:root{--brand:#3446A8;--brand-dark:#263386;--tint:#ECEFFA}
/* Shared stylesheet for the "About ..." guide sites. Per-site colours are injected as :root variables. */
@font-face{font-family:"Source Sans 3";font-style:normal;font-weight:400;font-display:swap;src:url(/assets/fonts/source-sans-3-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"Source Sans 3";font-style:italic;font-weight:400;font-display:swap;src:url(/assets/fonts/source-sans-3-latin-400-italic.woff2) format("woff2")}
@font-face{font-family:"Source Sans 3";font-style:normal;font-weight:600;font-display:swap;src:url(/assets/fonts/source-sans-3-latin-600-normal.woff2) format("woff2")}
@font-face{font-family:"Source Sans 3";font-style:normal;font-weight:700;font-display:swap;src:url(/assets/fonts/source-sans-3-latin-700-normal.woff2) format("woff2")}

:root{--ink:#1D2731;--head:#111A22;--slate:#4A5763;--line:#DCE2E7;--line-2:#A7B1BA;--paper:#FFFFFF;--soft:#F5F7F9;--night:#121A21;--gold:#E9A93A;--r:12px;--gutter:clamp(1rem,4vw,2rem);--wrap:72rem;--measure:41rem;--f:"Source Sans 3","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--focus:var(--brand)}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-padding-top:1rem}
body{margin:0;background:var(--paper);color:var(--ink);font:400 1.15rem/1.7 var(--f);overflow-wrap:break-word;padding-bottom:3.25rem}
strong,b,th{font-weight:700}
img,svg{max-width:100%;height:auto}
a{color:var(--brand)}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px}
.on-dark{--focus:#fff}
.skip{position:absolute;left:-999px;top:0;z-index:100;background:var(--brand);color:#fff;padding:.75rem 1rem}.skip:focus{left:0}
.wrap{width:min(100% - 2*var(--gutter),var(--wrap));margin-inline:auto}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
h1,h2,h3,h4{margin:0;font-family:var(--f);font-weight:700;line-height:1.15;color:var(--head);letter-spacing:-.012em;text-wrap:balance}
h1{font-size:clamp(2rem,1.3rem + 2.9vw,3.25rem);line-height:1.08;letter-spacing:-.02em}
h2{font-size:clamp(1.5rem,1.15rem + 1.3vw,2.05rem)}
h3{font-size:clamp(1.2rem,1.1rem + .4vw,1.35rem);line-height:1.25}
.on-dark h1,.on-dark h2,.on-dark h3{color:inherit}
p{margin:0}

/* buttons: rounded pills in the site colour */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:2.9rem;padding:.65rem 1.35rem;border:2px solid var(--brand);border-radius:999px;background:var(--brand);color:#fff;font:700 1rem/1 var(--f);text-decoration:none;cursor:pointer}
.btn:hover{background:var(--brand-dark);border-color:var(--brand-dark)}
.btn--ghost{background:transparent;color:var(--brand)}.btn--ghost:hover{background:var(--tint);color:var(--brand-dark)}
.btn--light{background:#fff;border-color:#fff;color:var(--brand-dark)}.btn--light:hover{background:var(--tint);border-color:var(--tint)}
.btn--line-light{background:transparent;border-color:rgba(255,255,255,.8);color:#fff}.btn--line-light:hover{background:rgba(255,255,255,.12)}

/* header: light bar with the site's own mark */
.site-header{background:#fff;border-bottom:1px solid var(--line)}
.site-header__bar{display:flex;align-items:center;gap:.75rem 1.5rem;padding-block:.75rem}
.brand{display:flex;align-items:center;gap:.7rem;min-width:0;color:var(--head);text-decoration:none}
.brand__mark{flex:none;display:block;width:2.6rem;height:2.6rem}
.brand__text{display:flex;flex-direction:column;justify-content:center}
.brand__name{display:block;font:700 clamp(1.08rem,.85rem + .7vw,1.4rem)/1.1 var(--f);letter-spacing:-.01em}
.brand__name .about{color:var(--brand)}
.brand__tag{display:block;margin-top:.15rem;font:400 .86rem/1.2 var(--f);color:var(--slate)}
.nav-toggle{display:none;min-height:2.6rem;align-items:center;padding:.45rem 1rem;border:1.5px solid var(--line-2);border-radius:999px;color:var(--head);font:700 .95rem/1 var(--f);cursor:pointer}
.site-nav ul{display:flex;flex-wrap:wrap;gap:.1rem;margin:0;padding:0;list-style:none}
.site-nav a{display:block;padding:.6rem .75rem;border-radius:8px;color:var(--ink);font:600 1rem/1 var(--f);text-decoration:none}
.site-nav a:hover,.site-nav a[aria-current]{color:var(--brand);background:var(--tint)}
.header-call{display:none}
@media (max-width:74.99rem){.brand{flex:1 1 0}.site-header__bar{flex-wrap:wrap}.nav-toggle{display:inline-flex;margin-left:auto}.site-nav{display:none;flex-basis:100%}.nav-check:checked ~ .site-nav{display:block}.nav-check:focus-visible ~ .nav-toggle{outline:3px solid var(--focus);outline-offset:3px}.nav-check:checked ~ .nav-toggle{background:var(--tint);border-color:var(--brand);color:var(--brand)}.site-nav ul{flex-direction:column;gap:0;border-top:1px solid var(--line)}.site-nav li+li{border-top:1px solid var(--line)}.site-nav a{padding:.9rem .25rem;border-radius:0}}
@media (min-width:75rem){.site-nav{margin-left:auto}.header-call{display:inline-flex;margin-left:.25rem}}

/* mobile call bar */
.callbar{position:fixed;inset:auto 0 0 0;z-index:50;display:flex;border-top:1px solid var(--line);background:#fff;box-shadow:0 -4px 14px rgba(17,26,34,.08)}
.callbar a{flex:1;display:flex;align-items:center;justify-content:center;min-height:3.25rem;font:700 1.02rem/1 var(--f);text-decoration:none}
.callbar a:first-child{background:var(--brand);color:#fff}.callbar a:last-child{color:var(--brand-dark)}
@media (min-width:75rem){.callbar{display:none}body{padding-bottom:0}}

/* sections */
.section{padding-block:clamp(2.5rem,6vw,4.25rem)}
.section--card{background:var(--soft);border-block:1px solid var(--line)}
.section--ink{background:var(--brand-dark);color:#fff}.section--ink h2,.section--ink h3{color:#fff}
.section__head{max-width:46rem;margin-bottom:clamp(1.4rem,3vw,2rem)}.section__head p{margin-top:.7rem;color:var(--slate)}
.section__head a{color:var(--brand)}

/* hero */
.hero{position:relative;padding-block:clamp(2.25rem,5vw,4rem) clamp(2.5rem,5vw,3.75rem);background:linear-gradient(180deg,var(--tint) 0,var(--tint) 70%,#fff 100%);overflow:clip}
.hero::after{content:"";position:absolute;right:-6rem;top:-6rem;width:22rem;height:22rem;border-radius:50%;background:var(--brand);opacity:.06;pointer-events:none}
.hero>.wrap{position:relative}
.hero__head{max-width:56rem}
.hero__lede{max-width:40rem;margin-top:1rem;font-size:1.22rem;line-height:1.6;color:var(--slate)}

/* the two routes */
.paths{display:grid;grid-template-columns:1fr;gap:1.25rem;margin-top:clamp(1.75rem,4vw,2.5rem)}
@media (min-width:52rem){.paths{grid-template-columns:1fr 1fr}}
.path{display:flex;flex-direction:column;gap:.85rem;padding:clamp(1.25rem,2.6vw,1.75rem);background:#fff;border:1px solid var(--line);border-top:4px solid var(--brand);border-radius:var(--r);box-shadow:0 6px 22px rgba(17,26,34,.06)}
.path h2{font-size:clamp(1.35rem,1.15rem + .8vw,1.7rem)}
.path p{color:var(--slate)}
.path ul{margin:0;padding-left:1.15em}.path li+li{margin-top:.3em}
.path a{font-weight:600}
.path .btn{align-self:flex-start;margin-top:auto}
.pw{display:none}

/* key facts */
.facts{display:grid;grid-template-columns:1fr;gap:1rem;margin:0;padding:0;list-style:none}
@media (min-width:40rem){.facts{grid-template-columns:repeat(2,1fr)}}
@media (min-width:64rem){.facts{grid-template-columns:repeat(4,1fr)}}
.facts li{padding:1.1rem 1.2rem;background:#fff;border:1px solid var(--line);border-radius:var(--r)}
.facts strong{display:block;font:700 1.45rem/1.1 var(--f);color:var(--brand)}
.facts span{display:block;margin-top:.3rem;font-size:.98rem;line-height:1.45;color:var(--slate)}

/* numbered steps */
.steps{display:grid;gap:1.4rem;margin:0;padding:0;list-style:none;counter-reset:step}
.steps li{position:relative;padding-left:3.6rem;counter-increment:step}
.steps li::before{content:counter(step);position:absolute;left:0;top:-.1rem;display:grid;place-items:center;width:2.5rem;height:2.5rem;border-radius:50%;background:var(--tint);color:var(--brand-dark);font:700 1.1rem/1 var(--f)}

/* link lists */
.linklist{margin:0;padding:0;list-style:none}
.linklist li{position:relative;padding:.85rem 0 .85rem 1.4rem;border-bottom:1px solid var(--line)}
.linklist li::before{content:"";position:absolute;left:.15rem;top:1.35rem;width:.5rem;height:.5rem;border-top:2px solid var(--brand);border-right:2px solid var(--brand);transform:rotate(45deg)}
.linklist li a{color:var(--head);text-decoration:none}
.linklist a::after{content:"";position:absolute;inset:0}
.linklist strong{display:block;font:700 1.08rem/1.25 var(--f)}
.linklist span{display:block;margin-top:.2rem;color:var(--slate);font-size:.98rem;line-height:1.45}
.linklist li:hover a{color:var(--brand);text-decoration:underline;text-underline-offset:.2em}
.prose ul.linklist{padding-left:0}.prose .linklist li+li{margin-top:0}
@supports selector(:has(*)){.linklist a:focus-visible{outline:0}.linklist li:has(a:focus-visible){outline:3px solid var(--focus);outline-offset:2px}}
@media (min-width:52rem){.linklist--2{display:grid;grid-template-columns:1fr 1fr;column-gap:3rem}}

/* call to action band */
.cta{padding-block:clamp(2.5rem,5vw,3.5rem)}
.cta__grid{display:grid;gap:1.5rem;align-items:center}
.cta p{max-width:36rem;margin-top:.6rem;color:rgba(255,255,255,.88)}
.cta__actions{display:flex;flex-wrap:wrap;gap:.75rem}
@media (min-width:56rem){.cta__grid{grid-template-columns:1fr auto}}

/* breadcrumbs */
.crumbs{padding-top:1.1rem;font-size:.93rem;line-height:1.4;color:var(--slate)}
.crumbs ol{display:flex;flex-wrap:wrap;gap:.25rem .45rem;margin:0;padding:0;list-style:none}
.crumbs li+li::before{content:"›";margin-right:.45rem;color:var(--line-2)}
.crumbs a{color:var(--slate)}
.crumbs li:first-child a{font-weight:600;color:var(--brand)}

/* page head */
.page-head{padding-block:.9rem clamp(1.4rem,3vw,2rem)}
.page-head h1{max-width:50rem}
.page-head__lede{max-width:41rem;margin-top:.9rem;font-size:1.22rem;line-height:1.6;color:var(--slate)}
.page-meta{display:flex;align-items:center;gap:.6rem;margin-top:1rem;font-size:.95rem;color:var(--slate)}
.page-meta::before{content:"";flex:none;width:2.1rem;height:2.1rem;border-radius:50%;background:var(--tint) url("data:image/svg+xml,%3Csvg xmlns=%27http://www.w3.org/2000/svg%27 viewBox=%270 0 24 24%27 fill=%27none%27 stroke=%27%233446A8%27 stroke-width=%272%27 stroke-linecap=%27round%27%3E%3Ccircle cx=%2712%27 cy=%278.5%27 r=%273.5%27/%3E%3Cpath d=%27M5 20c1.2-3.6 4-5.5 7-5.5s5.8 1.9 7 5.5%27/%3E%3C/svg%3E") no-repeat center/62%}
.page-meta a{color:var(--brand);font-weight:600}

/* article layout */
.layout{display:grid;gap:2.5rem;padding-bottom:clamp(2.5rem,6vw,4.5rem)}
@media (min-width:62rem){.layout{grid-template-columns:minmax(0,1fr) 19rem;gap:3.5rem}.aside{position:sticky;top:1.25rem;align-self:start}}
.layout--single{grid-template-columns:minmax(0,1fr)}
.article{min-width:0}
.prose{max-width:var(--measure)}
.prose>*+*{margin-top:1.05em}
.prose h2{margin-top:2em}.prose h3{margin-top:1.6em}
.prose h2+*,.prose h3+*{margin-top:.55em}
.prose ul,.prose ol{padding-left:1.3em}.prose li+li{margin-top:.4em}
.prose li::marker{color:var(--brand)}
.prose a{color:var(--brand);text-decoration-thickness:1.5px;text-underline-offset:.18em}
.prose a:hover{color:var(--brand-dark);text-decoration-thickness:2.5px}
.prose blockquote{margin-inline:0;padding-left:1.1rem;border-left:4px solid var(--brand);color:var(--slate)}
.note{padding:1rem 1.15rem;border-radius:var(--r);background:var(--tint);border-left:5px solid var(--brand)}
.note>*+*{margin-top:.6em}

/* tables */
.table-wrap{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff}
.prose table,.prose tbody,.prose tr,.prose td{display:block}
.prose table{width:100%;font-size:1rem;line-height:1.45}
.prose thead{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.prose tr{padding:.8rem .95rem;border-bottom:1px solid var(--line)}.prose tr:last-child{border-bottom:0}
.prose td{padding:.15rem 0;text-align:left}
.prose td:first-child{font-weight:700;color:var(--head)}
.prose td+td::before{content:attr(data-label);display:block;margin-top:.4rem;font:700 .78rem/1.2 var(--f);letter-spacing:.03em;text-transform:uppercase;color:var(--slate)}
.prose th{background:var(--tint);color:var(--head);font:700 .92rem/1.25 var(--f);text-align:left}
@media (min-width:40rem){.table-wrap{overflow-x:auto}.prose table{display:table;border-collapse:collapse}.prose thead{position:static;width:auto;height:auto;overflow:visible;clip-path:none;white-space:normal;display:table-header-group}.prose tbody{display:table-row-group}.prose tr{display:table-row;padding:0;border:0}.prose th,.prose td{display:table-cell;padding:.7rem .9rem;border-bottom:1px solid var(--line);vertical-align:top}.prose td:first-child{font-weight:600}.prose td+td::before{display:none}.prose tr:last-child td{border-bottom:0}}

/* contents, at a glance, related, faq, law, series */
.toc{max-width:var(--measure);margin:0 0 1.5rem;padding:1rem 1.2rem;border-radius:var(--r);background:var(--soft);border:1px solid var(--line)}
.toc strong{display:block;font:700 .82rem/1.2 var(--f);letter-spacing:.06em;text-transform:uppercase;color:var(--slate)}
.toc ol{margin:.55rem 0 0;padding-left:1.2rem;font-size:1rem;line-height:1.45}.toc li+li{margin-top:.3rem}
.toc a{color:var(--brand)}
.glance{max-width:var(--measure);margin:0 0 1.5rem;padding:1.1rem 1.25rem;border-radius:var(--r);background:#fff;border:1px solid var(--line);border-left:5px solid var(--brand)}
.glance h2{font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;color:var(--slate);margin-bottom:.75rem}
.glance dl{display:grid;gap:.85rem;margin:0}
.glance dt{font:700 1rem/1.25 var(--f);color:var(--head)}
.glance dd{margin:.15rem 0 0;font-size:1rem;line-height:1.5;color:var(--slate)}
@media (min-width:40rem){.glance dl{grid-template-columns:repeat(2,1fr);column-gap:1.5rem}}
.related,.faq,.law,.series{max-width:var(--measure);margin-top:2.5rem}
.related h2,.law h2{font-size:1.35rem;margin-bottom:.7rem}
.faq>h2{margin-bottom:.3rem}
.faq h3{margin-top:1.3rem;padding-top:1.1rem;border-top:1px solid var(--line);font-size:1.15rem}
.faq__a{margin-top:.45rem;color:var(--ink)}.faq__a>*+*{margin-top:.8em}
.faq a,.related a,.law a,.series a{color:var(--brand)}
.law ul{margin:0;padding:0;list-style:none}
.law li{padding:.5rem 0 .5rem 1.6rem;position:relative;border-bottom:1px solid var(--line);font-size:1rem;line-height:1.45}
.law li::before{content:"§";position:absolute;left:.2rem;top:.45rem;color:var(--brand);font-weight:700}
.law p{font-size:.93rem;color:var(--slate);margin-top:.7rem}
.series{display:grid;gap:1rem}
.series a{display:block;padding:1rem 1.15rem;border:1px solid var(--line);border-radius:var(--r);text-decoration:none}
.series a:hover{border-color:var(--brand);background:var(--tint)}
.series small{display:block;font:700 .78rem/1.2 var(--f);letter-spacing:.06em;text-transform:uppercase;color:var(--slate);margin-bottom:.25rem}
.series span{font:700 1.05rem/1.3 var(--f);color:var(--head)}
@media (min-width:40rem){.series{grid-template-columns:1fr 1fr}.series .next{text-align:right}}

/* aside */
.aside .box{padding:1.25rem;border-radius:var(--r);border:1px solid var(--line);background:#fff}
.aside .box:first-child{border-top:4px solid var(--brand);box-shadow:0 6px 22px rgba(17,26,34,.06)}
.aside .box+.box{margin-top:1.1rem}
.aside h2{font-size:1.25rem}
.aside .box>*+*{margin-top:.85rem}
.aside .btn{width:100%}
.aside .small{font-size:.92rem;line-height:1.45;color:var(--slate)}
.aside .author p{font-size:.98rem;line-height:1.5}
.aside .author a{color:var(--brand)}

/* cards */
.cards{display:grid;gap:1.1rem;margin:0;padding:0;list-style:none;grid-template-columns:repeat(auto-fill,minmax(min(100%,17rem),1fr))}
.card{position:relative;display:flex;flex-direction:column;gap:.4rem;padding:1.1rem 1.2rem;background:#fff;border:1px solid var(--line);border-radius:var(--r)}
.card:hover{border-color:var(--brand)}
.card h3{font-size:1.12rem}
.card h3 a{color:var(--head);text-decoration:none}
.card h3 a::after{content:"";position:absolute;inset:0}
.card p{font-size:.98rem;line-height:1.5;color:var(--slate)}

/* figures */
.fig{margin:1.6em 0;padding:1rem;border:1px solid var(--line);border-radius:var(--r);background:#fff}
.fig img{display:block;width:100%;height:auto}
.fig figcaption{margin-top:.7rem;font-size:.93rem;line-height:1.45;color:var(--slate)}

/* tools */
.tool{max-width:var(--measure);margin:0 0 1.5rem;padding:clamp(1.1rem,2.5vw,1.6rem);border:1px solid var(--line);border-top:4px solid var(--brand);border-radius:var(--r);background:#fff;box-shadow:0 6px 22px rgba(17,26,34,.06)}
.tool h2{font-size:1.3rem;margin-bottom:.5rem}
.tool label,.tool legend{display:block;margin:1rem 0 .35rem;font:700 1rem/1.25 var(--f);color:var(--head)}
.tool fieldset{margin:0;padding:0;border:0}
.tool select,.tool input[type=date],.tool input[type=text],.tool textarea{display:block;width:100%;min-height:2.9rem;padding:.55rem .75rem;border:1.5px solid var(--line-2);border-radius:8px;background:#fff;color:var(--ink);font:400 1.05rem/1.4 var(--f)}
.tool select:focus,.tool input:focus,.tool textarea:focus{border-color:var(--brand);outline:3px solid var(--tint)}
.tool textarea{min-height:5.5rem;resize:vertical}
.tool .opt{display:flex;gap:.7rem;align-items:flex-start;margin:.45rem 0;font-size:1rem;line-height:1.45}
.tool .opt input{flex:none;width:1.25rem;height:1.25rem;margin-top:.15rem;accent-color:var(--brand)}
.tool .btn{margin-top:1.2rem}
.tool .hint{display:block;margin-top:.25rem;font-size:.92rem;color:var(--slate)}
.result{margin-top:1.2rem;padding:1rem 1.15rem;border-radius:var(--r);background:var(--tint);border-left:5px solid var(--brand)}
.result:empty{display:none}
.result>*+*{margin-top:.6em}
.letter{margin-top:1.2rem;padding:clamp(1rem,3vw,2rem);border:1px solid var(--line-2);border-radius:8px;background:#fff;font:400 1.02rem/1.6 var(--f);white-space:pre-wrap}
.letter:empty{display:none}

/* footer */
.site-footer{background:var(--night);color:#C9D2DA;font-size:.98rem;line-height:1.55}
.site-footer a{color:#fff}
.site-footer .fh{margin:0 0 .55rem;font:700 1rem/1.2 var(--f);color:#fff}
.footer-main{padding-block:clamp(2rem,4vw,3rem)}
.footer-top{display:grid;gap:1rem 2.5rem;padding-bottom:1.75rem;border-bottom:1px solid rgba(255,255,255,.14)}
@media (min-width:52rem){.footer-top{grid-template-columns:1.2fr 1fr;align-items:center}}
.footer-brand{display:flex;align-items:center;gap:.7rem;color:#fff;text-decoration:none;font:700 1.25rem/1.15 var(--f)}
.footer-brand img{width:2.4rem;height:2.4rem}
.footer-top p{margin-top:.5rem}
.footer-call{font-size:1.05rem}
.footer-call a{font-weight:700}
.footer-links{display:grid;gap:1.6rem 2rem;margin-top:1.75rem;grid-template-columns:repeat(auto-fit,minmax(13rem,1fr))}
.footer-links ul{margin:0;padding:0;list-style:none}.footer-links li+li{margin-top:.3rem}
.footer-links a{color:#DCE3EA;text-decoration:none}.footer-links a:hover{color:#fff;text-decoration:underline}
.footer-legal{padding-block:1.2rem;border-top:1px solid rgba(255,255,255,.14);font-size:.86rem;line-height:1.5;color:#9AA6B2}
.footer-legal p+p{margin-top:.45rem}
.footer-legal a{color:#C9D2DA}

/* misc */
.block{margin-top:2rem}
.split{display:grid;gap:2rem 3.5rem}
@media (min-width:52rem){.split{grid-template-columns:minmax(0,1.15fr) minmax(0,1fr)}}
.split h2{margin-bottom:.9rem}
.stamp{align-self:start;padding:1.15rem 1.25rem;border-radius:var(--r);border:1px solid var(--line);background:#fff}
.stamp h3{margin-bottom:.55rem;font-size:1.1rem}
.stamp ul{margin:0;padding:0;list-style:none}
.stamp li{padding:.55rem 0;border-top:1px solid var(--line);font-size:1rem;line-height:1.45}.stamp li:first-child{border-top:0}
.guide-group+.guide-group{margin-top:2.25rem}
.guide-group h2{margin-bottom:.7rem;font-size:1.4rem}
@media print{.site-header,.site-footer,.callbar,.aside,.cta,.skip,.nav-toggle,.tool .btn,.no-print{display:none!important}body{background:#fff;padding:0;font-size:11pt}.layout{display:block}.letter{border:0;padding:0}}
@media print{body.print-letter *{visibility:hidden!important}body.print-letter .letter,body.print-letter .letter *{visibility:visible!important}body.print-letter .letter{position:absolute;left:0;top:0;width:100%;border:0;padding:0;font-size:12pt}}