body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f0f4f8; 
  color: #1e293b; 
  line-height: 1.6;
  overflow-x: hidden;
}

header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: #1e293b; 
}

.nav-link {
  font-weight: 500;
  transition: color 0.3s;
}
.nav-link:hover {
  color: #0e7490; 
  text-decoration: underline;
}

section {
  padding-top: 2rem;
  padding-bottom: 2rem;
}

h2 {
  font-size: 1.8rem;
  color: #0e7490; 
  margin-bottom: 1rem;
}

ul li {
  margin-bottom: 0.75rem;
  list-style-type: disc;
  margin-left: 1.5rem;
}

img {
  max-width: 100%;
  height: auto;
  border-radius: 0.5rem;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

footer p {
  font-size: 0.9rem;
  color: #64748b; 
}

.container {
  padding-left: 1rem;
  padding-right: 1rem;
}

/* === Mejoras responsive personalizadas === */

@media (max-width: 768px) {
  header h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  section {
    padding-top: 1rem;
    padding-bottom: 1rem;
  }

  .nav-link {
    font-size: 0.95rem;
  }

  footer p {
    font-size: 0.8rem;
  }
}

@media (max-width: 576px) {
  header h1 {
    font-size: 1.6rem;
  }

  h2 {
    font-size: 1.3rem;
  }

  p, li {
    font-size: 0.95rem;
  }

  .container {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }
}