/* ============================================================
   SIAIOS.AI — siaios.css v1
   Ported from agenticspecialists asi.css v2 (Lane L decisive pass).
   Register: carbon + paper (OMEGABYTE family base) + a single
   SIGNAL GREEN reserved for live/verified status. Accent means
   something or it doesn't appear. Azonix = wordmark only.
   Flat color only · no gradients.
   2026-Jul-21
   ============================================================ */

@font-face{
  font-family:"Azonix";
  src:url("fonts/Azonix.otf") format("opentype");
  font-weight:normal;font-style:normal;font-display:swap;
}

:root{
  --carbon-950:#0A0C0E;
  --carbon-900:#0E1114;
  --carbon-850:#12161B;
  --carbon-800:#171C22;
  --carbon-line:rgba(199,205,214,.13);
  --paper:#F2F4F6;
  --paper-2:#E9ECF0;
  --paper-line:rgba(20,24,28,.14);
  --ink:#14181C;
  --steel:#8B95A0;
  --slate:#57616C;
  --signal:#4CC46E;
  --signal-deep:#2E8A4C;
  --signal-soft:rgba(76,196,110,.12);

  /* SIAIOS layer accents — derived from the family neutrals, no new hues.
     Atlas = permanence/memory (silver). Oculair = live/operating (steel-lit). */
  --atlas:#C7CDD6;
  --oculair:#7E8B99;

  --serif:"Source Serif 4",Georgia,serif;
  --grotesk:"Schibsted Grotesk",system-ui,-apple-system,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  --azonix:"Azonix",var(--grotesk);
  --measure:1160px;
  --pad:clamp(76px,10vw,132px);
}

*{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(--signal);color:var(--carbon-950)}
img,svg{max-width:100%;height:auto;display:block}
a{color:inherit}
:focus-visible{outline:2px solid var(--signal);outline-offset:3px}

.wrap{max-width:var(--measure);margin:0 auto;padding-left:clamp(20px,4vw,40px);padding-right:clamp(20px,4vw,40px)}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:12px;z-index:99;background:var(--paper);color:var(--ink);padding:10px 16px;font-family:var(--mono);font-size:.76rem}

/* ---------- type ---------- */
h1,h2,h3{font-family:var(--serif);font-weight:600;letter-spacing:-.01em}
h1{font-size:clamp(2.5rem,5.4vw,3.9rem);line-height:1.06;text-wrap:balance}
h2{font-size:clamp(1.9rem,4vw,2.9rem);line-height:1.12}
h3{font-size:clamp(1.18rem,2vw,1.4rem);line-height:1.3}
h1 em,h2 em{font-style:italic;font-weight:400;color:var(--steel)}
.on-light h1 em,.on-light h2 em{color:var(--slate)}
p.lede{font-size:clamp(1.05rem,1.6vw,1.28rem);line-height:1.55;color:var(--steel);max-width:34em}
.on-light p.lede{color:var(--slate)}
.mt{margin-top:26px}

.kicker{
  font-family:var(--mono);font-size:.74rem;font-weight:500;
  letter-spacing:.2em;text-transform:uppercase;color:var(--steel);
  display:flex;align-items:center;gap:14px;margin-bottom:26px;
}
.on-light .kicker{color:var(--slate)}
.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)}

.sig{color:var(--signal)}
.on-light .sig{color:var(--signal-deep)}
.dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--signal);margin-right:8px;vertical-align:1px}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}
.dot.live{animation:pulse 2.4s ease-in-out infinite}
@media(prefers-reduced-motion:reduce){.dot.live{animation:none}}

/* ---------- bands ---------- */
section{padding:var(--pad) 0;scroll-margin-top:78px}
.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(10,12,14,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--carbon-line)}
.nav-inner{max-width:var(--measure);margin:0 auto;padding:18px clamp(20px,4vw,40px);display:flex;align-items:center;gap:clamp(22px,3.4vw,40px);flex-wrap:nowrap}
.brand{display:flex;align-items:baseline;gap:14px;text-decoration:none;line-height:1;white-space:nowrap}
.brand b{font-family:var(--azonix);font-weight:normal;font-size:.92rem;letter-spacing:.12em;text-transform:uppercase}
.brand span{font-family:var(--mono);font-size:.58rem;letter-spacing:.18em;text-transform:uppercase;color:var(--steel)}
.nav-links{display:flex;gap:clamp(18px,2.4vw,28px);margin-left:auto;align-items:center}
.nav-links a{font-size:.9rem;font-weight:500;text-decoration:none;color:var(--steel);white-space:nowrap;padding:4px 0;border-bottom:1px solid transparent;transition:color .2s,border-color .2s}
.nav-links a:hover{color:var(--paper)}
.nav-cta{display:inline-flex;align-items:center;justify-content:center;font-size:.82rem;font-weight:700;text-decoration:none;white-space:nowrap;flex:none;color:var(--paper);background:transparent;line-height:1;letter-spacing:-.005em;padding:10px 16px;border:1px solid rgba(199,205,214,.35);transition:border-color .2s,background .2s,color .2s;cursor:pointer;font-family:var(--grotesk)}
.nav-cta:hover{border-color:var(--paper);background:var(--paper);color:var(--carbon-950)}
.nav-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--carbon-line);color:var(--paper);font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;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(--paper);color:var(--carbon-950);border-color:var(--paper)}
.btn-solid:hover{background:transparent;color:var(--paper)}
.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:rgba(199,205,214,.3)}
.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;margin-top:38px}

/* ---------- hero ---------- */
.hero{padding:clamp(84px,11vw,140px) 0 var(--pad)}
.hero-grid{display:grid;grid-template-columns:minmax(0,6.6fr) minmax(0,5.4fr);gap:clamp(36px,5vw,68px);align-items:center}
.hero .prov{margin-top:34px}

/* ---------- roster (hero proof panel) ---------- */
.roster{border:1px solid var(--carbon-line);background:var(--carbon-850)}
.roster-head{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid var(--carbon-line);font-family:var(--mono);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--steel)}
.roster-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:baseline;padding:15px 18px;border-bottom:1px solid var(--carbon-line)}
.roster-row:last-of-type{border-bottom:none}
.roster-row .who b{font-family:var(--mono);font-size:.82rem;letter-spacing:.1em;font-weight:500}
.roster-row .who span{display:block;font-size:.84rem;color:var(--steel);margin-top:2px}
.roster-row .st{font-family:var(--mono);font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;color:var(--signal);white-space:nowrap}
.roster-foot{padding:13px 18px;border-top:1px solid var(--carbon-line);font-family:var(--mono);font-size:.64rem;letter-spacing:.08em;text-transform:uppercase;color:var(--steel);line-height:1.7}

/* ---------- definition grid ---------- */
.defs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--carbon-line);border:1px solid var(--carbon-line)}
.def{background:var(--carbon-900);padding:28px 26px}
.band-deep .def{background:var(--carbon-950)}
.def .n{font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;color:var(--steel);text-transform:uppercase;display:block;margin-bottom:14px}
.def h3{font-size:1.08rem;margin-bottom:8px;font-family:var(--grotesk);font-weight:700}
.def p{font-size:.92rem;color:var(--steel);line-height:1.55}
.def:first-child .n{font-family:var(--serif);font-style:italic;font-size:1.1rem;color:var(--paper);letter-spacing:0;text-transform:none;margin-bottom:10px}

/* ---------- the two layers (Atlas / Oculair) ---------- */
.layers{display:grid;grid-template-columns:1fr 1fr;gap:clamp(18px,2.6vw,26px)}
.layer{border:1px solid var(--paper-line);background:var(--paper-2);display:flex;flex-direction:column}
.layer.atlas{border-top:2px solid var(--slate)}
.layer.oculair{border-top:2px solid var(--signal-deep)}
.layer-body{padding:clamp(24px,3.4vw,34px)}
.layer .role{font-family:var(--mono);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--slate);display:block;margin-bottom:12px}
.layer h3{font-family:var(--serif);font-size:clamp(1.4rem,2.4vw,1.8rem);margin-bottom:12px}
.layer p{color:var(--slate);font-size:.96rem}
.layer ul{list-style:none;margin-top:20px;border-top:1px solid var(--paper-line)}
.layer li{padding:11px 0;border-bottom:1px solid var(--paper-line);font-size:.9rem;color:var(--slate)}
.layer li:last-child{border-bottom:none}
.layer li b{font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink);display:block;margin-bottom:2px;font-weight:500}
.shot{border-top:1px solid var(--paper-line);background:var(--carbon-950);margin-top:auto}
.shot img{width:100%;display:block}
.shot figcaption{font-family:var(--mono);font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;color:var(--steel);padding:11px 16px;border-top:1px solid var(--carbon-line)}

/* ---------- receipt strip ---------- */
.receipt{border:1px solid var(--carbon-line);background:var(--carbon-950);font-family:var(--mono);font-size:.82rem;line-height:1.85;overflow:hidden}
.receipt-head{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:13px 20px;border-bottom:1px solid var(--carbon-line);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--steel)}
.receipt-body{padding:24px 20px;color:var(--steel);white-space:pre-wrap;word-break:break-word;overflow-x:auto}
.receipt-body b{color:var(--paper);font-weight:500}
.receipt-foot{padding:13px 20px;border-top:1px solid var(--carbon-line);font-size:.64rem;letter-spacing:.1em;text-transform:uppercase;color:var(--steel)}

/* ---------- 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);margin-top:clamp(28px,4vw,44px)}
.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}

/* ---------- agents ---------- */
.agent-lead{border:1px solid var(--carbon-line);border-top:2px solid var(--signal);background:var(--carbon-850);padding:clamp(28px,4vw,40px);margin-bottom:clamp(14px,2vw,22px);display:grid;grid-template-columns:auto minmax(0,1fr);gap:clamp(20px,4vw,44px);align-items:start}
.agent-lead .ord{font-family:var(--serif);font-size:clamp(2.4rem,5vw,3.4rem);line-height:1;color:var(--steel)}
.agent-lead .role{font-family:var(--mono);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--steel);display:block;margin-bottom:10px}
.agent-lead h3{font-family:var(--serif);font-size:clamp(1.5rem,2.6vw,1.9rem);margin-bottom:10px}
.agent-lead p{color:var(--steel);font-size:1rem;max-width:52em}
.agent-lead .truth{display:inline-block;margin-top:16px;font-family:var(--mono);font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;color:var(--signal)}
.gallery{display:grid;grid-template-columns:1fr 1fr;gap:clamp(14px,2vw,22px)}
.gallery .agent:last-child:nth-child(odd){grid-column:1/-1}
.agent{border:1px solid var(--carbon-line);background:var(--carbon-850);padding:26px 26px 22px;display:flex;flex-direction:column;gap:10px;transition:border-color .2s}
.agent:hover{border-color:rgba(199,205,214,.34)}
.agent:hover .role{color:var(--paper)}
.agent .role{font-family:var(--mono);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--steel)}
.agent h3{font-family:var(--serif);font-size:1.3rem}
.agent p{color:var(--steel);font-size:.95rem;flex:1}
.agent .truth{font-family:var(--mono);font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;color:var(--steel);border-top:1px solid var(--carbon-line);padding-top:12px}
.agent .truth.sig{color:var(--signal)}

/* ---------- method flow ---------- */
.flow{border-top:1px solid var(--paper-line)}
.flow-row{display:grid;grid-template-columns:170px minmax(0,1fr);gap:clamp(18px,4vw,56px);padding:22px 0;border-bottom:1px solid var(--paper-line);align-items:baseline}
.flow-row .ph{font-family:var(--mono);font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;font-weight:500}
.flow-row .ph small{display:block;font-size:.62rem;color:var(--slate);letter-spacing:.1em;margin-top:3px;font-weight:400}
.flow-row p{color:var(--slate);font-size:.95rem}

/* ---------- engagement rows ---------- */
.rows{border-top:1px solid var(--carbon-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)}
.row .fig{font-family:var(--mono);font-size:.85rem;color:var(--steel);padding-top:6px}
.row h3{margin-bottom:10px}
.row p{color:var(--steel);max-width:56em}
.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)}

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

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--paper-line);max-width:900px}
.faq details{border-bottom:1px solid var(--paper-line)}
.faq summary{list-style:none;cursor:pointer;padding:22px 0;display:flex;justify-content:space-between;align-items:baseline;gap:20px;font-family:var(--serif);font-size:clamp(1.05rem,2vw,1.25rem);font-weight:600}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);font-size:1.1rem;color:var(--slate);flex:none}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--slate);font-size:.96rem;padding-bottom:24px;max-width:60em}

/* ---------- Sally band ---------- */
.sally{border:1px solid var(--carbon-line);background:var(--carbon-850);padding:clamp(32px,5vw,60px);display:grid;grid-template-columns:minmax(0,1fr) auto;gap:clamp(28px,5vw,60px);align-items:center}
.sally-note{font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--steel);margin-top:18px;line-height:1.9}

/* ---------- footer ---------- */
.foot{background:var(--carbon-950);border-top:1px solid var(--carbon-line);padding:56px 0}
.foot-inner{display:flex;justify-content:space-between;align-items:flex-start;gap:32px;flex-wrap:wrap}
.foot .brand{margin-bottom:16px}
.foot-links{display:flex;gap:22px;flex-wrap:wrap}
.foot-links a{font-size:.88rem;color:var(--steel);text-decoration:none}
.foot-links a:hover{color:var(--paper)}
.foot-legal{font-family:var(--mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--steel);margin-top:20px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.foot-legal img{height:18px;width:auto;mix-blend-mode:screen}

/* ---------- 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}}

[hidden]{display:none!important}

/* ---------- responsive ---------- */
@media(max-width:920px){
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:var(--carbon-950);border-bottom:1px solid var(--carbon-line);flex-direction:column;align-items:flex-start;gap:0;padding:8px clamp(20px,4vw,40px) 22px}
  .nav-links.open{display:flex}
  .nav-links a{padding:13px 0;width:100%;border-bottom:1px solid var(--carbon-line)}
  .nav-links .nav-cta{margin-top:14px;width:100%;padding:14px 16px}
  .nav-toggle{display:inline-block}
}
@media(max-width:900px){
  .hero-grid,.layers,.gallery,.cols,.sally{grid-template-columns:1fr}
  .defs{grid-template-columns:1fr}
  .sticky-head{position:static}
  .agent-lead{grid-template-columns:1fr;gap:16px}
  .flow-row,.row{grid-template-columns:1fr;gap:10px}
}