:root{
  /* Charte Axians (theme clair) */
  --bg:#FAFAFB; --panel:#FFFFFF; --panel2:#FFFFFF;
  --line:#E4E4E7; --line2:#D4D4D8;
  --text:#18181B; --muted:#52525B; --muted2:#8B8B95;
  --purple:#7B5BFE; --purple-h:#8E70FF; --purple-a:#6240E6; --purple-d:#4F0DCD;
  --blue:#04B0FE; --green:#10B981; --yellow:#F59E0B; --red:#EF4444;
  /* alias compat (gradients existants) */
  --cyan:#7B5BFE; --cyan-d:#6240E6; --violet:#8E70FF; --gold:#F59E0B; --nv:#10B981; --warn:#F59E0B; --rose:#04B0FE;
  --ff:'Segoe UI',system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;overflow:hidden}
body{font-family:var(--ff);background:var(--bg);color:var(--text);height:100dvh;width:100vw;overflow:hidden;
  -webkit-font-smoothing:antialiased;position:relative;display:flex;flex-direction:column;
  padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}
.sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
#bg{position:fixed;inset:0;z-index:0;display:block}
.grain{position:fixed;inset:0;z-index:1;pointer-events:none;
  background:radial-gradient(1200px 700px at 82% -12%,rgba(123,91,254,.10),transparent 60%),
             radial-gradient(1000px 800px at 10% 112%,rgba(4,176,254,.08),transparent 55%)}

/* header */
header{position:relative;z-index:5;display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:12px clamp(12px,3vw,34px)}
.brand{display:flex;align-items:center;gap:12px;cursor:pointer;user-select:none}
.logo{width:38px;height:38px;flex:0 0 auto}
.brand .nm{font-size:20px;letter-spacing:.14em;font-weight:700;color:var(--text)}
.brand .nm b{color:var(--purple)}
.brand small{display:block;font-size:10.5px;letter-spacing:.02em;color:var(--muted);font-weight:500}
.spacer{flex:1 1 20px}
.toggles{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.toggle{display:flex;background:var(--panel);border:1px solid var(--line);border-radius:999px;padding:4px;gap:2px;align-items:center;box-shadow:0 1px 2px rgba(24,24,27,.05)}
.toggle button{border:0;background:transparent;color:var(--muted);font:600 12px/1 var(--ff);padding:8px 14px;border-radius:999px;cursor:pointer;transition:.18s;white-space:nowrap}
.toggle button.on{background:linear-gradient(120deg,var(--purple-a),var(--purple-h));color:#fff;box-shadow:0 4px 14px rgba(123,91,254,.32)}
.toggle .lbl{color:var(--muted2);font-size:9.5px;letter-spacing:.13em;text-transform:uppercase;margin:0 6px 0 8px}
.btn-contact{border:0;cursor:pointer;font:700 12.5px var(--ff);color:#fff;padding:10px 18px;border-radius:999px;
  background:linear-gradient(120deg,var(--purple-a),var(--purple-h));box-shadow:0 6px 18px rgba(123,91,254,.35)}
.btn-contact:hover{filter:brightness(1.05)}

/* stage */
main{position:relative;z-index:4;flex:1;display:flex;min-height:0;padding:0 clamp(10px,2.4vw,30px) 4px;gap:14px}
.rail{position:absolute;left:clamp(10px,2.4vw,30px);top:0;bottom:0;z-index:5;display:flex;flex-direction:column;justify-content:center;gap:10px;padding:6px 0}
.rail .rlbl{font-size:10px;letter-spacing:.16em;color:var(--muted2);text-transform:uppercase;text-align:center;margin-bottom:2px}
.seg{position:relative;width:120px;border:1px solid var(--line);background:var(--panel);border-radius:14px;padding:11px 12px;cursor:pointer;transition:.18s;text-align:left;box-shadow:0 1px 2px rgba(24,24,27,.05)}
.seg:hover{border-color:var(--purple-200,#C7B5FF);transform:translateY(-1px)}
.seg.on{border-color:var(--purple);background:rgba(123,91,254,.08);box-shadow:0 0 0 1px var(--purple) inset,0 8px 22px rgba(123,91,254,.12)}
.seg .st{font-weight:700;font-size:14px;color:var(--text)}
.seg .ss{font-size:10.5px;color:var(--muted);margin-top:3px;line-height:1.3}
.stage{flex:1;min-width:0;display:flex;align-items:center;justify-content:center}
svg.map{width:100%;height:100%;max-height:100%;display:block}
.plate{cursor:pointer}
.plate .body{transition:filter .18s}
.plate:hover .body{filter:brightness(1.06)}
.plate:hover .glow{opacity:.55}
.glow{opacity:0;transition:opacity .2s}
.flow{stroke-dasharray:5 9;animation:dash 1.1s linear infinite}
@keyframes dash{to{stroke-dashoffset:-28}}

/* bottom banner */
.banner{position:relative;z-index:5;display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:center;
  padding:9px clamp(12px,3vw,34px);border-top:1px solid var(--line);background:rgba(255,255,255,.75);backdrop-filter:blur(6px)}
.banner .msg{font-size:12.5px;color:var(--muted)}
.banner .msg b{color:var(--text)}
.banner .trust{display:flex;gap:7px;flex-wrap:wrap}
.chip{font-size:10.5px;padding:5px 10px;border-radius:999px;border:1px solid var(--line);color:var(--muted);background:#F4F4F5}
.banner .go{margin-left:4px;border:0;cursor:pointer;font:700 12.5px var(--ff);color:#fff;padding:10px 18px;border-radius:11px;
  background:linear-gradient(120deg,var(--purple-a),var(--purple-h));box-shadow:0 6px 18px rgba(123,91,254,.35)}
.banner .go:hover{filter:brightness(1.05)}

/* detail panel */
.scrim{position:fixed;inset:0;z-index:20;background:rgba(24,24,27,.35);backdrop-filter:blur(2px);opacity:0;pointer-events:none;transition:.22s}
.scrim.open{opacity:1;pointer-events:auto}
.panel{position:fixed;z-index:21;top:0;right:0;height:100dvh;width:min(600px,95vw);
  background:var(--panel);border-left:1px solid var(--line);
  box-shadow:-30px 0 80px rgba(24,24,27,.18);transform:translateX(104%);transition:transform .3s cubic-bezier(.4,.9,.3,1);display:flex;flex-direction:column}
.panel.open{transform:translateX(0)}
.phead{display:flex;align-items:center;gap:12px;padding:20px 22px 14px;border-bottom:1px solid var(--line)}
.pico{width:40px;height:40px;flex:0 0 auto;border-radius:11px;display:grid;place-items:center;background:rgba(123,91,254,.1);border:1px solid var(--line)}
.phead .pt{margin:0;font-size:18px;font-weight:700;color:var(--text)}
.phead .pst{font-size:11.5px;color:var(--muted);margin-top:2px}
.pclose{margin-left:auto;background:#F4F4F5;border:1px solid var(--line);color:var(--muted);width:34px;height:34px;border-radius:10px;cursor:pointer;font-size:17px;line-height:1;transition:.15s}
.pclose:hover{color:var(--text);border-color:var(--purple)}
.pbody{padding:18px 22px 30px;overflow-y:auto;overflow-x:hidden;flex:1;scrollbar-width:thin;scrollbar-color:var(--line2) transparent}
.pbody::-webkit-scrollbar{width:8px}.pbody::-webkit-scrollbar-thumb{background:var(--line2);border-radius:8px}
.lead{font-size:13.5px;line-height:1.6;color:#3f3f46;margin:0 0 16px}
.lead b{color:var(--text)}

/* cards */
.cards{display:grid;gap:10px}
.c{border:1px solid var(--line);background:#FFFFFF;border-radius:12px;padding:13px 14px;box-shadow:0 1px 2px rgba(24,24,27,.04)}
.c.nv{border-color:rgba(16,185,129,.4);background:rgba(16,185,129,.05)}
.c.warn{border-color:rgba(245,158,11,.45);background:rgba(245,158,11,.06)}
.c h4{margin:0 0 4px;font-size:13.5px;display:flex;align-items:center;gap:8px;color:var(--text)}
.c h4 .dot{width:7px;height:7px;border-radius:50%;background:var(--purple);flex:0 0 auto}
.c h4 .badge{margin-left:auto;font-size:9px;font-weight:800;letter-spacing:.05em;padding:3px 7px;border-radius:7px;background:var(--green);color:#06231a}
.c h4 .badge.w{background:var(--yellow);color:#3a2606}
.c h3 .badge{margin-left:8px;font-size:9px;font-weight:800;letter-spacing:.05em;padding:3px 7px;border-radius:7px;background:var(--green);color:#06231a;white-space:nowrap;vertical-align:middle}
.c h3 .badge.w{background:var(--yellow);color:#3a2606}
.c p{margin:0;font-size:12.4px;line-height:1.55;color:var(--muted)}
.c p b{color:var(--text);font-weight:600}
.tagrow{display:flex;flex-wrap:wrap;gap:6px;margin-top:9px}
.tag{font-size:10.5px;padding:4px 9px;border-radius:999px;border:1px solid var(--line);color:#3f3f46;background:#F4F4F5}
.tag.v{border-color:rgba(123,91,254,.35);background:rgba(123,91,254,.1);color:var(--purple-a)}
.tag.c{border-color:rgba(4,176,254,.35);background:rgba(4,176,254,.1);color:#0b7fc0}
.tag.g{border-color:rgba(245,158,11,.4);background:rgba(245,158,11,.12);color:#b45309}
.tag.n{border-color:rgba(16,185,129,.4);background:rgba(16,185,129,.12);color:#047857}
.tag.w{border-color:rgba(245,158,11,.4);background:rgba(245,158,11,.12);color:#b45309}

/* carousel */
.carowrap{position:relative;margin:2px 0 14px}
.carousel{display:flex;gap:10px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding:2px 0}
.carousel::-webkit-scrollbar{display:none}
.citem{position:relative;flex:0 0 84%;height:184px;border-radius:14px;overflow:hidden;scroll-snap-align:center;cursor:pointer;
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line)}
.citem .shot{flex:1;min-height:0;background-color:#f5f5f7;background-repeat:no-repeat;background-position:center;background-size:contain;
  background-image:linear-gradient(135deg,var(--g1,#7B5BFE),var(--g2,#04B0FE))}
.citem .cap{padding:9px 12px;background:#fff;border-top:1px solid var(--line)}
.citem .cap b{display:block;font-size:14px;color:var(--text);line-height:1.2}
.citem .cap span{font-size:11px;color:var(--muted)}
.citem.active{outline:3px solid var(--purple);outline-offset:-3px}
.citem.active .cap{background:var(--purple);}
.citem.active .cap b,.citem.active .cap span{color:#fff}
.carrow{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:40px;height:40px;border:2px solid #fff;border-radius:50%;
  background:linear-gradient(135deg,var(--purple-a),var(--purple-h));color:#fff;cursor:pointer;font-size:21px;line-height:1;font-weight:700;display:grid;place-items:center;transition:.15s;box-shadow:0 4px 12px rgba(123,91,254,.38)}
.carrow:hover{filter:brightness(1.08)}
.carrow:active{transform:translateY(-50%) scale(.94)}
.carrow.p{left:2px}.carrow.n{right:2px}

/* hardware specs */
.hwsel-note{font-size:11px;color:var(--muted2);margin:-6px 0 10px}
.specs{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:12px}
.spec{border:1px solid var(--line);border-radius:10px;padding:9px 11px;background:#FAFAFB}
.spec .k{font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted2)}
.spec .val{font-size:12.5px;font-weight:600;margin-top:3px;color:var(--text)}
.fitline{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted);margin:8px 0 4px}
.fitline b{color:var(--purple-a)}
.bar{height:6px;border-radius:6px;background:var(--line);overflow:hidden;margin:6px 0 12px}
.bar>i{display:block;height:100%;background:linear-gradient(90deg,var(--purple),var(--blue))}
.flowmini{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin:4px 0 16px;font-size:11px;color:var(--muted)}
.flowmini .n{border:1px solid var(--line);padding:5px 9px;border-radius:8px;background:#F4F4F5;color:var(--text);font-weight:600}
.flowmini .a{color:var(--purple);font-weight:700}
.foot{margin-top:18px;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.foot .cta{background:linear-gradient(120deg,var(--purple-a),var(--purple-h));color:#fff;border:0;padding:11px 18px;border-radius:11px;font:700 13px var(--ff);cursor:pointer;text-decoration:none;display:inline-block;box-shadow:0 6px 18px rgba(123,91,254,.3)}
.foot small{color:var(--muted2);font-size:11px}

/* contact modal */
.cmodal{position:fixed;z-index:31;left:50%;top:50%;transform:translate(-50%,-46%) scale(.96);opacity:0;pointer-events:none;
  width:min(520px,94vw);max-height:92dvh;overflow-y:auto;background:#FFFFFF;
  border:1px solid var(--line);border-radius:18px;box-shadow:0 40px 100px rgba(24,24,27,.28);transition:.24s;padding:22px 22px 20px}
.cmodal.open{opacity:1;pointer-events:auto;transform:translate(-50%,-50%) scale(1)}
.cmodal h3{margin:0 0 4px;font-size:19px;color:var(--text)}
.cmodal .csub{font-size:12.5px;color:var(--muted);line-height:1.5;margin:0 0 14px}
.cx{position:absolute;top:14px;right:14px;background:#F4F4F5;border:1px solid var(--line);color:var(--muted);width:32px;height:32px;border-radius:9px;cursor:pointer;font-size:16px}
.frm{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.field{display:flex;flex-direction:column;gap:5px}
.field.full{grid-column:1 / -1}
.field label{font-size:10.5px;letter-spacing:.06em;color:var(--muted2);text-transform:uppercase}
.field input,.field select{background:#FFFFFF;border:1px solid var(--line2);color:var(--text);border-radius:10px;padding:11px 12px;font:500 13px var(--ff);outline:none;transition:.15s;width:100%}
.field input:focus,.field select:focus{border-color:var(--purple);box-shadow:0 0 0 3px rgba(123,91,254,.15)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.csend{grid-column:1 / -1;margin-top:4px;border:0;cursor:pointer;color:#fff;font:700 14px var(--ff);padding:13px;border-radius:12px;
  background:linear-gradient(120deg,var(--purple-a),var(--purple-h));box-shadow:0 8px 22px rgba(123,91,254,.32)}
.csend:hover{filter:brightness(1.05)}
.csend:disabled{opacity:.6;cursor:default}
.creassure{grid-column:1 / -1;font-size:11px;color:var(--muted2);text-align:center;margin-top:2px}
.ctrust{grid-column:1 / -1;display:flex;gap:6px;flex-wrap:wrap;justify-content:center;margin-top:8px}
.cok{text-align:center;padding:24px 6px}
.cok .mk{width:56px;height:56px;margin:0 auto 14px;border-radius:50%;display:grid;place-items:center;background:rgba(16,185,129,.12);border:1px solid rgba(16,185,129,.5)}
.cok h3{font-size:18px;margin:0 0 8px;color:var(--text)}
.cok p{font-size:13px;color:var(--muted);line-height:1.6;margin:0}
.cerr{grid-column:1 / -1;font-size:12px;color:var(--red);text-align:center;min-height:14px}

/* responsive */
@media (max-width:900px){
  header{gap:9px;padding:10px 13px}
  .brand .nm{font-size:17px}.brand small{display:none}
  .toggle .lbl{display:none}
  .toggle button{padding:7px 11px;font-size:11px}
  .btn-contact{padding:8px 13px;font-size:11.5px}
  main{flex-direction:column;gap:8px;padding:0 10px 3px}
  .rail{position:static;flex-direction:row;justify-content:center;order:2;gap:7px;padding:2px 0}
  .rail .rlbl{display:none}
  .seg{width:auto;flex:1;padding:8px 9px;border-radius:11px}
  .seg .ss{display:none}
  .seg .st{font-size:12.5px;text-align:center}
  .stage{order:1;flex:1;overflow-x:auto;overflow-y:visible;justify-content:flex-start;align-items:flex-start;-webkit-overflow-scrolling:touch;scroll-snap-type:x proximity}
  .stage #map{width:175vw;min-width:560px;max-width:760px;height:auto;max-height:none}
  .seg{padding:11px 10px}
  .seg .st{font-size:13.5px}
  .panel{width:100vw;border-left:0;border-top:1px solid var(--line);top:auto;bottom:0;height:90dvh;border-radius:20px 20px 0 0;transform:translateY(104%)}
  .panel.open{transform:translateY(0)}
  .banner{gap:9px;padding:8px 12px}
  .banner .msg{font-size:11px;text-align:center;flex:1 1 100%}
  .banner .trust{display:none}
  .citem{flex-basis:88%}
}
@media (max-height:600px){ .seg .ss{display:none} .banner .msg{display:none} }

/* ---- Axians : accessibilite, RGPD, fluidite ---- */
.citem .cap b{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.field label{color:var(--muted)}
.consent{font-size:11.5px;line-height:1.5}
.cbx{display:flex;gap:8px;align-items:flex-start;cursor:pointer;color:var(--muted)}
.cbx input{margin-top:2px;accent-color:var(--purple);width:16px;height:16px;flex:0 0 auto}
.lk{background:none;border:0;color:var(--purple);cursor:pointer;text-decoration:underline;font:inherit;padding:0}
.lk:hover{color:var(--purple-a)}
.cmodal.legal h4{margin:14px 0 4px;font-size:13px;color:var(--text)}
.cmodal.legal p{margin:0;font-size:12.3px;color:var(--muted);line-height:1.55}
:focus-visible{outline:2px solid var(--purple);outline-offset:2px;border-radius:4px}
.plate:focus{outline:none}
.plate:focus-visible{outline:2px solid var(--purple)}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .flow{animation:none !important}
  #bg{display:none}
}

.field .cbx{text-transform:none;letter-spacing:normal;font-size:11.5px;font-weight:400;line-height:1.5}

.carviewport{overflow:hidden;position:relative;padding:2px 0}
.cartrack{display:flex;gap:10px;will-change:transform;transform:translateX(0)}
.cartrack.anim{transition:transform .4s cubic-bezier(.4,.9,.3,1)}
.cartrack .citem{flex:0 0 auto}

.btn-nav{border:1px solid var(--line);background:var(--panel);color:var(--muted);font:600 12.5px var(--ff);padding:9px 18px;border-radius:999px;cursor:pointer;text-decoration:none;transition:.15s;box-shadow:0 1px 2px rgba(24,24,27,.05)}
.btn-nav:hover{border-color:var(--purple);color:var(--purple)}

/* signal d'interactivite des plaques */
@keyframes breathe{0%,100%{opacity:0}50%{opacity:.30}}
@keyframes nudge{0%,100%{transform:translateX(0)}50%{transform:translateX(5px)}}
.glow.hintpulse{animation:breathe 3.2s ease-in-out infinite}
.plate:hover .glow.hintpulse{animation:none;opacity:.55}
.chev{animation:nudge 1.5s ease-in-out infinite}
.hint b{color:var(--purple)}

/* ---- section intro : titre + 4 cas d'usage ---- */
.intro{position:relative;z-index:5;text-align:center;padding:6px clamp(10px,2.4vw,30px) 2px;flex:0 0 auto}
.intro .htitle{font-size:18px;font-weight:700;color:var(--text);margin:0;line-height:1.25}
.intro .hsub{font-size:12.5px;color:var(--muted);margin:3px 0 9px}
.usecases{display:flex;gap:16px;justify-content:center;align-items:stretch;max-width:1400px;margin:0 auto;flex-wrap:nowrap}
.usecases .uc{position:relative;flex:1 1 0;min-width:0;margin:0;border-radius:14px;transition:transform .18s,box-shadow .18s}
.usecases .uc img{width:100%;height:auto;display:block;border:1px solid var(--line);border-radius:14px;box-shadow:0 2px 10px rgba(24,24,27,.05)}
.usecases .uclab{position:absolute;left:0;right:0;bottom:0;height:15%;min-height:36px;display:flex;align-items:center;justify-content:center;background:linear-gradient(90deg,#7B5BFE,#04B0FE);color:#fff;font-weight:700;font-size:clamp(15px,1.15vw,22px);letter-spacing:.01em;border-radius:0 0 14px 14px;pointer-events:none}
.usecases .uc:hover{transform:translateY(-3px)}
.usecases .uc:hover img{box-shadow:0 10px 26px rgba(123,91,254,.16)}
a.uc{display:block;cursor:pointer}
a.uc:focus-visible{outline:none;transform:translateY(-3px)}
a.uc:focus-visible img{box-shadow:0 0 0 3px var(--purple),0 10px 26px rgba(123,91,254,.16)}
@media (min-width:1400px){
  .usecases{max-width:1400px;gap:16px}
}
@media (max-width:900px){
  .intro{padding:4px 10px 2px}
  .intro .htitle{font-size:15px}
  .intro .hsub{font-size:11.5px;margin:2px 0 8px}
  .usecases{flex-wrap:wrap;gap:9px;max-width:520px}
  .usecases .uc{flex:1 1 45%}
}
@media (max-width:480px){
  .usecases{gap:7px;max-width:340px}
  .usecases .uc{flex:1 1 45%}
}