:root{
    --bg:#FAF8FC;
    --bg-alt:#F1ECF7;
    --panel:#FFFFFF;
    --ink:#1C1430;
    --ink-soft:#5B5470;
    --violet-900:#2C0F4A;
    --violet-700:#4B1F7A;
    --violet-600:#5E2A93;
    --gold:#B9892F;
    --gold-soft:#E7D6AE;
    --line:#E1D8EE;
    --shadow: 0 20px 50px -25px rgba(44,15,74,0.35);
    --radius: 2px;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:'Public Sans', sans-serif;
    -webkit-font-smoothing:antialiased;
    line-height:1.6;
  }
  h1,h2,h3,h4{
    font-family:'Fraunces', serif;
    font-weight:600;
    margin:0;
    color:var(--violet-900);
    letter-spacing:-0.01em;
  }
  p{margin:0;}
  a{color:inherit;text-decoration:none;}
  .container{max-width:1180px;margin:0 auto;padding:0 32px;}
  .eyebrow{
    font-family:'IBM Plex Mono', monospace;
    font-size:12.5px;
    letter-spacing:0.16em;
    text-transform:uppercase;
    color:var(--gold);
    font-weight:500;
    display:flex;
    align-items:center;
    gap:10px;
  }
  .eyebrow::before{
    content:"";
    width:18px;height:1px;
    background:var(--gold);
    display:inline-block;
  }

  /* ---------- SEAL MOTIF (signature element) ---------- */
  .seal{display:inline-block;line-height:0;}
  .seal svg{display:block;}

  /* ---------- TOPBAR ---------- */
  .topbar{
    background:var(--violet-900);
    color:#E9E1F4;
    font-size:13px;
    font-family:'IBM Plex Mono', monospace;
  }
  .topbar .container{
    display:flex;justify-content:space-between;align-items:center;
    padding-top:9px;padding-bottom:9px;flex-wrap:wrap;gap:8px;
  }
  .topbar .seg{display:flex;align-items:center;gap:18px;flex-wrap:wrap;opacity:.85;}
  .topbar a:hover{color:var(--gold-soft);}

  /* ---------- HEADER / NAV ---------- */
  header.site{
    background:var(--bg);
    border-bottom:1px solid var(--line);
    position:sticky;top:0;z-index:50;
  }
  nav.main{
    display:flex;align-items:center;justify-content:space-between;
    padding:18px 0;
  }
  .brand{display:flex;align-items:center;gap:12px;}
  .brand .wordmark{
    font-family:'Fraunces', serif;
    font-size:21px;font-weight:600;color:var(--violet-900);
    letter-spacing:-0.01em;
  }
  .brand .wordmark span{color:var(--gold);}
  .brand small{
    display:block;
    font-family:'IBM Plex Mono', monospace;
    font-size:10px;letter-spacing:.12em;color:var(--ink-soft);
    text-transform:uppercase;margin-top:1px;
  }
  .nav-links{display:flex;align-items:center;gap:34px;}
  .nav-links a{
    font-size:14.5px;font-weight:600;color:var(--ink);
    padding:6px 0;position:relative;
  }
  .nav-links a::after{
    content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
    background:var(--gold);transform:scaleX(0);transition:transform .25s ease;
  }
  .nav-links a:hover::after{transform:scaleX(1);}
  .btn{
    display:inline-flex;align-items:center;gap:8px;
    font-weight:700;font-size:14px;
    padding:13px 24px;border-radius:var(--radius);
    border:1px solid transparent;cursor:pointer;
    font-family:'Public Sans',sans-serif;
    transition:all .2s ease;
  }
  .btn-primary{background:var(--violet-900);color:#fff;}
  .nav-links .btn-primary{color:#fff;}
  .btn-primary:hover{background:var(--violet-700);}
  .btn-ghost{background:transparent;color:var(--violet-900);border-color:var(--violet-900);}
  .btn-ghost:hover{background:var(--violet-900);color:#fff;}
  .btn-gold{background:var(--gold);color:#2C1A00;}
  .btn-gold:hover{background:#a37a29;}
  .menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:6px;}
  .menu-toggle span{display:block;width:24px;height:2px;background:var(--violet-900);margin:5px 0;}

  /* ---------- HERO ---------- */
  .hero{
    position:relative;
    padding:96px 0 0;
    overflow:hidden;
  }
  .hero::before{
    content:"";position:absolute;top:-120px;right:-160px;width:560px;height:560px;
    border-radius:50%;
    background:radial-gradient(circle at 30% 30%, var(--bg-alt), transparent 70%);
    z-index:0;
  }
  .hero-grid{
    position:relative;z-index:1;
    display:grid;grid-template-columns:1.05fr 0.85fr;gap:60px;align-items:center;
  }
  .hero h1{
    font-size:54px;line-height:1.08;margin:22px 0 24px;
    max-width:620px;
  }
  .hero h1 em{font-style:normal;color:var(--gold);}
  .hero .lead{
    font-size:18px;color:var(--ink-soft);max-width:520px;margin-bottom:30px;
  }
  .tag-row{
    display:flex;flex-wrap:wrap;gap:10px;margin-bottom:38px;
  }
  .tag{
    font-family:'IBM Plex Mono', monospace;
    font-size:12px;letter-spacing:.04em;
    border:1px solid var(--line);
    padding:7px 13px;border-radius:30px;
    color:var(--violet-700);background:#fff;
  }
  .hero-ctas{display:flex;gap:14px;flex-wrap:wrap;}
  .hero-art{
    position:relative;display:flex;align-items:center;justify-content:center;
  }
  .seal-frame{
    position:relative;width:100%;max-width:380px;aspect-ratio:1/1;
    display:flex;align-items:center;justify-content:center;
  }

  /* value cards strip */
  .value-strip{
    position:relative;z-index:2;margin-top:64px;
  }
  .value-cards{
    display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
    transform:translateY(40px);
  }
  .vcard{
    background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
    padding:30px 28px;box-shadow:var(--shadow);position:relative;
  }
  .vcard .seal{position:absolute;top:18px;right:18px;opacity:.55;}
  .vcard h3{font-size:19px;margin-bottom:10px;max-width:85%;}
  .vcard p{font-size:14.5px;color:var(--ink-soft);}
  .spacer-for-cards{height:50px;}

  /* ---------- SECTION shell ---------- */
  section{padding:110px 0;}
  .section-head{max-width:680px;margin-bottom:54px;}
  .section-head h2{font-size:36px;margin-top:14px;line-height:1.2;}
  .section-head .lead{color:var(--ink-soft);font-size:16px;margin-top:14px;}

  .divider{
    display:flex;align-items:center;justify-content:center;gap:14px;
    margin:0;
  }
  .divider .ln{flex:1;height:1px;background:var(--line);}

  /* ---------- POSITIONING ---------- */
  .positioning{background:var(--bg-alt);}
  .pos-grid{display:grid;grid-template-columns:0.85fr 1.15fr;gap:64px;align-items:center;}
  .pos-art{position:relative;}
  .pos-text p.intro{font-size:16.5px;color:var(--ink-soft);margin-bottom:28px;}
  .bullets{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line);}
  .bullet{
    display:flex;align-items:flex-start;gap:16px;padding:20px 0;
    border-bottom:1px solid var(--line);
  }
  .bullet .seal{flex-shrink:0;margin-top:2px;}
  .bullet strong{font-size:15.5px;color:var(--violet-900);font-weight:700;display:block;margin-bottom:3px;}
  .bullet span{font-size:14px;color:var(--ink-soft);}

  /* ---------- STATS ---------- */
  .stats{background:var(--violet-900);color:#fff;text-align:left;}
  .stats .section-head h2{color:#fff;}
  .stats .section-head .lead{color:#C9B9E2;}
  .stats .section-head .eyebrow{color:var(--gold);}
  .stats-grid{
    display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
    background:rgba(255,255,255,.12);border-radius:var(--radius);overflow:hidden;
  }
  .stat{background:var(--violet-900);padding:34px 26px;}
  .stat .num{
    font-family:'Fraunces', serif;font-size:46px;color:var(--gold);
    display:flex;align-items:baseline;gap:4px;
  }
  .stat .num .plus{font-size:26px;}
  .stat .label{font-size:13.5px;color:#D7C9EA;margin-top:8px;line-height:1.4;}

  /* ---------- EXPERTISES ---------- */
  .exp-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .exp-card{
    border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;
    background:var(--panel);transition:border-color .2s ease, transform .2s ease;
  }
  .exp-card:hover{border-color:var(--gold);transform:translateY(-4px);}
  .exp-num{
    font-family:'IBM Plex Mono', monospace;font-size:12px;color:var(--gold);
    letter-spacing:.1em;margin-bottom:18px;display:block;
  }
  .exp-card h3{font-size:19px;margin-bottom:10px;}
  .exp-card p{font-size:14px;color:var(--ink-soft);}

  /* ---------- DISTINGUISH ---------- */
  .distinguish{background:var(--bg-alt);}
  .dist-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line);}
  .dist-item{padding:34px 28px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-alt);}
  .dist-item h4{font-size:16.5px;margin-bottom:10px;line-height:1.3;}
  .dist-item p{font-size:13.5px;color:var(--ink-soft);}

  /* ---------- PARTNERS ---------- */
  .partners-row{
    display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:30px;
    padding-top:10px;
  }
  .partner-badge{
    font-family:'IBM Plex Mono', monospace;font-size:14px;letter-spacing:.05em;
    color:var(--ink-soft);border:1px solid var(--line);padding:14px 22px;border-radius:30px;
  }
  .partner-badge.lead{color:var(--violet-900);border-color:var(--violet-900);font-weight:700;}

  /* ---------- CONTACT ---------- */
  .contact{background:var(--violet-900);color:#fff;}
  .contact-grid{display:grid;grid-template-columns:0.85fr 1.15fr;gap:64px;}
  .contact .eyebrow{color:var(--gold);}
  .contact h2{color:#fff;font-size:34px;margin-top:14px;max-width:480px;line-height:1.25;}
  .contact-info{margin-top:34px;display:flex;flex-direction:column;gap:18px;}
  .contact-info .row{display:flex;gap:14px;font-size:14.5px;color:#D7C9EA;}
  .contact-info strong{color:#fff;display:block;font-size:13px;font-family:'IBM Plex Mono',monospace;letter-spacing:.06em;text-transform:uppercase;margin-bottom:3px;}
  form.contact-form{
    background:#fff;border-radius:var(--radius);padding:34px;color:var(--ink);
  }
  .form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px;}
  .field{display:flex;flex-direction:column;gap:6px;}
  .field label{font-size:12.5px;font-weight:600;color:var(--ink-soft);}
  .field input, .field select, .field textarea{
    border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px;font-family:inherit;font-size:14px;
    background:var(--bg);color:var(--ink);
  }
  .field textarea{resize:vertical;min-height:90px;}
  form.contact-form .btn{width:100%;justify-content:center;margin-top:8px;}

  /* ---------- FOOTER ---------- */
  footer{background:var(--violet-900);border-top:1px solid rgba(255,255,255,.12);padding:60px 0 30px;color:#C9B9E2;}
  .foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12);}
  .foot-grid h5{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:#fff;margin-bottom:18px;}
  .foot-grid ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
  .foot-grid a{font-size:14px;color:#C9B9E2;}
  .foot-grid a:hover{color:var(--gold);}
  .foot-brand .wordmark{color:#fff;font-size:20px;}
  .foot-brand p{font-size:13.5px;margin-top:14px;max-width:260px;color:#B7A6D6;}
  .foot-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:24px;font-size:13px;flex-wrap:wrap;gap:10px;}
  .foot-bottom .social{display:flex;gap:14px;}
  .foot-bottom .social a{width:32px;height:32px;border:1px solid rgba(255,255,255,.25);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;}

  /* reveal animation */
  .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease, transform .6s ease;}
  .reveal.in{opacity:1;transform:translateY(0);}

  @media (prefers-reduced-motion: reduce){
    .reveal{transition:none;opacity:1;transform:none;}
  }

  @media (max-width: 980px){
    .hero-grid{grid-template-columns:1fr;}
    .hero-art{display:none;}
    .value-cards{grid-template-columns:1fr;transform:none;}
    .spacer-for-cards{height:0;}
    .pos-grid, .contact-grid{grid-template-columns:1fr;}
    .stats-grid{grid-template-columns:repeat(2,1fr);}
    .exp-grid{grid-template-columns:repeat(2,1fr);}
    .dist-grid{grid-template-columns:repeat(2,1fr);}
    .foot-grid{grid-template-columns:1fr 1fr;}
    .nav-links{display:none;}
    .menu-toggle{display:block;}
    .form-row{grid-template-columns:1fr;}
  }
  @media (max-width:600px){
    .hero h1{font-size:36px;}
    .exp-grid, .dist-grid, .stats-grid{grid-template-columns:1fr;}
    section{padding:70px 0;}
    .container{padding:0 20px;}
  }

  /* ---------- PAGE HERO (sous-pages) ---------- */
  .page-hero{
    position:relative;padding:64px 0 70px;overflow:hidden;background:var(--bg-alt);
    border-bottom:1px solid var(--line);
  }
  .page-hero::before{
    content:"";position:absolute;top:-200px;right:-180px;width:480px;height:480px;border-radius:50%;
    background:radial-gradient(circle at 30% 30%, #fff, transparent 70%);opacity:.6;
  }
  .breadcrumb{
    position:relative;z-index:1;font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.05em;
    color:var(--ink-soft);margin-bottom:16px;display:flex;align-items:center;gap:8px;
  }
  .breadcrumb a{color:var(--violet-700);}
  .breadcrumb a:hover{color:var(--gold);}
  .page-hero h1{position:relative;z-index:1;font-size:42px;max-width:680px;line-height:1.15;}
  .page-hero .lead{position:relative;z-index:1;font-size:17px;color:var(--ink-soft);max-width:600px;margin-top:16px;}

  /* ---------- SKILL BARS ---------- */
  .skill{margin-bottom:22px;}
  .skill-head{display:flex;justify-content:space-between;font-size:14.5px;margin-bottom:8px;}
  .skill-head strong{color:var(--violet-900);font-weight:700;}
  .skill-head span{font-family:'IBM Plex Mono',monospace;color:var(--gold);font-size:13px;}
  .skill-track{height:6px;background:var(--line);border-radius:6px;overflow:hidden;}
  .skill-fill{height:100%;background:linear-gradient(90deg, var(--violet-700), var(--gold));border-radius:6px;width:0;transition:width 1.1s cubic-bezier(.2,.8,.2,1);}

  /* ---------- DETAILS / ACCORDION (formations) ---------- */
  details.course{
    border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);
    padding:24px 26px;margin-bottom:16px;
  }
  details.course summary{
    cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;
  }
  details.course summary::-webkit-details-marker{display:none;}
  details.course summary h3{font-size:18px;}
  details.course summary .plus-icon{
    width:26px;height:26px;border:1px solid var(--violet-700);border-radius:50%;flex-shrink:0;
    display:flex;align-items:center;justify-content:center;color:var(--violet-700);font-size:15px;
    transition:transform .25s ease, background .2s ease, color .2s ease;
  }
  details.course[open] summary .plus-icon{transform:rotate(45deg);background:var(--violet-900);color:#fff;border-color:var(--violet-900);}
  details.course .course-meta{font-size:13px;color:var(--ink-soft);margin-top:6px;}
  details.course .course-body{margin-top:18px;padding-top:18px;border-top:1px solid var(--line);}
  details.course .course-body ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:10px;}
  details.course .course-body li{display:flex;gap:10px;font-size:14px;color:var(--ink-soft);}
  details.course .course-body li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);flex-shrink:0;margin-top:7px;}

  /* ---------- PILLS / CATALOGUE ---------- */
  .catalog-block{margin-bottom:42px;}
  .catalog-block h3{font-size:18px;margin-bottom:6px;}
  .catalog-block .cat-desc{font-size:13.5px;color:var(--ink-soft);margin-bottom:16px;max-width:560px;}
  .pill-group{display:flex;flex-wrap:wrap;gap:10px;}
  .pill{
    font-size:13.5px;border:1px solid var(--line);border-radius:30px;padding:9px 16px;
    background:var(--panel);color:var(--violet-900);
  }
  .pill.muted{color:var(--ink-soft);}

  /* ---------- CERT GRID ---------- */
  .cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
  .cert-card{
    border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);
    padding:24px 20px;text-align:center;
  }
  .cert-card .seal{display:flex;justify-content:center;margin-bottom:14px;}
  .cert-card h4{font-size:15px;margin-bottom:4px;}
  .cert-card span{font-size:12px;color:var(--ink-soft);font-family:'IBM Plex Mono',monospace;}

  /* ---------- TWO COL GENERIC ---------- */
  .two-col{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start;}

  /* ---------- PILLAR CARDS (4) ---------- */
  .pillar-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
  .pillar-card{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);padding:28px 24px;}
  .pillar-card .seal{margin-bottom:16px;}
  .pillar-card h3{font-size:17px;margin-bottom:10px;}
  .pillar-card p{font-size:13.5px;color:var(--ink-soft);}

  /* ---------- CTA BAND ---------- */
  .cta-band{background:var(--violet-900);color:#fff;padding:60px 0;text-align:center;}
  .cta-band h2{color:#fff;font-size:28px;margin-bottom:10px;}
  .cta-band p{color:#C9B9E2;font-size:15px;margin-bottom:26px;}
  .cta-band .btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}

  /* ---------- ATOUTS / VALUE 3-col reuse exists as dist-grid ---------- */

  /* ---------- ATTESTATION QUOTE ---------- */
  .quote-block{
    border-left:3px solid var(--gold);padding:6px 0 6px 26px;margin:30px 0;
  }
  .quote-block p{font-size:16px;color:var(--violet-900);font-family:'Fraunces',serif;font-style:normal;line-height:1.5;}

  /* ---------- BULLET LIST (cartes atouts, etc.) ---------- */
  .bullet-list{margin:14px 0 0;padding:0;list-style:none;display:flex;flex-direction:column;gap:9px;}
  .bullet-list li{display:flex;gap:9px;font-size:13.5px;color:var(--ink-soft);line-height:1.45;}
  .bullet-list li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);flex-shrink:0;margin-top:6px;}

  /* ---------- REAL BRAND ASSETS ---------- */
  .icon-mark{height:42px;width:auto;display:block;}
  .foot-brand .icon-mark{height:48px;width:auto;display:block;margin-bottom:16px;filter:brightness(0) invert(1);opacity:.95;}
  .ecc-logo{height:26px;width:auto;display:block;}
  .partner-img-chip{
    display:flex;align-items:center;gap:12px;border:1px solid rgba(255,255,255,.18);
    border-radius:6px;padding:9px;background:rgba(255,255,255,.04);
    text-decoration:none;transition:border-color .2s ease, background .2s ease;
  }
  .partner-img-chip:hover{border-color:var(--gold);background:rgba(255,255,255,.07);}
  .partner-img-chip img{width:80px;height:auto;border-radius:3px;display:block;flex-shrink:0;}
  .partner-img-chip .chip-text strong{display:block;font-size:13px;color:#fff;margin-bottom:3px;}
  .partner-img-chip .chip-text span{font-size:11.5px;color:#C9B9E2;font-family:'IBM Plex Mono',monospace;display:flex;align-items:center;gap:5px;}
  .partner-art-link{display:block;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);}
  .partner-art-link img{width:100%;display:block;}

  @media (max-width:980px){
    .pillar-grid{grid-template-columns:repeat(2,1fr);}
    .cert-grid{grid-template-columns:repeat(2,1fr);}
    .two-col{grid-template-columns:1fr;gap:36px;}
  }
  @media (max-width:600px){
    .pillar-grid, .cert-grid{grid-template-columns:1fr;}
    .page-hero h1{font-size:30px;}
  }