/* Global Styles */
body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  color: #333;
  background-color: #f9f9f9;
}

h1, h2 {
  color: #222;
}

a {
  text-decoration: none;
  color: #28a745;
}

.header {
  background: linear-gradient(to right, #145374, #0d3b66);
  color: white;
  text-align: center;
  padding: 50px 20px;
}

.header h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
}

.header p {
  font-size: 1.2rem;
}

/* Topics Preview Section */
.topics-preview {
  padding: 50px 20px;
  text-align: center;
  background-color: #fff;
}

.card-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

.topic-card {
  background: #f4f4f9;
  border: 1px solid #ddd;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  padding: 20px;
  width: 300px;
  text-align: left;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.topic-card h2 {
  font-size: 1.5rem;
  margin-bottom: 10px;
}

.topic-card p {
  font-size: 1rem;
  color: #555;
}

.read-more {
  margin-top: 15px;
  display: inline-block;
  font-weight: bold;
  font-size: 1rem;
  color: #28a745;
  border: 1px solid #28a745;
  padding: 5px 10px;
  border-radius: 5px;
  transition: background-color 0.3s, color 0.3s;
}

.read-more:hover {
  background-color: #28a745;
  color: white;
}

.topic-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

/* Footer */
.footer {
  background-color: #222;
  color: white;
  text-align: center;
  padding: 20px;
}

.footer a {
  color: #ffc107;
}