.ludo-site-header{--menu-paper:#f0eee4;--menu-ink:#20372e;--menu-muted:#53665b;--menu-rule:#c9cec0;--menu-green:#10221e;--menu-brass:#cfb47c;--menu-hover:#e3e7db;--menu-clearance:116px}.ludo-site-header nav>.ludo-nav-group>:is(a,button){border-radius:0;border-color:transparent;background:transparent;box-shadow:none;position:relative}.ludo-nav-group>:is(a,button):after{content:"";position:absolute;inset:auto 8px 3px;height:1px;background:var(--menu-brass);transform:scaleX(0);transform-origin:left;transition:transform .16s ease}.ludo-site-header nav>.ludo-nav-group>[aria-expanded=true]{color:var(--menu-brass)}.ludo-nav-group>[aria-expanded=true]:after{transform:scaleX(1)}.ludo-nav-group>:is(a,button)>svg:last-child{transition:transform .16s ease}.ludo-nav-group>[aria-expanded=true]>svg:last-child{transform:rotate(180deg)}.ludo-dropdown{position:absolute;top:100%;left:-12px;z-index:50;width:400px;max-width:calc(100vw - 32px);padding-top:12px;font-family:var(--font-body);text-align:left;animation:ludo-menu-appear .16s ease-out both}.ludo-site-header[data-home] .ludo-dropdown:not([data-menu=pillars]){padding-top:26px}.ludo-dropdown:is([data-menu=treatises],[data-menu=lexicon],[data-menu=backbone]){right:-12px;left:auto}.ludo-site-header nav>.ludo-nav-group:first-child{position:static}.ludo-dropdown[data-menu=pillars]{width:1160px;max-width:calc(100vw - 48px);left:max(24px,calc((100vw - 1280px) / 2));padding-top:10px}.ludo-menu-surface{border:1px solid var(--menu-rule);border-radius:3px;background:var(--menu-paper);color:var(--menu-ink);box-shadow:0 18px 45px #0005,0 3px 8px #0002;max-height:calc(100dvh - var(--menu-clearance));overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:var(--menu-muted) var(--menu-paper)}.ludo-menu-surface a{color:var(--menu-ink);transition:background .12s ease,color .12s ease}.ludo-site-header .ludo-menu-surface a:focus-visible,.ludo-site-header .ludo-mobile-menu :is(a,summary):focus-visible{outline:2px solid var(--menu-muted);outline-offset:-2px;border-radius:2px}.ludo-menu-small{padding:12px 18px 16px}.ludo-menu-small svg{width:16px;height:16px;flex-shrink:0;color:var(--menu-muted);stroke-width:1.5px}.ludo-menu-overview{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 8px 18px;margin-bottom:8px;border-bottom:1px solid var(--menu-rule);font-family:var(--font-heading);font-size:24px;font-weight:600;line-height:1.15;letter-spacing:-.025em}.ludo-menu-overview>span:first-child>svg{display:none}.ludo-menu-overview:hover{background:var(--menu-hover)}.ludo-menu-count{flex-shrink:0;font:10px/1.5 var(--font-code);letter-spacing:0;color:var(--menu-muted);border-left:1px solid var(--menu-rule);padding-left:14px}.ludo-menu-label{display:block;padding:8px 8px 6px;color:var(--menu-muted);font:9px/1.6 var(--font-code);letter-spacing:.09em;text-transform:uppercase}.ludo-menu-link{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:48px;padding:11px 8px;border-bottom:1px solid color-mix(in srgb,var(--menu-rule) 60%,transparent);font-size:13px;line-height:1.4}.ludo-menu-link:last-child{border-bottom-color:transparent}.ludo-menu-link:hover,.ludo-menu-pillar:is(:hover,:focus-visible,[data-preview],[aria-current=page]){background:var(--menu-hover)}.ludo-menu-meta{max-width:112px;flex-shrink:0;text-align:right;font:9px/1.6 var(--font-code);color:var(--menu-muted)}.ludo-menu-essay{align-items:flex-start;justify-content:flex-start;gap:12px;padding-block:13px}.ludo-menu-essay>svg{margin-top:3px}.ludo-menu-title{color:var(--menu-ink);font-size:14px;font-weight:600}.ludo-menu-description{margin-top:3px;color:var(--menu-muted);font-size:11px;line-height:1.5}.ludo-menu-atlas{display:grid;grid-template-columns:minmax(0,1fr) 292px}.ludo-menu-directory{padding:24px 28px 16px;min-width:0}.ludo-menu-intro{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:20px}.ludo-menu-intro h2{font:500 30px/1 var(--font-heading);letter-spacing:-.025em;color:var(--menu-ink)}.ludo-menu-intro>span{color:var(--menu-muted);font:9px/1.6 var(--font-code)}.ludo-menu-columns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 24px}.ludo-menu-category h3{margin-bottom:6px;padding-bottom:9px;border-bottom:1px solid var(--menu-rule);color:var(--menu-ink);font:600 20px/1.15 var(--font-heading);letter-spacing:-.01em}.ludo-menu-pillar{display:grid;grid-template-columns:17px minmax(0,1fr) 12px;align-items:center;gap:10px;padding:7px;min-height:38px}.ludo-menu-pillar-icon svg{width:16px;height:16px;stroke-width:1.5px;color:var(--menu-muted)}.ludo-menu-pillar-copy>span{display:block;font:500 13px/1.4 var(--font-body)}.ludo-menu-pillar-copy small{display:none}.ludo-menu-row-arrow{width:12px;height:12px;color:var(--menu-muted);opacity:0}.ludo-menu-pillar:is(:hover,:focus-visible,[data-preview],[aria-current]) .ludo-menu-row-arrow{opacity:1}.ludo-menu-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 16px;margin-top:18px;padding-top:12px;border-top:1px solid var(--menu-rule);color:var(--menu-muted);font:9px/1.6 var(--font-code)}.ludo-menu-bottom a{min-height:28px}.ludo-menu-feature{display:flex;flex-direction:column;align-items:stretch;gap:22px;padding:28px 26px;background:var(--menu-green);color:var(--menu-paper)}.ludo-menu-feature-label{font:9px/1.6 var(--font-code);text-transform:uppercase;letter-spacing:.08em;color:var(--menu-brass)}.ludo-menu-feature-label span{display:block;margin-top:4px;color:#aab7ad;font-size:9px;text-transform:none;letter-spacing:0}.ludo-menu-art{position:relative;height:185px;width:100%}.ludo-menu-art-piece{position:absolute;width:65%;height:85%;left:0;top:10%}.ludo-menu-art-piece img{object-fit:contain}.ludo-menu-art-piece--1{left:auto;right:0;top:20%}.ludo-menu-art-piece--2{width:26%;height:82%;left:38%;top:0}.ludo-menu-art[data-family="1"] .ludo-menu-art-piece--0{width:53%;top:23%}.ludo-menu-art[data-family="1"] .ludo-menu-art-piece--1{top:0;width:65%}.ludo-menu-art[data-family="2"] .ludo-menu-art-piece--0{width:100%;height:100%;top:0}.ludo-menu-art[data-family="2"] .ludo-menu-art-piece--1{width:20%;height:30%;top:auto;bottom:0}.ludo-menu-art[data-family="3"] .ludo-menu-art-piece--0{width:94%;top:0}.ludo-menu-art[data-family="3"] .ludo-menu-art-piece--1{width:22%;height:30%;top:auto;bottom:0;right:10%}.ludo-menu-art[data-family="3"] .ludo-menu-art-piece--2{width:25%;height:25%;top:auto;bottom:0;left:28%}.ludo-menu-feature-copy h3{font:500 29px/1.05 var(--font-heading);color:var(--menu-paper);margin-bottom:10px}.ludo-menu-feature-copy p{color:#aab7ad;font:13px/1.65 var(--font-body)}.ludo-menu-surface .ludo-menu-feature-link{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:48px;padding:12px 0;border-block:1px solid #3b5146;font-size:12px;color:var(--menu-brass);margin-top:auto}.ludo-menu-feature-link svg{width:16px;height:16px}.ludo-menu-surface .ludo-menu-feature-link:hover{color:var(--menu-paper)}.ludo-site-header .ludo-menu-feature-link:focus-visible{outline-color:var(--menu-brass)}.ludo-mobile-menu{padding:12px 22px 24px;max-height:calc(100dvh - 86px);overflow-y:auto;overscroll-behavior:contain;background:var(--menu-paper);color:var(--menu-ink);border-top:1px solid var(--menu-rule);font-family:var(--font-body);scrollbar-width:thin;box-shadow:0 14px 24px #0003}.ludo-site-header:not([data-home]) .ludo-mobile-menu{max-height:calc(100dvh - 160px)}.ludo-mobile-intro{display:flex;align-items:center;justify-content:space-between;min-height:40px;color:var(--menu-muted);font:9px/1.5 var(--font-code)}.ludo-mobile-group{border-top:1px solid var(--menu-rule)}.ludo-mobile-group summary{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:66px;padding-block:15px;list-style:none;cursor:pointer;font:600 23px/1.05 var(--font-heading)}.ludo-mobile-group summary::-webkit-details-marker{display:none}.ludo-mobile-count{display:flex;align-items:center;gap:10px;color:var(--menu-muted);font:10px/1 var(--font-code)}.ludo-mobile-count svg{width:14px;height:14px;transition:transform .16s ease}.ludo-mobile-group[open] .ludo-mobile-count svg{transform:rotate(180deg)}.ludo-mobile-links{padding-bottom:14px}.ludo-mobile-links a{display:grid;grid-template-columns:18px minmax(0,1fr) 14px;align-items:center;gap:12px;min-height:58px;padding:8px 5px;color:var(--menu-ink)}.ludo-mobile-links a:is(:hover,[aria-current=page]){background:var(--menu-hover)}.ludo-mobile-links svg{width:16px;height:16px;stroke-width:1.5px;color:var(--menu-muted)}.ludo-mobile-links strong{display:block;font-size:14px;line-height:1.4;font-weight:500}.ludo-mobile-links small{display:block;margin-top:3px;color:var(--menu-muted);font:9px/1.4 var(--font-code)}.ludo-mobile-collections{display:grid;gap:0;border-top:1px solid var(--menu-rule);margin-top:4px;padding-top:12px}.ludo-mobile-collections a{display:flex;align-items:center;gap:12px;min-height:48px;border-radius:0;background:transparent;color:var(--menu-ink);font:500 14px/1.4 var(--font-body);padding-inline:5px}.ludo-mobile-collections svg{width:16px;height:16px;color:var(--menu-muted)}.ludo-mobile-collections a:after{content:"↗";margin-left:auto;color:var(--menu-muted)}.ludo-mobile-collections a:hover{background:var(--menu-hover)}@media (min-width:761px) and (max-width:1250px){.ludo-site-header[data-home]{--menu-clearance:178px}}@media (min-width:761px){.ludo-site-header[data-home] .ludo-mobile-menu{display:none}}@media (min-width:1024px) and (max-width:1250px){.ludo-site-header:not([data-home]){--menu-clearance:192px}.ludo-site-header:not([data-home])>div:first-child{height:auto;min-height:64px;flex-wrap:wrap;padding-block:12px;row-gap:10px}.ludo-site-header:not([data-home]) nav{width:100%;order:3;justify-content:space-between}.ludo-site-header:not([data-home])>div:first-child>div:last-child{margin-left:auto}}@media (min-width:761px) and (max-width:1050px){.ludo-menu-atlas{grid-template-columns:minmax(0,1fr) 230px}.ludo-menu-directory{padding:22px 20px 14px}.ludo-menu-columns{gap:20px 16px}.ludo-menu-pillar{gap:7px;padding-inline:3px}.ludo-menu-feature{padding:24px 20px}}@keyframes ludo-menu-appear{0%{opacity:0;translate:0 5px}to{opacity:1;translate:0 0}}@media (prefers-reduced-motion:reduce){.ludo-dropdown{animation:none}.ludo-menu-surface a,.ludo-mobile-count svg,.ludo-nav-group>:is(a,button):after,.ludo-nav-group>:is(a,button)>svg:last-child{transition:none}}.ludo-site-header nav>.ludo-nav-group{position:static}.ludo-site-header .ludo-dropdown,.ludo-site-header .ludo-dropdown[data-menu=pillars],.ludo-site-header[data-home] .ludo-dropdown:not([data-menu=pillars]){left:50%;right:auto;width:1000px;max-width:calc(100vw - 48px);transform:translateX(-50%);padding-top:10px}.ludo-site-header .ludo-dropdown[data-menu=pillars]{width:1160px}.ludo-picker{display:grid;grid-template-columns:minmax(0,1fr) 340px;font-family:var(--font-body)}.ludo-picker-directory{display:flex;flex-direction:column;min-width:0;padding:26px 28px 20px}.ludo-picker .ludo-menu-intro{margin-bottom:10px}.ludo-picker-hint{color:var(--menu-muted);font:11px/1.5 var(--font-body);margin:0 0 20px}.ludo-picker-list--atlas{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.ludo-picker-section{min-width:0}.ludo-picker-section>h3{margin:0 0 7px;padding-bottom:9px;border-bottom:1px solid var(--menu-rule);color:var(--menu-ink);font:600 20px/1.15 var(--font-heading)}.ludo-picker-row{display:flex;align-items:stretch;position:relative;border-bottom:1px solid color-mix(in srgb,var(--menu-rule) 65%,transparent)}.ludo-picker-row:last-child{border-bottom:0}.ludo-picker-row[data-preview]{background:var(--menu-hover)}.ludo-picker-row[data-preview]:before{content:"";width:2px;position:absolute;inset:12px auto 12px 0;background:var(--menu-muted)}.ludo-picker-row>a{display:flex;align-items:center;justify-content:space-between;gap:18px;flex:1;min-width:0;min-height:72px;padding:13px 12px;color:var(--menu-ink)}.ludo-picker-row-copy{min-width:0}.ludo-picker-row strong{display:block;font-size:14px;font-weight:500;line-height:1.35}.ludo-picker-row small{display:block;color:var(--menu-muted);font-size:11px;line-height:1.5;margin-top:4px}.ludo-picker-row a>svg{width:14px;height:14px;flex-shrink:0;opacity:0}.ludo-picker-row:is([data-preview],:focus-within) a>svg{opacity:1}.ludo-picker-list--atlas .ludo-picker-row>a{min-height:40px;padding:9px 8px}.ludo-picker-list--atlas .ludo-picker-row strong{font-size:13px}.ludo-picker-list--atlas .ludo-picker-row small{display:none}.ludo-picker .ludo-menu-bottom{margin-top:auto;padding-top:16px}.ludo-picker-list{margin-bottom:20px}.ludo-picker .ludo-menu-bottom a{display:inline-flex;align-items:center;gap:10px;min-height:40px;font-size:11px}.ludo-menu-bottom a>svg{width:14px;height:14px}.ludo-picker-spotlight{min-width:0;background:var(--menu-green)}.ludo-picker-spotlight>.ludo-menu-feature{min-height:100%}.ludo-picker .ludo-menu-feature{gap:18px;padding:26px}.ludo-picker .ludo-menu-art{height:154px;flex-shrink:0}.ludo-picker .ludo-menu-feature-copy h3{font-size:28px}.ludo-picker .ludo-menu-feature-copy p{font-size:13px;line-height:1.6}.ludo-picker .ludo-menu-feature-link{display:flex;align-items:center;justify-content:space-between;min-height:48px;gap:12px;color:var(--menu-brass);margin-top:auto;border-block:1px solid #3b5146;padding-block:12px;font-size:12px}.ludo-picker-elements{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.ludo-picker-elements>div{border:1px solid #3b5146;padding:9px 6px}.ludo-picker-elements strong{display:block;font:500 30px/1.1 var(--font-heading);color:var(--menu-brass)}.ludo-picker-elements span{display:block;color:var(--menu-paper);font-size:10px;line-height:1.3;margin-top:5px}.ludo-picker-facts{margin:0;padding:0;font-size:11px;line-height:1.5}.ludo-picker-facts>div{border-top:1px solid #3b5146;padding-block:8px}.ludo-picker-facts dt{font:9px/1.5 var(--font-code);color:#aab7ad;margin-bottom:3px}.ludo-picker-facts dd{margin:0;color:var(--menu-paper)}.ludo-picker-mobile{display:block}.ludo-picker-mobile .ludo-picker-directory{padding:0 0 18px}.ludo-picker-mobile .ludo-picker-hint{margin-bottom:12px}.ludo-picker-mobile .ludo-picker-list--atlas{display:block}.ludo-picker-mobile .ludo-picker-section>h3{font-size:20px;margin-top:16px}.ludo-picker-mobile .ludo-picker-row>a{min-height:60px;padding:12px 8px;gap:6px}.ludo-picker-mobile .ludo-picker-row a>svg{display:none}.ludo-picker-mobile .ludo-picker-row small{display:block}.ludo-picker-peek{display:flex;align-items:center;justify-content:center;align-self:center;width:44px;min-width:44px;height:44px;color:var(--menu-muted);border-left:1px solid var(--menu-rule);cursor:pointer}.ludo-picker-peek svg{width:17px;height:17px}.ludo-picker-peek[aria-expanded=true]{color:var(--menu-ink);background:var(--menu-hover)}.ludo-picker-inline-preview{margin:8px 0 16px}.ludo-picker-mobile .ludo-menu-feature{padding:20px;gap:14px}.ludo-picker-mobile .ludo-menu-art{height:96px;max-width:220px;margin-inline:auto}.ludo-picker-mobile .ludo-menu-feature-copy p{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:5;overflow:hidden}.ludo-picker-mobile .ludo-picker-facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 14px}.ludo-picker-mobile .ludo-picker-facts>div:last-child:nth-child(odd){grid-column:1/-1}.ludo-mobile-group summary>span:first-child{text-transform:capitalize}.ludo-picker :is(a,button):focus-visible{outline:2px solid var(--menu-muted);outline-offset:-2px}.ludo-picker .ludo-menu-feature-link:focus-visible{outline-color:var(--menu-brass)}@media (min-width:761px) and (max-width:1050px){.ludo-picker{grid-template-columns:minmax(0,1fr) 260px}.ludo-picker-directory{padding:22px 18px 16px}.ludo-picker-list--atlas{gap:18px 12px}.ludo-picker-section>h3{font-size:18px}.ludo-picker .ludo-menu-feature{padding:22px 18px}.ludo-picker .ludo-menu-feature-copy h3{font-size:26px}}@media (max-height:780px) and (min-width:761px){.ludo-picker .ludo-menu-art{height:112px}}@media (prefers-reduced-motion:reduce){.ludo-picker a{transition:none}}