body {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      background: #f6f8fa;
      color: #333;
      margin: 0;
      padding: 0;
      background: #003354;
    }
    
.topbar {
  position: sticky;
  top: 0;
  background: #0cbfde;
  z-index: 1000;
  padding: 10px 15px;
}

.topbar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: auto;
}

.logo {
  color: black;
  font-size: 1.4em;
  font-weight: bold;
}

.nav-links {
  display: flex;
  gap: 20px;
}

.nav-links a {
  color: black;
  text-decoration: none;
  font-weight: 500;
}

/* Hamburger */
.hamburger {
  display: none;
  font-size: 24px;
  color: white;
  cursor: pointer;
}
    
    #main {
      max-width: 1200px;
      margin: 0px auto;
      background: black;
      border-radius: 15px;
      padding: 35px 30px;
      box-shadow: 0 8px 30px rgba(0, 51, 84, 0.4);
      color: #e0f7fa;
    }

    #main h1, #main h2 {
      text-align: center;
      margin-bottom: 30px;
      font-weight: 700;
      text-shadow: 0 2px 6px rgba(0,0,0,0.5);
    }

    #main h1 {
      font-size: 2.6rem;
    }

    #main h2 {
      font-size: 1.9rem;
    }

    table {
      max-width: 100
      width: 800px;
      margin: 0px auto;
      text-align: center;
      vertical-align: center;
      border-collapse: separate;
      border-spacing: 0 12px;
      font-size: 14px;
      color: #d1e8f2;
    }

    th, td {
      padding: 10px 10px;
      vertical-align: top;
    }

    th {
      width: 35%;
      background: rgba(255, 255, 255, 0.15);
      border-top-left-radius: 10px;
      border-bottom-left-radius: 10px;
      font-weight: 600;
      color: #fff;
      border: 2px solid cyan;
    }

    td {
      background: #003354;
      border-top-right-radius: 10px;
      border-bottom-right-radius: 10px;
      color: #fff;
      border: 2px solid cyan;
    }

    a {
      color: #cceeff;
      text-decoration: underline;
      transition: color 0.3s ease;
    }

    a:hover {
      color: #fff;
    }

    i.fas {
      margin-right: 8px;
      filter: drop-shadow(0 1px 1px rgba(0,0,0,0.4));
    }

    @media (max-width: 600px) {
      
      th, td {
        display: block;
        width: 100%;
        padding: 5px;
        border-radius: 5px !important;
      }

      th {
        border-radius: 10px 10px 0 0 !important;
        background: rgba(255, 255, 255, 0.15);
        margin-bottom: 6px;
      }

      td {
        border-radius: 0 0 10px 10px !important;
        margin-bottom: 18px;
      }
    }
    
    .intro-article {
      background: #003354;
      color: #ffffff;
      padding: 2rem;
      border-radius: 1rem;
      margin-top: 2rem;
      box-shadow: 0 0 10px rgba(0, 0, 0, 0.15);
    }

    .intro-article h2 {
      font-size: 1.8rem;
      margin-bottom: 1rem;
      color: #ffffff;
    }

    .intro-article p {
      font-size: 1rem;
      line-height: 1.7;
      margin-bottom: 1rem;
    }
    
    .site-footer {
      background: #003354;
      color: #fff;
      margin-top: 2rem;
      border-radius: 1rem;
      padding: 2rem;
      font-family: Arial, sans-serif;
    }

    .footer-content {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 2rem;
      max-width: 1200px;
      margin: 0 auto;
    }

    .footer-section {
      flex: 1 1 250px;
    }

    .footer-section h3 {
      font-size: 1.2rem;
      margin-bottom: 1rem;
      border-bottom: 2px solid rgba(255, 255, 255, 0.2);
      padding-bottom: 0.5rem;
    }

    .footer-section p, 
    .footer-section li {
      font-size: 0.95rem;
      margin-bottom: 0.5rem;
    }

    .footer-section ul {
      list-style: none;
      padding: 0;
    }

    .footer-section a {
      color: #fff;
      text-decoration: none;
      transition: color 0.3s;
    }

    .footer-section a:hover {
      color: #ffdd57;
    }

    .footer-bottom {
      text-align: center;
      padding-top: 1rem;
      border-top: 1px solid rgba(255, 255, 255, 0.2);
      font-size: 0.9rem;
    }
    @media (max-width: 768px) {
    .nav-links {
      display: none;
      flex-direction: column;
      background-color: grey;
      position: absolute;
      top: 60px;
      right: 15px;
      width: 180px;
      padding: 10px;
      border-radius: 8px;
    }

    .nav-links.active {
      display: flex;
    }

    .hamburger {
      display: block;
    }
  }