:root{color-scheme:light;--ink:#142735;--muted:#52616b;--blue:#2462ae;--line:#d9dfdf;--sky:#eaf2fa}
*{box-sizing:border-box}body{margin:0;background:#fdfdfb;color:var(--ink);font:17px/1.65 system-ui,-apple-system,'Segoe UI',sans-serif;overflow-wrap:anywhere}a{color:var(--blue);text-underline-offset:.2em}a,button,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--blue);outline-offset:5px}.skip{position:absolute;top:-100px;padding:12px;background:white}.skip:focus{top:0}header,main{width:min(1080px,calc(100% - 48px));margin:auto}header{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:16px 0;border-bottom:1px solid var(--line)}header a{min-height:44px;display:inline-flex;align-items:center;font-size:.85rem}.brand{text-decoration:none;font-weight:750;letter-spacing:.06em;color:var(--ink)}.brand span{font-size:.65rem;color:var(--muted);margin-left:12px}section{padding:36px 0;border-bottom:1px solid var(--line)}h1,h2,h3{line-height:1.15;letter-spacing:-.035em;text-wrap:balance}h1{font-size:clamp(2.3rem,4.5vw,3.5rem);font-weight:550;max-width:900px;margin:16px 0}h2{font-size:clamp(1.8rem,3vw,2.4rem);font-weight:550;margin:12px 0 18px}h3{font-size:1.1rem;margin-top:28px}p{margin:12px 0}li+li{margin-top:9px}ul{padding-left:22px}.eyebrow{font-size:.7rem;font-weight:650;letter-spacing:.12em;color:var(--blue)}.sample-label{font-size:.85rem;color:var(--muted)}.lead{font-size:1.3rem;max-width:780px}.facts{display:grid;grid-template-columns:1fr 1fr;gap:24px;background:var(--sky);padding:20px;margin-top:24px}.facts strong,.facts .eyebrow{display:block}.facts strong{font-size:1.5rem;margin-top:6px}.note{font-size:.85rem;color:var(--muted)}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:32px}.actions{display:flex;flex-wrap:wrap;gap:24px;align-items:center;margin-top:24px}.actions a{display:inline-flex;align-items:center;min-height:44px}button{font:inherit;background:var(--blue);color:white;border:0;border-radius:8px;padding:12px 20px;min-height:48px;cursor:pointer}[hidden]{display:none!important}details{border-top:1px solid var(--line)}details:last-child{border-bottom:1px solid var(--line)}.agenda>p{margin-bottom:28px}summary{display:flex;align-items:center;gap:20px;cursor:pointer;padding:16px 0;font-weight:600;list-style:none}summary::-webkit-details-marker{display:none}.section-number{color:var(--blue);font-size:.8rem;font-weight:450}.duration{margin-left:auto;white-space:nowrap;font-size:.85rem;color:var(--muted)}.duration span{display:inline-block;margin-left:12px;font-size:1.2rem}details[open] .duration span{transform:rotate(45deg)}.section-body{padding:0 0 24px 40px;max-width:880px}.section-body p{margin-top:15px}pre{font: .92rem/1.65 ui-monospace,SFMono-Regular,Consolas,monospace;white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;padding:24px;background:#f1f4f6;border-left:3px solid #88afd7;border-radius:2px}.exercise{max-width:900px}footer{padding:24px 0 32px;font-size:.9rem}footer a{display:inline-block;padding:8px 0}
@media(max-width:650px){header,main{width:calc(100% - 36px)}.brand span{display:none}section{padding:28px 0}.two-col,.facts{grid-template-columns:1fr;gap:24px}.facts{padding:20px}.two-col>div+div{margin-top:12px}summary{gap:12px;font-size:.95rem}.duration span{margin-left:4px}.section-body{padding-left:0}pre{padding:16px}.lead{font-size:1.15rem}}
@media print{@page{margin:16mm}body{font-size:10pt;background:white;color:#000}header,main{width:100%}header{padding:0 0 10px}.actions,.skip,header>a:last-child{display:none!important}section{padding:18px 0}h1{font-size:30pt}h2{font-size:19pt}h3{font-size:12pt}h1,h2,h3,summary{break-after:avoid}.lead{font-size:12pt}.two-col,.facts{display:block}.facts{padding:12px}.facts>div+div{margin-top:12px}.two-col>div+div{margin-top:22px}summary{padding:12px 0}.section-body{padding-left:0}details::details-content{content-visibility:visible;display:block}details>div{display:block!important}.duration span{display:none}pre{font-size:9pt;padding:10px;break-inside:avoid}footer{padding:18px 0}a{color:inherit}.note{font-size:9pt}}