body {
  margin: 0;
  font-family: 'Open Sans', sans-serif;
  background: linear-gradient(to bottom, #0A192F, #000000);
  color: #BDCDD6;
  line-height: 1.6;
}
header {
  background: linear-gradient(135deg, #0A192F, #142850);
  padding: 2rem 1rem;
  text-align: center;
  position: relative;
}
header h1 {
  font-family: 'Fira Sans', sans-serif;
  font-size: 2.5rem;
  color: #38E54D;
  text-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}
.container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}
.module {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  padding: 1.5rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.module:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}
img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 1rem;
}
h2, h3 {
  font-family: 'Fira Sans', sans-serif;
  color: #7B2CBF;
}
code {
  background: #1E2D4B;
  color: #38E54D;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}
pre {
  background: #1E2D4B;
  padding: 1rem;
  border-radius: 8px;
  overflow-x: auto;
}
.highlight {
  color: #38E54D;
  font-weight: bold;
}
button {
  background: linear-gradient(135deg, #38E54D, #7B2CBF);
  border: none;
  color: white;
  padding: 0.8rem 1.5rem;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.3s ease;
}
button:hover {
  transform: scale(1.1);
}
ul {
  list-style: none;
  padding: 0;
}
li {
  background: rgba(255, 255, 255, 0.05);
  margin: 0.5rem 0;
  padding: 0.5rem;
  border-radius: 4px;
}
@media (max-width: 768px) {
  header h1 {
    font-size: 2rem;
  }
  .container {
    grid-template-columns: 1fr;
  }
}