/* ============================================================
   BAUHAUS — Système de design des Curseurs Didactiques
   Rémy Van de Moosdyk · remyvdm.com/curseurs
   Utilisé par : index, inscription, guide-cle-api, ma-cle, login…
   ============================================================ */

:root{
  --bg:#f4efe6;
  --ink:#191714;
  --blue:#1d4fd7;
  --red:#e03a2f;
  --yellow:#f2b705;
  --paper:#ffffff;
  --muted:#3c3831;
  --sans:'Avenir Next','Century Gothic',Futura,-apple-system,BlinkMacSystemFont,'Segoe UI',Helvetica,Arial,sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.55}
a{color:inherit;text-decoration:none}
.bh-wrap{max-width:1120px;margin:0 auto;padding:0 32px}
.bh-narrow{max-width:760px;margin:0 auto;padding:0 32px}

/* ---------- Header / nav ---------- */
.bh-header{background:var(--bg);border-bottom:3px solid var(--ink);position:sticky;top:0;z-index:50}
.bh-nav{display:flex;align-items:center;gap:28px;height:74px}
.bh-logo{display:flex;align-items:center;gap:14px}
.bh-shapes{display:flex;gap:4px}
.bh-shapes i{display:block;width:14px;height:14px}
.bh-shapes i:nth-child(1){background:var(--red);border-radius:50%}
.bh-shapes i:nth-child(2){background:var(--blue)}
.bh-shapes i:nth-child(3){width:0;height:0;background:none;border-left:8px solid transparent;border-right:8px solid transparent;border-bottom:14px solid var(--yellow)}
.bh-id{display:flex;flex-direction:column;line-height:1.15}
.bh-id b{font-weight:800;font-size:15.5px;text-transform:uppercase;letter-spacing:.04em}
.bh-id span{font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.14em;color:var(--red)}
.bh-links{display:flex;gap:24px;margin-left:auto;font-size:13.5px;font-weight:600;text-transform:uppercase;letter-spacing:.05em}
.bh-links a:hover{color:var(--blue)}

/* ---------- Boutons ---------- */
.bh-btn{display:inline-block;padding:12px 24px;font-size:13.5px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;border:3px solid var(--ink);background:var(--bg);color:var(--ink);box-shadow:5px 5px 0 var(--ink);transition:transform .1s,box-shadow .1s;cursor:pointer;font-family:var(--sans)}
.bh-btn:hover{transform:translate(2px,2px);box-shadow:3px 3px 0 var(--ink)}
.bh-btn:disabled{opacity:.55;cursor:default;transform:none}
.bh-btn-blue{background:var(--blue);color:#fff}
.bh-btn-yellow{background:var(--yellow);color:var(--ink)}
.bh-btn-red{background:var(--red);color:#fff}
.bh-btn-sm{padding:8px 16px;font-size:12px;box-shadow:4px 4px 0 var(--ink)}

/* ---------- Cartes ---------- */
.bh-card{background:var(--paper);border:3px solid var(--ink);box-shadow:7px 7px 0 var(--ink);padding:28px}
.bh-card-flat{background:var(--paper);border:3px solid var(--ink);padding:22px}

/* ---------- Titres / sections ---------- */
.bh-h1{font-size:44px;line-height:1.05;font-weight:800;text-transform:uppercase;letter-spacing:-.01em}
.bh-h2{font-size:30px;font-weight:800;text-transform:uppercase;letter-spacing:-.01em}
.bh-h3{font-size:16px;font-weight:800;text-transform:uppercase;letter-spacing:.02em}
.bh-over{display:inline-block;background:var(--yellow);border:3px solid var(--ink);padding:7px 14px;font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.1em;box-shadow:4px 4px 0 var(--ink)}
.bh-sec-head{display:flex;align-items:center;gap:20px;margin-bottom:38px}
.bh-chip{width:22px;height:22px;flex:none}
.bh-chip.c-red{background:var(--red);border-radius:50%;border:3px solid var(--ink)}
.bh-chip.c-blue{background:var(--blue);border:3px solid var(--ink)}
.bh-chip.c-yel{width:0;height:0;border-left:13px solid transparent;border-right:13px solid transparent;border-bottom:22px solid var(--yellow);border-top:none}

/* ---------- Formulaires ---------- */
.bh-field{margin-bottom:20px}
.bh-field label{display:block;font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;margin-bottom:8px}
.bh-field input,.bh-field select,.bh-field textarea{width:100%;padding:13px 14px;font-size:15px;font-family:var(--sans);border:3px solid var(--ink);background:#fff;color:var(--ink);border-radius:0;-webkit-appearance:none;appearance:none}
.bh-field input:focus,.bh-field select:focus,.bh-field textarea:focus{outline:none;box-shadow:4px 4px 0 var(--blue)}
.bh-field .hint{font-size:12.5px;color:var(--muted);margin-top:6px}
.bh-msg{border:3px solid var(--ink);padding:14px 16px;font-size:14px;font-weight:600;margin-bottom:20px}
.bh-msg-err{background:#fbe3e0;border-color:var(--red)}
.bh-msg-ok{background:#e7f3ea;border-color:#1d7a43}
.bh-msg-info{background:#fdf1cd;border-color:var(--yellow)}

/* ---------- Marquee ---------- */
.bh-marquee{border-top:3px solid var(--ink);border-bottom:3px solid var(--ink);background:var(--ink);color:var(--bg);padding:13px 0;font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.14em;text-align:center}
.bh-marquee span{margin:0 22px}

/* ---------- Footer ---------- */
.bh-footer{border-top:3px solid var(--ink);padding:38px 0;margin-top:80px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.08em}
.bh-footer a:hover{color:var(--blue)}

/* ---------- Étapes numérotées ---------- */
.bh-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.bh-step-n{display:inline-flex;width:40px;height:40px;align-items:center;justify-content:center;font-weight:800;font-size:17px;border:3px solid var(--ink);margin-bottom:18px}
.n-red{background:var(--red);color:#fff;border-radius:50%}
.n-blue{background:var(--blue);color:#fff}
.n-yellow{background:var(--yellow)}

@media(max-width:900px){
  .bh-h1{font-size:32px}
  .bh-steps{grid-template-columns:1fr}
  .bh-links{display:none}
}