/* Tech Events — feuille de style du site
   Layout : sections pleine largeur alternant fonds sombres et clairs, contenu centré sur 1200 px.
   Charte : noir #0F0F0F, pétrole #00292E, turquoise #5CE1E6, menthe #14B8A6, citron vert #C6F36B, fond clair #F5F8FA.
   Typographie : Inter Tight (titres), Inter (texte). */
:root{
  --ink:#0F0F0F; --petrol:#00292E; --petrol-2:#0B3F45; --cyan:#5CE1E6; --cyan-2:#7FEAEE; --mint:#14B8A6; --lime:#C6F36B;
  --light:#F5F8FA; --white:#FFFFFF; --text:#0F1A1C; --muted:#4A5B5E; --muted-dk:#B8C9CC; --line:#DCE6E9; --line-dk:#243639; --card-dk:#162226;
  --font-display:'Inter Tight',Inter,system-ui,sans-serif; --font-body:Inter,system-ui,-apple-system,'Segoe UI',sans-serif;
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--ink);color:var(--text);font-family:var(--font-body);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto}
a{color:var(--petrol)}a:hover{color:var(--mint)}
:focus-visible{outline:3px solid var(--cyan);outline-offset:2px}
.wrap{max-width:1200px;margin:0 auto;padding-inline:20px}
.sec{padding-block:88px}
@media (max-width:640px){.sec{padding-block:56px}}
.dark{background:var(--ink);color:#fff}
.petrol{background:var(--petrol);color:#fff}
.light{background:var(--light);color:var(--text)}
.white{background:var(--white);color:var(--text)}
/* typographie */
.h1{font-family:var(--font-display);font-weight:800;letter-spacing:-.03em;line-height:1.03;font-size:clamp(36px,5.4vw,72px);margin:0;text-wrap:balance}
.h2{font-family:var(--font-display);font-weight:800;letter-spacing:-.025em;line-height:1.08;font-size:clamp(28px,3.8vw,46px);margin:0;text-wrap:balance}
.h3{font-family:var(--font-display);font-weight:700;letter-spacing:-.015em;font-size:21px;line-height:1.2;margin:0}
.mark{box-shadow:inset 0 -.3em 0 var(--cyan)}
.mark-dk{box-shadow:inset 0 -.3em 0 rgba(92,225,230,.4)}
.eyebrow{font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;margin:0}
.lead{font-size:18px;line-height:1.55;margin:0}
[hidden]{display:none!important}.muted{color:var(--muted)}.muted-dk{color:var(--muted-dk)}
.stack{display:flex;flex-direction:column;gap:16px}
p{margin:0}
/* boutons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;border-radius:12px;font-weight:700;font-size:15px;text-decoration:none;border:2px solid transparent;cursor:pointer;font-family:inherit;line-height:1.2;transition:background .15s,color .15s,border-color .15s}
.btn-cyan{background:var(--cyan);color:var(--ink)}.btn-cyan:hover{background:var(--cyan-2);color:var(--ink)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.btn-petrol{background:var(--petrol);color:#fff}.btn-petrol:hover{background:var(--petrol-2);color:#fff}
.btn-soft{background:#E3F8F6;color:var(--petrol)}.btn-soft:hover{background:#CFF2EE;color:var(--petrol)}
.btn-sm{min-height:40px;padding:0 14px;font-size:14px;border-radius:10px}
.btn-block{width:100%}
/* en-tête */
.site-header{position:relative;z-index:20}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:14px}
.brand img{height:60px;width:auto;display:block}
.nav-links{display:flex;flex-wrap:wrap;gap:2px 16px;align-items:center;margin:0;padding:0;list-style:none}
.nav-links a{color:#DCEBEE;text-decoration:none;font-weight:500;font-size:14.5px;padding:8px 2px;min-height:44px;display:inline-flex;align-items:center}
.nav-links a:hover{color:var(--cyan)}
.nav-links a[aria-current="page"]{color:var(--cyan);box-shadow:inset 0 -2px 0 var(--cyan)}
.nav-cta{display:flex;gap:10px;flex-wrap:wrap}
.burger{display:none;width:48px;height:48px;border-radius:12px;border:1px solid rgba(255,255,255,.3);background:transparent;color:#fff;align-items:center;justify-content:center;cursor:pointer}
@media (max-width:1100px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .burger{display:inline-flex}
  .nav.open .nav-links{display:flex;flex-direction:column;align-items:stretch;gap:0;width:100%;order:3;padding-block:8px 16px;border-top:1px solid rgba(255,255,255,.15)}
  .nav.open .nav-links a{font-size:17px;font-weight:600;color:#fff;min-height:48px;border-bottom:1px solid rgba(255,255,255,.08)}
  .nav.open .nav-cta{display:flex;flex-direction:column;width:100%;order:4}
  .nav{flex-wrap:wrap}
}
/* cartes et grilles */
.card{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:26px}
.card-dk{background:var(--card-dk);border:1px solid var(--line-dk);border-radius:16px;padding:26px;color:#fff}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.grid-5{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}
.grid-6{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:14px}
@media (max-width:1000px){.grid-4,.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-5{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-6{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:640px){.grid-4,.grid-3,.grid-2{grid-template-columns:repeat(1,minmax(0,1fr))}.grid-5,.grid-6{grid-template-columns:repeat(2,minmax(0,1fr))}}
.grid-2>*,.grid-3>*,.grid-4>*,.grid-5>*,.grid-6>*{min-width:0}
.ico{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:rgba(92,225,230,.14);color:var(--cyan);flex:none}
.ico-lt{background:#E3F8F6;color:var(--petrol)}
.pill{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;font-size:13px;font-weight:600}
.pill-dk{background:rgba(255,255,255,.08);color:#DCEBEE;border:1px solid rgba(255,255,255,.14)}
.pill-lt{background:#E3F8F6;color:var(--petrol)}
.pills{display:flex;flex-wrap:wrap;gap:10px}
.img{display:block;width:100%;height:100%;object-fit:cover}
.frame{border-radius:20px;overflow:hidden;background:var(--card-dk);max-width:100%}
.ratio-4-3{aspect-ratio:4/3}.ratio-16-9{aspect-ratio:16/9}
.list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.check{display:flex;gap:12px;align-items:flex-start}
.check svg{flex:none;margin-top:3px}
.feat{display:flex;gap:16px;align-items:flex-start}
.card-link{text-decoration:none;display:flex;flex-direction:column;gap:16px;color:inherit;transition:transform .15s,border-color .15s}
.card-link:hover{transform:translateY(-2px);border-color:var(--cyan);color:inherit}
.more{color:var(--cyan);font-weight:700;margin-top:auto}
/* héros */
.hero{position:relative;color:#fff;background-color:var(--ink);background-size:cover;background-position:center}
.hero-shade{background:linear-gradient(180deg,rgba(15,15,15,.6) 0%,rgba(15,15,15,.3) 45%,rgba(15,15,15,.94) 100%)}
.hero-body{padding-block:96px 72px;max-width:860px;display:flex;flex-direction:column;gap:24px}
@media (max-width:640px){.hero-body{padding-block:56px 40px}}
.hero-page{background:var(--petrol);color:#fff}
.hero-split{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:48px;align-items:center;padding-block:64px 80px}
@media (max-width:900px){.hero-split{grid-template-columns:repeat(1,minmax(0,1fr));padding-block:40px 56px}}
.trust{display:flex;flex-wrap:wrap;gap:10px;padding-block:22px 36px;border-top:1px solid rgba(255,255,255,.18)}
@keyframes rise{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.rise{animation:rise .8s ease-out both}.rise-2{animation-delay:.12s}.rise-3{animation-delay:.24s}
@media (prefers-reduced-motion:reduce){.rise{animation:none}}
/* tuiles secteurs */
.tile{position:relative;border-radius:16px;overflow:hidden;min-height:280px;display:flex;align-items:flex-end;text-decoration:none;color:#fff;background-color:var(--card-dk);background-size:cover;background-position:center}
.tile:hover{color:#fff}
.tile-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,15,15,0) 35%,rgba(15,15,15,.9) 100%)}
.tile-body{position:relative;padding:22px;display:flex;flex-direction:column;gap:6px}
/* ticket tarif */
.ticket{position:relative;background:var(--light);color:var(--text);border-radius:20px;padding:36px}
.ticket::before,.ticket::after{content:"";position:absolute;width:34px;height:34px;border-radius:50%;background:var(--petrol);top:50%;margin-top:-17px}
.ticket.on-dark::before,.ticket.on-dark::after{background:var(--ink)}
.ticket::before{left:-17px}.ticket::after{right:-17px}
.ticket-sep{border:0;border-top:3px dashed #CBD8DC;margin-block:26px}
.price{font-family:var(--font-display);font-weight:900;letter-spacing:-.03em;line-height:1;font-variant-numeric:tabular-nums}
/* logos */
.logo-wall{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.logo-cell{background:var(--white);border:1px solid var(--line);border-radius:14px;height:120px;display:flex;align-items:center;justify-content:center;padding:20px}
.logo-cell img{max-width:100%;max-height:72px;width:auto;height:auto;display:block}
@media (max-width:900px){.logo-wall{grid-template-columns:repeat(2,minmax(0,1fr))}.logo-cell{height:100px}}
/* chiffres */
.stat{display:flex;flex-direction:column;gap:6px;border-left:3px solid var(--cyan);padding-left:20px}
.stat-n{font-family:var(--font-display);font-weight:900;font-size:52px;line-height:1;letter-spacing:-.03em;color:var(--cyan);font-variant-numeric:tabular-nums}
.stat.lt{border-left-color:var(--mint)}.stat.lt .stat-n{color:var(--petrol);font-size:44px}
/* appel final */
.cta-box{padding:52px;display:flex;flex-direction:column;gap:22px;align-items:flex-start;background:linear-gradient(135deg,var(--petrol) 0%,var(--ink) 70%)}
@media (max-width:640px){.cta-box{padding:30px 22px}}
/* formulaires */
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:13px;font-weight:600;color:var(--muted)}
.field input,.field select,.field textarea{min-height:48px;border:1px solid #CBD8DC;border-radius:10px;padding:10px 14px;font-size:16px;background:var(--white);color:var(--text);width:100%;font-family:inherit}
.field textarea{min-height:110px;resize:vertical}
.chip{min-height:44px;padding:0 16px;border-radius:999px;border:1px solid #CBD8DC;background:var(--white);color:var(--text);font-weight:600;font-size:14px;cursor:pointer;font-family:inherit;display:inline-flex;align-items:center;gap:8px}
.chip:hover{border-color:var(--mint)}
.chip[aria-pressed="true"],.chip.on{background:var(--petrol);color:#fff;border-color:var(--petrol)}
/* pied de page */
.footer{background:var(--ink);color:var(--muted-dk);padding-block:56px 28px;border-top:1px solid #1F2B2E}
.footer a{color:#DCEBEE;text-decoration:none}.footer a:hover{color:var(--cyan)}
.grid-foot{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:32px}
.foot-brand{grid-column:span 2}
@media (max-width:900px){.grid-foot{grid-template-columns:repeat(2,minmax(0,1fr))}.foot-brand{grid-column:span 2}}
@media (max-width:640px){.grid-foot{grid-template-columns:repeat(1,minmax(0,1fr))}.foot-brand{grid-column:span 1}}
.foot-col{display:flex;flex-direction:column;gap:10px}
.foot-col strong{color:#fff}
.foot-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid #1F2B2E;padding-top:22px;font-size:13px;margin-top:36px}
/* tableaux */
.tbl{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:var(--white)}
table{border-collapse:collapse;width:100%;min-width:560px}
th,td{text-align:left;padding:13px 14px;border-bottom:1px solid var(--line);font-size:15px;vertical-align:top}
th{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);background:var(--light)}
tr:last-child td{border-bottom:0}
/* divers */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
@media (max-width:900px){.steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.steps{grid-template-columns:repeat(1,minmax(0,1fr))}}
.step-n{font-family:var(--font-display);font-weight:900;font-size:40px;line-height:1;color:var(--mint);letter-spacing:-.03em}
.faq details{border-bottom:1px solid var(--line);padding-block:6px}
.faq summary{cursor:pointer;font-weight:700;font-size:17px;padding-block:12px;list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:24px;color:var(--mint);flex:none}
.faq details[open] summary::after{content:"\2013"}
.faq p{padding-bottom:14px}
.note{font-size:14px}
.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--petrol);color:#fff;padding:12px 18px;border-radius:12px;font-weight:600;box-shadow:0 10px 30px rgba(0,0,0,.3);z-index:50}
.quote{font-size:17px;line-height:1.6;margin:0}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

@media (min-width:1101px) and (max-width:1420px){.nav-cta .btn-ghost{display:none}.nav-links{gap:2px 14px}.nav-links a{font-size:14px}}
.nav-cta .btn{white-space:nowrap}

/* client principal mis en avant sur toute la largeur du mur de logos */
.logo-lead{grid-column:1/-1;gap:22px;height:auto;min-height:130px;flex-wrap:wrap}
.logo-lead img{max-height:88px}
.logo-lead span{font-family:var(--font-display);font-weight:800;font-size:20px;color:var(--petrol);letter-spacing:-.01em}

/* galerie photos des pages métiers */
.gal{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
@media (max-width:900px){.gal{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.gal{grid-template-columns:repeat(1,minmax(0,1fr))}}
.gal-item{position:relative;margin:0;border-radius:14px;overflow:hidden;aspect-ratio:4/3;background:#0F0F0F}
.gal-item figcaption{position:absolute;inset:auto 0 0 0;padding:28px 14px 12px;background:linear-gradient(180deg,rgba(15,15,15,0),rgba(15,15,15,.85));color:#fff;font-size:14px;font-weight:600}
.gal-item img{transition:transform .4s}
.gal-item:hover img{transform:scale(1.04)}
@media (prefers-reduced-motion:reduce){.gal-item img{transition:none}}
/* bande des tailles d'écran (accueil) */
.sizes{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:14px}
@media (max-width:1000px){.sizes{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:520px){.sizes{grid-template-columns:repeat(2,minmax(0,1fr))}}
.size-mini{display:flex;flex-direction:column;text-decoration:none;color:inherit;background:var(--white);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .15s,transform .15s}
.size-mini:hover{border-color:var(--mint);transform:translateY(-2px);color:inherit}
.size-mini span.ph{aspect-ratio:4/3;background:#0F0F0F;overflow:hidden;display:block}
.size-mini span.lb{padding:12px 14px;display:flex;flex-direction:column;gap:2px}
.size-mini b{font-family:var(--font-display);font-weight:900;font-size:26px;color:var(--petrol);letter-spacing:-.02em;line-height:1}