/* CoreKnowledge unified design system. Loaded LAST on every page (after site.css, ck-ui.css, paths.css and any page <style>).
   Tokens live in site.css :root (--fs-*, --r-*, --btn-h*, --wrap-max, --gutter, --sec-y*, --icon-sw). One rule per concern, below. */

/* ---------- 1. fonts: Cabin headings, Public Sans body, nothing else ---------- */
body{font-family:var(--ff-body);font-size:var(--fs-body)}
h1,h2,h3,h4,.serif{font-family:var(--ff-head)}
input,select,textarea,button,optgroup{font-family:inherit}

/* ---------- 2. type tokens: H1 hero 54 / page 40, H2 32, H3 22, body 16, small 14, micro 12 ---------- */
.hero h1,.hero8 h1,.gw h1,.ph-hero h1,.bc-hero h1{font-size:var(--fs-h1-hero);line-height:1.1}
.uhero h1,.mhead h1,.legal h1,h1.h2{font-size:var(--fs-h1);line-height:1.15}
h2.h2,.band h2,.qz h2,.pane h2,.bmain h2,.sec h2,.cta-band h2,.sm h2,.panel h2{font-size:var(--fs-h2);line-height:1.15}
.kp h3,.pcol h3,.lvl h3,.legal h2,.card h2,.apanel h2,.vs-col h3,.sem h3,.ycol h3,.pmain h3,.prod h4,.pwc b{font-size:var(--fs-h3);line-height:1.2}
small,.small{font-size:var(--fs-sm)}
.kicker,.k,.pill,.pwtag,.qst,.badge,.chip,.tmline,.legalnote{font-size:var(--fs-xs)}

/* ---------- 3. container + section rhythm (8px grid: 64 / 48 / 32) ---------- */
.wrap,.know,.steps,.pmain,.bc-main{max-width:var(--wrap-max);padding-left:var(--gutter);padding-right:var(--gutter)}
.wrap{margin-left:auto;margin-right:auto}
@supports (padding:max(0px)){.wrap{padding-left:max(var(--gutter),env(safe-area-inset-left));padding-right:max(var(--gutter),env(safe-area-inset-right))}}
section.block,.wrap.block{padding-top:var(--sec-y);padding-bottom:var(--sec-y)}
section.block+section.block{padding-top:0}
.pmain,.bc-main{padding-top:var(--sec-y-sm);padding-bottom:var(--sec-y)}
.sec{margin-top:var(--sec-y-sm)}
.cta-band{margin-top:var(--sec-y-sm)}

/* ---------- 4. ONE quantum button spec: radius 12, height 48 (primary) / 40 (small), 16px/600 ---------- */
.btn{min-height:var(--btn-h);padding:0 24px;border-radius:var(--r-btn);font-size:var(--fs-body);font-weight:600;line-height:1.2;letter-spacing:0}
.btn-sm,.site-head .actions .btn,.pcol .vy,.pwseg .btn,.lq-next{min-height:var(--btn-h-sm);padding:0 16px;border-radius:var(--r-btn);font-size:var(--fs-sm)}
.hero .ctas .btn,.hero8 .ctas .btn,.both .btn,.prod .btn,.apanel .btn,.btn-dis,.go,.gw .btn{min-height:var(--btn-h);padding:0 24px;font-size:var(--fs-body);border-radius:var(--r-btn)}
.pwseg .btn{padding:0 18px}
/* every primary action is red, whatever the legacy class says; no blue or green fills */
.btn-blue,.btn-green,.btn-pw{background:linear-gradient(180deg,#E8302F 0%,var(--cta) 55%,var(--cta2) 100%);color:#fff;border-bottom-color:var(--cta-edge)}
.btn-blue:hover,.btn-green:hover,.btn-pw:hover{color:#fff;box-shadow:0 1px 0 rgba(255,255,255,.35) inset,0 16px 30px -12px rgba(214,31,31,.7)}
/* secondary = navy outline */
.btn-line{background:#fff;color:var(--navy);border:2px solid var(--navy);border-bottom-width:3px}
.btn-line:hover{border-color:var(--pwink);color:var(--pwink)}
.btn-dis{border-radius:var(--r-btn)}
@media (max-width:640px){.btn{min-height:var(--btn-h)}.btn-sm,.site-head .actions .btn,.pcol .vy,.pwseg .btn,.lq-next{min-height:var(--btn-h-sm)}}

/* ---------- 5. radius tokens: cards 16, buttons 12, pills 999 ---------- */
.card,.panel,.prod,.pwc,.doors,.sec,.cta-band,.mhead,.qwrap,.kcard,.band,.qz,.qcard,.tutor,.stats .grid,.detail,.gallery figure,.journey li,.compare,.pipe,.areas,.outs,.proof li,.bt,.vs-col,.feat,.mastery,.lq,.mock,.pcol,.tour-frame,.chosen,.pdisc,.bc-note,.slot,.steps li,.hubgrid a,.legal .sec,.legal .toc,.three div,.sm,.mtop,.mcard,.apanel,.helpbar,.login,.rl{border-radius:var(--r-card)}
.door,.bmrow,.paper,.opt,.tabs2 button,.ktabs button,.field input,.field select,.pnav a,.ytabs button,.tour-tabs button{border-radius:var(--r-btn)}

/* ---------- 6. ONE header: same height, nav row, outline log in + one red action ---------- */
.site-head{position:sticky;top:0;z-index:30;background:#fff;border-bottom:1px solid var(--line);border-top:0}
body[data-path] .site-head{border-top:0;box-shadow:inset 0 4px 0 var(--pw)}
.site-head .wrap{display:flex;flex-wrap:nowrap;align-items:center;gap:12px 24px;min-height:var(--head-h);padding-top:0;padding-bottom:0}
.site-head .logo{flex:none;display:block}
.site-head .logo img{height:46px;width:auto;display:block}
.site-head nav{display:flex;flex:1 1 auto;flex-wrap:nowrap;gap:2px;white-space:nowrap;font-size:var(--fs-sm);font-weight:600;min-width:0}
.site-head nav a{padding:8px 12px;color:var(--ink);text-decoration:none}
.site-head nav a[aria-current=page]{color:var(--pwink);font-weight:700}
.site-head .actions{display:flex;flex:none;flex-wrap:nowrap;gap:8px;margin-left:auto}
@media (max-width:1180px){
 .site-head .wrap{flex-wrap:wrap;padding-top:8px;padding-bottom:0;gap:4px 16px;min-height:0}
 .site-head nav{order:3;flex:1 1 100%;overflow-x:auto;margin:0 -8px;padding:0 8px;scrollbar-width:none}
 .site-head nav::-webkit-scrollbar{display:none}
 .site-head nav a{padding:10px 12px}
 .site-head .actions{margin-left:auto}
}
@media (max-width:520px){
 .site-head .logo img{height:36px}
 .site-head .actions{gap:6px}.site-head .actions .btn{padding:0 12px}
 .site-head .wrap{gap:4px 8px}
}
/* ribbon: identical on every page */
.pribbon{font-size:var(--fs-sm);padding:8px var(--gutter);border-top:0}
.pribbon b{font-size:var(--fs-xs)}
.pribbon{min-height:40px}
/* breadcrumb row: slim, under the ribbon, aligned to the container */
.crumbbar{background:#fff;border-bottom:1px solid var(--line)}
.crumbbar .wrap{padding-top:8px;padding-bottom:8px;font-size:var(--fs-sm);font-weight:600;color:var(--muted)}
.crumbbar a{color:var(--muted);text-decoration:none;font-weight:600}.crumbbar a:hover{color:var(--navy);text-decoration:underline}
.crumbbar .cur{color:var(--navy)}
.crumbbar .sep{margin:0 8px;color:#9AA4D4}

/* ---------- 7. compact gradient hero for utility pages (enrol, enquire, access, legal) ---------- */
.uhero{position:relative;overflow:hidden;color:#fff;background:linear-gradient(115deg,#1F3496 0%,#2E48C4 52%,#4A68EA 100%)}
.uhero::after{content:"";position:absolute;right:-140px;top:-200px;width:460px;height:460px;border-radius:50%;border:56px solid rgba(255,255,255,.07)}
.uhero .wrap{position:relative;z-index:1;padding-top:var(--sec-y-sm);padding-bottom:var(--sec-y-sm)}
.uhero .k{display:inline-block;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.3);border-radius:var(--r-pill);padding:6px 14px;font-weight:800;letter-spacing:.1em;text-transform:uppercase}
.uhero h1{font-family:var(--ff-head);font-weight:700;color:#fff;margin:12px 0 0;max-width:900px}
.uhero p{margin:8px 0 0;color:#EEF0FF;font-size:var(--fs-body);max-width:680px}
.uhero+.wrap{padding-top:var(--sec-y-sm)}
.legal .meta{font-size:var(--fs-xs)}
html[data-theme="contrast"] :is(.uhero,.bc-hero){background:#000!important;background-image:none!important;color:#fff}

/* ---------- 8. ONE footer ---------- */
.site-foot{font-size:var(--fs-sm)}
.site-foot .wrap{display:grid;grid-template-columns:minmax(240px,340px) 1fr;gap:var(--sec-y-sm) 56px;align-items:start;padding-top:var(--sec-y-md);padding-bottom:var(--sec-y-md)}
.site-foot .ft-brand p{margin:12px 0 0}
.site-foot .links{display:flex;flex-wrap:wrap;gap:10px 28px;align-content:start}
.site-foot .legalrow,.site-foot .pdisc,.site-foot .legalnote{grid-column:1/-1;width:auto}
.site-foot .legalrow{display:flex;flex-wrap:wrap;gap:6px 18px;border-top:1px solid rgba(255,255,255,.18);padding-top:18px;font-size:var(--fs-sm)}
.site-foot .legalnote{line-height:1.6;opacity:.9}
@media (max-width:760px){.site-foot .wrap{grid-template-columns:1fr}}

/* ---------- 9. ONE icon set: inline SVG, 1.75 stroke ---------- */
.ic{width:1.25em;height:1.25em;flex:none;fill:none;stroke:currentColor;stroke-width:var(--icon-sw);stroke-linecap:round;stroke-linejoin:round;vertical-align:-.25em}
.steps li b .ic{width:16px;height:16px;vertical-align:middle}
.door .di .ic{width:22px;height:22px}
.trust .ic{width:20px;height:20px;padding:3px;border-radius:6px;background:#CFE0FF;color:#1B2766;margin-right:9px;vertical-align:middle}
.facts .ic,.lg .n .ic{width:20px;height:20px}
.lg .n .ic{width:16px;height:16px;stroke:#fff}
.fv-types .ic{width:16px;height:16px}
.tour-bar .url .ic{width:14px;height:14px;margin-right:6px;vertical-align:-2px}
.mock .foot .ic{width:14px;height:14px;margin-right:4px}

/* ---------- 10. housekeeping ---------- */
/* Aa button: small, bottom-left, safe offset, never covers the footer or the reading column on phones */
#ckm-fab{width:44px;height:44px;border-radius:var(--r-btn);font-size:var(--fs-sm);left:max(12px,env(safe-area-inset-left));bottom:max(12px,env(safe-area-inset-bottom));opacity:.88}
#ckm-fab:hover,#ckm-fab:focus-visible,#ckm-fab[aria-expanded=true]{opacity:1}
#ckm-panel{left:max(12px,env(safe-area-inset-left));bottom:calc(max(12px,env(safe-area-inset-bottom)) + 54px)}
body{padding-bottom:0}
@media (max-width:640px){#ckm-fab{width:40px;height:40px;opacity:.8}}
/* paper rows are real links (middle-click works) */
.pgrid a.bmrow{text-decoration:none;color:var(--navy)}
.uhero+.wrap{padding-top:var(--sec-y-sm);padding-bottom:var(--sec-y)}
.uhero+.wrap .legal{margin-left:0}
.facts .ic{width:26px;height:26px}
.bc-note{background:#fff;border:2px solid #DDE2F2;border-left:6px solid #000;border-radius:var(--r-card);padding:14px 18px;font-size:var(--fs-sm);line-height:1.55;color:#232A4D;margin:0 0 var(--sec-y-sm)}
.bc-note b{color:#124466}
.bmain>.bc-note{margin-top:var(--sec-y-sm)}
.btn-prac{min-height:var(--btn-h-sm);padding:0 16px;border-radius:var(--r-btn);font-size:var(--fs-sm);font-weight:600}
.mt-h{font-size:var(--fs-h1);line-height:1.15}
.hero h1{margin-top:16px}

/* ---- CK product panel: one standard (Learn / Practise / Prove it) ---- */
.ckp{display:block}
.ckp-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;align-items:stretch}
.ckp-card{position:relative;display:flex;flex-direction:column;gap:6px;background:#fff;border:2px solid #DDE2F2;border-radius:18px;padding:22px 18px 18px;overflow:hidden}
.ckp-card::before{content:"";position:absolute;left:0;right:0;top:0;height:5px;background:var(--bar)}
.ckp-card.learn{--bar:linear-gradient(90deg,#4F46E5,#38BDF8);--kc:#4338CA}
.ckp-card.practise{--bar:#047857;--kc:#047857}
.ckp-card.prove{--bar:#D61F1F;--kc:#D61F1F}
.ckp-k{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--kc)}
.ckp-card h4{font-family:'Cabin',sans-serif;font-size:21px;line-height:1.2;margin:0;color:var(--navy,#1B2766)}
.ckp-card p{margin:0 0 10px;font-size:14px;line-height:1.5;color:var(--muted,#5A6185);flex:1}
.ckp-act{display:flex;flex-direction:column;gap:6px;min-height:86px;justify-content:flex-start}
.ckp-act .btn,.ckp-off{width:100%;min-height:48px;display:flex;align-items:center;justify-content:center;text-align:center;box-sizing:border-box}
.ckp-off{border-radius:12px;background:#EEF0F8;color:#6B7194;font-weight:700;font-size:15px;border:2px dashed #CBD1E8;cursor:not-allowed}
.ckp-nl{text-align:center;font-weight:800;font-size:14px;color:#2B3A9A}
.ckp-card.soon{background:#FAFBFE}
.ckp-both{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.ckp-both .btn{min-height:48px}
.ckp-also{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:16px;padding-top:14px;border-top:1px solid #E3E7F5}
.ckp-al{font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--muted,#5A6185);margin-right:4px}
.ckp-chip{display:inline-flex;align-items:center;gap:7px;min-height:36px;padding:0 14px;border-radius:999px;border:1.5px solid #CBD1E8;background:#F6F8FF;color:#1B2766;font-size:14px;font-weight:700;text-decoration:none;transition:transform .15s,border-color .15s,box-shadow .15s}
.ckp-chip:hover{border-color:#4F46E5;transform:translateY(-1px);box-shadow:0 6px 14px -8px #4F46E5}
.ckp-chip:focus-visible,.ckp-nl:focus-visible{outline:3px solid #4F46E5;outline-offset:2px}
.ckp-i{flex:none}
.ckp.compact .ckp-cards{grid-template-columns:1fr}
.ckp.compact .ckp-act{min-height:0}
@media (max-width:860px){.ckp-cards{grid-template-columns:1fr}.ckp-act{min-height:0}}
@media (prefers-reduced-motion:reduce){.ckp-chip{transition:none}.ckp-chip:hover{transform:none}}
html[data-theme="dark"] .ckp-card{background:#161B3A;border-color:#2C3366}
html[data-theme="dark"] .ckp-card h4{color:#E7EBFB}
html[data-theme="dark"] .ckp-card.learn{--kc:#A5B4FC}
html[data-theme="dark"] .ckp-card.practise{--kc:#6EE7B7}
html[data-theme="dark"] .ckp-card.prove{--kc:#FCA5A5}
html[data-theme="dark"] .ckp-chip{background:#161B3A;border-color:#2C3366;color:#E7EBFB}
html[data-theme="dark"] .ckp-off{background:#20264D;color:#9AA3CF;border-color:#3A4380}
html[data-theme="dark"] .ckp-nl{color:#A5B4FC}
.ckp.compact .ckp-both .btn{width:100%;height:auto;min-height:48px;padding:10px 16px;box-sizing:border-box}

/* ---------- 11. page navigation bar (Back / Home / trail | Next) + Back to top ---------- */
.crumbbar .nb{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:8px;padding-bottom:8px}
.crumbbar .nb-l{display:flex;align-items:center;gap:8px;min-width:0;flex:1 1 auto}
.crumbbar .nb-trail{min-width:0;margin-left:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.crumbbar .nb-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;flex:0 0 auto;height:40px;min-width:40px;padding:0 14px;box-sizing:border-box;
  background:transparent;border:1px solid var(--line);border-radius:var(--r-btn);color:var(--navy);font-size:var(--fs-sm);font-weight:600;line-height:1;text-decoration:none;
  transition:background-color .15s,border-color .15s,color .15s}
.crumbbar .nb-btn:hover{background:#F2F4FB;border-color:#B9C2E6;color:var(--navy);text-decoration:none}
.crumbbar .nb-btn:focus-visible,#ck-top:focus-visible{outline:3px solid #FFB800;outline-offset:2px}
.crumbbar .nb-btn .ic{width:18px;height:18px;stroke-width:1.75;flex:0 0 auto}
.crumbbar .nb-btn[hidden]{display:none}
.crumbbar .nb-next{max-width:min(46%,360px)}
.crumbbar .nb-lab{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.crumbbar .nb-lab b{font-weight:700}
.crumbbar .nb-lab-s{display:none}
@media (max-width:720px){
  .crumbbar .nb{gap:8px}
  .crumbbar .nb-t{display:none}
  .crumbbar .nb-back,.crumbbar .nb-home{padding:0;width:40px}
  .crumbbar .nb-trail{display:none}
  .crumbbar .nb-l{flex:0 0 auto}
  .crumbbar .nb-next{margin-left:auto;padding:0 12px}
  .crumbbar .nb-lab{display:none}
  .crumbbar .nb-lab-s{display:inline}
}
#ck-top{position:fixed;right:max(12px,env(safe-area-inset-right));bottom:max(12px,env(safe-area-inset-bottom));z-index:99980;width:44px;height:44px;padding:0;
  display:inline-flex;align-items:center;justify-content:center;background:#fff;color:var(--navy);border:1px solid #B9C2E6;border-radius:var(--r-btn);
  box-shadow:0 4px 14px rgba(20,30,80,.18);cursor:pointer;opacity:0;transform:translateY(8px);transition:opacity .2s,transform .2s,background-color .15s}
#ck-top[hidden]{display:none}
#ck-top.on{opacity:.92;transform:none}
#ck-top:hover{opacity:1;background:#F2F4FB}
@media (max-width:640px){#ck-top{width:40px;height:40px}}
@media (prefers-reduced-motion:reduce){#ck-top,.crumbbar .nb-btn{transition:none}}
@media print{#ck-top,.crumbbar .nb-btn{display:none}}