body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  color: #333;
  line-height: 1.6;
  position: relative;
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("img/fondo.png");
  background-repeat: repeat;
  opacity: 0.4;
  z-index: -1;
}

header {
  background: linear-gradient(135deg, rgba(41, 128, 185, 0.9), rgba(109, 213, 250, 0.9));
  color: #fff;
  text-align: center;
  padding: 3rem 1rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

header h1 {
  margin: 0;
  font-size: 2.5rem;
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1rem;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

section {
  margin: 2rem 0;
}

section ul {
  padding-left: 1.25rem;
}

.screenshots {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  margin: 2rem 0;
}

.screenshots img {
  width: 200px;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.download {
  display: inline-block;
  margin-top: 1.5rem;
  padding: 0.75rem 2rem;
  background: #2980b9;
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.download:hover {
  background: #1f6391;
}

footer {
  background: rgba(41, 128, 185, 0.9);
  text-align: center;
  padding: 1rem;
  color: #fff;
}

footer a {
  margin: 0 0.5rem;
  color: #fff;
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

.faq dt {
  font-weight: bold;
  margin-top: 1rem;
}

.faq dd {
  margin-left: 1rem;
  margin-bottom: 0.5rem;
}