body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: #333;
  background: #f9f9f9;
}

.hero {
  background: linear-gradient(135deg, #eaf4f2, #d9eeea);
  color: #1f3b3a;
  text-align: center;
  padding: 80px 10px;
}

.logo {
  width: 100%;
  max-width: 360px; /* tamaño grande pero elegante */
  height: auto;
  margin-bottom: 30px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.subtitle {
  font-size: 1.2em;
  margin-bottom: 30px;
}

.btn {
  background: white;
  color: #2f7d6d;
  padding: 12px 24px;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
}

section {
  padding: 60px 20px;
  max-width: 900px;
  margin: auto;
}

section.alt {
  background: #ffffff;
}

h2 {
  margin-bottom: 20px;
  color: #2f7d6d;
}

ul {
  padding-left: 20px;
}

footer {
  background: #222;
  color: #ccc;
  text-align: center;
  padding: 20px;
}