/* Responsividade para OpenFrio Landing Page */

/* Telas até 992px (Tablets e Notebooks menores) */
@media (max-width: 992px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-trust {
    justify-content: center;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .form-card {
    max-width: 500px;
    margin: 0 auto;
  }
  
  .authority-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-3, .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Telas até 768px (Tablets e Celulares Grandes) */
@media (max-width: 768px) {
  .header-container {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .nav-links {
    display: none; /* Em versão final, implementar menu hambúrguer */
  }
  
  h1 { font-size: 2rem; }
  
  .hero {
    padding-top: 100px;
    min-height: auto;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .timeline::before {
    left: 20px;
  }
  
  .timeline-item {
    width: 100%;
    padding-left: 50px !important;
    padding-right: 0 !important;
    left: 0 !important;
  }
  
  .timeline-dot {
    left: 10px !important;
  }
  
  .gallery-item {
    width: 160px;
  }
  
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
}

/* Telas até 480px (Celulares) */
@media (max-width: 480px) {
  .authority-grid, .grid-3, .grid-4, .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .gallery-item {
    width: 140px;
  }
  .gallery-item img {
    height: 110px;
  }
  
  .hero-buttons .btn {
    width: 100%;
  }
}