/* AETHRYX AI — aethryxcore.com. Identity: Newsreader (serif display) + Satoshi (grotesque body); warm porcelain, jade-teal signal. */
@font-face{font-family:"Newsreader";src:url(../fonts/Newsreader-latin.woff2) format("woff2");font-weight:200 700;font-style:normal;font-display:swap}
@font-face{font-family:"Newsreader";src:url(../fonts/Newsreader-latin-italic.woff2) format("woff2");font-weight:200 700;font-style:italic;font-display:swap}
@font-face{font-family:"Satoshi";src:url(../fonts/Satoshi-400.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Satoshi";src:url(../fonts/Satoshi-500.woff2) format("woff2");font-weight:500;font-display:swap}

:root{
  --paper:#F0F1ED; --ink:#14181A; --coal:#0B0E0F;
  --teal:#0E9488; --teal-deep:#0A6E66; --teal-soft:rgba(14,148,136,.10);
  --jade:#2BC3B0; --ash:#59615F; --line:#DCDFD6; --card:#F7F8F3; --mist:#E6E9DF;
  --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font:400 17px/1.62 "Satoshi",ui-sans-serif,system-ui,sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
.wrap{max-width:1160px;margin:0 auto;padding:0 28px}
.lbl{font:500 11.5px/1.4 "Satoshi";letter-spacing:.2em;text-transform:uppercase;color:var(--ash)}
h1,h2,h3{font-family:"Newsreader",Georgia,serif;font-weight:430;letter-spacing:-.012em;line-height:1.04;color:var(--ink)}
h1{font-size:clamp(44px,6.6vw,84px);font-weight:400}
h2{font-size:clamp(30px,4.1vw,50px);line-height:1.06}
h3{font-size:21px;font-weight:500;letter-spacing:-.006em}
p{color:var(--ink)}
.lead{font-size:clamp(18px,2vw,21px);line-height:1.56;color:var(--ash);max-width:44ch}
.em{font-family:"Newsreader",serif;font-style:italic;font-weight:400;color:var(--teal-deep)}
.serif{font-family:"Newsreader",serif}

/* nav */
.nav{position:sticky;top:0;z-index:40;background:rgba(240,241,237,.84);backdrop-filter:saturate(1.2) blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{font-family:"Newsreader",serif;font-weight:500;font-size:24px;letter-spacing:-.01em;display:flex;align-items:center;gap:11px}
.brand .mk{width:20px;height:20px;position:relative;flex:none}
.navlinks{display:flex;gap:30px;align-items:center}
.navlinks a{font-size:14.5px;color:var(--ash);font-weight:500}
.navlinks a:hover{color:var(--ink)}
.btn{display:inline-flex;align-items:center;gap:8px;font:500 15px/1 "Satoshi";padding:13px 21px;border-radius:999px;border:1px solid var(--ink);background:var(--ink);color:var(--paper);transition:.18s;cursor:pointer}
.btn:hover{background:var(--teal-deep);border-color:var(--teal-deep)}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.btn.sm{padding:9px 16px;font-size:14px}

/* section scaffold */
section{padding:94px 0}
.eyebrow{display:inline-flex;align-items:center;gap:11px;margin-bottom:20px}
.eyebrow:before{content:"";width:22px;height:1px;background:var(--teal)}
.grid{display:grid;gap:24px}

/* hero */
.hero{padding:70px 0 58px;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;inset:0;background:radial-gradient(900px 440px at 78% 8%,var(--teal-soft),transparent 70%);pointer-events:none}
.hero .wrap{display:grid;grid-template-columns:1.04fr .96fr;gap:48px;align-items:center;position:relative}
.hero h1{max-width:12ch}
.hero .cta{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.statrow{display:flex;gap:34px;margin-top:42px;flex-wrap:wrap}
.statrow .n{font-family:"Newsreader",serif;font-weight:400;font-size:40px;color:var(--teal-deep);line-height:1}
.statrow .l{font:500 11px/1.45 "Satoshi";letter-spacing:.12em;text-transform:uppercase;color:var(--ash);margin-top:8px;max-width:17ch}

/* decision console (concept render) */
.console{border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:0 34px 70px -42px rgba(20,24,26,.55);overflow:hidden}
.console .bar{display:flex;align-items:center;gap:7px;padding:12px 15px;border-bottom:1px solid var(--line);background:var(--card)}
.console .bar i{width:9px;height:9px;border-radius:50%;background:var(--line)}
.console .tab{margin-left:10px;font:500 10.5px "Satoshi";letter-spacing:.14em;color:var(--ash);text-transform:uppercase}
.console .body{padding:18px}
.scen{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:14px}
.scen button{font:500 12px "Satoshi";padding:7px 12px;border:1px solid var(--line);border-radius:999px;background:var(--card);color:var(--ash);cursor:pointer;transition:.16s}
.scen button:hover{border-color:var(--ink);color:var(--ink)}
.scen button.on{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.learned{font:500 10px "Satoshi";letter-spacing:.12em;text-transform:uppercase;color:var(--ash);margin-bottom:8px}
.facts3{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:14px}
.fct{border:1px solid var(--line);border-radius:10px;padding:9px 10px;background:var(--card)}
.fct .k{font:500 9px "Satoshi";letter-spacing:.1em;text-transform:uppercase;color:var(--ash)}
.fct .v{font:500 13px "Satoshi";color:var(--ink);margin-top:3px}
.decide{border:1px solid var(--teal);border-radius:12px;background:var(--teal-soft);padding:13px 14px}
.decide .row{display:flex;align-items:center;justify-content:space-between;gap:12px}
.decide .act{font:500 15px "Satoshi";color:var(--ink)}
.verdict{font:500 10px "Satoshi";letter-spacing:.1em;text-transform:uppercase;padding:6px 11px;border-radius:999px;white-space:nowrap}
.verdict.ok{background:var(--teal);color:#fff}
.verdict.ask{background:#fff;color:var(--teal-deep);border:1px solid var(--teal)}
.decide .reason{font:400 13px/1.5 "Satoshi";color:var(--ash);margin-top:9px}
.permbar{display:flex;align-items:center;gap:10px;margin-top:12px}
.permbar .track{flex:1;height:7px;border-radius:999px;background:var(--mist);position:relative;overflow:hidden}
.permbar .fill{position:absolute;left:0;top:0;bottom:0;border-radius:999px;background:linear-gradient(90deg,var(--teal),var(--teal-deep));width:0;transition:width .7s cubic-bezier(.3,.8,.3,1)}
.permbar .cap{font:500 9.5px "Satoshi";letter-spacing:.08em;text-transform:uppercase;color:var(--ash);white-space:nowrap}
.logline{font:400 11px/1.5 "Satoshi";color:var(--ash);margin-top:12px;border-top:1px solid var(--line);padding-top:10px;display:flex;gap:8px;align-items:baseline}
.logline b{font-weight:500;color:var(--teal-deep)}
.demo__hint{font:500 10px "Satoshi";letter-spacing:.1em;text-transform:uppercase;color:var(--ash);margin-top:11px}

/* what it is */
.oneline{max-width:22ch}

/* capability cards */
.caps{grid-template-columns:repeat(4,1fr)}
.cap{border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;background:var(--card);position:relative}
.cap .k{font:500 11px "Satoshi";letter-spacing:.14em;text-transform:uppercase;color:var(--teal-deep);margin-bottom:14px;display:flex;align-items:center;gap:10px}
.cap .num{font-family:"Newsreader",serif;font-style:italic;font-size:15px;color:var(--ash)}
.cap h3{margin-bottom:9px}
.cap p{color:var(--ash);font-size:14.5px}
.cap.key{border-color:var(--teal);background:#fff}

/* pipeline */
.pipe{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:48px;counter-reset:s}
.step{position:relative;padding:24px 18px 20px;border-top:2px solid var(--line)}
.step:before{counter-increment:s;content:"0" counter(s);font-family:"Newsreader",serif;font-style:italic;font-size:15px;color:var(--teal-deep);position:absolute;top:-13px;left:18px;background:var(--paper);padding-right:9px}
.step.key{border-top-color:var(--teal)}
.step .sn{font-family:"Newsreader",serif;font-weight:500;font-size:20px;margin-bottom:7px}
.step p{font-size:13.5px;color:var(--ash);line-height:1.5}
.step .tag{margin-top:10px;font:500 9.5px "Satoshi";letter-spacing:.1em;text-transform:uppercase;color:var(--teal-deep)}
@media(max-width:860px){.pipe{grid-template-columns:repeat(2,1fr);gap:6px 18px}}

/* dark block */
.dark{background:var(--coal);color:var(--paper)}
.dark h1,.dark h2,.dark h3{color:var(--paper)}
.dark .lead,.dark p{color:rgba(240,241,237,.74)}
.dark .eyebrow:before{background:var(--jade)}
.dark .lbl{color:rgba(240,241,237,.6)}
.dark .em{color:var(--jade)}

/* permission boundary (signature) */
.boundary{position:relative;margin-top:36px;border:1.5px dashed rgba(43,195,176,.45);border-radius:20px;padding:30px 26px}
.boundary .btag{position:absolute;top:-11px;left:24px;background:var(--coal);padding:0 10px;font:500 10px "Satoshi";letter-spacing:.16em;text-transform:uppercase;color:var(--jade)}
.scope{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.scope .c{border:1px solid rgba(240,241,237,.14);border-radius:var(--radius);padding:22px;background:rgba(240,241,237,.04)}
.scope .c.key{border-color:rgba(43,195,176,.5)}
.scope .k{font-family:"Newsreader",serif;font-weight:500;font-size:19px;color:var(--paper);margin-bottom:9px}
.scope p{color:rgba(240,241,237,.72);font-size:14.5px}
.inside,.outside{display:inline-flex;align-items:center;gap:7px;font:500 10px "Satoshi";letter-spacing:.08em;text-transform:uppercase;padding:5px 11px;border-radius:999px;margin-top:14px}
.inside{color:var(--coal);background:var(--jade)}
.outside{color:var(--jade);border:1px solid rgba(43,195,176,.5)}

/* contrast matrix */
.vs{grid-template-columns:1fr 1fr;gap:20px}
.vs .col{border:1px solid var(--line);border-radius:var(--radius);padding:28px;background:var(--card)}
.vs .col.win{border-color:var(--teal);background:#fff}
.vs h3{margin-bottom:16px}
.vs li{list-style:none;padding:11px 0;border-top:1px solid var(--line);color:var(--ash);font-size:15px;display:flex;gap:11px}
.vs li:before{content:"—";color:var(--ash)}
.vs .win li:before{content:"→";color:var(--teal-deep);font-weight:700}
.vs .win li{color:var(--ink)}

/* nvidia tech */
.tech{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:34px}
.tcard{border:1px solid rgba(240,241,237,.16);border-radius:var(--radius);padding:24px;background:rgba(240,241,237,.04)}
.tcard .k{font:500 11px "Satoshi";letter-spacing:.14em;text-transform:uppercase;color:var(--jade);margin-bottom:11px}
.tcard.next{border-color:rgba(43,195,176,.4)}
.tcard h3{color:var(--paper)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.chip{font:500 12.5px "Satoshi";padding:7px 12px;border:1px solid rgba(240,241,237,.2);border-radius:999px;color:var(--paper)}
.chip.nx{border-style:dashed;border-color:rgba(43,195,176,.5);color:var(--jade)}

/* company */
.company{grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.facts{width:100%;border-collapse:collapse;margin-top:12px}
.facts td{padding:12px 0;border-top:1px solid var(--line);font-size:15px;vertical-align:top}
.facts td:first-child{color:var(--ash);width:40%;font:500 11.5px "Satoshi";letter-spacing:.06em;text-transform:uppercase;padding-top:15px}
.team{margin-top:8px}
.member{padding:18px 0;border-top:1px solid var(--line)}
.member .nm{font-family:"Newsreader",serif;font-weight:500;font-size:23px}
.member .rl{font:500 11px "Satoshi";letter-spacing:.1em;text-transform:uppercase;color:var(--teal-deep);margin:6px 0 8px}
.member p{color:var(--ash);font-size:14.5px}

/* final cta */
.final{text-align:center;padding:104px 0}
.final h2{max-width:20ch;margin:0 auto 16px}
.final .cta{justify-content:center;display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.email{font:500 14px "Satoshi";letter-spacing:.04em;color:var(--ash);margin-top:24px}

/* footer */
footer{border-top:1px solid var(--line);padding:42px 0;background:var(--paper)}
footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center}
footer .legal{font-size:13.5px;color:var(--ash)}
footer .flinks{display:flex;gap:22px;font-size:13.5px}
footer a:hover{color:var(--teal-deep)}

/* legal pages */
.doc{max-width:760px;margin:0 auto;padding:62px 28px 84px}
.doc h1{font-size:clamp(36px,5vw,54px);margin-bottom:12px}
.doc h2{font-size:23px;margin:36px 0 10px;font-weight:500}
.doc p,.doc li{color:var(--ash);font-size:15.5px;line-height:1.72;margin-top:10px}
.doc ul{margin-left:20px}
.doc .back{font:500 13px "Satoshi";letter-spacing:.08em;color:var(--teal-deep);text-transform:uppercase}

/* motion */
[data-reveal]{opacity:0;transform:translateY(20px);transition:opacity .7s cubic-bezier(.22,.61,.36,1) var(--d,0ms),transform .7s cubic-bezier(.22,.61,.36,1) var(--d,0ms)}
[data-reveal].in{opacity:1;transform:none}
.nav{transition:box-shadow .3s,background .3s}
.nav.scrolled{box-shadow:0 1px 0 var(--line),0 10px 30px -24px rgba(20,24,26,.5)}
.navlinks a:not(.btn){position:relative}
.navlinks a:not(.btn):after{content:"";position:absolute;left:0;right:100%;bottom:-6px;height:1.5px;background:var(--teal);transition:right .3s}
.navlinks a:not(.btn).active:after,.navlinks a:not(.btn):hover:after{right:0}
.btn{transition:background .18s,border-color .18s,transform .18s,box-shadow .18s}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.cap,.vs .col.win{transition:transform .25s ease,box-shadow .25s ease}
.cap:hover,.vs .col.win:hover{transform:translateY(-3px);box-shadow:0 22px 44px -32px rgba(20,24,26,.4)}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}[data-reveal]{opacity:1;transform:none}.permbar .fill{transition:none}}

@media(max-width:860px){
 .hero .wrap,.vs,.company,.tech,.caps{grid-template-columns:1fr}
 .scope,.facts3{grid-template-columns:1fr}
 section{padding:66px 0}
 .navlinks a:not(.btn){display:none}
}