:root{
  --ink:#1d1d1f; --ink-2:#4a4a4f; --ink-3:#6e6e73; --ink-4:#86868b;
  --canvas:#ffffff; --canvas-2:#f5f5fa; --canvas-3:#fafafd;
  --line:#d2d2d7; --line-2:#e8e8ed;
  --accent:#3f4eca; --accent-hover:#4c5edb; --accent-soft:#eef2ff; --accent-fill:#3f4eca; --accent-fill-hover:#4c5edb;
  --track:#e8e8ed; --shadow:0 1px 3px rgba(0,0,0,.06),0 8px 28px rgba(0,0,0,.05);
  --on-accent:#ffffff;
  --r:12px; --r-lg:18px;
  --ease:cubic-bezier(.23,1,.32,1);
  --maxw:1120px;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --ink:#f5f5f7; --ink-2:#c7c7cc; --ink-3:#9a9aa0; --ink-4:#8e8e93;
  --canvas:#000000; --canvas-2:#0c0c0e; --canvas-3:#1c1c1e;
  --line:#38383a; --line-2:#2c2c2e;
  --accent:#8ea4ff; --accent-hover:#a7baff; --accent-soft:#1a224d; --accent-fill:#8ea4ff; --accent-fill-hover:#a7baff; --on-accent:#0c0c0e;
  --track:#2c2c2e; --shadow:0 1px 3px rgba(0,0,0,.5),0 8px 28px rgba(0,0,0,.4);
}}
:root[data-theme="dark"]{
  --ink:#f5f5f7; --ink-2:#c7c7cc; --ink-3:#9a9aa0; --ink-4:#8e8e93;
  --canvas:#000000; --canvas-2:#0c0c0e; --canvas-3:#1c1c1e;
  --line:#38383a; --line-2:#2c2c2e;
  --accent:#8ea4ff; --accent-hover:#a7baff; --accent-soft:#1a224d; --accent-fill:#8ea4ff; --accent-fill-hover:#a7baff; --on-accent:#0c0c0e;
  --track:#2c2c2e; --shadow:0 1px 3px rgba(0,0,0,.5),0 8px 28px rgba(0,0,0,.4);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--canvas);color:var(--ink);
  font:400 17px/1.53 -apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
h1,h2,h3{font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-weight:600;letter-spacing:-.022em;text-wrap:balance;margin:0}
h1{font-size:clamp(34px,4.7vw,52px);line-height:1.06}
h2{font-size:clamp(27px,3.6vw,40px);line-height:1.12}
h3{font-size:19px;line-height:1.3;letter-spacing:-.01em}
p{margin:0}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.sect{padding:88px 0;border-top:1px solid var(--line-2)}
.sect.alt{background:var(--canvas-2)}
.sect.first{border-top:0}
@media(max-width:700px){.sect{padding:60px 0}}
.eyebrow{font-size:12px;letter-spacing:.07em;text-transform:uppercase;color:var(--ink-3);font-weight:600;margin:0 0 14px}
.lede{font-size:clamp(18px,2.2vw,21px);line-height:1.45;color:var(--ink-2);max-width:60ch;margin:18px 0 0}
.body{color:var(--ink-2);max-width:64ch;margin:14px 0 0}
.small{font-size:14px;color:var(--ink-3);max-width:70ch}

/* nav */
nav{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--canvas) 80%,transparent);
  backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid var(--line-2);height:52px;display:flex;align-items:center}
nav .wrap{display:flex;align-items:center;gap:20px;width:100%}
.brand{font-size:15px;font-weight:600;letter-spacing:-.01em;color:var(--ink);cursor:pointer;background:none;border:0;padding:0;font-family:inherit}
.navspace{flex:1}
.navlink{font-size:14px;color:var(--ink-2);background:none;border:0;cursor:pointer;font-family:inherit;padding:6px 2px}
.navlink:hover{color:var(--ink)}
.lang{display:flex;gap:0;border:1px solid var(--line);border-radius:999px;overflow:hidden}
.lang button{font:inherit;font-size:12px;padding:4px 10px;background:none;border:0;color:var(--ink-2);cursor:pointer}
.lang button[aria-pressed="true"]{background:var(--ink);color:var(--canvas)}
@media(max-width:640px){.navlink.hide-s{display:none}}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:inherit;font-size:16px;font-weight:500;
  padding:13px 26px;border-radius:999px;border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform 160ms var(--ease),background-color 200ms ease,border-color 200ms ease,color 200ms ease}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--accent-fill);color:var(--on-accent);border-color:var(--accent-fill)}
.btn-primary:hover{background:var(--accent-fill-hover);border-color:var(--accent-fill-hover);text-decoration:none}
.btn-ghost{background:transparent;color:var(--accent);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--accent);text-decoration:none}
.btn-quiet{background:var(--canvas-3);color:var(--ink);border-color:var(--line)}
.btn-quiet:hover{border-color:var(--ink-3);text-decoration:none}
.btn[disabled]{opacity:.4;cursor:not-allowed}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}

/* hero */
.hero{padding:76px 0 84px}
@media(max-width:900px){.hero{padding:52px 0 60px}}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-grid > *{min-width:0}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr;gap:38px}}

/* the specimen: a real 4x3 grid, not a mockup */
.specimen{background:var(--canvas);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:20px}
.specimen-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:16px}
.specimen-head .t{font-size:13px;font-weight:600}
.specimen-head .m{font-size:11px;color:var(--ink-3);text-transform:uppercase;letter-spacing:.06em}
.mx{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.mx .col > .h{font-size:11.5px;font-weight:600;color:var(--ink);padding-bottom:7px;border-bottom:1px solid var(--line);margin-bottom:9px;letter-spacing:-.005em}
.mxcell{padding:7px 0}
.mxcell + .mxcell{border-top:1px solid var(--line-2)}
.mxcell .n{font-size:11px;line-height:1.25;color:var(--ink-2);display:block;margin-bottom:5px;min-height:2.5em}
.mxcell .lv{display:block;font-size:10.5px;color:var(--ink-3);margin-top:4px;font-variant-numeric:tabular-nums}
.bars{display:flex;gap:2.5px}
.bars i{height:4px;flex:1;border-radius:2px;background:var(--track);transition:background-color 240ms var(--ease)}
.bars i.on{background:var(--accent-fill)}
.bars.none i{background:repeating-linear-gradient(90deg,var(--track) 0 3px,transparent 3px 6px)}
@media(max-width:520px){.mx{grid-template-columns:repeat(2,1fr);gap:14px}}

/* level strip */
.levels{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-2);border:1px solid var(--line-2);border-radius:var(--r);overflow:hidden;margin-top:34px}
.lvl{background:var(--canvas);padding:22px 20px}
.sect.alt .lvl{background:var(--canvas-2)}
.lvl .id{font-size:12px;font-weight:600;color:var(--accent);letter-spacing:.04em}
.lvl h3{margin:6px 0 8px}
.lvl p{font-size:14px;color:var(--ink-2);line-height:1.45}
@media(max-width:820px){.levels{grid-template-columns:repeat(2,1fr)}}
@media(max-width:460px){.levels{grid-template-columns:1fr}}

/* evidence rows */
.rows{margin-top:32px;border-top:1px solid var(--line)}
.row{display:grid;grid-template-columns:150px 1fr 128px;gap:24px;padding:20px 0;border-bottom:1px solid var(--line-2);align-items:start}
.row .k{font-size:15px;font-weight:600}
.row .k small{display:block;font-weight:400;font-size:12px;color:var(--ink-3);margin-top:3px;text-transform:uppercase;letter-spacing:.05em}
.row .v{font-size:15px;color:var(--ink-2);line-height:1.5}
.row .w{font-size:13px;color:var(--ink-3);text-align:right;font-variant-numeric:tabular-nums}
@media(max-width:760px){.row{grid-template-columns:1fr;gap:6px}.row .w{text-align:left}}
.rules{margin-top:28px;display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
@media(max-width:760px){.rules{grid-template-columns:1fr}}
.rule{background:var(--canvas);border:1px solid var(--line-2);border-radius:var(--r);padding:16px 18px}
.sect.alt .rule{background:var(--canvas)}
.rule b{font-size:12px;color:var(--accent);letter-spacing:.04em}
.rule p{font-size:14.5px;color:var(--ink-2);margin-top:6px;line-height:1.45}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:start;margin-top:38px}
.split > *{min-width:0}
@media(max-width:860px){.split{grid-template-columns:1fr;gap:36px}}
.pane{min-width:0}
.pane h3{margin-bottom:10px}
.pane .body{margin-top:8px}
.steps{margin:18px 0 0;padding:0;list-style:none;counter-reset:s}
.steps li{position:relative;padding:9px 0 9px 30px;font-size:15px;color:var(--ink-2);border-bottom:1px solid var(--line-2);counter-increment:s}
.steps li:before{content:counter(s);position:absolute;left:0;top:9px;font-size:12px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.code{font:13px/1.6 ui-monospace,SFMono-Regular,Menlo,monospace;background:var(--canvas-3);border:1px solid var(--line-2);
  border-radius:10px;padding:14px 16px;margin-top:16px;overflow-x:auto;color:var(--ink-2);white-space:pre}

/* statement */
.statement{max-width:24ch;font-size:clamp(28px,4vw,44px);line-height:1.14;letter-spacing:-.02em;font-weight:600}
.notlist{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:36px}
@media(max-width:800px){.notlist{grid-template-columns:1fr}}
.notlist div{border-top:1px solid var(--line);padding-top:14px}
.notlist h3{font-size:15px;margin-bottom:6px}
.notlist p{font-size:14.5px;color:var(--ink-2);line-height:1.5}

/* test */
.test{max-width:720px;margin:0 auto;padding:40px 22px 80px}
.progress{display:flex;gap:4px;margin-bottom:28px}
.progress i{height:3px;flex:1;background:var(--track);border-radius:2px;transition:background-color 240ms var(--ease)}
.progress i.done{background:var(--accent-fill)}
.progress i.now{background:var(--ink-3)}
.qmeta{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);font-weight:600}
.qstem{font-size:clamp(20px,2.6vw,26px);line-height:1.32;letter-spacing:-.015em;font-weight:600;margin:12px 0 26px;text-wrap:balance}
.opts{display:flex;flex-direction:column;gap:10px}
.opt{display:flex;gap:14px;align-items:flex-start;text-align:left;width:100%;font:inherit;font-size:16px;line-height:1.45;
  color:var(--ink);background:var(--canvas);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;cursor:pointer;
  transition:transform 160ms var(--ease),border-color 180ms ease,background-color 180ms ease}
.opt:hover{border-color:var(--ink-3)}
.opt:active{transform:scale(.985)}
.opt[aria-pressed="true"]{border-color:var(--accent);background:var(--accent-soft)}
.opt .k{flex:0 0 22px;height:22px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;
  font-size:11px;color:var(--ink-3);margin-top:1px;transition:background-color 180ms ease,color 180ms ease,border-color 180ms ease}
.opt[aria-pressed="true"] .k{background:var(--accent-fill);border-color:var(--accent);color:var(--on-accent)}
.testnav{display:flex;justify-content:space-between;gap:12px;margin-top:30px;align-items:center}
.skip{font:inherit;font-size:14px;color:var(--ink-3);background:none;border:0;cursor:pointer;padding:8px 0}
.stepbar{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;margin:-8px 0 16px}
.stepdot{flex:0 0 20px;height:20px;border-radius:50%;display:inline-grid;place-items:center;font-size:11px;font-weight:600;background:var(--ink);color:var(--canvas);align-self:center}
.stepdot.done{background:var(--accent-fill)}
.stepq{font-size:16px;font-weight:600;color:var(--ink)}
.stephint{font-size:13px;color:var(--ink-3)}
.chip{display:inline-block;margin-left:8px;font-size:11px;letter-spacing:.04em;text-transform:uppercase;font-weight:600;color:var(--accent);background:var(--accent-soft);padding:2px 7px;border-radius:999px;vertical-align:middle}
.opt-never{border-style:dashed;color:var(--ink-2)}
.seg{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.seg button{font:inherit;font-size:15px;padding:10px 16px;border-radius:999px;border:1px solid var(--line);background:var(--canvas);color:var(--ink);cursor:pointer}
.seg button[aria-checked="true"]{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}
.mxcell .lv2{display:block;font-size:10px;color:var(--ink-3);margin-top:2px}
.skip:hover{color:var(--ink-2)}

/* result */
.result{max-width:860px;margin:0 auto;padding:40px 22px 90px}
.badge{display:inline-block;font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;font-weight:600;
  color:var(--accent);background:var(--accent-soft);padding:5px 11px;border-radius:999px}
.rcard{background:var(--canvas);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);margin-top:22px;overflow:hidden}
.rhead{padding:30px 28px 26px;border-bottom:1px solid var(--line-2)}
.rbody{padding:26px 28px}
.rfoot{padding:22px 28px 26px;background:var(--canvas-2);border-top:1px solid var(--line-2)}
.blind{margin-top:14px;padding:12px 15px;background:var(--canvas-2);border-radius:10px;font-size:14.5px;color:var(--ink-2)}
.blind b{color:var(--ink)}
.detail{margin-top:34px}
.dtable{width:100%;min-width:780px;border-collapse:collapse;font-size:14.5px;margin-top:14px}
.dtable th{text-align:left;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);font-weight:600;padding:0 10px 9px 0;border-bottom:1px solid var(--line)}
.dtable td{padding:11px 10px 11px 0;border-bottom:1px solid var(--line-2);vertical-align:top;color:var(--ink-2)}
.dtable td.s{color:var(--ink);font-weight:500;white-space:nowrap}
.dtable td.l{white-space:nowrap;font-variant-numeric:tabular-nums}

/* motion */
@media (prefers-reduced-motion:no-preference){
  .reveal{opacity:0;transform:translateY(14px);transition:opacity 620ms var(--ease),transform 620ms var(--ease)}
  .reveal.in{opacity:1;transform:none}
  .fade-in{animation:fi 460ms var(--ease) both}
  @keyframes fi{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}

footer{border-top:1px solid var(--line-2);background:var(--canvas-2);padding:40px 0 56px}
footer p{font-size:13px;color:var(--ink-3);line-height:1.6;max-width:74ch}
.flinks{display:flex;flex-wrap:wrap;gap:22px;margin-bottom:22px}
.flinks a{font-size:14px;color:var(--ink);text-decoration:none;border-bottom:1px solid var(--line)}
.flinks a:hover{border-color:var(--accent);color:var(--accent)}
footer p + p{margin-top:10px}
[hidden]{display:none!important}

/* ===== v0.7 additions: multi-page site ===== */
body{overflow-x:hidden}
nav .navlinks{display:flex;align-items:center;gap:18px}
.navlink{text-decoration:none}
.navlink[aria-current="page"]{color:var(--ink);font-weight:600}
.navlink:hover{text-decoration:none}
.menu-btn{display:none;font:inherit;font-size:14px;background:none;border:1px solid var(--line);border-radius:999px;padding:4px 12px;color:var(--ink);cursor:pointer}
@media(max-width:900px){
  nav .navlinks{display:none;position:absolute;top:52px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;
    background:var(--canvas);border-bottom:1px solid var(--line-2);padding:6px 22px 14px;box-shadow:var(--shadow)}
  nav .navlinks.open{display:flex}
  nav .navlinks .navlink{padding:12px 0;border-bottom:1px solid var(--line-2);font-size:16px}
  .menu-btn{display:inline-block}
}
.brand{text-decoration:none}
.brand:hover{text-decoration:none}

/* page hero */
.phero{padding:72px 0 56px}
@media(max-width:700px){.phero{padding:48px 0 40px}}
.phero .lede{max-width:62ch}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.07em;text-transform:uppercase;color:var(--accent);font-weight:600;margin:0 0 14px}

/* generic */
.mt8{margin-top:8px}.mt16{margin-top:16px}.mt24{margin-top:24px}.mt32{margin-top:32px}.mt48{margin-top:48px}
h2 + .body,h2 + .lede{margin-top:14px}
.body b,.body strong,.lede b{color:var(--ink);font-weight:600}
.narrow{max-width:760px}

/* cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:34px}
.cards.two{grid-template-columns:repeat(2,1fr)}
.cards.four{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.cards,.cards.four{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.cards,.cards.two,.cards.four{grid-template-columns:1fr}}
.card{background:var(--canvas);border:1px solid var(--line-2);border-radius:var(--r-lg);padding:22px 22px 24px;min-width:0}
.sect.alt .card{background:var(--canvas)}
.card .k{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);font-weight:600;display:block;margin-bottom:8px}
.card .k.a{color:var(--accent)}
.card h3{margin-bottom:8px}
.card p{font-size:15px;color:var(--ink-2);line-height:1.5}
.card p + p{margin-top:8px}
a.card{display:block;color:inherit;text-decoration:none;transition:border-color 180ms ease,transform 160ms var(--ease)}
a.card:hover{border-color:var(--accent);text-decoration:none}
a.card:active{transform:scale(.99)}
a.card .go{display:inline-block;margin-top:14px;font-size:15px;color:var(--accent);font-weight:500}
.card .time{float:right;font-size:12px;color:var(--ink-3);font-variant-numeric:tabular-nums}

/* stat tiles */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-2);border:1px solid var(--line-2);border-radius:var(--r-lg);overflow:hidden;margin-top:30px}
.stats.three{grid-template-columns:repeat(3,1fr)}
.stats > div{background:var(--canvas);padding:22px 20px}
.sect.alt .stats > div{background:var(--canvas)}
.stats .n{font-size:clamp(30px,4vw,40px);font-weight:600;letter-spacing:-.03em;line-height:1;font-variant-numeric:tabular-nums}
.stats .n small{font-size:.5em;font-weight:500;margin-left:2px}
.stats .l{font-size:14px;color:var(--ink-2);margin-top:10px;line-height:1.4}
@media(max-width:760px){.stats,.stats.three{grid-template-columns:1fr 1fr}}
@media(max-width:420px){.stats,.stats.three{grid-template-columns:1fr}}
.src{font-size:13px;color:var(--ink-3);margin-top:12px}

/* prompt (retrieval practice) */
.prompt{margin-top:28px;padding:18px 20px;border-left:3px solid var(--accent);background:var(--accent-soft);border-radius:0 var(--r) var(--r) 0;max-width:760px}
.prompt .k{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);font-weight:600;display:block;margin-bottom:6px}
.prompt p{color:var(--ink);font-size:16px}
details.reveal-ans{margin-top:10px}
details > summary{cursor:pointer;list-style:none;font-size:14px;color:var(--accent);font-weight:500;display:inline-flex;align-items:center;gap:8px;padding:4px 0}
details > summary::-webkit-details-marker{display:none}
details > summary::before{content:"";width:7px;height:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(-45deg);transition:transform 180ms var(--ease);flex:none}
details[open] > summary::before{transform:rotate(45deg)}
details .ans{padding:8px 0 2px;color:var(--ink-2);font-size:15px}
details.deep{margin-top:18px;border-top:1px solid var(--line-2);padding-top:6px}
details.deep > summary{color:var(--ink-2)}
details.deep .ans{max-width:68ch}

/* tabs */
.tabs{display:flex;gap:4px;border:1px solid var(--line);border-radius:999px;padding:4px;margin-top:28px;background:var(--canvas);max-width:640px}
.tabs button{flex:1;border:0;background:transparent;border-radius:999px;padding:10px 8px;font:inherit;font-size:14px;font-weight:500;color:var(--ink-2);cursor:pointer;white-space:nowrap;transition:background-color 160ms ease,color 160ms ease}
.tabs button[aria-selected="true"]{background:var(--ink);color:var(--canvas)}
@media(max-width:520px){.tabs button{font-size:12.5px;padding:9px 4px}}
.panel{display:none;padding-top:24px}
.panel.on{display:block}
.subgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:18px}
@media(max-width:820px){.subgrid{grid-template-columns:1fr}}
.subgrid .card h3{font-size:17px}
.subgrid .card q{display:block;font-size:14px;color:var(--ink-3);margin-top:8px;quotes:"“" "”"}
.absent{margin-top:18px;padding:14px 18px;border:1px dashed var(--line);border-radius:var(--r);max-width:760px}
.absent .k{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);font-weight:600;display:block;margin-bottom:4px}
.absent p{font-size:15px;color:var(--ink-2)}
.quote{font-size:15px;color:var(--ink-3);margin-top:6px}

/* loop figure */
figure{margin:30px 0 0}
figure svg{width:100%;height:auto;display:block;max-width:760px}
figcaption{font-size:14px;color:var(--ink-3);margin-top:12px;max-width:68ch}

/* the 12x4 grid */
.gridwrap{overflow-x:auto;margin:28px -22px 0;padding:0 22px}
table.g12{border-collapse:separate;border-spacing:0;min-width:820px;width:100%}
.g12 th,.g12 td{text-align:left;vertical-align:top;padding:0}
.g12 thead th{font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);font-weight:600;padding:0 8px 10px}
.g12 thead th b{display:block;color:var(--accent);font-size:12px}
.g12 thead th span{color:var(--ink);font-size:12.5px;letter-spacing:.02em}
.g12 tbody th{font-size:13.5px;font-weight:600;color:var(--ink);padding:10px 14px 10px 0;width:1%;white-space:nowrap;border-top:1px solid var(--line-2)}
.g12 tbody th small{display:block;font-weight:400;color:var(--ink-3);font-size:11.5px}
.g12 tr.cg th{border-top:1px solid var(--line);padding-top:18px;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3)}
.g12 td{border-top:1px solid var(--line-2);width:22%}
.g12 td button{display:block;width:100%;text-align:left;border:0;background:transparent;font:inherit;font-size:13.5px;line-height:1.35;color:var(--ink-2);padding:10px 8px;border-radius:8px;cursor:pointer;transition:background-color 140ms ease,color 140ms ease}
.g12 td button:hover{background:var(--accent-soft);color:var(--ink)}
.g12 td button[aria-pressed="true"]{background:var(--ink);color:var(--canvas)}
.cellinfo{margin-top:16px;padding:20px 22px;border-radius:var(--r-lg);background:var(--canvas);border:1px solid var(--line-2);min-height:120px;max-width:900px}
.sect.alt .cellinfo{background:var(--canvas)}
.cellinfo .packsel{margin-top:16px;padding-top:12px;border-top:1px solid var(--line-2)}
.cellinfo .k{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);font-weight:600;display:block;margin-bottom:8px}
.cellinfo .d{font-size:17px;color:var(--ink);line-height:1.45}
.cellinfo .ex{margin-top:14px;padding-top:14px;border-top:1px solid var(--line-2);font-size:15px;color:var(--ink-2)}
.cellinfo .ex b{display:block;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);margin-bottom:4px}
.cellinfo .nx{margin-top:12px;font-size:14.5px;color:var(--ink-2)}
.packsel{display:inline-flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.packsel button{font:inherit;font-size:13px;padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:var(--canvas);color:var(--ink-2);cursor:pointer}
.packsel button[aria-pressed="true"]{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}

/* four rules */
.rules4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:28px}
@media(max-width:900px){.rules4{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.rules4{grid-template-columns:1fr}}
.rules4 div{border-top:2px solid var(--ink);padding-top:12px}
.rules4 h3{font-size:15px;margin-bottom:6px}
.rules4 p{font-size:14.5px;color:var(--ink-2);line-height:1.45}

/* quick self-scan */
.scan{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:24px}
@media(max-width:760px){.scan{grid-template-columns:1fr}}
.scan .q{border:1px solid var(--line-2);border-radius:var(--r-lg);padding:16px 18px;background:var(--canvas)}
.scan .q .k{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);font-weight:600;display:block;margin-bottom:8px}
.scan label{display:flex;gap:10px;align-items:flex-start;padding:8px 10px;border-radius:10px;cursor:pointer;font-size:14.5px;line-height:1.4;color:var(--ink-2)}
.scan label:hover{background:var(--accent-soft)}
.scan label.sel{background:var(--accent-soft);color:var(--ink)}
.scan input{margin:3px 0 0;accent-color:var(--accent);flex:none}
.shape{margin-top:18px;padding:18px 20px;border-radius:var(--r-lg);background:var(--canvas-2);border:1px solid var(--line-2);max-width:760px}
.sect.alt .shape{background:var(--canvas)}
.shape .rowp{display:grid;grid-template-columns:120px 1fr;align-items:center;gap:12px;padding:5px 0}
.shape .rowp .d{font-size:14.5px;font-weight:600}
.shape .dots{display:flex;gap:8px;align-items:center}
.shape .dot{width:14px;height:14px;border-radius:50%;border:1.5px solid var(--line)}
.shape .dot.on{background:var(--ink);border-color:var(--ink)}
.shape .dot.hi{background:var(--accent-fill);border-color:var(--accent)}
.shape .dot.nx{border-color:var(--accent);border-style:dashed}
.shape .lbl{font-size:12px;color:var(--ink-3);margin-left:6px}
.shape .read{margin-top:12px;font-size:15px;color:var(--ink-2)}

/* timeline */
.tl{margin-top:28px;border-left:1px solid var(--line);padding-left:24px;display:flex;flex-direction:column;gap:4px;max-width:820px}
.ph{position:relative}
.ph::before{content:"";position:absolute;left:-30px;top:17px;width:11px;height:11px;border-radius:50%;background:var(--canvas);border:1.5px solid var(--ink-3)}
.ph[open]::before{background:var(--accent-fill);border-color:var(--accent)}
.ph > summary{padding:10px 0;font-size:17px;font-weight:600;color:var(--ink);width:100%;gap:12px}
.ph > summary::before{display:none}
.ph > summary .when{margin-left:auto;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);font-weight:600;white-space:nowrap}
.ph .ans ul{margin:6px 0 10px;padding-left:1.1em;color:var(--ink-2)}
.ph .ans li{margin-bottom:6px;font-size:15px}
.gate{margin-top:8px;padding:10px 14px;border-radius:10px;background:var(--accent-soft);font-size:14.5px;color:var(--ink)}
.gate b{font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);margin-right:8px}

/* simple table */
.tblwrap{overflow-x:auto;margin-top:24px}
table.tbl{width:100%;border-collapse:collapse;font-size:15px;min-width:560px}
.tbl th{text-align:left;font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);font-weight:600;padding:0 14px 10px 0;border-bottom:1px solid var(--line)}
.tbl td{padding:12px 14px 12px 0;border-bottom:1px solid var(--line-2);vertical-align:top;color:var(--ink-2)}
.tbl td:first-child{color:var(--ink);font-weight:500}
ul.clean{list-style:none;margin:20px 0 0;padding:0;max-width:760px}
ul.clean li{padding:12px 0;border-bottom:1px solid var(--line-2);color:var(--ink-2);font-size:15.5px}
ul.clean li b{color:var(--ink)}

/* result additions */
.overall{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin-top:18px;padding:16px 18px;border-radius:var(--r);background:var(--canvas-2)}
.overall .big{font-size:clamp(26px,4vw,34px);font-weight:600;letter-spacing:-.02em}
.overall .big span{color:var(--accent)}
.overall p{font-size:14.5px;color:var(--ink-2);flex:1 1 280px}
.conf-low{color:var(--ink-3);font-style:italic}
.cmp{margin-top:18px}
.delta{font-variant-numeric:tabular-nums;font-weight:600}
.delta.up{color:var(--accent)}
.delta.down{color:var(--ink-3)}
.filebtn{position:relative;overflow:hidden}
.filebtn input{position:absolute;inset:0;opacity:0;cursor:pointer}

/* ===== team view ===== */
.viz-root{
  --lv1:#98adff;--lv2:#657bec;--lv3:#4252b2;--lv4:#26316b;
  --hm0:#f8faff;--seq1:#cfdaff;--seq2:#aabbf7;--seq3:#869bed;--seq4:#657be1;--seq5:#4a5cca;--seq6:#3340ab;--seq7:#26316b;
  --base:#a1a1a6;
}
@media (prefers-color-scheme:dark){:root:where(:not([data-theme="light"])) .viz-root{
  --lv1:#3b4991;--lv2:#586ddc;--lv3:#778eee;--lv4:#b0bff4;
  --seq1:#1c2247;--seq2:#283270;--seq3:#34439a;--seq4:#4a5cca;--seq5:#6a7ee3;--seq6:#8ea4ff;--seq7:#b9c6ff;
  --base:#636366;
}}
:root[data-theme="dark"] .viz-root{
  --lv1:#3b4991;--lv2:#586ddc;--lv3:#778eee;--lv4:#b0bff4;
  --seq1:#1c2247;--seq2:#283270;--seq3:#34439a;--seq4:#4a5cca;--seq5:#6a7ee3;--seq6:#8ea4ff;--seq7:#b9c6ff;
  --base:#636366;
}
.demo-banner{display:flex;gap:10px;align-items:flex-start;padding:12px 16px;border-radius:var(--r);border:1px dashed var(--line);font-size:14.5px;color:var(--ink-2);margin-top:24px;max-width:900px}
.demo-banner b{color:var(--ink)}
.filters{display:flex;flex-wrap:wrap;gap:18px;align-items:flex-end;margin-top:26px;padding:14px 0;border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2)}
.filters label{display:flex;flex-direction:column;gap:6px;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);font-weight:600}
.filters select{font:inherit;font-size:15px;letter-spacing:0;text-transform:none;font-weight:400;color:var(--ink);background:var(--canvas);border:1px solid var(--line);border-radius:10px;padding:8px 12px;min-width:180px}
.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-2);border:1px solid var(--line-2);border-radius:var(--r-lg);overflow:hidden;margin-top:22px}
.kpis > div{background:var(--canvas);padding:20px}
.kpis .n{font-size:clamp(28px,3.6vw,36px);font-weight:600;letter-spacing:-.03em;line-height:1;font-variant-numeric:tabular-nums}
.kpis .n small{font-size:.45em;font-weight:500;color:var(--ink-3);margin-left:6px;letter-spacing:0}
.kpis .l{font-size:14px;color:var(--ink-2);margin-top:8px;line-height:1.4}
@media(max-width:760px){.kpis{grid-template-columns:1fr}}
.vh{margin-top:40px}
.vh h3{font-size:19px}
.vh p.small{margin-top:6px}
.legend{display:flex;flex-wrap:wrap;gap:16px;align-items:center;margin-top:14px;font-size:13px;color:var(--ink-2)}
.legend i{display:inline-block;width:12px;height:12px;border-radius:3px;margin-right:6px;vertical-align:-1px}
.dist{margin-top:14px}
.drow{display:grid;grid-template-columns:230px 1fr 64px;gap:14px;align-items:center;padding:6px 0}
.drow .lab{font-size:13.5px;color:var(--ink);line-height:1.25}
.drow .lab small{display:block;color:var(--ink-3);font-size:11.5px}
.drow .val{font-size:13px;color:var(--ink-2);text-align:right;font-variant-numeric:tabular-nums}
.sbar{display:flex;gap:2px;height:16px}
.sbar i{display:block;height:100%;border-radius:0;position:relative}
.sbar i:first-child{border-radius:4px 0 0 4px}
.sbar i:last-child{border-radius:0 4px 4px 0}
.sbar i:only-child{border-radius:4px}
.dgroup{font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);font-weight:600;padding:14px 0 2px;border-top:1px solid var(--line-2);margin-top:6px}
@media(max-width:640px){.drow{grid-template-columns:1fr 52px}.drow .lab{grid-column:1 / -1}}
.hmwrap{overflow-x:auto;margin-top:14px}
table.hm{border-collapse:separate;border-spacing:3px;min-width:640px}
.hm th{font-size:12px;font-weight:500;color:var(--ink-2);text-align:left;padding:4px 10px 4px 0;white-space:nowrap}
.hm thead th{font-size:11.5px;letter-spacing:.04em;color:var(--ink-3);text-align:center;padding:0 4px 6px;white-space:normal;max-width:120px;vertical-align:bottom}
.hm td{min-width:84px;height:34px;text-align:center;font-size:13px;font-variant-numeric:tabular-nums;border-radius:4px;cursor:default}
.hm td.masked{background:repeating-linear-gradient(135deg,var(--canvas-2) 0 6px,var(--line-2) 6px 8px);color:var(--ink-3);font-size:11.5px}
.hm td.l{color:#0b0b0b}
.hm td.d{color:#ffffff}
.tip{position:fixed;z-index:60;pointer-events:none;background:var(--ink);color:var(--canvas);font-size:13px;line-height:1.4;padding:8px 10px;border-radius:8px;max-width:280px;box-shadow:var(--shadow);opacity:0;transition:opacity 120ms ease}
.tip.on{opacity:1}
.roles-t{overflow-x:auto;margin-top:14px}
table.rt{border-collapse:collapse;min-width:700px;width:100%}
.rt th{font-size:11.5px;letter-spacing:.04em;color:var(--ink-3);font-weight:600;text-align:center;padding:0 4px 8px;vertical-align:bottom}
.rt th:first-child{text-align:left}
.rt tbody th{font-size:13px;color:var(--ink);font-weight:500;text-align:left;padding:6px 8px 6px 0;white-space:nowrap;letter-spacing:0}
.rt td{text-align:center;padding:4px;border-top:1px solid var(--line-2)}
.rt td button{font:inherit;font-size:12.5px;width:100%;min-width:62px;padding:7px 4px;border-radius:8px;border:1px solid var(--line);background:var(--canvas);color:var(--ink-2);cursor:pointer;font-variant-numeric:tabular-nums}
.rt td button.crit{border-color:var(--accent);color:var(--accent);background:var(--accent-soft);font-weight:600}
.rt td button:hover{border-color:var(--ink-3)}
.pairbars{margin-top:14px}
.prow{display:grid;grid-template-columns:200px 1fr 120px;gap:14px;align-items:center;padding:8px 0;border-bottom:1px solid var(--line-2)}
.prow .lab{font-size:14px;color:var(--ink)}
.prow .lab small{display:block;font-size:12px;color:var(--ink-3)}
.prow .track{position:relative;height:30px}
.prow .b{position:absolute;left:0;height:12px;border-radius:0 4px 4px 0;min-width:2px}
.prow .b.b0{top:1px;background:var(--base)}
.prow .b.b1{top:16px;background:var(--lv3)}
.prow .tgt{position:absolute;top:-2px;bottom:-2px;width:2px;background:var(--ink)}
.prow .val{font-size:13px;color:var(--ink-2);text-align:right;font-variant-numeric:tabular-nums}
.prow.masked .track{background:repeating-linear-gradient(135deg,transparent 0 6px,var(--line-2) 6px 8px);border-radius:4px}
@media(max-width:640px){.prow{grid-template-columns:1fr 90px}.prow .lab{grid-column:1 / -1}}
.target-ctl{display:flex;flex-wrap:wrap;gap:20px;align-items:center;margin-top:18px;font-size:14.5px;color:var(--ink-2)}
.target-ctl input[type=range]{accent-color:var(--accent);width:200px}
.target-ctl input[type=text]{font:inherit;font-size:14.5px;border:1px solid var(--line);border-radius:8px;padding:6px 10px;background:var(--canvas);color:var(--ink);width:140px}
.uc{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:16px}
@media(max-width:900px){.uc{grid-template-columns:1fr}}
.uc .card .ready{font-size:34px;font-weight:600;letter-spacing:-.03em;line-height:1;margin:12px 0 4px;font-variant-numeric:tabular-nums}
.uc .card ul{list-style:none;padding:0;margin:12px 0 0}
.uc .card li{display:flex;justify-content:space-between;gap:10px;font-size:13.5px;color:var(--ink-2);padding:6px 0;border-top:1px solid var(--line-2)}
.uc .card li.bottleneck{color:var(--ink);font-weight:600}
.uc .card li span:last-child{font-variant-numeric:tabular-nums;white-space:nowrap}
.tabs.wide{max-width:none}
details.tview{margin-top:12px}
details.tview table{margin-top:8px}

/* hero explainer video */
.herovid{position:relative;margin:0;aspect-ratio:1/1}
.herovid video{display:block;width:100%;height:100%;object-fit:cover;background:transparent;opacity:0;transition:opacity 300ms var(--ease)}
.herovid.playing video{opacity:1}
.hv-toggle{position:absolute;right:14px;bottom:14px;width:40px;height:40px;border-radius:50%;border:1px solid var(--line);
  background:color-mix(in srgb,var(--canvas) 86%,transparent);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  color:var(--ink);display:grid;place-items:center;cursor:pointer;padding:0}
.hv-toggle svg{fill:currentColor}
.hv-toggle:hover{border-color:var(--ink-3)}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:900px){.herovid{max-width:560px}}

/* ===== v0.8 · visual layer for first-time readers ===== */
/* level ramp available everywhere (validated light and dark) */
:root{--lv1:#98adff;--lv2:#657bec;--lv3:#4252b2;--lv4:#26316b}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--lv1:#3b4991;--lv2:#586ddc;--lv3:#778eee;--lv4:#b0bff4}}
:root[data-theme="dark"]{--lv1:#3b4991;--lv2:#586ddc;--lv3:#778eee;--lv4:#b0bff4}


/* glossary: dotted term, popover on hover / focus / tap */
.g{position:relative;text-decoration:underline dotted var(--ink-3);text-underline-offset:3px;text-decoration-thickness:1px;cursor:help;border:0;font:inherit;color:inherit;background:none;padding:0}
.g:hover,.g:focus-visible,.g.on{text-decoration-color:var(--accent);color:var(--accent)}
.g .gp{display:none;position:absolute;z-index:50;left:0;bottom:calc(100% + 8px);min-width:220px;max-width:300px;padding:10px 12px;font-size:13.5px;line-height:1.4;font-weight:400;font-style:normal;letter-spacing:0;text-transform:none;color:var(--ink);background:var(--canvas);border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);text-align:left}
.g:hover .gp,.g:focus-visible .gp,.g.on .gp{display:block}
.g .gp b{display:block;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);margin-bottom:4px}
@media(hover:none){.g:hover .gp{display:none}.g.on .gp{display:block}}

/* the four Ds, on a before / during / after line */
.fourd{margin-top:34px}
.fourd .tline{display:grid;grid-template-columns:1fr 2fr 1fr;gap:10px;margin-bottom:10px}
.fourd .tline span{font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;font-weight:600;color:var(--accent);text-align:center;padding-bottom:8px;border-bottom:2px solid var(--accent);position:relative}
.fourd .tline span:nth-child(2){border-color:var(--accent)}
.fourd .dtiles{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.fourd .dt{background:var(--canvas);border:1px solid var(--line-2);border-radius:var(--r);padding:16px 16px 18px;min-width:0}
.fourd .dt .n{display:block;font-size:12px;letter-spacing:.04em;color:var(--ink-3);font-weight:600}
.fourd .dt h3{margin:4px 0 6px;font-size:18px}
.fourd .dt p{font-size:14.5px;color:var(--ink-2);line-height:1.4}
.fourd .dt.core{border-color:var(--accent);background:var(--accent-soft)}
.fourd .dt.core .n{color:var(--accent)}
@media(max-width:700px){
  .fourd .tline{display:none}
  .fourd .dtiles{grid-template-columns:1fr 1fr;gap:8px}
  .fourd .dt{padding:12px 12px 14px}.fourd .dt h3{font-size:16px}.fourd .dt p{font-size:13.5px}
  .fourd .dt .n::before{content:attr(data-when) " · "}
}
.fourd .quarter{margin-top:14px;font-size:14.5px;color:var(--ink-3);max-width:70ch}
.fourd.compact{margin-top:18px}
.fourd.compact .dt .n::before{content:none}
.fourd.compact .dt{padding:14px 16px 16px}.fourd.compact .dt h3{font-size:17px}
/* subgrid: label, name, line and example line up across the four tiles */
.fourd.compact .dt{display:grid;grid-template-rows:subgrid;grid-row:span 4;row-gap:0;align-content:start}
.fourd.compact .dt > p:not(.ex){margin-bottom:10px}
.fourd.compact .dt .ex{padding-top:8px;border-top:1px solid var(--line-2);font-size:13.5px;color:var(--ink-3);align-self:start}

/* one task, four levels */
.example{margin-top:30px;border:1px solid var(--line-2);border-radius:var(--r-lg);overflow:hidden;background:var(--canvas)}
.example .stem{padding:18px 22px;background:var(--canvas-2);border-bottom:1px solid var(--line-2)}
.example .stem .k{font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;font-weight:600;color:var(--ink-3);display:block;margin-bottom:6px}
.example .stem p{font-size:17px;font-weight:600;color:var(--ink);text-wrap:balance}
.example .lv4{display:grid;grid-template-columns:repeat(4,1fr)}
.example .lv4 > div{padding:16px 18px 20px;border-left:1px solid var(--line-2);min-width:0;position:relative}
.example .lv4 > div:first-child{border-left:0}
.example .lv4 > div::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--lvc)}
.example .lv4 .c{font-size:12px;letter-spacing:.04em;font-weight:600;color:var(--accent)}
.example .lv4 h4{margin:4px 0 8px;font-size:16px;font-weight:600;letter-spacing:-.01em}
.example .lv4 p{font-size:14.5px;line-height:1.45;color:var(--ink-2)}
.example .lv4 p.short{color:var(--ink)}
.example .lv4 p.long{margin-top:8px;color:var(--ink-3);font-size:13.5px}
@media(max-width:760px){
  .example .lv4{grid-template-columns:1fr}
  .example .lv4 > div{border-left:0;border-top:1px solid var(--line-2);padding:14px 18px 16px}
  .example .lv4 > div::before{width:4px;height:auto;bottom:0;right:auto}
  .example .lv4 > div{padding-left:22px}
}
.example .foot{padding:12px 22px;border-top:1px solid var(--line-2);font-size:13.5px;color:var(--ink-3)}

/* staircase of four levels */
.stairs{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;align-items:end;margin-top:30px}
.stairs > div{min-width:0}
.stairs .bar{border-radius:8px 8px 3px 3px;background:var(--lvc);margin-bottom:12px}
.stairs .c{font-size:12px;letter-spacing:.04em;color:var(--ink-3);font-weight:600;font-variant-numeric:tabular-nums}
.stairs h3{margin:2px 0 6px;font-size:18px}
.stairs p{font-size:14.5px;color:var(--ink-2);line-height:1.4}
.stairs p.more{font-size:13.5px;color:var(--ink-3);margin-top:6px}
@media(max-width:700px){
  .stairs{grid-template-columns:1fr;gap:0;border:1px solid var(--line-2);border-radius:var(--r);overflow:hidden;align-items:stretch}
  .stairs > div{display:grid;grid-template-columns:10px 1fr;column-gap:16px;row-gap:2px;padding:14px 16px;border-top:1px solid var(--line-2);align-items:start}
  .stairs > div:first-child{border-top:0}
  .stairs .bar{height:auto!important;align-self:stretch;border-radius:3px;margin:0;grid-column:1;grid-row:1 / span 4;min-height:44px}
  .stairs > div > :not(.bar){grid-column:2;margin:0}
  .stairs h3{font-size:17px}
  .stairs p.more{margin-top:4px}
}
.stairs-note{margin-top:14px;font-size:14.5px;color:var(--ink-2);max-width:64ch}

/* horizontal bars for the Index */
.hbars{margin-top:24px;max-width:760px}
.hbars .row{display:grid;grid-template-columns:minmax(150px,220px) 1fr 64px;gap:12px;align-items:center;padding:7px 0}
.hbars .lab{font-size:14.5px;color:var(--ink)}
.hbars .track{height:18px;background:var(--track);border-radius:4px;overflow:hidden}
.hbars .fill{height:100%;background:var(--accent-fill);border-radius:4px}
.hbars .row.dim .fill{background:var(--lv3)}
.hbars .val{font-size:15px;font-weight:600;font-variant-numeric:tabular-nums;text-align:right}
.hbars .cap{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);font-weight:600;margin-bottom:6px}
@media(max-width:520px){.hbars .row{grid-template-columns:1fr 56px}.hbars .lab{grid-column:1 / -1;padding-top:6px}}
/* the artefact effect: a finished document, two arrows */
.artefact{display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:center;margin-top:22px;padding:18px 20px;border:1px solid var(--line-2);border-radius:var(--r-lg);max-width:760px;background:var(--canvas)}
.artefact svg{width:56px;height:68px;display:block}
.artefact .arrows{display:flex;gap:24px;flex-wrap:wrap}
.artefact .arrows div{font-size:15px;color:var(--ink)}
.artefact .arrows b{display:block;font-size:22px;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.artefact .arrows .up b{color:var(--accent)}
.artefact .arrows .down b{color:var(--ink-3)}
.artefact .arrows small{display:block;font-size:12.5px;color:var(--ink-3)}

/* video wrapper */
.vidhead{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:8px}
.vidhead .k{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);font-weight:600}
.vidhead button{font:inherit;font-size:13px;color:var(--accent);background:none;border:0;cursor:pointer;padding:0}
.vidhead button:hover{text-decoration:underline}
.hv-prog{position:absolute;left:0;right:0;bottom:0;height:3px;background:color-mix(in srgb,var(--ink) 12%,transparent)}
.hv-prog i{display:block;height:100%;width:0;background:var(--accent-fill);transition:width 250ms linear}
.transcript{margin-top:12px;font-size:14.5px;line-height:1.5;color:var(--ink-2);padding:14px 16px;background:var(--canvas-2);border-radius:var(--r);max-width:none}
.transcript b{color:var(--ink)}

/* three ways in: thumbnails */
.card .thumb{display:block;height:88px;border-radius:8px;margin-bottom:14px;background:var(--canvas-2);border:1px solid var(--line-2);overflow:hidden}
.card .thumb svg{width:100%;height:100%;display:block}

/* scroll hint for wide tables on small screens */
.scrollhint{position:relative}
.scrollhint::after{content:attr(data-hint);position:absolute;right:8px;top:6px;font-size:11px;letter-spacing:.04em;text-transform:uppercase;font-weight:600;color:var(--accent);background:var(--accent-soft);padding:3px 8px;border-radius:999px;pointer-events:none;display:none}
.scrollhint.can::after{display:inline-block}
.scrollhint.can{padding-top:28px}
.scrollhint.can::after{top:0}
.scrollhint.can{mask-image:linear-gradient(90deg,#000 88%,transparent);-webkit-mask-image:linear-gradient(90deg,#000 88%,transparent)}
.scrollhint.can.end{mask-image:none;-webkit-mask-image:none}
.scrollhint.can.end::after{display:none}

/* framework: grid + side panel */
.gridlay{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:22px;align-items:start;margin-top:28px}
.gridlay .gridwrap{margin:0;padding:0}
.gridlay table.g12{min-width:600px}
.gridlay .cellinfo{position:sticky;top:64px;margin-top:0;max-width:none}
@media(max-width:1000px){.gridlay{grid-template-columns:1fr}.gridlay .cellinfo{position:static}}
/* mobile accordion for the 48 cells */
.gacc{display:none}
@media(max-width:700px){
  .gridlay .gridwrap{display:none}
  .gridlay .cellinfo{display:none}
  .gacc{display:block;margin-top:4px}
  .gacc .cgrp{font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);font-weight:600;margin:18px 0 6px}
  .gacc details{border:1px solid var(--line-2);border-radius:var(--r);margin-top:8px;background:var(--canvas)}
  .gacc summary{padding:12px 14px;font-size:15px;font-weight:600;color:var(--ink);display:flex;gap:10px;align-items:center}
  .gacc summary::before{margin-left:auto;order:2}
  .gacc summary small{display:block;font-weight:400;font-size:12px;color:var(--ink-3)}
  .gacc .lvrow{display:grid;grid-template-columns:56px 1fr;gap:10px;align-items:start;width:100%;text-align:left;border:0;border-top:1px solid var(--line-2);background:transparent;font:inherit;font-size:14px;line-height:1.35;color:var(--ink-2);padding:10px 14px;cursor:pointer}
  .gacc .lvrow b{font-size:12px;color:var(--accent);letter-spacing:.04em}
  .gacc .lvrow[aria-pressed="true"]{background:var(--accent-soft);color:var(--ink)}
  .gacc .cellinfo{display:block;position:static;margin:0;border-radius:0;border-left:0;border-right:0;border-bottom:0;border-top:1px solid var(--accent);background:var(--canvas-2)}
}

/* loop diagram: vertical version on small screens */
.loopv{display:none}
@media(max-width:600px){.looph{display:none}.loopv{display:block}}

/* two-by-two: the two-part question */
.matrix{margin-top:24px;display:grid;grid-template-columns:120px 1fr 1fr;grid-template-rows:auto 1fr 1fr;gap:8px;max-width:760px}
.matrix .ax{font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;font-weight:600;color:var(--ink-3);display:flex;align-items:center;justify-content:center;text-align:center;padding:6px}
.matrix .ax.y{writing-mode:vertical-rl;transform:rotate(180deg)}
.matrix .cell{padding:14px 16px;border:1px solid var(--line-2);border-radius:var(--r);background:var(--canvas);min-height:96px}
.matrix .cell b{display:block;font-size:12px;letter-spacing:.05em;text-transform:uppercase;color:var(--accent);margin-bottom:6px}
.matrix .cell p{font-size:14.5px;color:var(--ink-2);line-height:1.4}
.matrix .cell.hi{background:var(--accent-soft);border-color:var(--accent)}
.matrix .cell .pos{display:none}
@media(max-width:600px){.matrix{grid-template-columns:1fr;grid-template-rows:none}.matrix .ax{display:none}.matrix .cell .pos{display:inline}}

/* six-week strip */
.weeks{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin-top:26px;position:relative}
.weeks::before{content:"";position:absolute;left:10%;right:10%;top:15px;height:2px;background:var(--line)}
.weeks > div{position:relative;text-align:center;padding:0 6px}
.weeks .dot{width:32px;height:32px;border-radius:50%;background:var(--accent-fill);color:var(--on-accent);display:inline-grid;place-items:center;font-size:13px;font-weight:600;position:relative;z-index:1}
.weeks h3{font-size:15px;margin-top:10px}
.weeks .w{font-size:11.5px;letter-spacing:.05em;text-transform:uppercase;color:var(--ink-3);font-weight:600;margin-top:2px}
.weeks .gate{margin-top:10px;text-align:left;font-size:13px}
@media(max-width:760px){.weeks{grid-template-columns:1fr;gap:12px}.weeks::before{display:none}.weeks > div{display:grid;grid-template-columns:32px 1fr;gap:12px;text-align:left;align-items:start}.weeks h3{margin-top:4px}.weeks .gate,.weeks .w{grid-column:2}}

/* three steps to get real numbers */
.steps3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:22px}
.steps3 > div{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border:1px solid var(--line-2);border-radius:var(--r);background:var(--canvas)}
.steps3 .dot{flex:none;width:28px;height:28px;border-radius:50%;background:var(--ink);color:var(--canvas);display:grid;place-items:center;font-size:13px;font-weight:600}
.steps3 h3{font-size:15px;margin-bottom:4px}
.steps3 p{font-size:14px;color:var(--ink-2);line-height:1.4}
@media(max-width:760px){.steps3{grid-template-columns:1fr}}

/* test: step banner, counter, result additions */
.stepnote{display:flex;align-items:center;gap:10px;margin:0 0 14px;padding:10px 14px;border-radius:10px;background:var(--accent-soft);font-size:14px;color:var(--ink)}
.stepnote b{color:var(--accent)}
.qcount{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);font-weight:600;text-align:right;margin-top:-22px;margin-bottom:12px}
.qfade{animation:fi 320ms var(--ease) both}
.caveat{font-size:14px;color:var(--ink-2);margin-top:10px}
.caveat details{display:inline}
.caveat summary{display:inline;font-size:14px}
.thisweek{margin-top:16px;padding:14px 16px;border-left:3px solid var(--accent);background:var(--accent-soft);border-radius:0 var(--r) var(--r) 0}
.thisweek b{display:block;font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);margin-bottom:4px}
.thisweek p{font-size:15px;color:var(--ink)}
.floor{margin-top:12px;font-size:14px;color:var(--ink-2)}
.teamcta{margin-top:26px;padding:18px 20px;border:1px solid var(--line-2);border-radius:var(--r-lg);display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.teamcta p{font-size:15px;color:var(--ink-2)}
/* sticky first column on the wide team tables */
.hm th:first-child,.rt th:first-child,.rt tbody th{position:sticky;left:0;background:var(--canvas);z-index:1}
.hm thead th:first-child{background:var(--canvas)}
.rt thead th small{display:block;font-weight:400;letter-spacing:0;text-transform:none;color:var(--ink-3)}
/* question tabs stack on narrow screens */
@media(max-width:640px){.tabs.wide{flex-direction:column;border-radius:18px;gap:2px}.tabs.wide button{white-space:normal;text-align:left;padding:10px 14px;font-size:14px}}
/* the two loops, animated (framework #loop) */
.loopfig{margin:0}
.loopvid{position:relative;margin-top:20px;aspect-ratio:16/9}
.loopvid .hv-prog{display:none}
.loopvid video{display:block;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity 300ms var(--ease)}
.loopvid.playing video{opacity:1}
@media(max-width:600px){.loopvid{aspect-ratio:4/5}}
.loopfig.anim .loopstatic{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap}
.loopfig .loopcap{margin-top:10px;text-align:right}
.loopcap button{font:inherit;font-size:13.5px;color:var(--accent);background:none;border:0;padding:4px 0;cursor:pointer}
.loopcap button:hover{text-decoration:underline}
/* test v2 prototype: gestures */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips button{font:inherit;font-size:14px;padding:8px 14px;border-radius:999px;border:1px solid var(--line);background:var(--canvas);color:var(--ink-2);cursor:pointer}
.chips button[aria-pressed="true"]{border-color:var(--accent);background:var(--accent-soft);color:var(--ink)}
.chips.big button{font-size:15px;padding:10px 16px;text-align:left}
.miles{display:flex;gap:6px;margin-bottom:28px}
.miles span{flex:1;font-size:11.5px;letter-spacing:.05em;text-transform:uppercase;font-weight:600;color:var(--ink-3)}
.miles span i{display:block;height:4px;border-radius:2px;background:var(--line);margin-bottom:6px}
.miles span.done i{background:var(--accent-fill)}.miles span.cur{color:var(--accent)}.miles span.cur i{background:var(--accent-fill);opacity:.55}
.gq{font-size:clamp(22px,3vw,28px);letter-spacing:-.02em;line-height:1.2;margin-top:24px;margin-bottom:8px}
.situ{margin-top:8px}.situ .k{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);font-weight:600;display:block;margin-bottom:4px}
.situ p{font-size:17px;color:var(--ink)}
.bub,.draft,.answer{margin-top:8px;padding:16px 18px;border-radius:18px 18px 18px 4px;background:var(--canvas-2);border:1px solid var(--line-2)}
.bub .from,.draft .from,.answer .from{display:block;font-size:12.5px;color:var(--ink-3);margin-bottom:6px}
.bub p{font-size:17px;color:var(--ink);line-height:1.45}
.draft{border-radius:18px 18px 4px 18px;background:var(--accent-soft);border-color:transparent}
.draft p{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:15px;color:var(--ink)}
.answer p{font-size:16.5px;line-height:1.65;color:var(--ink)}
.claim{display:inline;font:inherit;font-size:inherit;line-height:inherit;padding:1px 4px;box-decoration-break:clone;-webkit-box-decoration-break:clone;margin:0 -1px;border-radius:6px;border:0;background:transparent;color:inherit;cursor:pointer;text-decoration:underline dotted var(--ink-3);text-underline-offset:4px}
.claim:hover{background:var(--canvas)}
.claim[aria-pressed="true"]{background:var(--accent-fill);color:var(--on-accent);text-decoration:none}
.sortlist{display:grid;gap:10px;margin-top:14px}
.piece{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;padding:12px 14px;border:1px solid var(--line-2);border-radius:var(--r);background:var(--canvas)}
.piece p{font-size:15.5px;color:var(--ink)}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:999px;padding:3px;gap:2px;background:var(--canvas-2)}
.seg button{font:inherit;font-size:13px;padding:6px 11px;border-radius:999px;border:0;background:transparent;color:var(--ink-2);cursor:pointer;white-space:nowrap}
.seg button[aria-pressed="true"]{background:var(--ink);color:var(--canvas)}
@media(max-width:560px){.piece{grid-template-columns:1fr}.seg{width:100%}.seg button{flex:1;padding:8px 4px}}
.opts{display:grid;gap:10px;margin-top:16px}
.switches{display:grid;gap:10px;margin-top:16px}
.sw{display:flex;align-items:center;gap:14px;padding:12px 14px;border:1px solid var(--line-2);border-radius:var(--r);background:var(--canvas);cursor:pointer}
.sw input{position:absolute;opacity:0;width:1px;height:1px}
.sw .track{flex:0 0 44px;height:26px;border-radius:13px;background:var(--line);position:relative;transition:background-color 160ms ease}
.sw .track i{position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#fff;transition:transform 160ms ease;box-shadow:0 1px 2px rgba(0,0,0,.25)}
.sw input:checked+.track{background:var(--accent-fill)}.sw input:checked+.track i{transform:translateX(18px)}
.sw input:focus-visible+.track{outline:2px solid var(--accent);outline-offset:2px}
.sw .lab{font-size:15.5px;color:var(--ink)}
.guess{margin-top:24px;padding:20px;border:1px solid var(--line-2);border-radius:var(--r-lg)}
.guess input{width:100%;accent-color:var(--accent)}
.guess .gv{margin-top:10px;font-size:15px;color:var(--ink-2)}.guess .gv b{font-size:40px;font-weight:700;letter-spacing:-.03em;color:var(--ink);font-variant-numeric:tabular-nums}
.revealbar{margin-top:20px}
.revealcard{margin-top:24px;padding:22px 24px;border:1px solid var(--line-2);border-radius:var(--r-lg);background:var(--canvas)}
.revealcard .k{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);font-weight:600;display:block;margin-bottom:6px}
.revealcard h2{font-size:30px;letter-spacing:-.02em;margin-bottom:10px}
.gmap{display:grid;gap:10px;margin-top:16px}
.grow{display:grid;grid-template-columns:1fr auto 1.2fr;gap:16px;align-items:center;padding:12px 16px;border:1px solid var(--line-2);border-radius:var(--r);background:var(--canvas)}
.grow .gl b{display:block;font-size:15.5px}.grow .gl small{color:var(--ink-3);font-size:13px}
.grow .gd{display:flex;gap:6px}.grow .gd i{width:14px;height:14px;border-radius:50%;border:2px solid var(--line)}
.grow .gd i.on{background:var(--accent-fill);border-color:var(--accent)}.grow .gd i.nx{border-color:var(--accent);border-style:dashed}
.grow .gv b{display:block;font-size:14.5px}.grow .gv small{color:var(--ink-3);font-size:12.5px}
@media(max-width:560px){.grow{grid-template-columns:1fr auto}.grow .gv{grid-column:1/-1}}
.wasyou{padding:22px 24px;border:1px solid var(--line-2);border-radius:var(--r-lg);background:var(--canvas-2)}
.wasyou .cta-row{margin-top:14px}
.linkbtn{font:inherit;font-size:inherit;color:var(--ink-3);background:none;border:0;padding:0;cursor:pointer;text-decoration:underline;text-underline-offset:3px}
.linkbtn:hover{color:var(--accent)}
.notmine{margin-top:18px}
.grow.na{opacity:.55}
.btn[disabled]{opacity:.45;cursor:default}
.piece.col{grid-template-columns:1fr}
.seg.wrap{flex-wrap:wrap;border-radius:14px}.seg.wrap button{border-radius:10px;white-space:normal;text-align:left;flex:1 1 45%}
.convo{margin-top:12px;display:grid;gap:8px}
.convo .you{font-size:13.5px;color:var(--ink-3);padding-left:4px}
.turn{display:block;width:100%;text-align:left;font:inherit;font-size:15.5px;line-height:1.45;color:var(--ink);padding:14px 16px;border-radius:4px 18px 18px 18px;border:1px solid var(--line-2);background:var(--canvas-2);cursor:pointer;position:relative}
.turn .from{display:block;font-size:12.5px;color:var(--ink-3);margin-bottom:4px}
.turn .stopl{display:block;margin-top:8px;font-size:12.5px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--accent);opacity:.55}
.turn:hover{border-color:var(--ink-3)}.turn:hover .stopl{opacity:1}
.turn[aria-pressed="true"]{border-color:var(--accent);background:var(--accent-soft)}
.ord .n{font-size:12px;font-weight:700}
.cblock{margin-top:18px}.cblock h3{font-size:16px;margin-bottom:8px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;align-items:baseline}
.cblock h3 small{font-weight:400;font-size:13px;color:var(--ink-3)}
.cblock .grow{margin-top:8px}
.share{padding:22px 24px;border:1px solid var(--accent);border-radius:var(--r-lg);background:var(--accent-soft)}
.share .cta-row{margin-top:14px}
#copied{margin-top:10px;word-break:break-all}

/* audit 01/10/2026: links inside running text are underlined, not told apart by colour alone (WCAG 1.4.1) */
main :is(p, li, td, dd, .src, .caveat, .note, .demo-banner, .foot) a:not(.btn):not(.linkbtn){text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:2px;text-decoration-color:color-mix(in srgb,currentColor 50%,transparent)}
main :is(p, li, td, dd, .src, .caveat, .note, .demo-banner, .foot) a:not(.btn):not(.linkbtn):hover{text-decoration-color:currentColor}
/* screens that take focus programmatically after a step change */
#v2-stage:focus,#question:focus{outline:none}
[role="region"][tabindex="0"]:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
/* four tab labels in French (Discernement, Délégation…) overflow a 320px screen by a few pixels */
@media(max-width:360px){.tabs:not(.wide){gap:2px;padding:3px}.tabs:not(.wide) button{font-size:11.5px;padding:8px 2px;min-width:0}}

/* ---------- home dashboard: the AI Fluency Index at a glance ---------- */
.dash{--dir:#98adff;--chk:#3f4eca;margin-top:28px}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .dash{--dir:#4a5ccc;--chk:#6f92dc}}
:root[data-theme="dark"] .dash{--dir:#4a5ccc;--chk:#6f92dc}
.dtiles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.dtile{background:var(--canvas);border:1px solid var(--line-2);border-radius:var(--r-lg);padding:18px 18px 16px;display:flex;flex-direction:column;gap:4px;opacity:0;transform:translateY(10px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.dash.in .dtile{opacity:1;transform:none}
.dash.in .dtile:nth-child(2){transition-delay:.08s}.dash.in .dtile:nth-child(3){transition-delay:.16s}.dash.in .dtile:nth-child(4){transition-delay:.24s}
.dtile b{font-size:clamp(28px,3.4vw,38px);letter-spacing:-.03em;line-height:1.05;font-variant-numeric:tabular-nums;color:var(--ink)}
.dtile.hl{border-color:var(--chk);box-shadow:inset 3px 0 0 var(--chk)}
.dtile .lab{font-size:14.5px;color:var(--ink);line-height:1.35}
.dtile small{font-size:12.5px;color:var(--ink-3);line-height:1.4}
.dmain{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:20px;margin-top:20px;align-items:start}
.dchart,.ddelta{background:var(--canvas);border:1px solid var(--line-2);border-radius:var(--r-lg);padding:20px}
.dhead{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 16px;align-items:baseline;margin-bottom:10px}
.dhead h3,.ddelta h3{font-size:16px;letter-spacing:-.01em;color:var(--ink)}
.dlegend{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:12.5px;color:var(--ink-2)}
.dlegend span{display:inline-flex;align-items:center;gap:6px}
.dsw{width:10px;height:10px;border-radius:3px;display:inline-block;flex:0 0 10px}.dsw.dir{background:var(--dir)}.dsw.chk{background:var(--chk)}
.dbars{display:flex;flex-direction:column;gap:2px}
.drow{all:unset;box-sizing:border-box;display:grid;grid-template-columns:minmax(150px,1.1fr) 1fr 56px;gap:12px;align-items:center;padding:6px 8px;margin:0 -8px;border-radius:8px;cursor:pointer;-webkit-tap-highlight-color:transparent}
.drow:hover{background:var(--canvas-2)}
.drow[aria-pressed="true"]{background:var(--accent-soft)}
.drow:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
.drow .lab{font-size:14px;color:var(--ink);line-height:1.3}
.drow .track{height:14px;position:relative}
.drow .fill{position:absolute;left:0;top:0;bottom:0;width:var(--w);border-radius:0 4px 4px 0;background:var(--dir);transform:scaleX(0);transform-origin:left;transition:transform .9s var(--ease);transition-delay:calc(var(--i) * 55ms + .15s)}
.drow.chk .fill{background:var(--chk)}
.dash.in .drow .fill{transform:none}
.drow .val{font-size:14px;font-weight:600;font-variant-numeric:tabular-nums;text-align:right;color:var(--ink)}
.drow.chk .lab{font-weight:600}
.dhint{margin-top:10px;color:var(--ink-3)}
.dside{position:sticky;top:84px}
.dcard{background:var(--canvas);border:1px solid var(--line-2);border-radius:var(--r-lg);padding:20px}
.dcard .dbig,.dcard h3{animation:dfade .3s var(--ease)}
@keyframes dfade{from{opacity:.5}to{opacity:1}}
.dcard .k,.dmap .k{display:block;font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);font-weight:600;margin-bottom:6px}
.dcard h3{font-size:18px;line-height:1.3;color:var(--ink)}
.dbig{font-size:44px;font-weight:700;letter-spacing:-.03em;font-variant-numeric:tabular-nums;margin:8px 0 10px;color:var(--ink)}
.dots{display:grid;grid-template-columns:repeat(20,1fr);gap:3px;max-width:300px;margin-bottom:10px}
.dots i{aspect-ratio:1;border-radius:2px;background:var(--track)}
.dots i.on.dir{background:var(--dir)}.dots i.on.chk{background:var(--chk)}
.dmap{margin-top:14px;font-size:14px;color:var(--ink)}
.ddesc{font-size:13.5px;color:var(--ink-2);margin-top:6px;line-height:1.45}
.dgo{display:inline-block;margin-top:10px;font-size:14px}
.ddelta{margin-top:12px}
.tview .ddelta .dh p{margin-top:0}
.ddelta .dh p{margin-top:4px;color:var(--ink-3)}
.dv{margin-top:14px;display:flex;flex-direction:column;gap:8px;max-width:820px}
.dvrow{display:grid;grid-template-columns:minmax(150px,220px) 1fr;gap:12px;align-items:center}
.dvrow .lab{font-size:14px;color:var(--ink)}
.dvrow .axis{position:relative;height:18px}
.dvrow .axis::before{content:"";position:absolute;left:50%;top:-4px;bottom:-4px;width:1px;background:var(--line)}
.dvrow .fill{position:absolute;top:2px;bottom:2px;left:50%;width:var(--w);background:var(--dir);border-radius:0 4px 4px 0;transform:scaleX(0);transform-origin:left;transition:transform .8s var(--ease);transition-delay:calc(var(--i) * 70ms + .5s)}
.dvrow.neg .fill{left:auto;right:50%;background:var(--chk);border-radius:4px 0 0 4px;transform-origin:right}
.dash.in .dvrow .fill{transform:none}
.dvrow .val{position:absolute;top:50%;transform:translateY(-50%);left:calc(50% + var(--w) + 8px);font-size:13.5px;font-weight:600;font-variant-numeric:tabular-nums;color:var(--ink);white-space:nowrap}
.dvrow.neg .val{left:auto;right:calc(50% + var(--w) + 8px)}
.dash.still .dtile,.dash.still .fill{transition:none!important}
@media (prefers-reduced-motion:reduce){.dtile,.drow .fill,.dvrow .fill,.dcard{transition:none!important;animation:none!important}}
@media (max-width:900px){.dtiles{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:760px){.dmain{grid-template-columns:1fr}.dside{display:none}.dbars .dcard{margin:6px 0 10px}}
@media (max-width:520px){.drow{grid-template-columns:1fr 52px;gap:4px 10px}.drow .lab{grid-column:1 / -1}.dvrow{grid-template-columns:1fr}.dvrow .axis{margin-top:2px}.dtile{padding:14px}}

.revealcard .rv{font-size:20px;line-height:1.4;color:var(--ink);font-weight:600;letter-spacing:-.01em;margin-bottom:4px}
.whysteps{margin:6px 0 0 20px;padding:0;display:flex;flex-direction:column;gap:8px}
.whysteps li{padding-left:2px}

/* The animations sit directly on the page: no frame, and their background melts into the section's.
   Light files have a white background: multiply leaves the section colour (brightness pushes the
   decoded near-white to pure white). Dark files have a black background: screen does the same.
   The poster is a ::before layer (set through --poster) so it blends the same way until frames play. */
.herovid::before,.loopvid::before{content:"";position:absolute;inset:0;background:var(--poster,none) center/cover no-repeat;transition:opacity 300ms var(--ease)}
.herovid.playing::before,.loopvid.playing::before{opacity:0}
.herovid video,.loopvid video{position:relative}
.herovid::before,.loopvid::before,.herovid video,.loopvid video{mix-blend-mode:multiply;filter:brightness(1.03)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .herovid::before,:root:not([data-theme="light"]) .loopvid::before,:root:not([data-theme="light"]) .herovid video,:root:not([data-theme="light"]) .loopvid video{mix-blend-mode:screen;filter:none}}
:root[data-theme="dark"] .herovid::before,:root[data-theme="dark"] .loopvid::before,:root[data-theme="dark"] .herovid video,:root[data-theme="dark"] .loopvid video{mix-blend-mode:screen;filter:none}
.herovid .hv-prog{border-radius:2px}

/* scroll reveal (site.js): a short rise with the entrance curve, siblings 70 ms apart */
html.rv-on .rv{opacity:0;translate:0 18px;transition:opacity 600ms cubic-bezier(.16,1,.3,1),translate 600ms cubic-bezier(.16,1,.3,1);transition-delay:calc(var(--rv-i,0) * 70ms)}
html.rv-on .rv.in{opacity:1;translate:0 0}
html.rv-on .hbars .row.rv .fill{transform-origin:left center;scale:0 1;transition:scale 900ms cubic-bezier(.16,1,.3,1);transition-delay:calc(var(--rv-i,0) * 90ms + 150ms)}
html.rv-on .hbars .row.rv.in .fill{scale:1 1}
@media(min-width:601px){
  html.rv-on .stairs > div.rv .bar{transform-origin:bottom center;scale:1 0;transition:scale 700ms cubic-bezier(.16,1,.3,1);transition-delay:calc(var(--rv-i,0) * 90ms + 100ms)}
  html.rv-on .stairs > div.rv.in .bar{scale:1 1}
}
@media (prefers-reduced-motion:reduce){html.rv-on .rv,html.rv-on .rv .fill,html.rv-on .rv .bar{opacity:1;translate:none;scale:none;transition:none}}

/* legal page */
.legal > *{max-width:760px}
.legal h3{font-size:18px;margin:32px 0 8px}
.legal h2 + h3{margin-top:18px}
.legal p,.legal li{font-size:16px;line-height:1.6;color:var(--ink-2)}
.legal p + p{margin-top:10px}
.legal ul.clean{margin:10px 0}

/* the framework's own definition of a competency, labelled, above the "when it is missing" box */
.cdef{margin-top:10px;max-width:760px}
.cdef .k{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);font-weight:600;display:block;margin-bottom:2px}
.cdef .quote{margin-top:0;color:var(--ink-2)}