/* ══════════════════════════════════════════════════════════
   Qryptonics — design tokens
   Light scheme reads as a technical drawing on paper: indigo
   ink, copper annotation, cryo blue for circuits and data.
   ══════════════════════════════════════════════════════════ */
:root{
  --paper:    #161B29;
  --card:     #1E2434;
  --sunk:     #121825;

  --ink:      #EDF0F7;
  --body:     #B4BED4;
  --muted:    #97A2BC;
  --faint:    #808CA8;

  --line:     #2A3145;
  --line-hi:  #3B445E;

  --copper:   #C8874A;
  --copper-hi:#E0A468;
  --copper-bg:#2C2418;

  --cryo:     #5BB8E0;
  --cryo-hi:  #7FCFF0;
  --cryo-bg:  #1B3247;

  /* Circuit gate families get their own colour, so a reader can tell
     what a gate does before reading the label. */
  --g-1q:     #5BB8E0;
  --g-phase:  #A78BFA;
  --g-rot:    #C3E453;
  --g-2q:     #E0A468;
  --g-meter:  #97A2BC;

  --rot-bg:   #2A3119;
  --raise:    #262E42;
  --on-copper:#150C03;

  --f-display:'Chivo', system-ui, sans-serif;
  --f-mono:'IBM Plex Mono', ui-monospace, monospace;

  --gutter: clamp(1.25rem, 5vw, 5.5rem);
  --maxw: 1280px;
  --rule: 1px solid var(--line);
  --shadow: 0 2px 6px rgba(0,0,0,.35), 0 16px 40px -18px rgba(0,0,0,.6);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:5rem}
body{
  margin:0;background:var(--paper);color:var(--body);
  font-family:var(--f-display);font-weight:400;
  font-size:clamp(1rem,.96rem + .2vw,1.0625rem);line-height:1.65;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img,canvas,svg{max-width:100%}
img,canvas{display:block}
h1,h2,h3,h4{margin:0;line-height:1.1;font-weight:900;letter-spacing:-.028em;color:var(--ink)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
strong{color:var(--ink)}

.skip{position:absolute;left:-9999px;top:0;background:var(--copper);color:var(--on-copper);padding:.75rem 1.25rem;z-index:999;font-family:var(--f-mono)}
.skip:focus{left:0}
:focus-visible{outline:2px solid var(--copper);outline-offset:3px;border-radius:2px}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
}

/* ── type devices ──────────────────────────────────────── */
.eyebrow{
  font-family:var(--f-mono);font-size:.72rem;font-weight:500;
  letter-spacing:.18em;text-transform:uppercase;color:var(--copper);
}
.section-h{
  font-size:clamp(1.5rem,1.2rem + 1.1vw,2.1rem);
  display:flex;align-items:baseline;gap:.85rem;
  padding-bottom:1.6rem;margin-bottom:3.25rem;border-bottom:var(--rule);
}
.section-h__mark{font-family:var(--f-mono);font-weight:400;color:var(--copper);font-size:.7em;letter-spacing:0}
.lede{font-size:clamp(1.05rem,1rem + .35vw,1.25rem);line-height:1.7;color:var(--body);max-width:62ch}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-family:var(--f-mono);font-size:.82rem;font-weight:500;letter-spacing:.03em;
  padding:.95rem 1.65rem;border-radius:3px;border:1px solid transparent;
  transition:background .18s ease,border-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn--solid{background:var(--copper);color:var(--on-copper);border-color:var(--copper)}
.btn--solid:hover{background:var(--copper-hi);border-color:var(--copper-hi);transform:translateY(-1px);box-shadow:0 6px 18px -8px rgba(162,90,34,.6)}
.btn--ghost{border-color:var(--line-hi);color:var(--ink);background:var(--card)}
.btn--ghost:hover{border-color:var(--copper);color:var(--copper)}

/* ── nav ───────────────────────────────────────────────── */
.nav{
  position:sticky;top:0;z-index:60;
  display:flex;align-items:center;justify-content:space-between;gap:2rem;
  padding:.9rem var(--gutter);
  background:rgba(22,27,41,.88);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:var(--rule);
}
.nav__brand{display:flex;align-items:center;gap:.65rem;flex:0 0 auto}
.nav__glyph{width:22px;height:22px;fill:none;stroke:var(--copper);stroke-width:1.5;stroke-linejoin:round}
.nav__word{font-weight:900;font-size:1.06rem;letter-spacing:-.02em;color:var(--ink)}

.nav__toggle{
  display:none;background:none;border:1px solid var(--line-hi);border-radius:3px;
  padding:.55rem .7rem;cursor:pointer;color:var(--ink);
}
.nav__toggle svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;display:block}
.nav__toggle[aria-expanded="true"] .nav__ico-open{display:none}
.nav__toggle[aria-expanded="false"] .nav__ico-close{display:none}

.nav__menu{display:flex;align-items:center;gap:1.85rem}
.nav__menu > a,.nav__group-btn{
  font-family:var(--f-mono);font-size:.78rem;color:var(--muted);
  letter-spacing:.02em;transition:color .18s ease;background:none;border:0;
  cursor:pointer;padding:0;font-weight:400;
}
.nav__menu > a:hover,.nav__group-btn:hover{color:var(--ink)}
.nav__menu > a[aria-current="page"]{color:var(--copper)}

.nav__group{position:relative}
.nav__group-btn{display:inline-flex;align-items:center;gap:.35rem;font-family:var(--f-mono)}
.nav__group-btn svg{width:9px;height:9px;fill:none;stroke:currentColor;stroke-width:2;transition:transform .18s ease}
.nav__group-btn[aria-expanded="true"] svg{transform:rotate(180deg)}
.nav__dropdown{
  position:absolute;top:calc(100% + .85rem);left:50%;transform:translateX(-50%) translateY(-4px);
  min-width:12rem;background:var(--card);border:var(--rule);border-radius:4px;
  box-shadow:var(--shadow);padding:.4rem;display:grid;gap:.15rem;
  opacity:0;visibility:hidden;transition:opacity .16s ease,transform .16s ease,visibility .16s;
}
.nav__group-btn[aria-expanded="true"] + .nav__dropdown{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.nav__dropdown a{
  display:block;padding:.6rem .75rem;border-radius:3px;
  font-family:var(--f-mono);font-size:.78rem;color:var(--body);
  transition:background .14s ease,color .14s ease;
}
.nav__dropdown a:hover{background:var(--sunk);color:var(--ink)}
.nav__dropdown small{display:block;font-family:var(--f-display);font-size:.72rem;color:var(--faint);margin-top:.1rem}

.nav__cta{
  color:var(--copper) !important;border:1px solid var(--line-hi);
  padding:.55rem 1.05rem;border-radius:3px;transition:border-color .18s ease,background .18s ease;
}
.nav__cta:hover{border-color:var(--copper);background:var(--copper-bg)}

@media (max-width:1020px){
  .nav{flex-wrap:wrap}
  .nav__toggle{display:block;margin-left:auto}
  .nav__menu{
    flex-basis:100%;flex-direction:column;align-items:stretch;gap:.15rem;
    max-height:0;overflow:hidden;transition:max-height .28s ease;
  }
  .nav__menu.is-open{max-height:32rem;padding-top:.9rem}
  .nav__menu > a,.nav__group-btn{padding:.75rem .25rem;font-size:.9rem}
  .nav__group-btn{width:100%;justify-content:space-between}
  .nav__dropdown{
    position:static;transform:none;opacity:1;visibility:visible;
    box-shadow:none;border:0;border-left:2px solid var(--line-hi);border-radius:0;
    margin:0 0 .4rem .25rem;padding:0 0 0 .75rem;max-height:0;overflow:hidden;
    transition:max-height .22s ease;
  }
  .nav__group-btn[aria-expanded="true"] + .nav__dropdown{max-height:12rem;transform:none}
  .nav__cta{text-align:center;margin-top:.6rem}
}

/* ── hero (home) ───────────────────────────────────────── */
.hero{position:relative;isolation:isolate;min-height:min(84vh,840px);display:flex;align-items:center;overflow:hidden}
.hero__canvas{position:absolute;inset:0;width:100%;height:100%;z-index:-2}
.hero__veil{
  position:absolute;inset:0;z-index:-1;
  background:
    linear-gradient(100deg,var(--paper) 0%,rgba(22,27,41,.95) 40%,rgba(22,27,41,.68) 58%,rgba(22,27,41,.12) 80%,rgba(22,27,41,0) 93%),
    linear-gradient(180deg,rgba(22,27,41,.75) 0%,transparent 16%,transparent 80%,var(--paper) 100%);
}
.hero__inner{width:100%;max-width:var(--maxw);margin:0 auto;padding:6.5rem var(--gutter) 5.5rem}
.hero__title{font-size:clamp(2.4rem,1.5rem + 4vw,4.75rem);margin:1.5rem 0 0;max-width:19ch}
.hero__title em{font-style:normal;color:var(--copper)}
.hero__lede{margin-top:1.8rem;max-width:56ch;font-size:clamp(1.02rem,.98rem + .3vw,1.18rem);color:var(--body);line-height:1.72}
.hero__actions{display:flex;flex-wrap:wrap;gap:.85rem;margin-top:2.5rem}
.hero__facts{display:flex;flex-wrap:wrap;gap:2.75rem;margin:3.75rem 0 0;padding-top:1.75rem;border-top:var(--rule);max-width:62ch}
.hero__facts div{display:flex;flex-direction:column;gap:.4rem}
.hero__facts dt{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--faint)}
.hero__facts dd{margin:0;font-family:var(--f-mono);font-size:.85rem;color:var(--cryo)}
.hero__caption{position:absolute;right:var(--gutter);bottom:1.6rem;font-family:var(--f-mono);font-size:.66rem;letter-spacing:.06em;color:var(--faint);text-align:right;max-width:34ch}
@media (max-width:820px){.hero__caption{display:none}}

/* ── page header (inner pages) ─────────────────────────── */
.phead{border-bottom:var(--rule);background:var(--card)}
.phead__inner{max-width:var(--maxw);margin:0 auto;padding:5rem var(--gutter) 4rem}
.phead__title{font-size:clamp(2.1rem,1.5rem + 2.6vw,3.6rem);margin:1.2rem 0 1.4rem;max-width:20ch}
.phead__lede{max-width:62ch;font-size:clamp(1.02rem,.98rem + .3vw,1.18rem);line-height:1.72;color:var(--body)}
.phead__meta{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:2.2rem}
.phead__meta li{font-family:var(--f-mono);font-size:.72rem;color:var(--cryo);background:var(--cryo-bg);padding:.4rem .7rem;border-radius:3px}

/* ── generic section wrapper ───────────────────────────── */
.wrap{max-width:var(--maxw);margin:0 auto;padding:6rem var(--gutter)}
.wrap--tight{padding-top:4rem}
.band{background:var(--card);border-top:var(--rule);border-bottom:var(--rule)}

/* ── stakes ────────────────────────────────────────────── */
.stakes__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,25rem),1fr));gap:3.5rem}
.stake{border-left:2px solid var(--line-hi);padding-left:2rem}
.stake__tag{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--copper);margin-bottom:1.1rem}
.stake__title{font-size:clamp(1.35rem,1.15rem + .75vw,1.7rem);margin-bottom:1.15rem;max-width:22ch}
.stake__body{line-height:1.75}
.stake__note{margin-top:1.35rem;padding-top:1.2rem;border-top:var(--rule);font-family:var(--f-mono);font-size:.8rem;color:var(--cryo);line-height:1.6}

/* ── practices ─────────────────────────────────────────── */
.practices .section-h{margin-bottom:0}
.practice:first-of-type{border-top:0}
.practice{
  display:grid;grid-template-columns:minmax(14rem,19rem) minmax(0,1fr);
  gap:2.5rem 4rem;padding:3.5rem 0;border-top:var(--rule);
}
.practice:last-of-type{border-bottom:var(--rule)}
.practice__id{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.18em;color:var(--copper);margin-bottom:.9rem}
.practice__title{font-size:clamp(1.5rem,1.25rem + .95vw,2rem);max-width:14ch}
.practice__lede{font-size:1.05rem;line-height:1.72;color:var(--ink);max-width:62ch;margin-bottom:1.8rem;font-weight:500}
.practice__list{display:grid;gap:.8rem}
.practice__list li{position:relative;padding-left:1.5rem;font-size:.96rem;line-height:1.6}
.practice__list li::before{content:'';position:absolute;left:0;top:.62em;width:6px;height:6px;border:1px solid var(--copper);transform:rotate(45deg)}
.manifest{grid-column:2;display:flex;flex-wrap:wrap;gap:.5rem;margin-top:2rem}
.manifest li{font-family:var(--f-mono);font-size:.72rem;color:var(--cryo);border:1px solid var(--line);padding:.4rem .7rem;border-radius:3px;background:var(--card)}
@media (max-width:900px){
  .practice{grid-template-columns:1fr;gap:1.75rem}
  .manifest{grid-column:1}
  .practice__title{max-width:none}
}

/* ── quantum circuit figures ───────────────────────────── */
.figure{
  grid-column:2;margin-top:2.25rem;background:var(--card);
  border:var(--rule);border-radius:5px;overflow:hidden;
}
.figure__bar{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:.7rem 1rem;border-bottom:var(--rule);background:var(--sunk);
}
.figure__label{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.figure__play{
  font-family:var(--f-mono);font-size:.68rem;color:var(--cryo);background:var(--card);
  border:1px solid var(--line-hi);border-radius:3px;padding:.3rem .6rem;cursor:pointer;
  transition:border-color .16s ease,color .16s ease;
}
.figure__play:hover{border-color:var(--cryo);color:var(--cryo-hi)}
.figure__body{padding:1.25rem 1rem;overflow-x:auto}
.figure__cap{
  padding:.85rem 1rem;border-top:var(--rule);font-family:var(--f-mono);
  font-size:.73rem;line-height:1.6;color:var(--muted);min-height:3.1rem;
}
.figure__cap b{color:var(--cryo);font-weight:500}
@media (max-width:900px){.figure{grid-column:1}}

.circuit{display:block;min-width:520px}
.circuit .wire{stroke:var(--line-hi);stroke-width:1.25}
.circuit .qlabel{font-family:'IBM Plex Mono',monospace;font-size:11px;fill:var(--muted)}
.circuit .gate rect,.circuit .gate circle{transition:fill .2s ease,stroke .2s ease}
.circuit .gate rect{fill:var(--card);stroke:var(--g-1q);stroke-width:1.25;rx:3}
.circuit .gate text{font-family:'IBM Plex Mono',monospace;font-size:11px;font-weight:500;fill:var(--g-1q);text-anchor:middle;dominant-baseline:central;pointer-events:none}
.circuit .gate--param rect{stroke:var(--g-rot)}
.circuit .gate--param text{fill:var(--g-rot)}
.circuit .gate{cursor:pointer}
.circuit .gate:hover rect{fill:var(--cryo-bg)}
.circuit .gate--param:hover rect{fill:var(--rot-bg)}
.circuit .gate.is-lit rect{fill:var(--cryo-bg);stroke-width:2}
.circuit .gate--param.is-lit rect{fill:var(--rot-bg)}
.circuit .ctrl{fill:var(--g-2q);transition:fill .2s ease}
.circuit .link{stroke:var(--g-2q);stroke-width:1.25;transition:stroke .2s ease,stroke-width .2s ease}
.circuit .targ{fill:var(--card);stroke:var(--g-2q);stroke-width:1.25;transition:stroke .2s ease,stroke-width .2s ease}
.circuit .gate--link rect.hit{fill:transparent;stroke:none}
.circuit .gate--link:hover .ctrl,.circuit .gate--link.is-lit .ctrl{fill:var(--copper-hi)}
.circuit .gate--link:hover .link,.circuit .gate--link.is-lit .link,
.circuit .gate--link:hover .targ,.circuit .gate--link.is-lit .targ{stroke:var(--copper-hi);stroke-width:2}
.circuit .meter{fill:var(--card);stroke:var(--g-meter);stroke-width:1.25;rx:3}
.circuit .meter-arc{fill:none;stroke:var(--g-meter);stroke-width:1.1}
/* No text-transform here: uppercasing turns γ into Γ. Case is set in the markup. */
.circuit .band-lbl{font-family:'IBM Plex Mono',monospace;font-size:9px;fill:var(--faint);letter-spacing:.08em}
.circuit .band-box{fill:none;stroke:var(--line-hi);stroke-width:1;stroke-dasharray:3 3;rx:4}
.circuit .sweep{fill:var(--copper);opacity:.10}

/* ── Ising / QUBO graph figure ─────────────────────────── */
.graphfig{display:block;max-width:440px;margin:0 auto}
.graphfig .node{fill:var(--card);stroke:var(--g-1q);stroke-width:1.5;transition:fill .2s ease}
.graphfig .node.is-up{fill:var(--copper-bg);stroke:var(--copper-hi)}
.graphfig .nlabel{font-family:'IBM Plex Mono',monospace;font-size:10px;fill:var(--body);text-anchor:middle;dominant-baseline:central;pointer-events:none}
.graphfig .edge{stroke:var(--line-hi);stroke-width:1.5}
.graphfig .edge.is-frust{stroke:var(--copper);stroke-dasharray:4 3}
.graphfig .wlabel{font-family:'IBM Plex Mono',monospace;font-size:9px;fill:var(--faint);text-anchor:middle}

/* ── card grids ────────────────────────────────────────── */
.grid{display:grid;gap:1px;background:var(--line);border:var(--rule);border-radius:5px;overflow:hidden}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(min(100%,22rem),1fr))}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(min(100%,17rem),1fr))}
.grid--4{grid-template-columns:repeat(auto-fit,minmax(min(100%,15rem),1fr))}
.cell{background:var(--card);padding:2.3rem 1.9rem;transition:background .18s ease}
.cell:hover{background:var(--sunk)}
.cell__k{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.14em;color:var(--copper);margin-bottom:1rem}
.cell__title{font-size:1.1rem;font-weight:700;letter-spacing:-.01em;margin-bottom:.85rem}
.cell__body{font-size:.92rem;line-height:1.66;color:var(--body)}
.cell__list{display:grid;gap:.7rem;margin-top:1.1rem}
.cell__list li{font-size:.89rem;line-height:1.55;position:relative;padding-left:1.1rem}
.cell__list li::before{content:'';position:absolute;left:0;top:.6em;width:5px;height:5px;border:1px solid var(--line-hi);transform:rotate(45deg)}

/* ── service blocks (dev / services pages) ─────────────── */
.svc{display:grid;grid-template-columns:minmax(13rem,17rem) minmax(0,1fr);gap:2rem 3.5rem;padding:3rem 0;border-top:var(--rule)}
.svc:first-of-type{border-top:0;padding-top:0}
.svc__id{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.16em;color:var(--copper);margin-bottom:.8rem}
.svc__title{font-size:clamp(1.3rem,1.15rem + .7vw,1.7rem);max-width:16ch}
.svc__note{margin-top:.9rem;font-family:var(--f-mono);font-size:.74rem;line-height:1.65;color:var(--faint)}
.svc__lede{font-size:1.02rem;line-height:1.7;color:var(--ink);font-weight:500;margin-bottom:1.5rem;max-width:60ch}
.svc__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,15rem),1fr));gap:1.5rem 2.5rem}
.svc__col h3{font-size:.82rem;font-family:var(--f-mono);font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:.8rem}
.svc__col ul{display:grid;gap:.6rem}
.svc__col li{font-size:.91rem;line-height:1.55;position:relative;padding-left:1.15rem}
.svc__col li::before{content:'';position:absolute;left:0;top:.58em;width:5px;height:5px;border:1px solid var(--copper);transform:rotate(45deg)}
@media (max-width:900px){.svc{grid-template-columns:1fr;gap:1.4rem}.svc__title{max-width:none}}

/* ── sectors ───────────────────────────────────────────── */
.sectors__list{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,17rem),1fr));gap:2.5rem 3rem}
.sector{padding-top:1.35rem;border-top:1px solid var(--line-hi)}
.sector__name{font-size:1.1rem;font-weight:700;margin-bottom:.6rem;letter-spacing:-.01em}
.sector__use{font-family:var(--f-mono);font-size:.78rem;line-height:1.7;color:var(--faint)}

/* ── engagement ────────────────────────────────────────── */
.engage__steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,15rem),1fr));gap:1px;background:var(--line);border:var(--rule);border-radius:5px;overflow:hidden}
.step{background:var(--card);padding:2.5rem 1.9rem}
.step__n{font-family:var(--f-mono);font-size:.78rem;letter-spacing:.16em;color:var(--copper);margin-bottom:2.2rem}
.step__title{font-size:1.22rem;margin-bottom:.9rem}
.step__body{font-size:.9rem;line-height:1.68}

/* ── about ─────────────────────────────────────────────── */
.about__cols{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:4rem}
.about__main{display:grid;gap:1.4rem}
.about__lead{font-size:clamp(1.2rem,1.05rem + .6vw,1.5rem);font-weight:500;line-height:1.45;letter-spacing:-.015em;color:var(--ink)}
.about__main p:not(.about__lead){line-height:1.78;max-width:64ch}
.about__side{border-left:2px solid var(--copper);padding-left:1.9rem;align-self:start}
.about__side-h{font-family:var(--f-mono);font-size:.72rem;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--copper);margin-bottom:1.4rem}
.principles{display:grid;gap:1.15rem}
.principles li{font-size:.9rem;line-height:1.65}
.principles strong{display:block;margin-bottom:.15rem;font-weight:700}
@media (max-width:900px){.about__cols{grid-template-columns:1fr;gap:2.75rem}}

/* ── posts (blog / research) ───────────────────────────── */
.posts{display:grid;gap:1px;background:var(--line);border:var(--rule);border-radius:5px;overflow:hidden}
.post{background:var(--card);padding:2.2rem 2rem;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:.6rem 2rem;align-items:start;transition:background .18s ease}
.post:hover{background:var(--sunk)}
.post__meta{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:.9rem;font-family:var(--f-mono);font-size:.7rem;letter-spacing:.06em;color:var(--faint)}
.post__tag{color:var(--copper)}
.post__title{font-size:1.22rem;letter-spacing:-.015em;grid-column:1}
.post__body{grid-column:1;font-size:.93rem;line-height:1.65;max-width:62ch}
.post__state{
  grid-column:2;grid-row:2;font-family:var(--f-mono);font-size:.68rem;
  color:var(--muted);border:1px solid var(--line-hi);border-radius:3px;
  padding:.3rem .6rem;white-space:nowrap;
}
@media (max-width:700px){
  .post{grid-template-columns:1fr}
  .post__state{grid-column:1;grid-row:auto;justify-self:start}
}

.empty{
  background:var(--card);border:1px dashed var(--line-hi);border-radius:5px;
  padding:3.5rem 2rem;text-align:center;
}
.empty__title{font-size:1.15rem;margin-bottom:.8rem}
.empty__body{font-size:.95rem;max-width:46ch;margin:0 auto 1.75rem}

/* ── contact ───────────────────────────────────────────── */
.contact{background:var(--card);border-top:var(--rule)}
.contact__inner{max-width:var(--maxw);margin:0 auto;padding:6.5rem var(--gutter)}
.contact__title{font-size:clamp(1.85rem,1.35rem + 2.3vw,3.2rem);margin:1.3rem 0 1.5rem;max-width:20ch}
.contact__body{max-width:54ch;font-size:1.04rem;line-height:1.75}
.contact__actions{display:flex;flex-wrap:wrap;gap:.85rem;margin-top:2.4rem}
.contact__loc{margin-top:3.25rem;padding-top:1.4rem;border-top:var(--rule);font-family:var(--f-mono);font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;color:var(--faint)}

/* ── footer ────────────────────────────────────────────── */
.foot{border-top:var(--rule);background:var(--sunk)}
.foot__inner{max-width:var(--maxw);margin:0 auto;padding:3.25rem var(--gutter) 2.5rem;display:grid;grid-template-columns:minmax(0,1.4fr) repeat(auto-fit,minmax(9rem,1fr));gap:2.5rem}
.foot__brand{font-weight:900;letter-spacing:-.02em;color:var(--ink);font-size:1.05rem;margin-bottom:.7rem}
.foot__note{font-size:.88rem;max-width:34ch;line-height:1.65}
.foot__h{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);margin-bottom:.9rem}
.foot__list{display:grid;gap:.55rem}
.foot__list a{font-size:.88rem;color:var(--body);transition:color .16s ease}
.foot__list a:hover{color:var(--copper)}
.foot__legal{
  max-width:var(--maxw);margin:0 auto;padding:1.3rem var(--gutter) 2.5rem;
  border-top:var(--rule);font-family:var(--f-mono);font-size:.72rem;color:var(--faint);
}

/* ── reveal on scroll ──────────────────────────────────────
   Hidden only when JavaScript is confirmed running. Without the
   .js class the content renders normally, so a script failure or
   a crawler never sees a blank page.
   ─────────────────────────────────────────────────────────── */
/* Resting states only. motion.js drives the transition with a spring,
   so a CSS transition here would fight it. */
.js .rv{opacity:0}
.js .rv.is-in{opacity:1}
@media (prefers-reduced-motion:reduce){.js .rv{opacity:1}}

/* nav condenses once past the fold */
.nav{transition:padding .22s ease, background-color .22s ease, box-shadow .22s ease}
.nav.is-scrolled{padding-top:.55rem;padding-bottom:.55rem;box-shadow:0 1px 0 var(--line),0 8px 28px -22px rgba(0,0,0,.9)}
.nav__brand,.nav__glyph{transition:transform .22s ease}
.nav.is-scrolled .nav__glyph{transform:scale(.9)}

/* pointer feedback targets need a compositor hint and no layout shift */
.cell,.track,.collab,.step,.sim-kpi,.post{will-change:auto;transition:background-color .18s ease}
.btn,.sim-tool,.sim-mode,.figure__play{transform-origin:center}

@media (prefers-reduced-motion:reduce){
  .nav,.nav__brand,.nav__glyph{transition:none}
}

/* ══════════════════════════════════════════════════════════
   Simulator workbench
   ══════════════════════════════════════════════════════════ */
.sim{
  display:grid;grid-template-columns:250px minmax(0,1fr) 250px;
  gap:1px;background:var(--line);border:var(--rule);border-radius:5px;
  overflow:hidden;margin-bottom:4rem;
}
.sim-side{background:var(--card);padding:1.1rem 1rem;display:flex;flex-direction:column;gap:1.35rem;min-width:0}
.sim-side__h{
  font-family:var(--f-mono);font-size:.68rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--faint);
}
.sim-main{background:var(--sunk);display:flex;flex-direction:column;min-width:0}

/* mode switch */
.sim-modes{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1px;background:var(--line-hi);border:1px solid var(--line-hi);border-radius:4px;overflow:hidden}
.sim-mode{
  background:var(--card);border:0;cursor:pointer;padding:.6rem .2rem;
  font-family:var(--f-mono);font-size:.68rem;color:var(--muted);
  transition:background .15s ease,color .15s ease;
}
.sim-mode:hover{background:var(--sunk);color:var(--ink)}
.sim-mode[aria-pressed="true"]{background:var(--copper);color:var(--on-copper)}

/* palette */
.sim-palette{display:flex;flex-direction:column;gap:1.1rem;overflow-y:auto;max-height:26rem}
.sim-pgroup__h{
  font-family:var(--f-mono);font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--faint);margin-bottom:.55rem;
}
.sim-pitems{display:grid;gap:.35rem}
.sim-pitem{
  display:grid;gap:.15rem;text-align:left;cursor:grab;
  background:var(--card);border:1px solid var(--line);border-radius:4px;
  padding:.5rem .6rem;transition:border-color .15s ease,background .15s ease,transform .1s ease;
  touch-action:none;
}
.sim-pitem:hover{border-color:var(--g-1q);background:var(--cryo-bg)}
.sim-pitem:active{cursor:grabbing;transform:scale(.98)}
.sim-pitem.is-node:hover{border-color:var(--copper);background:var(--copper-bg)}
.sim-pitem__l{font-family:var(--f-mono);font-size:.8rem;font-weight:600;color:var(--cryo)}
.sim-pitem.is-node .sim-pitem__l{color:var(--copper)}
.sim-pitem__d{font-size:.7rem;line-height:1.4;color:var(--muted)}

.sim-ghost{
  position:fixed;z-index:999;pointer-events:none;transform:translate(-50%,-50%);
  background:var(--copper);color:var(--on-copper);font-family:var(--f-mono);font-size:.72rem;
  padding:.4rem .7rem;border-radius:3px;box-shadow:0 6px 18px -6px rgba(0,0,0,.6);
}

/* controls */
.sim-ctls{display:grid;gap:.9rem;margin-top:auto;padding-top:1rem;border-top:var(--rule)}
.sim-field{display:grid;gap:.4rem;margin-bottom:.8rem}
.sim-field span{font-family:var(--f-mono);font-size:.68rem;color:var(--muted);display:flex;justify-content:space-between;gap:.5rem}
.sim-field b{color:var(--cryo);font-weight:500}
.sim-field input[type=range]{width:100%;accent-color:var(--copper);cursor:pointer}

/* toolbar */
.sim-bar{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:.6rem .8rem;background:var(--card);border-bottom:var(--rule);flex-wrap:wrap;
}
.sim-bar__l,.sim-bar__r{display:flex;gap:.4rem}
.sim-tool{
  font-family:var(--f-mono);font-size:.7rem;color:var(--body);cursor:pointer;
  background:var(--card);border:1px solid var(--line-hi);border-radius:3px;padding:.42rem .75rem;
  transition:border-color .15s ease,background .15s ease,color .15s ease;
}
.sim-tool:hover{border-color:var(--copper);color:var(--copper)}
.sim-tool[aria-pressed="true"]{background:var(--copper);border-color:var(--copper);color:var(--on-copper)}
.sim-tool--sq{width:2rem;padding:.42rem 0;text-align:center}

/* canvas frame */
.sim-frame{position:relative;aspect-ratio:16/9;background:var(--sunk);overflow:hidden}
.sim-frame.is-dropping{outline:2px dashed var(--copper);outline-offset:-4px}
.sim-frame.is-linking{outline:2px solid var(--cryo);outline-offset:-4px}
#sheet{width:100%;height:100%;display:block;cursor:grab;touch-action:none}
#sheet.is-panning{cursor:grabbing}
.sim-hint{
  position:absolute;left:.8rem;bottom:.7rem;right:.8rem;
  font-family:var(--f-mono);font-size:.66rem;color:var(--faint);pointer-events:none;
}
.sim-hint.is-warn{color:var(--copper)}

/* canvas items */
.sim-wire{stroke:var(--line-hi);stroke-width:1.5}
.sim-qlabel{font-family:'IBM Plex Mono',monospace;font-size:12px;fill:var(--muted);text-anchor:end}
.sim-ket{font-family:'IBM Plex Mono',monospace;font-size:11px;fill:var(--faint)}
.sim-op{cursor:move}
.sim-box{fill:var(--card);stroke:var(--g-1q);stroke-width:1.5;transition:fill .15s ease}
.sim-op.is-param .sim-box{stroke:var(--g-rot)}
.sim-op:hover .sim-box{fill:var(--cryo-bg)}
.sim-op.is-param:hover .sim-box{fill:var(--rot-bg)}
.sim-op.is-sel .sim-box{fill:var(--cryo-bg);stroke-width:2.5}
.sim-op.is-param.is-sel .sim-box{fill:var(--rot-bg)}
.sim-glabel{font-family:'IBM Plex Mono',monospace;font-size:13px;font-weight:600;fill:var(--g-1q);text-anchor:middle;dominant-baseline:central;pointer-events:none}
.sim-op.is-param .sim-glabel{fill:var(--g-rot)}
.sim-theta{font-family:'IBM Plex Mono',monospace;font-size:9px;fill:var(--faint);text-anchor:middle;pointer-events:none}
.sim-ctrl{fill:var(--g-2q)}
.sim-link{stroke:var(--g-2q);stroke-width:1.6}
.sim-targ{fill:var(--sunk);stroke:var(--g-2q);stroke-width:1.6}
.sim-hit{fill:transparent}
.sim-op.is-sel .sim-ctrl,.sim-op.is-sel .sim-targ{stroke:var(--copper)}
.sim-op.is-sel .sim-ctrl{fill:var(--copper)}
.sim-op.is-sel .sim-link{stroke:var(--copper);stroke-width:2.4}

.sim-fibre{stroke:var(--line-hi);stroke-width:3;stroke-linecap:round}
.sim-kmbg{fill:var(--card);stroke:var(--line);stroke-width:1}
.sim-km{font-family:'IBM Plex Mono',monospace;font-size:10px;fill:var(--muted);text-anchor:middle}
.sim-node{cursor:move}
.sim-nbody{fill:var(--card);stroke:var(--cryo);stroke-width:1.8;transition:fill .15s ease}
.sim-node.is-repeater .sim-nbody{stroke:var(--muted)}
.sim-node.is-qpu .sim-nbody{stroke:var(--copper)}
.sim-node:hover .sim-nbody{fill:var(--cryo-bg)}
.sim-node.is-qpu:hover .sim-nbody{fill:var(--copper-bg)}
.sim-node.is-sel .sim-nbody{stroke-width:3;fill:var(--cryo-bg)}
.sim-node.is-qpu.is-sel .sim-nbody{fill:var(--copper-bg)}
.sim-node.is-pending .sim-nbody{stroke:var(--copper);stroke-dasharray:5 3}
.sim-nlabel{font-family:'IBM Plex Mono',monospace;font-size:12px;font-weight:600;fill:var(--ink);text-anchor:middle;dominant-baseline:central;pointer-events:none}
.sim-nkind{font-family:'IBM Plex Mono',monospace;font-size:9px;fill:var(--faint);text-anchor:middle;pointer-events:none}

/* inspector */
.sim-inspector{display:grid;gap:.55rem;align-content:start}
.sim-ins-h{font-family:var(--f-mono);font-size:.8rem;font-weight:600;color:var(--ink);padding-bottom:.5rem;border-bottom:var(--rule)}
.sim-row{display:flex;justify-content:space-between;gap:.5rem;font-family:var(--f-mono);font-size:.7rem;color:var(--muted)}
.sim-row b{color:var(--ink);font-weight:500}
.sim-empty{font-size:.8rem;color:var(--faint);line-height:1.55}
.sim-btn{
  font-family:var(--f-mono);font-size:.7rem;cursor:pointer;margin-top:.4rem;
  background:var(--card);border:1px solid var(--line-hi);border-radius:3px;
  padding:.5rem .6rem;color:var(--body);transition:border-color .15s ease,color .15s ease;
}
.sim-btn:hover{border-color:var(--cryo);color:var(--cryo)}
.sim-btn--del:hover{border-color:#B4402F;color:#B4402F}

/* results */
.sim-results{margin-bottom:2rem}
.sim-kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,10.5rem),1fr));gap:1px;background:var(--line);border:var(--rule);border-radius:5px;overflow:hidden;margin-bottom:2.5rem}
.sim-kpi{background:var(--card);padding:1.2rem 1.1rem}
.sim-kpi__k{font-family:var(--f-mono);font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin-bottom:.55rem}
.sim-kpi__v{font-size:1.35rem;font-weight:900;letter-spacing:-.02em;color:var(--ink);line-height:1.15}
.sim-kpi__n{font-family:var(--f-mono);font-size:.65rem;color:var(--muted);margin-top:.45rem;line-height:1.45}
.sim-plot{background:var(--card);border:var(--rule);border-radius:5px;padding:1.3rem 1.2rem;margin-bottom:1.5rem}
.sim-plot__h{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:1rem}
.sim-plot__n{font-family:var(--f-mono);font-size:.68rem;line-height:1.6;color:var(--faint);margin-top:.9rem}
.sim-chart{display:block;width:100%;height:auto;overflow:visible}
.ch-grid{stroke:var(--line);stroke-width:1}
.ch-ax{font-family:'IBM Plex Mono',monospace;font-size:9px;fill:var(--faint)}
.ch-lab{font-family:'IBM Plex Mono',monospace;font-size:8px;fill:var(--faint)}
.ch-bar{fill:var(--cryo);transition:fill .15s ease}
.ch-bar:hover{fill:var(--copper)}
.ch-line{fill:none;stroke-width:2;stroke-linejoin:round}
.ch-line--0{stroke:var(--cryo)}
.ch-line--1{stroke:var(--copper)}
.ch-key{display:inline-block;width:14px;height:2px;vertical-align:middle;margin:0 .35rem 0 .8rem}
.ch-key--0{background:var(--cryo)}
.ch-key--1{background:var(--copper)}
.sim-caveat{
  margin-top:2rem;padding:1.2rem 1.3rem;background:var(--copper-bg);
  border-left:2px solid var(--copper);border-radius:0 4px 4px 0;
  font-size:.9rem;line-height:1.7;color:var(--body);
}

@media (max-width:1100px){
  .sim{grid-template-columns:1fr}
  .sim-side--right{order:3}
  .sim-palette{max-height:none;flex-direction:row;flex-wrap:wrap;gap:1.5rem}
  .sim-pgroup{flex:1 1 12rem}
  .sim-ctls{margin-top:0}
}

/* ── send-setup button ─────────────────────────────────── */
.sim-tool--go{border-color:var(--copper);color:var(--copper)}
.sim-tool--go:hover{background:var(--copper);color:var(--on-copper);border-color:var(--copper)}

/* ── collaborators ─────────────────────────────────────── */
.collabs{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,20rem),1fr));gap:1px;background:var(--line);border:var(--rule);border-radius:5px;overflow:hidden}
.collab{
  display:grid;grid-template-columns:auto minmax(0,1fr);gap:.35rem 1.15rem;
  background:var(--card);padding:1.9rem 1.7rem;transition:background .18s ease;
}
.collab:hover{background:var(--raise)}
.collab__mark{
  grid-row:1/4;width:52px;height:52px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line-hi);border-radius:5px;
  font-family:var(--f-mono);font-size:.95rem;font-weight:600;color:var(--copper);
  transition:border-color .18s ease;
}
.collab:hover .collab__mark{border-color:var(--copper)}
.collab__name{font-size:1.12rem;font-weight:700;letter-spacing:-.01em}
.collab__role{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.06em;color:var(--faint)}
.collab__body{font-size:.9rem;line-height:1.62;color:var(--body);margin-top:.5rem}
.collab__go{
  grid-column:2;font-family:var(--f-mono);font-size:.72rem;color:var(--cryo);
  margin-top:.9rem;transition:color .18s ease;
}
.collab:hover .collab__go{color:var(--cryo-hi)}

/* utility classes replacing inline style attributes, so CSP can
   forbid 'unsafe-inline' on style-src */
.cell__cta{margin-top:1.6rem}
.mb-xl{margin-bottom:2.75rem}
.circuit .sub{font-size:9px;fill:var(--faint)}

/* ══════════════════════════════════════════════════════════
   Community + forms
   ══════════════════════════════════════════════════════════ */
.track{display:grid;grid-template-columns:auto minmax(0,1fr);gap:.4rem 1.3rem;background:var(--card);padding:2rem 1.8rem}
.track__n{
  grid-row:1/4;width:46px;height:46px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line-hi);border-radius:5px;font-family:var(--f-mono);
  font-size:.78rem;font-weight:600;color:var(--copper);
}
.track__name{font-size:1.1rem;font-weight:700;letter-spacing:-.01em}
.track__meta{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.06em;color:var(--faint)}
.track__body{font-size:.9rem;line-height:1.62;margin-top:.5rem}
.track__tags{grid-column:2;display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.9rem}
.track__tags li{font-family:var(--f-mono);font-size:.66rem;color:var(--cryo);border:1px solid var(--line);padding:.28rem .55rem;border-radius:3px}

/* form */
.form{background:var(--card);border:var(--rule);border-radius:5px;padding:2.4rem 2.2rem;max-width:46rem}
.form__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,14rem),1fr));gap:1.4rem}
.field{display:grid;gap:.45rem}
.field--wide{grid-column:1/-1}
.field label,.field legend{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.field .req{color:var(--copper)}
.field input[type=text],.field input[type=email],.field select,.field textarea{
  font-family:var(--f-display);font-size:.95rem;color:var(--ink);
  background:var(--sunk);border:1px solid var(--line-hi);border-radius:3px;
  padding:.7rem .8rem;width:100%;transition:border-color .15s ease,background .15s ease;
}
.field textarea{min-height:6.5rem;resize:vertical;line-height:1.6}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--copper);outline:none;background:var(--card)}
.field__hint{font-size:.76rem;color:var(--faint);line-height:1.5}
.field__err{font-family:var(--f-mono);font-size:.72rem;color:#E4796A;display:none}
.field.is-bad input,.field.is-bad select,.field.is-bad textarea,.field.is-bad .checks{border-color:#E4796A}
.field.is-bad .field__err{display:block}

fieldset{border:0;padding:0;margin:0;display:grid;gap:.45rem}
.checks{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,13rem),1fr));gap:.55rem;border:1px solid transparent;border-radius:3px}
.check{display:flex;gap:.6rem;align-items:flex-start;font-size:.88rem;line-height:1.45;color:var(--body);cursor:pointer}
.check input{accent-color:var(--copper);margin-top:.18rem;flex:0 0 auto;width:15px;height:15px}
.consent{display:grid;gap:.8rem;margin-top:1.8rem;padding-top:1.6rem;border-top:var(--rule)}
.consent .check{font-size:.85rem;color:var(--muted)}
.consent a{color:var(--cryo);text-decoration:underline;text-underline-offset:2px}
.form__actions{display:flex;flex-wrap:wrap;gap:.9rem;align-items:center;margin-top:1.9rem}
.form__note{font-family:var(--f-mono);font-size:.7rem;color:var(--faint);line-height:1.6}
.form__status{margin-top:1.2rem;font-size:.9rem;line-height:1.6;display:none}
.form__status.is-on{display:block}
.form__status.is-ok{color:var(--cryo)}
.form__status.is-err{color:#E4796A}
.form-done{background:var(--card);border:1px solid var(--copper);border-radius:5px;padding:2.6rem 2.2rem;max-width:46rem}
.form-done h3{font-size:1.3rem;margin-bottom:.9rem}
.form-done p{line-height:1.7;margin-bottom:1.2rem}

/* data table */
.datatab{width:100%;border-collapse:collapse;font-size:.88rem}
.datatab th,.datatab td{text-align:left;padding:.85rem 1rem;border-bottom:var(--rule);vertical-align:top}
.datatab th{font-family:var(--f-mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);font-weight:400}
.datatab td:first-child{color:var(--ink);white-space:nowrap}
.tabwrap{overflow-x:auto;background:var(--card);border:var(--rule);border-radius:5px}

/* prose (privacy) */
.prose{max-width:64ch;display:grid;gap:1.15rem}
.prose h2{font-size:1.25rem;margin-top:1.6rem}
.prose p,.prose li{line-height:1.75}
.prose ul{display:grid;gap:.6rem;padding-left:1.2rem;list-style:disc}
.prose a{color:var(--cryo);text-decoration:underline;text-underline-offset:2px}

/* ── touch targets ─────────────────────────────────────────
   Interactive elements need a 44px hit area. Padding grows the
   hit box while the nav's own padding shrinks to compensate, so
   the bar keeps its height and the layout does not move.
   ─────────────────────────────────────────────────────────── */
@media (min-width:1021px){
  .nav{padding-top:.35rem;padding-bottom:.35rem}
  .nav.is-scrolled{padding-top:.2rem;padding-bottom:.2rem}
  .nav__menu > a,.nav__group-btn{padding-top:.72rem;padding-bottom:.72rem}
  .nav__cta{padding-top:.72rem;padding-bottom:.72rem}
  .nav__brand{padding-top:.5rem;padding-bottom:.5rem}
  .nav__dropdown{top:calc(100% + .35rem)}
}
/* min-height is deterministic where padding maths depends on
   inherited line-height */
.figure__play,.sim-tool,.sim-mode,.sim-btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center}
.nav__group-btn{min-height:44px}
.foot__list{gap:0}
.foot__list a{display:inline-flex;align-items:center;min-height:44px}
.foot__legal a{display:inline-flex;align-items:center;min-height:44px;padding:0 .3rem;margin-left:.3rem}
.check input{width:20px;height:20px}
.check{min-height:32px;align-items:center}

/* ── simulator: expanded controls, context, new plots ────── */
.sim-ctls__h{font-family:var(--f-mono);font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:var(--copper);margin:.9rem 0 .55rem}
.sim-ctls__h:first-child{margin-top:0}
.sim-ctls{max-height:26rem;overflow-y:auto;padding-right:.4rem}
.sim-context{font-family:var(--f-mono);font-size:.7rem;color:var(--cryo);padding:.5rem .8rem;background:var(--cryo-bg);border-bottom:var(--rule)}
.sim-frame.is-cutting{outline:2px solid var(--g-rot);outline-offset:-4px}
.sim-cut{fill:none;stroke:var(--g-rot);stroke-width:2;stroke-dasharray:6 4}
.sim-nsub{font-family:'IBM Plex Mono',monospace;font-size:9px;fill:var(--cryo);text-anchor:middle;pointer-events:none}
.sim-btn--go{border-color:var(--copper);color:var(--copper)}
.sim-btn--go:hover{background:var(--copper);color:var(--on-copper)}
.sim-kpi.is-good .sim-kpi__v{color:var(--g-1q)}
.sim-kpi.is-warn .sim-kpi__v{color:var(--g-rot)}
.sim-kpi.is-bad .sim-kpi__v{color:#E4796A}
.ch-bar--alt{fill:var(--copper)}
.bl-sphere{fill:none;stroke:var(--line-hi);stroke-width:1}
.bl-axis{stroke:var(--line);stroke-width:1}
.bl-vec{stroke:var(--copper);stroke-width:2}
.bl-tip{fill:var(--copper-hi)}

/* [hidden] is display:none in the UA sheet, but any explicit display
   rule outranks it. The touch-target pass gave .sim-tool inline-flex,
   which silently un-hid the network buttons in Circuit mode. */
[hidden]{display:none !important}