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.siteHeader-module__ke-RGG__siteHeader{z-index:50;background:var(--card);border-bottom:2px solid #0000;border-image:linear-gradient(to right, var(--book), var(--screen)) 1;position:sticky;top:0;box-shadow:0 1px 8px #16181d0f}.siteHeader-module__ke-RGG__siteHeaderInner{max-width:80rem;min-height:calc(var(--masthead-h) - 2px);box-sizing:border-box;justify-content:space-between;align-items:center;gap:1rem;margin:0 auto;padding:.35rem clamp(.75rem,2vw,1.5rem);display:flex}.siteHeader-module__ke-RGG__siteLogo{font-family:var(--sans);letter-spacing:-.02em;white-space:nowrap;align-items:center;font-size:1.35rem;font-weight:700;line-height:1;text-decoration:none;display:inline-flex}.siteHeader-module__ke-RGG__siteLogo .siteHeader-module__ke-RGG__siteLogoMark{flex:none;width:1.9rem;height:1.9rem;margin-right:.4rem}.siteHeader-module__ke-RGG__siteLogo .siteHeader-module__ke-RGG__siteLogoBook{color:var(--book)}.siteHeader-module__ke-RGG__siteLogo .siteHeader-module__ke-RGG__siteLogoScreen{color:var(--screen)}.siteHeader-module__ke-RGG__visuallyHidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.siteHeader-module__ke-RGG__headerSearch{flex:0 18rem;align-items:center;min-width:10rem;display:flex;position:relative}.siteHeader-module__ke-RGG__headerSearch svg{width:.95rem;height:.95rem;color:var(--quiet-button-text);pointer-events:none;position:absolute;left:.6rem}.siteHeader-module__ke-RGG__headerSearch input{width:100%;font:inherit;color:var(--ink);background:var(--quiet-button);border:1px solid var(--quiet-button-line);border-radius:999px;padding:.38rem .7rem .38rem 1.95rem;font-size:.86rem}.siteHeader-module__ke-RGG__headerSearch input::placeholder{color:var(--soft)}.siteHeader-module__ke-RGG__headerSearch input:focus{border-color:var(--chosen);background:var(--card);outline:none}.siteHeader-module__ke-RGG__headerSearch.siteHeader-module__ke-RGG__headerSearchInMenu{flex:none;margin:.15rem .15rem .35rem}.siteHeader-module__ke-RGG__siteNav{display:none}.siteHeader-module__ke-RGG__siteNavLinks{gap:.3rem;display:flex}.siteHeader-module__ke-RGG__siteNavLink,.siteHeader-module__ke-RGG__siteNavUsername{color:var(--soft);white-space:nowrap;border-radius:6px;padding:.35rem .6rem;font-size:.88rem;font-weight:500;text-decoration:none}.siteHeader-module__ke-RGG__siteNavLink:hover,.siteHeader-module__ke-RGG__siteNavUsername:hover{color:var(--chosen);background:var(--quiet-button)}.siteHeader-module__ke-RGG__siteNavLink.siteHeader-module__ke-RGG__siteNavLinkCurrent,.siteHeader-module__ke-RGG__siteNavUsername.siteHeader-module__ke-RGG__siteNavLinkCurrent{color:var(--chosen);background:var(--quiet-button);font-weight:600}.siteHeader-module__ke-RGG__siteNavUsername{color:var(--ink);font-weight:600}.siteHeader-module__ke-RGG__siteNavAccount{align-items:center;gap:.3rem;display:flex}.siteHeader-module__ke-RGG__siteNavAccount form{margin:0;display:flex}.siteHeader-module__ke-RGG__siteNavSignOut{font:inherit;color:var(--soft);border:1px solid var(--line2);cursor:pointer;background:0 0;border-radius:6px;padding:.25rem .6rem;font-size:.8rem}.siteHeader-module__ke-RGG__siteNavSignOut:hover{color:var(--chosen);border-color:var(--chosen)}.siteHeader-module__ke-RGG__siteNavSignIn,.siteHeader-module__ke-RGG__mobileNavSignIn{color:var(--oncolour);background:var(--chosen);white-space:nowrap;border-radius:6px;padding:.38rem .9rem;font-size:.86rem;font-weight:600;text-decoration:none}.siteHeader-module__ke-RGG__siteNavSignIn:hover,.siteHeader-module__ke-RGG__mobileNavSignIn:hover{background:var(--chosen-hover)}.siteHeader-module__ke-RGG__accountWaiting{visibility:hidden}.siteHeader-module__ke-RGG__mobileNav{align-items:center;gap:.6rem;display:flex;position:relative}.siteHeader-module__ke-RGG__mobileNavUsername{color:var(--ink);white-space:nowrap;font-size:.86rem;font-weight:600;text-decoration:none}.siteHeader-module__ke-RGG__mobileNavUsername:hover{color:var(--chosen)}.siteHeader-module__ke-RGG__mobileNavSignIn{padding:.32rem .75rem;font-size:.84rem}.siteHeader-module__ke-RGG__mobileNavToggle{width:2.1rem;height:2.1rem;color:var(--soft);cursor:pointer;background:0 0;border:none;border-radius:6px;place-items:center;padding:0;display:grid}.siteHeader-module__ke-RGG__mobileNavToggle:hover,.siteHeader-module__ke-RGG__mobileNavToggle[aria-expanded=true]{color:var(--chosen);background:var(--quiet-button)}.siteHeader-module__ke-RGG__mobileNavToggle:focus-visible{outline:2px solid var(--focus);outline-offset:1px}.siteHeader-module__ke-RGG__mobileNavToggle svg{width:1.15rem;height:1.15rem}.siteHeader-module__ke-RGG__mobileNavPanel{background:var(--card);border:1px solid var(--line2);min-width:15rem;box-shadow:0 6px 18px #16181d1f, 0 1px 3px var(--shade);border-radius:10px;flex-direction:column;padding:.4rem;display:flex;position:absolute;top:calc(100% + .5rem);right:0}.siteHeader-module__ke-RGG__mobileNavPanel a,.siteHeader-module__ke-RGG__mobileNavPanel button{font:inherit;text-align:left;color:var(--ink);cursor:pointer;background:0 0;border:none;border-radius:6px;padding:.6rem .65rem;font-size:.92rem;text-decoration:none}.siteHeader-module__ke-RGG__mobileNavPanel a:hover,.siteHeader-module__ke-RGG__mobileNavPanel button:hover{color:var(--chosen);background:var(--quiet-button)}.siteHeader-module__ke-RGG__mobileNavPanel a:focus-visible,.siteHeader-module__ke-RGG__mobileNavPanel button:focus-visible{outline:2px solid var(--focus);outline-offset:-2px}.siteHeader-module__ke-RGG__mobileNavPanel form[role=search]{display:flex}.siteHeader-module__ke-RGG__mobileNavPanel form:not([role=search]){margin:0;display:flex}.siteHeader-module__ke-RGG__mobileNavPanel form:not([role=search]) button{width:100%;color:var(--soft)}@media (min-width:64rem){.siteHeader-module__ke-RGG__siteNav{flex:1;justify-content:flex-end;align-items:center;gap:.9rem;display:flex}.siteHeader-module__ke-RGG__mobileNav{display:none}.siteHeader-module__ke-RGG__siteHeaderInner{padding:.5rem clamp(.75rem,2vw,1.5rem)}}
.siteFooter-module__U5eZNa__siteFooter{border-top:1px solid var(--line2);background:var(--card2);margin-top:2rem;padding:1.6rem clamp(.75rem,2vw,1.5rem) 2rem}.siteFooter-module__U5eZNa__siteFooterInner{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.8rem 1.6rem;max-width:80rem;margin:0 auto;display:flex}.siteFooter-module__U5eZNa__siteFooterLogo{font-family:var(--sans);letter-spacing:-.02em;white-space:nowrap;align-items:center;font-size:1.15rem;font-weight:700;line-height:1;text-decoration:none;display:inline-flex}.siteFooter-module__U5eZNa__siteFooterLogoMark{flex:none;width:1.6rem;height:1.6rem;margin-right:.35rem}.siteFooter-module__U5eZNa__siteFooterLogoBook{color:var(--book)}.siteFooter-module__U5eZNa__siteFooterLogoScreen{color:var(--screen)}.siteFooter-module__U5eZNa__siteFooterLinks{flex-wrap:wrap;gap:.4rem 1.2rem;margin:0;padding:0;list-style:none;display:flex}.siteFooter-module__U5eZNa__siteFooterLinks a{color:var(--soft);font-size:.88rem;text-decoration:none}.siteFooter-module__U5eZNa__siteFooterLinks a:hover{color:var(--chosen);text-decoration:underline}.siteFooter-module__U5eZNa__siteFooterNote{color:var(--faint);flex-basis:100%;margin:0;font-size:.78rem}.siteFooter-module__U5eZNa__siteFooterNote+.siteFooter-module__U5eZNa__siteFooterNote{margin-top:-.5rem}.siteFooter-module__U5eZNa__siteFooterNote a{color:var(--soft)}.siteFooter-module__U5eZNa__siteFooterNote a:hover{color:var(--chosen)}
:root{--bg:#f1f3f5;--card:#fff;--card2:#f7f8fa;--line:#e6e8ec;--line2:#d2d6dd;--ink:#16181d;--soft:#555c66;--faint:#878e99;--shade:#16181d0f;--rule:#16181d66;--glass:#ffffffb3;--book:#9e2b25;--screen:#234c8a;--bookbg:#f0e5e2;--bookline:#dccbc6;--screenbg:#e5eaf0;--screenline:#cdd5df;--book-surface:linear-gradient(180deg, color-mix(in srgb, var(--bookbg) 45%, var(--card)) 0%, var(--bookbg) 75%);--screen-surface:linear-gradient(180deg, color-mix(in srgb, var(--screenbg) 45%, var(--card)) 0%, var(--screenbg) 75%);--book-lift:0 1px 2px var(--shade), 0 10px 22px -12px color-mix(in srgb, var(--book) 40%, transparent);--screen-lift:0 1px 2px var(--shade), 0 10px 22px -12px color-mix(in srgb, var(--screen) 40%, transparent);--card-lift:0 1px 2px var(--shade), 0 10px 22px -12px #16181d38;--ivory:#fbf6ec;--book-light:#d03d35;--book-dark:#5c1916;--screen-light:#3069bf;--screen-dark:#122849;--book-fill:linear-gradient(to right, var(--book-dark), var(--book-light));--screen-fill:linear-gradient(to right, var(--screen-light), var(--screen-dark));--tie:#6c737f;--band-start:#1e2733;--band-end:#57697c;--bandtext:#fff;--ok:#2f6b45;--bad:#9e2b25;--oncolour:#fff;--focus:#16181d;--action-fill:linear-gradient(to right, var(--book), var(--screen));--action-fill-hover:linear-gradient(to right, var(--book-dark), var(--screen-dark));--chosen:var(--screen);--chosen-hover:var(--screen-dark);--quiet-button:var(--screenbg);--quiet-button-text:var(--screen);--quiet-button-line:var(--screenline);--masthead-h:2.9625rem;--sans:var(--font-sans), "IBM Plex Sans", system-ui, -apple-system, sans-serif;--serif:var(--font-serif), "Source Serif 4", Georgia, "Times New Roman", serif;--mono:ui-monospace, SFMono-Regular, Menlo, monospace;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light only}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;margin:0;font-size:16px;line-height:1.5}:focus-visible{outline:2px solid var(--focus);outline-offset:2px}@media (min-width:64rem){:root{--masthead-h:3.25rem}}