/* Base reset */
:root{padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
body{margin:0}
img{max-width:100%}
[hidden]{display:none!important}

/* Layout: fixed WebGL stage behind sticky left-column copy; opaque editorial sections after the five acts */
:root{
  --night:#11161a;
  --night-2:#171e23;
  --night-3:#1f282e;
  --ink:#ece4d4;
  --muted:#a69e8f;
  --brass:#c9a15a;
  --lume:#ffd889;
  --line:rgba(236,228,212,.13);
  --f-display:'Young Serif', Georgia, 'Times New Roman', serif;
  --f-body:'Manrope', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --f-mono:'JetBrains Mono', ui-monospace, Menlo, Consolas, monospace;
  --gutter:clamp(16px,4vw,56px);
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--night);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit}
:focus-visible{outline:2px solid var(--lume);outline-offset:3px;border-radius:4px}
h1,h2,h3{font-family:var(--f-display);font-weight:400;line-height:1.08;text-wrap:balance;margin:0}
p{margin:0}
.eyebrow{font-family:var(--f-mono);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--brass)}
.mono{font-family:var(--f-mono);font-size:.8rem;color:var(--muted)}

#bg{position:fixed;inset:0;width:100%;height:100%;z-index:0;display:block;pointer-events:none}
#stage{position:fixed;inset:0;width:100%;height:100%;z-index:1;display:block}
.no-webgl #stage{display:none}
#tags{position:fixed;inset:0;pointer-events:none;z-index:1}
.alt{margin-top:28px;max-width:52rem;color:var(--muted)}
.alt b{color:var(--ink);font-weight:600}
.tag{position:absolute;left:0;top:0;transform:translate(-50%,-140%);font-family:var(--f-mono);font-size:1rem;letter-spacing:.05em;color:var(--lume);background:rgba(17,22,26,.8);border:1px solid rgba(255,216,137,.45);padding:6px 14px;border-radius:999px;white-space:nowrap;opacity:0;transition:opacity .2s}

/* nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:5;padding:calc(env(safe-area-inset-top,0px) + 14px) var(--gutter) 14px;display:flex;align-items:center;gap:24px;background:linear-gradient(var(--night) 55%, rgba(17,22,26,0) 100%)}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none;font-family:var(--f-display);font-size:1.75rem;white-space:nowrap}
.brand img{height:46px;width:auto;display:block}
.brand b{font-weight:400;color:var(--brass)}
.nav ul{display:flex;gap:30px;list-style:none;margin:0 0 0 auto;padding:0}
.nav ul a{text-decoration:none;font-size:1.05rem;color:var(--muted)}
.nav ul a.on,.nav ul a:hover{color:var(--ink)}
.btn{display:inline-flex;align-items:center;gap:8px;font:600 .92rem var(--f-body);text-decoration:none;padding:11px 18px;border-radius:999px;border:1px solid var(--brass);color:var(--night);background:var(--brass);cursor:pointer;transition:background .2s,color .2s}
.btn:hover{background:var(--lume);border-color:var(--lume)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.ghost:hover{border-color:var(--brass);color:var(--lume);background:transparent}
.nav .btn{padding:11px 20px;font-size:1rem}
#progress{position:fixed;top:0;left:0;height:2px;width:100%;transform-origin:0 50%;transform:scaleX(0);background:var(--brass);z-index:6}

/* acts */
main{position:relative;z-index:2}
.act{position:relative;height:230vh;padding-inline:var(--gutter);overflow:clip}
.act.hero{height:150vh}
.act .copy{position:sticky;top:calc(50vh - 11rem);max-width:31rem;padding-top:5.5rem;display:grid;gap:18px}
.act.hero .copy{top:calc(50vh - 16rem);max-width:40rem}
.act h1{font-size:clamp(3rem,7.2vw,6.2rem);line-height:1.02}
.act h2{font-size:clamp(2rem,4.2vw,3.2rem)}
.act p.lead{font-size:1.08rem;color:var(--ink);max-width:29rem}
.act .sub{color:var(--muted);font-size:.96rem}
.act ul.ticks{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.act ul.ticks li{display:grid;grid-template-columns:14px 1fr;gap:10px;color:var(--muted);font-size:.95rem}
.act ul.ticks li::before{content:"";width:6px;height:6px;margin-top:.62em;border-radius:50%;background:var(--lume);box-shadow:0 0 10px var(--lume)}
.row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.copy .veil{position:absolute;inset:-2rem -3rem -2rem -50vw;background:radial-gradient(70% 60% at 30% 50%, rgba(17,22,26,.78), rgba(17,22,26,0) 75%);z-index:-1;pointer-events:none}

/* opaque sections */
.sheet{position:relative;z-index:2;background:rgba(17,22,26,.8);padding-inline:var(--gutter)}
.sheet>section{max-width:1160px;margin:0 auto;padding-block:clamp(64px,10vw,120px);border-top:1px solid var(--line)}
.sheet>section:first-child{border-top:0}
.sheet>section{scroll-margin-top:72px}
.sec-head{display:grid;gap:14px;max-width:44rem;margin-bottom:44px}
.sec-head h2{font-size:clamp(2rem,4vw,3rem)}
.sec-head p{color:var(--muted);font-size:1.04rem}

.facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.fact{background:var(--night);padding:28px;display:grid;gap:10px;align-content:start}
.fact .num{font-family:var(--f-display);font-size:clamp(2.4rem,5vw,3.4rem);color:var(--lume);font-variant-numeric:tabular-nums;line-height:1}
.fact p{color:var(--muted);font-size:.95rem}
.fact .src{font-family:var(--f-mono);font-size:.7rem;color:var(--muted);opacity:.8}

.products{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.prod{border-top:1px solid var(--brass);padding-top:20px;display:grid;gap:12px;align-content:start}
.prod .k{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--brass)}
.prod h3{font-size:1.7rem}
.prod p{color:var(--muted)}
.prod ul{margin:0;padding-left:1.1em;color:var(--ink);font-size:.95rem;display:grid;gap:4px}
.prod .when{font-family:var(--f-mono);font-size:.76rem;color:var(--lume)}
.note{margin-top:32px;padding:18px 20px;border:1px dashed rgba(201,161,90,.5);border-radius:12px;color:var(--muted);font-size:.95rem;max-width:52rem}
.note b{color:var(--ink);font-weight:600}

.cases{display:grid;gap:28px}
.case{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:clamp(24px,4vw,56px);align-items:center;padding:clamp(22px,3vw,36px);background:var(--night-2);border:1px solid var(--line);border-radius:18px}
.case .txt{display:grid;gap:14px;min-width:0}
.case h3{font-size:clamp(1.7rem,3vw,2.3rem)}
.case p{color:var(--muted)}
.case .who{display:flex;flex-wrap:wrap;gap:8px}
.chip{font-family:var(--f-mono);font-size:.72rem;padding:4px 10px;border-radius:999px;border:1px solid var(--line);color:var(--ink)}
.chip.lit{border-color:rgba(255,216,137,.45);color:var(--lume)}
.demo{min-width:0;background:var(--night);border:1px solid var(--line);border-radius:14px;padding:16px;display:grid;gap:12px;font-size:.9rem}
.demo .bar{display:flex;gap:8px;align-items:center;padding:10px 12px;border:1px solid rgba(201,161,90,.45);border-radius:10px;font-family:var(--f-mono);font-size:.8rem;color:var(--ink);overflow-wrap:anywhere}
.demo .bar::before{content:"›";color:var(--brass);font-size:1rem}
.demo .meta{display:flex;justify-content:space-between;gap:8px;font-family:var(--f-mono);font-size:.7rem;color:var(--muted);flex-wrap:wrap}
.hit{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px 12px;padding:10px 0;border-top:1px solid var(--line)}
.hit .t{color:var(--ink);font-weight:600}
.hit .s{font-family:var(--f-mono);font-size:.78rem;color:var(--lume);font-variant-numeric:tabular-nums;align-self:start}
.hit .d{grid-column:1/-1;color:var(--muted);font-size:.84rem}
.meter{grid-column:1/-1;height:3px;background:var(--night-3);border-radius:3px;overflow:hidden}
.meter i{display:block;height:100%;background:var(--brass)}
.chat{display:grid;gap:10px}
.msg{padding:10px 12px;border-radius:12px;max-width:92%}
.msg.q{justify-self:end;background:var(--night-3);color:var(--ink)}
.msg.a{background:rgba(201,161,90,.1);border:1px solid rgba(201,161,90,.3);color:var(--ink)}
.cite{display:inline-flex;gap:6px;margin-top:8px;font-family:var(--f-mono);font-size:.72rem;color:var(--lume);border:1px solid rgba(255,216,137,.35);padding:2px 8px;border-radius:6px}
.illus{font-family:var(--f-mono);font-size:.68rem;color:var(--muted);text-align:right}
.sectors{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:8px}
.sector{padding:20px 0 0;border-top:1px solid var(--line);display:grid;gap:8px}
.sector h4{margin:0;font:600 1rem var(--f-body)}
.sector p{color:var(--muted);font-size:.92rem}

/* case study cards + detail dialog */
.cs-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.cs-card{all:unset;box-sizing:border-box;cursor:pointer;display:grid;grid-template-rows:auto 1fr auto auto auto;gap:6px;min-height:230px;padding:22px;border-radius:18px;background:var(--night-2);border:1px solid var(--line);color:var(--ink);transition:transform .2s,border-color .2s,background .2s}
.cs-card:hover{transform:translateY(-3px);border-color:rgba(201,161,90,.6)}
.cs-card:focus-visible{outline:2px solid var(--lume);outline-offset:3px}
.cs-top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:28px}
.cs-ic{width:40px;height:40px;padding:9px;border-radius:12px;background:rgba(201,161,90,.14);fill:none;stroke:var(--brass);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}
.cs-n{display:grid;justify-items:end;text-align:right;font-family:var(--f-display);font-size:1.9rem;line-height:1;color:var(--lume);font-variant-numeric:tabular-nums}
.cs-n small{font-family:var(--f-body);font-size:.72rem;line-height:1.3;color:var(--muted);margin-top:6px;max-width:11rem}
.cs-t{font-weight:700;font-size:1.08rem}
.cs-s{color:var(--muted);font-size:.88rem}
.cs-more{margin-top:10px;font-size:.84rem;color:var(--brass)}
.cs-card.lit{background:var(--brass);border-color:var(--brass);color:var(--night)}
.cs-card.lit:hover{background:var(--lume);border-color:var(--lume)}
.cs-card.lit .cs-ic{background:rgba(17,22,26,.1);stroke:var(--night)}
.cs-card.lit .cs-n,.cs-card.lit .cs-more{color:var(--night)}
.cs-card.lit .cs-n small,.cs-card.lit .cs-s{color:rgba(17,22,26,.72)}
.cs-note{margin-top:22px;color:var(--muted);font-size:.84rem;max-width:52rem}
.cs-dlg{width:min(760px,calc(100% - 32px));max-height:88vh;overflow:auto;padding:clamp(24px,4vw,44px);background:var(--night-2);color:var(--ink);border:1px solid var(--line);border-radius:20px}
.cs-dlg::backdrop{background:rgba(8,10,12,.72);backdrop-filter:blur(4px)}
.cs-body{display:grid;gap:14px}
.cs-body h3{font-size:clamp(1.6rem,3.4vw,2.2rem);margin:0}
.cs-body h4{margin:10px 0 0;font:700 .78rem var(--f-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--brass)}
.cs-body p{margin:0;color:var(--muted)}
.cs-body ul{margin:0;padding-left:1.1em;display:grid;gap:6px}
.cs-body .who{display:flex;flex-wrap:wrap;gap:8px}
.cs-kpi{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;padding:14px 18px;border-radius:12px;background:rgba(201,161,90,.1);border:1px solid rgba(201,161,90,.3)}
.cs-kpi b{font-family:var(--f-display);font-weight:400;font-size:2.2rem;color:var(--lume);line-height:1}
.cs-kpi span{color:var(--ink);font-size:.92rem}
.cs-price{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap;margin-top:8px;padding-top:16px;border-top:1px solid var(--line)}
.cs-price span{color:var(--muted);font-size:.9rem}
.cs-price b{font-family:var(--f-display);font-weight:400;font-size:1.4rem;color:var(--lume)}
.cs-x{position:sticky;top:0;float:right;margin:-8px -8px 0 12px;width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:var(--night);color:var(--ink);font-size:1.4rem;line-height:1;cursor:pointer}
.cs-x:hover{border-color:var(--brass);color:var(--lume)}
@media (max-width:1100px){.cs-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.cs-grid{grid-template-columns:minmax(0,1fr)}.cs-card{min-height:0}.cs-top{margin-bottom:16px}}

.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:s}
.steps li{counter-increment:s;display:grid;gap:10px;align-content:start;padding-top:16px;border-top:1px solid var(--line)}
.steps li::before{content:counter(s);font-family:var(--f-display);font-size:2.2rem;color:var(--brass);line-height:1}
.steps h4{margin:0;font:600 1.02rem var(--f-body)}
.steps p{color:var(--muted);font-size:.93rem}
.steps .when{font-family:var(--f-mono);font-size:.72rem;color:var(--lume)}

.cmp-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px}
table.cmp{width:100%;border-collapse:collapse;min-width:560px;font-size:.95rem}
.cmp th,.cmp td{text-align:left;padding:14px 18px;border-top:1px solid var(--line);vertical-align:top}
.cmp thead th{border-top:0;font-family:var(--f-mono);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:500}
.cmp thead th.us{color:var(--lume)}
.cmp td:first-child{color:var(--muted);width:28%}
.cmp td.us{color:var(--ink);background:rgba(201,161,90,.06)}

.faq{display:grid;gap:0;max-width:52rem}
.faq details{border-top:1px solid var(--line);padding:18px 0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;font:600 1.05rem var(--f-body);list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::after{content:"+";color:var(--brass);font-family:var(--f-mono)}
.faq details[open] summary::after{content:"−"}
.faq details p{margin-top:10px;color:var(--muted)}

.contact{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(24px,5vw,72px);align-items:start}
.contact .txt{display:grid;gap:16px}
.contact h2{font-size:clamp(2.2rem,4.6vw,3.4rem)}
.contact p{color:var(--muted)}
.addr{font-family:var(--f-mono);font-size:.84rem;color:var(--ink);display:grid;gap:4px;user-select:all}
form{display:grid;gap:14px;background:var(--night-2);border:1px solid var(--line);border-radius:16px;padding:22px}
label{display:grid;gap:6px;font-size:.84rem;color:var(--muted)}
input,select,textarea{font:inherit;font-size:.95rem;color:var(--ink);background:var(--night);border:1px solid var(--line);border-radius:10px;padding:10px 12px;width:100%}
input:focus,select:focus,textarea:focus{border-color:var(--brass);outline:none}
textarea{min-height:110px;resize:vertical}
.form-ok{font-size:.9rem;color:var(--lume)}

footer{position:relative;z-index:2;background:rgba(17,22,26,.9);padding:28px var(--gutter) calc(28px + env(safe-area-inset-bottom,0px));border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;color:var(--muted);font-size:.85rem}
.draft{position:fixed;left:16px;bottom:calc(16px + env(safe-area-inset-bottom,0px));z-index:7;font-family:var(--f-mono);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;padding:6px 10px;border-radius:999px;background:var(--night);border:1px solid var(--brass);color:var(--brass)}


.vt td.us{font-family:var(--f-display);font-size:1.3rem;color:var(--lume)}
.vt td{font-variant-numeric:tabular-nums}
.vgrid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:clamp(20px,4vw,48px);margin-top:28px;align-items:start}
.vex{background:var(--night-2);border:1px solid var(--line);border-radius:14px;padding:22px;display:grid;gap:10px}
.vex .k{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--brass)}
.vrow{display:flex;justify-content:space-between;gap:16px;padding:8px 0;border-top:1px solid var(--line);color:var(--muted);font-variant-numeric:tabular-nums}
.vrow b{color:var(--ink);font-weight:600;white-space:nowrap}
.vrow.tot{border-top:1px solid var(--brass)}
.vrow.tot span{color:var(--ink);font-weight:600}
.vrow.tot b{font-family:var(--f-display);font-size:1.6rem;font-weight:400;color:var(--lume)}
.vex .illus{text-align:left}
.vnotes{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.vnotes li{color:var(--muted);padding-left:18px;position:relative}
.vnotes li::before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:50%;background:var(--brass)}
.vnotes b{color:var(--ink);font-weight:600}
.note a{color:var(--lume)}
@media (max-width:980px){.vgrid{grid-template-columns:minmax(0,1fr)}}
@media (max-width:760px){table.cmp.vt{min-width:0;font-size:.86rem}.vt th,.vt td{padding:12px 10px}.vt thead th{font-size:.62rem;letter-spacing:.06em}.vt td.us{font-size:1.1rem}}
@media (min-width:981px) and (max-width:1240px){
  .brand img{height:38px}
  .nav ul{gap:18px}.nav ul a{font-size:.95rem}
  .nav .btn{padding:9px 16px;font-size:.92rem}
}
@media (max-width:980px){
  .nav ul{display:none}
  .nav .btn{margin-left:auto}
  .products,.case,.contact{grid-template-columns:minmax(0,1fr)}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:760px){
  .act .copy,.act.hero .copy{top:44svh;padding-top:0;max-width:none}
  .act .copy .sub,.act ul.ticks{display:none}
  .act{height:200vh}
  .act.hero{height:140vh}
  .copy .veil{inset:-3rem -2rem -100vh -2rem;background:linear-gradient(rgba(17,22,26,0), rgba(17,22,26,.88) 22%)}
  .act p.lead{font-size:1rem}
  .facts,.sectors{grid-template-columns:minmax(0,1fr)}
  .steps{grid-template-columns:minmax(0,1fr)}
  .brand img{height:30px}
  .tag{font-size:.8rem;padding:4px 10px}
  .draft{display:none}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.tag{transition:none}}