:root{
  --nav-offset:120px;
  --container:1100px;
  --text:#0f172a;
  --muted:#475569;
  --brand:#7c3aed;
  --accent:#ffd166;
  --card:#ffffff;
  --border:#e5e7eb;
  --shadow:0 10px 30px rgba(0,0,0,.08);
}

html,body{margin:0;padding:0}
*{box-sizing:border-box}

.page{
  padding-top:var(--nav-offset); -webkit-box-sizing:border-box}

.page{
  padding-top -moz-box-sizing:border-box}

.page{
  padding-top -ms-box-sizing:border-box}

.page{
  padding-top
  background:#f8fafc;
  min-height:100dvh;
  color:var(--text);
}

.container{ width:min(100% - 2rem, var(--container)); margin-inline:auto; }

.a-propos-title{
  margin:0 0 1rem;
  font-size:clamp(1.8rem,3.5vw,2.6rem);
}

.a-propos-section{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:14px; -webkit-border-radius:14px;
  box-shadow:var(--shadow); -webkit-box-shadow:var(--shadow);
  margin:.9rem 0;
  overflow:hidden;
}

.toggle-section{
  margin:0;
  padding:1rem 1.1rem;
  font-size:clamp(1.1rem,2.5vw,1.35rem);
  font-weight:800;
  background:linear-gradient(180deg, rgba(124,58,237,.10), rgba(124,58,237,.04));
  border-bottom:1px solid var(--border);
  cursor:pointer; -webkit-cursor:pointer;
  outline:none; -webkit-outline:none; -moz-outline:none;
}
.toggle-section:focus{ box-shadow:0 0 0 3px rgba(124,58,237,.25) inset; -webkit-box-shadow:0 0 0 3px rgba(124,58,237,.25) inset; }

.section-content{
  padding:1rem 1.1rem;
}
.section-content[hidden]{ display:none; -webkit-flex:none; -webkit-flex:none; -ms-flex:none; -ms-flexbox:none; }

.section-content p{ margin:.6rem 0; color:var(--muted); line-height:1.55; }
.section-content ul{ margin:.4rem 0 0 1.25rem; }
.section-content a{ color:#1d4ed8; }

.inscription-container{
  text-align:center;
  margin:1.5rem 0 2.5rem;
}
.btn-inscription{
  display:inline-block; -webkit-flex:inline-block; -webkit-flex:inline-block; -ms-flex:inline-block; -ms-flexbox:inline-block;
  padding:.9rem 1.3rem;
  border-radius:999px; -webkit-border-radius:999px;
  background:linear-gradient(135deg, var(--accent), #ff9f1c);
  color:#1a1200;
  text-decoration:none; -webkit-text-decoration:none;
  font-weight:800;
  border:1px solid rgba(0,0,0,.06);
  box-shadow:var(--shadow); -webkit-box-shadow:var(--shadow);
  transition:transform .12s ease, filter .2s ease; -webkit-transition:transform .12s ease, filter .2s ease;
}
.btn-inscription:hover{ transform:translateY(-1px); -webkit-transform:translateY(-1px); -ms-transform:translateY(-1px); filter:brightness(1.03); -webkit-filter:brightness(1.03); }

@media (max-width:640px){
  .container{ width:min(100% - 1.5rem, var(--container)); }
  .btn-inscription{ width:100%; max-width:420px; }
}