/* =========================================================
   START ON — Dark Digital Agency
   Refonte 2026 · monochrome / dark / motion
   ========================================================= */

:root{
  --bg:#050505;
  --bg-2:#0b0b0b;
  --line:rgba(255,255,255,.10);
  --line-2:rgba(255,255,255,.18);
  --fg:#f4f4f4;
  --fg-dim:rgba(244,244,244,.58);
  --fg-faint:rgba(244,244,244,.34);
  --ease:cubic-bezier(.19,1,.22,1);
  --ease-2:cubic-bezier(.65,0,.35,1);
  --deck-ease:cubic-bezier(.16,.84,.24,1);
  --pad:clamp(20px,5vw,90px);
  /* Gotham d'abord : s'active dès que vos fichiers licenciés sont dans assets/fonts/
     (voir le bloc @font-face en bas de ce fichier). Montserrat prend le relais sinon. */
  --display:"Gotham","Gotham Bold","Montserrat",-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  --sans:"Gotham","Gotham Book","Montserrat",-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
html,body{margin:0;padding:0}
body{
  background:var(--bg);
  color:var(--fg);
  font-family:var(--sans);
  font-weight:300;
  font-size:16px;
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
body.is-locked{overflow:hidden;height:100vh}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
::selection{background:#fff;color:#000}

/* scrollbar */
::-webkit-scrollbar{width:9px}
::-webkit-scrollbar-track{background:#000}
::-webkit-scrollbar-thumb{background:#2a2a2a;border-radius:9px}
::-webkit-scrollbar-thumb:hover{background:#444}

/* =============== GRAIN =============== */
.grain{
  position:fixed;inset:-150%;
  z-index:9998;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%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");
  animation:grain 6s steps(6) infinite;
  will-change:transform;
}
@keyframes grain{
  0%{transform:translate(0,0)}20%{transform:translate(-4%,3%)}40%{transform:translate(3%,-4%)}
  60%{transform:translate(-3%,-3%)}80%{transform:translate(4%,4%)}100%{transform:translate(0,0)}
}

/* =============== CURSOR =============== */
.cursor{
  position:fixed;top:0;left:0;width:14px;height:14px;border-radius:50%;
  background:#fff;z-index:9999;pointer-events:none;
  transform:translate(-50%,-50%);mix-blend-mode:difference;
  transition:width .4s var(--ease),height .4s var(--ease),background .4s var(--ease);
  display:none;
}
.cursor.is-big{width:76px;height:76px}
.cursor__label{
  font-family:var(--sans);font-size:11px;letter-spacing:.08em;color:#000;
  opacity:0;transition:opacity .3s;font-weight:500;text-transform:uppercase;
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);white-space:nowrap;
}
.cursor.is-big .cursor__label{opacity:1}
@media (hover:hover) and (pointer:fine){
  .cursor{display:flex;align-items:center;justify-content:center}
}

/* =============== LOADER =============== */
.loader{
  position:fixed;inset:0;z-index:10000;background:#000;
  display:flex;align-items:center;justify-content:center;
  transition:transform 1s var(--ease);
}
.loader.is-done{transform:translateY(-101%)}
.loader__inner{width:min(560px,86vw);text-align:center}
.loader__word{
  font-family:var(--display);font-weight:900;font-size:clamp(34px,7.4vw,74px);
  line-height:1;letter-spacing:-.03em;display:flex;justify-content:center;
}
.loader__word span{opacity:0;transform:translateY(90%);display:inline-block;animation:loadIn .8s var(--ease) forwards}
.loader__word .sp{width:.32em}
.loader__word span:nth-child(1){animation-delay:.05s}
.loader__word span:nth-child(2){animation-delay:.10s}
.loader__word span:nth-child(3){animation-delay:.15s}
.loader__word span:nth-child(4){animation-delay:.20s}
.loader__word span:nth-child(5){animation-delay:.25s}
.loader__word span:nth-child(7){animation-delay:.32s}
.loader__word span:nth-child(8){animation-delay:.37s}
@keyframes loadIn{to{opacity:1;transform:translateY(0)}}
.loader__meta{
  display:flex;justify-content:space-between;align-items:baseline;
  margin-top:18px;font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--fg-faint);
}
.loader__bar{height:1px;background:rgba(255,255,255,.14);margin-top:14px;overflow:hidden}
.loader__bar i{display:block;height:100%;width:0;background:#fff}

/* =============== NAV =============== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:900;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:22px var(--pad);
  transition:transform .6s var(--ease),background .5s,backdrop-filter .5s,padding .5s var(--ease),border-color .5s;
  border-bottom:1px solid transparent;
}
.nav.is-solid{
  background:rgba(5,5,5,.72);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom-color:var(--line);padding-top:14px;padding-bottom:14px;
}
.nav.is-hidden{transform:translateY(-105%)}
.nav__logo{display:flex;align-items:center;flex:none}
.nav__logo-img{
  height:clamp(30px,3.2vw,42px);width:auto;
  transition:height .5s var(--ease),opacity .4s;
}
.nav.is-solid .nav__logo-img{height:clamp(26px,2.6vw,34px)}
.nav__logo:hover .nav__logo-img{opacity:.72}
.nav__links{display:flex;gap:34px}
.nav__link{font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--fg-dim);position:relative;overflow:hidden;display:block;height:1.4em}
.nav__link span{display:block;transition:transform .5s var(--ease),color .5s}
.nav__link::after{
  content:attr(data-t);position:absolute;left:0;top:100%;color:#fff;
}
.nav__link:hover span{transform:translateY(-3px);color:#fff}
.nav__link::before{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;background:#fff;
  transform:scaleX(0);transform-origin:right;transition:transform .5s var(--ease);
}
.nav__link:hover::before{transform:scaleX(1);transform-origin:left}

/* buttons */
.btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 30px;border:1px solid var(--line-2);border-radius:100px;
  font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;font-weight:500;
  overflow:hidden;isolation:isolate;background:transparent;color:#fff;cursor:pointer;
  font-family:var(--sans);
  transition:color .45s var(--ease),border-color .45s var(--ease);
  will-change:transform;
}
.btn::before{
  content:"";position:absolute;inset:0;background:#fff;z-index:-1;
  transform:translateY(101%);transition:transform .55s var(--ease);
}
.btn:hover{color:#000;border-color:#fff}
.btn:hover::before{transform:translateY(0)}
.btn--sm{padding:12px 22px;font-size:11px}
.btn--ghost{border-color:var(--line)}
.btn--full{width:100%;padding:18px 30px;grid-column:1/-1}
.nav__cta{flex:none}


/* =============== BOUTON UNIVERS 3D =============== */
/* Il doit se lire comme une nouveauté sans qu'on l'écrive : une pastille
   qui bat, un liseré plus clair, et un reflet qui traverse par intermittence. */
.btn--new{
  border-color:rgba(255,255,255,.5);
  padding-left:26px;
}
.btn--new .btn__dot{
  width:7px;height:7px;border-radius:50%;background:#fff;flex:none;
  position:relative;
}
.btn--new .btn__dot::after{
  content:"";position:absolute;inset:-4px;border-radius:50%;
  border:1px solid rgba(255,255,255,.75);
  animation:ping 2.1s var(--ease) infinite;
}
@keyframes ping{
  0%{transform:scale(.55);opacity:1}
  70%,100%{transform:scale(2.1);opacity:0}
}
/* reflet qui traverse */
.btn--new::after{
  content:"";position:absolute;top:0;bottom:0;width:38%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.30),transparent);
  transform:translateX(-160%) skewX(-18deg);
  animation:sheen 4.6s var(--ease) infinite;
  pointer-events:none;
}
@keyframes sheen{
  0%,62%{transform:translateX(-160%) skewX(-18deg)}
  86%,100%{transform:translateX(340%) skewX(-18deg)}
}
.btn--new:hover .btn__dot{background:#000}
.btn--new:hover .btn__dot::after{border-color:rgba(0,0,0,.6)}
.btn--new:hover::after{animation:none;opacity:0}
.nav__new{flex:none}
.menu__new{margin-top:34px}
.menu__new .btn--new{width:100%;max-width:340px}

@media (max-width:1180px){ .nav__new{display:none} }
@media (max-width:860px){ .menu__new{margin-top:26px} }
@media (prefers-reduced-motion:reduce){
  .btn--new .btn__dot::after,.btn--new::after{animation:none}
  .btn--new::after{opacity:0}
}

/* burger */
.burger{
  display:none;width:44px;height:44px;border:1px solid var(--line-2);border-radius:50%;
  background:transparent;position:relative;cursor:pointer;flex:none;
}
.burger i{
  position:absolute;left:50%;width:16px;height:1px;background:#fff;
  transform:translateX(-50%);transition:transform .45s var(--ease),opacity .3s;
}
.burger i:nth-child(1){top:19px}
.burger i:nth-child(2){top:25px}
.burger.is-open i:nth-child(1){transform:translateX(-50%) translateY(3px) rotate(45deg)}
.burger.is-open i:nth-child(2){transform:translateX(-50%) translateY(-3px) rotate(-45deg)}

/* =============== MENU OVERLAY =============== */
.menu{
  position:fixed;inset:0;z-index:880;background:#050505;
  display:flex;flex-direction:column;justify-content:center;
  padding:110px var(--pad) 40px;
  clip-path:inset(0 0 100% 0);
  transition:clip-path .9s var(--ease);
  pointer-events:none;
}
.menu.is-open{clip-path:inset(0 0 0 0);pointer-events:auto}
.menu__list{display:flex;flex-direction:column;gap:2px}
.menu__item{
  display:flex;align-items:baseline;gap:20px;
  font-family:var(--display);font-weight:800;font-size:clamp(30px,7.6vw,64px);line-height:1.08;letter-spacing:-.03em;text-transform:uppercase;
  padding:8px 0;border-bottom:1px solid var(--line);
  opacity:0;transform:translateY(40px);
  transition:opacity .7s var(--ease),transform .7s var(--ease),color .35s,padding-left .5s var(--ease);
}
.menu.is-open .menu__item{opacity:1;transform:none}
.menu.is-open .menu__item:nth-child(1){transition-delay:.18s}
.menu.is-open .menu__item:nth-child(2){transition-delay:.24s}
.menu.is-open .menu__item:nth-child(3){transition-delay:.30s}
.menu.is-open .menu__item:nth-child(4){transition-delay:.36s}
.menu.is-open .menu__item:nth-child(5){transition-delay:.42s}
.menu__item em{font-family:var(--sans);font-size:12px;font-style:normal;color:var(--fg-faint);letter-spacing:.2em}
.menu__item:hover{padding-left:18px;color:#fff}
.menu__foot{
  display:flex;flex-wrap:wrap;gap:34px;justify-content:space-between;
  margin-top:48px;font-size:12px;letter-spacing:.06em;color:var(--fg-dim);
}
.menu__foot div{display:flex;flex-direction:column;gap:5px}
.menu__foot a:hover{color:#fff}

/* =============== HERO =============== */
.hero{
  position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;
  padding:130px var(--pad) 34px;overflow:hidden;
}
.hero__bg{position:absolute;inset:-8% 0;z-index:0;will-change:transform}
.hero__bg img,.hero__media{
  width:100%;height:100%;object-fit:cover;object-position:72% 34%;
  display:block;
  filter:grayscale(1) contrast(1.14) brightness(.62);
}
/* Voile en deux temps : sombre à gauche pour que le titre reste lisible,
   plus clair à droite pour laisser respirer le sujet de la photo. */
.hero__veil{
  position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(5,5,5,.92) 0%,rgba(5,5,5,.74) 34%,rgba(5,5,5,.34) 68%,rgba(5,5,5,.5) 100%),
    linear-gradient(180deg,rgba(5,5,5,.6) 0%,rgba(5,5,5,.08) 34%,rgba(5,5,5,.55) 76%,rgba(5,5,5,.97) 100%);
}
.hero__inner{position:relative;z-index:2;width:100%}
.hero__eyebrow{display:flex;align-items:center;gap:12px;font-size:11.5px;letter-spacing:.26em;text-transform:uppercase;color:var(--fg-dim);margin-bottom:26px}
.hero__eyebrow i{width:7px;height:7px;border-radius:50%;background:#fff;animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.28;transform:scale(.72)}}

.hero__title{
  font-family:var(--display);font-weight:900;margin:0;
  font-size:clamp(40px,8.6vw,132px);line-height:.95;letter-spacing:-.035em;text-transform:uppercase;
}
.hero__title .line{display:block;overflow:hidden}
.hero__title .w{display:block}
.hero__title .char{
  display:inline-block;transform:translateY(110%) rotate(6deg);opacity:0;
  transition:transform 1.05s var(--ease),opacity .8s var(--ease);
}
.is-ready .hero__title .char{transform:none;opacity:1}
.hero__title .outline{
  -webkit-text-stroke:1.4px rgba(255,255,255,.72);color:transparent;
  transition:color .6s var(--ease);
}
.hero__title .outline:hover{color:#fff}

.hero__bottom{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:32px;
  margin-top:clamp(24px,3.4vw,44px);padding-top:24px;border-top:1px solid var(--line);
}
.hero__lede{max-width:44ch;margin:0;color:var(--fg-dim);font-size:clamp(14px,1.5vw,17px);line-height:1.65}
.hero__actions{display:flex;gap:12px;flex-wrap:wrap}

.hero__meta{
  position:relative;z-index:2;display:flex;justify-content:space-between;align-items:center;gap:16px;
  margin-top:34px;font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:var(--fg-faint);
}
.hero__scroll{display:flex;align-items:center;gap:9px}
.hero__scroll i{width:1px;height:26px;background:linear-gradient(180deg,#fff,transparent);animation:scrollLine 2s infinite}
@keyframes scrollLine{0%{transform:scaleY(0);transform-origin:top}45%{transform:scaleY(1);transform-origin:top}55%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* =============== MARQUEE =============== */
.marquee{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:14px 0;overflow:hidden;background:var(--bg-2);
}
.marquee__track{
  display:flex;align-items:center;gap:34px;white-space:nowrap;width:max-content;
  animation:scrollX 34s linear infinite;
}
.marquee__track span{font-family:var(--display);font-weight:800;font-size:clamp(17px,2.4vw,30px);text-transform:uppercase;letter-spacing:-.01em}
.marquee__track i{font-style:normal;font-size:14px;color:var(--fg-faint)}
@keyframes scrollX{to{transform:translateX(-50%)}}
.marquee:hover .marquee__track{animation-play-state:paused}

/* =============== SECTIONS =============== */
.section{padding:clamp(54px,6.4vw,104px) var(--pad);position:relative}
.section__head{margin-bottom:clamp(26px,3.2vw,46px)}
.tag{display:inline-flex;align-items:center;gap:10px;font-size:10.5px;letter-spacing:.26em;text-transform:uppercase;color:var(--fg-faint);margin-bottom:14px}
.tag i{width:26px;height:1px;background:var(--fg-faint);display:block}
.h2{
  font-family:var(--display);font-weight:800;margin:0;text-transform:uppercase;
  font-size:clamp(28px,4.6vw,62px);line-height:1.02;letter-spacing:-.02em;
}
.h2 .l,.contact__title .l{display:block;overflow:hidden}
.h2 .l>span,.contact__title .l>span{
  display:block;transform:translateY(102%);
  transition:transform .95s var(--ease);
}
.is-in .l>span{transform:none}

/* reveal util */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* =============== AGENCE =============== */
.bigtext{
  font-size:clamp(21px,3.5vw,46px);line-height:1.32;font-weight:300;margin:0;max-width:22ch;
  max-width:min(20ch,100%);
  max-width:none;
}
.bigtext{max-width:min(1150px,100%)}
.bigtext em{font-style:normal;color:#fff}
.bigtext .word{display:inline-block;opacity:.16;transition:opacity .5s var(--ease),filter .5s var(--ease);filter:blur(1px)}
.bigtext .word.on{opacity:1;filter:blur(0)}

.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:clamp(34px,4.4vw,58px);
  background:var(--line);border:1px solid var(--line);
}
.stat{background:var(--bg);padding:30px 26px;display:flex;flex-direction:column;gap:8px;transition:background .5s var(--ease)}
.stat:hover{background:var(--bg-2)}
.stat b{font-family:var(--display);font-weight:800;font-size:clamp(30px,4vw,52px);line-height:1;letter-spacing:-.03em}
.stat span{font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--fg-faint)}

/* =============== SERVICES =============== */
.svc{border-top:1px solid var(--line)}
.svc__row{
  position:relative;border-bottom:1px solid var(--line);
  display:grid;grid-template-columns:70px minmax(0,1.05fr) minmax(0,1fr);
  grid-template-rows:auto auto auto 1fr;
  column-gap:clamp(20px,4vw,60px);align-items:start;
  padding:clamp(24px,3.2vw,42px) 0;
  opacity:0;transform:translateY(38px);
  transition:opacity .9s var(--ease),transform .9s var(--ease);
}
.svc__row.is-in{opacity:1;transform:none}
.svc__num{font-size:12px;letter-spacing:.2em;color:var(--fg-faint);padding-top:12px}
.svc__title{
  font-family:var(--display);font-weight:800;margin:0;text-transform:uppercase;
  font-size:clamp(24px,3.4vw,46px);line-height:1.04;letter-spacing:-.02em;
}
.svc__title span{display:block;transition:transform .6s var(--ease)}
.svc__row:hover .svc__title span:nth-child(2){transform:translateX(14px)}
.svc__desc{grid-column:2;color:var(--fg-dim);margin:18px 0 0;max-width:52ch;font-size:15px}
.svc__tags{grid-column:2;display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.svc__tags li{
  font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--fg-dim);
  border:1px solid var(--line);border-radius:100px;padding:7px 14px;
  transition:border-color .4s,color .4s,background .4s;
}
.svc__row:hover .svc__tags li{border-color:var(--line-2);color:#fff}
.svc__media{
  grid-column:3;grid-row:1/span 4;position:relative;aspect-ratio:4/3;overflow:hidden;
  background:linear-gradient(135deg,#131313,#0a0a0a);
  border:1px solid var(--line);
}
.svc__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 55%,rgba(0,0,0,.42));
  opacity:.7;transition:opacity .6s;
}
.svc__media img,.svc__loop{
  width:100%;height:100%;object-fit:cover;display:block;
  /* couleur d'origine conservée : on se contente d'un léger assombrissement
     pour que le cadre tienne dans l'univers sombre du site */
  filter:contrast(1.04) brightness(.9) saturate(1.02);
  transform:scale(1.04);
  transition:transform 1.1s var(--ease),filter .8s var(--ease);
}
.svc__row:hover .svc__media img,.svc__row:hover .svc__loop{transform:scale(1);filter:contrast(1.02) brightness(1.06) saturate(1.06)}
.svc__row:hover .svc__media::after{opacity:.35}

/* =============== CARDS =============== */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{
  position:relative;overflow:hidden;padding:28px 26px 32px;
  border:1px solid var(--line);background:var(--bg-2);
  transition:transform .7s var(--ease),border-color .5s,background .5s;
}
.card:hover{transform:translateY(-8px);border-color:var(--line-2)}
.card__num{font-size:11px;letter-spacing:.24em;color:var(--fg-faint)}
.card h3{
  font-family:var(--display);font-weight:800;text-transform:uppercase;
  font-size:clamp(17px,1.7vw,23px);line-height:1.14;letter-spacing:-.01em;margin:18px 0 12px;
}
.card p{margin:0;color:var(--fg-dim);font-size:14.5px}
.card__glow{
  position:absolute;width:340px;height:340px;border-radius:50%;pointer-events:none;
  background:radial-gradient(circle,rgba(255,255,255,.11),transparent 65%);
  left:var(--mx,50%);top:var(--my,50%);transform:translate(-50%,-50%);
  opacity:0;transition:opacity .5s;
}
.card:hover .card__glow{opacity:1}

/* =============== RÉALISATIONS — CARROUSEL 3D =============== */
.deck{
  position:relative;
  padding:0;
  --card-w:clamp(220px,23vw,320px);
  overflow:hidden;
}
/* halo unique derrière la carte active — remplace la grille au sol */
.deck__glow{
  position:absolute;left:50%;top:44%;transform:translate(-50%,-50%);
  width:min(760px,120%);height:min(760px,120vw);pointer-events:none;
  background:radial-gradient(circle,rgba(255,255,255,.14) 0%,rgba(255,255,255,.05) 36%,transparent 70%);
  animation:breathe 9s ease-in-out infinite;
}
@keyframes breathe{0%,100%{opacity:.85;transform:translate(-50%,-50%) scale(1)}50%{opacity:1;transform:translate(-50%,-50%) scale(1.07)}}

.deck__stage{
  position:relative;height:clamp(400px,46vw,540px);
  perspective:1700px;perspective-origin:50% 46%;
  touch-action:pan-y;cursor:grab;
}
.deck__stage.is-drag{cursor:grabbing}

.slide{
  position:absolute;top:50%;left:50%;width:var(--card-w);
  margin:0;transform-style:preserve-3d;
  transition:transform .82s var(--deck-ease),opacity .55s ease,filter .6s ease;
  will-change:transform,opacity,filter;
}
.deck__stage.is-drag .slide{transition:none}

.slide__frame{
  position:relative;aspect-ratio:9/16;overflow:hidden;border-radius:6px;
  background:#080808;
  box-shadow:0 50px 110px -40px rgba(0,0,0,1),inset 0 0 0 1px rgba(255,255,255,.16);
}
.slide__frame video{width:100%;height:100%;object-fit:cover;display:block;background:#080808}

/* assombrissement des cartes en retrait */
.slide__frame::after{
  content:"";position:absolute;inset:0;z-index:2;pointer-events:none;
  background:#050505;opacity:.62;transition:opacity .6s ease;
}
.slide.is-active .slide__frame::after{opacity:0}

/* fine ligne lumineuse qui parcourt le cadre actif */
.slide__scan{
  position:absolute;inset:0;z-index:3;pointer-events:none;opacity:0;
  background:linear-gradient(180deg,transparent 0%,rgba(255,255,255,.14) 48%,rgba(255,255,255,.28) 50%,rgba(255,255,255,.14) 52%,transparent 100%);
  background-size:100% 220%;
  transition:opacity .6s ease;
}
.slide.is-active .slide__scan{opacity:.55;animation:sweep 5.5s linear infinite}
@keyframes sweep{0%{background-position:0 -110%}100%{background-position:0 210%}}

/* équerres de visée aux quatre coins */
.slide__hud{position:absolute;inset:10px;z-index:4;pointer-events:none;opacity:0;transition:opacity .55s ease .1s}
.slide.is-active .slide__hud{opacity:.9}
.slide__hud b{position:absolute;width:16px;height:16px;border:1px solid rgba(255,255,255,.95);filter:drop-shadow(0 0 3px rgba(0,0,0,.85))}
.slide__hud b:nth-child(1){top:0;left:0;border-right:0;border-bottom:0}
.slide__hud b:nth-child(2){top:0;right:0;border-left:0;border-bottom:0}
.slide__hud b:nth-child(3){bottom:0;left:0;border-right:0;border-top:0}
.slide__hud b:nth-child(4){bottom:0;right:0;border-left:0;border-top:0}
.slide.is-active .slide__hud b{animation:hudIn .7s var(--deck-ease) backwards}
.slide.is-active .slide__hud b:nth-child(1){animation-delay:.08s}
.slide.is-active .slide__hud b:nth-child(2){animation-delay:.13s}
.slide.is-active .slide__hud b:nth-child(3){animation-delay:.18s}
.slide.is-active .slide__hud b:nth-child(4){animation-delay:.23s}
@keyframes hudIn{from{opacity:0;transform:scale(2.1)}to{opacity:1;transform:none}}

/* barre de progression de la vidéo */
.slide__bar{
  position:absolute;left:10px;right:10px;bottom:10px;height:2px;z-index:4;
  background:rgba(0,0,0,.45);opacity:0;transition:opacity .5s ease;
  box-shadow:0 0 4px rgba(0,0,0,.6);
}
.slide.is-active .slide__bar{opacity:1}
.slide__bar i{display:block;height:100%;width:0;background:#fff;transform-origin:left}

.slide__zoom{
  position:absolute;inset:0;z-index:5;border:0;background:transparent;cursor:pointer;
  font-size:0;color:transparent;
}
.slide__meta{
  display:flex;flex-direction:column;gap:5px;margin-top:22px;text-align:center;
  opacity:0;filter:blur(6px);transform:translateY(10px);
  transition:opacity .6s ease .12s,filter .6s ease .12s,transform .6s var(--deck-ease) .12s;
}
.slide.is-active .slide__meta{opacity:1;filter:none;transform:none}
.slide__meta em{
  font-family:var(--display);font-weight:800;font-style:normal;text-transform:uppercase;
  font-size:clamp(15px,1.6vw,20px);letter-spacing:-.01em;
}
.slide__meta span{font-size:10px;letter-spacing:.24em;text-transform:uppercase;color:var(--fg-faint)}

.deck__ui{display:flex;align-items:center;justify-content:center;gap:24px;margin-top:clamp(18px,2.4vw,32px)}
.deck__arrow{
  width:46px;height:46px;border-radius:0;border:1px solid var(--line-2);background:transparent;
  color:#fff;display:grid;place-items:center;cursor:pointer;
  transition:background .4s var(--ease),color .4s,border-color .4s,transform .4s var(--ease);
}
.deck__arrow:hover{background:#fff;color:#000;border-color:#fff}
.deck__arrow:active{transform:scale(.93)}
.deck__dots{display:flex;gap:10px;align-items:center}
.deck__dot{
  width:22px;height:2px;border-radius:0;border:0;padding:0;cursor:pointer;
  background:rgba(255,255,255,.2);transition:background .45s,width .6s var(--deck-ease);
}
.deck__dot.is-on{background:#fff;width:46px}
.deck__hint{
  text-align:center;margin:16px 0 0;font-size:9.5px;letter-spacing:.24em;
  text-transform:uppercase;color:var(--fg-faint);
}

/* =============== LIGHTBOX =============== */
.lightbox{
  position:fixed;inset:0;z-index:9500;background:rgba(2,2,2,.94);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  display:flex;align-items:center;justify-content:center;padding:20px;
  opacity:0;pointer-events:none;transition:opacity .5s var(--ease);
}
.lightbox.is-open{opacity:1;pointer-events:auto}
.lightbox__inner{display:flex;flex-direction:column;align-items:center;gap:14px;max-width:100%}
.lightbox video{
  max-height:min(82vh,900px);max-width:100%;border-radius:12px;
  border:1px solid var(--line-2);background:#000;
  transform:scale(.94);transition:transform .6s var(--ease);
}
.lightbox.is-open video{transform:scale(1)}
.lightbox__title{
  margin:0;font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--fg-dim);
}
.lightbox__close{
  position:absolute;top:20px;right:20px;width:48px;height:48px;border-radius:50%;
  border:1px solid var(--line-2);background:transparent;color:#fff;font-size:26px;line-height:1;
  cursor:pointer;transition:background .4s,color .4s;
}
.lightbox__close:hover{background:#fff;color:#000}

/* =============== CLIENTS =============== */
.logos{overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:34px 0}
.logos__track{
  display:flex;align-items:center;gap:clamp(48px,7vw,110px);width:max-content;
  animation:scrollX 46s linear infinite;
}
.logos:hover .logos__track{animation-play-state:paused}
.logos__item{display:flex;align-items:center;flex:none}
.logos__item img{
  height:clamp(40px,4.6vw,64px);width:auto;
  max-width:clamp(180px,19vw,290px);object-fit:contain;object-position:center;
  opacity:.55;transition:opacity .45s var(--ease),transform .45s var(--ease);
}
.logos__item:hover img{opacity:1;transform:scale(1.05)}

/* =============== CONTACT =============== */
.contact{padding-bottom:clamp(44px,5vw,78px)}
.contact__grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(34px,6vw,90px);align-items:start}
.contact__title{
  font-family:var(--display);font-weight:900;margin:0;text-transform:uppercase;
  font-size:clamp(34px,5.6vw,84px);line-height:.98;letter-spacing:-.03em;
}
.contact__note{color:var(--fg-dim);margin:22px 0 0;font-size:15px}
.contact__info{margin-top:26px;display:flex;flex-direction:column;gap:1px;background:var(--line);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.contact__info li{
  background:var(--bg);display:flex;flex-wrap:wrap;gap:6px 18px;align-items:baseline;padding:16px 0;
}
.contact__info em{
  font-style:normal;font-size:10.5px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--fg-faint);min-width:110px;
}
.contact__info a{border-bottom:1px solid transparent;transition:border-color .4s,color .4s;color:var(--fg-dim)}
.contact__info a:hover{color:#fff;border-bottom-color:#fff}

/* form */
.form{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{position:relative;grid-column:span 1}
.field--full{grid-column:1/-1}
.field input,.field textarea,.field select{
  width:100%;background:transparent;border:0;border-bottom:1px solid var(--line);
  padding:20px 2px 12px;color:#fff;font-family:var(--sans);font-size:15px;font-weight:300;
  outline:none;border-radius:0;-webkit-appearance:none;appearance:none;
}
.field textarea{resize:vertical;min-height:120px}
.field select{color:var(--fg);cursor:pointer}
.field select option{background:#0b0b0b;color:#fff}
.field label{
  position:absolute;left:2px;top:20px;font-size:15px;color:var(--fg-faint);
  pointer-events:none;transition:transform .45s var(--ease),font-size .45s var(--ease),color .45s;
  transform-origin:left top;
}
.field input:focus+label,.field textarea:focus+label,
.field input:not(:placeholder-shown)+label,.field textarea:not(:placeholder-shown)+label,
.field--select select:focus+label,.field--select select:valid+label{
  transform:translateY(-18px) scale(.72);color:var(--fg-dim);
}
.field i{
  position:absolute;left:0;bottom:0;height:1px;width:100%;background:#fff;
  transform:scaleX(0);transform-origin:left;transition:transform .55s var(--ease);
}
.field input:focus~i,.field textarea:focus~i,.field select:focus~i{transform:scaleX(1)}
.field--select::after{
  content:"";position:absolute;right:6px;top:26px;width:7px;height:7px;
  border-right:1px solid var(--fg-faint);border-bottom:1px solid var(--fg-faint);
  transform:rotate(45deg);pointer-events:none;
}
.form__legal{grid-column:1/-1;font-size:11px;color:var(--fg-faint);margin:0;letter-spacing:.04em}
.form.is-sent .btn,.form.is-sending .btn{pointer-events:none}
.form.is-sending{opacity:.72;transition:opacity .3s}

/* pot de miel : invisible à l'écran, invisible aux lecteurs d'écran, rempli par les robots */
.field--trap{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* état d'un champ refusé par le serveur */
.field.is-error input,.field.is-error textarea,.field.is-error select{border-bottom-color:rgba(255,255,255,.6)}
.field.is-error label{color:#fff}

.form__status{
  grid-column:1/-1;margin:0;min-height:1.2em;
  font-size:13px;line-height:1.5;color:var(--fg-dim);
}
.form__status.is-ok{color:#fff}
.form__status.is-error{color:#fff;padding-left:12px;border-left:2px solid rgba(255,255,255,.55)}

/* =============== FOOTER =============== */
.footer{border-top:1px solid var(--line);padding:0 var(--pad) 26px;overflow:hidden}
.footer__big{
  font-family:var(--display);font-weight:900;text-transform:uppercase;line-height:.86;
  font-size:clamp(44px,12.5vw,200px);letter-spacing:-.045em;white-space:nowrap;
  color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.16);
  text-align:center;margin:22px 0 18px;user-select:none;
  transition:-webkit-text-stroke-color .6s;
}
.footer:hover .footer__big{-webkit-text-stroke-color:rgba(255,255,255,.34)}
.footer__bar{
  display:flex;flex-wrap:wrap;gap:14px 26px;justify-content:space-between;align-items:center;
  border-top:1px solid var(--line);padding-top:22px;
  font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--fg-faint);
}
.footer__up{border-bottom:1px solid var(--line-2);padding-bottom:3px;transition:color .4s,border-color .4s}
.footer__up:hover{color:#fff;border-color:#fff}

/* =============== RESPONSIVE =============== */
@media (max-width:1080px){
  .stats{grid-template-columns:repeat(2,1fr)}
  .cards{grid-template-columns:1fr;gap:14px}
  .svc__row{grid-template-columns:48px 1fr;grid-template-rows:auto}
  .svc__media{grid-column:1/-1;grid-row:auto;margin-top:24px;aspect-ratio:16/10}
  .svc__desc,.svc__tags{grid-column:2}
  .contact__grid{grid-template-columns:1fr}
}
@media (max-width:860px){
  .nav__links,.nav__cta{display:none}
  .burger{display:block}
  .nav{padding-top:16px;padding-bottom:16px}
  .hero{padding-top:112px}
  .hero__bg img{object-position:66% 26%}
  .hero__veil{
    background:linear-gradient(180deg,rgba(5,5,5,.5) 0%,rgba(5,5,5,.15) 26%,rgba(5,5,5,.82) 62%,rgba(5,5,5,.98) 100%);
  }
  .hero__bottom{flex-direction:column;align-items:flex-start}
  .hero__meta{font-size:9px;letter-spacing:.16em}
  .hero__meta span:last-child{display:none}
  .form{grid-template-columns:1fr}
  .svc__row{grid-template-columns:1fr;grid-template-rows:auto;column-gap:0}
  .svc__num{padding-top:0;display:block;margin-bottom:12px}
  .svc__desc,.svc__tags{grid-column:1}
  .contact__info em{min-width:90px}
  .menu{justify-content:flex-start;padding-top:120px}
  .deck{--card-w:clamp(175px,50vw,235px)}
  .deck__stage{height:clamp(470px,128vw,640px)}
  .deck__glow{width:120vw;height:120vw}
  .lightbox__close{top:14px;right:14px;width:42px;height:42px;font-size:22px}
}
@media (max-width:520px){
  .hero__title{font-size:clamp(46px,16vw,90px)}
  .stats{grid-template-columns:1fr}
  .btn{padding:14px 24px;font-size:11.5px}
  .hero__actions{width:100%}
  .hero__actions .btn{flex:1 1 100%}
}


/* =============== DÉFILEMENT LISSÉ =============== */
/* Activé par le JS sur ordinateur uniquement : sur mobile, l'inertie
   native du système reste meilleure que tout ce qu'on peut simuler. */
html.smooth,html.smooth body{overflow:hidden;height:100%}
html.smooth #viewport{
  position:fixed;top:0;left:0;width:100%;
  will-change:transform;
}
#viewport{transform-origin:50% 0}

/* barre de progression du scroll, collée sous la nav */
.nav__progress{
  position:absolute;left:0;bottom:-1px;height:2px;width:100%;
  background:#fff;transform:scaleX(0);transform-origin:left;
  opacity:0;transition:opacity .5s ease;
}
.nav.is-solid .nav__progress{opacity:.9}

/* titres de section entraînés par le scroll */
[data-drift]{will-change:transform}

/* apparition des lignes de service : volet + décalage */
.svc__row{clip-path:inset(0 0 0 0)}
.svc__title span{will-change:transform}

/* les cartes arrivent l'une après l'autre */
.cards .card{transition-delay:0s}
.cards .card:nth-child(2){transition-delay:.09s}
.cards .card:nth-child(3){transition-delay:.18s}

/* révélation par volet, plus franche qu'un simple fondu */
.wipe{clip-path:inset(0 100% 0 0);transition:clip-path 1.05s var(--ease)}
.wipe.is-in{clip-path:inset(0 0 0 0)}

/* =============== A11Y / MOTION =============== */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s!important;animation-iteration-count:1!important;transition-duration:.001s!important}
  .reveal,.svc__row{opacity:1;transform:none}
  .hero__title .char{opacity:1;transform:none}
  .bigtext .word{opacity:1;filter:none}
  .grain{display:none}
  html.smooth,html.smooth body{overflow:auto;height:auto}
  html.smooth #viewport{position:static;transform:none!important}
  .wipe{clip-path:none}
}
:focus-visible{outline:2px solid #fff;outline-offset:3px}


/* =========================================================
   GOTHAM — à activer quand vous aurez la licence web
   ---------------------------------------------------------
   Gotham (Hoefler & Co) est une police commerciale : elle ne peut
   pas être livrée avec le site. Une fois la licence web achetée,
   déposez les fichiers dans assets/fonts/ et retirez les /* */ /*
   autour du bloc ci-dessous. Rien d'autre à changer : la variable
   --display place déjà "Gotham" en tête de la pile.

@font-face{
  font-family:"Gotham";
  src:url("../assets/fonts/Gotham-Book.woff2") format("woff2");
  font-weight:400;font-style:normal;font-display:swap;
}
@font-face{
  font-family:"Gotham";
  src:url("../assets/fonts/Gotham-Medium.woff2") format("woff2");
  font-weight:500;font-style:normal;font-display:swap;
}
@font-face{
  font-family:"Gotham";
  src:url("../assets/fonts/Gotham-Bold.woff2") format("woff2");
  font-weight:700;font-style:normal;font-display:swap;
}
@font-face{
  font-family:"Gotham";
  src:url("../assets/fonts/Gotham-Black.woff2") format("woff2");
  font-weight:800 900;font-style:normal;font-display:swap;
}
   ========================================================= */