body {
  background-image:
    radial-gradient(circle at top left, rgba(210, 225, 255, 0.85), transparent 55%),
    radial-gradient(circle at bottom right, rgba(255, 215, 235, 0.75), transparent 55%),
    linear-gradient(135deg, #f1f5f9, #e5eaf1),
    repeating-linear-gradient(
      0deg,
      rgba(0,0,0,0.015),
      rgba(0,0,0,0.015) 1px,
      transparent 1px,
      transparent 4px
    );
}

nav a {
  margin-right: 20px;
  text-decoration: none;
  font-weight: bold;
  color: #1f2933;
}

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

.software-card {
  max-width: 500px;
  margin-top: 40px;
  padding: 22px;

  background: rgba(255, 255, 255, 0.95);
  border-radius: 10px;
  box-shadow:
    0 10px 25px rgba(0, 0, 0, 0.06),
    0 2px 6px rgba(0, 0, 0, 0.04);
}

.software-card img {
  width: 100%;
  border-radius: 4px;
  border: 1px solid #ddd;
}

.download {
  display: inline-block;
  margin-top: 15px;
  padding: 10px 15px;
  background: #007acc;
  color: white;
  text-decoration: none;
  border-radius: 4px;
}

.download:hover {
  background: #005fa3;
}