@media (max-width: 768px) {
  /* mobiles/tablettes */

  /* Globals */
  html,
  body {
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    width: 100%;
  }

  .container {
    max-width: 100%;
    padding: 0 1rem;
    margin: 0 auto;
  }

  /* Hero/VP */
  .vp-container {
    flex-direction: column;
    align-items: center;
    padding: 0;
    width: 100%;
  }

  .hero {
    flex-direction: column;
    height: 50vh;
    padding: 1rem 0;
    width: 100%;
    background-size: cover;
    justify-content: center;
  }

  .vp-content {
    max-width: 100%;
    padding: 0 1rem;
  }

  .vp-content h1 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
  }

  .vp-content p {
    font-size: 1.4rem;
  }

  .hero-cta {
    width: 100%; /* Bouton full-width tactile */
    margin: 1rem 0;
  }

  /* Autres sections (projets, contact) */
  .project-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .project-card {
    width: 100%;
  }

  .contact {
    padding: 4rem 1rem;
  }

  .contact-form {
    max-width: 100%;
  }

  /* Footer  */
  footer {
    padding: 1.5rem 0;
    margin: 0;
  }

  img {
    max-width: 100%;
    height: auto;
  }
}