:root{
    --bg:#14151c;
    --surface:#1b1d26;
    --surface-2:#21242f;
    --text:#ede6d6;
    --text-dim:#9a97a3;
    --gold:#d9a441;
    --gold-dim:#a67d34;
    --teal:#3e7c74;
    --line:rgba(237,230,214,0.12);
    --radius:2px;
  }
  *{box-sizing:border-box;margin:0;padding:0;}
  html{scroll-behavior:smooth;}
  body{
    background:var(--bg);
    color:var(--text);
    font-family:"Work Sans",sans-serif;
    font-size:17px;
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3{
    font-family:"Fraunces",serif;
    font-weight:600;
    line-height:1.1;
    letter-spacing:-0.01em;
  }
  a{color:inherit;}
  img{max-width:100%;display:block;}
  .wrap{max-width:1100px;margin:0 auto;padding:0 32px;}
  :focus-visible{outline:2px solid var(--gold);outline-offset:3px;}
  @media (prefers-reduced-motion: reduce){*{animation:none !important;transition:none !important;}}

  /* NAV */
  header{
    position:sticky;top:0;z-index:20;
    background:rgba(20,21,28,0.9);
    backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line);
  }
  nav{
    display:flex;align-items:center;justify-content:space-between;
    padding:18px 32px;max-width:1100px;margin:0 auto;
  }
  .logo{
    font-family:"Fraunces",serif;font-weight:700;font-size:1.25rem;
    display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);
  }
  .logo-icon{width:28px;height:28px;border-radius:var(--radius);}
  .logo span{color:var(--gold);}
  .navlinks{display:flex;gap:32px;font-size:0.95rem;}
  .navlinks a{text-decoration:none;color:var(--text-dim);transition:color .2s;}
  .navlinks a:hover{color:var(--text);}
  .navlinks a.current{color:var(--gold);}
  .menu-btn{display:none;background:none;border:none;color:var(--text);font-size:1.5rem;cursor:pointer;}

  /* HERO */
  .hero{
    position:relative;
    padding:100px 0 140px;
    overflow:hidden;
    clip-path:polygon(0 0,100% 0,100% 92%,0 100%);
  }
  .hero .wrap{
    display:grid;grid-template-columns:1.1fr 0.9fr;gap:48px;align-items:center;
  }
  .hero .kicker{
    color:var(--gold);font-size:0.95rem;font-weight:500;margin-bottom:18px;
  }
  .hero h1{font-size:3.4rem;margin-bottom:22px;}
  .hero p.lead{font-size:1.15rem;color:var(--text-dim);max-width:44ch;margin-bottom:34px;}
  .cta-row{display:flex;gap:18px;flex-wrap:wrap;}
  .btn{
    display:inline-block;padding:13px 26px;font-size:0.98rem;font-weight:500;
    border-radius:var(--radius);text-decoration:none;transition:transform .15s, background .2s;
    cursor:pointer;border:1px solid transparent;
  }
  .btn:hover{transform:translateY(-1px);}
  .btn-gold{background:var(--gold);color:#1a1408;}
  .btn-gold:hover{background:#e6b658;}
  .btn-ghost{border-color:var(--line);color:var(--text);}
  .btn-ghost:hover{border-color:var(--gold);}

  .hero-collage{
    position:relative;width:100%;max-width:400px;aspect-ratio:1/1;justify-self:center;
  }
  .hero-collage::before{
    content:"";position:absolute;inset:-10%;
    background:radial-gradient(circle, rgba(217,164,65,0.35), rgba(217,164,65,0) 70%);
    z-index:0;
  }
  .collage-card{
    position:absolute;border-radius:var(--radius);
    border:1px solid var(--line);box-shadow:0 20px 40px rgba(0,0,0,0.4);
    object-fit:cover;transition:transform .3s ease;
  }
  .hero-collage:hover .collage-card{transform:translateY(-4px);}
  .card-back-left{
    width:44%;aspect-ratio:315/250;left:2%;top:8%;
    transform:rotate(-9deg);z-index:1;opacity:0.9;
  }
  .card-back-right{
    width:44%;aspect-ratio:315/250;right:0%;bottom:10%;
    transform:rotate(7deg);z-index:1;opacity:0.9;
  }
  .card-front{
    width:64%;aspect-ratio:460/215;left:50%;top:50%;
    transform:translate(-50%,-50%) rotate(-2deg);z-index:2;
    border-color:var(--gold);
  }
  .hero-collage:hover .card-front{transform:translate(-50%,-50%) rotate(-2deg) translateY(-4px);}
  .hero-collage--cours .card-front{aspect-ratio:16/9;}
  .hero-collage--cours .card-back-left,
  .hero-collage--cours .card-back-right{aspect-ratio:16/9;}

  /* SECTIONS */
  section{padding:90px 0;}
  .section-head{margin-bottom:56px;max-width:60ch;}
  .section-head h2{font-size:2.1rem;margin-bottom:14px;}
  .section-head p{color:var(--text-dim);}

  /* GAMES */
  .game-block{
    display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
    padding:48px 0;border-top:1px solid var(--line);
  }
  .game-block:last-child{border-bottom:1px solid var(--line);}
  .game-block.reverse .game-visual{order:2;}
  .game-visual{
    aspect-ratio:16/10;border-radius:var(--radius);
    background:linear-gradient(135deg,var(--surface-2),var(--surface));
    border:1px solid var(--line);
    display:flex;align-items:center;justify-content:center;
    position:relative;overflow:hidden;
  }
  .game-visual img{width:100%;height:100%;object-fit:cover;}
  .game-tag{
    display:inline-block;font-size:0.8rem;color:var(--teal);
    border:1px solid var(--teal);padding:4px 10px;border-radius:20px;margin-bottom:16px;
  }
  .game-block h3{font-size:1.7rem;margin-bottom:14px;}
  .game-block p{color:var(--text-dim);margin-bottom:22px;}
  .game-block .playtest-cta{color:var(--text);border-left:2px solid var(--gold);padding-left:14px;font-size:0.95rem;}
  .game-links{display:flex;gap:22px;flex-wrap:wrap;align-items:center;font-size:0.95rem;}
  .game-links a:not(.btn){text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:4px;}
  .game-links a:not(.btn):hover{text-decoration-color:var(--gold);}
  .game-links .btn{font-size:0.9rem;padding:10px 20px;}

  .jams-head{margin:64px 0 32px;padding-top:48px;border-top:1px solid var(--line);}
  .jams-head h3{font-size:1.5rem;margin-bottom:10px;}
  .jams-head p{color:var(--text-dim);max-width:60ch;}
  .jam-grid{
    display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;
  }
  .jam-card{
    border:1px solid var(--line);border-radius:var(--radius);padding:22px;
    display:flex;flex-direction:column;gap:10px;
  }
  .jam-card img{
    width:100%;aspect-ratio:315/250;object-fit:cover;
    border-radius:var(--radius);margin-bottom:4px;
  }
  .jam-card h4{font-family:"Fraunces",serif;font-size:1.15rem;font-weight:600;}
  .jam-card p{color:var(--text-dim);font-size:0.92rem;flex-grow:1;}
  .jam-card a{
    font-size:0.9rem;text-decoration:underline;text-decoration-color:var(--line);
    text-underline-offset:4px;align-self:flex-start;
  }
  .jam-card a:hover{text-decoration-color:var(--gold);}
  .jams-more{margin-top:24px;color:var(--text-dim);font-size:0.95rem;}
  .jams-more a{text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:3px;}
  .jams-more a:hover{text-decoration-color:var(--gold);}

  /* ABOUT */
  .about-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:56px;}
  .about-grid h2{font-size:2rem;margin-bottom:20px;}
  .about-grid .tools{color:var(--text-dim);margin-top:20px;font-size:0.95rem;}

  /* CONTACT */
  .contact-box{
    background:var(--surface);border:1px solid var(--line);
    border-radius:var(--radius);padding:48px;
    display:grid;grid-template-columns:0.9fr 1.1fr;gap:48px;
  }
  .contact-box h2{font-size:1.9rem;margin-bottom:14px;}
  .contact-box p{color:var(--text-dim);}

  form{display:flex;flex-direction:column;gap:16px;}
  form[hidden]{display:none;}
  label{font-size:0.9rem;color:var(--text-dim);margin-bottom:4px;display:block;}
  input,textarea{
    width:100%;background:var(--surface-2);border:1px solid var(--line);
    color:var(--text);padding:12px 14px;border-radius:var(--radius);
    font-family:inherit;font-size:0.98rem;
  }
  input:focus,textarea:focus{border-color:var(--gold);outline:none;}
  textarea{min-height:120px;resize:vertical;}
  .form-status{font-size:0.9rem;min-height:20px;}
  .form-status.ok{color:var(--teal);}
  .form-status.err{color:#d97757;}

  footer{
    border-top:1px solid var(--line);padding:36px 0;
    display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;
    color:var(--text-dim);font-size:0.9rem;
  }
  .footer-links{display:flex;gap:22px;}
  .footer-links a{text-decoration:none;color:var(--text-dim);}
  .footer-links a:hover{color:var(--gold);}

  @media (max-width:820px){
    .hero .wrap{grid-template-columns:1fr;text-align:left;}
    .hero-collage{display:none;}
    .hero h1{font-size:2.4rem;}
    .game-block, .game-block.reverse{grid-template-columns:1fr;}
    .game-block.reverse .game-visual{order:0;}
    .about-grid{grid-template-columns:1fr;}
    .contact-box{grid-template-columns:1fr;padding:32px;}

    .menu-btn{display:block;}
    nav{position:relative;}
    .navlinks{
      display:flex;flex-direction:column;gap:0;
      position:absolute;top:100%;left:0;right:0;
      background:var(--surface);border-bottom:1px solid var(--line);
      max-height:0;overflow:hidden;transition:max-height .25s ease;
    }
    .navlinks.open{max-height:300px;}
    .navlinks a{padding:16px 32px;border-top:1px solid var(--line);}
  }
  /* JEUX EDUCATIFS */
  .play-section{
    position:relative;padding:130px 0;
    background:
      repeating-linear-gradient(to bottom, transparent 0 39px, rgba(217,164,65,0.06) 39px 40px),
      var(--surface);
    clip-path:polygon(0 0,100% 5%,100% 100%,0 95%);
  }
  .play-section .kicker{color:var(--gold);font-size:0.95rem;font-weight:500;margin-bottom:14px;}
  .edu-card{
    display:grid;grid-template-columns:0.9fr 1.1fr;gap:56px;align-items:center;
    background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:40px;
  }
  .edu-visual{display:block;position:relative;text-decoration:none;}
  .edu-visual::before{
    content:"";position:absolute;inset:-12%;
    background:radial-gradient(circle, rgba(217,164,65,0.28), rgba(217,164,65,0) 65%);
  }
  .notebook{
    --paper:#fdfdfb;--seyes:#c8c2e6;--seyes-l:#e6e3f3;--marge:#e2574c;--cons:#1f4fb8;--vowel:#d2342b;--ink:#1e3784;
    position:relative;aspect-ratio:4/3;border-radius:6px;padding:22px 22px 22px 46px;
    display:flex;flex-direction:column;justify-content:space-between;gap:12px;
    background-color:var(--paper);
    background-image:
      linear-gradient(90deg, transparent 30px, var(--marge) 30px, var(--marge) 32px, transparent 32px),
      repeating-linear-gradient(to bottom, transparent 0 23px, var(--seyes) 23px 24px),
      repeating-linear-gradient(to bottom, transparent 0 5px, var(--seyes-l) 5px 6px);
    color:var(--ink);
    transform:rotate(-3deg);
    box-shadow:0 24px 50px rgba(0,0,0,0.45), 0 0 0 1px rgba(0,0,0,0.2);
    transition:transform .35s ease, box-shadow .35s ease;
  }
  .edu-visual:hover .notebook,.edu-visual:focus-visible .notebook{transform:rotate(0) translateY(-6px);box-shadow:0 30px 60px rgba(0,0,0,0.5);}
  .nb-title{font-family:"Playwrite FR Moderne","Fraunces",cursive;font-size:clamp(1.2rem,2.6vw,1.6rem);line-height:1.6;}
  .nb-fuse{font-family:"Andika","Work Sans",sans-serif;font-weight:700;font-size:clamp(1.8rem,4.4vw,2.6rem);display:flex;align-items:baseline;gap:10px;}
  .nb-fuse i{font-style:normal;font-weight:400;font-size:0.6em;color:#5d6690;}
  .notebook .c{color:var(--cons);} .notebook .v{color:var(--vowel);}
  .nb-tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;}
  .nb-tiles span{
    font-family:"Andika","Work Sans",sans-serif;font-size:clamp(1.2rem,3vw,1.7rem);
    background:#fff;border:2px solid var(--ink);border-radius:12px;box-shadow:0 3px 0 var(--ink);
    text-align:center;padding:6px 0;
  }
  .nb-tiles span.on{border-color:#23915a;background:#e6f5ec;box-shadow:0 3px 0 #23915a;}
  .edu-body h3{font-size:1.7rem;margin-bottom:14px;}
  .edu-body > p{color:var(--text-dim);margin-bottom:22px;}
  .edu-modes{list-style:none;display:grid;gap:0;margin-bottom:28px;border-top:1px solid var(--line);}
  .edu-modes li{display:flex;justify-content:space-between;gap:16px;padding:11px 0;border-bottom:1px solid var(--line);font-size:0.95rem;}
  .edu-modes strong{font-weight:600;}
  .edu-modes span{color:var(--text-dim);text-align:right;}
  .edu-meta{color:var(--text-dim);font-size:0.88rem;}

  @media (max-width:820px){
    .play-section{padding:100px 0;clip-path:polygon(0 0,100% 2%,100% 100%,0 98%);}
    .edu-card{grid-template-columns:1fr;gap:40px;padding:28px 22px;}
    .notebook{transform:rotate(-2deg);}
  }
  @media (max-width:420px){

    .notebook{padding:16px 14px 16px 40px;}
  }

  /* Petit robot : visuel tapis + programme */
  .edu-card + .edu-card{margin-top:28px;}
  .edu-card--reverse .edu-visual{order:2;}
  .robot-mat{
    position:relative;border-radius:6px;padding:20px;display:flex;flex-direction:column;gap:16px;
    background:#eaf0f3;color:#1d2b4f;transform:rotate(2.5deg);
    box-shadow:0 24px 50px rgba(0,0,0,0.45), 0 0 0 1px rgba(0,0,0,0.2);
    transition:transform .35s ease, box-shadow .35s ease;
  }
  .edu-visual:hover .robot-mat,.edu-visual:focus-visible .robot-mat{transform:rotate(0) translateY(-6px);box-shadow:0 30px 60px rgba(0,0,0,0.5);}
  .rm-grid{
    display:grid;grid-template-columns:repeat(4,1fr);aspect-ratio:4/3;
    background:#ddf0e6;border:3px solid #1d2b4f;border-radius:12px;overflow:hidden;
  }
  .rm-grid span{border-right:1px solid #b5d9c5;border-bottom:1px solid #b5d9c5;display:grid;place-items:center;position:relative;}
  .rm-path::after{content:"";width:22%;aspect-ratio:1;border-radius:50%;background:rgba(42,157,99,0.45);}
  .rm-rock::after{content:"";width:52%;height:38%;border-radius:50% 50% 40% 40%;background:#8a94a6;}
  .rm-goal{color:#f2b21b;font-size:clamp(1.4rem,3.4vw,2.2rem);-webkit-text-stroke:1.5px #d2453e;}
  .rm-bot::after{
    content:"";width:56%;aspect-ratio:1.25;border-radius:28%;background:#f5c23e;border:3px solid #1d2b4f;
    box-shadow:inset 0 -6px 0 rgba(29,43,79,0.15);
  }
  .rm-code{display:flex;gap:8px;flex-wrap:wrap;}
  .rm-blk{
    position:relative;width:44px;height:44px;border-radius:12px;color:#fff;display:grid;place-items:center;
    font-family:"Work Sans",sans-serif;font-weight:600;font-size:1.4rem;box-shadow:inset 0 -4px 0 rgba(0,0,0,0.22);
  }
  .rm-blk b{position:absolute;right:-6px;top:-8px;font-size:0.7rem;background:#1d2b4f;border-radius:10px;padding:2px 6px;line-height:1.2;}
  .rm-r{background:#2a9d63;} .rm-d{background:#df7f22;}
  @media (max-width:820px){
    .edu-card--reverse .edu-visual{order:0;}
    .robot-mat{transform:rotate(1.5deg);}
  }

  /* Compte avec moi : page de cahier à petits carreaux */
  .math-page{
    position:relative;border-radius:6px;padding:24px;display:flex;flex-direction:column;align-items:center;gap:18px;
    background-color:#fbfcfe;color:#24438f;
    background-image:linear-gradient(#d3e2f4 1px, transparent 1px),linear-gradient(90deg,#d3e2f4 1px, transparent 1px);
    background-size:16px 16px;transform:rotate(-2.5deg);
    box-shadow:0 24px 50px rgba(0,0,0,0.45), 0 0 0 1px rgba(0,0,0,0.2);
    transition:transform .35s ease, box-shadow .35s ease;
  }
  .edu-visual:hover .math-page,.edu-visual:focus-visible .math-page{transform:rotate(0) translateY(-6px);box-shadow:0 30px 60px rgba(0,0,0,0.5);}
  .mp-track{display:flex;gap:8px;}
  .mp-track b{
    width:clamp(40px,6vw,52px);height:clamp(48px,7vw,62px);display:grid;place-items:center;
    font-family:"Fredoka","Work Sans",sans-serif;font-weight:600;font-size:clamp(1.5rem,3vw,2rem);
    background:#fff;border:3px solid #24438f;border-radius:10px;box-shadow:0 3px 0 #24438f;
  }
  .mp-track b.q{background:#ffc83d;}
  .mp-frame{
    display:grid;grid-template-columns:repeat(5,1fr);gap:8px;padding:10px;width:min(100%,280px);
    background:#fff;border:3px solid #24438f;border-radius:12px;box-shadow:0 4px 0 #24438f;
  }
  .mp-frame i{aspect-ratio:1;border-radius:50%;}
  .mp-frame i.on{background:#e5484d;box-shadow:inset 0 -4px 0 #b8323a;}
  .mp-frame i.add{background:#2e9e66;box-shadow:inset 0 -4px 0 #1f7a4d;}
  .mp-sum{font-family:"Fredoka","Work Sans",sans-serif;font-weight:600;font-size:clamp(1.4rem,3vw,1.8rem);}
  @media (max-width:820px){ .math-page{transform:rotate(-1.5deg);} }