/* Marketingy — jetons */
:root{
  --nuit:#120C1E;        /* fond principal, aubergine nuit */
  --aubergine:#1E1530;   /* surfaces */
  --aubergine-2:#2A1F42; /* filets, champs */
  --violet:#9A72FF;
  --magenta:#E06BE6;
  --bleu:#4F9BFF;
  --petrole:#0B3C44;
  --texte:#F2EDF7;
  --doux:#BDB2CF;
  --filet:rgba(242,237,247,.14);
  --champ:#7E6F99;       /* bordure de champ, >= 3:1 sur --aubergine */

  --f:'Manrope',system-ui,-apple-system,'Segoe UI',sans-serif;
  --t-xs:.8125rem; --t-s:.9375rem; --t-m:1.0625rem; --t-l:clamp(1.25rem,1.05rem + .8vw,1.625rem);
  --t-h3:clamp(1.75rem,1.3rem + 1.8vw,2.75rem);
  --t-h2:clamp(2.25rem,1.4rem + 3.6vw,4.5rem);
  --t-hero:clamp(3.4rem,.9rem + 11vw,12.5rem);

  --s1:.5rem; --s2:1rem; --s3:1.5rem; --s4:2.5rem; --s5:4rem; --s6:clamp(5rem,3rem + 8vw,10rem);
  --gutter:max(1.25rem, env(safe-area-inset-left), env(safe-area-inset-right));
  --max:78rem;
  --r:999px; --r-s:.375rem;
  --ease:cubic-bezier(.2,.7,.1,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;background:var(--nuit)}
body{margin:0;background:var(--nuit);color:var(--texte);font-family:var(--f);font-weight:300;font-size:var(--t-m);line-height:1.6;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;overflow-x:clip}
img,svg,video{display:block;max-width:100%}
a{color:inherit}
h1,h2,h3{margin:0;font-weight:300;letter-spacing:-.02em;line-height:1.05;text-wrap:balance}
p{margin:0;text-wrap:pretty}
:focus-visible{outline:2px solid var(--bleu);outline-offset:3px;border-radius:var(--r-s)}
.wrap{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:var(--gutter)}
.skip{position:absolute;left:var(--gutter);top:-4rem;z-index:50;background:var(--texte);color:var(--nuit);padding:.75rem 1rem;border-radius:var(--r-s)}
.skip:focus{top:max(.75rem, env(safe-area-inset-top))}

/* Boutons et liens */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.6rem;min-height:3rem;padding:0 1.6rem;border-radius:var(--r);background:var(--texte);color:var(--nuit);font:500 var(--t-s)/1 var(--f);text-decoration:none;border:1px solid var(--texte);cursor:pointer;transition:background-color .25s,color .25s,border-color .25s}
.btn:hover{background:transparent;color:var(--texte)}
.btn-ghost{background:transparent;color:var(--texte);border-color:var(--filet)}
.btn-ghost:hover{border-color:var(--texte)}
.link{display:inline-flex;align-items:center;min-height:2.75rem;font-weight:400;text-decoration:none;background:linear-gradient(currentColor,currentColor) 0 calc(100% - .55rem)/100% 1px no-repeat;transition:background-size .35s var(--ease)}
.link:hover{background-size:0 1px;background-position:100% calc(100% - .55rem)}

/* En-tête */
.top{position:fixed;inset:0 0 auto;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:var(--s2);padding:max(.75rem, env(safe-area-inset-top)) var(--gutter) .75rem;transition:background-color .4s,border-color .4s;border-bottom:1px solid transparent}
.top.is-solid{background:rgba(18,12,30,.92);border-color:var(--filet)}
.brand{display:inline-flex;align-items:center;gap:.6rem;min-height:2.75rem;text-decoration:none;font-weight:500;font-size:1.0625rem;letter-spacing:.01em;position:relative;z-index:2}
.mark{width:2.25rem;height:2.25rem}
.nav{display:flex;align-items:center;gap:var(--s3)}
.nav a{display:inline-flex;align-items:center;min-height:2.75rem;text-decoration:none;font-size:var(--t-s);font-weight:400;color:var(--doux);transition:color .2s}
.nav a:hover{color:var(--texte)}
.nav .nav-cta{color:var(--texte);border:1px solid var(--filet);border-radius:var(--r);padding:0 1.1rem}
.nav .nav-cta:hover{border-color:var(--texte)}
.menu-btn{display:none}

@media (max-width:820px){
  .menu-btn{display:inline-flex;align-items:center;justify-content:center;position:relative;z-index:2;min-width:2.75rem;min-height:2.75rem;padding:0 1rem;border:1px solid var(--filet);border-radius:var(--r);background:transparent;color:var(--texte);font:400 var(--t-s)/1 var(--f);cursor:pointer}
  .nav{position:fixed;inset:0;z-index:1;flex-direction:column;align-items:flex-start;justify-content:center;gap:var(--s1);padding:calc(5rem + env(safe-area-inset-top)) var(--gutter) calc(2rem + env(safe-area-inset-bottom));background:var(--nuit);opacity:0;visibility:hidden;transition:opacity .35s var(--ease),visibility .35s}
  .nav a{font-size:clamp(1.75rem,8vw,2.5rem);font-weight:300;color:var(--texte);min-height:3.25rem}
  .nav .nav-cta{margin-top:var(--s3);font-size:var(--t-m);font-weight:400;min-height:3rem;padding:0 1.4rem}
  .top.is-open .nav{opacity:1;visibility:visible}
  .top.is-open{background:var(--nuit)}
}

/* Hero */
.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:flex-end;overflow:hidden;isolation:isolate}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;background:linear-gradient(var(--nuit),rgba(18,12,30,0) 16%),linear-gradient(to top,var(--nuit) 0,rgba(18,12,30,.74) 30%,rgba(18,12,30,0) 60%)}
@media (min-width:821px){.hero::after{background:linear-gradient(var(--nuit),rgba(18,12,30,0) 16%),linear-gradient(to top,var(--nuit) 0,rgba(18,12,30,0) 26%),linear-gradient(to right,rgba(18,12,30,.88) 0,rgba(18,12,30,.5) 30%,rgba(18,12,30,0) 50%)}}
.hero-inner{width:100%;max-width:var(--max);margin-inline:auto;padding:calc(6rem + env(safe-area-inset-top)) var(--gutter) calc(var(--s5) + env(safe-area-inset-bottom))}
.hero-word{font-size:var(--t-hero);font-weight:200;letter-spacing:-.055em;line-height:.9;margin-left:-.04em}
.hero-word .ch{display:inline-block}
.hero-sign{margin-top:var(--s3);font-size:var(--t-l);font-weight:400;letter-spacing:-.01em;color:var(--texte)}
.hero-lead{margin-top:var(--s2);max-width:34rem;color:var(--doux)}
.hero-actions{margin-top:var(--s4);display:flex;flex-wrap:wrap;align-items:center;gap:var(--s2) var(--s4)}
.scroll-cue{position:absolute;right:var(--gutter);bottom:calc(var(--s4) + env(safe-area-inset-bottom));width:2.75rem;height:2.75rem;display:grid;place-items:center}
.scroll-cue span{width:1px;height:2.5rem;background:linear-gradient(var(--texte),transparent);transform-origin:top;animation:cue 2.4s var(--ease) infinite}
@keyframes cue{0%{transform:scaleY(0)}50%{transform:scaleY(1)}100%{transform:scaleY(1);opacity:0}}
@media (max-width:820px){.scroll-cue{display:none}.hero-inner{padding-top:40svh;padding-bottom:calc(var(--s4) + env(safe-area-inset-bottom))}.hero-actions{margin-top:var(--s3);flex-direction:column;align-items:flex-start;gap:var(--s1)}}

/* Titres */
.h2{font-size:var(--t-h2)}
.h3{font-size:var(--t-h3)}
.lead{font-size:var(--t-l);color:var(--doux);max-width:36rem;margin-top:var(--s3);line-height:1.5}

/* Expertises */
.expertises{padding-block:var(--s6)}
.exp-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:var(--s5)}
.exp-head{position:sticky;top:7rem;align-self:start}
.exp-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--filet)}
.exp{border-bottom:1px solid var(--filet)}
.exp-btn{width:100%;display:flex;align-items:center;justify-content:space-between;gap:var(--s2);min-height:5.5rem;padding:var(--s3) 0;background:none;border:0;color:var(--texte);font:300 var(--t-h3)/1.1 var(--f);letter-spacing:-.02em;text-align:left;cursor:pointer}
.exp-name{transition:transform .5s var(--ease),color .3s}
.exp-btn:hover .exp-name{transform:translateX(.5rem)}
.exp-sign{flex:none;position:relative;width:1.25rem;height:1.25rem}
.exp-sign::before,.exp-sign::after{content:"";position:absolute;left:0;right:0;top:50%;height:1px;background:currentColor;transition:transform .4s var(--ease)}
.exp-sign::after{transform:rotate(90deg)}
.exp-btn[aria-expanded="true"] .exp-sign::after{transform:rotate(0)}
.exp-key .exp-name{font-weight:400;display:inline-flex;align-items:center;gap:.9rem}
.exp-key .exp-name::before{content:"";flex:none;width:.5rem;height:.5rem;border-radius:50%;background:var(--magenta)}
.exp-body{padding:0 0 var(--s4);max-width:38rem;display:grid;gap:var(--s2);animation:open .5s var(--ease)}
.exp-body[hidden]{display:none}
.exp-body p{color:var(--doux)}
.exp-body .deliv{color:var(--texte);font-size:var(--t-s);padding-left:var(--s2);border-left:1px solid var(--violet)}
@keyframes open{from{opacity:0;transform:translateY(-.5rem)}}
@media (max-width:900px){.exp-grid{grid-template-columns:1fr;gap:var(--s4)}.exp-head{position:static}.exp-btn{min-height:4.5rem}}

/* Réalisations */
.work{padding-block:var(--s6) 0;border-top:1px solid var(--filet)}
.case{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:var(--s5);align-items:start;padding-top:var(--s6)}
.case-alt{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}
.case-alt .case-media{order:2}
.case-media{position:relative;perspective:1600px;padding-bottom:var(--s5)}
.shot{margin:0;border-radius:var(--r-s);overflow:hidden;background:var(--aubergine);border:1px solid var(--filet);transform-origin:50% 100%;will-change:transform}
.shot img{width:100%;height:auto}
.shot-small{position:absolute;width:46%;right:-4%;bottom:0;box-shadow:0 0 0 1px var(--nuit)}
.shot-phone{position:absolute;width:30%;max-width:15rem;right:-3%;bottom:0;border-radius:1.25rem;box-shadow:0 0 0 6px var(--nuit)}
.shot-logo{background:#fff;padding:var(--s5) var(--s4)}
.case-text{display:grid;gap:var(--s2);padding-top:var(--s1)}
.scope{color:var(--violet);font-weight:400;font-size:var(--t-s)}
.case dl{margin:var(--s2) 0 0;display:grid;gap:var(--s1)}
.case dt{font-size:var(--t-s);font-weight:500;color:var(--texte);margin-top:var(--s2)}
.case dt:first-child{margin-top:0}
.case dd{margin:0;color:var(--doux)}
.note{font-size:var(--t-xs);color:var(--doux)}
@media (max-width:900px){
  .case,.case-alt{grid-template-columns:1fr;gap:var(--s4)}
  .case-alt .case-media{order:0}
  .shot-small{right:0}.shot-phone{right:0;width:34%}
}

/* Méthode : ligne de temps verticale, remplie au défilement */
.method{padding-block:var(--s6)}
.method-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:var(--s5)}
.method-title{position:sticky;top:7rem;align-self:start}
.steps{list-style:none;margin:0;padding:0 0 0 3rem;position:relative;display:grid;gap:var(--s5)}
.tl-line{position:absolute;left:.3125rem;top:.6rem;bottom:.6rem;width:1px;background:var(--filet)}
.tl-fill{position:absolute;inset:0;background:linear-gradient(var(--magenta),var(--violet),var(--bleu));transform-origin:top;transform:scaleY(var(--p,0))}
.orbit-dot{position:absolute;left:50%;top:calc(var(--p,0) * 100%);width:.625rem;height:.625rem;margin:-.3125rem 0 0 -.3125rem;border-radius:50%;background:var(--magenta)}
.steps li:not(.tl-line){display:grid;gap:var(--s1);max-width:30rem}
.steps li:nth-child(odd):not(.tl-line){margin-left:clamp(0rem,6vw,6rem)}
.step-n{font-size:var(--t-s);color:var(--violet);font-weight:500}
.steps h3{font-size:var(--t-h3);font-weight:300}
.steps p{color:var(--doux)}
@media (max-width:900px){
  .method-grid{grid-template-columns:1fr;gap:var(--s4)}
  .method-title{position:static}
  .steps{padding-left:2.25rem;gap:var(--s4)}
  .steps li:nth-child(odd):not(.tl-line){margin-left:0}
}
@media (prefers-reduced-motion:reduce){.tl-fill{transform:none}.orbit-dot{display:none}}


/* Contact */
.contact{padding-block:var(--s6);border-top:1px solid var(--filet)}
.contact-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:var(--s5)}
.form{display:grid;gap:var(--s3)}
.field{display:grid;gap:var(--s1);border:0;margin:0;padding:0;min-width:0}
.field label,.field legend{font-size:var(--t-s);font-weight:400;color:var(--texte);padding:0}
.field legend{margin-bottom:var(--s1)}
input,textarea{font:300 1rem/1.4 var(--f);color:var(--texte);background:var(--aubergine);border:1px solid var(--champ);border-radius:var(--r-s);padding:.8rem 1rem;min-height:3rem;width:100%;-webkit-appearance:none;appearance:none}
textarea{resize:vertical;min-height:7.5rem}
input:focus,textarea:focus{outline:2px solid var(--bleu);outline-offset:1px;border-color:var(--bleu)}
.chips{display:flex;flex-wrap:wrap;gap:var(--s1)}
.chips label{position:relative;display:inline-flex}
.chips input{position:absolute;inset:0;opacity:0;min-height:0;cursor:pointer}
.chips span{display:inline-flex;align-items:center;min-height:2.75rem;padding:0 1.1rem;border:1px solid var(--champ);border-radius:var(--r);font-size:var(--t-s);transition:background-color .2s,color .2s,border-color .2s}
.chips input:checked+span{background:var(--texte);color:var(--nuit);border-color:var(--texte)}
.chips input:focus-visible+span{outline:2px solid var(--bleu);outline-offset:2px}
.form .btn{justify-self:start}
.form-msg{font-size:var(--t-s);color:var(--doux);min-height:1.5em}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr;gap:var(--s4)}.form .btn{justify-self:stretch}}

.foot{border-top:1px solid var(--filet);padding:var(--s3) 0 calc(var(--s3) + env(safe-area-inset-bottom))}
.foot-inner{display:flex;justify-content:space-between;align-items:center;gap:var(--s2);color:var(--doux);font-size:var(--t-s)}
.foot .credit{display:block;margin:.25rem 0 0}.foot .link{white-space:nowrap}
@media (min-width:821px){.foot .credit{display:inline;margin:0 0 0 var(--s3)}}

/* Animations au défilement (transform/opacity uniquement) */
.js .reveal{opacity:0;transform:translateY(1.5rem);transition:opacity .9s var(--ease),transform .9s var(--ease);transition-delay:var(--d,0s)}
.js .reveal.is-in{opacity:1;transform:none}
.js [data-split] .w{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.08em;margin-bottom:-.08em}
.js [data-split] .w>span{display:inline-block;transform:translateY(105%);transition:transform 1s var(--ease);transition-delay:calc(var(--l,0) * .12s)}
.js [data-split].is-in .w>span{transform:none}
.js .hero-word .ch{opacity:0;transform:translateY(.25em);transition:opacity 1.2s var(--ease),transform 1.2s var(--ease);transition-delay:calc(var(--i) * .045s)}
.is-loaded .hero-word .ch{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal,.js [data-split] .w>span,.js .hero-word .ch{opacity:1;transform:none;transition:none}
  .scroll-cue span,.exp-body{animation:none}
}
@media print{
  .js .reveal,.js [data-split] .w>span,.js .hero-word .ch{opacity:1;transform:none}
  .top,.scroll-cue,.film-hud,.film-load,.film-canvas{display:none}
}





.credit{margin-left:var(--s2);font-size:var(--t-xs);color:var(--doux)}

/* Film : sans JS ni mouvement, sections empilées avec image d'attente */
.clip{position:absolute;inset:0;overflow:hidden;background:var(--nuit)}
.clip picture,.clip img{position:absolute;inset:0;width:100%;height:100%;max-width:none;object-fit:cover}
.hero .clip{z-index:-2}
.film-canvas,.film-hud,.film-load{display:none}
.film{position:relative}
.film-intro{padding-top:var(--s6);padding-bottom:var(--s5)}
.chapters{list-style:none;margin:0;padding:0}
.chapter{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:flex-end;overflow:hidden;isolation:isolate}
.chapter .clip{z-index:-1}
.ch-text{position:relative;width:100%;padding:var(--s5) var(--gutter) calc(var(--s4) + env(safe-area-inset-bottom))}
.ch-text::before{content:"";position:absolute;inset:-16rem 0 0;z-index:-1;pointer-events:none;background:linear-gradient(to bottom,rgba(18,12,30,0) 0,rgba(18,12,30,.12) 3rem,rgba(18,12,30,.38) 7rem,rgba(18,12,30,.66) 11rem,rgba(18,12,30,.86) 16rem,rgba(18,12,30,.95) 100%)}
.ch-title{font-size:clamp(2rem,.55rem + 6.2vw,6.75rem);font-weight:200;letter-spacing:-.04em;line-height:1;max-width:16ch}
.ch-body{margin-top:var(--s3);display:grid;gap:var(--s2)}
.ch-body p{color:var(--texte);font-size:var(--t-s);line-height:1.55;max-width:34rem}
.ch-body .deliv{color:var(--doux);padding-left:var(--s2);border-left:1px solid var(--violet)}
.ln{display:block;overflow:hidden;padding-bottom:.14em;margin-bottom:-.14em}
.ln>span{display:block}
.finale{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:flex-end;overflow:hidden;isolation:isolate}
.finale .clip{z-index:-2}
.finale::after{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;background:linear-gradient(to top,var(--nuit) 0,rgba(18,12,30,.8) 34%,rgba(18,12,30,0) 66%)}
.finale-inner{padding-top:var(--s6);padding-bottom:calc(var(--s5) + env(safe-area-inset-bottom))}
.sign{font-size:var(--t-h2);font-weight:200;max-width:14ch}
.finale .lead{color:var(--texte)}
@media (min-width:821px) and (orientation:landscape){
  .ch-text{padding:var(--s6) max(var(--gutter),4vw) var(--s5)}
  .ch-text::before{background:linear-gradient(to bottom,rgba(18,12,30,0) 0,rgba(18,12,30,.08) 3rem,rgba(18,12,30,.26) 7rem,rgba(18,12,30,.52) 11rem,rgba(18,12,30,.74) 16rem,rgba(18,12,30,.86) 100%);-webkit-mask-image:linear-gradient(to right,#000 0,#000 64%,rgba(0,0,0,.45) 84%,transparent 100%);mask-image:linear-gradient(to right,#000 0,#000 64%,rgba(0,0,0,.45) 84%,transparent 100%)}
  .ch-body{grid-template-columns:minmax(0,34rem) minmax(0,21rem);gap:var(--s5);align-items:end;margin-top:var(--s4)}
  .ch-body p{font-size:var(--t-m)}
  .ch-body .deliv{font-size:var(--t-s)}
  .finale{align-items:center}
  .finale::after{background:linear-gradient(to top,var(--nuit) 0,rgba(18,12,30,0) 22%),linear-gradient(to right,rgba(18,12,30,.9) 0,rgba(18,12,30,.55) 32%,rgba(18,12,30,0) 54%)}
}

/* Film piloté par le défilement (classe posée par film.js, jamais en mouvement réduit) : une scène épinglée, un canvas */
.film-on .film-track{height:900vh}
.film-on .film-stage{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden;isolation:isolate;background:var(--nuit)}
.film-on .film-canvas{display:block;position:absolute;inset:0;width:100%;height:100%;max-width:none;z-index:0;animation:film-breathe 12s ease-in-out infinite alternate}
@keyframes film-breathe{from{transform:scale(1)}to{transform:scale(1.02)}}
.film-on .hero{position:absolute;inset:0;min-height:0;z-index:2}
.film-on .hero .clip img{object-position:50% 50%}
.film-ready .hero .clip{visibility:hidden}
.film-on .film-intro{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.film-on .chapters{position:absolute;inset:0;z-index:2;pointer-events:none}
.film-on .chapter{position:absolute;inset:0;min-height:0;overflow:visible;isolation:auto}
.film-on .chapter .clip,.film-on .finale .clip{display:none}
.film-on .ch-text{opacity:0;visibility:hidden;pointer-events:auto;will-change:opacity,transform}
.film-on .ln>span{transform:translate3d(0,112%,0);will-change:transform}
.film-on .finale{position:absolute;inset:0;min-height:0;z-index:2;opacity:0;visibility:hidden}
.film-on .finale [data-split] .w>span{transform:none;transition:none}
.film-on .finale .reveal{opacity:1;transform:none;transition:none}
.film-on .film-stage::before{content:"";position:absolute;inset:0 0 auto;height:9rem;z-index:3;pointer-events:none;background:linear-gradient(rgba(18,12,30,.7),rgba(18,12,30,0));transition:opacity .25s}
.flash-on .film-stage::before{opacity:0}
.film-on .film-hud{display:flex;align-items:center;gap:.6rem;position:absolute;z-index:6;right:max(var(--gutter),4vw);bottom:calc(var(--s5) + env(safe-area-inset-bottom));margin:0;opacity:0;font-size:var(--t-xs);font-weight:400;letter-spacing:.14em;color:var(--texte);font-variant-numeric:tabular-nums;text-shadow:0 0 12px rgba(18,12,30,.9),0 0 2px rgba(18,12,30,.9)}
.film-of{color:var(--doux)}
.film-bar{display:block;width:5.5rem;height:1px;background:var(--filet);overflow:hidden}
.film-bar>span{display:block;width:100%;height:100%;background:var(--texte);transform:scaleX(0);transform-origin:left}
.film-on .film-load{display:block;position:absolute;inset:auto 0 0;height:2px;z-index:6;transition:opacity .8s .2s}
.film-load>span{display:block;height:100%;background:var(--violet);transform:scaleX(0);transform-origin:left;transition:transform .3s linear}
.film-load.is-done{opacity:0}
.in-film .top.is-solid{background:transparent;border-color:transparent}
.top,.top a,.top button{transition:color .25s var(--ease),border-color .25s var(--ease),background-color .4s}
.flash-on .top,.flash-on .top a,.flash-on .top button{color:#1B1228}
.flash-on .top .nav-cta,.flash-on .top .menu-btn{border-color:rgba(27,18,40,.5)}
@media (max-width:820px),(orientation:portrait){
  .film-on .film-track{height:960vh;height:960svh}
  .film-on .film-hud{right:auto;left:var(--gutter);bottom:auto;top:calc(5rem + env(safe-area-inset-top))}
}

/* iPhone : le film couvre aussi la zone libérée quand la barre de Safari se replie ; les textes restent dans la zone toujours visible */
@supports (height:100lvh){
  .film-on .film-stage{height:100lvh}
  .film-on .hero,.film-on .chapters,.film-on .finale{bottom:calc(100lvh - 100svh)}
  .film-on .ch-text::before{bottom:calc(100svh - 100lvh - 2px)}
  .film-on .finale::after,.film-on .hero::after{bottom:calc(100svh - 100lvh - 2px)}
}