/* ═══════════════════════════════════════════════════════════
   IRO! — surcouche « fun » propre à la page iro.html
   Tout est préfixé .page-iro : site-v2.css et les autres pages
   ne sont pas touchés.
   ═══════════════════════════════════════════════════════════ */

.page-iro {
  --iro-c:#19e3f2;   /* cyan    */
  --iro-m:#f03cf0;   /* magenta */
  --iro-y:#ffd21a;   /* jaune   */
  --iro-g:#3fd14a;   /* vert (cyan × jaune) */
  --iro-o:#ff6a2b;   /* orange des visuels  */
  --spring:cubic-bezier(.34,1.56,.64,1);
  --soft-out:cubic-bezier(.16,1,.3,1);
  overflow-x:hidden;
}

/* ─── voile de couleur : teinte douce selon le jeu à l'écran ─── */
.iro-wash {
  position:fixed; inset:0; z-index:-1; pointer-events:none;
  background:var(--paper);
  transition:background-color 1.1s ease;
}
.page-iro[data-tint="cyan"]    .iro-wash { background:#e2f9fb; }
.page-iro[data-tint="magenta"] .iro-wash { background:#fbe7fa; }
.page-iro[data-tint="yellow"]  .iro-wash { background:#fff5d2; }
.page-iro[data-tint="green"]   .iro-wash { background:#e5f7e2; }

/* ─── cercles flottants dans les marges, à éclater au clic ─── */
.iro-bubbles { position:fixed; inset:0; z-index:1; pointer-events:none; }
.iro-bubble {
  position:absolute; left:0; top:0;
  width:var(--s); height:var(--s); border-radius:50%;
  background:var(--col);
  pointer-events:auto; cursor:pointer;
  mix-blend-mode:multiply;
  will-change:transform;
}
.iro-bubble.is-popped { pointer-events:none; animation:iro-pop .32s ease-out forwards; }
@keyframes iro-pop { 60% { transform:var(--t) scale(1.35); opacity:1; } 100% { transform:var(--t) scale(1.6); opacity:0; } }
.iro-spark {
  position:fixed; z-index:6; width:10px; height:10px; border-radius:50%;
  pointer-events:none; background:var(--col);
  animation:iro-spark .6s var(--soft-out) forwards;
}
@keyframes iro-spark { to { transform:translate(var(--dx),var(--dy)) scale(.2); opacity:0; } }

/* ─── hero : trois cercles CMJ qui se mélangent sous le titre ─── */
.page-iro .iro-hero { position:relative; isolation:isolate; min-height:clamp(200px,24vw,340px); align-items:end; }
.iro-mix { position:absolute; inset:-60px -8vw -40px; z-index:-1; pointer-events:none; }
.iro-mix span {
  position:absolute; left:0; top:0;
  width:clamp(130px,17vw,280px); aspect-ratio:1; border-radius:50%;
  mix-blend-mode:multiply; opacity:.92;
  will-change:transform;
}
.iro-mix .c { background:var(--iro-c); }
.iro-mix .m { background:var(--iro-m); }
.iro-mix .y { background:var(--iro-y); }

.page-iro .project-title { font-size:clamp(84px,15vw,230px); letter-spacing:-.05em; line-height:.8; position:relative; }
.page-iro .project-title .l { display:inline-block; transform-origin:50% 100%; transition:color .3s ease; cursor:default; }
.page-iro .project-title .l.is-hop { animation:iro-hop .7s var(--spring); }
@keyframes iro-hop {
  0% { transform:translateY(0) scale(1,1); }
  25% { transform:translateY(0) scale(1.15,.82); }
  55% { transform:translateY(-.28em) scale(.92,1.1) rotate(-6deg); }
  80% { transform:translateY(0) scale(1.08,.92); }
  100% { transform:none; }
}
.page-iro.is-ready .project-title .l:not(.is-dropped) { animation:iro-drop .9s var(--spring) both; animation-delay:calc(var(--i) * 90ms + .15s); }
.page-iro:not(.is-ready) .project-title .l { opacity:0; }
@keyframes iro-drop { 0% { transform:translateY(-120%) rotate(-12deg); opacity:0; } 60% { opacity:1; } 100% { transform:none; opacity:1; } }

.page-iro .project-info { position:relative; }
.page-iro .project-gallery { position:relative; z-index:1; } /* passe devant les cercles du titre */
.iro-hint { display:block; margin-top:18px; color:var(--soft); font-size:10px; }

/* mot « couleur » qui défile dans la palette */
.iro-word {
  font-style:normal; font-weight:600;
  background:linear-gradient(90deg,var(--iro-c),var(--iro-m),var(--iro-y),var(--iro-g),var(--iro-c));
  background-size:300% 100%;
  -webkit-background-clip:text; background-clip:text; color:transparent;
  animation:iro-slide 6s linear infinite;
}
@keyframes iro-slide { to { background-position:300% 0; } }
.page-iro .project-gallery > p { font-size:clamp(17px,1.6vw,22px); line-height:1.5; color:var(--ink); max-width:44ch; }

/* ─── médias : cartes arrondies, ombre douce, petit soulèvement ─── */
.page-iro .project-gallery > img,
.page-iro .project-gallery .duo img,
.page-iro .video-project video { border-radius:clamp(16px,2vw,28px); background:#fff; }
.page-iro .video-project { overflow:visible; }
.page-iro .project-gallery > img,
.page-iro .project-gallery .duo img,
.page-iro .video-project video {
  box-shadow:0 30px 60px -36px rgba(23,23,22,.35);
  transition:transform .5s var(--spring), box-shadow .5s ease;
}
.page-iro .project-gallery > img:hover,
.page-iro .project-gallery .duo img:hover,
.page-iro .video-project video:hover { transform:translateY(-6px) rotate(-.6deg); box-shadow:0 40px 70px -36px rgba(23,23,22,.45); }
.page-iro .project-gallery .duo img:nth-child(2):hover { transform:translateY(-6px) rotate(.6deg); }

/* apparition « pop » élastique au lieu du rideau sobre du site */
html.js-anim .page-iro .project-gallery > img,
html.js-anim .page-iro .project-gallery > .video-project,
html.js-anim .page-iro .project-gallery > .duo,
html.js-anim .page-iro .project-gallery > .project-feature {
  clip-path:none;
  transform:translateY(60px) scale(.9) rotate(var(--r,-1.5deg));
  transition:transform 1s var(--spring), opacity .5s ease;
}
html.js-anim .page-iro .project-gallery > .right,
html.js-anim .page-iro .project-gallery > .project-feature.reverse { --r:1.5deg; }
html.js-anim .page-iro .project-gallery > .is-in { transform:none; }
html.js-anim .page-iro .project-gallery > img.is-in:hover { transform:translateY(-6px) rotate(-.6deg); transition-duration:.5s; }

/* ─── jeux 01 / 02 / 03 : pastille de couleur et icône qui flotte ─── */
.page-iro .project-feature .feature-number {
  display:inline-grid; place-items:center;
  width:48px; height:48px; border-radius:50%;
  color:#fff; font-size:12px; font-weight:500;
  background:var(--tint,var(--ink));
}
.page-iro [data-tint="cyan"]    { --tint:var(--iro-c); }
.page-iro [data-tint="magenta"] { --tint:var(--iro-m); }
.page-iro [data-tint="yellow"]  { --tint:var(--iro-y); }
.page-iro [data-tint="green"]   { --tint:var(--iro-g); }
.page-iro [data-tint="yellow"] .feature-number { color:var(--ink); }

.page-iro .feature-copy h2 { font-size:clamp(40px,5.4vw,84px); letter-spacing:-.05em; }
.page-iro .feature-copy h2::after {
  content:''; display:inline-block; width:.22em; height:.22em; margin-left:.08em;
  border-radius:50%; background:var(--tint,var(--ink));
  animation:iro-bob 1.6s ease-in-out infinite;
}
.page-iro .feature-copy p { color:#4a4947; font-size:14px; }
.page-iro .feature-copy img {
  width:110px; border-radius:50%;
  animation:iro-float 4s ease-in-out infinite;
  transition:transform .8s var(--spring);
}
.page-iro .feature-copy img:hover { animation-play-state:paused; transform:rotate(360deg) scale(1.12); }
@keyframes iro-bob { 0%,100% { transform:translateY(0); } 50% { transform:translateY(-.18em); } }
@keyframes iro-float { 0%,100% { transform:translateY(0) rotate(-4deg); } 50% { transform:translateY(-12px) rotate(4deg); } }

/* ─── mini-jeu « Mix it, en vrai » ─── */
.iro-play {
  display:grid; grid-template-columns:repeat(12,1fr); gap:22px; align-items:center;
  width:100%; margin-top:40px;
}
.iro-play-copy { grid-column:1 / span 4; }
.iro-play-copy .feature-number {
  display:inline-grid; place-items:center; width:auto; height:48px; padding:0 18px; border-radius:24px;
  background:var(--iro-m); color:#fff; font-size:11px; text-transform:uppercase;
}
.iro-play-copy h2 { font-size:clamp(40px,5.4vw,84px); font-weight:400; letter-spacing:-.05em; line-height:1; margin:18px 0; }
.iro-play-copy p { color:#4a4947; font-size:14px; line-height:1.6; max-width:320px; }
.iro-score { margin-top:22px; font-family:"DM Mono",monospace; font-size:11px !important; text-transform:uppercase; color:var(--ink) !important; }

.iro-board {
  grid-column:6 / span 7;
  position:relative; background:#fff; border-radius:clamp(22px,3vw,40px);
  padding:clamp(24px,4vw,56px);
  box-shadow:0 30px 60px -36px rgba(23,23,22,.35);
  display:grid; grid-template-columns:auto 1fr; grid-template-rows:auto auto auto; gap:26px 30px; align-items:center;
}
.iro-target { grid-row:1 / span 2; display:flex; flex-direction:column; align-items:center; gap:12px; }
.iro-target-dot {
  width:clamp(90px,10vw,140px); aspect-ratio:1; border-radius:50%;
  background:var(--target,#eee);
  box-shadow:0 0 0 10px #f2f1ee;
  display:grid; place-items:center;
  transition:background-color .4s ease, transform .5s var(--spring);
}
.iro-target-dot.is-hidden { background:#f2f1ee; }
.iro-target-dot.is-hidden::before { content:'?'; font-size:clamp(34px,4vw,52px); color:#c9c8c3; }
.iro-target-dot.is-peek { transform:scale(1.08); }
.iro-label,.iro-msg { font-family:"DM Mono",monospace; font-size:10px; text-transform:uppercase; color:var(--soft); }

.iro-stage { position:relative; height:clamp(120px,13vw,170px); }
.iro-stage .s {
  position:absolute; top:50%; left:50%;
  width:clamp(90px,10vw,130px); aspect-ratio:1; border-radius:50%;
  mix-blend-mode:multiply;
  transform:translate(-50%,-50%) translateX(var(--x,0)) scale(var(--k,0));
  transition:transform .6s var(--spring);
}
.iro-stage .c { background:var(--iro-c); }
.iro-stage .m { background:var(--iro-m); }
.iro-stage .y { background:var(--iro-y); }
.iro-stage .s.on { --k:1; }

.iro-picks { grid-column:2; display:flex; gap:14px; justify-content:center; }
.iro-pick {
  width:54px; height:54px; border-radius:50%; border:0; cursor:pointer;
  box-shadow:0 0 0 6px #f2f1ee;
  transition:transform .4s var(--spring), box-shadow .3s ease;
}
.iro-pick.c { background:var(--iro-c); } .iro-pick.m { background:var(--iro-m); } .iro-pick.y { background:var(--iro-y); }
.iro-pick:hover { transform:translateY(-4px) scale(1.06); }
.iro-pick[aria-pressed="true"] { transform:translateY(-6px) scale(1.12); box-shadow:0 0 0 6px var(--ink); }
.iro-pick:focus-visible { outline:2px solid var(--ink); outline-offset:10px; }
.iro-pick:disabled { cursor:default; }
.iro-msg { grid-column:1 / -1; text-align:center; min-height:1.4em; font-size:11px; color:var(--ink); }
.iro-board.is-win { animation:iro-jelly .7s var(--spring); }
.iro-board.is-miss { animation:iro-shake .45s ease; }
@keyframes iro-jelly { 30% { transform:scale(1.04,.96); } 55% { transform:scale(.98,1.03); } 100% { transform:none; } }
@keyframes iro-shake { 20%,60% { transform:translateX(-8px); } 40%,80% { transform:translateX(8px); } }
.iro-again {
  font:inherit; font-family:"DM Mono",monospace; font-size:11px; text-transform:uppercase;
  margin-left:10px; padding:8px 14px; border-radius:20px; border:1px solid var(--ink); background:none; cursor:pointer;
}
.iro-again:hover { background:var(--ink); color:#fff; }
/* second jeu : Find me — mémoriser une rangée, la retrouver parmi quatre */
.iro-play.reverse .iro-play-copy { grid-column:9 / span 4; grid-row:1; }
.iro-play.reverse .iro-board { grid-column:1 / span 7; grid-row:1; }
.iro-play.reverse .iro-play-copy .feature-number { background:var(--iro-c); color:var(--ink); }
.iro-find { grid-template-columns:1fr; justify-items:center; gap:30px; }
.find-model { display:flex; gap:clamp(8px,1.3vw,16px); min-height:clamp(44px,5.6vw,80px); }
.find-dot {
  width:clamp(44px,5.6vw,80px); aspect-ratio:1; border-radius:50%;
  background:var(--c); transform:scale(0);
  transition:transform .55s var(--spring), background-color .35s ease;
  transition-delay:calc(var(--i) * 70ms), 0s;
}
.find-model.is-on .find-dot { transform:scale(1); }
.find-model.is-hidden .find-dot { background:#f2f1ee; transition-delay:calc(var(--i) * 50ms), calc(var(--i) * 50ms); }
.find-options { display:grid; grid-template-columns:1fr 1fr; gap:14px; width:100%; max-width:440px; }
.find-opt {
  display:flex; justify-content:center; gap:6px; padding:16px 10px;
  border:0; border-radius:999px; background:#f6f5f2; cursor:pointer;
  opacity:0; transform:translateY(12px);
  transition:transform .45s var(--spring), opacity .3s ease, box-shadow .3s ease, background-color .3s ease;
  transition-delay:calc(var(--i) * 60ms);
}
.find-options.is-on .find-opt { opacity:1; transform:none; }
.find-options.is-on .find-opt:hover:not(:disabled) { transform:translateY(-4px) scale(1.03); transition-delay:0s; }
.find-opt i { width:clamp(18px,2vw,26px); aspect-ratio:1; border-radius:50%; background:var(--c); }
.find-opt:focus-visible { outline:2px solid var(--ink); outline-offset:6px; }
.find-opt:disabled { cursor:default; }
.find-options.is-on .find-opt.is-right { box-shadow:0 0 0 3px var(--ink); background:#fff; transform:scale(1.05); }
.find-options.is-on .find-opt.is-wrong { opacity:.3; }
.iro-find .iro-msg { grid-column:1; }

.sr { position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; }

/* ─── accessibilité : mouvement réduit ─── */
@media (prefers-reduced-motion:reduce) {
  .iro-bubbles { display:none; }
  .iro-word,.page-iro .feature-copy h2::after,.page-iro .feature-copy img { animation:none; }
  .page-iro.is-ready .project-title .l:not(.is-dropped),.page-iro .project-title .l.is-hop { animation:none; }
  .page-iro:not(.is-ready) .project-title .l { opacity:1; }
  .iro-board.is-win,.iro-board.is-miss { animation:none; }
  .find-dot,.find-opt { transform:none !important; transition:none; }
}

/* ─── mobile ─── */
@media (max-width:760px) {
  .page-iro .iro-hero { min-height:auto; padding-top:40px; }
  .iro-mix { inset:-30px -16px -20px; }
  .iro-mix span { width:44vw; }
  .page-iro .project-title { font-size:28vw; }
  .page-iro .project-feature .feature-number { margin-bottom:14px; }
  .iro-play { display:block; }
  .iro-play.reverse .iro-play-copy { margin-top:0; }
  .iro-board { margin-top:28px; grid-template-columns:1fr; }
  .iro-target { grid-row:auto; }
  .iro-picks { grid-column:1; }
}