.seminaire-section {
  position: relative;
  width: 100%;
  height: 420px;
  background: url("/assets/img/PIZZA_2.jpg") center / cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* voile sombre pour la lisibilité */
.seminaire-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
}

.seminaire-overlay {
  position: relative;
  text-align: center;
  color: #fff;
  padding: 2rem;
}

.seminaire-overlay h2 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 3.5rem;
  letter-spacing: 4px;
  margin-bottom: 0.5rem;
}

.seminaire-overlay p {
  font-size: 1rem;
  opacity: 0.9;
  margin-bottom: 1.5rem;
}

.btn-seminaire {
  display: inline-block;
  padding: 12px 32px;
  border: 1px solid #fff;
  color: #fff;
  text-decoration: none;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 1px;
  transition: all 0.3s ease;
}

.btn-seminaire:hover {
  background: #fff;
  color: #000;
}

/* Responsive */
@media (max-width: 768px) {
  .seminaire-section {
    height: 320px;
  }

  .seminaire-overlay h2 {
    font-size: 2.5rem;
  }
}