@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700;800&display=swap');
:root{--ink:#182b29;--green:#176957;--paper:#f5f5ef;--line:#dcded5}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px 'Be Vietnam Pro',sans-serif;line-height:1.7}aside{position:fixed;inset:0 auto 0 0;width:245px;border-right:1px solid var(--line);padding:35px 25px;background:#eeefe7}.brand{display:block;font-size:23px;font-weight:800;letter-spacing:2px;color:var(--ink);text-decoration:none}.brand span{color:var(--green)}small,.eyebrow,header{font-size:10px;letter-spacing:1.6px}nav{margin-top:45px;display:grid;gap:12px}button{font:inherit;cursor:pointer;border:1px solid var(--line);border-radius:7px;padding:10px 15px;background:white;color:var(--ink)}nav button{text-align:left;background:transparent;border:0}nav button.active{background:#dce6d9;color:#125240;font-weight:700}.aside-bottom{position:absolute;bottom:30px;font-size:13px}.aside-bottom p{font-size:10px}main{margin-left:245px;padding:28px 5vw;max-width:1500px}header{display:flex;justify-content:space-between;padding-bottom:22px;border-bottom:1px solid var(--line)}.hero{padding:45px 0 30px}.eyebrow{color:var(--green);font-weight:700}h1{font-size:clamp(32px,4vw,55px);letter-spacing:-2px;line-height:1.2;margin:20px 0}h1 em{font-style:normal;color:var(--green)}.hero p{color:#63706a}.pill{display:inline-block;padding:7px 12px;background:#e5ebdf;border-radius:30px;font-size:11px}.notice{padding:12px 16px;border-left:3px solid #b6a26c;background:#efeadd;font-size:12px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:17px;margin:28px 0}.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px}.card small{color:var(--green)}.card h2{font-size:17px;min-height:54px}.card p{font-size:12px;color:#66716c}.card button{width:100%;background:var(--green);color:white;border:0}.lesson{background:white;border:1px solid var(--line);border-radius:12px;padding:30px;margin-top:25px}h2{line-height:1.4}h3{margin-top:28px;font-size:17px}details{border-top:1px solid var(--line);padding:18px 0}summary{cursor:pointer;font-weight:600}pre{white-space:pre-wrap;background:#1c302e;color:#e0efe5;padding:18px;border-radius:8px;font-size:13px;overflow-wrap:anywhere}textarea,input[type=text]{font:inherit;width:100%;padding:12px;border:1px solid var(--line);border-radius:6px}textarea{min-height:110px}label{display:block;margin:10px 0}fieldset{border:1px solid var(--line);border-radius:8px;margin:16px 0}legend{font-weight:600;font-size:13px}a{color:var(--green)}.status{background:#edf3e9;padding:15px;border-radius:7px}.muted{font-size:12px;color:#64716c}footer{padding:28px 0;font-size:11px;color:#64716c}li{margin:9px 0}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #c3913a;outline-offset:3px}@media(max-width:850px){aside{position:static;width:auto;padding:18px}.aside-bottom{display:none}nav{display:flex;flex-wrap:wrap;margin-top:15px;gap:5px}main{margin:0;padding:20px}.cards{grid-template-columns:1fr}.card h2{min-height:0}header{font-size:8px}.lesson{padding:20px}}