* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', sans-serif;
  }
  
  body {
    background-color: #f4f4f4;
    color: #333;
    line-height: 1.6;
  }
  
  header {
    background-color: #20232a;
    color: white;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .logo {
    font-size: 1rem;
    font-weight: bold;
  }
  .logo img {
    height: 2em; /* 2 veces el tamaño de la fuente del contenedor */
    width: auto;
    border-radius: 5px;
  }
  nav ul {
    list-style: none;
    display: flex;
    gap: 1rem;
  }
  
  nav a {
    color: white;
    text-decoration: none;
  }
  
  .hero {
    background: linear-gradient(to right, #0066cc, #00ccff);
    color: white;
    text-align: center;
    padding: 4rem 2rem;
  }
  
  .servicios, .nosotros, .contacto {
    padding: 2rem;
    background-color: white;
    margin: 1rem 0;
  }
  
  .cards {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
  }
  
  .card {
    background-color: #f9f9f9;
    padding: 1rem;
    border-radius: 10px;
    box-shadow: 0 0 8px rgba(0,0,0,0.1);
    flex: 1;
    min-width: 250px;
  }
  
  form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 500px;
    margin: auto;
  }
  
  input, textarea, button {
    padding: 0.75rem;
    border: 1px solid #ccc;
    border-radius: 5px;
  }
  
  button {
    background-color: #0066cc;
    color: white;
    cursor: pointer;
  }
  
  footer {
    background-color: #20232a;
    color: white;
    text-align: center;
    padding: 1rem;
  }