:root{
  --bg:#04070a;--bg-2:#070b10;
  --panel:rgba(255,255,255,.045);--panel-brd:rgba(45,230,200,.16);
  --turq:#2ee6c8;--turq-deep:#13b89e;--turq-glow:rgba(46,230,200,.55);--blue:#1bd1e6;
  --ink:#eaf6f3;--muted:#8ba39d;--muted-dim:#5f746e;
  --radius:20px;--ease:cubic-bezier(.22,.61,.36,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{font-family:"Hanken Grotesk",sans-serif;background:var(--bg);color:var(--ink);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;max-width:100vw}

/* ---- background immersif ---- */
.aurora{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none}
.aurora span{position:absolute;border-radius:50%;filter:blur(90px);opacity:.55;mix-blend-mode:screen}
.a1{width:46vw;height:46vw;background:radial-gradient(circle,var(--turq),transparent 65%);top:-12vw;right:-8vw;animation:drift1 18s ease-in-out infinite}
.a2{width:40vw;height:40vw;background:radial-gradient(circle,#0e7bd4,transparent 65%);bottom:-14vw;left:-10vw;animation:drift2 22s ease-in-out infinite}
.a3{width:32vw;height:32vw;background:radial-gradient(circle,var(--blue),transparent 60%);top:40%;left:50%;opacity:.3;animation:drift3 26s ease-in-out infinite}
@keyframes drift1{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(-6vw,5vw) scale(1.12)}}
@keyframes drift2{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(6vw,-4vw) scale(1.1)}}
@keyframes drift3{0%,100%{transform:translate(-50%,0) scale(1)}50%{transform:translate(-40%,-8vw) scale(1.2)}}
.grid-fade{position:fixed;inset:0;z-index:0;pointer-events:none;background-image:linear-gradient(rgba(46,230,200,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(46,230,200,.05) 1px,transparent 1px);background-size:54px 54px;-webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 30%,transparent 75%);mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 30%,transparent 75%)}
.noise{position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.04;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.cursor-glow{position:fixed;width:520px;height:520px;border-radius:50%;z-index:1;pointer-events:none;background:radial-gradient(circle,rgba(46,230,200,.10),transparent 65%);transform:translate(-50%,-50%);will-change:left,top}

/* ---- header / nav ---- */
header{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:16px clamp(18px,5vw,60px);transition:.4s var(--ease)}
header.scrolled{background:rgba(4,7,10,.6);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid rgba(46,230,200,.1);padding-top:11px;padding-bottom:11px}
.brand{display:flex;align-items:center;gap:13px;text-decoration:none}
.brand .mark{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;flex-shrink:0;background:linear-gradient(135deg,var(--turq),var(--turq-deep));box-shadow:0 0 24px var(--turq-glow)}
.brand .mark svg{width:24px;height:24px}
.brand .name{font-family:"Syne",sans-serif;font-weight:700;font-size:1.12rem;color:var(--ink);line-height:1.05}
.brand .name small{display:block;font-family:"Hanken Grotesk";font-weight:500;font-size:.6rem;letter-spacing:.26em;text-transform:uppercase;color:var(--turq)}
nav{display:flex;align-items:center;gap:4px}
.nav-link{background:none;border:none;cursor:pointer;font-family:inherit;font-size:.92rem;font-weight:500;color:var(--muted);padding:9px 16px;border-radius:999px;transition:.3s var(--ease);text-decoration:none}
.nav-link:hover{color:var(--ink)}
.nav-link.active{color:#04201b;background:var(--turq);font-weight:600;box-shadow:0 0 20px var(--turq-glow)}
.nav-cta{margin-left:8px;background:transparent;color:var(--turq);padding:10px 22px;border-radius:999px;border:1px solid rgba(46,230,200,.4);cursor:pointer;font-family:inherit;font-weight:600;font-size:.92rem;transition:.3s var(--ease);text-decoration:none}
.nav-cta:hover{background:rgba(46,230,200,.12);box-shadow:0 0 24px var(--turq-glow);transform:translateY(-2px)}
.burger{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:5px;padding:6px}
.burger span{width:26px;height:2px;background:var(--turq);border-radius:2px;transition:.3s var(--ease)}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---- conteneur de page + transitions ---- */
main{position:relative;z-index:2;animation:pageEnter .55s var(--ease) both}
@keyframes pageEnter{from{opacity:0;transform:translateY(16px) scale(.99);filter:blur(5px)}to{opacity:1;transform:none;filter:blur(0)}}
body.leaving main{animation:none;opacity:0;transform:scale(.99) translateY(-8px);filter:blur(5px);transition:opacity .28s var(--ease),transform .28s var(--ease),filter .28s var(--ease)}
.container{padding:128px clamp(18px,5vw,60px) 80px;max-width:1200px;margin:0 auto;min-height:100vh;min-height:100svh}

.reveal{animation:rise .85s var(--ease) both}
@keyframes rise{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.d1{animation-delay:.06s}.d2{animation-delay:.16s}.d3{animation-delay:.26s}.d4{animation-delay:.36s}.d5{animation-delay:.46s}.d6{animation-delay:.56s}

.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:.72rem;font-weight:600;letter-spacing:.24em;text-transform:uppercase;color:var(--turq);margin-bottom:22px}
.eyebrow::before{content:"";width:30px;height:1.5px;background:linear-gradient(90deg,var(--turq),transparent)}
h1{font-family:"Syne",sans-serif;font-weight:800;color:var(--ink);line-height:1;font-size:clamp(2.7rem,7vw,5.6rem);letter-spacing:-.02em}
h1 em{font-style:normal;background:linear-gradient(120deg,var(--turq),var(--blue));-webkit-background-clip:text;background-clip:text;color:transparent}
h2{font-family:"Syne",sans-serif;font-weight:700;color:var(--ink);font-size:clamp(2rem,4.6vw,3.4rem);line-height:1.05;letter-spacing:-.015em}
.lead{font-size:clamp(1.05rem,1.6vw,1.28rem);color:var(--muted);max-width:48ch}

.btn{font-family:inherit;font-weight:600;font-size:1rem;cursor:pointer;padding:15px 32px;border-radius:999px;border:none;transition:.35s var(--ease);text-decoration:none;display:inline-block}
.btn-primary{background:linear-gradient(120deg,var(--turq),var(--turq-deep));color:#04201b;box-shadow:0 0 30px var(--turq-glow)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 0 46px var(--turq-glow)}
.btn-ghost{background:rgba(255,255,255,.04);color:var(--ink);border:1px solid rgba(46,230,200,.3);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.btn-ghost:hover{border-color:var(--turq);transform:translateY(-3px);box-shadow:0 0 26px var(--turq-glow)}

/* ---- hero (accueil) ---- */
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-text p.lead{margin:26px 0 38px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.stats{display:flex;gap:40px;margin-top:56px;flex-wrap:wrap}
.stat b{display:block;font-family:"Syne",sans-serif;font-weight:700;font-size:2rem;line-height:1;background:linear-gradient(120deg,var(--turq),var(--blue));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{font-size:.84rem;color:var(--muted-dim)}
.hero-visual{position:relative;aspect-ratio:1;display:grid;place-items:center}
.orb{width:78%;aspect-ratio:1;border-radius:50%;position:relative;background:radial-gradient(circle at 32% 28%,rgba(46,230,200,.5),transparent 55%),radial-gradient(circle at 70% 75%,rgba(27,209,230,.4),transparent 55%),radial-gradient(circle,#0a1a1d,#05090c 75%);box-shadow:inset 0 0 60px rgba(46,230,200,.3),0 0 90px rgba(46,230,200,.25);display:grid;place-items:center;animation:floaty 7s ease-in-out infinite}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-16px)}}
.orb .ekg{width:70%}
.orb .ekg path{stroke:var(--turq);stroke-width:2.4;fill:none;filter:drop-shadow(0 0 6px var(--turq-glow));stroke-dasharray:260;stroke-dashoffset:260;animation:trace 3.4s var(--ease) infinite}
@keyframes trace{0%{stroke-dashoffset:260}55%{stroke-dashoffset:0}100%{stroke-dashoffset:-260}}
.ring{position:absolute;border:1px solid rgba(46,230,200,.22);border-radius:50%}
.ring.r1{inset:-4%;animation:spin 24s linear infinite}
.ring.r2{inset:-13%;border-style:dashed;border-color:rgba(46,230,200,.12);animation:spin 40s linear infinite reverse}
@keyframes spin{to{transform:rotate(360deg)}}
.ring.r1::after{content:"";position:absolute;top:-6px;left:calc(50% - 6px);width:12px;height:12px;border-radius:50%;background:var(--turq);box-shadow:0 0 16px var(--turq-glow)}
.float-chip{position:absolute;z-index:3;background:rgba(8,14,18,.7);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid var(--panel-brd);border-radius:14px;padding:11px 16px;display:flex;align-items:center;gap:9px;font-size:.86rem;font-weight:600;color:var(--ink);box-shadow:0 12px 30px rgba(0,0,0,.4)}
.float-chip svg{width:17px;height:17px;color:var(--turq)}
.chip-1{top:6%;left:-4%;animation:bob 5s ease-in-out infinite}
.chip-2{bottom:10%;right:-6%;animation:bob 6s ease-in-out infinite .6s}
.chip-3{bottom:36%;left:-10%;animation:bob 5.5s ease-in-out infinite .3s}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.live-dot{width:9px;height:9px;border-radius:50%;background:var(--turq);box-shadow:0 0 0 0 var(--turq-glow);animation:beat 1.8s infinite}
@keyframes beat{0%{box-shadow:0 0 0 0 var(--turq-glow)}70%{box-shadow:0 0 0 9px rgba(46,230,200,0)}100%{box-shadow:0 0 0 0 rgba(46,230,200,0)}}

.sec-head{max-width:640px;margin-bottom:52px}
.sec-head p{margin-top:16px;color:var(--muted);font-size:1.06rem}

.glass{background:var(--panel);border:1px solid var(--panel-brd);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-radius:var(--radius)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(264px,1fr));gap:22px}
.card{padding:32px 30px;position:relative;overflow:hidden;transition:.4s var(--ease)}
.card::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;background:linear-gradient(140deg,var(--turq),transparent 45%);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .4s var(--ease)}
.card:hover{transform:translateY(-8px);background:rgba(46,230,200,.06)}
.card:hover::before{opacity:1}
.card .ico{width:54px;height:54px;border-radius:15px;display:grid;place-items:center;margin-bottom:20px;background:rgba(46,230,200,.12);color:var(--turq);box-shadow:inset 0 0 18px rgba(46,230,200,.18)}
.card .ico svg{width:26px;height:26px}
.card h3{font-family:"Syne",sans-serif;font-weight:600;font-size:1.24rem;color:var(--ink);margin-bottom:10px}
.card p{font-size:.95rem;color:var(--muted)}

.zone{margin-top:56px;padding:46px clamp(26px,4vw,54px);display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:center;position:relative;overflow:hidden}
.zone::after{content:"";position:absolute;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(46,230,200,.3),transparent 70%);right:-70px;top:-90px;filter:blur(20px)}
.zone h2{font-size:clamp(1.7rem,3vw,2.4rem)}
.zone p{color:var(--muted);margin-top:14px}
.zone .places{display:flex;flex-wrap:wrap;gap:10px;position:relative;z-index:1}
.zone .places span{background:rgba(46,230,200,.08);border:1px solid rgba(46,230,200,.18);padding:8px 16px;border-radius:999px;font-size:.85rem;font-weight:500;color:var(--ink);transition:.3s var(--ease)}
.zone .places span:hover{background:rgba(46,230,200,.18);box-shadow:0 0 16px var(--turq-glow)}

.about{display:grid;grid-template-columns:.82fr 1.18fr;gap:58px;align-items:center}
.about-portrait{aspect-ratio:3/4;border-radius:26px;position:relative;overflow:hidden;background:linear-gradient(160deg,rgba(46,230,200,.14),rgba(8,14,18,.6));border:1px solid var(--panel-brd);box-shadow:0 0 60px rgba(46,230,200,.12);display:grid;place-items:end center}
.about-portrait svg{width:82%}
.about-portrait .badge{position:absolute;top:22px;left:22px;font-family:"Syne",sans-serif;font-weight:600;font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:#04201b;background:var(--turq);padding:8px 16px;border-radius:999px;box-shadow:0 0 22px var(--turq-glow)}
.about-text>p{color:var(--muted);margin-top:18px;font-size:1.04rem}
.creds{margin-top:30px;display:grid;gap:14px}
.cred{display:flex;gap:14px;align-items:flex-start}
.cred .chk{width:28px;height:28px;border-radius:9px;background:rgba(46,230,200,.14);color:var(--turq);display:grid;place-items:center;flex-shrink:0;margin-top:2px;box-shadow:inset 0 0 12px rgba(46,230,200,.2)}
.cred .chk svg{width:15px;height:15px}
.cred b{color:var(--ink)}.cred span{color:var(--muted);font-size:.95rem}

.contact-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:48px;align-items:start}
.contact-info{display:grid;gap:16px}
.info-card{padding:20px 22px;display:flex;gap:16px;align-items:center;transition:.35s var(--ease)}
.info-card:hover{transform:translateX(6px);border-color:var(--turq);box-shadow:0 0 24px rgba(46,230,200,.14)}
.info-card .ico{width:46px;height:46px;border-radius:12px;background:rgba(46,230,200,.12);color:var(--turq);display:grid;place-items:center;flex-shrink:0}
.info-card .ico svg{width:22px;height:22px}
.info-card .lbl{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--turq);font-weight:600}
.info-card .val{color:var(--ink);font-weight:600;font-size:1rem;text-decoration:none;display:inline-block;transition:.3s var(--ease)}
a.val:hover{color:var(--turq)}

form{padding:clamp(26px,4vw,42px)}
.field{margin-bottom:20px}
.field label{display:block;font-size:.8rem;font-weight:600;color:var(--turq);margin-bottom:8px;letter-spacing:.04em}
.field input,.field select,.field textarea{width:100%;font-family:inherit;font-size:.98rem;color:var(--ink);background:rgba(255,255,255,.04);border:1px solid rgba(46,230,200,.14);border-radius:13px;padding:14px 16px;transition:.3s var(--ease)}
.field input::placeholder,.field textarea::placeholder{color:var(--muted-dim)}
.field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='none' stroke='%232ee6c8' stroke-width='2'%3E%3Cpath d='M3 5l4 4 4-4'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center}
.field select option{background:#0a0e12;color:var(--ink)}
.field textarea{resize:vertical;min-height:120px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--turq);background:rgba(46,230,200,.05);box-shadow:0 0 0 3px rgba(46,230,200,.1)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.submit{width:100%;background:linear-gradient(120deg,var(--turq),var(--turq-deep));color:#04201b;font-family:inherit;font-weight:700;font-size:1.05rem;border:none;border-radius:13px;padding:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:10px;box-shadow:0 0 30px var(--turq-glow);transition:.3s var(--ease)}
.submit:hover{transform:translateY(-2px);box-shadow:0 0 46px var(--turq-glow)}
.form-note{font-size:.8rem;color:var(--muted-dim);text-align:center;margin-top:16px}
.success{display:none;text-align:center;padding:34px 10px}
.success.show{display:block;animation:rise .6s var(--ease)}
.success .circle{width:78px;height:78px;border-radius:50%;background:rgba(46,230,200,.12);color:var(--turq);display:grid;place-items:center;margin:0 auto 20px;box-shadow:0 0 40px var(--turq-glow)}
.success .circle svg{width:38px;height:38px}
.success h3{font-family:"Syne",sans-serif;font-weight:700;font-size:1.6rem;color:var(--ink);margin-bottom:10px}
.success p{color:var(--muted)}

footer{position:relative;z-index:2;padding:48px clamp(18px,5vw,60px) 32px;padding-bottom:max(32px,env(safe-area-inset-bottom));margin-top:30px;border-top:1px solid rgba(46,230,200,.1);background:rgba(4,7,10,.5);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.foot-top{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;padding-bottom:26px;border-bottom:1px solid rgba(46,230,200,.08)}
.foot-brand{font-family:"Syne",sans-serif;font-weight:700;font-size:1.3rem;color:var(--ink)}
.foot-brand small{display:block;font-family:"Hanken Grotesk";font-weight:400;font-size:.82rem;color:var(--muted);margin-top:6px}
.foot-links{display:flex;gap:6px;flex-wrap:wrap}
.foot-links a{background:none;border:none;color:var(--muted);cursor:pointer;font-family:inherit;font-size:.92rem;padding:6px 12px;border-radius:8px;transition:.3s;text-decoration:none}
.foot-links a:hover{color:var(--turq);background:rgba(46,230,200,.08)}
.foot-bottom{max-width:1200px;margin:22px auto 0;font-size:.82rem;color:var(--muted-dim);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}

/* ---- safe-area (encoches) ---- */
header{padding-left:max(clamp(18px,5vw,60px),env(safe-area-inset-left));padding-right:max(clamp(18px,5vw,60px),env(safe-area-inset-right))}

/* ============ RESPONSIVE ============ */
@media (hover:none){
  .card:hover,.info-card:hover,.btn:hover,.submit:hover,.nav-cta:hover{transform:none;box-shadow:none}
  .card:hover::before{opacity:0}
}
@media (max-width:1024px){
  .hero{gap:40px}.about,.contact-grid{gap:42px}.stats{gap:30px}
}
@media (max-width:860px){
  nav .nav-link,nav .nav-cta{display:none}
  .burger{display:flex}
  nav.mobile-open{position:fixed;top:72px;left:14px;right:14px;background:rgba(8,14,18,.95);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border:1px solid var(--panel-brd);border-radius:18px;padding:14px;flex-direction:column;align-items:stretch;gap:4px}
  nav.mobile-open .nav-link,nav.mobile-open .nav-cta{display:block;text-align:center;margin:0}
  nav.mobile-open .nav-cta{margin-top:6px}
  .hero,.about,.contact-grid,.zone{grid-template-columns:1fr;gap:42px}
  .hero-visual{max-width:380px;margin:0 auto;width:100%}
  .field-row{grid-template-columns:1fr}
  .cursor-glow{display:none}
}
@media (max-width:768px){
  .container{padding-top:104px;padding-bottom:64px}
  .hero{text-align:center}
  .hero-text .eyebrow,.hero-actions,.stats{justify-content:center}
  .hero-actions .btn{flex:1 1 auto}
  .hero-visual{max-width:300px}
  .float-chip{display:none}
  .stats{gap:24px;justify-content:space-around;width:100%}
  .contact-grid .contact-info{order:2}
  .field input,.field select,.field textarea{font-size:16px;padding:13px 15px}
  .btn,.submit{padding:14px 24px}
  .aurora span{filter:blur(60px)}
}
@media (max-width:420px){
  h1{font-size:clamp(2.2rem,11vw,3rem)}
  .brand .name{font-size:1rem}
  .brand .name small{font-size:.55rem;letter-spacing:.18em}
  .container{padding-left:16px;padding-right:16px}
  .card{padding:26px 22px}
  .stats{flex-wrap:wrap;gap:18px 28px}
  .foot-top{flex-direction:column;gap:18px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.05ms !important;scroll-behavior:auto !important}
}