/* Learn-PnC — charcoal + lime on light grey. Serif display, top navigation, route-map home.
   Token names are historical: --teal* = the charcoal surface family, --coral* = the lime accent family. */
:root{
  --bg:#f5f6f7;--paper:#ffffff;--sand:#eceef0;--ink:#1f2329;--ink-2:#3a4048;--muted:#626a73;--line:#dde0e4;
  --teal:#1f2329;--teal-2:#2d333b;--teal-ink:#3f6212;--teal-soft:#eceef0;
  --coral:#a3e635;--coral-ink:#4d7c0f;--coral-soft:#effad9;--on-accent:#1a2e05;
  --ok:#2f7d5b;--ok-soft:#e1f2e8;--bad:#b9382a;--bad-soft:#fbe3df;
  --on-teal:#f2f3f5;--on-teal-muted:#a7aeb7;
  --shadow:0 1px 0 rgba(31,35,41,.04),0 8px 24px -12px rgba(31,35,41,.2);
  --radius:14px;--serif:"Fraunces",Georgia,"Times New Roman",serif;--sans:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,Consolas,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#121417;--paper:#1a1d21;--sand:#22262b;--ink:#e8eaed;--ink-2:#c4c9cf;--muted:#8e96a0;--line:#2e333a;
    --teal:#0c0e11;--teal-2:#262b31;--teal-ink:#bef264;--teal-soft:#20252b;
    --coral:#a3e635;--coral-ink:#bef264;--coral-soft:#232f12;--on-accent:#1a2e05;
    --ok:#6fcf9f;--ok-soft:#143326;--bad:#ff8a7a;--bad-soft:#3a1c18;
    --on-teal:#eef0f2;--on-teal-muted:#9aa2ac;
    --shadow:0 1px 0 rgba(0,0,0,.2),0 10px 28px -14px rgba(0,0,0,.6);color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#121417;--paper:#1a1d21;--sand:#22262b;--ink:#e8eaed;--ink-2:#c4c9cf;--muted:#8e96a0;--line:#2e333a;
  --teal:#0c0e11;--teal-2:#262b31;--teal-ink:#bef264;--teal-soft:#20252b;
  --coral:#a3e635;--coral-ink:#bef264;--coral-soft:#232f12;--on-accent:#1a2e05;
  --ok:#6fcf9f;--ok-soft:#143326;--bad:#ff8a7a;--bad-soft:#3a1c18;
  --on-teal:#eef0f2;--on-teal-muted:#9aa2ac;
  --shadow:0 1px 0 rgba(0,0,0,.2),0 10px 28px -14px rgba(0,0,0,.6);color-scheme:dark;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--ink);font:16.5px/1.68 var(--sans);font-feature-settings:"cv11","ss01";-webkit-font-smoothing:antialiased}
img,svg{max-width:100%}
a{color:var(--teal-ink);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--coral-ink)}
:focus-visible{outline:3px solid var(--coral);outline-offset:2px;border-radius:4px}
.wrap{width:min(1180px,100% - 32px);margin-inline:auto}
.skip{position:absolute;left:-999px;top:8px;background:var(--coral);color:var(--on-accent);padding:8px 14px;border-radius:8px;z-index:99}
.skip:focus{left:16px}

/* ---------- Header ---------- */
.site-head{position:sticky;top:0;z-index:40;background:var(--teal);color:var(--on-teal);border-bottom:1px solid rgba(255,255,255,.06)}
.site-head:empty{height:64px}
.site-head .wrap{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--on-teal);text-decoration:none;font:600 1.28rem/1 var(--serif);letter-spacing:-.01em}
.brand svg{width:30px;height:30px}
.brand b{color:var(--coral);font-weight:600}
.brand:hover{color:#fff}
.top-nav{display:flex;gap:4px;margin-left:auto;align-items:center}
.top-nav a{color:var(--on-teal);text-decoration:none;font-size:.92rem;font-weight:500;padding:8px 12px;border-radius:999px}
.top-nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.top-nav a[aria-current="page"]{background:var(--coral);color:var(--on-accent)}
.icon-btn{background:transparent;border:1px solid rgba(255,255,255,.18);color:var(--on-teal);width:38px;height:38px;border-radius:999px;display:grid;place-items:center;cursor:pointer}
.icon-btn:hover{background:rgba(255,255,255,.08)}
.icon-btn svg{width:18px;height:18px}
.menu-btn{display:none}
.read-bar{position:absolute;left:0;bottom:-1px;height:3px;background:var(--coral);width:0;transition:width .1s linear}
@media (max-width:820px){
  .menu-btn{display:grid;margin-left:auto}
  .top-nav{position:absolute;top:64px;left:0;right:0;background:var(--teal);flex-direction:column;align-items:stretch;padding:8px 16px 16px;gap:2px;display:none;border-bottom:1px solid rgba(255,255,255,.08)}
  .top-nav.open{display:flex}
  .top-nav a{border-radius:10px;padding:12px 14px}
  .top-nav .icon-btn{align-self:flex-start;margin-top:6px}
}

/* ---------- Type ---------- */
h1,h2,h3,h4{font-family:var(--serif);color:var(--ink);line-height:1.18;letter-spacing:-.015em;font-optical-sizing:auto}
h1{font-size:clamp(2.1rem,4.6vw,3.4rem);font-weight:600;margin:.2em 0 .35em}
h2{font-size:clamp(1.5rem,2.6vw,1.95rem);font-weight:600;margin:2.4em 0 .6em}
h3{font-size:1.24rem;font-weight:600;margin:1.8em 0 .4em}
h4{font-family:var(--sans);font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:1.6em 0 .4em}
p{margin:0 0 1.05em}
ul,ol{padding-left:1.25em;margin:0 0 1.1em}
li{margin:.25em 0}
li::marker{color:var(--coral)}
strong{font-weight:650}
main li::marker,.article li::marker{color:var(--coral-ink)}
.recap li::marker{color:var(--coral)}
code,kbd{font-family:var(--mono);font-size:.86em;background:var(--sand);border:1px solid var(--line);padding:.08em .38em;border-radius:6px}
hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}
.eyebrow{font:600 .78rem/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--coral-ink)}
.lede{font-size:1.18rem;line-height:1.6;color:var(--ink-2)}
.da{font-style:italic;color:var(--coral-ink);font-weight:500}

/* ---------- Home ---------- */
.hero{background:var(--teal);color:var(--on-teal);position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;top:-80px;width:520px;height:520px;border-radius:50%;border:70px solid rgba(163,230,53,.12);pointer-events:none}
.hero .wrap{padding:72px 0 88px;position:relative;z-index:1}
.hero h1{color:#fff;max-width:17ch;font-size:clamp(2.3rem,5.4vw,4rem);font-weight:500}
.hero h1 em{font-style:italic;color:var(--coral)}
.hero p{max-width:60ch;color:var(--on-teal-muted);font-size:1.12rem}
.hero .eyebrow{color:var(--coral)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.btn{display:inline-flex;align-items:center;gap:8px;font:600 .95rem/1 var(--sans);padding:14px 20px;border-radius:999px;text-decoration:none;border:1px solid transparent;cursor:pointer}
.btn-coral{background:var(--coral);color:var(--on-accent)}
.btn-coral:hover{background:var(--coral-ink);color:#fff}
.btn-ghost{border-color:rgba(255,255,255,.28);color:var(--on-teal)}
.btn-ghost:hover{background:rgba(255,255,255,.08);color:#fff}
.btn-line{border-color:var(--line);color:var(--ink);background:var(--paper)}
.btn-line:hover{border-color:var(--coral);color:var(--coral-ink)}
.stats{display:flex;flex-wrap:wrap;gap:36px;margin-top:48px;padding-top:28px;border-top:1px solid rgba(255,255,255,.12)}
.stats div{font:500 2rem/1 var(--serif);color:#fff}
.stats span{display:block;font:500 .8rem/1.4 var(--sans);color:var(--on-teal-muted);margin-top:6px;letter-spacing:.02em}

.overall{margin:-44px auto 0;position:relative;z-index:2;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px 24px;display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.overall .meter{flex:1;min-width:200px;height:10px;background:var(--sand);border-radius:999px;overflow:hidden}
.overall .meter i{display:block;height:100%;background:linear-gradient(90deg,var(--teal-2),var(--coral));width:0;border-radius:999px;transition:width .6s}
.overall strong{font:600 1.05rem/1.2 var(--serif)}
.overall small{color:var(--muted)}

.route{margin:64px auto 40px}
.part{display:grid;grid-template-columns:240px 1fr;gap:32px;padding:36px 0;border-top:1px solid var(--line)}
.part-head h2{margin:.25em 0 .4em;font-size:1.6rem}
.part-head p{color:var(--muted);font-size:.95rem}
.part-num{font:500 4.2rem/1 var(--serif);color:var(--coral-ink)}
.stops{list-style:none;padding:0;margin:0;position:relative}
.stops::before{content:"";position:absolute;left:23px;top:24px;bottom:24px;border-left:2px dashed var(--line)}
.stop{position:relative;margin:0 0 12px}
.stop a{display:grid;grid-template-columns:48px 1fr auto;gap:18px;align-items:center;text-decoration:none;color:inherit;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px 16px 0;transition:transform .15s,border-color .15s,box-shadow .15s}
.stop a:hover{border-color:var(--coral);box-shadow:var(--shadow);transform:translateX(3px)}
.stop .dot{width:48px;height:48px;margin-left:-1px;border-radius:50%;display:grid;place-items:center;background:var(--bg);border:2px solid var(--line);font:600 1rem/1 var(--serif);color:var(--muted);position:relative;left:-1px}
.stop[data-state="done"] .dot{background:var(--ok);border-color:var(--ok);color:#fff}
.stop[data-state="started"] .dot{border-color:var(--coral);color:var(--coral-ink)}
.stop h3{margin:0;font-size:1.12rem}
.stop p{margin:.15em 0 0;color:var(--muted);font-size:.92rem;line-height:1.5}
.chip{font:600 .72rem/1 var(--sans);letter-spacing:.04em;padding:6px 10px;border-radius:999px;background:var(--sand);color:var(--muted);white-space:nowrap}
.chip.ok{background:var(--ok-soft);color:var(--ok)}
.chip.go{background:var(--coral-soft);color:var(--coral-ink)}
@media (max-width:820px){
  .part{grid-template-columns:1fr;gap:12px}
  .part-num{font-size:3rem}
  .stop a{grid-template-columns:44px 1fr;padding-right:14px}
  .stop .chip{grid-column:2;justify-self:start}
  .stop .dot{width:44px;height:44px}
  .stops::before{left:21px}
}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:24px 0 72px}
.feature{background:var(--sand);border-radius:var(--radius);padding:24px}
.feature h3{margin:.2em 0 .3em;font-size:1.15rem}
.feature p{margin:0;color:var(--ink-2);font-size:.95rem}
.feature .ico{width:40px;height:40px;border-radius:12px;background:var(--teal);color:var(--coral);display:grid;place-items:center}
.feature .ico svg{width:22px;height:22px}
@media (max-width:820px){.features{grid-template-columns:1fr}}

/* ---------- Module page ---------- */
.mod-hero{background:var(--sand);border-bottom:1px solid var(--line)}
.mod-hero .wrap{padding:44px 0 36px}
.mod-hero h1{max-width:22ch;margin-bottom:.25em}
.mod-hero .lede{max-width:62ch;margin:0}
.crumbs{font-size:.86rem;color:var(--muted);display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.crumbs a{color:var(--muted)}
.meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.meta .chip{background:var(--paper);border:1px solid var(--line)}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:56px;padding:40px 0 80px}
.article{max-width:740px;min-width:0}
.article>h2:first-child{margin-top:.4em}
.article h2{scroll-margin-top:84px;display:flex;gap:14px;align-items:baseline}
.article h2 .n{font:500 .95rem/1 var(--sans);color:var(--coral-ink);border:1px solid currentColor;border-radius:999px;padding:5px 9px;flex:none;transform:translateY(-4px)}
.toc{position:sticky;top:96px;align-self:start;font-size:.9rem}
.toc h4{margin-top:0}
.toc ol{list-style:none;padding:0;margin:0;border-left:2px solid var(--line)}
.toc li{margin:0}
.toc a{display:block;padding:6px 0 6px 14px;margin-left:-2px;border-left:2px solid transparent;color:var(--muted);text-decoration:none;line-height:1.4}
.toc a:hover{color:var(--ink)}
.toc a.active{color:var(--coral-ink);border-left-color:var(--coral);font-weight:600}
.toc .side-card{margin-top:24px;background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:14px}
.toc .side-card p{margin:0 0 10px;color:var(--muted);font-size:.85rem}
@media (max-width:1000px){.layout{grid-template-columns:1fr;gap:0}.toc{display:none}}

/* ---------- Content components ---------- */
.note{border-radius:12px;padding:16px 18px 16px 52px;margin:1.6em 0;position:relative;background:var(--paper);border:1px solid var(--line);font-size:.97rem}
.note::before{position:absolute;left:14px;top:15px;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;font:700 .66rem/1 var(--sans);letter-spacing:.03em}
.note>:last-child{margin-bottom:0}
.note strong:first-child{display:block;margin-bottom:2px;font-family:var(--serif);font-size:1.03rem}
.note.dk{background:var(--coral-soft);border-color:transparent}
.note.dk::before{content:"DK";background:var(--coral);color:var(--on-accent)}
.note.gw{background:var(--teal-soft);border-color:transparent}
.note.gw::before{content:"GW";background:var(--teal);color:var(--coral)}
.note.tip::before{content:"!";background:var(--sand);color:var(--ink);font-size:.9rem;border:1px solid var(--line)}
.example{border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);margin:1.8em 0;overflow:hidden}
.example>header{background:var(--teal);color:var(--on-teal);padding:12px 18px;font:600 .82rem/1.3 var(--sans);letter-spacing:.06em;text-transform:uppercase;display:flex;gap:10px;align-items:center}
.example>header::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--coral)}
.example>div{padding:18px 20px}
.example>div>:last-child{margin-bottom:0}
.tbl-wrap{overflow-x:auto;margin:1.4em 0;border:1px solid var(--line);border-radius:12px;background:var(--paper)}
table{border-collapse:collapse;width:100%;font-size:.93rem}
th,td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--line);vertical-align:top}
th{font:600 .76rem/1.3 var(--sans);letter-spacing:.06em;text-transform:uppercase;color:var(--muted);background:var(--sand)}
tr:last-child td{border-bottom:0}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
tr.total td{font-weight:650;background:var(--sand)}
.flow{display:flex;flex-wrap:wrap;gap:0;margin:1.6em 0;counter-reset:f;list-style:none;padding:0}
.flow li{flex:1 1 130px;margin:0;position:relative;padding:14px 16px 14px 18px;background:var(--paper);border:1px solid var(--line);border-right:0;counter-increment:f;font-size:.9rem;line-height:1.4}
.flow li:first-child{border-radius:12px 0 0 12px}
.flow li:last-child{border-right:1px solid var(--line);border-radius:0 12px 12px 0}
.flow li::before{content:counter(f,decimal-leading-zero);display:block;font:600 .74rem/1 var(--sans);color:var(--coral-ink);margin-bottom:6px;letter-spacing:.06em}
.flow li b{display:block;font-family:var(--serif);font-size:1.02rem;margin-bottom:2px}
@media (max-width:640px){.flow{flex-direction:column}.flow li{border-right:1px solid var(--line);border-bottom:0}.flow li:first-child{border-radius:12px 12px 0 0}.flow li:last-child{border-radius:0 0 12px 12px;border-bottom:1px solid var(--line)}}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:1.4em 0}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:1.4em 0}
@media (max-width:700px){.grid2,.grid3{grid-template-columns:1fr}}
.card{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:16px 18px}
.card h3,.card h4{margin-top:0}
.card h3{font-size:1.06rem;margin-bottom:.3em}
.card p,.card ul{font-size:.93rem;margin-bottom:0}
.card .tag{float:right;margin-left:8px}
.kv{display:grid;grid-template-columns:max-content 1fr;gap:6px 18px;font-size:.94rem;margin:1em 0}
.kv dt{font-weight:650}
.kv dd{margin:0;color:var(--ink-2)}
@media (max-width:600px){.kv{grid-template-columns:1fr;gap:2px}.kv dd{margin-bottom:12px}}
.diagram{margin:1.8em 0;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.diagram svg{display:block;width:100%;height:auto}
.diagram figcaption{font-size:.85rem;color:var(--muted);margin-top:10px}
.svg-box{fill:var(--sand);stroke:var(--line)}
.svg-teal{fill:var(--teal)}
.svg-coral{fill:var(--coral)}
.svg-t{fill:var(--ink);font:600 13px var(--sans)}
.svg-s{fill:var(--muted);font:500 11px var(--sans)}
.svg-w{fill:#fff;font:600 13px var(--sans)}
.svg-coral+text.svg-w{fill:var(--on-accent)}
.svg-line{stroke:var(--muted);stroke-width:1.5;fill:none}
.promo{display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap;background:var(--teal);color:var(--on-teal);border-radius:var(--radius);padding:18px 22px;margin:0 0 2em;border-left:6px solid var(--coral)}
.promo strong{display:block;font-family:var(--serif);font-size:1.15rem;color:#fff;margin-bottom:2px}
.promo span{font-size:.94rem;color:var(--on-teal-muted)}
.promo .btn{padding:11px 16px;font-size:.88rem}
.recap{background:var(--teal);color:var(--on-teal);border-radius:var(--radius);padding:22px 26px;margin:2.6em 0 1em}
.recap h2{color:#fff;margin:0 0 .5em;font-size:1.4rem}
.recap li::marker{color:var(--coral)}
.recap ul{margin:0}

/* ---------- Quiz ---------- */
.quiz{margin:2.6em 0 1em;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);overflow:hidden}
.quiz-head{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:18px 22px;border-bottom:1px solid var(--line);background:var(--sand);flex-wrap:wrap}
.quiz-head h2{margin:0;font-size:1.35rem}
.quiz-head .chip{background:var(--paper)}
.q{padding:20px 22px;border-bottom:1px solid var(--line)}
.q:last-of-type{border-bottom:0}
.q-text{font-weight:600;margin-bottom:12px;display:flex;gap:10px}
.q-text span{color:var(--coral-ink);font-family:var(--serif);flex:none}
.opts{display:grid;gap:8px}
.opt{display:flex;gap:10px;align-items:flex-start;text-align:left;width:100%;font:inherit;font-size:.95rem;line-height:1.45;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:10px 14px;cursor:pointer}
.opt:hover:not([disabled]){border-color:var(--coral)}
.opt .k{font:700 .74rem/1.9 var(--sans);color:var(--muted);flex:none;width:18px}
.opt[disabled]{cursor:default}
.opt.right{background:var(--ok-soft);border-color:var(--ok);color:var(--ink)}
.opt.wrong{background:var(--bad-soft);border-color:var(--bad)}
.explain{margin-top:10px;font-size:.92rem;color:var(--ink-2);padding:10px 14px;border-left:3px solid var(--coral);background:var(--bg);border-radius:0 8px 8px 0}
.quiz-foot{padding:18px 22px;display:flex;gap:12px;align-items:center;flex-wrap:wrap;background:var(--sand);border-top:1px solid var(--line)}
.quiz-foot .score{font:600 1.1rem/1.2 var(--serif)}

/* ---------- Module end ---------- */
.complete-box{display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap;border:2px dashed var(--line);border-radius:var(--radius);padding:18px 22px;margin:2em 0}
.complete-box.done{border-style:solid;border-color:var(--ok);background:var(--ok-soft)}
.complete-box p{margin:0}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:24px}
.pager a{display:block;text-decoration:none;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:16px 18px}
.pager a:hover{border-color:var(--coral)}
.pager small{display:block;color:var(--muted);font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;margin-bottom:4px}
.pager span{font:600 1.05rem/1.3 var(--serif)}
.pager .next{text-align:right;grid-column:2}
@media (max-width:600px){.pager{grid-template-columns:1fr}.pager .next{grid-column:1}}

/* ---------- Reference ---------- */
.ref-tools{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin:0 0 20px;position:sticky;top:64px;background:var(--bg);padding:14px 0;z-index:5}
.ref-tools input{flex:1;min-width:220px;font:inherit;padding:12px 16px;border-radius:999px;border:1px solid var(--line);background:var(--paper);color:var(--ink)}
.ref-tools input:focus{outline:none;border-color:var(--coral);box-shadow:0 0 0 3px var(--coral-soft)}
.filters{display:flex;gap:6px;flex-wrap:wrap}
.filters button{font:600 .8rem/1 var(--sans);padding:9px 12px;border-radius:999px;border:1px solid var(--line);background:var(--paper);color:var(--ink-2);cursor:pointer}
.filters button[aria-pressed="true"]{background:var(--teal);border-color:var(--teal);color:var(--on-teal)}
.terms{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px}
.term{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.term h3{margin:0 0 4px;font-size:1.05rem;display:flex;justify-content:space-between;gap:8px;align-items:baseline}
.term h3 .chip{font-size:.66rem;padding:4px 8px}
.term p{margin:0;font-size:.92rem;color:var(--ink-2);line-height:1.5}
.term .alt{font-size:.82rem;color:var(--coral-ink);font-style:italic;margin-bottom:4px}
.empty{color:var(--muted);padding:40px 0;text-align:center}
.count{color:var(--muted);font-size:.88rem;margin-bottom:10px}

/* ---------- Footer ---------- */
.site-foot{border-top:1px solid var(--line);margin-top:40px;padding:36px 0 48px;color:var(--muted);font-size:.9rem}
.site-foot .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
.site-foot a{color:var(--muted)}
.site-foot p{margin:0 0 6px;max-width:60ch}
.site-foot .copy{flex-basis:100%;max-width:none;margin:12px 0 0;padding-top:16px;border-top:1px solid var(--line);font-weight:600;color:var(--ink-2)}

@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media print{.site-head,.toc,.pager,.complete-box,.quiz,.site-foot{display:none}.layout{display:block}}