body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f4f7f9;
  color: #333;
}

.container {
  width: 80%;
  margin: auto;
}

header {
  background-color: #ff6633;
  color: white;
  text-align: center;
  padding: 20px;
}

header h1 {
  margin: 0;
  font-size: 2em;
}

header p {
  font-size: 1.1em;
}

main {
  padding: 20px;
}

section {
  background-color: white;
  margin-bottom: 20px;
  padding: 15px;
  border-radius: 10px;
  box-shadow: 0 0 5px rgba(0,0,0,0.1);
}

h2 {
  color: #ff6600;
  margin-top: 0;
}

ul {
  list-style-type: disc;
  margin-left: 20px;
}

.imagen-redonda {
  display: block;
  margin: 10px auto;
  width: 200px;
  height: 200px;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid #ff6600;
}

iframe {
  display: block;
  margin: 20px auto;
  max-width: 100%;
  border-radius: 10px;
}

footer {
  background-color: #ff6633;
  color: white;
  text-align: center;
  padding: 15px;
  font-size: 0.9em;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 1024px) {
  .container {
    width: 90%;
  }

  header h1 {
    font-size: 1.9rem;
  }

  .grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .container {
    width: 95%;
  }

  header h1 {
    font-size: 1.6rem;
  }

  header p {
    font-size: 1rem;
  }

  section {
    padding: 10px;
  }

  .imagen-redonda {
    width: 150px;
    height: 150px;
  }

  .grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  header h1 {
    font-size: 1.4rem;
  }

  header p {
    font-size: 0.9rem;
  }

  .imagen-redonda {
    width: 120px;
    height: 120px;
  }

  button {
    width: 100%;
    padding: 12px;
    font-size: 1rem;
  }
}