:root{--fond:#000;--texte:#fff;--doux:#a8a8a8;--trait:#262626;--accent:#F0321E;--serif:'DM Serif Display',Georgia,serif;--sans:'Hanken Grotesk',system-ui,sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0;background:var(--fond);color:var(--texte);font:17px/1.55 var(--sans);-webkit-font-smoothing:antialiased}
body{overflow-x:hidden}
a{color:inherit;text-decoration:none}
#scene{position:fixed;inset:0;width:100%;height:100%;display:block;z-index:0}
#voile{position:fixed;inset:0;z-index:1;pointer-events:none;
  background:radial-gradient(120% 90% at 50% 45%,transparent 55%,rgba(0,0,0,.55) 100%)}

/* chargement */
#chargement{position:fixed;inset:0;z-index:50;background:#000;display:grid;place-content:center;justify-items:center;gap:26px;transition:opacity .9s ease .2s,visibility 0s linear 1.1s}
#chargement img{width:min(240px,50vw);animation:souffle 2.2s ease-in-out infinite}
#chargement .barre{width:min(240px,50vw);height:2px;background:#1c1c1c;border-radius:2px;overflow:hidden}
#chargement .barre i{display:block;height:100%;width:0;background:var(--accent);transition:width .3s}
body.pret #chargement{opacity:0;visibility:hidden}
@keyframes souffle{50%{opacity:.55}}

/* en-tête */
#entete{position:fixed;left:0;right:0;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;padding:22px clamp(18px,4vw,54px);
  opacity:0;transform:translateY(-12px);transition:opacity .9s ease 1.2s,transform .9s ease 1.2s;pointer-events:none}
body.pret #entete{opacity:1;transform:none}
#entete>*{pointer-events:auto}
#entete .logo img{height:26px;display:block}
#entete nav{display:flex;gap:clamp(14px,2.4vw,34px);font-size:14px;font-weight:500;letter-spacing:.02em}
#entete nav a{position:relative;padding:6px 0;color:#d8d8d8;transition:color .2s}
#entete nav a::after{content:'';position:absolute;left:0;right:0;bottom:0;height:1.5px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .35s cubic-bezier(.2,.7,.2,1)}
#entete nav a:hover,#entete nav a.ici{color:#fff}
#entete nav a:hover::after,#entete nav a.ici::after{transform:none}
#fil{position:fixed;left:0;right:0;top:0;height:2px;z-index:21}
#fil i{display:block;height:100%;width:100%;background:var(--accent);transform:scaleX(0);transform-origin:left}
#points{position:fixed;right:clamp(12px,2vw,26px);top:50%;transform:translateY(-50%);z-index:20;display:flex;flex-direction:column;gap:12px}
#points a{width:8px;height:8px;border-radius:50%;border:1.5px solid #777;transition:.3s;position:relative}
#points a.ici{background:var(--accent);border-color:var(--accent);transform:scale(1.35)}
#points a span{position:absolute;right:20px;top:50%;transform:translateY(-50%) translateX(6px);white-space:nowrap;font-size:12px;color:#ddd;opacity:0;transition:.25s;pointer-events:none;
  background:rgba(12,12,12,.85);padding:3px 9px;border-radius:99px}
#points a:hover span{opacity:1;transform:translateY(-50%)}

/* sections */
main{position:relative;z-index:5;pointer-events:none}
section{position:relative}
.colle{position:sticky;top:0;height:100vh;height:100svh;display:flex;align-items:center;padding:0 clamp(20px,6vw,96px)}
.gauche .colle{justify-content:flex-start}
.droite .colle{justify-content:flex-end}
.centre .colle{justify-content:center;text-align:center}
.bloc{max-width:470px;pointer-events:auto}
.heros{max-width:640px}
.centre .bloc{max-width:860px}
.sur{font:600 12px var(--sans);text-transform:uppercase;letter-spacing:.2em;color:var(--accent);margin:0 0 18px}
h1,h2{font-family:var(--serif);font-weight:400;margin:0;line-height:1.04;letter-spacing:-.01em;text-wrap:balance}
h1{font-size:clamp(44px,6.4vw,98px)}
h2{font-size:clamp(36px,4.6vw,64px)}
h1 em,h2 em{font-style:italic;color:#fff}
h2 em{color:var(--accent)}
.chapo{color:#cfcfcf;font-size:clamp(16px,1.25vw,19px);font-weight:300;margin:22px 0 0;max-width:44ch;text-wrap:pretty}
.centre .chapo{margin-left:auto;margin-right:auto}
.heros{align-self:flex-end;padding-bottom:clamp(54px,11vh,120px)}
.heros h1 span{display:inline-block}
.puces{list-style:none;display:flex;gap:26px;padding:0;margin:34px 0 0}
.puces li{border-top:1px solid #3a3a3a;padding-top:12px;min-width:86px}
.puces b{display:block;font:400 30px var(--serif)}
.puces span{color:var(--doux);font-size:13px}
.compteur{margin:30px 0 0;display:flex;align-items:baseline;gap:10px}
.compteur b{font:400 clamp(40px,4vw,58px) var(--serif);font-variant-numeric:tabular-nums}
.compteur span{color:var(--doux);font-size:14px}
.etiquette{display:inline-block;margin:28px 0 0;font-size:13px;color:#ddd;border:1px solid #3a3a3a;border-radius:99px;padding:6px 14px;background:rgba(0,0,0,.4);backdrop-filter:blur(6px)}
.defiler{margin-top:44px;font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--doux);display:inline-flex;flex-direction:column;align-items:center;gap:10px}
.defiler i{width:1px;height:44px;background:linear-gradient(#fff,transparent);animation:descend 1.8s cubic-bezier(.6,0,.3,1) infinite;transform-origin:top}
@keyframes descend{0%{transform:scaleY(0)}50%{transform:scaleY(1)}100%{transform:scaleY(1) translateY(44px);opacity:0}}

/* apparition des textes */
.bloc>*,.bloc::before{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}
.vu .bloc>*{opacity:1;transform:none}
.vu .bloc>*:nth-child(2){transition-delay:.08s}.vu .bloc>*:nth-child(3){transition-delay:.18s}.vu .bloc>*:nth-child(4){transition-delay:.28s}.vu .bloc>*:nth-child(5){transition-delay:.36s}
body:not(.pret) .bloc>*{opacity:0!important;transform:translateY(26px)!important}
#accueil .bloc>*{transition-delay:1.5s}
#accueil.vu .bloc>*:nth-child(2){transition-delay:1.65s}#accueil.vu .bloc>*:nth-child(3){transition-delay:1.85s}#accueil.vu .bloc>*:nth-child(4){transition-delay:2.3s}
body.vuUneFois #accueil .bloc>*{transition-delay:0s!important}

/* fin */
.final{align-self:center}
.grandLogo{width:min(250px,56vw);margin:0 auto 26px;display:block}
.cartes{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:38px;text-align:left}
.cartes a{background:rgba(14,14,14,.72);backdrop-filter:blur(12px);border:1px solid var(--trait);border-radius:18px;padding:18px 18px 20px;transition:.3s cubic-bezier(.2,.7,.2,1)}
.cartes a:hover{border-color:var(--accent);transform:translateY(-4px)}
.cartes b{display:block;font:400 22px var(--serif);margin-bottom:6px}
.cartes span{color:#bdbdbd;font-size:14px;font-weight:300;line-height:1.45;display:block}

@media (max-width:820px){
  .colle{align-items:flex-end;padding-bottom:7vh}
  .gauche .colle,.droite .colle{justify-content:flex-start}
  .bloc{max-width:none;background:linear-gradient(transparent,rgba(0,0,0,.72) 26%);padding:40px 0 0;width:100%}
  .heros{padding-bottom:0}
  #entete nav a:first-child{display:none}
  #points{display:none}
  .puces{gap:16px}.puces b{font-size:24px}
  .cartes{grid-template-columns:1fr;gap:8px;margin-top:20px}.cartes a{padding:12px 16px}.cartes b{font-size:19px;margin-bottom:2px}
  .final{align-self:flex-end}.grandLogo{width:160px;margin-bottom:14px}
  .chapo{margin-top:14px}.compteur,.puces{margin-top:18px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.bloc>*{transition:none}}

/* un voile sombre derrière les textes, pour rester lisible sur les nuages de points */
.bloc{position:relative}
.bloc::before{content:'';position:absolute;inset:-70px -90px;z-index:-1;background:radial-gradient(closest-side,rgba(0,0,0,.72),rgba(0,0,0,.5) 55%,transparent);opacity:0!important;transform:none!important;transition:opacity .8s!important;pointer-events:none}
.vu .bloc::before{opacity:1!important}
.heros::before,.final::before{display:none}
#entete::before{content:'';position:absolute;inset:0 0 -30px 0;background:linear-gradient(rgba(0,0,0,.7),transparent);z-index:-1;pointer-events:none}

/* les icônes des apps */
.appli{display:flex;align-items:center;gap:18px;margin:0 0 26px}
.appli img{width:92px;height:92px;border-radius:22px;box-shadow:0 18px 50px rgba(0,0,0,.6),0 0 0 1px rgba(255,255,255,.08)}
.appli b{display:block;font:400 26px var(--serif);line-height:1.1;margin-bottom:5px}
.appli span{font:600 11px var(--sans);text-transform:uppercase;letter-spacing:.18em;color:var(--accent)}
.vu .appli img{animation:surgit .9s cubic-bezier(.2,1.4,.3,1) .15s both,flotte 5s ease-in-out 1.1s infinite}
@keyframes flotte{50%{transform:translateY(-6px) rotate(-2deg)}}
@keyframes surgit{from{scale:.4;opacity:0}to{scale:1;opacity:1}}
.applis{display:flex;gap:22px;margin-top:34px}
.applis a{display:flex;flex-direction:column;align-items:center;gap:9px;font-size:12.5px;color:#cfcfcf;transition:transform .35s cubic-bezier(.2,.7,.2,1),color .2s}
.applis img{width:64px;height:64px;border-radius:16px;box-shadow:0 12px 34px rgba(0,0,0,.6),0 0 0 1px rgba(255,255,255,.08)}
.applis a:hover{transform:translateY(-5px);color:#fff}
.defiler{margin-top:34px}
.final{align-self:stretch;display:flex;flex-direction:column;justify-content:space-between;padding:15vh 0 7vh;width:100%}
.cartes{margin-top:0}
.cartes a{display:grid;grid-template-columns:64px 1fr;column-gap:16px;align-items:center}
.cartes img{width:64px;height:64px;border-radius:16px;grid-row:span 2;box-shadow:0 10px 30px rgba(0,0,0,.5),0 0 0 1px rgba(255,255,255,.08)}
.cartes b{margin:0;align-self:end}.cartes span{align-self:start}
@media (max-width:820px){.appli img{width:64px;height:64px;border-radius:16px}.appli b{font-size:21px}.appli{margin-bottom:14px;gap:12px}
 .applis{gap:14px;margin-top:18px}.applis img{width:48px;height:48px;border-radius:12px}.defiler{display:none}
 .final{padding:11vh 0 3vh}.cartes a{grid-template-columns:44px 1fr}.cartes img{width:44px;height:44px;border-radius:11px}}