:root{--ink:#0E1726;--ground:#F3F5F0;--card:#fff;--line:#DDE2D8;--muted:#566074;--soft:#C9D1DE;--lime:#C8F031;--max:1200px;--display:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ground);color:var(--ink);font:17px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--ink)}
a:hover{color:#3B4A63}
h1,h2,h3{font-family:var(--display);letter-spacing:-.02em;line-height:1.1}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}

/* En-tête */
header.site{background:var(--ink);color:#fff}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;padding-top:20px;padding-bottom:20px}
.logo{position:relative;display:inline-block;padding-left:44px;font-family:var(--display);font-weight:800;font-size:1.5rem;color:#fff;text-decoration:none;letter-spacing:-.02em}
.logo::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:34px;height:34px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 64 64'%3E%3Crect width='64' height='64' rx='16' fill='%23C8F031'/%3E%3Cpath d='M13 20L23 46L32 28L41 46L51 20' fill='none' stroke='%230E1726' stroke-width='7' stroke-linecap='round' stroke-linejoin='round'/%3E%3Ccircle cx='51' cy='10' r='4' fill='%230E1726'/%3E%3C/svg%3E") center/contain no-repeat}
.logo span{color:#fff}
header.site nav{display:flex;flex-wrap:wrap;align-items:center;gap:8px 28px}
header.site nav a{color:#E4E9F2;text-decoration:none;font-size:.95rem}
header.site nav a:hover{color:var(--lime)}
header.site nav a[aria-current]{color:var(--lime);font-weight:600}
header.site nav a:last-child{background:var(--lime);color:var(--ink);font-weight:600;padding:10px 20px;border-radius:999px}
header.site nav a:last-child:hover{color:var(--ink);background:#d9f76a}

/* Boutons */
.btn{display:inline-block;margin-top:16px;padding:15px 28px;border-radius:999px;background:var(--lime);color:var(--ink);text-decoration:none;font-weight:600}
.btn:hover{color:var(--ink);background:#d9f76a}
.btn.ghost{background:transparent;color:#fff;border:1px solid #55627A;padding:14px 27px}
.btn.ghost:hover{color:#fff;border-color:var(--lime)}
.btn.dark{background:var(--ink);color:#fff}
.btn.dark:hover{color:#fff;background:#1c2a44}

/* Contenu */
section{padding:56px 0}
main h1{font-size:clamp(2.2rem,5vw,3.6rem);margin:0 0 20px}
h2{font-size:clamp(1.8rem,4vw,2.6rem);margin:0 0 24px}
main p{max-width:68ch}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;margin:24px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:32px;min-width:0}
.card h2,.card h3{margin:0 0 10px;font-size:1.5rem;line-height:1.2}
.card p{margin:0;color:var(--muted)}
.card .num{font-weight:800;color:var(--muted);font-size:.9rem;margin-bottom:8px}
.card.lime{background:var(--lime);border-color:var(--lime);display:flex;flex-direction:column;justify-content:space-between;gap:20px}
.card.lime h3{font-size:1.75rem}
.card.lime .btn{align-self:flex-start;margin:0}
.card img{display:block;width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;object-position:top;border-radius:12px;margin-bottom:20px;border:1px solid var(--line)}

/* Accueil : hero */
.hero-band{background:var(--ink);color:#fff}
.hero{display:flex;flex-wrap:wrap;align-items:center;gap:56px;padding:64px 24px 96px}
.hero .text{flex:1 1 520px;min-width:0}
.hero .visual{flex:1 1 420px;min-width:0}
.eyebrow{margin:0 0 20px;font-size:.85rem;letter-spacing:.08em;text-transform:uppercase;color:var(--lime);font-weight:600}
.hero h1{font-size:clamp(2.5rem,6vw,4.5rem);line-height:1.04;margin:0 0 24px;max-width:15ch}
.hero p.lead{color:var(--soft);font-size:1.2rem;max-width:34em;margin:0 0 36px}
.hero .actions{display:flex;flex-wrap:wrap;gap:14px}
.hero .actions .btn{margin:0}

/* Carte de résultats de recherche */
.serp{background:#fff;color:var(--ink);border-radius:20px;padding:24px;box-shadow:0 30px 60px rgba(0,0,0,.35)}
.serp .search{display:flex;align-items:center;gap:12px;background:#EEF1EA;border-radius:999px;padding:12px 18px;font-size:.95rem;color:#3B4A63}
.serp .first{margin-top:22px;display:flex;gap:14px;align-items:flex-start;background:#F6FBDD;border:1px solid var(--lime);border-radius:14px;padding:16px}
.serp .rank{flex:none;width:32px;height:32px;border-radius:50%;background:var(--ink);color:var(--lime);font-weight:700;display:flex;align-items:center;justify-content:center}
.serp .url{font-size:.8rem;color:var(--muted)}
.serp .title{font-size:1.2rem;font-weight:600;color:#1D4ED8;line-height:1.3}
.serp .desc{font-size:.9rem;color:#3B4A63}
.serp .ghostrow{padding:16px;opacity:.5}
.serp .ghostrow i{display:block;height:10px;background:var(--soft);border-radius:6px;margin-top:10px}
.serp .ghostrow i:first-child{width:40%;margin-top:0}
.serp .ghostrow i:nth-child(2){width:70%;height:14px}
.serp .ghostrow i:nth-child(3){width:85%;background:var(--line)}
.serp .ghostrow.fade{opacity:.3}

/* Accueil : bandeau de références, formation, à propos */
.refs{border-bottom:1px solid var(--line)}
.refs .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px 32px;padding-top:28px;padding-bottom:28px}
.refs small{color:var(--muted);font-size:.9rem}
.refs strong{font-family:var(--display);font-size:1.25rem;letter-spacing:-.01em}
.lead-sub{color:var(--muted);font-size:1.15rem;max-width:40em;margin:0 0 40px}
.formation{background:var(--ink);color:#fff;border-radius:28px;padding:56px;display:flex;flex-wrap:wrap;gap:40px;align-items:center}
.formation .text{flex:1 1 420px;min-width:0}
.formation .list{flex:1 1 360px;min-width:0;display:flex;flex-direction:column;gap:12px}
.formation h2{margin:0 0 16px}
.formation p{color:var(--soft);font-size:1.1rem;margin:0 0 28px}
.formation .item{border:1px solid #2C3A55;border-radius:14px;padding:16px 20px}
.formation .item span{color:var(--soft)}
.formation .btn{margin:0}
.about{display:flex;flex-wrap:wrap;gap:48px;align-items:center}
.about .text{flex:1 1 460px;min-width:0}
.about .stats{flex:1 1 460px;min-width:0;display:flex;flex-wrap:wrap;gap:16px}
.about .stat{flex:1 1 130px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px}
.about .stat b{display:block;font-family:var(--display);font-size:2.5rem;line-height:1;letter-spacing:-.02em}
.about .stat span{display:block;margin-top:8px;color:var(--muted);font-size:.95rem}
.cta-band{background:var(--lime);margin-top:56px}
.cta-band .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;padding-top:80px;padding-bottom:80px}
.cta-band h2{margin:0;flex:1 1 420px;font-size:clamp(2rem,4.5vw,3.5rem);line-height:1.05}
.cta-band .btn{margin:0}
.cta-band small{display:block;margin-top:10px}

/* Formulaire */
form{display:grid;gap:16px;max-width:560px;margin-top:24px}
label{display:grid;gap:6px;font-weight:600;font-size:.95rem}
input,textarea{font:inherit;padding:12px 14px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink)}
input:focus,textarea:focus{outline:2px solid var(--ink);outline-offset:1px}
button.btn{border:0;cursor:pointer;font:inherit;font-weight:600;justify-self:start;margin-top:0}
button.btn:disabled{opacity:.6;cursor:wait}
form .note{margin:0;color:var(--muted);font-size:.85rem}
form .status{margin:0;min-height:1.5em}

/* Pied de page */
footer.site{background:var(--ink);color:var(--soft);font-size:.9rem;padding:28px 0}
footer.site a{color:var(--soft)}
footer.site a:hover{color:var(--lime)}

@media (max-width:640px){
  .formation{padding:32px 24px}
  .hero{padding-top:40px;padding-bottom:64px;gap:40px}
  header.site nav{gap:6px 18px}
}