/* AEGIS showcase — Dark Instrument doctrine:
   opaque tiers · one cyan · 3 semantic states · static type · motion ≤200ms functional only */
:root{
  --bg:#0A0E14; --panel:#111721; --raised:#161E2B; --line:#1E2A3A; --line-soft:#182230;
  --cyan:#55C8EF; --cyan-dim:#2B5D72; --amber:#E8B44F; --red:#E85F5F;
  --text:#D7E3EE; --muted:#8AA0B4; --faint:#7A90A4;
  --sans:"IBM Plex Sans",-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Consolas,monospace;
  /* type scale (declared, Dark Instrument doctrine) */
  --fs-display:clamp(28px,4.6vw,40px); --fs-h2:24px; --fs-body:15px; --fs-small:12.5px; --fs-micro:11px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:15px;line-height:1.55}
body::before{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.3;
  background-image:linear-gradient(var(--line-soft) 1px,transparent 1px),linear-gradient(90deg,var(--line-soft) 1px,transparent 1px);
  background-size:44px 44px}
a{color:var(--cyan);text-decoration:none}
a:hover{text-decoration:underline}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
code{font-family:var(--mono);font-size:.88em;color:var(--muted);background:var(--raised);padding:1px 5px;border-radius:3px}

/* ---- top bar ---- */
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:18px;
  padding:10px 22px;background:var(--panel);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:baseline;gap:9px;color:var(--text)}
.brand:hover{text-decoration:none}
.brand-mark{width:11px;height:11px;background:var(--cyan);align-self:center;
  clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%)}
.brand-name{font-weight:600;letter-spacing:.16em;font-size:13.5px}
.brand-sub{font-family:var(--mono);font-size:10.5px;color:var(--faint)}
.nav{display:flex;gap:4px;margin-left:auto;flex-wrap:wrap}
.nav a{font-family:var(--mono);font-size:10.5px;letter-spacing:.04em;color:var(--faint);
  padding:5px 8px;border-radius:3px;transition:color .15s,background .15s}
.nav a:hover{color:var(--cyan);text-decoration:none}
.nav a.active{color:var(--cyan);background:var(--raised)}
.topcta{font-size:12.5px;padding:7px 13px;border:1px solid var(--cyan-dim);border-radius:3px;color:var(--cyan);white-space:nowrap}
.topcta:hover{background:var(--cyan);color:#04121A;text-decoration:none}

/* ---- hero ---- */
.hero{position:relative;z-index:1;display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center;
  max-width:1280px;margin:0 auto;padding:72px 24px 56px}
.kicker{font-family:var(--mono);font-size:11.5px;letter-spacing:.2em;color:var(--cyan);margin:0 0 18px}
.hero h1{font-size:clamp(30px,4.4vw,40px);font-weight:600;line-height:1.05;letter-spacing:-.015em;margin:0 0 20px}
.hero-h1-sub{display:block;font-size:clamp(18px,2.4vw,26px);font-weight:400;color:var(--muted);letter-spacing:.02em;margin-top:10px}
.hero-sub{font-size:16.5px;color:var(--muted);max-width:60ch;margin:0 0 18px}
.hero-chain{font-size:12.5px;letter-spacing:.14em;color:var(--cyan);margin:0 0 30px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:26px}
.btn{font-size:14px;padding:12px 20px;border-radius:3px;transition:background .15s,border-color .15s,color .15s}
.btn-p{background:var(--cyan);color:#04121A;font-weight:600}
.btn-p:hover{background:#7AD6F5;text-decoration:none}
.btn-s{border:1px solid var(--line);color:var(--text)}
.btn-s:hover{border-color:var(--cyan-dim);color:var(--cyan);text-decoration:none}
.prov-note{font-size:12.5px;color:var(--faint);max-width:62ch;display:flex;gap:8px;align-items:flex-start;flex-wrap:wrap}
.prov-chip{display:inline-block;padding:1px 7px;border:1px solid var(--line);border-radius:3px;
  font-family:var(--mono);font-size:10px;letter-spacing:.08em;flex:none}
.prov-sim{color:var(--amber);border-color:#4A3A20}
.prov-src{color:var(--muted);border-color:var(--line)}
.hero-glyph svg{width:190px;height:auto;display:block}
@media (max-width:900px){.hero{grid-template-columns:1fr;padding-top:40px}.hero-glyph{display:none}}

/* ---- sections ---- */
.section{position:relative;z-index:1;max-width:1280px;margin:0 auto;padding:52px 24px;
  border-top:1px solid var(--line-soft)}
.section:first-of-type{border-top:0}
.section-compact{padding-bottom:60px}
.section-idx{font-size:11px;letter-spacing:.16em;color:var(--cyan);display:block;margin-bottom:12px}
.section-head h2{font-size:clamp(24px,3vw,32px);font-weight:600;letter-spacing:-.01em;margin:0 0 12px;max-width:24ch}
.section-lede{font-size:15.5px;color:var(--muted);max-width:74ch;margin:0 0 28px}

/* ---- cards ---- */
.cards{display:grid;gap:14px}
.cards-3{grid-template-columns:repeat(3,1fr)}
.cards-4{grid-template-columns:repeat(4,1fr);margin-top:14px}
@media (max-width:1020px){.cards-3{grid-template-columns:1fr}.cards-4{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.cards-4{grid-template-columns:1fr}}
.card{background:var(--panel);border:1px solid var(--line);padding:18px 20px}
.card h3{font-size:15px;font-weight:600;margin:0 0 8px}
.card h4{font-family:var(--mono);font-size:12.5px;font-weight:600;color:var(--cyan);margin:0 0 6px}
.card p{font-size:13.5px;color:var(--muted);margin:0}
.card.mini{background:var(--raised)}
.chip{display:inline-block;font-family:var(--mono);font-size:10px;letter-spacing:.1em;
  padding:2px 8px;border-radius:3px;margin-bottom:10px}
.chip-avoid{color:var(--red);border:1px solid #4A2626}
.chip-select{color:var(--cyan);border:1px solid var(--cyan-dim)}
.chip-verify{color:var(--amber);border:1px solid #4A3A20}
.quote{font-size:15px;color:var(--text)}
.fineprint{font-size:12.5px;color:var(--faint)}
.failsafe{background:var(--raised);border:1px solid var(--line);border-left:3px solid var(--cyan);
  padding:14px 18px;font-size:14px;color:var(--text);max-width:none;margin-top:16px}

/* ---- mission loop ---- */
.loop-frame{background:var(--panel);border:1px solid var(--line);padding:18px}
.loop-frame svg{display:block;width:100%;height:auto}

/* ---- sim ---- */
.prov-band{display:flex;gap:10px;align-items:flex-start;flex-wrap:wrap;background:var(--raised);
  border:1px solid var(--line);padding:10px 14px;font-size:13px;color:var(--muted);margin-bottom:14px}
.sim-frame{border:1px solid var(--line);background:var(--panel)}
.sim-frame iframe{display:block;width:100%;height:min(78vh,760px);border:0}
.sim-poster{display:none}
.sim-note{font-size:13px;margin-top:10px}
.subsim{margin-top:16px;background:var(--raised);border:1px solid var(--line);padding:18px 20px}
.subsim-text h3{font-size:15px;font-weight:600;margin:0 0 8px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.subsim-text p{font-size:13.5px;color:var(--muted);margin:0 0 6px;max-width:88ch}
.subsim-text p:last-child{margin-bottom:0}
/* mobile: iframe replaced by poster card (D6) */
@media (max-width:768px){
  .sim-frame{display:none}
  .sim-poster{display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;
    background:var(--panel);border:1px solid var(--line);padding:36px 20px}
  .sim-poster svg{width:110px;height:auto}
  .sim-poster p{font-size:13.5px;color:var(--muted);max-width:38ch;margin:0}
  .sim-poster .btn{font-size:13px;padding:10px 18px}
}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}

/* ---- tables ---- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);background:var(--panel)}
.spec-table{width:100%;border-collapse:collapse;font-size:13.5px;min-width:520px}
.spec-table th{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;color:var(--faint);
  text-align:left;padding:10px 14px;border-bottom:1px solid var(--line)}
.spec-table td{padding:11px 14px;border-bottom:1px solid var(--line-soft);vertical-align:top}
.spec-table tr:last-child td{border-bottom:0}
.spec-table td:first-child{font-family:var(--mono);font-size:12.5px;color:var(--cyan);white-space:nowrap}

/* ---- spec grid ---- */
.spec-grid{border:1px solid var(--line);background:var(--panel)}
.spec-row{display:grid;grid-template-columns:130px 1fr;gap:16px;padding:12px 18px;border-bottom:1px solid var(--line-soft)}
.spec-row:last-child{border-bottom:0}
.spec-k{font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--faint);text-transform:uppercase}
.spec-v{font-size:14px;color:var(--text)}
.sdk-note{margin-top:16px}
.sdk-note h3{font-size:15px;font-weight:600;margin:0 0 10px;display:flex;align-items:center;gap:8px}
.sdk-note .fineprint{max-width:88ch;margin:0 0 8px}

/* ---- other work ---- */
.work-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
@media (max-width:900px){.work-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.work-grid{grid-template-columns:1fr}}
.work-item{display:block;background:var(--panel);border:1px solid var(--line);padding:14px 16px;
  transition:border-color .15s}
.work-item:hover{border-color:var(--cyan-dim);text-decoration:none}
.work-item strong{display:block;font-size:14px;color:var(--text);margin-bottom:3px}
.work-item span{font-size:12.5px;color:var(--faint)}
.work-nolink{cursor:default}

/* ---- footer ---- */
.foot{position:relative;z-index:1;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
  padding:22px 24px;border-top:1px solid var(--line);font-size:12px;color:var(--faint)}
.foot-l{display:flex;flex-direction:column;gap:2px}
.foot-l strong{color:var(--muted);font-size:12.5px}
.foot-r{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.foot-label{font-family:var(--mono);font-size:10px;letter-spacing:.12em;color:var(--faint)}
.foot-r a{color:var(--muted)}
.foot-r a:hover{color:var(--cyan)}

/* ---- reveal (functional, ≤200ms) ---- */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .18s ease-out,transform .18s ease-out}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---- mobile ---- */
@media (max-width:1020px){
  .topbar{flex-wrap:wrap;gap:8px}
  .nav{order:3;width:100%;margin-left:0;overflow-x:auto}
  .topcta{margin-left:auto}
  .spec-row{grid-template-columns:1fr;gap:4px}
}

/* ---- showcase v1 additions ---- */
.sub-head{font-size:13.5px;font-weight:600;margin:36px 0 2px;letter-spacing:.02em;color:var(--text)}
.cards-2{grid-template-columns:repeat(2,1fr);margin-top:14px}
@media (max-width:1020px){.cards-2{grid-template-columns:1fr}}
.prov-sample{color:var(--cyan);border-color:var(--cyan-dim)}
.ext-panel{border:1px solid var(--line);background:var(--panel);padding:22px;display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.ext-panel .fineprint{max-width:74ch}
.qa-list,.gate-list{font-size:13.5px;color:var(--muted);padding-left:20px;margin:0;display:flex;flex-direction:column;gap:6px}
.qa-list li::marker{content:"Q" counter(list-item) "  ";color:var(--cyan);font-family:var(--mono);font-size:11px}
.gate-list li::marker{content:"✓  ";color:var(--cyan)}
.gate-list{list-style:none;padding-left:2px}
.flow-frame,.arch-frame{background:var(--panel);border:1px solid var(--line);padding:18px;margin-top:14px}
.flow-frame svg,.arch-frame svg{display:block;width:100%;height:auto}
.orb-scope{--orb:#F5B642}
.orb-scope .section-idx{color:var(--orb)}
.orb-scope .card h4{color:var(--orb)}
.orb-scope .chip-select{color:var(--orb);border-color:#5A4416}
.st-checked{color:var(--cyan)}
.st-alert{color:var(--amber)}
.st-uninspected{color:var(--red)}
.st-pending{color:var(--faint)}
.spec-table .st-checked,.spec-table .st-alert,.spec-table .st-uninspected,.spec-table .st-pending{
  font-family:var(--mono);font-size:11px;letter-spacing:.06em}