body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f3f6fa;
  color: #333;
}

header {
  background-color: #003366;
  color: white;
  padding: 40px 20px;
  text-align: center;
}

main {
  max-width: 900px;
  margin: auto;
  padding: 20px;
}

h2 {
  color: #003366;
  margin-bottom: 10px;
}

ul {
  list-style: none;
  padding: 0;
}

ul li {
  background: #e3eaf2;
  margin-bottom: 8px;
  padding: 10px;
  border-radius: 5px;
}

button {
  background-color: #0052cc;
  color: white;
  padding: 10px 20px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1em;
}

button:hover {
  background-color: #003d99;
}

.contacto strong {
  font-size: 1.2em;
  color: #0052cc;
}

footer {
  background-color: #e3eaf2;
  text-align: center;
  padding: 20px;
  font-size: 0.9em;
  margin-top: 40px;
}
.diagnostico {
  margin-top: 40px;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #ffffff;
}

thead {
  background-color: #003366;
  color: white;
}

th, td {
  padding: 10px;
  text-align: left;
  border-bottom: 1px solid #ddd;
}

tr:hover {
  background-color: #f0f4f8;
}