/* Reset e base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  }
  
  body {
    background: #f4f6f8;
    color: #222;
    line-height: 1.6;
  }
  
  /* Layout geral */
  .container {
    max-width: 1100px;
    margin: auto;
    padding: 2rem;
  }
  
  header {
    background: linear-gradient(to right, #0d47a1, #1976d2);
    color: white;
    text-align: center;
    padding: 3rem 1rem;
    border-bottom: 5px solid #0a369d;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  }
  
  .logo {
    width: 90px;
    margin-bottom: 1rem;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
  }
  
  .intro {
    background-color: white;
    padding: 3rem 1rem;
    text-align: center;
  }
  
  .intro-image {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin-bottom: 1rem;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  }
  
  .features,
  .observations,
  .cta {
    padding: 4rem 1rem;
    background: #ffffff;
  }
  
  .features h2,
  .observations h2,
  .cta h2 {
    color: #0d47a1;
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
  }
  
  .cards {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .card {
    background: #f9fbfc;
    border-radius: 16px;
    padding: 2rem;
    width: 300px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.07);
    transition: transform 0.3s, box-shadow 0.3s;
    text-align: center;
  }
  
  .card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.15);
  }
  
  .card i {
    color: #1976d2;
    margin-bottom: 1rem;
  }
  
  .card h3 {
    margin-bottom: 0.5rem;
    color: #333;
  }
  
  .card p {
    color: #555;
    font-size: 0.95rem;
  }
  
  .contact-link {
    display: inline-block;
    margin-top: 1rem;
    color: #ffffff;
    background-color: #25d366;
    padding: 0.5rem 1rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    transition: background 0.3s;
  }
  
  .contact-link:hover {
    background-color: #1ebd5f;
  }
  
  /* Call to action */
  .cta {
    background: linear-gradient(to right, #0d47a1, #1976d2);
    color: white;
    text-align: center;
    border-radius: 20px;
    margin-top: 2rem;
  }
  
  .cta .button {
    display: inline-block;
    margin-top: 1rem;
    background: white;
    color: #0d47a1;
    padding: 0.8rem 2rem;
    border-radius: 30px;
    font-weight: bold;
    text-decoration: none;
    transition: background 0.3s, color 0.3s;
  }
  .cta h2{
    color: white;
  }
  .cta .button:hover {
    background: #e3f2fd;
    color: #0b3c91;
  }
  
  /* Footer */
  .footer {
    background-color: #0d47a1;
    color: white;
    text-align: center;
    padding: 2rem 1rem;
    margin-top: 2rem;
    font-size: 0.9rem;
  }