/* Reset & Basic Styling */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    color: #333;
    background-color: #f9f9f9;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
  }
  
  /* Container for consistent horizontal padding */
  .container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
  }
  
  /* Header */
  header {
    background-color: #1e1e1e;
    color: #fff;
    padding: 1rem 0;
  }
  
  header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  
  header h1 {
    font-size: 1.5rem;
  }
  
  header nav ul {
    display: flex;
    gap: 1rem;
    list-style: none;
  }
  
  header nav a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease-in-out;
  }
  
  header nav a:hover {
    color: #27ae60;
  }
  
  /* Main Content */
  main {
    flex: 1;
    padding: 2rem 0;
  }
  
  /* Card Grid */
  #card-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
  }
  
  /* Card Styles */
  .card {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
  }
  
  .card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
  }
  
  .card img {
    width: 100%;
    height: 120px;
    object-fit: contain;
    background-color: #fafafa;
  }
  
  .card-content {
    padding: 1rem;
  }
  
  .card-title {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
  }
  
  .card-metric {
    margin-bottom: 0.25rem;
    color: #555;
  }
  
  .card-link {
    margin-top: auto; /* pushes link to the bottom of the card */
    padding: 1rem;
    text-align: center;
    background-color: #27ae60;
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.2s ease;
  }
  
  .card-link:hover {
    background-color: #219150;
  }
  
  /* Footer */
  footer {
    background-color: #1e1e1e;
    color: #fff;
    text-align: center;
    padding: 1rem;
  }