/* General Reset */
body {
  margin: 0;
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

/* Header */
header {
  background: #4CAF50;
  color: #fff;
  padding: 2rem 1rem;
  text-align: center;
}

header h1 {
  margin: 0;
  font-size: 2.5rem;
}

/* Navigation */
nav {
  background: #333;
  color: #fff;
}

.nav-links {
  display: flex;
  justify-content: center;
  list-style: none;
  padding: 0;
}

.nav-links li {
  margin: 0 15px;
}

.nav-links a {
  color: #fff;
  text-decoration: none;
  font-weight: bold;
}

.nav-links a:hover {
  text-decoration: underline;
}

/* Main Content */
main {
  padding: 1rem;
}

section {
  margin-bottom: 2rem;
}

.card-container {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.card {
  background: #f4f4f4;
  border: 1px solid #ddd;
  padding: 1rem;
  text-align: center;
  width: 300px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.card h3 {
  margin: 0.5rem 0;
}

.card p {
  color: #555;
}

/* Buttons */
.btn {
  background: #4CAF50;
  color: #fff;
  border: none;
  padding: 0.5rem 1rem;
  cursor: pointer;
  font-size: 1rem;
  margin-top: 1rem;
}

.btn:hover {
  background: #45a049;
}

/* Footer */
footer {
  background: #333;
  color: #fff;
  text-align: center;
  padding: 1rem 0;
}

/* Media Query for Mobile Devices */
@media (max-width: 768px) {
  .nav-links {
    flex-direction: column;
    align-items: center;
  }

  .nav-links li {
    margin: 10px 0;
  }

  .card-container {
    flex-direction: column;
    align-items: center;
  }

  .card {
    width: 90%;
  }

  header h1 {
    font-size: 2rem;
  }
  
 
}