/* ==========================================================================
   IQMATIC — INTRO : écriture lettre par lettre → en-tête
   Feuille de style de l'animation d'ouverture uniquement.
   Durées raccourcies (~2 s) pour ne pas retarder l'affichage du contenu.
   Pour supprimer l'intro : retirer le <div id="cineIntro"> d'index.html
   et la ligne  <link rel="stylesheet" href="assets/css/intro.css"> .
   ========================================================================== */
@property --sh{syntax:'<number>';inherits:true;initial-value:0}
body.intro-lock{overflow:hidden;background:#07100c}
body.brand-pending .header .brand{visibility:hidden}
.brand-text strong,.intro-word{font-kerning:none}
.cine-intro{position:fixed;inset:0;z-index:9999;--gold:#c9b27a;--gold-soft:rgba(201,178,122,.38);--pearl:#f1ead9}
.cine-intro.is-flying{pointer-events:none}
.intro-cover{position:absolute;inset:0;overflow:hidden;background:radial-gradient(ellipse 85% 75% at 50% 46%,#142a20 0%,#0b1812 48%,#050b08 100%)}
.intro-cover::before{content:"";position:absolute;left:50%;top:46%;width:min(900px,120vw);aspect-ratio:1;transform:translate(-50%,-50%) scale(.75);border-radius:50%;background:radial-gradient(circle,rgba(201,178,122,.13) 0%,rgba(201,178,122,.05) 38%,transparent 66%);opacity:0;animation:glowIn 2.2s cubic-bezier(.25,.6,.2,1) .15s forwards}
.intro-cover::after{content:"";position:absolute;inset:0;opacity:.06;pointer-events:none;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.intro-frame{position:absolute;inset:clamp(16px,2.6vw,34px);pointer-events:none}
.intro-frame i{position:absolute;background:var(--gold-soft)}
.intro-frame i:nth-child(1){left:0;right:0;top:0;height:1px;transform:scaleX(0);transform-origin:left}
.intro-frame i:nth-child(2){top:0;bottom:0;right:0;width:1px;transform:scaleY(0);transform-origin:top}
.intro-frame i:nth-child(3){left:0;right:0;bottom:0;height:1px;transform:scaleX(0);transform-origin:right}
.intro-frame i:nth-child(4){top:0;bottom:0;left:0;width:1px;transform:scaleY(0);transform-origin:bottom}
.play .intro-frame i{animation:frameDraw 1s cubic-bezier(.6,0,.2,1) forwards}
.play .intro-frame i:nth-child(2){animation-delay:.25s}.play .intro-frame i:nth-child(3){animation-delay:.5s}.play .intro-frame i:nth-child(4){animation-delay:.75s}
.intro-frame b{position:absolute;width:7px;height:7px;border:1px solid var(--gold);transform:rotate(45deg);opacity:0;background:#0b1812}
.intro-frame b:nth-of-type(1){left:-3.5px;top:-3.5px}.intro-frame b:nth-of-type(2){right:-3.5px;top:-3.5px}.intro-frame b:nth-of-type(3){right:-3.5px;bottom:-3.5px}.intro-frame b:nth-of-type(4){left:-3.5px;bottom:-3.5px}
.play .intro-frame b{animation:fadeIn .6s ease 1s forwards}

.intro-brand{position:absolute;left:50%;top:50%;transform:translate(-50%,-54%);display:flex;flex-direction:column;align-items:center;color:var(--pearl);z-index:2}
.intro-brand > *{transform-origin:0 0;will-change:transform}
.intro-logo{display:block;height:clamp(64px,8.5vw,104px);width:auto;opacity:0;box-shadow:0 18px 50px rgba(0,0,0,.45)}
.intro-word{display:block;font-family:var(--serif);font-weight:600;font-size:clamp(3rem,8vw,6.6rem);letter-spacing:.22em;line-height:1.1;margin:clamp(14px,1.8vw,24px) -.22em 0 0;white-space:nowrap}
.cine-intro:not(.play):not(.done) .intro-word{visibility:hidden} /* évite le clignotement avant le début de l'animation */
.intro-word .ch{display:inline-block;opacity:0;-webkit-mask-image:linear-gradient(90deg,#000 40%,transparent 60%);mask-image:linear-gradient(90deg,#000 40%,transparent 60%);-webkit-mask-size:260% 100%;mask-size:260% 100%;-webkit-mask-position:100% 0;mask-position:100% 0}
.intro-sub{display:block;font-family:var(--sans);font-size:clamp(.6rem,.95vw,.82rem);letter-spacing:.26em;line-height:1.1;text-transform:uppercase;color:var(--gold);margin-top:clamp(10px,1.2vw,16px);white-space:nowrap;opacity:0}
.intro-ornament{display:flex;align-items:center;gap:12px;margin-top:clamp(18px,2vw,26px);transform-origin:50% 50%!important;opacity:0}
.intro-ornament span{width:clamp(48px,7vw,90px);height:1px;background:linear-gradient(90deg,transparent,var(--gold));transform:scaleX(0);transform-origin:right}
.intro-ornament span:last-child{background:linear-gradient(90deg,var(--gold),transparent);transform-origin:left}
.intro-ornament i{width:6px;height:6px;background:var(--gold);transform:rotate(45deg)}
.play .intro-ornament{animation:fadeIn .4s ease 1.05s forwards}
.play .intro-ornament span{animation:lineOut .8s cubic-bezier(.3,.6,.2,1) 1.1s forwards}
.intro-logo{-webkit-mask-image:linear-gradient(90deg,#000 40%,transparent 60%);mask-image:linear-gradient(90deg,#000 40%,transparent 60%);-webkit-mask-size:260% 100%;mask-size:260% 100%;-webkit-mask-position:100% 0;mask-position:100% 0}
.play .intro-logo{animation:inkWrite .8s cubic-bezier(.35,.55,.25,1) .15s forwards}
.play .intro-word .ch{animation:inkWrite .5s cubic-bezier(.35,.55,.25,1) forwards;animation-delay:calc(.6s + var(--i) * .075s)}
.play .intro-sub{animation:subIn .8s cubic-bezier(.2,.75,.2,1) .95s forwards}
/* reflet lumineux qui balaie le nom une fois écrit */
.shine .intro-word .ch{-webkit-mask-image:none;mask-image:none;color:transparent;
  background-image:linear-gradient(100deg,var(--pearl) 0%,var(--pearl) 42%,#fff9ea 48%,#e6cf95 50%,#fff9ea 52%,var(--pearl) 58%,var(--pearl) 100%);
  background-size:calc(var(--w) * 3) 100%;background-repeat:no-repeat;
  background-position:calc((-1.9 + 1.8 * var(--sh)) * var(--w) - var(--x)) 0;
  -webkit-background-clip:text;background-clip:text}
.shine .intro-word{animation:sheen .9s cubic-bezier(.45,.05,.3,1) forwards}
@keyframes sheen{from{--sh:0}to{--sh:1}}
@keyframes inkWrite{
  0%{opacity:1;-webkit-mask-position:100% 0;mask-position:100% 0;filter:blur(2px);transform:translateY(.03em)}
  70%{filter:blur(0)}
  100%{opacity:1;-webkit-mask-position:0 0;mask-position:0 0;filter:blur(0);transform:none}
}
@keyframes subIn{0%{opacity:0;letter-spacing:.46em}100%{opacity:1;letter-spacing:.26em}}
@keyframes frameDraw{to{transform:none}}
@keyframes lineOut{to{transform:none}}
@keyframes fadeIn{to{opacity:1}}
@keyframes glowIn{to{opacity:1;transform:translate(-50%,-50%) scale(1)}}
.done .intro-logo,.done .intro-word .ch,.done .intro-sub{animation:none;opacity:1;-webkit-mask-image:none;mask-image:none;filter:none;transform:none;background:none;color:inherit}
.done .intro-sub{letter-spacing:.26em;color:var(--gold)}
.done .intro-word{animation:none}
.cine-skip{position:absolute;right:clamp(34px,5vw,74px);bottom:clamp(34px,5vh,60px);z-index:3;background:none;border:0;border-bottom:1px solid var(--gold-soft);padding:6px 0;color:rgba(241,234,217,.62);font:600 .64rem var(--sans);letter-spacing:.24em;text-transform:uppercase;cursor:pointer;opacity:0;animation:fadeIn .5s ease .3s forwards;transition:color .3s,border-color .3s}
.cine-skip:hover{color:var(--pearl);border-color:var(--gold)}
.is-flying .cine-skip{opacity:0!important;transition:opacity .3s}
/* Le hero se dévoile pendant que la marque rejoint l'en-tête.
   Le texte du hero n'est volontairement plus masqué pendant l'intro :
   il se peint immédiatement, l'intro se contentant de le recouvrir. */
.hero-media{transition:transform 2s cubic-bezier(.2,.7,.2,1)}
body.intro-lock .hero-media{transform:scale(1.06)}
@media(max-width:700px){.intro-frame b{display:none}}
@media(prefers-reduced-motion:reduce){.cine-intro{display:none!important}}