.skip{position:absolute;top:-100px;left:20px;background:white;color:var(--ink);padding:12px;z-index:20}.skip:focus{top:5px}.navlinks{flex-wrap:wrap}.homehero{padding:70px 0 55px;display:grid;grid-template-columns:1.25fr .8fr;gap:70px;align-items:center}.homehero h1{font-size:clamp(42px,5.2vw,68px);max-width:730px}.homehero .lead{max-width:670px}.herocard{padding:32px;border:1px solid var(--line);background:var(--pale);border-top:4px solid var(--teal)}.herocard h2{margin:12px 0 18px;font-size:30px}.herocard p{color:var(--muted);font-size:16px}.herocard img{width:100%;background:white;margin:15px 0;border:1px solid var(--line)}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.sectionhead{display:flex;justify-content:space-between;align-items:baseline;gap:20px;margin:34px 0 23px}.sectionhead h2{margin:0}.sectionhead a{font-size:15px;white-space:nowrap}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.resource{border:1px solid 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Arial,sans-serif;color:var(--muted);margin-top:12px}.editorialband{background:var(--ink);color:white;padding:44px;margin:50px 0;display:grid;grid-template-columns:1fr 1fr;gap:40px}.editorialband h2{margin:0}.editorialband p{margin:0;color:#c9d9e0;font-size:17px}.libraryhero{padding:42px 0 25px}.libraryhero h1{font-size:55px;margin:15px 0}.searchform{display:grid;grid-template-columns:1fr 260px auto;gap:20px;padding:22px;background:var(--pale);border:1px solid var(--line);margin-bottom:14px}.searchform label{display:block;font-size:14px;font-weight:600;margin-bottom:6px}.searchform input,.searchform select{font:16px Arial,sans-serif;width:100%;border:1px solid #b8cbd3;padding:13px 14px;border-radius:4px;background:white;color:var(--ink);min-height:47px}.searchform button{align-self:end;min-height:47px}.resultcount{font-size:14px;color:var(--muted);padding:8px 0 18px}.empty{border:1px dashed #b8cbd3;text-align:center;padding:40px}.empty h2{margin:0 0 12px}.empty p{color:var(--muted)}[hidden]{display:none!important}.articleactions{display:flex;gap:14px;align-items:center;margin-top:20px}.articleactions .btn{padding:9px 14px;font-size:14px}.toolbar{display:flex;align-items:center;gap:18px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding:18px 0;margin-bottom:28px}.toolbar .btn{font-size:14px;padding:9px 15px}.gallery-caption{font-size:13px;color:var(--muted)}.productgrid .previewtabs{flex-wrap:wrap}.screen img{max-height:440px;object-fit:contain}.productimage{padding:20px;background:var(--pale);margin:0 0 24px}.productimage img{max-height:440px;object-fit:contain;width:100%}.toolsfacts{margin-top:25px}.toolsfacts .facts{margin-bottom:20px}.aboutgrid{display:grid;grid-template-columns:1fr 330px;gap:65px;padding:25px 0 70px}.authorbox{padding:30px;background:var(--pale);align-self:start;border-top:3px solid var(--teal)}.authorbox .initial{width:68px;height:68px;font-size:21px;background:white}.authorbox h2{font-size:28px;margin:20px 0 12px}.authorbox p{color:var(--muted)}.footerinner{align-items:start}.footerlinks{display:flex;gap:20px;flex-wrap:wrap}.footerlinks a{color:#cedce1}.purchase .btn.secondary{font-size:14px}.resource .previewthumb{background:#f1f6f8;margin:4px 0 18px;padding:15px;border:1px solid var(--line);height:160px;display:grid;align-items:center;overflow:hidden}.previewthumb img{width:100%;height:130px;object-fit:contain}.filedetail{overflow-wrap:anywhere;font-size:14px;color:var(--muted)}.rail .smallcard .btn{font-size:14px;padding:10px 13px}.producthero h1{font-size:clamp(36px,4.9vw,61px)}@media(max-width:950px){.homehero{gap:35px}.topiclist{grid-template-columns:repeat(2,1fr)}.aboutgrid{grid-template-columns:1fr}.authorbox{max-width:500px}.searchform{grid-template-columns:1fr 230px}.searchform button{grid-column:1/-1;justify-self:start}.navlinks{gap:20px}}@media(max-width:650px){.nav{flex-wrap:wrap;gap:15px}.brand{max-width:none;font-size:17px}.navlinks{width:100%;justify-content:space-between;gap:12px}.homehero{display:block;padding-top:35px}.herocard{margin-top:35px;padding:24px}.cards{grid-template-columns:1fr}.resource{padding:24px}.resource h3{font-size:27px}.editorialband{display:block;padding:28px}.editorialband p{margin-top:20px}.sectionhead{align-items:start}.sectionhead h2{font-size:28px}.searchform{display:block;padding:18px}.searchform>div{margin-bottom:14px}.searchform button{width:100%}.libraryhero h1{font-size:42px}.topiclist{gap:14px}.topiclist a{font-size:20px}.aboutgrid{gap:25px}.toolbar{gap:10px}.footerlinks{margin-top:18px}.resource .previewthumb{height:140px}}
@media print{header,.sample,.rail,footer,.toolbar,.callout,.articleactions{display:none!important}.editorial{display:block;border:0;padding:0}.wrap{padding:0;max-width:none}.hero{padding:0}h1{font-size:30px}h2{font-size:24px;break-after:avoid}.bodycopy p{font-size:11pt;line-height:1.5}figure,table{break-inside:avoid}.lead{font-size:13pt}.byline{font-size:10pt}a{color:inherit}img{max-height:400px;object-fit:contain}body{background:white}.bodycopy{width:100%}}
.video{margin:8px 0 34px}.video .frame{position:relative;aspect-ratio:16/9;background:#102c3b;border-radius:6px;overflow:hidden}.video .frame .cover{position:absolute;inset:0;display:block;cursor:pointer}.video .frame img{width:100%;height:100%;object-fit:cover;display:block}.video .frame .play{position:absolute;left:78%;top:50%;transform:translate(-50%,-50%);width:84px;height:84px;border-radius:50%;background:#00786fe6;display:grid;place-items:center;box-shadow:0 6px 24px #0006}.video .frame .play:before{content:'';margin-left:6px;border-left:26px solid #fff;border-top:16px solid transparent;border-bottom:16px solid transparent}.video .frame .cover:focus-visible .play{outline:3px solid #c16b32;outline-offset:4px}.video .frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.video p{font-size:14px;color:var(--muted);margin:10px 0 0;line-height:1.6}
body{min-height:100vh;display:flex;flex-direction:column}body>main{flex:1 0 auto;width:100%}