body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  padding-top: 90px;
}

.navbar {
  background: var(--nav);
  border-bottom: 1px solid rgba(255,255,255,.05);
  backdrop-filter: blur(10px);
}

.nav-link {
  color: var(--text) !important;
  font-weight: 500;
}

.nav-link:hover {
  color: var(--primary) !important;
}

.hero {
  position: relative;
  color: #fff;
  padding: 140px 20px;
  text-shadow: 0 2px 6px rgba(0,0,0,.5);
  
  /* Image + dégradé */
  background: 
    linear-gradient(160deg, rgba(30,58,138,0.6), rgba(2,6,23,0.6)),
    url('/assets/img/data-center-775ta0o0wf4nbyq3.jpg') center/cover no-repeat;
  
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero h1 {
  letter-spacing: -.03em;
}

/* Mobile et tablettes */
@media (max-width: 768px) {
  .hero {
    padding: 100px 15px; /* Moins d’espace vertical sur petit écran */
    background-position: top center; /* Recentre l’image pour mobile */
  }

  .hero h1 {
    font-size: 2rem; /* Texte plus lisible sur mobile */
  }

  .hero p.lead {
    font-size: 1rem;
  }

  .hero .btn {
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
  }
}

/* Très petits écrans */
@media (max-width: 480px) {
  .hero {
    padding: 80px 10px;
  }

  .hero h1 {
    font-size: 1.6rem;
  }

  .hero p.lead {
    font-size: 0.9rem;
  }
}