:root,[data-theme=light]{--color-paper:#f5f1e8;--color-paper-raised:#efeade;--color-paper-card:#fbf8f1;--color-ink:#111111;--color-ink-muted:rgba(17,17,17,0.62);--color-ink-faint:rgba(17,17,17,0.3);--color-ink-hairline:rgba(17,17,17,0.14);--color-ink-hairline-strong:rgba(17,17,17,0.3);--color-ink-divider:rgba(17,17,17,0.15);--color-ink-30:rgba(17,17,17,0.3);--color-ink-40:rgba(17,17,17,0.42);--color-ink-wash:rgba(17,17,17,0.04);--color-ink-wash-strong:rgba(17,17,17,0.06);--color-feedback-correct:#289e4a;--color-feedback-incorrect:#cc2924;--color-seal:#8c1a1a;--color-gold-reserved:#b8994d;--color-surface:#ffffff;--color-surface-alt:#f5f5f5;--color-surface-border:#d4d4d4;--color-surface-border-strong:#a3a3a3;--color-shadow:rgba(10,10,8,1);--color-shadow-soft:rgba(0,0,0,0.12);--emboss-highlight:rgba(255,255,255,0.75);--emboss-shade:rgba(17,17,17,0.06);--emboss-shadow:rgba(17,17,17,0.09);--lift-shadow-near:rgba(17,17,17,0.08);--lift-shadow-far:rgba(17,17,17,0.16);--glare:rgba(255,255,255,0.55);--glare-edge:rgba(255,255,255,0);--ink-glow:rgba(17,17,17,0.1);--color-slab:#fbf8f1;--color-slab-deep:#ede8dc;--slab-edge:rgba(17,17,17,0.42);--color-slab-glass:rgba(251,248,241,0.8);--color-panel-glass:rgba(239,234,222,0.86);--color-scrim:rgba(17,17,17,0.55);--color-veil:rgba(245,241,232,0.8);--field-dot:rgba(17,17,17,0.26);--field-dot-faint:rgba(17,17,17,0.14);--field-star:rgba(17,17,17,0.42);--field-star-faint:rgba(17,17,17,0.24);--field-row:rgba(17,17,17,0.14);--texture-specks:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><g fill='%23111111'><circle cx='14' cy='22' r='0.9' opacity='.12'/><circle cx='61' cy='9' r='0.6' opacity='.09'/><circle cx='118' cy='31' r='1' opacity='.1'/><circle cx='176' cy='14' r='0.7' opacity='.08'/><circle cx='203' cy='58' r='0.9' opacity='.11'/><circle cx='36' cy='71' r='0.6' opacity='.08'/><circle cx='92' cy='84' r='1.1' opacity='.1'/><circle cx='149' cy='66' r='0.6' opacity='.07'/><circle cx='9' cy='121' r='0.8' opacity='.1'/><circle cx='70' cy='131' r='0.7' opacity='.09'/><circle cx='129' cy='118' r='0.6' opacity='.07'/><circle cx='188' cy='109' r='1' opacity='.11'/><circle cx='44' cy='172' r='1' opacity='.1'/><circle cx='104' cy='161' r='0.6' opacity='.08'/><circle cx='159' cy='178' r='0.8' opacity='.09'/><circle cx='211' cy='166' r='0.6' opacity='.07'/><circle cx='22' cy='206' r='0.7' opacity='.09'/><circle cx='84' cy='212' r='0.9' opacity='.1'/><circle cx='139' cy='199' r='0.6' opacity='.07'/><circle cx='196' cy='213' r='1' opacity='.1'/></g></svg>")}[data-theme=dark]{--color-paper:#0e0e0e;--color-paper-raised:#181818;--color-paper-card:#151515;--color-ink:#e6e1d5;--color-ink-muted:rgba(230,225,213,0.66);--color-ink-faint:rgba(230,225,213,0.3);--color-ink-hairline:rgba(230,225,213,0.16);--color-ink-hairline-strong:rgba(230,225,213,0.32);--color-ink-divider:rgba(230,225,213,0.15);--color-ink-30:rgba(230,225,213,0.3);--color-ink-40:rgba(230,225,213,0.48);--color-ink-wash:rgba(230,225,213,0.04);--color-ink-wash-strong:rgba(230,225,213,0.07);--color-feedback-correct:#37ae5c;--color-feedback-incorrect:#d9403a;--color-seal:#a32e2e;--color-gold-reserved:#c9ab66;--color-surface:#1c1b17;--color-surface-alt:#24221c;--color-surface-border:#3d3a30;--color-surface-border-strong:#4d4a3e;--color-shadow:rgba(0,0,0,0.7);--color-shadow-soft:rgba(0,0,0,0.3);--emboss-highlight:rgba(230,225,213,0.16);--emboss-shade:rgba(0,0,0,0.18);--emboss-shadow:rgba(0,0,0,0.35);--lift-shadow-near:rgba(0,0,0,0.5);--lift-shadow-far:rgba(0,0,0,0.8);--glare:rgba(230,225,213,0.12);--glare-edge:rgba(230,225,213,0);--ink-glow:rgba(230,225,213,0.12);--color-slab:#1e1e1e;--color-slab-deep:#070707;--slab-edge:rgba(230,225,213,0.34);--color-slab-glass:rgba(30,30,30,0.7);--color-panel-glass:rgba(24,24,24,0.84);--color-scrim:rgba(0,0,0,0.72);--color-veil:rgba(14,14,14,0.8);--field-dot:rgba(230,225,213,0.26);--field-dot-faint:rgba(230,225,213,0.13);--field-star:rgba(230,225,213,0.5);--field-star-faint:rgba(230,225,213,0.26);--field-row:rgba(230,225,213,0.14);--texture-specks:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><g fill='%23e6e1d5'><circle cx='14' cy='22' r='0.9' opacity='.16'/><circle cx='61' cy='9' r='0.6' opacity='.11'/><circle cx='118' cy='31' r='1' opacity='.13'/><circle cx='176' cy='14' r='0.7' opacity='.1'/><circle cx='203' cy='58' r='0.9' opacity='.14'/><circle cx='36' cy='71' r='0.6' opacity='.1'/><circle cx='92' cy='84' r='1.1' opacity='.13'/><circle cx='149' cy='66' r='0.6' opacity='.09'/><circle cx='9' cy='121' r='0.8' opacity='.13'/><circle cx='70' cy='131' r='0.7' opacity='.11'/><circle cx='129' cy='118' r='0.6' opacity='.09'/><circle cx='188' cy='109' r='1' opacity='.14'/><circle cx='44' cy='172' r='1' opacity='.13'/><circle cx='104' cy='161' r='0.6' opacity='.1'/><circle cx='159' cy='178' r='0.8' opacity='.12'/><circle cx='211' cy='166' r='0.6' opacity='.09'/><circle cx='22' cy='206' r='0.7' opacity='.11'/><circle cx='84' cy='212' r='0.9' opacity='.13'/><circle cx='139' cy='199' r='0.6' opacity='.09'/><circle cx='196' cy='213' r='1' opacity='.13'/></g></svg>")}:root{--font-serif:"Times New Roman",Times,serif;--font-display:var(--font-display-loaded,"Bodoni Moda"),"Bodoni 72","Didot","Bodoni MT","Times New Roman",Times,serif;--radius-xs:2px;--radius-sm:3px;--radius-md:4px;--border-weight:1px;--space-xs:8px;--space-sm:16px;--space-md:24px;--space-lg:48px;--space-xl:80px;--space-section:96px;--space-section-pad-y:56px;--rail-width:220px;--topnav-height:56px;--motion-instant:80ms;--motion-fast:140ms;--motion-base:220ms;--motion-slow:420ms;--motion-reveal:680ms;--motion-feedback:140ms;--motion-disclose:200ms;--motion-enter:300ms;--type-label:14px;--track-label:0.14em;--track-label-wide:0.2em;--ease-snap:cubic-bezier(0.2,0.8,0.2,1);--ease-glide:cubic-bezier(0.25,0.46,0.45,0.94);--ease-in-sharp:cubic-bezier(0.7,0,0.84,0)}@media (min-width:768px){:root{--space-section:112px;--space-section-pad-y:64px}}@media (min-width:1024px){:root{--topnav-height:68px}}:root,[data-theme=dark],[data-theme=light]{--color-bg:var(--color-paper);--color-bg-raised:var(--color-paper-raised);--color-bg-dim:var(--color-paper);--color-dim:var(--color-ink-faint);--color-cream:var(--color-ink);--color-cream-soft:var(--color-ink-muted);--color-cream-dim:var(--color-ink-faint);--color-blood:var(--color-feedback-incorrect);--color-blood-bright:var(--color-feedback-incorrect);--color-blood-deep:var(--color-seal);--color-green:var(--color-feedback-correct);--color-green-bright:var(--color-feedback-correct);--color-green-deep:var(--color-feedback-correct);--color-amber:var(--color-gold-reserved);--color-amber-bright:var(--color-gold-reserved);--color-amber-deep:var(--color-gold-reserved);--color-sage:var(--color-ink-muted);--color-sage-bright:var(--color-ink-muted);--color-sage-deep:var(--color-ink-muted);--color-brass:var(--color-gold-reserved);--color-brass-bright:var(--color-gold-reserved);--color-brass-deep:var(--color-gold-reserved);--shadow-chunk:0 0 0 var(--border-weight) var(--color-ink);--shadow-chunk-lg:0 0 0 var(--border-weight) var(--color-ink);--shadow-chunk-xl:0 0 0 var(--border-weight) var(--color-ink);--scan-strength:0;--grain-strength:0}@keyframes item-enter{0%{opacity:0;transform:translateX(28px);filter:blur(3px)}to{opacity:1;transform:translateX(0);filter:blur(0)}}@keyframes segment-fade-in{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes countdown-shrink{0%{transform:scaleX(1)}to{transform:scaleX(0)}}@keyframes feedback-pulse{0%{box-shadow:inset 0 0 0 0 var(--feedback-color,transparent)}45%{box-shadow:inset 0 0 0 2px var(--feedback-color,transparent)}to{box-shadow:inset 0 0 0 0 var(--feedback-color,transparent)}}@keyframes skeleton-pulse{0%,to{opacity:.4}50%{opacity:.7}}@keyframes page-enter{0%{opacity:0}to{opacity:1}}@media (prefers-reduced-motion:reduce){:root{--motion-instant:0ms;--motion-fast:0ms;--motion-base:0ms;--motion-slow:0ms;--motion-reveal:0ms;--motion-feedback:0ms;--motion-disclose:0ms;--motion-enter:0ms}@keyframes item-enter{0%,to{opacity:1;transform:none;filter:none}}@keyframes segment-fade-in{0%,to{opacity:1;transform:none}}@keyframes countdown-shrink{0%{transform:scaleX(1)}to{transform:scaleX(0)}}@keyframes feedback-pulse{0%{box-shadow:inset 0 0 0 2px var(--feedback-color,transparent)}to{box-shadow:inset 0 0 0 0 var(--feedback-color,transparent)}}@keyframes skeleton-pulse{0%,to{opacity:.5}}@keyframes page-enter{0%{opacity:1}to{opacity:1}}}.society-mark{display:inline-block;vertical-align:middle;overflow:visible}.society-wordmark{display:inline-block;line-height:0;color:var(--color-ink);max-width:100%;-moz-user-select:none;user-select:none;-webkit-user-select:none}.society-wordmark__svg{height:2.712em;width:auto;max-width:100%;overflow:visible;font-family:var(--font-display)}.society-wordmark__the{font-size:26px;font-weight:500}.society-wordmark__name{font-size:118px;font-weight:700}.society-wordmark__society{font-size:30px;font-weight:500}.society-wordmark.is-animated .society-mark__delta{animation:sw-rise .72s var(--ease-glide) both}.society-wordmark.is-animated .society-mark__tail{animation:sw-wipe .62s var(--ease-snap) .46s both}.society-wordmark.is-animated .society-mark__plus{animation:sw-stamp .38s var(--ease-snap) .9s both;transform-box:fill-box;transform-origin:center}.society-wordmark.is-animated .society-wordmark__the{animation:sw-fade .52s var(--ease-glide) .52s both}.society-wordmark.is-animated .society-wordmark__letter{animation:sw-fade .46s var(--ease-glide) both;animation-delay:calc(.64s + var(--i, 0) * 34ms)}.society-wordmark.is-animated .society-wordmark__society{animation:sw-fade .52s var(--ease-glide) 1.18s both}.society-wordmark.is-animated .society-wordmark__rule{animation:sw-inscribe .68s var(--ease-snap) 1.22s both;transform-box:fill-box}.society-wordmark.is-animated .society-wordmark__rule--l{transform-origin:right center}.society-wordmark.is-animated .society-wordmark__rule--r{transform-origin:left center}@keyframes sw-rise{0%{clip-path:inset(100% 0 0 0)}to{clip-path:inset(0 0 0 0)}}@keyframes sw-wipe{0%{clip-path:inset(0 100% 0 0)}to{clip-path:inset(0 0 0 0)}}@keyframes sw-stamp{0%{opacity:0;transform:scale(1.7)}to{opacity:1;transform:scale(1)}}@keyframes sw-fade{0%{fill-opacity:0}to{fill-opacity:1}}@keyframes sw-inscribe{0%{transform:scaleX(0)}to{transform:scaleX(1)}}@media (prefers-reduced-motion:reduce){.society-wordmark.is-animated *{animation:none!important}}.topnav{background-color:var(--color-panel-glass);background-image:var(--texture-specks);background-size:220px 220px;border-bottom:1px solid var(--slab-edge);box-shadow:inset 0 1px 0 var(--emboss-highlight),0 16px 40px -28px var(--lift-shadow-far)}.topnav-trigger{font-size:12.5px;padding:0 18px}.topnav-trigger-label{letter-spacing:.24em;padding-bottom:6px}.topnav-trigger-caret{color:var(--color-ink-40)}.topnav-group+.topnav-group:before{background:var(--color-ink-hairline-strong)}.topnav-group.is-open:after{width:340px;height:14px}.topnav-dateline{color:var(--color-ink-40)}.topnav-panel{top:calc(100% + 8px);width:320px;background-color:var(--color-slab);background-image:var(--texture-specks);background-size:220px 220px;border:1px solid var(--slab-edge);border-radius:var(--radius-md);box-shadow:inset 0 1px 0 var(--emboss-highlight),inset 0 -1px 0 var(--emboss-shade),0 2px 4px var(--lift-shadow-near),0 34px 70px -30px var(--lift-shadow-far);padding:0 0 8px;transform:translateY(-6px);transition:opacity .26s var(--ease-glide),transform .32s var(--ease-glide)}[data-theme=dark] .topnav-panel{box-shadow:inset 0 1px 0 var(--emboss-highlight),0 2px 4px var(--lift-shadow-near),0 34px 70px -30px var(--lift-shadow-far)}.topnav-panel:after,.topnav-panel:before{content:"";position:absolute;width:10px;height:10px;border:0 solid var(--color-ink);pointer-events:none}.topnav-panel:before{top:5px;left:5px;border-top-width:1.5px;border-left-width:1.5px}.topnav-panel:after{bottom:5px;right:5px;border-bottom-width:1.5px;border-right-width:1.5px}.topnav-panel-head{padding:13px 20px 10px;font-family:var(--font-display);font-variant:normal;text-transform:uppercase;letter-spacing:.34em;font-size:10.5px;color:var(--color-ink-40);border-bottom-color:var(--color-ink-hairline-strong)}.topnav-panel li{opacity:0;transform:translateY(4px)}.topnav-panel.is-open li{animation:topnav-item-in .42s var(--ease-glide) both;animation-delay:calc(60ms + var(--i, 0) * 45ms)}@keyframes topnav-item-in{to{opacity:1;transform:none}}.topnav-panel-item{padding:10px 20px}.topnav-panel-item:hover{background:var(--color-slab-glass)}.topnav-panel-label{font-size:12.5px;letter-spacing:.18em}.topnav-panel-blurb{font-size:12.5px}.theme-flap{border-color:var(--slab-edge);background:var(--color-slab);border-radius:var(--radius-sm);box-shadow:inset 0 1px 0 var(--emboss-highlight)}.topnav-drawer{background-color:var(--color-paper-raised);background-image:var(--texture-specks);background-size:220px 220px;border-right:1px solid var(--slab-edge);box-shadow:30px 0 60px -30px var(--lift-shadow-far)}.topnav-drawer-item.is-active,.topnav-drawer-item:hover{background:var(--color-slab-glass)}.institution-rail{background-color:var(--color-panel-glass);background-image:var(--texture-specks);background-size:220px 220px;border-right:1px solid var(--slab-edge);box-shadow:inset -1px 0 0 var(--color-ink-wash),18px 0 40px -34px var(--lift-shadow-far);gap:22px}.rail-block--figure .rail-figure{font-family:var(--font-display);font-size:26px;line-height:1;font-variant-numeric:tabular-nums;display:flex;align-items:baseline;gap:8px}.rail-pulse{background:var(--color-ink);color:var(--color-ink)}.folio-numeral{font-family:var(--font-display);font-size:22px!important;letter-spacing:.06em!important;font-variant:normal!important}.rail-spine{display:flex;flex-direction:column;gap:6px;margin-top:8px}.rail-spine__mark{display:block;height:2px;width:14px;background:var(--color-ink);opacity:.22;transform-origin:left center;transition:width .42s var(--ease-snap),opacity .3s var(--ease-glide)}.rail-spine__mark.is-current{width:40px;opacity:1}.rail-spine__mark.is-past{opacity:.6}.rail-colophon{color:var(--color-ink-40)!important}.mobile-rail-strip{border-bottom:1px solid var(--slab-edge)}.institution-footer,.mobile-rail-strip{background-color:var(--color-panel-glass);background-image:var(--texture-specks);background-size:220px 220px}.institution-footer{border-top:1px solid var(--slab-edge);box-shadow:inset 0 1px 0 var(--emboss-highlight)}@media (min-width:1024px){.institution-footer-inner{display:grid;grid-template-columns:auto minmax(0,1fr) minmax(0,1.2fr) minmax(0,1fr);grid-template-areas:"mark colophon links legal" "mark errata errata errata";align-items:start;gap:10px 28px;padding:26px var(--space-md) 28px}.institution-footer-mark{grid-area:mark}.institution-footer-colophon{grid-area:colophon;white-space:normal;line-height:1.9}.institution-footer-links{grid-area:links}.institution-footer-disclaimer{grid-area:legal;max-width:none;justify-self:end;text-align:right}.institution-footer-errata{grid-area:errata;margin-top:6px}}.institution-footer-link{opacity:.85;position:relative}.institution-footer-link:after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:var(--color-ink);transform:scaleX(0);transform-origin:right;transition:transform .32s var(--ease-snap)}.institution-footer-link:hover:after{transform:scaleX(1);transform-origin:left}.institution-footer-mark{color:var(--color-ink)}