/* ================= Body ================= */ 
/* Sets the default font, background colour, and top padding 
   to prevent content from being hidden behind a fixed navbar */
   body {
    font-family: 'Poppins', sans-serif;
    background-color: #f9f9f9;
    padding-top: 80px;
  } 
  
  /* ================= Headings ================= */ 
  /* Applies a separate serif font to all headings for hierarchy and readability */
  h1, h2, h3, h4, h5, h6 {
    font-family: 'Merriweather', serif;
  }  

  /* ================= FULL HEIGHT LAYOUT ================= */
html, body {
    height: 100%;          /* Make body fill the viewport height */
    display: flex;         /* Use flex layout */
    flex-direction: column; /* Stack header/main/footer vertically */
}

main {
    flex: 1;               /* Main content expands to fill remaining space */
}

  
  /* ================= Navigation ================= */ 
  /* Changes nav-link colour on hover to provide visual feedback */
  .nav-link:hover {
    color: #ffc107 !important;
  } 

  .accordion-button:focus {
    box-shadow: none;
} 

/* ================= CARDS ================= */
.card {
    transition: transform 0.3s;
}
.card:hover {
    transform: scale(1.05);
} 

/* ================= BUTTONS ================= */
.btn-dark {
    background-color: #222;
    border: none;
}
.btn-dark:hover {
    background-color: #ffcc00;
    color: #222;
} 

/* ================= MARK AS REVISED ================= */
.marked {
    background-color: #28a745 !important;
    color: white !important;
} 

/* ================= FORMS ================= */
input, select, textarea {
    border-radius: 6px;
}





  
  /* ================= Footer ================= */  
  /* Base footer styling: dark background and light text */
  footer {
    background-color: #1a1a1a;
    color: #ddd;
  } 
  
  /* Footer layout container to align multiple columns responsively */
  footer .footer-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    padding: 30px 20px;
    max-width: 1200px;
    margin: auto;
  } 
  
  /* Individual footer column styling to allow flexible content distribution */
  footer .footer-column {
    flex: 1 1 200px;
    margin: 10px;
  } 
  
  /* Footer heading styling for better visual hierarchy */
  footer h5 {
    font-weight: 600;
    margin-bottom: 15px;
  }  
  
  /* Footer text and links sizing for readability */
  footer p, footer a {
    font-size: 0.9rem;
    line-height: 1.5;
  }  
  
  /* Footer link base colour and text decoration */
  footer a {
    color: #ccc;
    text-decoration: none;
  } 
  
  /* Footer link hover effect for better user feedback */
  footer a:hover {
    color: #fff;
    text-decoration: underline;
  }  
  
  /* ================= Social Icons ================= */ 
  /* Styles for social media icons in footer */
  .social-icons a {
    color: #ccc;
    margin-right: 15px;
    font-size: 1.3rem;
    transition: color 0.3s;
  }
  
  /* Social icons hover effect to improve interactivity */
  .social-icons a:hover {
    color: #fff;
  }