.intro{
    position:fixed;inset:0;z-index:100;visibility:visible;overflow:hidden;
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:clamp(18px,3.2vh,32px);padding:24px;
    /* noir uni (demande du 17.09 : « un fond noir, pas ce marbre derrière ») */
    background:#000;color:#FCFAF6;
  }
  .intro-logo{position:relative;transform-origin:50% 30%}
  .intro-tuile{position:absolute;background-repeat:no-repeat;will-change:transform,opacity;box-shadow:inset 0 0 0 .6px rgba(204,165,78,.6)}
  .intro-logo.soude .intro-tuile{box-shadow:inset 0 0 0 0 rgba(204,165,78,0);transition:box-shadow .7s ease}
  .intro-masque{position:absolute;inset:0;overflow:hidden;pointer-events:none}
  .intro-eclat{position:absolute;inset:0;pointer-events:none;background:linear-gradient(105deg,rgba(255,236,190,0) 38%,rgba(255,236,190,.5) 50%,rgba(255,236,190,0) 62%);transform:translateX(-130%);mix-blend-mode:soft-light}
  .intro-texte{min-height:3.6em;display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center}
  .intro-ligne1{font-family:Fraunces,Georgia,serif;font-weight:500;font-size:clamp(.82rem,1.6vw,1.12rem);letter-spacing:.26em;text-transform:uppercase;color:#E3C47D}
  .intro-ligne2{font-family:"Source Sans 3",sans-serif;font-size:clamp(.8rem,1.3vw,.95rem);letter-spacing:.1em;color:rgba(252,250,246,.72)}
  .intro-curseur{display:inline-block;width:1px;height:1em;margin-left:4px;vertical-align:-.12em;background:#E3C47D;animation:clignote 1s steps(1) infinite}
  @keyframes clignote{50%{opacity:0}}
  .intro-passer{
    position:absolute;right:max(20px,env(safe-area-inset-right,0px));bottom:calc(22px + env(safe-area-inset-bottom,0px));
    background:transparent;color:rgba(252,250,246,.85);border:1px solid rgba(252,250,246,.4);border-radius:40px;
    padding:8px 20px;font:inherit;font-size:.85rem;letter-spacing:.04em;cursor:pointer;
  }
  .intro-passer:hover,.intro-passer:focus-visible{border-color:#FCFAF6;color:#FCFAF6;outline:none}

@media(prefers-reduced-motion:reduce){.intro-curseur{animation:none}}