.contact-block {
  max-width: 1100px;
  margin: 40px auto;
  padding: 16px;
  display: flex;
  align-items: stretch;
  flex-wrap: wrap; 
}

.contact-container {
  flex: 1 1 360px;
  background: linear-gradient(135deg, #03395B, #021b2f);
  color: #ffffff;
  border-radius: 16px 0 0 16px;
  padding: 24px;
  box-shadow: 0 6px 16px rgba(0,0,0,0.15);
}

.contact-container h3 {
  text-align: center;
  margin-bottom: 16px;
  color: #00c2e5;
}

.contact-container a {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #f5f7fa;
  text-decoration: none;
  padding: 10px 12px;
  border-radius: 12px;
  transition: transform .2s ease, background-color .2s ease;
  margin: 8px 0;
  justify-content: center;
}

.contact-container a img {
  width: 40px;
  height: 40px;
  display: block;
}

.contact-container a:hover {
  background: rgba(255,255,255,0.08);
  transform: translateY(-2px);
}

/* Carte formulaire (droite) */
.formulaire {
  flex: 1 1 520px;
  background: #f5f7fa;
  color: #021b2f;
  border-radius: 0 16px 16px 0;
  padding: 24px;
  box-shadow: 0 6px 16px rgba(0,0,0,0.10);
}

.formulaire h3 {
  text-align: center;
  margin-bottom: 16px;
  color: #021b2f;
}

/* Formulaire */
.formulaire-container form {
  display: grid;
  gap: 12px;
}

.formulaire label {
  font-size: 0.95rem;
}

.formulaire input,
.formulaire textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #cbd5e1;         /* gris clair */
  border-radius: 10px;
  background: #ffffff;
  color: #021b2f;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.formulaire textarea {
  min-height: 140px;
  resize: vertical;
}

.formulaire input:focus,
.formulaire textarea:focus {
  outline: none;
  border-color: #00c2e5;
  box-shadow: 0 0 0 3px rgba(0,194,229,0.2);
}

/* Bouton */
.formulaire button[type="submit"] {
  background: #021b2f;
  color: #00c2e5;
  border: none;
  border-radius: 12px;
  padding: 12px 16px;
  font-weight: 600;
  cursor: pointer;
  transition: transform .15s ease, background-color .2s ease;
}

.formulaire button[type="submit"]:hover {
  background: #03395B;
  transform: translateY(-1px);
}

@media (max-width: 900px) {
  .contact-block {
    margin: 24px auto;
    gap: 16px;
  }

  .contact-container,
  .formulaire {
    flex: 1 1 100%;
    border-radius: 10px;
  }

  .menu.open {
    display: flex;
  }
}