:root{
  /* story (always dark) */
  --stage:#05060A; --stage2:#0B0E14; --line-d:rgba(255,255,255,.12); --txt:#F2F3F6; --txt2:#B7BDC9; --txt3:#8B93A3;
  --oak:#D2A579; --brass:#D6A955; --teal:#4FB3AC; --teal2:#6FD0C8; --rose:#F4A08A; --violet:#B9A2FF;
  --ai:linear-gradient(115deg,#7C3AED,#2563EB 55%,#06B6D4);
  /* light sections (brand) */
  --paper:#F6F3ED; --panel:#FFFFFF; --ink:#22282B; --ink2:#4F5557; --muted:#6F6A62; --line:#DED6C8; --brass-d:#8A6428; --teal-d:#1F6E6A;
  --display:'Outfit',system-ui,sans-serif; --story:'Unbounded','Outfit',system-ui,sans-serif; --body:'Source Sans 3',system-ui,sans-serif; --mono:'JetBrains Mono',ui-monospace,Consolas,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--paper:#121719;--panel:#1A2124;--ink:#ECEBE4;--ink2:#C4C9C3;--muted:#9AA19C;--line:#2B3438;--brass-d:#D6A955;--teal-d:#5FB9AE;color-scheme:dark}}
:root[data-theme="dark"]{--paper:#121719;--panel:#1A2124;--ink:#ECEBE4;--ink2:#C4C9C3;--muted:#9AA19C;--line:#2B3438;--brass-d:#D6A955;--teal-d:#5FB9AE;color-scheme:dark}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--stage);color:var(--txt);font:18px/1.6 var(--body)}
a{color:inherit}
img,video{max-width:100%;display:block}
.wrap{max-width:1180px;margin:0 auto;padding-inline:20px}
.eyebrow{font:500 13px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--txt3);margin-bottom:14px}
h1,h2,h3{margin:0;text-wrap:balance}
.story h2{font:800 clamp(34px,5vw,60px)/1.08 var(--story);letter-spacing:-.02em}
.lead{font-size:clamp(18px,2vw,21px);color:var(--txt2);max-width:62ch;margin:18px 0 0}
.btn{display:inline-flex;align-items:center;gap:10px;font:600 16px var(--display);padding:14px 22px;border-radius:12px;text-decoration:none;border:0;cursor:pointer}
.btn.main{background:var(--brass);color:#1B1408}
.btn.ghost{background:transparent;color:var(--txt);box-shadow:inset 0 0 0 1px var(--line-d)}
.btn:focus-visible{outline:3px solid var(--teal);outline-offset:3px}
section{padding-block:96px}
/* reveal on scroll (only when JS runs and motion is allowed) */
.js [data-reveal]{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.8,.2,1)}
.js [data-reveal].in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.js [data-reveal]{opacity:1;transform:none;transition:none}}

/* header */
header{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:rgba(5,6,10,.78);backdrop-filter:blur(12px);border-bottom:1px solid var(--line-d)}
.nav{display:flex;align-items:center;gap:22px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font:700 21px var(--display);text-decoration:none;color:var(--txt)}
.brand img{width:34px;height:34px}
.nav .links{display:flex;gap:22px;margin-left:auto;font:500 15px var(--display)}
.nav .links a{text-decoration:none;color:var(--txt2)}
.nav .links a:hover{color:var(--txt)}
.nav .btn{padding:10px 16px;font-size:14px}
.nav .short{display:none}
@media (max-width:860px){.nav .links{display:none}.nav .btn{margin-left:auto}}
@media (max-width:520px){.nav .long{display:none}.nav .short{display:inline}}

/* hero */
.hero{position:relative;overflow:hidden;padding-block:72px 96px;background:radial-gradient(900px 600px at 18% 20%,rgba(107,74,43,.45),transparent 70%),radial-gradient(900px 700px at 90% 80%,rgba(31,110,106,.35),transparent 70%),var(--stage)}
.hero .grid{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.hero h1{font:800 clamp(34px,4.4vw,60px)/1.05 var(--story);letter-spacing:-.025em}
.hero h1 .quiet{display:block;color:var(--txt2);font-weight:700;font-size:.62em;margin-top:14px;letter-spacing:-.01em}
.hero .cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.frame{border-radius:16px;overflow:hidden;box-shadow:0 40px 120px rgba(0,0,0,.6),0 0 0 1px rgba(255,255,255,.1);background:#000;aspect-ratio:16/9}
.frame video{width:100%;height:100%;object-fit:cover}
.hero .fine{margin-top:14px;font-size:13px;color:var(--txt3)}
@media (max-width:900px){.hero .grid{grid-template-columns:1fr}}

/* foundation + pillars */
#foundation{background:linear-gradient(180deg,var(--stage),#0A0C12)}
.pillars{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:44px}
.pillar{position:relative;border-radius:20px 20px 0 0;padding:26px 22px 22px;background:linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.025));border:1px solid rgba(255,255,255,.14);border-bottom:none}
.pillar::before{content:'';position:absolute;left:0;right:0;top:0;height:4px;border-radius:20px 20px 0 0;background:var(--c)}
.pillar .ic{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;background:color-mix(in srgb,var(--c) 18%,transparent);color:var(--c)}
.pillar .ic svg{width:28px;height:28px}
.pillar h3{font:800 26px var(--story);margin-top:14px;color:var(--c2)}
.pillar .sub{color:var(--txt2);font-size:16px;margin:4px 0 12px}
.pillar ul{list-style:none;padding:0;margin:0}
.pillar li{font-size:16px;padding:8px 0;border-top:1px solid rgba(255,255,255,.08);display:flex;gap:10px;align-items:center}
.pillar li::before{content:'';width:7px;height:7px;border-radius:50%;background:var(--c);flex:none}
.pillar button{margin-top:12px;background:none;border:0;color:var(--c2);font:600 14px var(--display);cursor:pointer;padding:6px 0}
.pillar .more{display:none;font-size:15.5px;color:var(--txt2);margin:6px 0 0}
.pillar.open .more{display:block}
.p-data{--c:#4FB3AC;--c2:#6FD0C8}.p-model{--c:#A78BFA;--c2:#B9A2FF}.p-apps{--c:#D6A955;--c2:#E6BD6E}.p-people{--c:#F4A08A;--c2:#F7B7A3}
.slab{border-radius:14px;padding:22px 20px;text-align:center;background:linear-gradient(90deg,#3B2A18,#6B4A2B 40%,#8A6428 70%,#3B2A18);border:1px solid rgba(214,169,85,.5)}
.slab b{display:block;font:800 clamp(16px,2.2vw,24px)/1.3 var(--story);letter-spacing:.04em;color:#F6E7C8;text-transform:uppercase}
.slab span{display:block;margin-top:6px;font:500 13px var(--mono);letter-spacing:.16em;text-transform:uppercase;color:#E8D3A8}
@media (max-width:980px){.pillars{grid-template-columns:repeat(2,1fr)}.pillar{border-radius:20px;border-bottom:1px solid rgba(255,255,255,.14)}}
@media (max-width:560px){.pillars{grid-template-columns:1fr}}
.pillars-wrap .slab{margin-top:0}
@media (max-width:980px){.pillars-wrap .slab{margin-top:18px}}

/* examples */
#examples{background:#0A0C12}
.strip{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(300px,520px);gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 20px 22px;margin:40px -20px 0;scrollbar-width:thin}
.case{scroll-snap-align:start;background:var(--stage2);border:1px solid var(--line-d);border-radius:18px;overflow:hidden;display:flex;flex-direction:column}
.case img{aspect-ratio:1230/780;object-fit:cover;width:100%;height:auto;border-bottom:1px solid var(--line-d)}
.case .body{padding:20px 22px 24px}
.case .who{font:500 12.5px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--txt3)}
.case .io{font:800 22px/1.2 var(--story);margin-top:10px}
.case .io em{font-style:normal;display:block;color:var(--c)}
.case p{margin:10px 0 0;font-size:16px;color:var(--txt2)}
.hint{font-size:14px;color:var(--txt3);margin-top:6px}
.fict{font-size:13px;color:var(--txt3);margin-top:10px}

/* the switch */
#switch{background:radial-gradient(900px 600px at 50% 0%,rgba(95,56,196,.28),transparent 70%),var(--stage);transition:background .8s}
#switch.off{background:radial-gradient(900px 600px at 50% 0%,rgba(31,110,106,.30),transparent 70%),var(--stage)}
.sw-head{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.sw-head h2{font-size:clamp(28px,4vw,48px)}
.toggle{position:relative;width:110px;height:56px;border-radius:28px;border:2px solid rgba(255,255,255,.2);background:#3A3D45;cursor:pointer;flex:none;padding:0}
.toggle .on{position:absolute;inset:0;border-radius:28px;background:var(--ai);box-shadow:0 0 30px rgba(99,102,241,.6);transition:opacity .35s}
.toggle .kn{position:absolute;top:5px;left:59px;width:42px;height:42px;border-radius:50%;background:#fff;display:grid;place-items:center;font:800 13px var(--display);color:#4F46E5;transition:left .3s cubic-bezier(.4,0,.2,1),color .3s}
.toggle[aria-checked="false"] .on{opacity:0}
.toggle[aria-checked="false"] .kn{left:5px;color:#3A3D45}
.toggle:focus-visible{outline:3px solid var(--teal);outline-offset:4px}
.sw-grid{position:relative;margin-top:34px;border-radius:14px;overflow:hidden;aspect-ratio:1620/690;background:#000}
.sw-grid img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:opacity .6s ease}
.sw-grid .after{opacity:0}
#switch.off .sw-grid .after{opacity:1}
.sw-lines{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px}
.sw-lines div{font:800 clamp(18px,2.2vw,26px)/1.2 var(--story);opacity:.25;transition:opacity .5s,transform .5s;transform:translateY(8px)}
.sw-lines small{display:block;font:400 16px/1.45 var(--body);color:var(--txt2);margin-top:8px}
#switch.off .sw-lines div{opacity:1;transform:none}
#switch.off .sw-lines div:nth-child(2){transition-delay:.25s}#switch.off .sw-lines div:nth-child(3){transition-delay:.5s}
@media (max-width:760px){.sw-lines{grid-template-columns:1fr}}

/* ownership */
#own{text-align:center;background:radial-gradient(800px 500px at 30% 30%,rgba(31,110,106,.32),transparent 70%),radial-gradient(800px 500px at 75% 75%,rgba(107,74,43,.35),transparent 70%),var(--stage)}
#own .l1{font:800 clamp(30px,4.6vw,56px)/1.1 var(--story);color:var(--txt)}
#own .l2{font:800 clamp(36px,6vw,78px)/1.08 var(--story);color:#E6BD6E;margin-top:14px}
#own .l3{font:800 clamp(28px,4.4vw,56px)/1.1 var(--story);color:var(--teal2);margin-top:10px}

/* light sections */
.light{background:var(--paper);color:var(--ink)}
.light .eyebrow{color:var(--muted)}
.light h2{font:700 clamp(30px,4vw,44px)/1.12 var(--display);letter-spacing:-.01em}
.light .lead,.light .sub{color:var(--ink2)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:40px;counter-reset:s}
.step{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px}
.step::before{counter-increment:s;content:counter(s,decimal-leading-zero);font:500 13px var(--mono);color:var(--brass-d);letter-spacing:.1em}
.step h3{font:700 20px var(--display);margin:8px 0 6px}
.step p{margin:0;font-size:16px;color:var(--ink2)}
.caveat{margin-top:26px;font-size:15px;color:var(--muted);max-width:80ch}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr}}@media (max-width:560px){.steps{grid-template-columns:1fr}}
.svc-ai{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:36px}
.svc-ai div{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px}
.svc-ai h3{font:700 20px var(--display);margin-bottom:6px}
.svc-ai p{margin:0;font-size:16px;color:var(--ink2)}
@media (max-width:980px){.svc-ai{grid-template-columns:1fr 1fr}}@media (max-width:560px){.svc-ai{grid-template-columns:1fr}}
.db-link{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-top:26px;padding:18px 22px;border-radius:14px;border:1px dashed var(--line);text-decoration:none;color:var(--ink2);font-size:16px}
.db-link b{color:var(--ink)}.db-link .go{font:600 15px var(--display);color:var(--brass-d)}
.svc{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:18px;margin-top:40px}
.svc a{display:flex;flex-direction:column;gap:8px;text-decoration:none;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px}
.svc a:hover{border-color:var(--brass-d)}
.svc .tag{font:500 12px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--teal-d)}
.svc h3{font:700 21px var(--display)}
.svc p{margin:0;font-size:16px;color:var(--ink2)}
.svc .go{margin-top:auto;font:600 15px var(--display);color:var(--brass-d)}
.svc a.primary{background:#10141A;border-color:#10141A;color:#F2F3F6}
.svc a.primary p{color:#B7BDC9}.svc a.primary .tag{color:#6FD0C8}.svc a.primary .go{color:#E6BD6E}
@media (max-width:980px){.svc{grid-template-columns:1fr 1fr}}@media (max-width:560px){.svc{grid-template-columns:1fr}}
.who{max-width:80ch;margin-top:14px}
.facts{list-style:none;padding:0;margin:26px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.facts li{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.facts b{display:block;font:700 19px var(--display)}
.facts span{font-size:15px;color:var(--muted)}
@media (max-width:760px){.facts{grid-template-columns:1fr}}
.contact{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px}
.contact div{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px}
.contact h3{font:700 19px var(--display);margin-bottom:6px}
.contact p{margin:0;font-size:16px;color:var(--ink2)}
@media (max-width:760px){.contact{grid-template-columns:1fr}}
form.q{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px;position:relative}
form.q .full{grid-column:1/-1}
form.q label{display:block;font:600 14px var(--display);margin-bottom:6px}
form.q input,form.q select,form.q textarea{width:100%;font:16px var(--body);padding:12px 14px;border-radius:10px;border:1px solid var(--line);background:var(--panel);color:var(--ink)}
form.q textarea{min-height:140px}
form.q .btns{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
form.q .note{font-size:14px;color:var(--muted)}
form.q .btn{background:var(--ink);color:var(--paper)}
.ok{display:none;padding:12px 14px;border-radius:10px;background:color-mix(in srgb,var(--teal-d) 14%,var(--panel));border:1px solid var(--teal-d)}
@media (max-width:640px){form.q{grid-template-columns:1fr}}
.alt{background:color-mix(in srgb,var(--paper) 92%,#000 8%)}

/* close + footer */
#close{text-align:center;padding-block:110px;background:radial-gradient(700px 400px at 50% 40%,rgba(214,169,85,.18),transparent 70%),var(--stage)}
#close img{width:96px;height:96px;margin:0 auto 18px}
#close h2{font:800 clamp(30px,5vw,60px)/1.1 var(--story);letter-spacing:-.02em}
#close .cta{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:30px}
footer{background:#040508;color:var(--txt2);padding-block:44px;font-size:15px;border-top:1px solid var(--line-d)}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:24px}
footer h4{font:600 14px var(--display);color:var(--txt);margin:0 0 10px}
footer a{display:block;text-decoration:none;color:var(--txt2);padding:3px 0}
footer .fine{margin-top:26px;font-size:13px;color:var(--txt3);max-width:90ch}
@media (max-width:760px){.fgrid{grid-template-columns:1fr 1fr}}

dialog.film{border:0;padding:0;background:#000;border-radius:14px;width:min(1100px,94vw);box-shadow:0 40px 140px rgba(0,0,0,.8)}
dialog.film::backdrop{background:rgba(0,0,0,.8)}
dialog.film video{width:100%;aspect-ratio:16/9}
dialog.film .x{position:absolute;right:10px;top:10px;z-index:2;background:rgba(0,0,0,.6);color:#fff;border:0;border-radius:999px;width:40px;height:40px;font-size:20px;cursor:pointer}
.li-co{display:inline-flex;margin-top:22px;font:600 15px var(--display);color:var(--teal-d);text-decoration:none;border:1px solid var(--line);border-radius:12px;padding:12px 16px;background:var(--panel)}
.li-co:hover{border-color:var(--teal-d)}