:root {
  --primary-color: #001f3f;
  --secondary-color: #8e44ad;
  --accent-color: #39cccc;
  --highlight-color: #2ecc71;
  --text-color: #ecf0f1;
  --code-bg: #2c3e50;
}

body {
  font-family: 'Roboto', sans-serif;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--text-color);
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

header {
  text-align: center;
  padding: 40px 20px;
  background: rgba(0, 0, 0, 0.2);
}

header h1 {
  font-size: 2.5rem;
  background: linear-gradient(90deg, var(--accent-color), var(--highlight-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  padding: 20px;
}

.section {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease;
}

.section:hover {
  transform: translateY(-5px);
}

.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
}

.image-grid img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  object-fit: cover;
}

pre {
  background: var(--code-bg);
  color: var(--text-color);
  padding: 15px;
  border-radius: 5px;
  overflow-x: auto;
  font-size: 0.9rem;
}

article {
  background: rgba(0, 0, 0, 0.3);
  padding: 20px;
  border-radius: 10px;
}

article h2, article h3 {
  color: var(--accent-color);
}

@media (max-width: 768px) {
  header h1 {
    font-size: 2rem;
  }
  
  .container {
    grid-template-columns: 1fr;
  }
  
  pre {
    font-size: 0.8rem;
  }
}