.filters {
      display: flex;
      gap: 1rem;
      justify-content: center;
      flex-wrap: wrap;
      margin-bottom: 2rem;
    }

    .filters button {
      background: var(--light-blue);
      color: var(--dark-blue);
      border: none;
      padding: 0.6rem 1.2rem;
      border-radius: 0px 20px 15px 25px;
      font-weight: 500;
      cursor: pointer;
      transition: var(--transition);
    }

    .filters button.actived,
    .filters button:hover {
      background: var(--primary-blue);
      color: white;
    }

    .formation-card {
      display: flex;
      flex-direction: column;
      background: var(--white);
      padding: 1rem;
      border-radius: 0px 20px 15px 25px;
      box-shadow: var(--shadow);
      overflow: hidden;
      transition: var(--transition);
    }

    .formation-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
    }

    .formation-card img {
      width: 100%;
      height: 180px;
      object-fit: cover;
      border-radius: var(--border-radius);
      margin-bottom: 1rem;
    }

    .formation-card .badge {
      background: var(--accent-blue);
      color: white;
      padding: 0.2rem 0.6rem;
      font-size: 0.75rem;
      border-radius: 10px;
      margin-bottom: 0.5rem;
      display: inline-block;
    }

    .formation-card button {
      margin-top: auto;
      padding: 0.6rem 1rem;
      border: none;
      border-radius: var(--border-radius);
      background: var(--gradient-blue);
      color: white;
      font-weight: 600;
      cursor: pointer;
      transition: var(--transition);
    }

    .formation-card button:hover {
      box-shadow: var(--shadow-hover);
      transform: scale(1.05);
    }
 .modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0,0,0,0.5);
}

.modal-content {
  background: white;
  margin: 10% auto;
  padding: 2rem;
  border-radius: var(--border-radius);
  max-width: 500px;
  width: 90%;
  box-shadow: var(--shadow-hover);
  position: relative;
}

.close-btn {
  position: absolute;
  top: 15px;
  right: 20px;
  font-size: 1.5rem;
  color: #333;
  cursor: pointer;
}

.modal-content h2 {
  margin-bottom: 1rem;
  color: var(--primary-blue);
}

.modal-content input {
  width: 100%;
  padding: 0.8rem;
  margin-bottom: 1rem;
  border: 1px solid #ccc;
  border-radius: var(--border-radius);
  font-family: inherit;
}
  .success-message {
      background: #d1e7dd;
      color: #0f5132;
      border: 1px solid #badbcc;
      padding: 1rem;
      margin-bottom: 1rem;
      border-radius: var(--border-radius);
      display: none;
    }
 .hero-image img {
    width: 100%;
    max-width: 560px;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-hover);
    position: relative;
    z-index: 1;
}