/* QUANTT · FIAM 2026 — shared styles (index.html, team.html).
   Layout: an instrument readout. Sections run as one reading column with wide figures that break out of it. */
:root{
  color-scheme:light;
  --bg:#F4F6FA; --surface:#FFFFFF; --ink:#0F1A2C; --ink-2:#435270; --muted:#66758F; --rule:#DAE1EC; --rule-2:#C2CCDB;
  --accent:#295CAA; --accent-ink:#1F4A8C; --accent-wash:#E1E9F6;
  --amber:#C27A12; --rose:#B8336A; --violet:#8E6BB0; --ref:#8A94A8; --cell:#E2E8F1;
  --f-display:"Schibsted Grotesk",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-body:"Source Serif 4",Georgia,"Times New Roman",serif;
  --f-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --s-1:.8125rem; --s0:1.0625rem; --s1:1.25rem; --s2:1.625rem; --s3:2.25rem; --s4:clamp(2.2rem,5.2vw,3.6rem);
  --col:42rem; --wide:68rem;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0B1424; --surface:#111D33; --ink:#E8EEF7; --ink-2:#AEBBD0; --muted:#8392AA; --rule:#1F2E47; --rule-2:#2F4160;
  --accent:#5B8BD6; --accent-ink:#93B6EE; --accent-wash:#16305C;
  --amber:#C4801E; --rose:#D65A8C; --violet:#A98BD0; --ref:#6F7E96; --cell:#17253D; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0B1424; --surface:#111D33; --ink:#E8EEF7; --ink-2:#AEBBD0; --muted:#8392AA; --rule:#1F2E47; --rule-2:#2F4160;
  --accent:#5B8BD6; --accent-ink:#93B6EE; --accent-wash:#16305C;
  --amber:#C4801E; --rose:#D65A8C; --violet:#A98BD0; --ref:#6F7E96; --cell:#17253D; color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:4rem;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:var(--s0);line-height:1.6;
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));
  -webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:var(--f-display);line-height:1.12;text-wrap:balance;margin:0;letter-spacing:-.015em}
p{margin:0}
a{color:var(--accent-ink);text-underline-offset:.18em}
a:focus-visible,button:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:3px}
.mono{font-family:var(--f-mono);font-size:var(--s-1);letter-spacing:.02em}
.label{font-family:var(--f-mono);font-size:.75rem;text-transform:uppercase;letter-spacing:.09em;color:var(--muted)}
.num{font-variant-numeric:tabular-nums}

/* header */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:10;background:color-mix(in srgb,var(--bg) 88%,transparent);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--rule);
  margin-left:calc(-1*max(16px,env(safe-area-inset-left,0px)));margin-right:calc(-1*max(16px,env(safe-area-inset-right,0px)));
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.top-in{max-width:var(--wide);margin:0 auto;display:flex;align-items:center;gap:1rem;padding-block:.6rem}
.brand{font-family:var(--f-display);font-weight:800;letter-spacing:.04em;font-size:.95rem;color:var(--ink);text-decoration:none;display:inline-flex;align-items:center;gap:.5rem}
.brand .logo{width:28px;height:28px;flex:none;display:block}
.brand span{color:var(--muted);font-weight:500;letter-spacing:0}
@media (max-width:440px){.brand span{display:none}}
.nav{display:flex;gap:1.1rem;margin-left:auto;font-family:var(--f-display);font-size:.875rem}
.nav a{color:var(--ink-2);text-decoration:none}
.nav a:hover,.nav a[aria-current="page"]{color:var(--ink)}
.nav a.page-link{color:var(--accent-ink);font-weight:700}
.lang{display:inline-flex;border:1px solid var(--rule-2);border-radius:999px;padding:2px;margin-left:.5rem;flex:none}
.lang button{font:600 .78rem var(--f-mono);letter-spacing:.06em;border:0;background:transparent;color:var(--ink-2);padding:.3rem .7rem;border-radius:999px;cursor:pointer}
.lang button[aria-pressed="true"]{background:var(--ink);color:var(--bg)}
.mnav{display:none;font-family:var(--f-display);font-size:.875rem;font-weight:700;color:var(--accent-ink);text-decoration:none}
.nav a,.brand,.mnav{white-space:nowrap}
@media (max-width:1000px){.nav{display:none}.mnav{display:inline;margin-left:auto}.lang{margin-left:.75rem}}

main{max-width:var(--wide);margin:0 auto}
section{padding-block:clamp(3rem,7vw,5.5rem);border-top:1px solid var(--rule)}
section:first-of-type{border-top:0}
.col{max-width:var(--col)}
.sec-head{display:grid;gap:.9rem;margin-bottom:2.2rem;max-width:var(--col)}
.sec-head h2{font-size:var(--s3);font-weight:800}
.sec-head p{color:var(--ink-2);font-size:var(--s1);line-height:1.5}

/* hero */
.hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(1.5rem,4vw,3.5rem);align-items:center;padding-block:clamp(2.5rem,6vw,4.5rem) 2.5rem}
.hero-text{display:grid;gap:1.3rem;min-width:0}
.hero h1{font-size:var(--s4);font-weight:800;letter-spacing:-.03em}
.hero h1 em{display:block;font-style:normal;color:var(--accent-ink);font-size:.6em;letter-spacing:-.02em;margin-top:.35em}
.plus{color:var(--accent);font-style:normal}
.team-hero .plus{color:var(--ink)}
.hero .lede{font-size:var(--s1);color:var(--ink-2);line-height:1.5;max-width:36rem}
.scan{background:var(--surface);border:1px solid var(--rule);border-radius:10px;overflow:hidden;min-width:0;margin:0}
.scan-bar{display:flex;justify-content:space-between;gap:.75rem;padding:.6rem .9rem;border-bottom:1px solid var(--rule);flex-wrap:wrap}
.scan canvas{display:block;width:100%;height:clamp(180px,26vw,280px)}
.scan-foot{display:flex;justify-content:space-between;gap:.75rem;padding:.6rem .9rem;border-top:1px solid var(--rule);flex-wrap:wrap;align-items:baseline}
.scan-foot .reading{color:var(--ink);min-width:0}
.scan-foot .reading b{color:var(--accent-ink);font-weight:500}
@media (max-width:860px){.hero{grid-template-columns:1fr}}

.kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border-top:1px solid var(--rule-2);border-bottom:1px solid var(--rule-2);margin-bottom:1rem}
.kpi{padding:1.1rem 1rem 1.1rem 0;display:grid;gap:.35rem;align-content:start}
.kpi+.kpi{padding-left:1rem;border-left:1px solid var(--rule)}
.kpi .v{font-family:var(--f-display);font-weight:800;font-size:clamp(1.8rem,3.6vw,2.6rem);line-height:1;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.kpi .d{font-size:.9rem;color:var(--ink-2);line-height:1.35}
.kpis-note{color:var(--muted);font-size:.85rem}
@media (max-width:760px){.kpis{grid-template-columns:repeat(2,minmax(0,1fr))}.kpi:nth-child(3){padding-left:0;border-left:0}.kpi:nth-child(n+3){border-top:1px solid var(--rule)}}

/* three approaches */
.approaches{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}
.appr{padding:1.4rem;border:1px solid var(--rule);border-radius:10px;display:grid;gap:.8rem;align-content:start;background:transparent}
.appr.ours{background:var(--surface);border-color:var(--accent)}
.appr h3{font-size:var(--s1);font-weight:700}
.appr .q{font-family:var(--f-mono);font-size:.85rem;color:var(--ink-2);border-left:2px solid var(--rule-2);padding-left:.7rem}
.appr.ours .q{border-left-color:var(--accent)}
.appr p{color:var(--ink-2);font-size:.98rem}
.verdict{font-family:var(--f-mono);font-size:.75rem;letter-spacing:.06em;text-transform:uppercase}
.verdict.no{color:var(--muted)} .verdict.yes{color:var(--accent-ink)}
@media (max-width:860px){.approaches{grid-template-columns:1fr}}

/* pipeline diagram */
.flow{background:var(--surface);border:1px solid var(--rule);border-radius:10px;overflow:hidden}
.flow-bar{display:flex;justify-content:space-between;align-items:center;gap:.75rem;padding:.6rem .9rem;border-bottom:1px solid var(--rule);flex-wrap:wrap}
.flow-ctl{display:flex;gap:.35rem}
.flow-ctl button{font:500 .75rem var(--f-mono);letter-spacing:.04em;border:1px solid var(--rule-2);background:transparent;color:var(--ink-2);padding:.25rem .6rem;border-radius:999px;cursor:pointer}
.flow-ctl button:hover{color:var(--ink);border-color:var(--ink-2)}
.flow-ctl button[aria-pressed="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.flow-stage{padding:.75rem .9rem .25rem;min-width:0}
.flow svg{display:block;width:100%;height:auto;overflow:visible}
.flow .nd rect.box{fill:var(--bg);stroke:var(--rule-2);stroke-width:1;transition:fill .25s,stroke .25s}
.flow .nd.tx rect.box{stroke:color-mix(in srgb,var(--accent) 45%,var(--rule-2))}
.flow .nd.on rect.box{fill:var(--accent-wash);stroke:var(--accent);stroke-width:2}
.flow .nd{cursor:pointer}
.flow .nd text{font-family:var(--f-display);fill:var(--ink)}
.flow .nd text.t{font-weight:700;font-size:13.5px}
.flow .nd text.s{font-family:var(--f-mono);font-size:10.5px;fill:var(--muted)}
.flow .nd text.n{font-family:var(--f-mono);font-size:10px;fill:var(--muted)}
.flow .nd.on text.n{fill:var(--accent-ink)}
.flow path.edge{fill:none;stroke:var(--rule-2);stroke-width:1.5}
.flow path.edge.tx{stroke:color-mix(in srgb,var(--accent) 55%,var(--rule-2))}
.flow path.edge.on{stroke:var(--accent);stroke-width:2}
.flow text.elab{font-family:var(--f-mono);font-size:10px;fill:var(--muted)}
.flow text.lane{font-family:var(--f-mono);font-size:10px;letter-spacing:.09em;text-transform:uppercase;fill:var(--muted)}
.flow-cap{display:grid;grid-template-columns:auto minmax(0,1fr);gap:.2rem 1rem;align-items:baseline;padding:.85rem .9rem 1rem;border-top:1px solid var(--rule);min-height:6.6rem}
.flow-cap .k{font-family:var(--f-mono);font-size:.78rem;color:var(--accent-ink);grid-row:span 2}
.flow-cap h3{font-size:1.05rem;font-weight:700}
.flow-cap p{color:var(--ink-2);font-size:.96rem}
.flow-cap .fig{font-family:var(--f-mono);font-size:.78rem;color:var(--accent-ink)}
.flow-steps{margin:0;padding-left:1.2rem;display:grid;gap:.6rem;color:var(--ink-2);font-size:.95rem}
.flow-steps b{color:var(--ink);font-family:var(--f-display)}
.flow details{padding:0 .9rem .9rem}
.pipe-note{margin-top:2rem;color:var(--ink-2);font-size:.95rem;max-width:var(--col)}

/* figures */
figure{margin:0}
.fig-card{background:var(--surface);border:1px solid var(--rule);border-radius:10px;padding:1.25rem 1.25rem 1rem;min-width:0}
.fig-title{font-family:var(--f-display);font-weight:700;font-size:1.05rem;margin-bottom:.2rem}
.fig-sub{color:var(--muted);font-size:.85rem;margin-bottom:.9rem}
.chart{position:relative;width:100%;min-width:0}
.chart svg{display:block;width:100%;overflow:visible}
.chart text{font-family:var(--f-mono);font-size:11px;fill:var(--muted)}
.chart .ax{stroke:var(--rule-2);stroke-width:1}
.chart .grid{stroke:var(--rule);stroke-width:1}
.legend{display:flex;flex-wrap:wrap;gap:.4rem 1.2rem;margin-bottom:.8rem;font-family:var(--f-mono);font-size:.78rem;color:var(--ink-2)}
.legend i{display:inline-block;width:14px;height:3px;border-radius:2px;vertical-align:middle;margin-right:.45rem;position:relative;top:-1px}
.legend i.sq{height:10px;width:10px;border-radius:2px;top:-1px}
.legend i.dash{background:repeating-linear-gradient(90deg,var(--ref) 0 4px,transparent 4px 7px)!important}
.tip{position:absolute;pointer-events:none;background:var(--ink);color:var(--bg);font-family:var(--f-mono);font-size:.75rem;line-height:1.5;padding:.5rem .65rem;border-radius:6px;white-space:nowrap;z-index:3;transform:translate(-50%,-100%);margin-top:-10px}
.tip b{font-weight:500;display:block;opacity:.75;margin-bottom:.1rem}
.tip .row{display:flex;gap:.6rem;justify-content:space-between}
.tip .sw{display:inline-block;width:8px;height:8px;border-radius:2px;margin-right:.4rem}
figcaption{color:var(--muted);font-size:.85rem;margin-top:.75rem}

/* concepts */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:1.5rem}
@media (max-width:860px){.split{grid-template-columns:1fr}}
.cw{display:grid;gap:.55rem}
.cw-row{display:grid;grid-template-columns:minmax(0,1fr) 7.5rem 3.2rem;gap:.75rem;align-items:center}
.cw-row .t{font-size:.92rem;line-height:1.3;color:var(--ink)}
.cw-row .bar{height:10px;background:var(--cell);border-radius:2px;position:relative;overflow:hidden}
.cw-row .bar span{position:absolute;top:0;bottom:0;left:0;border-radius:0 4px 4px 0;transform-origin:left;transition:transform .9s cubic-bezier(.2,.7,.2,1)}
.cw-row .w{font-family:var(--f-mono);font-size:.8rem;text-align:right;font-variant-numeric:tabular-nums;color:var(--ink-2)}
.cw h3{font-family:var(--f-mono);font-size:.75rem;text-transform:uppercase;letter-spacing:.09em;font-weight:500;margin-bottom:.3rem}
.cw.neg h3{color:var(--rose)} .cw.pos h3{color:var(--accent-ink)}
@media (max-width:420px){.cw-row{grid-template-columns:minmax(0,1fr) 4.5rem 3rem}}

/* views */
.views{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:2rem;align-items:start}
@media (max-width:860px){.views{grid-template-columns:1fr}}
.irbars{display:grid;gap:1rem}
.irb{display:grid;gap:.35rem}
.irb .top-l{display:flex;justify-content:space-between;gap:1rem;font-size:.95rem}
.irb .top-l b{font-family:var(--f-mono);font-weight:500;font-variant-numeric:tabular-nums}
.irb .track{height:14px;background:var(--cell);border-radius:2px;overflow:hidden}
.irb .track span{display:block;height:100%;background:var(--ref);border-radius:0 4px 4px 0;transform-origin:left;transition:transform .9s cubic-bezier(.2,.7,.2,1)}
.irb.comb .track span{background:var(--accent)}
.irb .sub{font-family:var(--f-mono);font-size:.75rem;color:var(--muted)}
.prose{display:grid;gap:1rem;color:var(--ink-2)}
.prose strong{color:var(--ink);font-weight:600}
.formula{font-family:var(--f-mono);font-size:.9rem;background:var(--accent-wash);color:var(--ink);padding:.7rem .9rem;border-radius:6px;overflow-x:auto;white-space:nowrap}

/* book */
.facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.5rem 2rem;margin-bottom:2.5rem}
@media (max-width:860px){.facts{grid-template-columns:1fr}}
.fact{display:grid;gap:.45rem;align-content:start}
.fact h3{font-size:1.1rem;font-weight:700}
.fact p{color:var(--ink-2);font-size:.98rem}
.compare{width:100%;border-collapse:collapse;font-size:.95rem}
.tbl-wrap{overflow-x:auto;min-width:0}
.compare th,.compare td{text-align:right;padding:.55rem .75rem;border-bottom:1px solid var(--rule);font-variant-numeric:tabular-nums;white-space:nowrap}
.compare th:first-child,.compare td:first-child{text-align:left;white-space:normal;padding-left:0}
.compare thead th{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);font-weight:500;border-bottom:1px solid var(--rule-2);vertical-align:bottom}
.compare td{font-family:var(--f-mono);font-size:.86rem}
.compare td:first-child{font-family:var(--f-body);font-size:.95rem;min-width:11rem}
.compare .hl{color:var(--accent-ink);font-weight:500}
.holds{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}
@media (max-width:520px){.holds{grid-template-columns:1fr}}
.holds ol{list-style:none;margin:0;padding:0;display:grid;gap:.15rem}
.holds li{display:flex;justify-content:space-between;gap:.75rem;padding:.35rem 0;border-bottom:1px solid var(--rule);font-size:.92rem}
.holds li span:last-child{font-family:var(--f-mono);font-size:.8rem;color:var(--ink-2);font-variant-numeric:tabular-nums}
.holds li b{font-family:var(--f-mono);font-weight:500;font-size:.82rem;margin-right:.5rem}
.holds h3{font-family:var(--f-mono);font-size:.75rem;text-transform:uppercase;letter-spacing:.09em;font-weight:500;margin-bottom:.4rem}
.holds .L h3{color:var(--accent-ink)} .holds .S h3{color:var(--rose)}

/* results */
.results-grid{display:grid;gap:1.5rem}
.two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:1.5rem}
@media (max-width:860px){.two{grid-template-columns:1fr}}
details{margin-top:.8rem}
summary{cursor:pointer;font-family:var(--f-mono);font-size:.78rem;color:var(--ink-2)}
.callouts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.5rem 2rem;margin-top:1rem}
@media (max-width:860px){.callouts{grid-template-columns:1fr}}
.callouts p{color:var(--ink-2);font-size:.98rem}
.callouts strong{color:var(--ink)}

/* rigour */
.wf text{font-family:var(--f-mono);font-size:11px;fill:var(--muted)}
.checks{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.5rem 2rem;margin-top:2rem}
@media (max-width:860px){.checks{grid-template-columns:1fr}}
.check{display:grid;gap:.45rem;align-content:start}
.check .big{font-family:var(--f-display);font-weight:800;font-size:1.9rem;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.check .big small{font-size:.95rem;font-weight:500;color:var(--muted);letter-spacing:0}
.check h3{font-size:1.05rem;font-weight:700}
.check p{color:var(--ink-2);font-size:.96rem}

.limits{display:grid;grid-template-columns:1fr;gap:2rem}
.limits ul{margin:0;padding-left:1.1rem;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:.75rem 2.5rem;color:var(--ink-2)}
@media (max-width:860px){.limits ul{grid-template-columns:1fr}}
.limits h3{font-size:1.1rem;font-weight:700;margin-bottom:.8rem}
.limits strong{color:var(--ink);font-weight:600}

/* team strip on the main page */
.team-strip{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:1rem}
.team-strip a{display:grid;justify-items:center;align-content:start;gap:.6rem;text-decoration:none;color:var(--ink);font-family:var(--f-display);font-weight:700;font-size:.95rem;text-align:center}
.team-strip a:hover .ph{border-color:var(--accent)}
.team-strip .role{font-family:var(--f-mono);font-weight:400;font-size:.72rem;color:var(--muted);letter-spacing:.03em;line-height:1.35}
@media (max-width:760px){.team-strip{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:420px){.team-strip{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* photo with initials fallback */
.ph{position:relative;width:96px;aspect-ratio:1;border-radius:50%;overflow:hidden;background:var(--accent-wash);border:2px solid var(--rule);display:grid;place-items:center;transition:border-color .2s}
.ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ph .ini{font-family:var(--f-display);font-weight:800;font-size:1.6rem;color:var(--accent-ink);letter-spacing:.02em}

/* team page */
.team-hero{padding-block:clamp(2.5rem,6vw,4.5rem) 1.5rem;display:grid;gap:1.1rem;max-width:var(--col)}
.team-hero h1{font-size:var(--s4);font-weight:800;letter-spacing:-.03em}
.team-hero h1 em{font-style:normal;color:var(--accent-ink)}
.team-hero p{font-size:var(--s1);color:var(--ink-2);line-height:1.5}
.people{display:grid;gap:1.25rem;padding-bottom:clamp(3rem,7vw,5rem)}
.person{display:grid;grid-template-columns:180px minmax(0,1fr);gap:1.75rem;background:var(--surface);border:1px solid var(--rule);border-radius:10px;padding:1.5rem;scroll-margin-top:5rem}
.person .ph{width:180px}
.person .ph .ini{font-size:2.6rem}
.person .who{display:grid;gap:.55rem;align-content:start;min-width:0}
.person h2{font-size:var(--s2);font-weight:800}
.person .meta{font-family:var(--f-mono);font-size:.78rem;color:var(--muted);letter-spacing:.02em;line-height:1.5}
.person .bio{color:var(--ink-2);font-size:1rem;display:grid;gap:.6rem}
.person .tags{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.2rem}
.person .tags span{font-family:var(--f-mono);font-size:.72rem;color:var(--accent-ink);background:var(--accent-wash);border-radius:999px;padding:.2rem .6rem}
@media (max-width:640px){.person{grid-template-columns:1fr;gap:1rem}.person .ph{width:120px}.person .ph .ini{font-size:2rem}}
.back{display:inline-flex;gap:.4rem;font-family:var(--f-mono);font-size:.8rem;text-decoration:none;color:var(--ink-2)}
.back:hover{color:var(--ink)}

/* reveal on scroll */
.rv{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}.rv{opacity:1;transform:none;transition:none}}

footer{max-width:var(--wide);margin:0 auto;border-top:1px solid var(--rule-2);padding-block:2rem 3rem;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:2rem;color:var(--ink-2);font-size:.92rem}
footer h3{font-family:var(--f-mono);font-size:.75rem;text-transform:uppercase;letter-spacing:.09em;font-weight:500;color:var(--muted);margin-bottom:.6rem}
footer ul{list-style:none;margin:0;padding:0;display:grid;gap:.35rem}
footer a{color:var(--ink-2)}
.disc{grid-column:1/-1;color:var(--muted);font-size:.82rem}
@media (max-width:760px){footer{grid-template-columns:1fr}}
@media print{.top{position:static}.rv{opacity:1;transform:none}}

/* bars grow in when their figure scrolls into view */
.rv .cw-row .bar span,.rv .irb .track span{transform:scaleX(0)}
.rv.in .cw-row .bar span,.rv.in .irb .track span{transform:none}
.rv.in .cw-row:nth-child(3) .bar span{transition-delay:.06s}.rv.in .cw-row:nth-child(4) .bar span{transition-delay:.12s}
.rv.in .cw-row:nth-child(5) .bar span{transition-delay:.18s}.rv.in .cw-row:nth-child(6) .bar span{transition-delay:.24s}
.rv.in .cw-row:nth-child(7) .bar span{transition-delay:.3s}.rv.in .cw-row:nth-child(8) .bar span{transition-delay:.36s}
@media (prefers-reduced-motion:reduce){.rv .cw-row .bar span,.rv .irb .track span{transform:none;transition:none}}
.flow .fo{font-family:var(--f-display);color:var(--ink);line-height:1.15;padding:7px 9px;height:100%;display:flex;flex-direction:column;gap:2px;pointer-events:none}
.flow .fo .n{font-family:var(--f-mono);font-size:10px;color:var(--muted);letter-spacing:.04em}
.flow .nd.on .fo .n{color:var(--accent-ink)}
.flow .fo .t{font-weight:700;font-size:13.5px;letter-spacing:-.005em}
.flow .fo .s{font-family:var(--f-mono);font-size:10.5px;color:var(--muted);margin-top:auto}

/* placeholder for sections still being written */
.placeholder{display:grid;gap:.6rem;justify-items:start;padding:2.5rem 1.5rem;border:1.5px dashed var(--rule-2);border-radius:10px;color:var(--muted);min-height:12rem;align-content:center}
.placeholder p{max-width:var(--col);font-size:1rem}

/* Carbon Arc lane and sleeve cards (amber), added for the Book C + sleeves page */
.flow .nd.ca rect.box{stroke:color-mix(in srgb,var(--amber) 55%,var(--rule-2))}
.flow path.edge.ca{stroke:color-mix(in srgb,var(--amber) 55%,var(--rule-2))}
.flow .nd.ca.on rect.box{fill:color-mix(in srgb,var(--amber) 14%,var(--surface));stroke:var(--amber)}
.verdict.ca{color:var(--amber)}
.appr.ca{background:var(--surface);border-color:color-mix(in srgb,var(--amber) 60%,var(--rule))}
.appr.ca .q{border-left-color:var(--amber)}
.appr ul{margin:0;padding-left:1.1rem;display:grid;gap:.35rem;color:var(--ink-2);font-size:.95rem}
.approaches.two-up{grid-template-columns:repeat(2,minmax(0,1fr))}
@media (max-width:860px){.approaches.two-up{grid-template-columns:1fr}}

/* final-deck sections: summary tiles, 8-K example, brain-scan steps, feature lists, funnel, optimiser, Arcana, film */
.xtiles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;margin-bottom:1rem}
.xtiles.four{grid-template-columns:repeat(4,minmax(0,1fr))}
.xtiles.small{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:.5rem}
.xtiles.col1{grid-template-columns:1fr;align-content:start}
@media (max-width:860px){.xtiles,.xtiles.four{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:420px){.xtiles,.xtiles.four,.xtiles.small{grid-template-columns:1fr}}
.xt{background:var(--surface);border:1px solid var(--rule);border-top:4px solid var(--c);border-radius:8px;padding:1.2rem 1rem;display:grid;gap:.35rem;align-content:start}
.xt .v{font-family:var(--f-display);font-weight:800;font-size:clamp(1.9rem,4.4vw,3rem);line-height:1;color:var(--c);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.xtiles.small .xt .v,.xtiles.col1 .xt .v{font-size:clamp(1.6rem,3vw,2.2rem)}
.xt .d{color:var(--ink-2);font-size:.92rem;line-height:1.35}
.mini-h{font-size:var(--s1);font-weight:700;margin-bottom:1.1rem}
.views.wide{grid-template-columns:minmax(0,1.75fr) minmax(0,.65fr)}
@media (max-width:860px){.views.wide{grid-template-columns:1fr}}
.quote-card blockquote{margin:.6rem 0 0;font-family:var(--f-mono);font-size:.82rem;line-height:1.6;color:var(--ink-2);display:grid;gap:.6rem}
.quote-card blockquote b{color:var(--ink);font-weight:500}
.quote-card mark{background:color-mix(in srgb,var(--rose) 18%,transparent);color:var(--ink);padding:0 .15em;border-radius:2px}
.img-card{background:#fff;border:1px solid var(--rule);border-radius:8px;padding:.6rem;overflow:hidden}
.img-card img{display:block;width:100%;height:auto}
.appr .refs{font-family:var(--f-mono);font-size:.75rem;color:var(--muted);margin-top:.2rem}
.band{margin-top:1.75rem;padding:1rem 1.25rem;border-radius:8px;background:var(--accent-wash);color:var(--ink);font-family:var(--f-display);font-weight:700;font-size:var(--s1);text-align:center}
.steps5{list-style:none;counter-reset:st;margin:1.5rem 0 0;padding:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:1rem}
.steps5 li{counter-increment:st;display:grid;gap:.35rem;align-content:start;font-size:.92rem;color:var(--ink-2)}
.steps5 li b{font-family:var(--f-display);color:var(--ink);font-size:1rem}
.steps5 li b::before{content:counter(st) "  ";color:var(--accent-ink);font-family:var(--f-mono);font-weight:500}
@media (max-width:860px){.steps5{grid-template-columns:1fr}}
.feat{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem}
@media (max-width:520px){.feat{grid-template-columns:1fr}}
.feat h3{font-family:var(--f-mono);font-size:.75rem;text-transform:uppercase;letter-spacing:.09em;font-weight:500;margin-bottom:.4rem}
.feat .neg h3{color:var(--rose)} .feat .pos h3{color:var(--accent-ink)}
.feat ol{list-style:none;margin:0;padding:0;display:grid;gap:.15rem}
.feat li{display:flex;justify-content:space-between;gap:.75rem;padding:.35rem 0;border-bottom:1px solid var(--rule);font-size:.9rem;line-height:1.3}
.feat li b{font-family:var(--f-mono);font-weight:500;font-size:.75rem;color:var(--muted);white-space:nowrap}
.funnel{display:grid;gap:6px;align-content:start}
.fn{display:grid;grid-template-columns:minmax(0,1fr) 11rem;align-items:center;gap:1rem}
.fn-bar{width:var(--w);justify-self:center;background:var(--c);color:#fff;text-align:center;font-family:var(--f-display);font-weight:700;font-size:.98rem;padding:.85rem 1.4rem;clip-path:polygon(0 0,100% 0,calc(100% - 16px) 100%,16px 100%)}
.fn-out{font-family:var(--f-mono);font-size:.78rem;color:var(--rose)}
.fn.end .fn-bar{width:46%;background:transparent;color:var(--rose);border:2px solid var(--rose);clip-path:none;border-radius:6px;font-size:1.1rem}
.fn.end .fn-out{color:var(--muted)}
@media (max-width:640px){.fn{grid-template-columns:1fr;gap:.2rem}.fn-out{text-align:center;margin-bottom:.3rem}}
.combo{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,.9fr) minmax(0,1.6fr) minmax(0,1fr);gap:1rem;align-items:stretch}
@media (max-width:980px){.combo{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.combo{grid-template-columns:1fr}}
.big2{font-family:var(--f-display);font-weight:700;font-size:1.05rem;color:var(--ink);line-height:1.6}
.big2 .L,.big2 .S{font-size:1.8rem;font-weight:800}
.big2 .L{color:var(--accent-ink)} .big2 .S{color:var(--rose)}
.opt{background:#1F2350;color:#fff;border-radius:10px;padding:1.2rem;display:grid;gap:.8rem;align-content:start}
.opt .verdict{color:#C9D3EA}
.otiles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.5rem}
@media (max-width:420px){.otiles{grid-template-columns:repeat(2,minmax(0,1fr))}}
.otiles div{background:#C9D3EA;color:#1F2350;border-radius:6px;padding:.6rem .4rem;text-align:center;display:grid;gap:.15rem}
.otiles b{font-family:var(--f-display);font-weight:800;font-size:1.1rem;white-space:nowrap}
.otiles span{font-size:.75rem;line-height:1.25}
.onote{font-family:var(--f-mono);font-size:.72rem;color:#C9D3EA}
.arcana{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.5rem 1.25rem}
@media (max-width:760px){.arcana{grid-template-columns:1fr}}
.arcana figcaption{margin-top:.5rem}
.arcana figcaption b{color:var(--ink);font-family:var(--f-display);font-weight:700;margin-right:.3rem}
.why4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1rem}
@media (max-width:980px){.why4{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.why4{grid-template-columns:1fr}}
.film video{display:block;width:100%;height:auto;border-radius:6px;background:#000}
.stat-list{list-style:none;padding:0!important}
.stat-list b{font-family:var(--f-display);font-weight:800;font-size:1.25rem;color:var(--accent-ink);margin-right:.35rem}