:root{--bg:#fff;--ink:#111;--grey:#5f6368;--hair:#e3e3e3;--wash:#f2f2f2;--accent:#1f5f3f;--gutter:1.25rem;--sans:var(--font-sans), ui-sans-serif, system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@media (min-width:40rem){:root{--gutter:2rem}}*,:before,:after{box-sizing:border-box}html{-moz-text-size-adjust:100%;text-size-adjust:100%;background:var(--bg)}body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-kerning:normal;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-wrap:break-word;margin:0;font-size:1.125rem;line-height:1.6}img{max-width:100%;height:auto;display:block}picture{display:block}.wrap{width:100%;max-width:76rem;padding:0 var(--gutter);margin:0 auto}.column{width:100%;max-width:calc(42rem + 2 * var(--gutter));padding:0 var(--gutter);margin:0 auto}a{color:var(--accent);text-underline-offset:.2em;text-decoration-thickness:1px}a:hover{text-decoration-thickness:2px}:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.skip{background:var(--ink);color:var(--bg);z-index:10;padding:.5rem .75rem;position:absolute;top:0;left:-9999px}.skip:focus{left:1rem}.visually-hidden{clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}h1,h2,h3{letter-spacing:-.02em;text-wrap:balance;margin:0;font-weight:650;line-height:1.15}h1{letter-spacing:-.03em;font-size:clamp(2rem,1.45rem + 2.4vw,3rem);font-weight:700;line-height:1.08}p{margin:0 0 1em}.category{letter-spacing:.04em;color:var(--grey);margin:0 0 .35rem;font-size:1.0625rem;font-variant-caps:all-small-caps;font-weight:500;line-height:1.4;text-decoration:none;display:inline-block}a.category:hover{color:var(--ink)}.site-header{flex-wrap:wrap;align-items:baseline;gap:.25rem 1rem;padding-top:1.25rem;padding-bottom:1.25rem;display:flex}.wordmark{letter-spacing:-.035em;color:var(--ink);font-size:1.375rem;font-weight:700;line-height:1;text-decoration:none}.tagline{color:var(--grey);font-size:.9375rem;display:none}@media (min-width:52rem){.tagline{display:inline}}.site-nav{gap:1.25rem;margin-left:auto;font-size:.9375rem;display:flex}.site-nav a,.footer-links a{color:var(--ink);text-decoration:none}.site-nav a:hover,.footer-links a:hover{text-decoration:underline;text-decoration-thickness:1px}.hero-photo{background:var(--wash);max-width:90rem;margin:0 auto}.hero-photo img{aspect-ratio:4/3;object-fit:cover;width:100%}@media (min-width:40.0625rem){.hero-photo img{aspect-ratio:16/7}}.hero-text{gap:1rem;padding-top:2rem;padding-bottom:2.5rem;display:grid}.hero-text h1{max-width:16ch;font-size:clamp(2.125rem,1.3rem + 3.4vw,4rem)}.hero-text .lede{color:var(--grey);max-width:34rem;margin:0}@media (min-width:60rem){.hero-text{grid-template-columns:minmax(0,7fr) minmax(0,5fr);align-items:end;gap:4rem;padding-top:3rem;padding-bottom:3.5rem}}.topic-row{border-top:1px solid var(--hair);border-bottom:1px solid var(--hair);flex-wrap:wrap;align-items:baseline;gap:.25rem 1.5rem;padding:1rem 0;font-size:1rem;display:flex}.topic-row h2{letter-spacing:0;color:var(--grey);font-size:1rem;font-weight:400}.topic-row ul{flex-wrap:wrap;gap:.25rem 1.5rem;margin:0;padding:0;list-style:none;display:flex}.topic-row a{color:var(--ink);text-decoration:none}.topic-row a:hover{text-decoration:underline}.guides{padding:2.5rem 0 4.5rem}.guide-grid{gap:2.75rem 1.75rem;margin:0;padding:0;list-style:none;display:grid}@media (min-width:40rem){.guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.card-lead{grid-column:1/-1}}@media (min-width:64rem){.guide-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:3.5rem 2rem}.card-lead{grid-template-columns:minmax(0,7fr) minmax(0,5fr);align-items:center;gap:2.5rem;display:grid}}.card-media{background:var(--wash);display:block}.card-media img,.cover img,.row-thumb img{aspect-ratio:3/2;object-fit:cover;background:var(--wash);width:100%}.card-text{padding-top:1rem}.card-lead .card-text{padding-top:1.25rem}@media (min-width:64rem){.card-lead .card-text{padding-top:0}}.card h3,.guide-rows h3{letter-spacing:-.015em;margin:0 0 .45rem;font-size:1.25rem;line-height:1.25}.card-lead h3{letter-spacing:-.025em;margin-bottom:.75rem;font-size:clamp(1.625rem,1.2rem + 1.4vw,2.25rem);line-height:1.12}.card h3 a,.guide-rows h3 a{color:var(--ink);text-decoration:none}.card h3 a:hover,.guide-rows h3 a:hover{text-decoration:underline;text-decoration-thickness:1px}.card-line{color:var(--grey);margin:0;font-size:1rem;line-height:1.5}.card-lead .card-line{font-size:1.125rem}@media (max-width:39.9375rem){.card-media{margin-left:calc(-1 * var(--gutter));margin-right:calc(-1 * var(--gutter))}}.guide-rows{margin:0;padding:0;list-style:none}.guide-rows li{border-top:1px solid var(--hair);grid-template-columns:minmax(0,1fr) 6.5rem;align-items:start;gap:1.25rem;padding:1.5rem 0;display:grid}@media (min-width:40rem){.guide-rows li{grid-template-columns:minmax(0,1fr) 10rem;gap:2rem}}.row-thumb{display:block}.page,.article{padding-bottom:4.5rem}.cover{margin:.5rem 0 0}.cover figcaption{color:var(--grey);padding-top:.5rem;font-size:.8125rem;line-height:1.4}@media (max-width:39.9375rem){.cover{margin:0 calc(-1 * var(--gutter))}.cover figcaption{padding-left:var(--gutter);padding-right:var(--gutter)}}.cover figcaption a{color:var(--grey)}.article-head,.page-head{margin-bottom:2.5rem;padding-top:2.5rem}.page-head{padding-top:3rem}.article-head h1,.page-head h1{margin-bottom:.9rem}.standfirst{margin:0 0 1.25rem;font-size:1.25rem;line-height:1.5}.byline{color:var(--grey);font-size:.9375rem;overflow:hidden}.byline p{flex-wrap:wrap;margin:0 0 0 -1.25rem;display:flex}.byline span:before{content:"·";text-align:center;width:1.25rem;display:inline-block}.in-short{margin:0 0 2.75rem}.in-short h2,.sources h2,.related h2{letter-spacing:0;margin:0 0 .6rem;font-size:1rem;font-weight:650}.in-short ul{margin:0;padding-left:1.25rem}.in-short li{margin-bottom:.4em;padding-left:.15rem}.prose h2{margin:2.4em 0 .6em;font-size:clamp(1.5rem,1.3rem + .7vw,1.875rem)}.prose h3{letter-spacing:-.015em;margin:1.9em 0 .5em;font-size:1.25rem}.prose h2+h3{margin-top:.8em}.prose ul,.prose ol{margin:0 0 1.1em;padding-left:1.25rem}.prose li{margin-bottom:.4em}.prose blockquote{border-left:1px solid #c9c9c9;margin:1.5em 0;padding:.1em 0 .1em 1.25rem}.prose blockquote p{margin-bottom:.5em}.prose blockquote p:last-child{margin-bottom:0}.prose strong{font-weight:650}.prose pre,.template{white-space:pre-wrap}.table-wrap{margin:2em 0;overflow-x:auto}@media (min-width:64rem){.table-wrap{width:min(64rem,100vw - 4rem);margin-left:50%;transform:translate(-50%)}}.prose table{border-collapse:collapse;width:100%;min-width:36rem;font-size:.9375rem;line-height:1.45}.prose th,.prose td{text-align:left;vertical-align:top;border-bottom:1px solid var(--hair);padding:.75rem 1rem .75rem 0}.prose th{border-bottom-color:var(--ink);font-weight:600}.prose th:last-child,.prose td:last-child{padding-right:0}@media (max-width:40rem){.table-wrap{overflow:visible}.prose table{min-width:0}.prose thead{clip:rect(0 0 0 0);width:1px;height:1px;position:absolute;overflow:hidden}.prose table,.prose tbody,.prose tr,.prose td{width:100%;display:block}.prose tr{border-top:1px solid var(--hair);padding:.75rem 0 .9rem}.prose tr:last-child{border-bottom:1px solid var(--hair)}.prose td{border:0;padding:.25rem 0}.prose td[data-label]:before{content:attr(data-label);letter-spacing:.04em;color:var(--grey);font-size:.9375rem;font-variant-caps:all-small-caps;display:block}.prose td:first-child:before{display:none}.prose td:first-child{font-size:1.125rem}}.sources{border-top:1px solid var(--hair);margin-top:3.5rem;padding-top:1.75rem;font-size:.9375rem;line-height:1.55}.sources .note{color:var(--grey);margin-bottom:.9rem}.sources ol{margin:0;padding-left:1.5rem}.sources li{overflow-wrap:anywhere;margin-bottom:.55em}.sources li::marker{color:var(--grey)}.sources a{color:var(--ink);text-decoration-color:#b5b5b5}.sources .checked{color:var(--grey)}.twin-link{margin:2.5rem 0 0;font-size:1rem}.related{margin-top:3rem}.related h2{margin-bottom:.25rem}.placeholder{color:var(--grey);font-style:italic}.credits{padding-left:1.25rem}.credits li{margin-bottom:.4em}.site-footer{padding-bottom:3rem;font-size:.9375rem;line-height:1.55}.footer-inner{border-top:1px solid var(--hair);padding-top:1.75rem}.footer-links{flex-wrap:wrap;gap:.35rem 1.5rem;margin-bottom:1.25rem;display:flex}.footer-disclosure{color:var(--grey);max-width:46rem;margin-bottom:.75rem}.footer-publisher{color:var(--grey);margin:0}
@font-face{font-family:Instrument Sans;font-style:normal;font-weight:400 700;font-stretch:100%;font-display:optional;src:url(../media/c7f47671e39f7787-s.3wn_q526zaolu.woff2)format("woff2");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Instrument Sans;font-style:normal;font-weight:400 700;font-stretch:100%;font-display:optional;src:url(../media/f06bf9da926bae75-s.p.3uuun_-7zsf1g.woff2)format("woff2");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Instrument Sans Fallback;src:local(Arial);ascent-override:94.42%;descent-override:24.33%;line-gap-override:0.0%;size-adjust:102.74%}.instrument_sans_10f51038-module__t2nhpG__className{font-family:Instrument Sans,Instrument Sans Fallback;font-style:normal}.instrument_sans_10f51038-module__t2nhpG__variable{--font-sans:"Instrument Sans", "Instrument Sans Fallback"}