:root{
  --bg:#080B13; --panel:#121927; --panel-2:#1A2233; --panel-3:#222C41;
  --rule:#232C40; --rule-2:#33405C;
  --ink:#EEF1F8; --ink-2:#C3CBDC; --muted:#8B96AE; --faint:#5D687F;
  --teal:#4FB6BD; --teal-deep:#1E5F66; --teal-wash:rgba(79,182,189,.10);
  --amber:#E9A63F; --amber-deep:#6B4A12; --amber-wash:rgba(233,166,63,.10);
  --s1:#C2871F; --s2:#3D8FD1;
  --rail:1160px;
}
*{box-sizing:border-box}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:Archivo,system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15px; line-height:1.6; -webkit-font-smoothing:antialiased;
}
img{max-width:100%}
.rail{max-width:var(--rail);margin:0 auto;padding:0 32px}
h1,h2,h3,h4{margin:0;text-wrap:balance}
p{margin:0}
a{color:inherit}
.serif{font-family:"Instrument Serif","Iowan Old Style",Georgia,serif;font-weight:400;letter-spacing:-.005em}
.mono{font-family:"IBM Plex Mono",ui-monospace,SFMono-Regular,monospace;font-variant-numeric:tabular-nums}
.eyebrow{font-family:"IBM Plex Mono",monospace;font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:var(--faint)}
.eyebrow b{color:var(--teal);font-weight:500}
.hr{height:1px;background:var(--rule);border:0;margin:0}

/* ---------- nav ---------- */
nav.site{position:sticky;top:0;z-index:50;background:rgba(8,11,19,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--rule)}
.navin{max-width:var(--rail);margin:0 auto;padding:0 32px;display:flex;align-items:center;gap:28px;height:88px}
.mark{display:flex;align-items:center;gap:9px;text-decoration:none;flex:none}
.mark .glyph{height:52px;width:auto;flex:none;display:block;object-fit:contain}
.mark span{font-family:"IBM Plex Mono",monospace;font-size:.82rem;letter-spacing:.16em;font-weight:500;color:var(--ink)}
.navlinks{display:flex;gap:2px;margin-left:auto;flex-wrap:wrap}
.navlinks a{font-size:.83rem;color:var(--muted);text-decoration:none;padding:7px 11px;border-radius:2px;letter-spacing:.01em}
.navlinks a:hover{color:var(--ink);background:var(--panel)}
.navlinks a.on{color:var(--ink);box-shadow:inset 0 -1px 0 var(--teal)}
.navcta{font-size:.83rem;text-decoration:none;padding:7px 14px;border:1px solid var(--rule-2);color:var(--ink);border-radius:2px;flex:none}
.navcta:hover{border-color:var(--teal);color:var(--teal)}
@media(max-width:900px){.navin{height:auto;padding:12px 20px;flex-wrap:wrap;gap:10px}.navlinks{width:100%;margin-left:0;order:3}.rail{padding:0 20px}}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--rule)}
#fringe{position:absolute;inset:0;width:100%;height:100%;opacity:.85;pointer-events:none}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,var(--bg) 8%,rgba(8,11,19,.86) 34%,rgba(8,11,19,.52) 62%,rgba(8,11,19,.28) 100%);pointer-events:none}
.heroin{position:relative;z-index:2;padding:104px 0 78px}
h1.big{font-size:clamp(2.9rem,6.4vw,4.9rem);line-height:1.02;margin:20px 0 0;letter-spacing:-.015em}
h1.big em{font-style:italic;color:var(--amber)}
h1.big.page{font-size:clamp(2.4rem,5vw,3.7rem);margin-top:18px}
.herosub{margin-top:24px;max-width:56ch;font-size:1.06rem;color:var(--ink-2);line-height:1.66}
.btns{display:flex;gap:12px;margin-top:34px;flex-wrap:wrap}
.btn{font-size:.88rem;text-decoration:none;padding:11px 20px;border-radius:2px;display:inline-flex;align-items:center;gap:9px;border:1px solid transparent}
.btn.p{background:var(--teal);color:#04191B;font-weight:600}
.btn.p:hover{background:#63C6CC}
.btn.s{border-color:var(--rule-2);color:var(--ink)}
.btn.s:hover{border-color:var(--amber);color:var(--amber)}
.btn.follow{margin-top:22px}
.btn.after-kpis{margin-top:26px}
.herometa{margin-top:46px;padding-top:18px;border-top:1px solid var(--rule);display:flex;gap:28px;flex-wrap:wrap;font-size:.78rem;color:var(--muted)}
.herometa .mono{color:var(--ink-2)}

/* ---------- sections ---------- */
section.band{padding:74px 0;border-bottom:1px solid var(--rule)}
section.band.tight{padding:54px 0}
section.band.pagehead{padding-top:70px}
.shead{display:flex;align-items:baseline;gap:16px;margin-bottom:30px;flex-wrap:wrap}
.shead.compact{margin-bottom:18px}
.shead h2{font-size:clamp(1.7rem,3.2vw,2.4rem);line-height:1.12;letter-spacing:-.01em}
.shead .eyebrow{flex:none;padding-top:6px}
h2.serif.sub{font-size:1.9rem;line-height:1.15;margin-bottom:16px}
.lead{max-width:62ch;color:var(--ink-2);font-size:1rem}
.lead + .lead{margin-top:14px}
.lead.gap{margin-bottom:24px}
.lead.gap-md{margin-bottom:26px}
.lead.gap-lg{margin-bottom:28px}

/* two-column split */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px}
@media(max-width:840px){.split{grid-template-columns:1fr;gap:30px}}

/* stage strip */
.stages{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--rule);border:1px solid var(--rule);margin-top:8px}
.stage{background:var(--panel);padding:24px 22px 22px;position:relative}
.stage .n{font-family:"IBM Plex Mono",monospace;font-size:.68rem;letter-spacing:.14em;color:var(--faint)}
.stage h3{font-size:1.05rem;margin:10px 0 6px}
.stage .phys{font-family:"IBM Plex Mono",monospace;font-size:.74rem;color:var(--muted);margin-bottom:12px}
.stage p{font-size:.86rem;color:var(--ink-2)}
.stage.here{background:var(--panel-2)}
.stage.t{box-shadow:inset 0 2px 0 var(--teal)}
.stage.a{box-shadow:inset 0 2px 0 var(--amber)}
.stage .badge{display:inline-block;margin-top:14px;font-family:"IBM Plex Mono",monospace;font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;padding:3px 8px;border-radius:2px}
.stage.t .badge{background:var(--teal-wash);color:var(--teal)}
.stage.a .badge{background:var(--amber-wash);color:var(--amber)}
@media(max-width:840px){.stages{grid-template-columns:1fr}}

/* engine cards */
.engines{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.engine{border:1px solid var(--rule);background:var(--panel);padding:30px 28px 26px;display:flex;flex-direction:column}
.engine.t{border-top:2px solid var(--teal)}
.engine.a{border-top:2px solid var(--amber)}
.engine .tag{font-family:"IBM Plex Mono",monospace;font-size:.66rem;letter-spacing:.14em;text-transform:uppercase}
.engine.t .tag{color:var(--teal)} .engine.a .tag{color:var(--amber)}
.engine h3{font-size:1.55rem;margin:12px 0 12px;line-height:1.15}
.engine p{color:var(--ink-2);font-size:.92rem}
.engine ul{list-style:none;margin:20px 0 0;padding:0;display:flex;flex-direction:column;gap:9px;font-size:.87rem;color:var(--ink-2)}
.engine ul li{padding-left:16px;position:relative}
.engine ul li::before{content:"";position:absolute;left:0;top:.62em;width:6px;height:1px;background:var(--rule-2)}
.engine .go{margin-top:auto;padding-top:24px;font-size:.85rem;text-decoration:none;display:inline-flex;gap:8px;align-items:center}
.engine.t .go{color:var(--teal)} .engine.a .go{color:var(--amber)}
@media(max-width:840px){.engines{grid-template-columns:1fr}}

/* figure pair / KPI */
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:1px;background:var(--rule);border:1px solid var(--rule)}
.kpis.stack{grid-template-columns:1fr}
.kpi{background:var(--panel);padding:22px 22px 20px}
.kpi .v{font-family:"Instrument Serif",Georgia,serif;font-size:2.5rem;line-height:1;letter-spacing:-.01em}
.kpi .v.sm{font-size:1.5rem}
.kpi .v small{font-size:1.45rem;color:var(--muted);font-family:Archivo,sans-serif;margin-left:2px}
.kpi .k{font-size:.85rem;color:var(--ink-2);margin-top:10px}
.kpi .k.hd{margin-top:0;color:var(--ink);font-weight:600}
.kpi .k.hd.lg{font-size:.95rem}

/* tables */
.tbl{width:100%;border-collapse:collapse;font-size:.87rem}
.tblwrap{overflow-x:auto;border:1px solid var(--rule);background:var(--panel)}
.tbl th,.tbl td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--rule);white-space:nowrap}
.tbl thead th{font-family:"IBM Plex Mono",monospace;font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);font-weight:500;background:var(--panel-2)}
.tbl tbody tr:last-child td{border-bottom:0}
.tbl td:first-child{color:var(--ink-2)}
.tbl .hi{color:var(--amber);font-weight:600}
.tbl .mono{color:var(--ink)}

/* product cards */
.prods{display:flex;flex-direction:column;gap:1px;background:var(--rule);border:1px solid var(--rule)}
.prod{background:var(--panel);padding:26px 28px;display:grid;grid-template-columns:132px minmax(0,1fr) 210px;gap:28px}
.prod .code{font-family:"IBM Plex Mono",monospace;font-size:.72rem;letter-spacing:.1em;color:var(--teal)}
.prod.a .code{color:var(--amber)}
.prod h3{font-size:1.12rem;margin-bottom:9px}
.prod p{font-size:.89rem;color:var(--ink-2)}
.prod .who{font-size:.82rem;color:var(--muted);margin-top:12px}
.prods.textonly .prod{display:block;padding:30px 32px}
.prods.textonly .prod h3{font-size:1.3rem;margin-bottom:11px}
.prods.textonly .prod p{max-width:74ch}
.spec{display:flex;flex-direction:column;gap:7px}
.spec div{display:flex;justify-content:space-between;gap:12px;font-size:.78rem;border-bottom:1px dotted var(--rule);padding-bottom:5px}
.spec dt,.spec .l{color:var(--faint);font-family:"IBM Plex Mono",monospace;letter-spacing:.04em}
.spec .r{color:var(--ink);font-family:"IBM Plex Mono",monospace;text-align:right}
@media(max-width:900px){.prod{grid-template-columns:1fr;gap:16px}}

/* pill row */
.pills{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.pills.flush{margin-top:0}
.pill{font-family:"IBM Plex Mono",monospace;font-size:.7rem;letter-spacing:.06em;padding:5px 10px;border:1px solid var(--rule-2);border-radius:2px;color:var(--muted)}
.pill.on{border-color:var(--teal);color:var(--teal)}
.pill.am{border-color:var(--amber);color:var(--amber)}
.pill.below{margin-top:10px}

/* claim blocks */
.claim{border:1px solid var(--rule);background:var(--panel);padding:34px 32px}
.claim.am{border-left:2px solid var(--amber)}
.claim.tl{border-left:2px solid var(--teal)}
.claim h3{font-size:1.7rem;line-height:1.15;margin-bottom:14px}
.claim p{color:var(--ink-2);max-width:60ch}
.claim .more{margin-top:14px}

/* applications */
.apps{display:flex;flex-direction:column;gap:1px;background:var(--rule);border:1px solid var(--rule)}
.app{background:var(--panel);padding:30px 30px;display:grid;grid-template-columns:180px minmax(0,1fr);gap:34px}
.app .scale{font-family:"Instrument Serif",Georgia,serif;font-size:2rem;line-height:1;color:var(--amber)}
.app .nm{font-size:1.1rem;font-weight:600;margin-top:10px}
.app .cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}
.app .cols h4{font-family:"IBM Plex Mono",monospace;font-size:.66rem;letter-spacing:.11em;text-transform:uppercase;color:var(--faint);margin-bottom:8px}
.app .cols p{font-size:.86rem;color:var(--ink-2)}
@media(max-width:900px){.app{grid-template-columns:1fr;gap:18px}.app .cols{grid-template-columns:1fr;gap:18px}}

/* form */
.form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.form .full{grid-column:1/-1}
label{display:block;font-family:"IBM Plex Mono",monospace;font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);margin-bottom:7px}
input,select,textarea{width:100%;background:var(--panel-2);border:1px solid var(--rule-2);color:var(--ink);padding:11px 13px;border-radius:2px;font-family:Archivo,sans-serif;font-size:.9rem}
input:focus,select:focus,textarea:focus{outline:2px solid var(--teal);outline-offset:1px;border-color:transparent}
textarea{min-height:120px;resize:vertical}
button.submit{background:var(--teal);color:#04191B;border:0;padding:12px 26px;font-family:Archivo,sans-serif;font-weight:600;font-size:.9rem;border-radius:2px;cursor:pointer}
button.submit:hover{background:#63C6CC}
button.submit:disabled{opacity:.65;cursor:not-allowed}
input.is-invalid,select.is-invalid,textarea.is-invalid{border-color:var(--amber)}
.field-msg{margin-top:6px;font-size:.78rem;color:var(--amber);line-height:1.4}
.form-status{margin-top:10px;font-size:.82rem;line-height:1.45;color:var(--muted)}
.form-status.ok{color:var(--teal)}
.form-status.err{color:var(--amber)}
@media(max-width:700px){.form{grid-template-columns:1fr}}

/* chart */
.chartbox{border:1px solid var(--rule);background:var(--panel);padding:22px 24px 18px}
.legend{display:flex;gap:20px;flex-wrap:wrap;margin-bottom:14px;font-size:.78rem;color:var(--ink-2)}
.legend i{display:inline-block;width:16px;height:2px;vertical-align:middle;margin-right:7px}
.legend i.s1{background:var(--s1)}
.legend i.s2{background:var(--s2)}
.charthint{font-family:"IBM Plex Mono",monospace;font-size:.68rem;color:var(--faint);margin-top:10px}
.charthint.gap{margin-top:16px}

/* footer */
footer.site{padding:56px 0 40px;background:var(--bg)}
.fgrid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:36px}
.fgrid h5{font-family:"IBM Plex Mono",monospace;font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin:0 0 12px;font-weight:500}
.fgrid a{display:block;font-size:.85rem;color:var(--muted);text-decoration:none;padding:3px 0}
.fgrid a:hover{color:var(--ink)}
.fbot{margin-top:40px;padding-top:20px;border-top:1px solid var(--rule);display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:.76rem;color:var(--faint)}
.fmeta{margin-top:28px;padding-top:22px;border-top:1px solid var(--rule);display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.fmeta h5{font-family:"IBM Plex Mono",monospace;font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin:0 0 8px;font-weight:500}
.fmeta p,.fmeta a{font-size:.82rem;color:var(--muted);line-height:1.55;margin:0;text-decoration:none}
.fmeta a:hover{color:var(--ink)}
.fmeta .mono{color:var(--ink-2);font-size:.78rem}
.mark.foot{margin-bottom:14px}
.ftag{font-size:.85rem;color:var(--muted);max-width:34ch}
@media(max-width:840px){.fgrid{grid-template-columns:1fr 1fr}.fmeta{grid-template-columns:1fr;gap:20px}}