:root {
    --primary-color: #0A2239;
    --secondary-color: #FFD700;
    --text-color: #333;
    --light-text-color: #f0f0f0;
    --bg-dark: #1a1a1a;
  }

  * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }

  body {
    font-family: 'Roboto', 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
  }

  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
  }

  a {
    text-decoration: none;
    color: inherit;
  }

  ul {
    list-style: none;
  }

  /* Header Styles */
  .site-header {
    background-color: var(--primary-color);
    color: var(--light-text-color);
    padding: 1rem 0;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
  }

  .site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .site-header .logo {
    font-family: 'Montserrat', sans-serif;
    font-size: 2rem;
    font-weight: bold;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s ease;
  }

  .site-header .logo:hover {
    color: #fff;
  }

  .main-nav .nav-list {
    display: flex;
    gap: 1.5rem;
  }

  .main-nav .nav-list a {
    color: var(--light-text-color);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
    transition: color 0.3s ease;
  }

  .main-nav .nav-list a:hover,
  .main-nav .nav-list a.active {
    color: var(--secondary-color);
  }

  .main-nav .nav-list a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background-color: var(--secondary-color);
    transition: width 0.3s ease;
  }

  .main-nav .nav-list a:hover::after,
  .main-nav .nav-list a.active::after {
    width: 100%;
  }

  .hamburger-menu {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1000;
  }

  .hamburger-menu .bar {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--light-text-color);
    margin: 5px 0;
    transition: 0.4s;
  }

  /* Footer Styles */
  .site-footer {
    background-color: var(--primary-color);
    color: var(--light-text-color);
    padding: 3rem 0 1rem;
    margin-top: 2rem;
  }

  .site-footer .footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
  }

  .site-footer .footer-col h3 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
  }

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

  .site-footer .footer-col a {
    color: var(--light-text-color);
    transition: color 0.3s ease;
  }

  .site-footer .footer-col a:hover {
    color: var(--secondary-color);
  }

  .site-footer .footer-logo {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
    display: inline-block;
  }

  .site-footer .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1rem;
    text-align: center;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
  }

  .site-footer .copyright {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
  }

  #backToTop {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    font-size: 1.5rem;
    cursor: pointer;
    display: none;
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 999;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    transition: background-color 0.3s ease;
  }

  #backToTop:hover {
    background-color: #fff;
  }

  /* Responsive Styles */
  @media (max-width: 768px) {
    .site-header .container {
      flex-wrap: wrap;
    }

    .site-header .logo {
      flex-grow: 1;
    }

    .hamburger-menu {
      display: block;
    }

    .main-nav {
      width: 100%;
      order: 2;
      position: relative;
    }

    .main-nav .nav-list {
      display: none;
      flex-direction: column;
      background-color: var(--primary-color);
      position: absolute;
      top: 100%;
      left: 0;
      width: 100%;
      padding: 1rem 0;
      box-shadow: 0 5px 10px rgba(0, 0, 0, 0.3);
      z-index: 990;
      animation: fadeIn 0.3s ease-out;
    }

    .main-nav.active .nav-list {
      display: flex;
    }

    .main-nav .nav-list li {
      text-align: center;
      margin: 0.5rem 0;
    }

    .main-nav .nav-list a {
      padding: 0.8rem 1rem;
      display: block;
    }

    .main-nav .nav-list a::after {
      display: none;
    }

    .hamburger-menu.active .bar:nth-child(1) {
      transform: translateY(8px) rotate(45deg);
    }

    .hamburger-menu.active .bar:nth-child(2) {
      opacity: 0;
    }

    .hamburger-menu.active .bar:nth-child(3) {
      transform: translateY(-8px) rotate(-45deg);
    }

    .site-footer .footer-grid {
      grid-template-columns: 1fr;
      text-align: center;
    }

    .site-footer .footer-bottom {
      justify-content: center;
    }

    #backToTop {
      right: 10px;
      bottom: 10px;
    }
  }

  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
  }