body {
  margin: 0;
  font-family: 'Orbitron', sans-serif;
  background-color: #001535;
  color: #c9d1d9;
}
nav {
  background-color: #001535;
  padding: 1rem;
  text-align: center;
}
nav a {
  color: #7cb9ff;
  margin: 0 1rem;
  text-decoration: none;
  font-weight: bold;
}
nav a:hover {
  color: #9dcbf3;
}
.container {
  padding: 2rem;
  max-width: 900px;
  margin: auto;
}
footer {
  text-align: center;
  padding: 1rem;
  background: #001535;
  color: #8b949e;
  margin-top: 2rem;
}
.card {
  background-color: #01041f;
  border-radius: 10px;
  padding: 1rem;
  margin: 1rem 0;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 20px rgba(10, 95, 192, 0.3);
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
}
.center-image {
  display: block;
  margin: 20px auto;
  max-width: 100%;
  height: auto;
  border-radius: 10px;
}


.btn {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  background-color: #02a823;
  color: white;
  border-radius: 8px;
  text-decoration: none;
  transition: background 0.3s ease;
}

.btn:hover {
  background-color: #136d24;
}


.blue-paragraph { color: #58a3ff; }
.green-paragraph { color: #469b18; }
.purple-paragraph { color: #6a00ff; }