/* V5 : la vidéo de la V3 seule, pour un lien de newsletter. Fond nuit, police Clash et bleus de la charte Integralys. */
@font-face{font-family:Clash;src:url('../fonts/ClashDisplay-Medium.woff2') format('woff2');font-weight:500;font-display:swap}
:root{
  --night:#0a1024;--royal:#4b71ff;--slate:#244cca;--orchid:#a552cc;--gold:#fec846;
  --text:#fff;--soft:#b9c1da;--faint:#8a93ad;--rule:rgba(255,255,255,.1);
  --heading:Clash,'Segoe UI',sans-serif;--body:'Segoe UI',system-ui,-apple-system,Roboto,Arial,sans-serif
}
*,*::before,*::after{box-sizing:border-box}
html{height:100%;background:var(--night)}
body{position:relative;margin:0;min-height:100%;display:flex;flex-direction:column;color:var(--text);font:16px/1.65 var(--body);-webkit-font-smoothing:antialiased;
  background:
    radial-gradient(1100px 620px at 50% -12%,rgba(75,113,255,.38),transparent 62%),
    radial-gradient(700px 460px at 92% 38%,rgba(165,82,204,.16),transparent 65%),
    radial-gradient(640px 420px at 6% 70%,rgba(36,76,202,.18),transparent 65%),
    var(--night)}
/* Trame fine, effacée vers les bords. */
body::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(ellipse 70% 55% at 50% 22%,#000 20%,transparent 75%);mask-image:radial-gradient(ellipse 70% 55% at 50% 22%,#000 20%,transparent 75%)}
img{display:block;max-width:100%;height:auto}
h1,p,figure{margin:0}
a{color:inherit;text-underline-offset:.25em}
:focus-visible{outline:2px solid var(--gold);outline-offset:4px}
main,.footer{position:relative}
main{flex:1}
.wrap{width:min(1180px,calc(100% - 96px));margin-inline:auto}

/* Haut de page */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px 24px;flex-wrap:wrap;padding-block:26px 0}
.topbar img{width:132px}
.hero{padding-block:48px 88px;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:10px;padding:7px 16px;border:1px solid rgba(255,255,255,.14);border-radius:999px;background:rgba(255,255,255,.04);font-size:11px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:#cdd6ff}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);box-shadow:0 0 12px var(--gold)}
.hero h1{max-width:1100px;margin:0 auto;font-family:var(--heading);font-weight:500;font-size:clamp(32px,3.4vw,50px);line-height:1.1;letter-spacing:-.025em;word-spacing:.08em;text-wrap:balance}
.accent{background:linear-gradient(90deg,#9fb3ff,#d3c4ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{max-width:700px;margin:24px auto 0;font-size:17px;line-height:1.75;color:var(--soft);text-wrap:pretty}
.hero-actions{margin-top:44px}
.button{display:inline-flex;gap:14px;align-items:center;min-height:54px;padding:14px 28px;border-radius:999px;background:#fff;color:#14205a;font-size:15px;font-weight:600;text-decoration:none;box-shadow:0 10px 30px -8px rgba(75,113,255,.6);transition:transform .2s,box-shadow .2s}
.button>span{font-size:18px;line-height:1;color:var(--slate)}
.button:hover{transform:translateY(-2px);box-shadow:0 16px 40px -8px rgba(75,113,255,.8)}

/* La vidéo, dans un cadre de verre. */
.hero-figure{position:relative;max-width:1120px;margin:44px auto 0;padding:10px;border-radius:22px;border:1px solid rgba(255,255,255,.12);
  background:linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.02));
  box-shadow:0 50px 120px -40px rgba(75,113,255,.55),0 24px 60px rgba(0,0,0,.45)}
.hero-figure video{display:block;width:100%;height:auto;aspect-ratio:16/9;border-radius:13px;background:#000}
/* Fin de la vidéo : le rendez-vous par-dessus la dernière image. */
.fin{position:absolute;inset:10px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;border-radius:13px;background:rgba(10,16,36,.9);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.fin[hidden]{display:none}
.fin-titre{font-family:var(--heading);font-weight:500;font-size:clamp(24px,2.6vw,38px);letter-spacing:-.02em}
.fin-revoir{border:0;background:none;color:var(--soft);font:600 14px/1 var(--body);text-decoration:underline;text-underline-offset:.3em;cursor:pointer;padding:8px}
.fin-revoir:hover{color:#fff}
.teaser{position:absolute;inset:10px;width:calc(100% - 20px);height:calc(100% - 20px);object-fit:cover;border-radius:13px;pointer-events:none}
.teaser[hidden]{display:none}
/* Gros bouton de lecture posé sur l'aperçu, avec la durée ; disparaît dès que la vidéo part.
   Décalé à droite : la moitié gauche de l'aperçu porte le dialogue, à ne pas masquer. */
.play{position:absolute;inset:10px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;padding:0 0 0 38%;border:0;border-radius:13px;background:radial-gradient(circle at 69% 50%,rgba(10,16,36,.1),rgba(10,16,36,.4) 70%);color:#fff;font:600 15px/1 var(--body);cursor:pointer}
.play[hidden]{display:none}
.play-disc{position:relative;width:92px;height:92px;border-radius:50%;background:#fff;box-shadow:0 0 0 10px rgba(255,255,255,.18),0 18px 50px rgba(0,0,0,.45);transition:transform .2s}
.play-disc::after{content:"";position:absolute;top:50%;left:54%;transform:translate(-50%,-50%);border-style:solid;border-width:15px 0 15px 25px;border-color:transparent transparent transparent var(--slate)}
.play-label{padding:9px 16px;border-radius:999px;background:rgba(10,16,36,.72);border:1px solid rgba(255,255,255,.18);letter-spacing:.02em}
.play:hover .play-disc{transform:scale(1.06)}
@media(prefers-reduced-motion:no-preference){.play-disc{animation:pulse 2.4s ease-out infinite}}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,255,255,.35),0 18px 50px rgba(0,0,0,.45)}70%{box-shadow:0 0 0 22px rgba(255,255,255,0),0 18px 50px rgba(0,0,0,.45)}100%{box-shadow:0 0 0 0 rgba(255,255,255,0),0 18px 50px rgba(0,0,0,.45)}}

/* Pied */
.footer{border-top:1px solid var(--rule);padding-block:24px}
.footer-inner{display:flex;align-items:center;gap:28px;flex-wrap:wrap;font-size:12px;color:var(--faint)}
.footer .brand img{width:104px;opacity:.85}
.footer nav{display:flex;gap:22px;margin-left:auto}
.footer nav a{text-decoration:none}
.footer nav a:hover{color:#fff}

@media(max-width:1100px){.wrap{width:calc(100% - 64px)}}
@media(max-width:640px){
  .wrap{width:calc(100% - 32px)}
  .topbar{padding-top:20px}
  .topbar img{width:116px}
  .hero{padding-block:32px 56px}
  .eyebrow{font-size:9px;letter-spacing:.1em;padding:5px 10px}
  .hero h1{font-size:clamp(27px,7.6vw,36px)}
  .hero-lead{font-size:16px}
  .hero-figure{margin-top:40px;padding:6px;border-radius:14px}
  .hero-figure video{border-radius:9px}
  .fin{inset:6px;border-radius:9px;gap:10px}
  .fin-titre{font-size:18px}
  .fin .button{min-height:44px;padding:9px 18px;font-size:13px}
  .fin-revoir{font-size:12px;padding:4px}
  .teaser{inset:6px;width:calc(100% - 12px);height:calc(100% - 12px);border-radius:9px}
  .play{inset:6px;border-radius:9px;gap:10px;font-size:12px}
  .play-disc{width:56px;height:56px}
  .play-disc::after{border-width:10px 0 10px 16px}
  .play-label{padding:6px 11px}
  .hero-actions{margin-top:32px}
  .footer nav{margin-left:0}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important}.button:hover{transform:none}}