:root{
    --ink:#12182B;
    --ink-soft:#2A3348;
    --paper:#F1F5F3;
    --paper-alt:#E6ECE8;
    --card:#FFFFFF;
    --gold:#E3A73B;
    --gold-dark:#C4881F;
    --teal:#146B64;
    --teal-bright:#1E9187;
    --line:rgba(18,24,43,0.12);
    --line-soft:rgba(18,24,43,0.08);
    --muted:#5B6472;
    --radius:14px;
    --shadow:0 20px 44px -22px rgba(18,24,43,0.35);
    --font-display:'Space Grotesk',sans-serif;
    --font-body:'IBM Plex Sans',sans-serif;
    --font-mono:'IBM Plex Mono',monospace;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:var(--font-body);
    color:var(--ink);
    background:var(--paper);
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  ul{margin:0;padding:0;list-style:none;}
  section{scroll-margin-top:84px;}
  .wrap{max-width:1180px;margin:0 auto;padding:0 28px;}
  .eyebrow{
    font-family:var(--font-mono);
    font-size:12.5px;
    letter-spacing:.08em;
    text-transform:uppercase;
    color:var(--teal-bright);
    display:inline-flex;
    align-items:center;
    gap:8px;
  }
  .eyebrow::before{content:"//";color:var(--gold);}
  .cursor{display:inline-block;width:7px;height:14px;background:var(--gold);margin-left:2px;animation:blink 1.1s steps(1) infinite;}
  @keyframes blink{50%{opacity:0;}}

  h1,h2,h3{font-family:var(--font-display);font-weight:600;line-height:1.08;margin:0;}
  h2{font-size:clamp(28px,3.4vw,40px);}
  .section-head{max-width:640px;margin-bottom:44px;}
  .section-head p{color:var(--muted);font-size:16.5px;margin-top:14px;line-height:1.6;}
  .kicker{font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--gold-dark);text-transform:uppercase;margin-bottom:10px;display:block;}

  .btn{
    display:inline-flex;align-items:center;gap:8px;
    font-family:var(--font-body);font-weight:600;font-size:15px;
    padding:13px 22px;border-radius:999px;border:1px solid transparent;
    cursor:pointer;transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
  }
  .btn-gold{background:var(--gold);color:var(--ink);}
  .btn-gold:hover{transform:translateY(-2px);box-shadow:0 12px 24px -10px rgba(227,167,59,0.55);}
  .btn-ghost{border-color:rgba(255,255,255,0.35);color:#fff;}
  .btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,0.08);}
  .btn-outline{border-color:var(--line);color:var(--ink);background:transparent;}
  .btn-outline:hover{border-color:var(--ink);}

  /* NAV */
  .nav{
    position:sticky;top:0;z-index:50;
    background:rgba(241,245,243,0.86);backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  .nav-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 28px;max-width:1180px;margin:0 auto;}
  .brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:700;font-size:17px;}
  /*.brand img{height:34px;width:auto;*/
  .brand img{height:60px;width:auto;
  }
  .nav-links{display:flex;align-items:center;gap:30px;font-size:14.5px;font-weight:500;}
  .nav-links a{position:relative;padding:4px 0;}
  .nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;}
  .nav-links a:hover::after{transform:scaleX(1);}
  .nav-cta{display:flex;align-items:center;gap:16px;}
  .nav-utility{font-family:var(--font-mono);font-size:12px;color:var(--muted);}
  .nav-utility a{margin-left:10px;border-bottom:1px dotted var(--line);}
  .nav-toggle{display:none;background:none;border:none;font-size:22px;cursor:pointer;color:var(--ink);}

  @media (max-width:860px){
    .nav-links{position:fixed;inset:64px 0 0 0;background:var(--paper);flex-direction:column;align-items:flex-start;padding:24px 28px;gap:22px;transform:translateX(100%);transition:transform .25s ease;border-top:1px solid var(--line);}
    .nav-links.open{transform:translateX(0);}
    .nav-toggle{display:block;}
    .nav-cta .btn-gold{display:none;}
  }

  /* HERO */
  .hero{
    background:radial-gradient(1100px 520px at 82% -10%, rgba(30,145,135,0.35), transparent 60%), var(--ink);
    color:#fff;position:relative;overflow:hidden;
    padding:88px 0 100px;
  }
  .hero::before{
    content:"";position:absolute;inset:0;pointer-events:none;opacity:.16;
    background-image:
      linear-gradient(rgba(255,255,255,.5) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,.5) 1px, transparent 1px);
    background-size:64px 64px;
    -webkit-mask-image:radial-gradient(650px 400px at 78% 15%, black, transparent 70%);
    mask-image:radial-gradient(650px 400px at 78% 15%, black, transparent 70%);
  }
  .hero-grid{display:grid;grid-template-columns:1.15fr 0.85fr;gap:56px;align-items:center;position:relative;}
  .hero h1{font-size:clamp(34px,4.6vw,54px);margin:16px 0 20px;color:#fff;}
  .hero h1 em{font-style:normal;color:var(--gold);}
  .hero p.lead{font-size:17.5px;line-height:1.65;color:rgba(255,255,255,0.78);max-width:520px;margin-bottom:32px;}
  .hero-ctas{display:flex;gap:14px;flex-wrap:wrap;}
  .hero-photo{position:relative;}
  .hero-photo .frame{
    border-radius:var(--radius);overflow:hidden;border:1px solid rgba(255,255,255,0.18);
    box-shadow:var(--shadow);transform: rotate(-0.001turn);
  }
  .hero-photo img{height:340px;width:100%;object-fit:cover;}
  .hero-caption{
    font-family:var(--font-mono);font-size:12px;color:rgba(255,255,255,0.65);
    margin-top:12px;display:flex;align-items:center;gap:8px;
  }
  .hero-caption .dot{width:6px;height:6px;border-radius:50%;background:var(--teal-bright);}

  @media (max-width:900px){
    .hero-grid{grid-template-columns:1fr;}
    .hero-photo{order:-1;}
  }

  /* FACTS STRIP */
  .facts{background:var(--card);border-bottom:1px solid var(--line);}
  .facts .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:0;}
  .fact{padding:26px 24px;border-left:1px solid var(--line);}
  .fact:first-child{border-left:none;}
  .fact .num{font-family:var(--font-mono);font-size:13px;color:var(--gold-dark);display:block;margin-bottom:6px;}
  .fact .label{font-size:14.5px;font-weight:500;color:var(--ink-soft);}
  @media (max-width:760px){
    .facts .wrap{grid-template-columns:repeat(2,1fr);}
    .fact{border-left:none;border-top:1px solid var(--line);}
    .fact:nth-child(2){border-left:1px solid var(--line);}
    .fact:nth-child(4){border-left:1px solid var(--line);}
  }

  .section{padding:88px 0;}
  .section-alt{background:var(--paper-alt);}

  /* GALLERY */
  .gallery{
    display:grid;grid-template-columns:repeat(6,1fr);grid-auto-rows:110px;gap:10px;
  }
  .gallery a{grid-column:span 2;grid-row:span 2;border-radius:10px;overflow:hidden;position:relative;display:block;}
  .gallery a.big{grid-column:span 4;grid-row:span 2;}
  .gallery img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
  .gallery a:hover img{transform:scale(1.06);}
  @media (max-width:760px){
    .gallery{grid-template-columns:repeat(4,1fr);grid-auto-rows:90px;}
    .gallery a{grid-column:span 2;}
    .gallery a.big{grid-column:span 4;}
  }

  .about-copy{margin-top:40px;max-width:680px;color:var(--ink-soft);font-size:16px;line-height:1.7;}

  /* PROGRAMS (diplomas) */
  .programs{display:grid;grid-template-columns:1fr 1fr;gap:26px;}
  .program-card{
    background:var(--card);border:1px solid var(--line);border-radius:18px;padding:34px;
    display:flex;flex-direction:column;gap:18px;
  }
  .program-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;}
  .program-head h3{font-size:23px;}
  .program-tag{font-family:var(--font-mono);font-size:11.5px;color:var(--teal);background:rgba(20,107,100,0.09);border:1px solid rgba(20,107,100,0.25);padding:5px 10px;border-radius:999px;white-space:nowrap;}
  .program-meta{font-family:var(--font-mono);font-size:12.5px;color:var(--muted);display:flex;gap:18px;flex-wrap:wrap;border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);padding:14px 0;}
  .program-meta b{color:var(--ink);font-weight:600;}
  .program-card ul{display:grid;gap:9px;}
  .program-card ul li{font-size:14.5px;color:var(--ink-soft);padding-left:18px;position:relative;line-height:1.5;}
  .program-card ul li::before{content:"";position:absolute;left:0;top:8px;width:6px;height:6px;background:var(--gold);border-radius:1px;transform:rotate(45deg);}
  .program-note{font-size:13.5px;color:var(--muted);font-style:italic;}
  @media (max-width:860px){.programs{grid-template-columns:1fr;}}

  /* MODULE BOARD */
  .modules{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
  .module-card{
    background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;
    display:flex;flex-direction:column;gap:12px;position:relative;transition:border-color .18s ease, transform .18s ease;
  }
  .module-card:hover{border-color:var(--teal-bright);transform:translateY(-3px);}
  .module-top{display:flex;justify-content:space-between;align-items:center;}
  .module-ref{font-family:var(--font-mono);font-size:12px;color:var(--gold-dark);background:rgba(227,167,59,0.12);padding:3px 8px;border-radius:6px;}
  .module-dur{font-family:var(--font-mono);font-size:11.5px;color:var(--muted);}
  .module-card h4{font-family:var(--font-display);font-size:16.5px;margin:0;}
  .module-card p{font-size:13.5px;color:var(--muted);line-height:1.55;margin:0;}
  .module-req{
    margin-top:auto;font-family:var(--font-mono);font-size:11px;color:var(--teal);
    display:inline-flex;align-items:center;gap:5px;border-top:1px dashed var(--line);padding-top:10px;
  }
  @media (max-width:960px){.modules{grid-template-columns:repeat(2,1fr);}}
  @media (max-width:560px){.modules{grid-template-columns:1fr;}}

  /* SCHEDULE */
  .schedule{display:grid;grid-template-columns:1fr 1fr;gap:26px;}
  .schedule-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:30px;}
  .schedule-card h3{font-size:19px;margin-bottom:18px;}
  .schedule-card .row{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-top:1px solid var(--line-soft);font-size:14px;}
  .schedule-card .row:first-of-type{border-top:none;}
  .schedule-card .row span:first-child{color:var(--muted);}
  .schedule-card .row span:last-child{font-family:var(--font-mono);font-size:13px;text-align:right;}
  .schedule-note{margin-top:16px;font-size:13px;color:var(--muted);font-style:italic;}
  @media (max-width:860px){.schedule{grid-template-columns:1fr;}}

  /* PRICING */
  .price-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:var(--card);}
  table.price-table{width:100%;border-collapse:collapse;min-width:640px;}
  .price-table th,.price-table td{padding:14px 18px;text-align:left;font-size:14px;border-bottom:1px solid var(--line-soft);}
  .price-table th{font-family:var(--font-mono);font-size:11.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);background:var(--paper-alt);}
  .price-table td:not(:first-child){font-family:var(--font-mono);font-size:13.5px;}
  .price-table tr:last-child td{border-bottom:none;}
  .price-table tr:hover td{background:rgba(227,167,59,0.06);}
  .pay-note{margin-top:22px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px 26px;font-size:14.5px;line-height:1.65;color:var(--ink-soft);}
  .pay-note b{color:var(--ink);}

  /* CONTACT / INSCRIPTION */
  .contact-grid{display:grid;grid-template-columns:1.1fr 0.9fr;gap:26px;}
  .contact-card{background:var(--ink);color:#fff;border-radius:20px;padding:38px;}
  .contact-card h3{font-size:22px;margin-bottom:22px;color:#fff;}
  .contact-line{display:flex;gap:14px;padding:14px 0;border-top:1px solid rgba(255,255,255,0.12);}
  .contact-line:first-of-type{border-top:none;}
  .contact-line .k{font-family:var(--font-mono);font-size:11.5px;color:var(--gold);text-transform:uppercase;letter-spacing:.05em;width:110px;flex:none;padding-top:2px;}
  .contact-line .v{font-size:14.5px;line-height:1.6;color:rgba(255,255,255,0.88);}
  .contact-line a.v:hover{color:var(--gold);}
  .steps{display:flex;flex-direction:column;gap:18px;}
  .step{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;display:flex;gap:16px;align-items:flex-start;}
  .step .n{font-family:var(--font-mono);font-size:13px;color:var(--teal);background:rgba(20,107,100,0.09);border-radius:8px;padding:5px 10px;}
  .step h4{font-size:15.5px;margin:0 0 6px;}
  .step p{margin:0;font-size:13.5px;color:var(--muted);line-height:1.55;}
  @media (max-width:860px){.contact-grid{grid-template-columns:1fr;}}

  /* FOOTER */
  footer{background:var(--ink);color:rgba(255,255,255,0.7);padding:52px 0 28px;}
  .footer-top{display:flex;justify-content:space-between;flex-wrap:wrap;gap:32px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,0.12);}
  .footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-family:var(--font-display);font-weight:700;font-size:17px;}
  .footer-brand img{height:30px;}
  .footer-tag{font-size:13.5px;max-width:280px;margin-top:10px;color:rgba(255,255,255,0.55);}
  .footer-cols{display:flex;gap:56px;flex-wrap:wrap;}
  .footer-col h5{font-family:var(--font-mono);font-size:11.5px;text-transform:uppercase;color:var(--gold);letter-spacing:.06em;margin-bottom:14px;}
  .footer-col a,.footer-col span{display:block;font-size:13.5px;color:rgba(255,255,255,0.65);margin-bottom:9px;}
  .footer-col a:hover{color:#fff;}
  .footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding-top:22px;font-size:12.5px;color:rgba(255,255,255,0.4);font-family:var(--font-mono);}

  .reveal{opacity:0;transform:translateY(18px);}
  @media (prefers-reduced-motion:no-preference){
    .reveal{transition:opacity .6s ease, transform .6s ease;}
    .reveal.is-visible{opacity:1;transform:translateY(0);}
  }
  @media (prefers-reduced-motion:reduce){
    .reveal{opacity:1;transform:none;}
    html{scroll-behavior:auto;}
  }
  .dropdown{display:none;/* ... même style qu'au-dessus ... */}
  .has-dropdown.open .dropdown{display:block;}
  .item_bleu {color: blue;}