/* Reset simple */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  html {
    scroll-behavior: smooth;
  }
  
  body {
    font-family: 'Arial', sans-serif;
    color: #333;
    background: #f9fafb;
    line-height: 1.7;
  }
  
  /* Containers */
  .container {
    max-width: 1100px;
    margin: auto;
    padding: 0 20px;
  }
  
  .header {
    background: #1e3a8a;
    padding: 20px 0;
  }
  
  .header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: white;
  }
  
  .nav a {
    color: white;
    margin-left: 20px;
    font-size: 16px;
    text-decoration: none;
  }
  
  .nav a:hover {
    text-decoration: underline;
  }
  
  .section {
    padding: 80px 0;
  }
  
  h2 {
    font-size: 2.5rem;
    margin-bottom: 40px;
    text-align: center;
    color: #1e3a8a;
  }
  
  h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
  }
  
  /* Grid for cards */
  .grid {
    display: grid;
    gap: 30px;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    margin-top: 40px;
  }
  
  .card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  }
  
  .card:hover {
    transform: translateY(-5px);
    transition: all 0.3s ease;
  }
  
  .info {
    text-align: center;
    margin-top: 40px;
    color: #666;
  }
  
  /* Subsections */
  .subsection {
    margin-bottom: 40px;
  }
  
  /* Quiz Section */
  .quiz-section {
    background: #f0f4f8;
  }
  
  .quiz-container {
    text-align: center;
  }
  
  #quiz-box {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    max-width: 600px;
    margin: auto;
  }
  
  .quiz-question {
    font-size: 1.5rem;
    margin-bottom: 30px;
  }
  
  .quiz-options button {
    display: block;
    width: 100%;
    margin-bottom: 15px;
    padding: 12px;
    background: #1e3a8a;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
  }
  
  .quiz-options button:hover {
    background: #2563eb;
  }
  
  .btn {
    background: #1e3a8a;
    color: white;
    padding: 10px 30px;
    border: none;
    border-radius: 5px;
    margin-top: 20px;
    cursor: pointer;
  }
  
  .btn:hover {
    background: #16a34a;
  }
  
  .hidden {
    display: none;
  }
  
  .quiz-result {
    font-size: 2rem;
    color: #16a34a;
    margin-top: 20px;
  }
  
  /* Sources */
  .sources-list {
    list-style: disc inside;
    margin-top: 20px;
  }
  
  .sources-list a {
    color: #1e3a8a;
    text-decoration: underline;
  }
  
  .footer {
    text-align: center;
    background: #1e3a8a;
    color: white;
    padding: 20px;
    font-size: 14px;
  }

.btn2 {
  color: #1e3a8a;
 }