after{content:'✦';position:absolute;right:-8px;top:28px;font-size:150px;line-height:1;color:#dce5c9;transform:rotate(10deg);pointer-events:none}.domainfeature>*{position:relative;z-index:1}.domainnumber{display:flex;align-items:center;gap:16px;font-size:68px;font-weight:800;letter-spacing:-3px;margin-top:17px;line-height:1}.domainnumber span{font-size:19px;font-weight:700;line-height:1.4;letter-spacing:-.5px}.domainfeature p{font-size:12px;color:#697e60;max-width:260px;line-height:1.8;margin:18px 0}.domainfeature .btn{font-size:11px}.collectionhead{margin:0 0 20px;align-items:flex-end}.collectionhead h2{margin:8px 0 0}.coursecard{padding:0;overflow:hidden;border-radius:14px;display:block}.coursecover{height:132px;width:100%;position:relative;overflow:hidden;background:#e5ecdc;color:#4b6b45;padding:20px}.courseordinal{font-size:8px;letter-spacing:1.7px;font-weight:700;position:relative;z-index:1}.courseglyph{position:absolute;right:27px;top:25px;font-size:75px;line-height:1;color:#7e9a6a}.coverlines{position:absolute;width:155px;height:155px;right:-20px;top:-10px;border:1px solid #67845c22;border-radius:50%;box-shadow:0 0 0 20px #ffffff20,0 0 0 40px #ffffff18}.tone-1 .coursecover{background:#e2ebef;color:#47717a}.tone-1 .courseglyph{color:#7f9fa7}.tone-2 .coursecover{background:#f0e7db;color:#896d49}.tone-2 .courseglyph{color:#b69c75}.tone-3 .coursecover{background:#e8e3ee;color:#766380}.tone-3 .courseglyph{color:#a393b3}.coursebody{padding:22px}.coursebody h3{font-size:17px;margin:14px 0 7px;font-weight:800;min-height:51px}.coursebody p{font-size:11px;margin:0 0 24px}.progresscaption{display:flex;justify-content:space-between;font-size:9px;color:#87968a}.coursebody .bar{height:4px;margin:9px 0 22px}.coursebody .bar i{background:#88a666}.coursebody .actions{justify-content:space-between;align-items:center;margin:0}.coursebody .btn{padding:11px 14px;font-size:10px}.pdfshortcut{font-size:9px;text-decoration:none;color:#768d80}.collectionchips{display:flex;gap:9px;flex-wrap:wrap;margin-top:20px}.collectionchips span{background:#eaf0e4;border:1px solid #dee7d8;color:#658056;padding:7px 10px;border-radius:20px;font-size:9px}.revisionbar{padding:16px;background:white;border:1px solid var(--line);border-radius:13px;box-shadow:0 3px 15px #133e3304}.revisionbar .btn{font-size:10px}.revisionbar select{background:#f6f8f3;font-size:11px;max-width:none}.revisionanswers{border-radius:16px;padding:35px 40px}.revisionanswers>h2{font-size:27px;margin-bottom:26px}.revisionanswer{padding:18px 20px;margin:12px 0;border:1px solid #e3eadd;border-radius:11px;background:#fafcf7}.revisionanswer h3{font-size:14px;color:#3f6548}.revisionanswer p{font-size:14px;line-height:1.9;color:#52665c}.keyimage{border:1px solid #e1e5dd;border-radius:5px;box-shadow:0 6px 28px #183b3010}.revisionanswers textarea{background:#fafbf8}.domainbutton:hover{background:#e6eedb;transform:translateY(-2px)}footer{font-size:9px;line-height:1.9}.option{padding:19px;border-radius:12px;transition:background .2s}.option:hover{background:#f4f7ef}.flash{box-shadow:0 12px 35px #163e3407}.readerbar{background:#edf3e7}
@media(min-width:1550px){.studiohero h2{font-size:38px}.studiohero{grid-template-columns:1fr 330px}.dashboardstats .stat{padding:24px}.coursecover{height:155px}}@media(max-width:1150px){aside{width:215px;padding:30px 16px}.brand{font-size:14px}main{margin-left:215px;padding:0 25px}.studiohero{grid-template-columns:1fr 210px;padding:30px}.studiohero h2{font-size:27px}.studyart{transform:scale(.85);transform-origin:center}.dashboardstats .stat{gap:9px;padding:17px 12px}.metricicon{width:29px}.stat strong{font-size:22px}.dashboardlower{grid-template-columns:1.2fr 1fr}}@media(max-width:950px){.studiohero{grid-template-columns:1fr}.studyart{display:none}.workspacepill{display:none}.dashboardlower{grid-template-columns:1fr}.domainfeature{padding:24px}.domainfeature p{max-width:500px}.domainnumber{font-size:55px}.dashboardstats{grid-template-columns:repeat(2,1fr)}.coursebody h3{min-height:0}}@media(max-width:650px){aside{position:static;width:100%;padding:20px 18px 10px}.brand{font-size:15px}.logo{height:39px;width:36px}.navlabel,.sidebottom{display:none}nav{margin-top:18px;gap:6px;padding-bottom:2px}nav button{font-size:10px;padding:11px 13px;margin:0}main{margin:0;padding:0 18px}header{height:58px;font-size:8px}.dashboardgreeting{padding:27px 0 24px}.dashboardgreeting h1{font-size:27px}.dashboardgreeting p{font-size:12px}.studiohero{padding:28px 24px;border-radius:15px}.studiohero h2{font-size:27px}.studiohero .actions{gap:10px}.studiohero .btn{font-size:10px}.herokicker{font-size:7px}.herofacts{font-size:8px;gap:9px}.herofacts span+span:before{margin-right:9px}.dashboardstats{gap:10px}.dashboardstats .stat{padding:17px 12px}.dashboardstats .stat span{font-size:9px}.nextsession{padding:22px}.grid{gap:18px}.coursecover{height:135px}.coursebody h3{font-size:18px}.revisionanswers{padding:25px 19px}.revisionanswers>h2{font-size:24px}.revisionanswer{padding:16px}.revisionbar{padding:12px;gap:8px}.revisionbar select{order:-1;flex-basis:100%}.revisionbar .btn{padding:11px}.collectionhead{align-items:center;gap:10px}.collectionhead h2{font-size:19px}.sectionhead button{font-size:10px}.intro h1{font-size:30px}.intro p{font-size:13px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;scroll-behavior:auto!important}}
.relatedsection{margin:28px 0 42px}.relatedheading{display:flex;gap:15px;align-items:flex-start;margin:0 0 20px}.sectionnumber{display:grid;place-items:center;background:#e7eddf;border:1px solid #d9e3cd;border-radius:10px;flex-shrink:0;width:38px;height:38px;color:#627d50;font-size:11px;font-weight:700}.relatedheading h2{font-size:20px;margin:0 0 6px}.relatedheading p{font-size:12px;color:var(--muted);margin:0;max-width:650px}@media(max-width:650px){.relatedheading h2{font-size:18px}.relatedheading p{font-size:11px}.relatedsection{margin-bottom:32px}}
/* Quiet clinical motif behind the welcome banner. */
.studiohero{isolation:isolate}.studiohero:before{content:'';position:absolute;inset:-35px -10px -40px auto;width:65%;background:url('assets/stethoscope.svg') center/contain no-repeat;opacity:.2;pointer-events:none;z-index:-1}.studiohero>div{position:relative}.studiohero .studyart{opacity:.94}@media(max-width:950px){.studiohero:before{width:70%;right:-65px;opacity:.13}}@media(max-width:650px){.studiohero:before{width:100%;right:-100px;opacity:.1}}
/* Photographic stethoscope, prominent and unobstructed. */
.studiohero{grid-template-columns:1fr;min-height:370px;background:var(--studio-green)}.studiohero:before{inset:0 0 0 auto;width:66%;background:url('assets/stethoscope-photo.png') center/cover no-repeat;opacity:1;z-index:-1}.studiohero:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,var(--studio-green) 0%,var(--studio-green) 30%,#103f36e8 43%,#103f3630 65%,transparent 80%);z-index:-1;pointer-events:none}.studiohero>div:first-child{max-width:60%}.studiohero .studyart{display:none}.studiohero h2{max-width:560px}.studiohero p{max-width:450px}@media(max-width:950px){.studiohero>div:first-child{max-width:72%}.studiohero:before{width:80%;right:-65px}.studiohero:after{background:linear-gradient(90deg,var(--studio-green) 0%,#103f36f0 35%,#103f3670 66%,transparent)}}@media(max-width:650px){.studiohero{padding-bottom:200px}.studiohero>div:first-child{max-width:100%}.studiohero:before{inset:auto 0 0 auto;width:100%;height:220px;background-position:center 58%;opacity:1}.studiohero:after{background:linear-gradient(180deg,var(--studio-green) 0%,var(--studio-green) 49%,#103f3600 77%)}}
.coursecover.photocover{height:180px;background:var(--studio-green);padding:0}.equipmentphoto{display:block;width:100%;height:100%;object-fit:cover;object-position:center}.photocover .courseglyph,.photocover .coverlines{display:none}.photocover .courseordinal{position:absolute;top:12px;left:12px;color:#fff;background:#103f36c9;padding:7px 9px;border-radius:5px;font-size:7px;backdrop-filter:blur(5px)}
/* Preserve the complete composition of every photographic image. */
.coursecover.photocover{height:auto;aspect-ratio:3/2}.equipmentphoto{object-fit:contain;object-position:center;width:100%;height:100%}.studiohero:before{width:46%;inset:0 0 0 auto;background-size:contain;background-position:center;opacity:1}.studiohero>div:first-child{max-width:54%}.studiohero:after{background:linear-gradient(90deg,var(--studio-green) 0%,var(--studio-green) 49%,transparent 57%)}.keyimage,.sourcepage img{max-width:100%;height:auto;object-fit:contain}@media(max-width:950px){.studiohero{padding-bottom:250px}.studiohero>div:first-child{max-width:100%}.studiohero:before{inset:auto 0 10px;width:100%;height:235px;background-size:contain;background-position:center}.studiohero:after{display:none}}@media(max-width:650px){.studiohero{padding-bottom:230px}.studiohero:before{inset:auto 0 10px;width:100%;height:210px;background-size:contain;background-position:center;opacity:1}}
.unitphoto{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:contain;border-radius:9px;margin-bottom:20px;background:var(--studio-green)}
/* Calm, readable document revision typography. */
.revisionanswers{background:#fffef9;border:1px solid #dce6da;box-shadow:0 10px 36px #163e3406;color:#203c36}
.revisionanswers>.eyebrow{color:#597548;letter-spacing:.16em;font-family:Manrope,Arial,sans-serif;font-weight:800}
.revisionanswers>h2{font-family:Manrope,Arial,sans-serif;font-weight:800;font-size:clamp(25px,3vw,32px);line-height:1.3;letter-spacing:-.8px;color:var(--studio-green);margin:12px 0 28px}
.revisionanswers>.badge{background:#e8efdd;border:1px solid #d5e1ca;color:#365c3c;font-family:Manrope,Arial,sans-serif;font-weight:700;font-size:11px;letter-spacing:.025em;padding:8px 12px;border-radius:8px}
.revisionanswer{background:#f3f6ec;border:1px solid #dde6d4;border-left:4px solid #7b9862;border-radius:12px;padding:24px 26px;margin:18px 0;box-shadow:none}
.revisionanswer h3{font-family:Manrope,Arial,sans-serif;font-size:17px;line-height:1.55;font-weight:800;letter-spacing:-.2px;color:var(--studio-green);margin:0 0 12px;max-width:75ch}
.revisionanswer p{font-family:'DM Sans',Arial,sans-serif;font-size:16px;line-height:1.85;font-weight:400;letter-spacing:.005em;color:#304d40;margin:0;max-width:78ch;white-space:pre-line;overflow-wrap:anywhere}
.revisionanswers>h3{font-family:Manrope,Arial,sans-serif;font-size:20px;font-weight:800;color:var(--studio-green);margin:34px 0 10px;letter-spacing:-.35px}
.revisionanswers>p{font-family:'DM Sans',Arial,sans-serif;font-size:15px;line-height:1.8;max-width:78ch;color:#5c7060}
.revisionanswers a:not(.btn){color:#275d47;text-underline-offset:4px;text-decoration-thickness:1px}
.revisionanswers .keyimage{display:block;background:#fff;border:8px solid #edf2e6;outline:1px solid #dce6d4;border-radius:10px;box-shadow:0 8px 24px #164f4308;margin:22px 0}
.revisionanswers hr{border:0;border-top:1px solid #dce6d6;margin:32px 0 24px}
.revisionanswers label{font-family:Manrope,Arial,sans-serif;color:#27523d;font-size:14px}
.revisionanswers textarea{font-family:'DM Sans',Arial,sans-serif;font-size:15px;line-height:1.75;color:#304d40;background:#f7f9f1;border:1px solid #dce5d5;border-radius:10px;padding:16px;margin-top:12px}
.revisionanswers textarea:focus{outline:2px solid #91a77b;outline-offset:2px}
@media(max-width:650px){.revisionanswer{padding:20px 18px;margin:16px 0}.revisionanswer h3{font-size:16px}.revisionanswer p{font-size:16px;line-height:1.8}.revisionanswers .keyimage{border-width:4px}.revisionanswers>h3{font-size:18px}}

/* Shared green palette across studio background surfaces. */
:root{--studio-green:#103f36;--green:var(--studio-green);--studio-tint:#edf3e7;--studio-border:#dce6d6}
aside,.hero,.studiohero,.coursecover.photocover,.unitphoto{background-color:var(--studio-green)}
.studiohero{background:var(--studio-green)}
.domainfeature,.readerbar,.revisionanswer,.metricicon,.collectionchips span,.sectionnumber{background-color:var(--studio-tint);border-color:var(--studio-border)}
.revisionanswers>.badge,.collectionchips span,.sectionnumber{color:var(--studio-green)}
.revisionanswers .keyimage{border-color:var(--studio-tint)}
.sessionsteps .stepnumber,.revisionbar select,.revisionanswers textarea{background-color:var(--studio-tint)}

.equipmentzoom{display:block;width:100%;height:100%;border:0;padding:0;background:var(--studio-green);cursor:zoom-in}.equipmentzoom:focus-visible{outline:3px solid #d9eea5;outline-offset:-4px}.photoreader{max-width:1400px;width:96vw;height:auto;max-height:95vh;overflow:auto}.photoreader>a{display:block;background:var(--studio-green)}.photoreader>a>img{display:block;width:100%;height:auto;max-height:85vh;object-fit:contain}

/* Real portrait in the studio header. */
.avatar.photo-avatar{position:relative;display:block;overflow:hidden;width:44px;height:44px;flex-shrink:0;border:2px solid var(--studio-green);border-radius:50%;background:var(--studio-green)}
.photo-avatar img{position:absolute;display:block;width:192%;height:auto;max-width:none;left:-46%;top:-48%}