/* QUANTYX — public website. Platform palette: black, amber #fb8b1e, green #00d26a, red #ff433d, blue #4da3ff. */
:root{--bg:#000;--bg2:#07080a;--panel:#0b0c0f;--line:#1f2329;--line2:#2c2f36;--text:#f2f2f2;--muted:#9aa3ad;--dim:#6b7380;
--amber:#fb8b1e;--amber2:#ffb000;--green:#00d26a;--red:#ff433d;--blue:#4da3ff;
--mono:"Consolas","SFMono-Regular",ui-monospace,Menlo,monospace;--sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
--r:14px;--max:1180px;--glow:0 0 0 1px rgba(251,139,30,.35),0 20px 80px -20px rgba(251,139,30,.35)}
*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 var(--sans);overflow-x:hidden}
img{max-width:100%;display:block;height:auto}a{color:var(--amber);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.mono{font-family:var(--mono)}.amber{color:var(--amber)}.green{color:var(--green)}.red{color:var(--red)}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;z-index:99;background:var(--amber);color:#000;padding:8px 12px}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px}

/* ---------- top bar */
.nav{position:fixed;inset:0 0 auto 0;z-index:50;transition:background .3s,border-color .3s;border-bottom:1px solid transparent}
.nav.solid{background:rgba(0,0,0,.82);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-color:var(--line)}
.nav .wrap{display:flex;align-items:center;gap:28px;height:68px}
.logo{font:700 20px var(--mono);letter-spacing:.06em;color:var(--amber);white-space:nowrap}
.logo b{color:var(--text);font-weight:700}.logo sup{font-size:10px;color:var(--amber2);margin-left:2px}
.nav ul{display:flex;gap:22px;list-style:none;margin:0;padding:0;font-size:14px}
.nav ul a{color:var(--muted)}.nav ul a:hover{color:var(--text);text-decoration:none}
.nav .cta{margin-left:auto;display:flex;gap:10px;align-items:center}
.lang{font:600 12px var(--mono);color:var(--muted);letter-spacing:.08em;padding:0 8px}.lang b{color:var(--amber)}.lang:hover{text-decoration:none;color:var(--text)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:999px;font:600 14px var(--sans);
  border:1px solid var(--line2);color:var(--text);background:transparent;cursor:pointer;transition:transform .15s,box-shadow .2s,background .2s;white-space:nowrap}
.btn:hover{text-decoration:none;border-color:var(--amber);transform:translateY(-1px)}
.btn.primary{background:linear-gradient(135deg,var(--amber2),var(--amber));color:#000;border:0;box-shadow:0 8px 30px -8px rgba(251,139,30,.7)}
.btn.primary:hover{box-shadow:0 12px 40px -8px rgba(251,139,30,.9)}
.btn.lg{padding:15px 28px;font-size:16px}
.burger{display:none;margin-left:auto;background:none;border:1px solid var(--line2);color:var(--text);border-radius:10px;padding:8px 11px;font-size:18px}

/* ---------- hero */
.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:center;overflow:hidden;isolation:isolate}
#scene{position:absolute;inset:0;z-index:-2;width:100%;height:100%}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:linear-gradient(90deg,rgba(0,0,0,.92) 0%,rgba(0,0,0,.75) 38%,rgba(0,0,0,.15) 70%,transparent),linear-gradient(to bottom,transparent 72%,#000)}
.hero .wrap{width:100%;padding-top:110px;padding-bottom:90px}
.kicker{display:inline-flex;align-items:center;gap:10px;font:600 12px var(--mono);letter-spacing:.18em;color:var(--amber);text-transform:uppercase;
  border:1px solid rgba(251,139,30,.35);border-radius:999px;padding:6px 14px;background:rgba(251,139,30,.06)}
.kicker i{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 12px var(--green);animation:pulse 2s infinite}
@keyframes pulse{50%{opacity:.35}}
h1{font-size:clamp(38px,6.2vw,76px);line-height:1.04;letter-spacing:-.025em;margin:22px 0 18px;max-width:900px;font-weight:800}
h1 em{font-style:normal;background:linear-gradient(100deg,var(--amber2),var(--amber) 40%,#ff6a00);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:clamp(17px,1.6vw,20px);color:#c9cdd3;max-width:640px;margin:0 0 30px}
.hero .actions{display:flex;gap:12px;flex-wrap:wrap}
.hero .fine{margin-top:22px;font-size:12.5px;color:var(--dim);max-width:620px}
.ticker{position:absolute;left:0;right:0;bottom:0;border-top:1px solid var(--line);background:rgba(0,0,0,.6);backdrop-filter:blur(6px);
  font:13px var(--mono);white-space:nowrap;overflow:hidden;height:40px;display:flex;align-items:center}
.ticker .track{display:inline-flex;gap:38px;padding-left:38px;animation:tick 60s linear infinite}
.ticker span b{color:var(--text);margin-right:8px}
@keyframes tick{to{transform:translateX(-50%)}}
.ticker .demo{position:absolute;right:0;top:0;bottom:0;display:flex;align-items:center;padding:0 14px;background:#000;color:var(--dim);font-size:11px;letter-spacing:.1em}

/* ---------- sections */
section{position:relative;padding:110px 0}
.eyebrow{font:600 12px var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--amber);margin:0 0 14px}
h2{font-size:clamp(30px,4vw,50px);line-height:1.08;letter-spacing:-.02em;margin:0 0 18px;font-weight:800;max-width:820px}
.sub{color:var(--muted);font-size:18px;max-width:700px;margin:0 0 50px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.stats div{background:var(--bg2);padding:28px 24px}
.stats b{display:block;font:700 clamp(28px,3.2vw,40px) var(--mono);color:var(--amber)}
.stats span{color:var(--muted);font-size:14px}

/* 3D product frame */
.stage{perspective:1600px;margin-top:10px}
.frame{transform-style:preserve-3d;transform:rotateX(24deg) scale(.92);transform-origin:50% 0;border-radius:16px;overflow:hidden;
  border:1px solid rgba(251,139,30,.35);box-shadow:var(--glow);background:#000;will-change:transform}
.frame .bar{display:flex;gap:7px;padding:10px 14px;background:#0a0a0a;border-bottom:1px solid var(--line)}
.frame .bar i{width:11px;height:11px;border-radius:50%;background:#2a2a2a}.frame .bar i:first-child{background:var(--red)}
.frame .bar i:nth-child(2){background:var(--amber)}.frame .bar i:nth-child(3){background:var(--green)}
.frame .bar span{margin-left:12px;font:12px var(--mono);color:var(--dim)}
.caption{font-size:12.5px;color:var(--dim);margin-top:14px;text-align:center}

/* features: tabbed showcase */
.show{display:grid;grid-template-columns:360px 1fr;gap:36px;align-items:start}
.tabs{display:flex;flex-direction:column;gap:8px}
.tab{text-align:left;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px 18px;color:var(--text);cursor:pointer;
  transition:border-color .2s,background .2s;font:inherit}
.tab h3{margin:0 0 4px;font-size:16px;display:flex;align-items:center;gap:10px}
.tab h3 code{font:700 11px var(--mono);color:#000;background:var(--amber);border-radius:4px;padding:2px 6px}
.tab p{margin:0;color:var(--muted);font-size:14px;line-height:1.5;display:none}
.tab.on{border-color:var(--amber);background:linear-gradient(180deg,rgba(251,139,30,.10),rgba(251,139,30,.02))}.tab.on p{display:block}
.view{position:sticky;top:96px;border-radius:14px;overflow:hidden;border:1px solid var(--line2);box-shadow:0 30px 90px -30px rgba(0,0,0,.9);background:#000}
.view img{width:100%;transition:opacity .35s}

.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:26px;position:relative;overflow:hidden;transition:border-color .25s,transform .25s}
.card:hover{border-color:rgba(251,139,30,.5);transform:translateY(-3px)}
.card .ic{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:rgba(251,139,30,.1);border:1px solid rgba(251,139,30,.3);margin-bottom:16px}
.card .ic svg{width:22px;height:22px;stroke:var(--amber);fill:none;stroke-width:1.8}
.card h3{margin:0 0 8px;font-size:18px}.card p{margin:0;color:var(--muted);font-size:15px}

/* principles */
.principles{background:radial-gradient(70% 60% at 50% 0,rgba(251,139,30,.10),transparent 70%),var(--bg2);border-block:1px solid var(--line)}
.rules{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;counter-reset:r}
.rules li{list-style:none;background:#050506;border:1px solid var(--line);border-radius:12px;padding:20px 22px 20px 64px;position:relative;color:#d3d7dc}
.rules li::before{counter-increment:r;content:"0" counter(r);position:absolute;left:20px;top:19px;font:700 15px var(--mono);color:var(--amber)}
.rules b{color:var(--text)}

/* comparison */
.vs{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:stretch}
.vs .col{border:1px solid var(--line);border-radius:var(--r);padding:30px;background:var(--panel)}
.vs .col.us{border-color:var(--amber);box-shadow:var(--glow)}
.vs .price{font:700 44px var(--mono);margin:8px 0}.vs .col:not(.us) .price{color:var(--dim);text-decoration:line-through;text-decoration-thickness:2px}
.vs ul{padding-left:18px;color:var(--muted);margin:14px 0 0}

/* pricing */
.toggle{display:inline-flex;border:1px solid var(--line2);border-radius:999px;padding:4px;margin-bottom:34px;background:var(--panel)}
.toggle button{border:0;background:none;color:var(--muted);padding:9px 18px;border-radius:999px;cursor:pointer;font:600 14px var(--sans)}
.toggle button.on{background:var(--amber);color:#000}.toggle em{font-style:normal;font-size:11px;margin-left:6px;color:var(--green)}
.toggle button.on em{color:#003d1f}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.plan{border:1px solid var(--line);border-radius:18px;padding:30px;background:var(--panel);display:flex;flex-direction:column}
.plan.best{border-color:var(--amber);box-shadow:var(--glow);position:relative}
.plan.best::before{content:"Le plus choisi";position:absolute;top:-12px;left:30px;background:var(--amber);color:#000;font:700 11px var(--mono);
  letter-spacing:.08em;padding:4px 10px;border-radius:999px;text-transform:uppercase}
.plan h3{margin:0;font-size:20px}.plan .for{color:var(--muted);font-size:14px;margin:4px 0 18px}
.plan .amt{font:700 46px var(--mono);letter-spacing:-.02em}.plan .amt small{font-size:15px;color:var(--muted);font-weight:400}
.plan .bill{color:var(--dim);font-size:13px;min-height:20px;margin-bottom:20px}
.plan ul{list-style:none;padding:0;margin:0 0 26px;display:flex;flex-direction:column;gap:9px;font-size:14.5px;color:#d1d5da}
.plan li{padding-left:24px;position:relative}.plan li::before{content:"";position:absolute;left:2px;top:7px;width:11px;height:6px;border-left:2px solid var(--green);border-bottom:2px solid var(--green);transform:rotate(-45deg)}
.plan .btn{margin-top:auto}
.legal-box{margin-top:28px;border:1px solid var(--line);border-left:3px solid var(--amber);border-radius:10px;padding:16px 18px;color:var(--muted);font-size:13.5px;background:#050506}

/* security */
.sec{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center}
.lock{aspect-ratio:1/1;max-width:420px;margin:auto;position:relative}
.lock canvas{width:100%;height:100%}

/* FAQ */
details{border-bottom:1px solid var(--line);padding:20px 0}
summary{cursor:pointer;font-weight:600;font-size:17px;list-style:none;display:flex;justify-content:space-between;gap:20px}
summary::-webkit-details-marker{display:none}summary::after{content:"+";color:var(--amber);font:400 24px var(--mono);line-height:1}
details[open] summary::after{content:"−"}details p{color:var(--muted);margin:12px 0 0;max-width:820px}

/* sign-up */
.signup{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
form{background:var(--panel);border:1px solid var(--line2);border-radius:18px;padding:28px}
label{display:block;font-size:13px;color:var(--muted);margin:0 0 6px}
input,select{width:100%;background:#000;border:1px solid var(--line2);border-radius:10px;color:var(--text);padding:12px 14px;font:15px var(--sans);margin-bottom:16px}
input:focus,select:focus{border-color:var(--amber);outline:none}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:#c9cdd3;margin-bottom:12px}.check input{width:auto;margin:3px 0 0}
.sso{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:18px}
.sso .btn{border-radius:10px;width:100%}
.or{display:flex;align-items:center;gap:12px;color:var(--dim);font-size:12px;margin:0 0 16px}.or::before,.or::after{content:"";flex:1;height:1px;background:var(--line2)}
.msg{font-size:14px;margin-top:12px;min-height:20px}
.steps{list-style:none;padding:0;margin:20px 0 0;display:flex;flex-direction:column;gap:14px}
.steps li{display:flex;gap:14px;align-items:flex-start;color:#d1d5da}.steps b{font:700 13px var(--mono);color:#000;background:var(--amber);border-radius:6px;padding:3px 8px;flex:none}

/* footer */
footer{border-top:1px solid var(--line);padding:50px 0 36px;color:var(--dim);font-size:13.5px;background:#030304}
footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px;margin-bottom:30px}
footer h4{color:var(--text);font-size:14px;margin:0 0 12px}footer ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}
footer a{color:var(--muted)}footer .risk{border-top:1px solid var(--line);padding-top:20px;line-height:1.55}

/* legal pages */
.doc{max-width:860px;margin:0 auto;padding:130px 20px 80px}
.doc h1{font-size:clamp(30px,4vw,44px);margin:0 0 6px}.doc .updated{color:var(--dim);font-size:13px;margin:0 0 30px}
.doc h2{font-size:22px;margin:36px 0 10px;letter-spacing:0}.doc h3{font-size:17px;margin:24px 0 8px}
.doc p,.doc li{color:#cfd3d8}.doc section{padding:0}

/* reveal on scroll */
.rv{opacity:0;transform:translateY(26px)}.rv.in{opacity:1;transform:none;transition:opacity .8s ease,transform .8s ease}

@media (max-width:980px){
  .nav ul,.nav .cta{display:none}.burger{display:block}
  .nav.open ul,.nav.open .cta{display:flex;position:absolute;left:0;right:0;background:#000;border-bottom:1px solid var(--line);padding:16px 20px}
  .nav.open ul{top:68px;flex-direction:column}.nav.open .cta{top:236px}
  .show,.sec,.signup,.vs{grid-template-columns:1fr}.view{position:relative;top:0}
  .grid3,.plans{grid-template-columns:1fr}.stats{grid-template-columns:repeat(2,1fr)}.rules{grid-template-columns:1fr}
  footer .cols{grid-template-columns:1fr}section{padding:80px 0}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}.rv{opacity:1;transform:none}.frame{transform:none}}
.doc .note{border-left:3px solid var(--amber);padding:10px 14px;background:#0a0a0c;color:var(--muted);font-size:14px}

/* duo sections (text + 3D) and roadmap */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.duo.rev>div:first-child{order:2}
.c3d{aspect-ratio:1/1;width:100%;max-width:540px;margin:auto;position:relative}
.c3d.wide{aspect-ratio:4/3}
.c3d canvas{width:100%;height:100%;display:block}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.chips span{font:600 12px var(--mono);color:var(--muted);border:1px solid var(--line2);border-radius:999px;padding:5px 11px}
.road{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.road .col{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:26px}
.road h3{display:flex;align-items:center;gap:10px;margin:0 0 16px;font-size:17px}
.road h3 i{width:10px;height:10px;border-radius:50%}
.road .now h3 i{background:var(--green);box-shadow:0 0 12px var(--green)}.road .wip h3 i{background:var(--amber);box-shadow:0 0 12px var(--amber);animation:pulse 2s infinite}
.road .next h3 i{background:var(--blue)}
.road ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;color:#cfd3d8;font-size:14.5px}
.road li{padding-left:16px;position:relative}.road li::before{content:"›";position:absolute;left:0;color:var(--amber)}
.road .wip{border-color:rgba(251,139,30,.45)}
.banner{display:flex;gap:14px;align-items:center;justify-content:center;flex-wrap:wrap;margin-top:34px;padding:16px 20px;border:1px dashed rgba(251,139,30,.45);border-radius:12px;color:var(--muted);font-size:14.5px;text-align:center}
.banner b{color:var(--text)}
@media (max-width:980px){.duo{grid-template-columns:1fr}.duo.rev>div:first-child{order:0}.road{grid-template-columns:1fr}}

.hp{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}