:root{
  --navy:#0A2540;--ink:#1A2A3A;--muted:#5C6B7A;
  --blue:#1466C9;--blue-d:#0F4FA0;--blue-soft:#E9F1FC;
  --teal:#0E9F8E;--teal-soft:#E3F6F3;
  --go:#16A34A;--go-d:#12863C;--go-soft:#E7F7EC;
  --warn:#B7791F;--warn-soft:#FBF3E2;--alert:#C0392B;--alert-soft:#FBEAE8;
  --paper:#fff;--mist:#F5F8FC;--line:#E2E9F1;--line-2:#CDD9E5;
  --r:14px;--r-sm:10px;--shadow:0 1px 2px rgba(10,37,64,.05),0 8px 24px rgba(10,37,64,.07);
  --maxw:1140px;--font:"Poppins",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--paper);line-height:1.66;font-size:17px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.22;color:var(--navy);font-weight:800;margin:0 0 .55em;letter-spacing:-.01em}
h2{font-size:1.7rem;margin-top:2.2rem}
h3{font-size:1.25rem;font-weight:700;margin-top:1.6rem}
h4{font-size:1.05rem;font-weight:700}
p{margin:0 0 1rem}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px;border-radius:4px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 1.2rem}

/* utility bar */
.ubar{background:var(--navy);color:#AFC4DC;font-size:.78rem}
.ubar-in{max-width:var(--maxw);margin:0 auto;padding:.4rem 1.2rem;display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.ubar-l{display:inline-flex;align-items:center;gap:.45rem}
.ind-dot{width:7px;height:7px;border-radius:50%;background:var(--go);box-shadow:0 0 0 3px rgba(22,163,74,.25);flex:none}
.ubar-r{display:inline-flex;align-items:center;gap:1.1rem}
.ubar-r a{color:#DCE8F4;font-weight:600}
.ubar-r a:hover{color:#fff;text-decoration:none}
@media(max-width:620px){.ubar-l{display:none}.ubar-in{justify-content:center}}

/* main header (non-sticky, WordPress-style) */
.head{position:relative;background:#fff;border-bottom:1px solid var(--line)}
.head::after{content:"";display:block;height:3px;background:linear-gradient(90deg,var(--blue),var(--teal) 55%,var(--go))}
.head-in{max-width:var(--maxw);margin:0 auto;padding:.95rem 1.2rem;display:flex;align-items:center;justify-content:space-between;gap:1.2rem}
.brand{display:flex;align-items:center;gap:.7rem;flex:none}
.brand img{height:50px;width:auto}
.brand-name{font-size:1.2rem;font-weight:800;color:var(--navy);letter-spacing:-.02em;white-space:nowrap}
.nav{display:flex;align-items:center;gap:.2rem;font-size:.95rem;font-weight:600;flex-wrap:nowrap}
.nav .nl{color:var(--navy);padding:.5rem .72rem;border-radius:9px;white-space:nowrap;transition:background .15s,color .15s}
.nav .nl:hover{color:var(--blue);background:var(--blue-soft);text-decoration:none}
.nav .cta{display:inline-flex;align-items:center;gap:.4rem;white-space:nowrap;background:var(--go);color:#fff;
  padding:.6rem 1rem;border-radius:10px;margin-left:.5rem;box-shadow:0 6px 16px rgba(22,163,74,.3);font-weight:700;transition:transform .15s,background .15s}
.nav .cta:hover{background:var(--go-d);text-decoration:none;transform:translateY(-2px)}
.burger{display:none;border:1px solid var(--line-2);background:#fff;border-radius:10px;padding:.55rem .7rem;font-size:1.2rem;cursor:pointer;color:var(--navy)}
@media(max-width:1080px){
  .head-in{position:relative}
  .nav{position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:#fff;
    border-bottom:1px solid var(--line);padding:.4rem 1rem 1rem;display:none;box-shadow:var(--shadow);z-index:40;font-size:.95rem}
  .nav.open{display:flex}
  .nav .nl{padding:.9rem .5rem;border-bottom:1px solid var(--line);border-radius:0}
  .nav .nl:hover{background:var(--mist)}
  .nav .cta{margin:.8rem 0 0;justify-content:center}
  .burger{display:block}
}

.crumbs{background:var(--mist);border-bottom:1px solid var(--line);font-size:.84rem}
.crumbs .wrap{padding:.6rem 1.2rem}
.crumbs a{color:var(--muted)}.crumbs span{color:var(--navy);font-weight:600}
.crumbs i{color:var(--line-2);font-style:normal;padding:0 .4rem}

.hero{background:linear-gradient(180deg,#fff,var(--mist)),repeating-linear-gradient(90deg,transparent,transparent 38px,rgba(20,102,201,.04) 38px,rgba(20,102,201,.04) 40px);border-bottom:1px solid var(--line);padding:2.4rem 0 2.1rem}
.eyebrow{display:inline-flex;align-items:center;gap:.45rem;font-size:.75rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--blue);background:var(--blue-soft);padding:.32rem .7rem;border-radius:100px;margin-bottom:.9rem}
.hero h1{font-size:clamp(1.75rem,4.6vw,2.7rem);max-width:20ch}
.hero .lede{font-size:1.1rem;color:var(--muted);max-width:62ch}
.byline{display:flex;align-items:center;gap:.55rem;margin-top:1.1rem;font-size:.85rem;color:var(--muted)}
.byline .dot{width:30px;height:30px;border-radius:50%;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.78rem}
.byline b{color:var(--navy)}
.cta-row{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1.3rem}
.btn{display:inline-flex;align-items:center;gap:.5rem;font-weight:700;font-size:.97rem;padding:.78rem 1.25rem;border-radius:100px;border:2px solid transparent;cursor:pointer}
.btn-go{background:var(--go);color:#fff}.btn-go:hover{background:var(--go-d);text-decoration:none}
.btn-pri{background:var(--blue);color:#fff}.btn-pri:hover{background:var(--blue-d);text-decoration:none}
.btn-ghost{background:#fff;color:var(--navy);border-color:var(--line-2)}.btn-ghost:hover{border-color:var(--blue);color:var(--blue);text-decoration:none}

.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:.75rem;margin-top:1.8rem}
@media(min-width:660px){.stats{grid-template-columns:repeat(4,1fr)}}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:1rem;box-shadow:var(--shadow);position:relative;overflow:hidden}
.stat::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--blue)}
.stat.go::before{background:var(--go)}.stat.warn::before{background:var(--warn)}.stat.teal::before{background:var(--teal)}
.stat .v{font-size:1.85rem;font-weight:800;color:var(--navy);font-variant-numeric:tabular-nums;line-height:1}
.stat .k{font-size:.8rem;color:var(--muted);font-weight:600;margin-top:.3rem}

.shell{max-width:var(--maxw);margin:2.2rem auto;padding:0 1.2rem;display:grid;grid-template-columns:1fr;gap:2.4rem}
@media(min-width:1000px){.shell{grid-template-columns:minmax(0,1fr) 264px;gap:3rem;align-items:start}}
article>section{scroll-margin-top:140px}
article>section>h2{position:relative;padding-left:1rem}
article>section>h2::before{content:"";position:absolute;left:0;top:.15em;bottom:.15em;width:4px;border-radius:3px;background:linear-gradient(var(--blue),var(--teal))}
article ul,article ol{padding-left:1.25rem;margin:0 0 1.1rem}
article li{margin:.35rem 0}
article figure{margin:1.5rem 0}
article figure img{border-radius:var(--r);border:1px solid var(--line);box-shadow:var(--shadow)}
figcaption{font-size:.84rem;color:var(--muted);margin-top:.5rem;text-align:center}

.quick{background:var(--blue-soft);border:1px solid #CBE0F8;border-left:5px solid var(--blue);border-radius:var(--r);padding:1.2rem 1.35rem;margin:0 0 1.8rem}
.quick b{color:var(--navy)}.quick p:last-child{margin-bottom:0}

.toc{position:static;border:1px solid var(--line);border-radius:var(--r);background:#fff;box-shadow:var(--shadow);padding:1.15rem 1.1rem;font-size:.92rem;border-top:3px solid var(--blue)}
.toc h2{font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 .7rem}
.toc ol{counter-reset:t;list-style:none;margin:0;padding:0}
.toc li{counter-increment:t}
.toc a{display:flex;gap:.55rem;padding:.32rem .35rem;border-radius:6px;color:var(--navy);font-weight:500}
.toc a::before{content:counter(t,decimal-leading-zero);color:var(--blue);font-weight:700;font-variant-numeric:tabular-nums}
.toc a:hover{background:var(--mist);text-decoration:none}
/* desktop: only the sidebar TOC shows; mobile collapsible hidden */
.toc.side{display:block}
.toc-m{display:none}
@media(max-width:999px){
  .toc.side{display:none}
  .toc-m{display:block;border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:var(--r);background:#fff;margin:0 0 1.8rem;box-shadow:var(--shadow)}
  .toc-m>summary{cursor:pointer;list-style:none;padding:.85rem 1.1rem;font-weight:700;color:var(--navy);display:flex;justify-content:space-between;align-items:center}
  .toc-m>summary::-webkit-details-marker{display:none}
  .toc-m>summary::after{content:"\25BC";color:var(--blue);font-size:.7rem}
  .toc-m[open]>summary::after{content:"\25B2"}
  .toc-m ol{counter-reset:t;list-style:none;margin:0;padding:0 1.1rem 1rem}
  .toc-m li{counter-increment:t}
  .toc-m a{display:flex;gap:.55rem;padding:.4rem .2rem;color:var(--navy);font-weight:500;border-top:1px solid var(--line)}
  .toc-m a::before{content:counter(t,decimal-leading-zero);color:var(--blue);font-weight:700}
}

.tbl{overflow-x:auto;margin:1.3rem 0;border:1px solid var(--line);border-radius:var(--r)}
table{border-collapse:collapse;width:100%;font-size:.93rem;min-width:480px}
th,td{text-align:left;padding:.78rem .95rem;border-bottom:1px solid var(--line);vertical-align:top}
thead th{background:var(--navy);color:#fff;font-weight:600;font-size:.85rem}
tbody tr:nth-child(even){background:var(--mist)}
tbody tr:last-child td{border-bottom:none}
td.good{color:var(--go);font-weight:700}td.bad{color:var(--alert);font-weight:700}

.box{border-radius:var(--r);padding:1.05rem 1.2rem;margin:1.3rem 0;border:1px solid;font-size:.95rem}
.box p:last-child{margin-bottom:0}
.box .lbl{display:inline-block;font-weight:700;font-size:.76rem;letter-spacing:.04em;text-transform:uppercase;margin-bottom:.3rem}
.box.tip{background:var(--go-soft);border-color:#BFE6CC}.box.tip .lbl{color:var(--go-d)}
.box.warn{background:var(--warn-soft);border-color:#EAD8AE}.box.warn .lbl{color:var(--warn)}
.box.alert{background:var(--alert-soft);border-color:#EBC4BF}.box.alert .lbl{color:var(--alert)}
.box.note{background:var(--mist);border-color:var(--line-2)}.box.note .lbl{color:var(--blue)}

.steps{counter-reset:s;list-style:none;padding:0;margin:1.3rem 0}
.steps>li{counter-increment:s;position:relative;padding:.15rem 0 1.1rem 3.1rem;border-left:2px solid var(--line);margin-left:1rem}
.steps>li:last-child{border-left-color:transparent;padding-bottom:0}
.steps>li::before{content:counter(s);position:absolute;left:-1rem;top:0;width:2rem;height:2rem;background:var(--blue);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.92rem}
.steps>li strong{display:block;color:var(--navy);margin-bottom:.1rem}

.faq details{border:1px solid var(--line);border-radius:var(--r-sm);margin:.55rem 0;background:#fff;overflow:hidden}
.faq summary{cursor:pointer;padding:.9rem 1.1rem;font-weight:600;color:var(--navy);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--blue);font-weight:800;font-size:1.3rem;flex:none}
.faq details[open] summary::after{content:"\2212"}
.faq details[open] summary{border-bottom:1px solid var(--line)}
.faq .a{padding:.85rem 1.1rem 1.05rem;font-size:.95rem}
.faq .a p:last-child{margin-bottom:0}

.author{display:flex;gap:1rem;align-items:flex-start;background:var(--mist);border:1px solid var(--line);border-radius:var(--r);padding:1.15rem 1.3rem;margin:2rem 0 1.4rem}
.author .ava{flex:none;width:52px;height:52px;border-radius:50%;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800}
.author .m{font-size:.92rem;color:var(--muted)}.author .m b{color:var(--navy)}
.sources{font-size:.9rem;color:var(--muted)}.sources ul{padding-left:1.2rem}

.related{margin:2.4rem 0 1rem}
.related h2{margin-top:0}
.cards{display:grid;grid-template-columns:1fr;gap:1rem}
@media(min-width:640px){.cards{grid-template-columns:repeat(3,1fr)}}
.card{display:block;border:1px solid var(--line);border-radius:var(--r);padding:1.1rem 1.15rem;background:#fff;box-shadow:var(--shadow);transition:transform .15s,border-color .15s}
.card:hover{transform:translateY(-3px);border-color:var(--blue);text-decoration:none}
.card .t{font-weight:700;color:var(--navy);font-size:1rem;margin-bottom:.3rem}
.card .d{font-size:.86rem;color:var(--muted)}
.card .go{color:var(--blue);font-weight:700;font-size:.85rem;margin-top:.6rem;display:inline-block}

footer{background:var(--navy);color:#B9CCE0;margin-top:3rem;padding:2.6rem 0 1.6rem;font-size:.92rem}
footer .grid{display:grid;gap:1.6rem}
@media(min-width:760px){footer .grid{grid-template-columns:1.5fr 1fr 1fr 1fr}}
footer h3{color:#fff;font-size:.92rem;margin-bottom:.6rem}
footer a{color:#CDE0F5}footer a:hover{color:#fff}
footer ul{list-style:none;padding:0;margin:0}footer li{margin:.3rem 0}
.fbrand{display:flex;align-items:center;gap:.5rem;margin-bottom:.7rem}
.fbrand img{height:34px;filter:brightness(0) invert(1)}.fbrand b{color:#fff}
.disc{border-top:1px solid rgba(255,255,255,.14);margin-top:1.5rem;padding-top:1.3rem;font-size:.8rem;color:#8FA6BE}
.disc a{color:#B9CCE0;text-decoration:underline}

/* ===== test centre finder ===== */
.finder{border:1px solid var(--line);border-radius:var(--r);background:var(--mist);padding:1.3rem;margin:1.4rem 0}
.finder-label{display:block;font-weight:700;color:var(--navy);font-size:.92rem;margin-bottom:.45rem}
#dtcSearch{width:100%;padding:.85rem 1rem;font-size:1rem;font-family:inherit;border:2px solid var(--line-2);
  border-radius:10px;background:#fff;color:var(--ink)}
#dtcSearch:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(20,102,201,.15)}
.finder-chips{display:flex;flex-wrap:wrap;gap:.45rem;margin:.9rem 0 .2rem}
.dtc-chip{font-family:inherit;font-size:.8rem;font-weight:600;color:var(--navy);background:#fff;border:1px solid var(--line-2);
  border-radius:100px;padding:.35rem .8rem;cursor:pointer;transition:all .15s}
.dtc-chip:hover{border-color:var(--blue);color:var(--blue)}
.dtc-chip.on{background:var(--navy);color:#fff;border-color:var(--navy)}
.finder-count{font-size:.85rem;color:var(--muted);font-weight:600;margin:.8rem 0 .6rem}
.finder-grid{display:grid;grid-template-columns:1fr;gap:.7rem;max-height:560px;overflow-y:auto;padding:.1rem}
@media(min-width:560px){.finder-grid{grid-template-columns:1fr 1fr}}
@media(min-width:900px){.finder-grid{grid-template-columns:1fr 1fr 1fr}}
.dtc-card{background:#fff;border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:10px;padding:.9rem 1rem;display:flex;flex-direction:column;gap:.32rem}
.dtc-name{font-weight:700;color:var(--navy);font-size:.97rem;line-height:1.25}
.dtc-addr{font-size:.82rem;color:var(--ink);display:flex;gap:.35rem;align-items:flex-start}
.dtc-region{font-size:.74rem;font-weight:700;letter-spacing:.03em;text-transform:uppercase;color:var(--teal)}
.dtc-phone{font-size:.82rem;color:var(--muted);display:flex;gap:.35rem;align-items:center}
.dtc-phone a{font-weight:700;color:var(--navy)}
.dtc-ic{flex:none;opacity:.7;font-size:.85rem;line-height:1.3}
.dtc-go{font-size:.82rem;font-weight:700;color:var(--blue);margin-top:.3rem}
.dtc-none{color:var(--muted);font-size:.92rem;padding:.5rem}