:root {
  --primary-color: #0A1F44;
  --accent-color: #8C52FF;
  --metallic-gray: #BDBDBD;
  --highlight-white: #FFFFFF;
  --shadow-color: rgba(0, 0, 0, 0.1);
  --hover-shadow: rgba(0, 0, 0, 0.2);
}

body {
  font-family: 'Open Sans', sans-serif;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: var(--highlight-white);
  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-family: 'Roboto Mono', monospace;
  font-size: 2.5rem;
  margin: 0;
}

header p {
  font-size: 1.2rem;
  margin-top: 10px;
}

.cards-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  padding: 20px;
}

.card {
  background: var(--highlight-white);
  color: var(--primary-color);
  border-radius: 10px;
  box-shadow: 0 4px 6px var(--shadow-color);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  overflow: hidden;
  position: relative;
}

.card:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 12px var(--hover-shadow);
}

.card img {
  width: 100%;
  height: auto;
  display: block;
}

.card-content {
  padding: 15px;
}

.card-title {
  font-family: 'Roboto Mono', monospace;
  font-size: 1.5rem;
  margin: 0 0 10px;
}

.card-description {
  font-size: 1rem;
  margin-bottom: 15px;
}

.card-footer {
  text-align: right;
}

.card-footer a {
  text-decoration: none;
  color: var(--accent-color);
  font-weight: bold;
  rel: "nofollow";
}

pre {
  background: var(--metallic-gray);
  color: var(--primary-color);
  padding: 15px;
  border-radius: 5px;
  overflow-x: auto;
}

code {
  font-family: 'Roboto Mono', monospace;
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  header h1 {
    font-size: 2rem;
  }

  .card {
    font-size: 0.9rem;
  }

  .cards-container {
    grid-template-columns: 1fr;
  }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.card {
  animation: fadeIn 1s ease-out forwards;
  opacity: 0;
}