@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{--ink:#163b35;--muted:#66776e;--paper:#f7f7f1;--line:#dce4da;--gold:#b17c4a;--cream:#eee7d4}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px DM Sans,sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}a,button,input{outline-offset:4px}a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid #8a9c72}h1,h2,h3{font-family:Manrope,sans-serif;letter-spacing:-.045em}h1{font-size:56px;line-height:1.12;margin:20px 0}h1,h2{font-weight:600}h2{font-size:32px;line-height:1.22}h3{font-size:19px;font-weight:600}p{line-height:1.75;color:var(--muted)}.site-header{height:100px;padding:0 6%;border-bottom:1px solid var(--line);justify-content:space-between;background:#fffefa}.site-brand,.site-header{display:flex;align-items:center}.site-brand{gap:12px;font:800 20px Manrope;letter-spacing:-.6px}.site-brand small{display:block;font:500 8px DM Sans;letter-spacing:1.8px;margin-top:5px}.mark{background:var(--ink);color:white;font:700 33px Manrope;border-radius:13px 4px 13px 4px;width:42px;height:46px;text-align:center;position:relative}.mark span{color:#dec9a2;position:absolute;right:5px;top:0}.site-header nav{display:flex;align-items:center;gap:30px;font-size:12px}.selected{border-bottom:1px solid var(--ink)}.account-badge{display:flex;align-items:center;gap:6px;background:#e6eddf;padding:9px 13px;border-radius:30px}.eyebrow,.mini-label{font-size:10px;letter-spacing:1.8px;font-weight:700;color:#708271}.hero-shop{max-width:1380px;margin:auto;display:grid;grid-template-columns:1.12fr 1fr;gap:70px;align-items:center;padding:90px 7% 85px}.hero-shop h1 em{font-family:Georgia,serif;font-weight:400;color:#557365}.hero-shop p{max-width:490px;font-size:16px}.hero-actions{display:flex;gap:25px;align-items:center;margin:30px 0 20px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;border:1px solid transparent;border-radius:5px;padding:14px 19px;font-size:12px;font-weight:600;transition:background .15s}.primary{background:var(--ink);color:#fffef5}.primary:hover{background:#275348}.secondary{background:white;color:var(--ink);border-color:var(--line)}.text-link{display:inline-flex;gap:7px;align-items:center;font-size:12px}.hero-note{font-size:11px;color:var(--muted)}.library-illustration{position:relative;min-height:400px}.paper-sheet{background:#fffef9;border:1px solid #cfd9cc;box-shadow:0 25px 40px #1c3c3012;padding:32px}.paper-sheet.back{position:absolute;inset:5px 5px 70px 70px;transform:rotate(7deg);background:#e7eee1}.back>span{font-size:9px;letter-spacing:1.1px}.doc-lines{height:120px;background:repeating-linear-gradient(180deg,transparent 0,transparent 23px,#becbbd 24px,#becbbd 25px);margin:22px 0}.paper-sheet.front{position:relative;top:40px;max-width:365px;transform:rotate(-3deg)}.paper-sheet h2{font-family:Georgia,serif;font-weight:400;font-size:31px;margin:25px 0}.resource-line{display:flex;align-items:center;gap:10px;border-top:1px solid var(--line);padding:15px 0;font-size:11px}.resource-line svg{width:17px}.sheet-footer{font-size:9px;color:var(--muted);padding-top:16px}.edition-badge{position:absolute;bottom:-8px;right:10px;border-radius:50%;background:var(--ink);color:var(--cream);width:95px;height:95px;text-align:center;padding-top:17px;font:400 32px Georgia}.edition-badge small{display:block;font:8px DM Sans;letter-spacing:2px;margin-top:5px}.value-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;grid-template-columns:repeat(3,1fr);max-width:1160px;margin:auto}.value-strip>div{padding:35px;border-right:1px solid var(--line)}.value-strip>div:last-child{border:0}.value-strip svg{color:#779074}.value-strip h3{margin-bottom:8px}.value-strip p{font-size:13px;margin:0}.how-section{max-width:1160px;margin:auto;padding:80px 30px;display:grid;grid-template-columns:1fr 1fr;gap:80px}.how-section p{font-size:14px}.how-section ol{list-style:none;padding:0;margin:0}.how-section li{display:flex;gap:24px;border-bottom:1px solid var(--line);padding:18px 0}.how-section li>strong{font:24px Georgia;color:#91a38b}.how-section h3{margin:0}.how-section li p{margin:7px 0}.enroll-section{padding:75px max(7%,calc((100% - 1100px)/2));background:#e8eee2;display:grid;grid-template-columns:1fr 1fr;gap:75px;align-items:start}.enroll-section h2{font-size:39px}.enroll-section ul{list-style:none;padding:0}.enroll-section li{display:flex;gap:10px;align-items:center;margin:18px 0;font-size:13px}.enroll-section li svg{width:16px}.small,small{font-size:11px;line-height:1.7;color:var(--muted)}.purchase-card{padding:34px;background:#fffef9;border:1px solid #d6dfcf;border-radius:7px}.price-label{font-size:9px;letter-spacing:1.4px;color:var(--muted)}.purchase-card h3{font-size:29px;margin:18px 0 10px}.purchase-card p{font-size:13px}.purchase-card label{display:flex;flex-direction:column;gap:7px;font-size:11px;margin:18px 0}.purchase-card label span{font-weight:400;color:var(--muted)}input{padding:11px 12px;border:1px solid #cfd8cb;border-radius:4px;min-width:0;background:white;color:var(--ink)}input[readonly]{background:#f3f5ef}.purchase-card .btn{width:100%;margin:12px 0}.purchase-card small{display:block}.checkline{display:flex!important;flex-direction:row!important;align-items:flex-start;gap:10px!important;line-height:1.65}.checkline input{margin:3px 0;width:16px;height:16px;flex-shrink:0}.redeem{margin-top:25px;border-top:1px solid var(--line);padding-top:20px;font-size:12px}.redeem summary{cursor:pointer}.message{max-width:1100px;margin:20px auto;padding:16px 22px;background:#e1ebd9;border:1px solid #c5d3be;font-size:13px;overflow-wrap:anywhere}.message button{float:right;border:0;background:none;text-decoration:underline}.message.error{background:#f9ebe2;border-color:#e8c4b0;color:#904c2b}.library-layout{display:grid;grid-template-columns:260px minmax(0,1fr);max-width:1500px;margin:auto;min-height:70vh}.week-sidebar{padding:35px 22px;border-right:1px solid var(--line)}.back-link{display:inline-flex;align-items:center;gap:7px;font-size:11px;margin-bottom:25px;color:var(--muted)}.week-sidebar h2{font-size:25px;margin:15px 0 24px}.week-sidebar .eyebrow{font-size:8px}.week-links{display:grid;gap:5px}.week-links>a{font-size:11px;line-height:1.5;display:flex;align-items:flex-start;gap:12px;border-radius:4px;padding:11px}.week-links>a>span{font-size:10px;color:#83927d;padding-top:1px}.week-links>a.current{background:#e2ebda;color:#214a36;font-weight:600}.sidebar-access{margin-top:32px;padding:16px;border:1px solid var(--line);font-size:10px;line-height:1.65;display:flex;gap:10px}.sidebar-access svg{flex-shrink:0}.library-main{padding:45px;min-width:0}.library-main>h1{font-size:34px;max-width:850px}.library-description{font-size:13px;margin-bottom:30px}.resource-search{display:flex;align-items:center;background:white;border:1px solid var(--line);padding:0 14px;margin-bottom:35px;max-width:650px;border-radius:5px;gap:12px}.resource-search input{border:0;width:100%;font-size:12px;padding:14px 0}.resource-group{margin-bottom:38px}.group-heading{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);margin-bottom:15px}.group-heading h2{font-size:22px;margin:0 0 12px}.group-heading span{font-size:10px;color:var(--muted)}.resource-group>p{font-size:12px}.resource-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.resource-card{display:flex;gap:13px;align-items:center;padding:17px;background:#fffefa;border:1px solid var(--line);border-radius:5px;min-width:0}.resource-card:hover{border-color:#90a184}.resource-card>div{flex:1;min-width:0}.resource-card strong{font-size:12px;display:block;overflow-wrap:anywhere;font-weight:500}.resource-card small{display:block;font-size:9px;margin-top:6px}.type-icon{color:#82967c;background:#edf1e8;padding:9px;border-radius:4px;flex-shrink:0}.resource-card>svg{color:#83927d;flex-shrink:0}.resource-detail{background:#fffefa;border:1px solid var(--line);border-radius:6px;overflow:hidden}.resource-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:25px;border-bottom:1px solid var(--line)}.resource-heading h2{font-size:23px;margin:10px 0 0;overflow-wrap:anywhere}.resource-heading .eyebrow{font-size:9px}.answer-pause,.bundle-preview,.locked{padding:60px 35px;text-align:center;max-width:720px;margin:auto}.answer-pause p,.bundle-preview p,.locked p{font-size:14px}.locked small{display:block;margin-top:20px}.notebook-preview pre,.source-preview{background:#183b35;color:#f2efdf;white-space:pre-wrap;overflow-wrap:anywhere;padding:25px;font:12px/1.8 ui-monospace,SFMono-Regular,monospace;margin:0;tab-size:4}.notebook-preview section,.reader-text{padding:25px}.plain-reading p{white-space:pre-wrap;font-size:13px;margin:7px 0;overflow-wrap:anywhere}.plain-reading h2{font-size:24px}.plain-reading h3{font-size:18px}.notebook-preview section{border-bottom:1px solid var(--line)}.notebook-preview pre{border-radius:4px;margin-top:12px}.cell-label{font-size:9px;letter-spacing:1.3px;color:var(--muted)}.colab-handoff{padding:22px 28px;background:#eaf0e2;font-size:12px;line-height:1.8}.colab-handoff a{text-decoration:underline;display:inline-flex;gap:5px;align-items:center}.colab-handoff small{display:block}.pdf-preview{width:100%;height:780px;border:0}.table-scroll{overflow:auto;padding:20px}table{border-collapse:collapse;min-width:100%;font-size:12px}td,th{text-align:left;vertical-align:top;border-bottom:1px solid var(--line);padding:12px;max-width:400px;overflow-wrap:anywhere}th{background:#edf2e7;font-weight:600}.policy{max-width:850px;margin:auto;padding:50px 30px}.policy h1{font-size:38px}.policy h2{font-size:24px;margin-top:35px}footer{padding:35px 6%;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:25px;align-items:center;justify-content:space-between;background:#fffefa;font-size:11px}footer>div{display:flex;gap:24px}footer small{width:100%;font-size:9px}footer span{color:var(--muted)}@media(min-width:1600px){.hero-shop{padding-left:30px;padding-right:30px}}@media(max-width:1000px){.hero-shop{gap:40px;padding:60px 6%}.hero-shop h1{font-size:44px}.library-illustration{transform:scale(.88);transform-origin:center}.enroll-section{gap:40px;padding:55px 6%}.how-section{gap:40px}.library-layout{grid-template-columns:215px minmax(0,1fr)}.library-main{padding:30px}.resource-grid{grid-template-columns:1fr}}@media(max-width:700px){.site-header{height:auto;min-height:90px;padding:20px;gap:20px;flex-wrap:wrap}.site-brand{font-size:18px}.site-header nav{gap:20px;font-size:11px;flex-wrap:wrap}.hero-shop{grid-template-columns:1fr;padding:50px 25px 65px;gap:15px}.hero-shop h1{font-size:42px}.hero-shop p{font-size:14px}.hero-actions{flex-wrap:wrap;gap:20px}.library-illustration{min-height:385px;max-width:400px;transform:scale(.9);transform-origin:center top}.paper-sheet.front{max-width:330px}.value-strip{grid-template-columns:1fr;margin:0 25px}.value-strip>div{border:0;border-bottom:1px solid var(--line);padding:25px 0}.enroll-section,.how-section{grid-template-columns:1fr;gap:25px;padding:45px 25px}.enroll-section h2{font-size:33px}.purchase-card{padding:25px}.library-layout{display:block}.week-sidebar{border-right:0;border-bottom:1px solid var(--line);padding:25px}.week-sidebar h2{margin-bottom:12px}.week-links{display:flex;overflow:auto;gap:8px;padding-bottom:8px}.week-links>a{min-width:165px;font-size:10px;border:1px solid var(--line)}.sidebar-access{margin-top:12px}.library-main{padding:30px 20px}.library-main>h1{font-size:30px}.resource-heading{padding:20px;align-items:flex-start;flex-direction:column}.resource-heading .btn{width:100%}.pdf-preview{height:560px}.message{margin:15px 20px}.notebook-preview pre,.source-preview{font-size:11px;padding:18px}.answer-pause,.bundle-preview,.locked{padding:35px 22px}.colab-handoff{padding:20px}.policy h1{font-size:32px}footer{padding:30px 20px}}.plain-reading a{color:#2e6e5c;text-decoration:underline;text-underline-offset:3px}.plain-reading code{background:#edf1e8;padding:2px 4px;border-radius:3px;font-size:12px}.plain-reading strong{font-weight:700}.plain-reading h4{font:600 16px Manrope,sans-serif;color:var(--ink);margin:25px 0 12px}.pdf-gallery{padding:25px;background:#e8ece5}.pdf-gallery>p{font-size:11px;margin:0 0 20px}.pdf-gallery figure{margin:0 0 25px}.pdf-gallery img{display:block;width:100%;height:auto;border:1px solid #cad4c6;background:white}.pdf-gallery figcaption{font-size:10px;color:var(--muted);margin:0 0 8px}