/* ===== RESPONSIVE STYLES ===== */
@media (max-width: 1200px) {
  .container {
    width: 95%;
  }
}

@media (max-width: 992px) {
  .hero {
    padding: 150px 0 80px;
  }
  
  .hero h1 {
    font-size: 2.2rem;
  }
  
  .services-grid,
  .vmv-grid,
  .expertise-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
  }
  
  .expertise-content,
  .services-content {
    grid-template-columns: 1fr;
  }
  
  .expertise-text,
  .services-text {
    position: static;
    margin-bottom: 40px;
    text-align: center;
  }
  
  .expertise-cta,
  .services-cta {
    flex-direction: row;
    justify-content: center;
  }
  
  .contact-section {
    padding: 80px 0;
  }
}

@media (max-width: 768px) {
  .header-container {
    flex-direction: row;
    padding: 15px 0;
  }
  
  .nav-list {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background: var(--white);
    flex-direction: column;
    align-items: center;
    padding: 20px 0;
    box-shadow: 0 5px 10px rgba(0,0,0,0.1);
  }
  
  .nav-list.active {
    display: flex;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .hero {
    padding: 120px 0 60px;
    margin-top: 70px;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero-cta,
  .expertise-cta,
  .services-cta {
    flex-direction: column;
    gap: 10px;
  }
  
  .btn {
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
  }
  
  .services-section,
  .services-preview,
  .expertises-section,
  .expertises-preview,
  .about-presentation,
  .about-vmv,
  .about-expertise {
    padding: 60px 0;
  }
  
  .services-cta,
  .expertise-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .service-card,
  .expertise-card {
    padding: 25px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .footer-section {
    text-align: center;
  }
  
  .social-links {
    justify-content: center;
  }
  
  .footer-nav ul {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .contact-container {
    grid-template-columns: 1fr;
  }
  
  .contact-info,
  .contact-form {
    padding: 30px;
  }
  
  .contact-section h1 {
    font-size: 1.8rem;
    margin-bottom: 30px;
  }
}

@media (max-width: 576px) {
  .services-section h2,
  .expertises-section h2 {
    font-size: 2rem;
  }
  
  .section-intro {
    font-size: 1rem;
  }
  
  .services-cta .btn,
  .expertise-cta .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.8rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  .section-header h2,
  .about-presentation h2,
  .about-vmv h2,
  .about-expertise h2,
  .about-cta h2,
  .services-section h2,
  .expertises-section h2 {
    font-size: 1.6rem;
  }
  
  .service-card,
  .vmv-card,
  .expertise-card {
    padding: 20px;
  }
  
  .services-grid,
  .expertise-grid,
  .expertise-list {
    grid-template-columns: 1fr;
  }
  
  .contact-section {
    padding: 60px 0;
  }
  
  .contact-info,
  .contact-form {
    padding: 20px;
  }
  
  .footer-nav ul {
    flex-direction: column;
    gap: 10px;
  }
  
  .services-text h3,
  .expertise-text h3 {
    font-size: 1.5rem;
  }
}