body {
  font-family: 'Poppins', sans-serif;
  background-color: #000;
  color: #fff;
  margin: 0;
  padding: 0;
}

main {
  max-width: 900px;
  margin: 50px auto;
  background-color: #111;
  padding: 40px;
  border-radius: 20px;
  box-shadow: 0 0 20px rgba(0,0,0,0.4);
}

.header { text-align: center; margin-bottom: 30px; }
.logo { width: 200px; margin-bottom: 10px; }

.accent { color: #9f906f; }
.muted { color: #ccc; }

/* boutons */
.btn-main, .btn-secondary {
  padding: 10px 25px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all .2s ease;
}
.btn-main { background: #9f906f; color: #fff; }
.btn-main:hover { background: #b4a57d; }
.btn-secondary { background: #555; color: #fff; }
.btn-secondary:hover { background: #777; }

/* inputs */
input, select {
  background: #222;
  color: #fff;
  border: 1px solid #444;
  border-radius: 6px;
  padding: 10px;
  width: 100%;
}
input::placeholder { color: #aaa; }

.with-hint { display: flex; flex-direction: column; gap: 5px; }
.hint { color: #9f906f; font-size: 12px; }

.inline-check { display: flex; align-items: center; gap: 10px; margin-top: 20px; }
.inline-check input { transform: scale(1.1); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 15px;
}

.nav-btns { margin-top: 25px; display: flex; justify-content: space-between; gap: 10px; }

.progress-container {
  width: 100%;
  background: #333;
  border-radius: 10px;
  height: 10px;
  margin-bottom: 25px;
}
.progress-bar {
  height: 10px;
  background: #9f906f;
  width: 0%;
  transition: width 0.4s ease;
  border-radius: 10px;
}

/* transitions */
.step {
  display: none;
  opacity: 0;
  transform: translateX(50px);
  transition: all 0.5s ease;
}
.step.active { display: block; opacity: 1; transform: translateX(0); }
.slide-left-exit { transform: translateX(-100%); opacity: 0; transition: all .5s; }
.slide-right-exit { transform: translateX(100%); opacity: 0; transition: all .5s; }

/* erreurs */
.error { border-color: #ff5a5a !important; }
.error-banner {
  background: #2a0000;
  color: #ff9b9b;
  border: 1px solid #ff5a5a;
  border-radius: 10px;
  padding: 10px 14px;
  margin-bottom: 15px;
  font-size: 14px;
}
.hidden { display: none; }

/* ---- LOGO EN-TÊTE ---- */
.logo-header {
  width: 120px;          /* taille équilibrée du logo */
  height: auto;
  display: block;
  margin: 0 auto 15px;   /* centre horizontalement + espace dessous */
}

.header h1 {
  font-size: 2.2em;
  color: #9f906f;
  margin-bottom: 8px;
}

.header p {
  color: #ccc;
  font-size: 1rem;
}