:root{--paper:#f5f6f2;--surface:#fff;--ink:#1d2822;--muted:#59655d;--line:#d6ddd4;--accent:#245843;--wash:#e3ece2;--radius:7px;--max:1380px;color-scheme:light;font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}body{margin:0;font-size:17px;line-height:1.6}a{color:inherit;text-underline-offset:.22em}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:4px}button:disabled{cursor:default;opacity:.45}img{max-width:100%;display:block}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.1;letter-spacing:-.045em;font-weight:650}h1{font-size:clamp(42px,5.8vw,82px)}h2{font-size:clamp(32px,3.6vw,48px)}h3{font-size:24px}p{max-width:66ch}small,.small{font-size:14px}.muted{color:var(--muted)}[hidden]{display:none!important}.wrap{width:min(calc(100% - 96px),var(--max));margin-inline:auto}.skip{position:fixed;top:-80px;left:16px;background:var(--ink);color:#fff;padding:12px;z-index:100}.skip:focus{top:12px}.site-header{position:sticky;top:0;z-index:20;background:rgb(245 246 242 / .94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-size:17px;font-weight:650;letter-spacing:-.04em;white-space:nowrap}.brand-mark{font-size:32px;line-height:1;color:var(--accent)}.brand span:last-child{font-weight:450;color:var(--muted);letter-spacing:-.025em}.site-nav{display:flex;gap:30px;align-items:center}.site-nav a{font-size:15px;text-decoration:none}.site-nav a:hover,.site-nav a[aria-current=page]{color:var(--accent);text-decoration:underline}.menu-toggle{display:none}.button,.menu-toggle,.filter,.tool-button{border:1px solid var(--line);background:transparent;color:var(--ink);border-radius:var(--radius);display:inline-flex;align-items:center;justify-content:center;gap:12px;padding:12px 20px;text-decoration:none;white-space:nowrap;font-size:15px;font-weight:550;line-height:1.35;transition:background .18s,transform .18s}.button.primary{background:var(--accent);border-color:var(--accent);color:#fff}.button:hover,.tool-button:hover{background:var(--wash)}.button.primary:hover{background:#193f30}.button:active,.tool-button:active,.filter:active{transform:scale(.98)}.button.text{border:0;padding-inline:0}.hero{display:grid;grid-template-columns:1.04fr 1fr;gap:70px;align-items:center;padding-block:68px 72px;min-height:570px}.hero-copy{position:relative;z-index:2}.eyebrow{font-size:12px;letter-spacing:.13em;text-transform:uppercase;margin-bottom:22px;color:var(--accent);font-weight:650}.hero h1{margin-bottom:26px}.hero h1 span{color:var(--accent)}.hero p:not(.eyebrow){font-size:19px;color:var(--muted);max-width:43ch;margin-bottom:30px}.hero-actions{display:flex;gap:26px;align-items:center;flex-wrap:wrap}.hero-art{position:relative;margin:25px 5px 20px;isolation:isolate}.hero-art>a{display:block;position:relative;z-index:3;border-radius:var(--radius);overflow:hidden;background:white;box-shadow:0 25px 55px rgb(38 58 43 / .13);transform:rotate(-3deg);transition:transform .5s}.hero-art>a:hover{transform:rotate(0deg) translateY(-5px)}.hero-art img{width:100%;height:auto}.hero-sheet{position:absolute;inset:0;background:var(--wash);border:1px solid #b5c7b4;border-radius:var(--radius);transform:rotate(4deg) translate(12px,-12px);z-index:1}.hero-sheet.second{transform:rotate(8deg) translate(20px,-12px);background:#e8dfbd;z-index:0}.intro-strip{border-block:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr 1fr;gap:32px;padding-block:25px;margin-bottom:80px}.intro-strip p{margin:0;color:var(--muted);font-size:15px}.intro-strip strong{color:var(--ink);font-size:21px;font-weight:600}.intro-strip a{text-decoration:none}.intro-strip a:hover{text-decoration:underline}.section{padding-bottom:80px}.section-header{margin-bottom:30px}.section-header h2{margin-bottom:12px}.section-header p{color:var(--muted);margin-bottom:0}.library-toolbar{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:end;margin-bottom:22px}.search-field{max-width:520px}.search-field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}.search-field input{width:100%;background:#fff;color:var(--ink);border:1px solid #a6b4a9;border-radius:var(--radius);padding:14px 17px;font-size:16px}.search-field input::placeholder{color:#657269}.result-count{font-size:14px;color:var(--muted);margin:0 0 14px}.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:34px}.filter{font-size:13px;padding:9px 13px;font-weight:500}.filter:hover{border-color:var(--accent)}.filter[aria-pressed=true]{background:var(--accent);color:white;border-color:var(--accent)}.topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));column-gap:28px;row-gap:38px}.topic-card{min-width:0;position:relative}.topic-card a{text-decoration:none}.topic-art{position:relative;aspect-ratio:8/5;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:white;margin-bottom:17px}.topic-art img{width:100%;height:100%;object-fit:contain;transition:transform .55s cubic-bezier(.2,.8,.2,1)}.topic-card a:hover img{transform:scale(1.035)}.topic-card a:hover h3{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:5px}.topic-card .meta{display:flex;gap:10px;align-items:center;font-size:12px;letter-spacing:.03em;color:var(--muted);margin-bottom:7px}.topic-card h3{font-size:23px;margin-bottom:10px;letter-spacing:-.025em}.topic-card p{font-size:15px;line-height:1.55;color:var(--muted);margin-bottom:0}.topic-card[data-learned=true] .meta::after{content:'Read';color:var(--accent);font-weight:650;margin-left:auto}.topic-card[data-saved=true] h3::after{content:' · Saved';font-size:12px;font-weight:500;letter-spacing:0;color:var(--accent)}.empty-state{text-align:center;padding:60px 20px;border:1px solid var(--line);border-radius:var(--radius)}.empty-state h3{font-size:30px}.empty-state p{margin-inline:auto}.guide-band{display:grid;grid-template-columns:1fr 1.2fr;gap:65px;background:var(--wash);padding:50px;border-radius:var(--radius);margin-block:10px 70px}.guide-band p{color:#475b4d}.guide-band h2{margin-bottom:22px}.path-links{display:grid;gap:0}.path-links a{display:flex;align-items:center;justify-content:space-between;padding:16px 0;text-decoration:none;border-bottom:1px solid #bdcdbd;gap:20px}.path-links a:last-child{border:0}.path-links a:hover{text-decoration:underline}.path-links span{font-size:14px}.site-footer{padding-block:38px;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}.footer-inner{display:flex;justify-content:space-between;gap:30px;align-items:start}.footer-inner p{margin-bottom:7px}.footer-links{display:flex;gap:22px;flex-wrap:wrap}.breadcrumbs{display:flex;flex-wrap:wrap;gap:9px;list-style:none;padding:0;margin:28px 0;color:var(--muted);font-size:13px}.breadcrumbs li+li::before{content:'/';padding-right:9px;color:#91a295}.breadcrumbs a{text-decoration:none}.lesson-heading{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:30px;align-items:end;padding-block:20px 32px}.lesson-heading h1{max-width:1000px;font-size:clamp(36px,5.3vw,68px);margin-bottom:20px}.lesson-heading .deck{font-size:20px;color:var(--muted);max-width:65ch;margin-bottom:0}.part-label{font-size:13px;font-weight:600;color:var(--accent);margin-bottom:16px}.lesson-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end;max-width:290px}.tool-button{font-size:13px;padding:10px 13px;background:var(--surface)}.tool-button[aria-pressed=true]{background:var(--accent);color:#fff;border-color:var(--accent)}.lesson-art{margin:0 0 20px}.lesson-art .art-button{display:block;width:100%;border:1px solid var(--line);padding:0;background:#fff;border-radius:var(--radius);overflow:hidden;cursor:zoom-in}.lesson-art img{width:100%;max-height:830px;object-fit:contain}.lesson-art figcaption{display:flex;justify-content:space-between;gap:24px;font-size:13px;color:var(--muted);margin-top:10px}.protected-art{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}.protected-art img{-webkit-user-drag:none;user-select:none}.lesson-body{display:grid;grid-template-columns:220px minmax(0,740px);gap:70px;justify-content:center;margin-block:65px 80px}.lesson-toc{align-self:start;position:sticky;top:110px;display:grid;gap:13px;font-size:14px}.lesson-toc a{text-decoration:none;color:var(--muted)}.lesson-toc a:hover{text-decoration:underline;color:var(--accent)}.article-copy h2{font-size:29px;margin:42px 0 18px;letter-spacing:-.035em;scroll-margin-top:110px}.article-copy h2:first-child{margin-top:0}.article-copy p{font-size:18px;line-height:1.8}.article-copy li{margin-bottom:13px;padding-left:6px}.article-copy ul{padding-left:20px}.key-takeaway{padding:25px 28px;background:var(--wash);border-left:3px solid var(--accent);border-radius:0 var(--radius) var(--radius) 0;font-size:22px;line-height:1.45;letter-spacing:-.02em}.reflection{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:25px}.reflection p{margin-bottom:0}.caveat{font-size:14px!important;color:var(--muted);border-top:1px solid var(--line);padding-top:20px}.lesson-next{display:grid;grid-template-columns:1fr 1fr;gap:30px;border-top:1px solid var(--line);padding:30px 0 60px}.lesson-next a{text-decoration:none;font-size:20px;max-width:42ch}.lesson-next a:last-child{text-align:right;justify-self:end}.lesson-next span{display:block;font-size:13px;color:var(--muted);margin-bottom:7px}.lesson-next a:hover{text-decoration:underline}.page-head{padding-block:42px 50px;max-width:950px}.page-head h1{font-size:clamp(42px,5vw,68px);margin-bottom:22px}.page-head>p{font-size:20px;color:var(--muted)}.chapter-list{display:grid;grid-template-columns:repeat(2,1fr);gap:35px}.chapter-list a{display:block;text-decoration:none;border-top:1px solid var(--line);padding-top:22px}.chapter-list a:hover h3{text-decoration:underline}.path-block{display:grid;grid-template-columns:.8fr 1fr;gap:70px;border-top:1px solid var(--line);padding-block:42px;scroll-margin-top:100px}.path-block h2{font-size:32px}.path-block ol{margin:0;padding-left:20px}.path-block li{padding:8px}.prose{max-width:820px;margin-bottom:80px}.prose h2{font-size:30px;margin-top:45px}.prose p{line-height:1.8}.progress-note{display:flex;gap:20px;align-items:center;flex-wrap:wrap;font-size:14px;color:var(--muted)}.art-viewer{border:1px solid var(--line);border-radius:10px;background:#f6f7f3;color:var(--ink);padding:16px;max-width:calc(100vw - 28px);width:1500px;max-height:calc(100dvh - 28px)}.art-viewer::backdrop{background:rgb(15 27 21 / .84);backdrop-filter:blur(7px)}.viewer-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;position:sticky;top:0;z-index:2;background:var(--paper);padding-bottom:12px}.viewer-toolbar p{margin:0;font-size:15px}.viewer-controls{display:flex;gap:7px}.viewer-stage{overflow:auto;max-height:calc(100dvh - 145px);background:#fff}.viewer-stage img{width:100%;max-width:none;transform-origin:top left;transition:transform .15s}.viewer-note{font-size:12px;color:var(--muted);margin:10px 0 0}.noscript-note{font-size:14px;background:var(--wash);padding:14px;border-radius:var(--radius)}.filter-enhancement{display:none}.js .filter-enhancement{display:flex}.js .library-toolbar{display:grid}.library-toolbar{display:none}.js [data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .6s,transform .6s}.js [data-reveal].is-visible{opacity:1;transform:none}
@media(prefers-reduced-motion:no-preference){.hero-copy{animation:arrive .8s cubic-bezier(.2,.8,.2,1) both}.hero-art{animation:arrive 1s .12s both}@keyframes arrive{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@view-transition{navigation:auto}::view-transition-old(root){animation:fade-out .12s both}::view-transition-new(root){animation:fade-in .2s both}@keyframes fade-out{to{opacity:0}}@keyframes fade-in{from{opacity:0}}}
@media(min-width:1600px){.hero{gap:100px;min-height:620px}}
@media(max-width:1100px){.wrap{width:calc(100% - 56px)}.hero{gap:35px;min-height:520px}.hero h1{font-size:64px}.hero-actions{gap:18px}.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.lesson-heading{grid-template-columns:1fr}.lesson-actions{justify-content:flex-start;max-width:none}.lesson-body{grid-template-columns:170px minmax(0,1fr);gap:35px}.guide-band{gap:35px;padding:35px}}
@media(max-width:767px){.wrap{width:calc(100% - 36px)}.header-inner{height:66px;gap:15px}.brand{font-size:15px;gap:8px}.brand-mark{font-size:29px}.menu-toggle{display:inline-flex;padding:8px 13px;font-size:14px}.site-nav{position:absolute;top:66px;left:0;right:0;padding:20px;background:var(--paper);border-bottom:1px solid var(--line);display:none;gap:23px}.site-nav.is-open{display:flex}.hero{grid-template-columns:1fr;padding-block:38px 45px;gap:30px;min-height:0}.hero h1{font-size:clamp(44px,10vw,68px)}.hero p:not(.eyebrow){font-size:17px}.hero-actions{gap:19px}.hero-art{margin:7px 12px 5px}.eyebrow{margin-bottom:18px}.intro-strip{grid-template-columns:1fr;gap:12px;padding-block:20px;margin-bottom:45px}.intro-strip strong{font-size:18px}.intro-strip p{display:inline;font-size:14px}.intro-strip>div{display:flex;gap:9px;align-items:baseline}.section{padding-bottom:45px}.library-toolbar,.js .library-toolbar{grid-template-columns:1fr;gap:12px}.result-count{margin-bottom:5px}.filters{flex-wrap:nowrap;overflow:auto;padding:3px 0 9px;margin-bottom:22px;scrollbar-width:thin}.filter{flex-shrink:0}.topic-grid{grid-template-columns:1fr;gap:31px}.topic-card h3{font-size:24px}.topic-card .meta{font-size:12px}.topic-art{margin-bottom:14px}.guide-band{grid-template-columns:1fr;padding:26px;gap:15px;margin-bottom:40px}.guide-band h2{font-size:34px}.footer-inner{flex-direction:column;gap:18px}.footer-links{gap:18px}.site-footer{padding-block:30px}.breadcrumbs{font-size:12px;margin-block:20px;gap:6px}.lesson-heading{padding-top:5px;gap:22px}.lesson-heading h1{font-size:clamp(34px,8vw,52px);margin-bottom:17px}.lesson-heading .deck{font-size:18px}.lesson-art figcaption{flex-direction:column;gap:3px}.lesson-body{grid-template-columns:1fr;gap:28px;margin-block:36px 48px}.lesson-toc{position:static;display:flex;flex-wrap:wrap;gap:10px 19px}.article-copy p{font-size:17px}.article-copy h2{font-size:28px;scroll-margin-top:90px}.key-takeaway{font-size:21px;padding:20px}.lesson-next{gap:20px}.lesson-next a{font-size:17px}.page-head{padding-block:28px 32px}.page-head>p{font-size:18px}.chapter-list{grid-template-columns:1fr}.path-block{grid-template-columns:1fr;gap:15px;padding-block:30px}.path-block h2{font-size:30px}.art-viewer{padding:10px;max-width:calc(100vw - 12px)}.viewer-toolbar{align-items:start;gap:8px}.viewer-toolbar p{max-width:42%;font-size:12px}.viewer-controls{gap:3px}.viewer-controls button{padding:8px;font-size:12px}.viewer-stage{max-height:calc(100dvh - 155px)}.viewer-note{font-size:11px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.js [data-reveal]{opacity:1;transform:none}::view-transition-group(*){animation:none!important}}
@media print{.site-header,.site-footer,.lesson-actions,.lesson-toc,.lesson-next,.art-viewer{display:none}.wrap{width:100%}.lesson-body{display:block}.lesson-art{display:none}.article-copy{font-size:12pt}body{background:white;color:black}.lesson-heading h1{font-size:28pt}}
.js-only{display:none}.js .js-only{display:inline-flex}.js .lesson-actions{display:flex}html{scroll-padding-top:100px}#atlas{scroll-margin-top:105px}.progress-note{margin-bottom:22px}.progress-note:empty{display:none}
.menu-toggle,.viewer-controls button{min-height:44px}.art-button:disabled{opacity:1;cursor:default}
@media(max-width:767px){html:not(.js) .site-header{position:static}html:not(.js) .header-inner{height:auto;min-height:66px;flex-wrap:wrap;padding-block:12px}html:not(.js) .site-nav{display:flex;position:static;width:100%;padding:0 0 6px;border:0}html:not(.js) .menu-toggle{display:none}}
.menu-toggle{display:none}@media(max-width:767px){.js .menu-toggle{display:inline-flex}}
@media(max-width:767px){.hero-sheet.second{transform:rotate(6deg) translate(8px,-8px)}}@media(max-width:360px){.brand span:last-child{display:none}.hero h1{font-size:36px}}
.hero h1{font-size:clamp(44px,5vw,72px)}@media(max-width:767px){.hero h1{font-size:clamp(38px,9.6vw,64px)}}@media(max-width:360px){.hero h1{font-size:34px}}
