*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f6f4ed;color:#24382d;font:16px/1.65 Arial,Helvetica,sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #bd4e2d;outline-offset:5px}[hidden]{display:none!important}.skip{position:absolute;left:16px;top:-100px;z-index:10;background:white;padding:12px}.skip:focus{top:12px}header,main,footer{max-width:1320px;margin:auto}header{height:108px;display:flex;align-items:center;justify-content:space-between;padding:0 58px;gap:20px}.brand{font-size:29px;font-weight:750;letter-spacing:-1.4px;display:inline-flex;align-items:center;gap:8px}.brand-icon{background:#ce5d3a;color:#fff8eb;width:34px;height:38px;border-radius:7px;font:32px/38px Georgia;text-align:center;letter-spacing:0}.brand-dot{color:#ce5d3a;margin-left:-8px}nav{display:flex;gap:32px;font-size:14px}nav a:hover,.text-link:hover{color:#bd4e2d}.header-cta{border-bottom:1px solid #24382d;padding:6px 0;font-size:14px}.header-cta span{margin-left:28px}.hero{min-height:650px;display:grid;grid-template-columns:1.05fr 1fr;gap:36px;padding:50px 58px 70px;align-items:center}.eyebrow{font-size:11px;letter-spacing:1.8px;font-weight:bold;margin:0 0 22px}.eyebrow span{display:inline-block;width:7px;height:7px;background:#ce5d3a;border-radius:50%;margin-right:7px}h1,h2,h3,p{margin-top:0}h1{font:normal clamp(52px,5.8vw,80px)/1.03 Georgia,'Times New Roman',serif;letter-spacing:-3.5px;margin-bottom:24px}h1 em{color:#bd5536;font-weight:normal}h2{font:normal 40px/1.15 Georgia,serif;letter-spacing:-1.1px}h3{font-size:21px;line-height:1.35;letter-spacing:-.4px}.lead{font-size:17px;line-height:1.75;color:#657066;max-width:440px;margin-bottom:28px}.button{display:inline-flex;align-items:center;gap:35px;border:0;background:#283e31;color:#fffaf0;padding:16px 24px;border-radius:5px;font-size:14px;font-weight:bold;transition:background .2s,transform .2s}.button:hover{background:#3d5542;transform:translateY(-2px)}.subtle{font-size:12px;color:#7c847a;margin:15px 0}.hero-art{position:relative;padding:38px 24px;min-width:0}.art-note{font:italic 19px Georgia;color:#737d68;display:block;text-align:center;margin:0 0 26px;transform:rotate(-6deg)}.paper{padding:28px 30px 18px;background:#fffef8;box-shadow:0 15px 45px #34422c12;border:1px solid #e7e4d9;border-radius:3px;transform:rotate(-5deg);position:relative}.paper:before{content:'';position:absolute;inset:-10px 11px 8px -9px;border:1px solid #e2dfd2;background:#eeecdf;z-index:-1;transform:rotate(3deg)}.paper-head{font-size:9px;letter-spacing:1.7px;display:flex;justify-content:space-between;border-bottom:1px solid #e6e5da;padding-bottom:16px}.paper h2{font-size:28px;margin:20px 0 10px}.paper svg{width:100%;display:block}.formula{font:25px Georgia;text-align:center;margin:8px 0 18px}.paper-bottom{display:flex;justify-content:space-between;align-items:center;font-size:10px;border-top:1px solid #e4e4d7;padding-top:12px}.check{background:#dee7cf;width:25px;height:25px;text-align:center;border-radius:50%;font-size:16px}.sticker{position:absolute;bottom:0;right:0;background:#eed588;padding:20px 24px;transform:rotate(7deg);font-size:14px;line-height:1.5;box-shadow:0 6px 14px #65521c12}.sticker span{display:inline-block;font-size:37px;margin-left:12px;vertical-align:middle}.subject-strip{margin:0 58px;border-top:1px solid #d5d8cb;border-bottom:1px solid #d5d8cb;display:grid;grid-template-columns:repeat(3,1fr)}.subject-strip a{display:flex;align-items:center;gap:18px;padding:25px 20px;font-size:18px}.subject-strip a+a{border-left:1px solid #d5d8cb}.subject-strip a:hover{background:#eeecdf}.subject-strip span{font:italic 14px Georgia;color:#939888}.subject-strip b{margin-left:auto;font-weight:normal}.section{padding:76px 58px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}.section-head h2{margin-bottom:0}.text-link{font-size:13px;white-space:nowrap;border-bottom:1px solid #a5af9e;padding-bottom:5px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.lesson-card{padding:24px;background:#efeadf;border:1px solid #e1ddd2;border-radius:7px;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s;min-width:0}.lesson-card:hover{transform:translateY(-5px);box-shadow:0 12px 22px #24382d0b}.lesson-card.blue{background:#e7ebec;border-color:#d7dfe2}.lesson-card.green{background:#e8ecde;border-color:#dce1cf}.card-top{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:10px;color:#7b8175}.tag{border:1px solid #c6c8ba;border-radius:25px;padding:4px 9px;color:#465448;font-size:10px}.card-mark{font:italic 44px Georgia;color:#ad5736;letter-spacing:-2px;padding:28px 0 20px}.blue .card-mark{color:#557382}.green .card-mark{color:#667c48}.lesson-card h3{margin-bottom:10px}.lesson-card p{font-size:13px;color:#70786d;line-height:1.7;margin-bottom:25px}.card-bottom{margin-top:auto;padding-top:17px;border-top:1px solid #ccd0c333;display:flex;align-items:center;justify-content:space-between;font-size:10px;color:#697568}.arrow{font-size:22px}.method{display:grid;grid-template-columns:1fr 1fr;gap:80px;background:#eaece1;margin:0 58px;padding:50px 44px;border-radius:8px}.method>div>p:not(.eyebrow){font-size:14px;color:#6f796b;max-width:330px}.method h2{font-size:36px}.method ol{list-style:none;padding:0;margin:0}.method li{display:flex;gap:24px;margin-bottom:23px}.method li:last-child{margin:0}.method li>span{font:italic 20px Georgia;color:#acb49e}.method h3{font-size:16px;margin-bottom:6px}.method li p{font-size:13px;color:#78816f;margin:0}.closing{text-align:center;padding:90px 30px}.closing h2{font-size:51px}.closing .eyebrow{color:#8c927f}footer{border-top:1px solid #d5d8cb;padding:42px 58px 48px;display:flex;justify-content:space-between;gap:35px}footer .brand{font-size:24px}footer p{font-size:12px;color:#838b7c;margin:15px 0 0}footer>div:nth-child(2){display:flex;flex-direction:column;gap:10px;font-size:12px}.fine{font-size:10px;line-height:1.9}.page-title,.article-title{padding:60px 58px 35px}.page-title h1{font-size:66px}.page-title .lead{max-width:620px}.library{padding-top:15px}.filters{display:flex;flex-wrap:wrap;gap:20px;align-items:end;justify-content:space-between;margin-bottom:24px}.search-label{display:flex;flex-direction:column;font-size:12px;gap:6px;flex:1;max-width:380px;min-width:180px}input{border:1px solid #c5cbbd;border-radius:5px;background:#fffdf6;color:#24382d;padding:12px 14px;min-width:0}.filter-buttons{display:flex;flex-wrap:wrap;gap:7px}.filter-buttons button,.print-button{padding:10px 13px;border:1px solid #c9d0c1;border-radius:4px;background:transparent;color:#40503e;font-size:12px}.filter-buttons button[aria-pressed=true]{background:#283e31;color:#fffdf3;border-color:#283e31}.library-grid{row-gap:22px}.article-title{max-width:970px}.article-title>.text-link{display:inline-block;margin-bottom:35px}.article-title h1{font-size:60px;line-height:1.1}.article-title .lead{max-width:650px}.article-title .eyebrow{margin-bottom:20px}.article-layout{display:grid;grid-template-columns:270px 1fr;gap:58px;padding:20px 58px 80px}.article-layout aside{align-self:start;position:sticky;top:25px;font-size:12px}.article-layout aside a{display:block;padding:10px 0;border-bottom:1px solid #e0e2d7;line-height:1.5}.print-button{margin-top:25px}.article-layout article{max-width:690px}.article-layout article>section{margin-bottom:38px;scroll-margin-top:28px}.article-layout article h2,.prose h2{font-size:30px}.article-layout article p,.prose p{line-height:1.85;color:#626e60}.practice{padding:30px;background:#e9ecdf;border-radius:7px}.practice h2{margin-bottom:15px}.quiz{display:flex;flex-wrap:wrap;align-items:end;gap:15px}.quiz label{display:flex;flex-direction:column;gap:7px;font-size:12px}.quiz input{max-width:220px}.quiz .button{padding:14px 20px}.quiz .feedback{flex-basis:100%;font-size:13px;margin:0;color:#9c4f30}.quiz .feedback.correct{color:#3e6637}details{margin-top:20px;border-top:1px solid #ccd2bf;padding-top:15px;font-size:13px}summary{cursor:pointer;color:#44593d}details p{margin:14px 0 0}.next-lesson{display:block;border-top:1px solid #cfd4c7;padding-top:25px}.next-lesson span{display:block;font-size:11px;color:#929985;margin-bottom:10px}.next-lesson strong{font-size:18px}.prose{max-width:780px;margin:0 58px;padding:0 0 80px}.prose h2{margin-top:35px}.prose .button{margin-top:20px}@media(min-width:1440px){.hero{padding-top:70px;padding-bottom:90px;min-height:720px}}@media(max-width:1000px){header{padding:0 30px}.hero{padding:35px 30px 60px;gap:15px}h1{font-size:64px}.hero-art{padding:35px 10px}.paper{padding:22px}.paper h2{font-size:25px}.subject-strip{margin:0 30px}.subject-strip a{font-size:15px;gap:10px}.section{padding:60px 30px}.method{margin:0 30px;gap:35px;padding:35px}.cards{gap:14px}.lesson-card{padding:19px}.card-top{flex-wrap:wrap}.section-head h2{font-size:33px}.article-layout{grid-template-columns:200px 1fr;padding:20px 30px 65px;gap:30px}.page-title,.article-title{padding:45px 30px 25px}.prose{margin:0 30px}footer{padding:35px 30px}}@media(max-width:700px){header{height:82px;padding:0 22px}.brand{font-size:22px}.brand-icon{font-size:28px;width:29px;height:33px;line-height:33px}nav{gap:12px;font-size:12px;white-space:nowrap}.header-cta{display:none}.hero{grid-template-columns:1fr;padding:32px 24px 48px;gap:8px;min-height:0}.hero-copy{max-width:470px}h1{font-size:clamp(42px,12.5vw,65px);letter-spacing:-2px}.lead{font-size:15px;max-width:380px}.eyebrow{font-size:9px;letter-spacing:1.5px;margin-bottom:22px}.hero-art{max-width:390px;width:100%;margin:0 auto;padding:20px 24px 28px}.art-note{font-size:16px;margin-bottom:18px}.paper{padding:20px 23px}.paper h2{font-size:25px}.paper svg{max-height:160px}.paper-head{font-size:8px}.formula{font-size:22px}.sticker{padding:12px 17px;font-size:12px;bottom:0;right:5px}.sticker span{font-size:27px}.subject-strip{margin:0 24px;grid-template-columns:1fr}.subject-strip a{padding:17px 5px;font-size:17px}.subject-strip a+a{border-left:0;border-top:1px solid #d5d8cb}.subject-strip span{width:25px}.section{padding:48px 24px}.section-head{display:block;margin-bottom:22px}.section-head h2{font-size:34px}.section-head .text-link{display:inline-block;margin-top:20px}.cards{grid-template-columns:1fr}.lesson-card{padding:23px}.card-top{flex-wrap:nowrap;font-size:11px}.card-mark{padding:18px 0 15px;font-size:39px}.lesson-card h3{font-size:23px}.lesson-card p{font-size:14px;margin-bottom:18px}.method{grid-template-columns:1fr;gap:23px;margin:0 24px;padding:30px 23px}.method h2{font-size:32px}.method li{gap:17px}.closing{padding:60px 24px}.closing h2{font-size:40px}footer{margin:0 24px;padding:30px 0;flex-wrap:wrap;gap:20px}footer>div:first-child{flex-basis:55%}footer .fine{flex-basis:100%;margin:0}footer p{font-size:11px}footer>div:nth-child(2){font-size:11px}.page-title,.article-title{padding:35px 24px 20px}.page-title h1{font-size:47px;letter-spacing:-2px}.article-title h1{font-size:43px;letter-spacing:-1.5px}.article-layout{display:block;padding:0 24px 50px}.article-layout aside{position:static;margin-bottom:35px;padding:18px;background:#eeeee3;border-radius:5px}.article-layout aside .eyebrow{margin-bottom:5px}.article-layout aside a{padding:8px 0}.article-layout article h2,.prose h2{font-size:29px}.article-layout article p,.prose p{font-size:15px}.practice{padding:22px}.quiz{display:block}.quiz label{margin-bottom:15px}.quiz input{width:100%;max-width:none}.quiz .feedback{margin-top:15px}.filters{display:block}.search-label{max-width:none;margin-bottom:20px}.filter-buttons{gap:6px}.filter-buttons button{padding:9px;font-size:11px}.prose{margin:0 24px;padding-bottom:50px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}@media print{body{background:white;color:black}header,footer,aside,.article-title>.text-link,.quiz,.next-lesson,.skip{display:none!important}.article-layout{display:block;padding:0}.article-title{padding:0}.article-title h1{font-size:35px}article{max-width:none!important}.practice{background:white;padding:0}details{display:block}details>*{display:block!important}h2{break-after:avoid}section{break-inside:avoid}}