:root {
  --primary-color: #0d1b2a;
  --secondary-color: #fbbf24;
  --accent-color: #e9a11b;
  --text-color: #ffffff;
  --font-header: 'Roboto', sans-serif;
  --font-body: 'Open Sans', sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-body);
  background: linear-gradient(135deg, #0d1b2a, #162447);
  color: var(--text-color);
  line-height: 1.6;
  padding: 20px;
}

header {
  text-align: center;
  padding: 40px 20px;
  background: rgba(251, 191, 36, 0.1);
  margin-bottom: 30px;
}

header h1 {
  font-family: var(--font-header);
  font-size: 3rem;
  color: var(--secondary-color);
  text-transform: uppercase;
  letter-spacing: 2px;
}

section {
  max-width: 1200px;
  margin: auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

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

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
}

.card img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  margin-bottom: 15px;
}

h2, h3 {
  font-family: var(--font-header);
  color: var(--secondary-color);
  margin-bottom: 15px;
}

p {
  font-size: 1rem;
  margin-bottom: 15px;
}

pre {
  background: rgba(255, 255, 255, 0.05);
  padding: 15px;
  border-radius: 5px;
  overflow-x: auto;
}

code {
  color: #fbbf24;
  font-family: 'Courier New', monospace;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}

th, td {
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 10px;
  text-align: left;
}

th {
  background: rgba(251, 191, 36, 0.2);
  color: var(--secondary-color);
}

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

  section {
    grid-template-columns: 1fr;
  }

  pre {
    font-size: 0.9rem;
  }
}

footer {
  text-align: center;
  margin-top: 40px;
  padding: 20px;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
}