/* ============================================================
   AGENTIC SPECIALISTS — asi.css
   OMEGABYTE family grammar · ASI carbon/paper/copper register
   Lane L rebuild · 2026-07-12 · no gradients, flat color only
   ============================================================ */

:root{
  --carbon-950:#0B0D0F;
  --carbon-900:#101418;
  --carbon-850:#131920;
  --carbon-800:#161C23;
  --carbon-line:rgba(200,205,214,.14);
  --paper:#F5F3ED;
  --paper-2:#ECE9E0;
  --paper-line:rgba(21,24,27,.14);
  --ink:#15181B;
  --steel:#97A0AB;      /* muted on dark */
  --slate:#5B646E;      /* muted on light */
  --copper:#C07C3B;     /* accent on dark */
  --copper-deep:#96601F;/* accent on light — 4.6:1 on paper */
  --copper-soft:rgba(192,124,59,.16);
  --serif:"Source Serif 4",Georgia,serif;
  --grotesk:"Schibsted Grotesk",system-ui,-apple-system,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  --measure:1160px;
  --pad:clamp(72px,10vw,128px);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  font-family:var(--grotesk);
  font-size:17px;line-height:1.65;
  background:var(--carbon-900);color:var(--paper);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
::selection{background:var(--copper);color:var(--carbon-950)}
img,svg{max-width:100%;height:auto;display:block}
a{color:inherit}

.wrap{max-width:var(--measure);margin:0 auto;padding-left:clamp(20px,4vw,40px);padding-right:clamp(20px,4vw,40px)}

/* ---------- type ---------- */
h1,h2,h3{font-family:var(--serif);font-weight:600;letter-spacing:-.01em}
h1{font-size:clamp(2.6rem,6.4vw,4.4rem);line-height:1.06}
h2{font-size:clamp(1.9rem,4vw,2.9rem);line-height:1.12}
h3{font-size:clamp(1.2rem,2vw,1.45rem);line-height:1.3}
h1 em,h2 em{font-style:italic;font-weight:400;color:var(--copper)}
.on-light h1 em,.on-light h2 em{color:var(--copper-deep)}
p.lede{font-size:clamp(1.05rem,1.6vw,1.3rem);line-height:1.55;color:var(--steel);max-width:34em}
.on-light p.lede{color:var(--slate)}

.kicker{
  font-family:var(--mono);font-size:.78rem;font-weight:500;
  letter-spacing:.18em;text-transform:uppercase;color:var(--copper);
  display:flex;align-items:center;gap:14px;margin-bottom:26px;
}
.on-light .kicker{color:var(--copper-deep)}
.kicker::after{content:"";flex:1;height:1px;background:var(--carbon-line)}
.on-light .kicker::after{background:var(--paper-line)}

.prov{font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;color:var(--steel);text-transform:uppercase}
.on-light .prov{color:var(--slate)}

/* ---------- bands ---------- */
section{padding:var(--pad) 0}
.band-dark{background:var(--carbon-900);color:var(--paper)}
.band-deep{background:var(--carbon-950);color:var(--paper)}
.band-light{background:var(--paper);color:var(--ink)}
.band-light2{background:var(--paper-2);color:var(--ink)}
.on-light{color:var(--ink)}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(11,13,15,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--carbon-line);
}
.nav-inner{max-width:var(--measure);margin:0 auto;
  padding:16px clamp(20px,4vw,40px);
  display:flex;align-items:center;gap:28px}
.brand{display:flex;flex-direction:column;text-decoration:none;line-height:1.2}
.brand b{font-family:var(--serif);font-weight:600;font-size:1.06rem;letter-spacing:.01em}
.brand span{font-family:var(--mono);font-size:.6rem;letter-spacing:.16em;text-transform:uppercase;color:var(--steel)}
.nav-links{display:flex;gap:26px;margin-left:auto;align-items:center}
.nav-links a{font-size:.92rem;font-weight:500;text-decoration:none;color:var(--steel);transition:color .2s}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--paper)}
.nav-cta{
  font-size:.9rem;font-weight:700;text-decoration:none;
  color:var(--carbon-950);background:var(--paper);
  padding:10px 20px;border:1px solid var(--paper);transition:background .2s,color .2s;
}
.nav-cta:hover{background:transparent;color:var(--paper)}
.nav-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--carbon-line);
  color:var(--paper);font-family:var(--mono);font-size:.75rem;letter-spacing:.12em;
  text-transform:uppercase;padding:9px 14px;cursor:pointer}

/* ---------- buttons ---------- */
.btn{display:inline-block;text-decoration:none;font-weight:700;font-size:1rem;
  padding:16px 30px;border:1px solid transparent;transition:all .2s;cursor:pointer;font-family:var(--grotesk)}
.btn-solid{background:var(--copper);color:var(--carbon-950);border-color:var(--copper)}
.btn-solid:hover{background:transparent;color:var(--copper)}
.on-light .btn-solid{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.on-light .btn-solid:hover{background:transparent;color:var(--ink)}
.btn-ghost{background:transparent;color:var(--paper);border-color:var(--carbon-line)}
.btn-ghost:hover{border-color:var(--paper)}
.on-light .btn-ghost{color:var(--ink);border-color:var(--paper-line)}
.on-light .btn-ghost:hover{border-color:var(--ink)}
.cta-row{display:flex;gap:16px;flex-wrap:wrap;align-items:center}

/* ---------- hero ---------- */
.hero{padding:clamp(84px,12vw,150px) 0 var(--pad)}
.hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(36px,6vw,80px);align-items:center}
.hero .prov{margin-top:34px}

/* ---------- row lists (fig number + content) ---------- */
.rows{border-top:1px solid var(--carbon-line)}
.on-light .rows{border-color:var(--paper-line)}
.row{display:grid;grid-template-columns:88px minmax(0,1fr);gap:clamp(18px,4vw,56px);
  padding:clamp(28px,4vw,44px) 0;border-bottom:1px solid var(--carbon-line)}
.on-light .row{border-color:var(--paper-line)}
.row .fig{font-family:var(--mono);font-size:.85rem;color:var(--copper);padding-top:6px}
.on-light .row .fig{color:var(--copper-deep)}
.row h3{margin-bottom:10px}
.row p{color:var(--steel);max-width:56em}
.on-light .row p{color:var(--slate)}
.row .tags{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px}
.tag{font-family:var(--mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;
  padding:5px 10px;border:1px solid var(--carbon-line);color:var(--steel)}
.on-light .tag{border-color:var(--paper-line);color:var(--slate)}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1px;background:var(--carbon-line);border:1px solid var(--carbon-line)}
.on-light .stats{background:var(--paper-line);border-color:var(--paper-line)}
.stat{background:var(--carbon-900);padding:30px 26px}
.band-deep .stat{background:var(--carbon-950)}
.on-light .stat{background:var(--paper)}
.stat b{font-family:var(--serif);font-weight:600;font-size:clamp(1.9rem,3.4vw,2.6rem);display:block;line-height:1.1}
.stat .lbl{font-size:.95rem;color:var(--steel);margin-top:6px;display:block}
.on-light .stat .lbl{color:var(--slate)}
.stat .prov{display:block;margin-top:14px;font-size:.62rem}

/* ---------- class labels (proof hygiene) ---------- */
.class{font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;
  display:inline-block;padding:5px 10px;margin-bottom:14px;border:1px solid var(--copper);color:var(--copper)}
.on-light .class{border-color:var(--copper-deep);color:var(--copper-deep)}
.class.dim{border-color:var(--carbon-line);color:var(--steel)}
.on-light .class.dim{border-color:var(--paper-line);color:var(--slate)}

/* ---------- schematic SVG ---------- */
.schematic{width:100%}
.schematic .ln{stroke:var(--carbon-line);stroke-width:1;fill:none}
.schematic .ln-hot{stroke:var(--copper);stroke-width:1.4;fill:none}
.schematic .node{fill:var(--carbon-800);stroke:var(--carbon-line);stroke-width:1}
.schematic .node-hot{fill:var(--carbon-800);stroke:var(--copper);stroke-width:1.4}
.schematic .dot{fill:var(--copper)}
.schematic text{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;fill:var(--steel);text-transform:uppercase}
.schematic .t-hot{fill:var(--copper)}
.on-light .schematic .ln{stroke:var(--paper-line)}
.on-light .schematic .node{fill:var(--paper-2);stroke:var(--paper-line)}
.on-light .schematic .node-hot{fill:var(--paper-2);stroke:var(--copper-deep)}
.on-light .schematic .ln-hot{stroke:var(--copper-deep)}
.on-light .schematic .dot{fill:var(--copper-deep)}
.on-light .schematic text{fill:var(--slate)}
.on-light .schematic .t-hot{fill:var(--copper-deep)}

.draw .ln,.draw .ln-hot{stroke-dasharray:600;stroke-dashoffset:600;animation:draw 1.4s ease forwards .3s}
@keyframes draw{to{stroke-dashoffset:0}}
@media(prefers-reduced-motion:reduce){.draw .ln,.draw .ln-hot{animation:none;stroke-dasharray:none;stroke-dashoffset:0}}

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

/* ---------- two-col editorial ---------- */
.cols{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(32px,6vw,80px);align-items:start}
.cols.rev{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
.sticky-head{position:sticky;top:110px}

/* ---------- boundary block ---------- */
.boundary{border:1px solid var(--carbon-line);padding:clamp(28px,4vw,48px);
  display:grid;grid-template-columns:1fr 1fr;gap:0}
.on-light .boundary{border-color:var(--paper-line)}
.boundary>div{padding:clamp(20px,3vw,36px)}
.boundary>div:first-child{border-right:1px solid var(--carbon-line)}
.on-light .boundary>div:first-child{border-color:var(--paper-line)}
.boundary .who{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--copper);margin-bottom:12px}
.on-light .boundary .who{color:var(--copper-deep)}

/* ---------- diagnostic ---------- */
.diag{max-width:760px;margin:0 auto}
.diag-progress{display:flex;gap:6px;margin-bottom:38px}
.diag-progress i{height:2px;flex:1;background:var(--carbon-line);transition:background .3s}
.diag-progress i.done{background:var(--copper)}
.diag-q h3{font-size:clamp(1.35rem,2.6vw,1.8rem);margin-bottom:26px;font-family:var(--serif)}
.diag-opt{display:block;width:100%;text-align:left;background:var(--carbon-850);
  border:1px solid var(--carbon-line);color:var(--paper);
  font-family:var(--grotesk);font-size:1rem;line-height:1.5;
  padding:18px 22px;margin-bottom:12px;cursor:pointer;transition:border-color .2s,background .2s}
.diag-opt:hover{border-color:var(--copper)}
.diag-opt.sel{border-color:var(--copper);background:var(--copper-soft)}
.diag-note{font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;color:var(--steel);text-transform:uppercase;margin-top:18px}
.diag-nav{display:flex;justify-content:space-between;margin-top:30px}
.diag-result{border:1px solid var(--copper);padding:clamp(26px,4vw,46px);scroll-margin-top:90px}
.diag-result h3{font-family:var(--serif);font-size:clamp(1.5rem,3vw,2.1rem);margin:8px 0 18px}
.diag-result .fld{margin-top:22px;padding-top:22px;border-top:1px solid var(--carbon-line)}
.diag-result .fld .prov{display:block;margin-bottom:8px;color:var(--copper)}
.diag-result p{color:var(--steel)}
[hidden]{display:none!important}

/* ---------- forms ---------- */
form.brief{max-width:640px}
form.brief label{display:block;font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--steel);margin:26px 0 8px}
.on-light form.brief label{color:var(--slate)}
form.brief input,form.brief select,form.brief textarea{
  width:100%;background:var(--carbon-850);border:1px solid var(--carbon-line);
  color:var(--paper);font-family:var(--grotesk);font-size:1rem;padding:14px 16px;border-radius:0;appearance:none}
form.brief input:focus,form.brief select:focus,form.brief textarea:focus{outline:none;border-color:var(--copper)}
form.brief textarea{min-height:140px;resize:vertical}
form.brief .btn{margin-top:32px}
form.brief .btn[disabled]{opacity:.55;cursor:not-allowed}
.form-note{font-size:.85rem;color:var(--steel);margin-top:16px;max-width:44em}
.hp-field{position:absolute;left:-9999px;top:-9999px;width:1px;height:1px;overflow:hidden}
.form-msg{font-size:.9rem;margin-top:20px;padding:14px 16px;border:1px solid var(--carbon-line);max-width:44em}
.form-msg.ok{border-color:var(--copper);color:var(--paper)}
.form-msg.err{border-color:#B4483A;color:var(--paper)}
.on-light .form-msg.ok{border-color:var(--copper-deep);color:var(--ink)}
.on-light .form-msg.err{border-color:#B4483A;color:var(--ink)}

/* ---------- footer ---------- */
footer{background:var(--carbon-950);border-top:1px solid var(--carbon-line);padding:clamp(48px,7vw,80px) 0}
.foot-grid{display:grid;grid-template-columns:minmax(0,2fr) repeat(3,minmax(0,1fr));gap:clamp(28px,4vw,56px)}
footer h4{font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--steel);margin-bottom:16px;font-weight:500}
footer a{display:block;text-decoration:none;color:var(--paper);font-size:.92rem;margin-bottom:10px;opacity:.85}
footer a:hover{opacity:1;color:var(--copper)}
footer .foot-brand p{color:var(--steel);font-size:.92rem;max-width:30em;margin-top:12px}
.foot-legal{margin-top:clamp(36px,5vw,60px);padding-top:26px;border-top:1px solid var(--carbon-line);
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-family:var(--mono);font-size:.68rem;letter-spacing:.06em;color:var(--steel);text-transform:uppercase}

/* ---------- utility ---------- */
.mt-1{margin-top:18px}.mt-2{margin-top:34px}.mt-3{margin-top:56px}
.center{text-align:center}
.maxw{max-width:44em}
.center .maxw{margin-left:auto;margin-right:auto}
.integr{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}

/* ============ MOBILE ============ */
@media(max-width:860px){
  body{font-size:16px}
  .nav-links{
    display:none;position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:flex-start;gap:0;
    background:var(--carbon-950);border-bottom:1px solid var(--carbon-line);
    padding:10px clamp(20px,4vw,40px) 24px}
  .nav-links.open{display:flex}
  .nav-links a{padding:13px 0;font-size:1.05rem;width:100%;border-bottom:1px solid var(--carbon-line)}
  .nav-links .nav-cta{margin-top:18px;text-align:center;width:100%;padding:14px;border-bottom:none}
  .nav-toggle{display:block}
  .hero{padding-top:64px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-grid .hero-art{order:2}
  .cols,.cols.rev{grid-template-columns:1fr}
  .sticky-head{position:static}
  .row{grid-template-columns:1fr;gap:10px}
  .row .fig{padding-top:0}
  .boundary{grid-template-columns:1fr}
  .boundary>div:first-child{border-right:none;border-bottom:1px solid var(--carbon-line)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .btn{width:100%;text-align:center}
  .cta-row{flex-direction:column;align-items:stretch}
  .stats{grid-template-columns:1fr 1fr}
}
@media(max-width:480px){
  .stats{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
}