:root{
  --bg:#070b1a;--bg2:#0c1330;--card:#111a3d;--line:rgba(255,255,255,.09);
  --txt:#eef1ff;--mut:#9aa6d1;--cyan:#38e1ff;--vio:#8b6bff;--gold:#C9A961;
  --grad:linear-gradient(120deg,var(--cyan),var(--vio));
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--txt);font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{width:min(1120px,92%);margin-inline:auto}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* NAV */
header{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);background:rgba(7,11,26,.75);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:.7rem;font-weight:700}
.logo svg{width:34px;height:34px}
.logo .lt{display:flex;flex-direction:column;line-height:1.05;font-size:1.15rem;font-weight:800;letter-spacing:-.01em}
.logo .lt small{display:block;margin-top:3px;font-size:.7rem;font-weight:600;color:var(--txt);letter-spacing:.04em;white-space:nowrap}
.logo .lt small .grad{font-weight:800}
.nav ul{display:flex;gap:1.8rem;list-style:none;font-size:.92rem;color:var(--mut)}
.nav ul a:hover{color:var(--txt)}
.btn{display:inline-block;padding:.85rem 1.5rem;border-radius:999px;font-weight:600;font-size:.95rem;border:1px solid transparent;transition:.2s;cursor:pointer;font-family:inherit}
.btn-p{background:var(--grad);color:#05081a;box-shadow:0 8px 30px rgba(86,140,255,.35)}
.btn-p:hover{transform:translateY(-2px);box-shadow:0 12px 36px rgba(86,140,255,.5)}
.btn-g{border-color:var(--line);color:var(--txt);background:rgba(255,255,255,.03)}
.btn-g:hover{border-color:var(--cyan)}
.nav .btn{padding:.6rem 1.2rem;font-size:.88rem}

/* HERO */
.hero{position:relative;overflow:hidden;padding:7rem 0 6rem;text-align:center}
.hero:before{content:"";position:absolute;inset:-20% -10% auto -10%;height:700px;background:
  radial-gradient(600px 300px at 30% 30%,rgba(56,225,255,.18),transparent 70%),
  radial-gradient(600px 300px at 72% 20%,rgba(139,107,255,.22),transparent 70%);pointer-events:none}
.badge{display:inline-flex;align-items:center;gap:.5rem;padding:.4rem 1rem;border:1px solid rgba(201,169,97,.45);border-radius:999px;font-size:.78rem;color:var(--gold);background:rgba(201,169,97,.07);margin-bottom:1.6rem}
.badge i{width:7px;height:7px;border-radius:50%;background:var(--gold)}
.hero h1{font-size:clamp(2.3rem,5.6vw,4.3rem);max-width:900px;margin:0 auto 1.3rem}
.hero p.lead{max-width:640px;margin:0 auto 2.2rem;color:var(--mut);font-size:1.12rem}
.cta{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;max-width:760px;margin:4rem auto 0}
.stat{padding:1.2rem;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.025)}
.stat b{display:block;font-size:1.7rem}
.stat span{font-size:.82rem;color:var(--mut)}

/* SECTIONS */
section{padding:5.5rem 0}
.eyebrow{font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:var(--cyan);font-weight:600;margin-bottom:.8rem}
.sec-h{max-width:680px;margin-bottom:3rem}
.sec-h h2{font-size:clamp(1.8rem,3.6vw,2.7rem);margin-bottom:.9rem}
.sec-h p{color:var(--mut)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.card{position:relative;padding:1.9rem;border-radius:20px;border:1px solid var(--line);background:linear-gradient(180deg,var(--card),var(--bg2));transition:.25s;overflow:hidden}
.card:hover{transform:translateY(-5px);border-color:rgba(56,225,255,.45)}
.ico{width:50px;height:50px;border-radius:14px;display:grid;place-items:center;background:rgba(56,225,255,.1);border:1px solid rgba(56,225,255,.28);margin-bottom:1.2rem}
.ico svg{width:26px;height:26px;stroke:var(--cyan);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.card h3{font-size:1.2rem;margin-bottom:.6rem}
.card p{color:var(--mut);font-size:.95rem}
.card ul{list-style:none;margin-top:1rem;font-size:.88rem;color:#c3cdf2}
.card li{padding-left:1.3rem;position:relative;margin-bottom:.35rem}
.card li:before{content:"›";position:absolute;left:0;color:var(--cyan);font-weight:700}
.card.feat{grid-column:span 2;display:grid;grid-template-columns:1fr auto;gap:1.5rem;align-items:center;background:linear-gradient(120deg,rgba(56,225,255,.08),rgba(139,107,255,.14)),var(--card)}
.tag{display:inline-block;font-size:.7rem;padding:.2rem .65rem;border-radius:999px;background:var(--grad);color:#05081a;font-weight:700;margin-bottom:.8rem}
.wave{display:flex;align-items:center;gap:4px;height:60px}
.wave span{width:5px;border-radius:3px;background:var(--grad);animation:w 1.2s ease-in-out infinite}
.wave span:nth-child(odd){animation-delay:.2s}.wave span:nth-child(3n){animation-delay:.45s}
@keyframes w{0%,100%{height:12px}50%{height:56px}}

/* PROCESS */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;counter-reset:s}
.step{padding:1.6rem;border-top:2px solid var(--line);position:relative}
.step:before{counter-increment:s;content:"0" counter(s);font-size:2.2rem;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.step h3{margin:.4rem 0;font-size:1.05rem}
.step p{color:var(--mut);font-size:.9rem}

/* FILIALE */
.filiale{display:flex;align-items:center;justify-content:space-between;gap:2rem;flex-wrap:wrap;padding:2.4rem;border-radius:24px;border:1px solid rgba(201,169,97,.4);background:linear-gradient(120deg,rgba(201,169,97,.08),transparent)}
.filiale h3{font-size:1.5rem;margin-bottom:.4rem}
.filiale p{color:var(--mut);max-width:620px}
.filiale .g{color:var(--gold);font-weight:700}

/* CTA FINAL */
.final{text-align:center;padding:5rem 2rem;border-radius:28px;border:1px solid var(--line);background:radial-gradient(500px 220px at 50% 0%,rgba(139,107,255,.25),transparent 70%),var(--card)}
.final h2{font-size:clamp(1.8rem,3.6vw,2.7rem);margin-bottom:1rem}
.final p{color:var(--mut);max-width:520px;margin:0 auto 2rem}

footer{border-top:1px solid var(--line);padding:2.5rem 0;color:var(--mut);font-size:.85rem}
.foot{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;align-items:center}
footer .g{color:var(--gold)}

/* FORM */
.form-hero{padding:4.5rem 0 2rem;text-align:center}
.form-hero h1{font-size:clamp(2rem,4.5vw,3.2rem);margin-bottom:1rem}
.form-hero p{color:var(--mut);max-width:560px;margin:0 auto}
.form-box{max-width:820px;margin:2rem auto 5rem;padding:2.4rem;border-radius:24px;border:1px solid var(--line);background:linear-gradient(180deg,var(--card),var(--bg2))}
.row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.fld{margin-bottom:1.1rem}
label.l,legend{display:block;font-size:.85rem;font-weight:600;margin-bottom:.45rem;color:#d5dcff}
input[type=text],input[type=email],input[type=tel],select,textarea{width:100%;padding:.85rem 1rem;border-radius:12px;border:1px solid var(--line);background:rgba(7,11,26,.7);color:var(--txt);font:inherit;font-size:.95rem;transition:.2s}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,225,255,.15)}
textarea{min-height:120px;resize:vertical}
fieldset{border:0;margin-bottom:1.2rem}
.checks{display:grid;grid-template-columns:1fr 1fr;gap:.6rem}
.chk{display:flex;align-items:center;gap:.7rem;padding:.8rem 1rem;border:1px solid var(--line);border-radius:12px;cursor:pointer;font-size:.92rem;transition:.2s;background:rgba(7,11,26,.5)}
.chk:hover{border-color:rgba(56,225,255,.5)}
.chk input{accent-color:var(--cyan);width:17px;height:17px}
.chk:has(input:checked){border-color:var(--cyan);background:rgba(56,225,255,.08)}
.note{font-size:.78rem;color:var(--mut);margin-top:1rem;text-align:center}
.ok{display:none;text-align:center;padding:2rem 0}
.ok h2{margin-bottom:.6rem}
.hp{position:absolute;left:-9999px}

@media(max-width:900px){
  .grid,.steps{grid-template-columns:1fr 1fr}
  .card.feat{grid-column:span 2;grid-template-columns:1fr}
  .nav ul{display:none}
}
@media(max-width:600px){
  .grid,.steps,.row,.checks,.stats{grid-template-columns:1fr}
  .card.feat{grid-column:auto}
  .hero{padding:4.5rem 0 4rem}
  .form-box{padding:1.5rem}
}

/* ===== EFFETS 3D / TECH ===== */
#bg{position:fixed;inset:0;z-index:0;pointer-events:none}
main,footer,section{position:relative;z-index:1}
#methode{background:rgba(12,19,48,.72)!important;backdrop-filter:blur(2px)}
.logo svg{filter:drop-shadow(0 0 8px rgba(56,225,255,.55));animation:glow 3.2s ease-in-out infinite}
@keyframes glow{50%{filter:drop-shadow(0 0 16px rgba(139,107,255,.9))}}

/* Hero 3D */
.hero{perspective:1200px}
.hero .wrap{position:relative;z-index:2}
#orb{position:absolute;left:50%;top:46%;width:min(980px,130vw);aspect-ratio:1;transform:translate(-50%,-50%);opacity:.6;pointer-events:none;z-index:0}
.grid3d{position:absolute;left:-50%;right:-50%;bottom:-8%;height:52%;z-index:0;pointer-events:none;
  background-image:linear-gradient(rgba(56,225,255,.28) 1px,transparent 1px),linear-gradient(90deg,rgba(139,107,255,.28) 1px,transparent 1px);
  background-size:64px 64px;transform:perspective(420px) rotateX(64deg);transform-origin:50% 100%;
  -webkit-mask-image:linear-gradient(to top,#000 10%,transparent 85%);mask-image:linear-gradient(to top,#000 10%,transparent 85%);
  animation:gridmove 2.4s linear infinite}
@keyframes gridmove{to{background-position:0 64px,0 0}}
.hero h1,.hero p.lead{text-shadow:0 2px 24px rgba(7,11,26,.9)}
.hero h1 .grad{background:linear-gradient(110deg,#38e1ff,#8b6bff,#38e1ff);background-size:200% auto;-webkit-background-clip:text;background-clip:text;animation:shine 5s linear infinite}
@keyframes shine{to{background-position:200% center}}

/* Cubes filaires 3D */
.cube{--s:72px;position:absolute;width:var(--s);height:var(--s);transform-style:preserve-3d;z-index:1;pointer-events:none;animation:spin 16s linear infinite}
.cube i{position:absolute;inset:0;border:1.5px solid rgba(56,225,255,.65);background:rgba(56,225,255,.045);box-shadow:inset 0 0 18px rgba(139,107,255,.3),0 0 14px rgba(56,225,255,.2)}
.cube i:nth-child(1){transform:translateZ(calc(var(--s)/2))}
.cube i:nth-child(2){transform:rotateY(180deg) translateZ(calc(var(--s)/2))}
.cube i:nth-child(3){transform:rotateY(90deg) translateZ(calc(var(--s)/2))}
.cube i:nth-child(4){transform:rotateY(-90deg) translateZ(calc(var(--s)/2))}
.cube i:nth-child(5){transform:rotateX(90deg) translateZ(calc(var(--s)/2))}
.cube i:nth-child(6){transform:rotateX(-90deg) translateZ(calc(var(--s)/2))}
.cube.c1{left:8%;top:24%}
.cube.c2{--s:44px;right:10%;top:52%;animation-duration:11s;animation-direction:reverse}
.cube.c3{--s:30px;left:18%;bottom:14%;animation-duration:9s}
@keyframes spin{from{transform:perspective(700px) rotateX(-22deg) rotateY(0)}to{transform:perspective(700px) rotateX(-22deg) rotateY(360deg)}}

/* Ligne terminal */
.term{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.95rem;color:#bfeaff;margin:-.8rem auto 2rem;min-height:1.6em}
.term .pr{color:var(--cyan)}
.term .cur{display:inline-block;width:8px;height:1.05em;background:var(--cyan);vertical-align:-.15em;margin-left:3px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}

/* Cartes 3D */
.card{transform-style:preserve-3d;will-change:transform;transition:border-color .25s,box-shadow .25s,transform .18s ease-out}
.card:hover{box-shadow:0 22px 60px rgba(56,225,255,.12),0 0 0 1px rgba(56,225,255,.25)}
.card:before{content:"";position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .3s;
  background:radial-gradient(320px circle at var(--mx,50%) var(--my,50%),rgba(56,225,255,.16),transparent 60%)}
.card:hover:before{opacity:1}
.card:after{content:"";position:absolute;left:0;right:0;top:-40%;height:40%;pointer-events:none;
  background:linear-gradient(to bottom,transparent,rgba(56,225,255,.08),transparent);animation:scan 5s linear infinite}
@keyframes scan{to{top:140%}}
.ico{box-shadow:0 0 22px rgba(56,225,255,.18);transform:translateZ(30px)}

/* Révélation 3D au défilement */
.rv{opacity:0;transform:perspective(900px) translateY(36px) rotateX(10deg);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.2,1)!important}
.rv.in{opacity:1;transform:none}

@media(max-width:900px){.cube{display:none}.grid3d{height:40%}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.rv{opacity:1;transform:none}}