.main-nav {
    background: #fff;
    border-bottom: 1px solid #ddd;
    font-family: system-ui, sans-serif;
    position: relative;
    z-index: 1000;
  }

  .menu-toggle {
    display: none;
    font-size: 2rem;
    padding: 1rem;
    background: none;
    border: none;
    cursor: pointer;
  }

  /* === Desktop Menu === */
  .desktop-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .desktop-menu li {
    position: relative;
  }

  .desktop-menu a {
    display: block;
    padding: 10px;
    font-size: 15px !important;
    text-decoration: none;
    color: #222;
  }

  .desktop-menu .has-submenu:hover .submenu {
    display: block;
  }

  .submenu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: #fff;
    border: 1px solid #ddd;
    list-style: none;
    padding: 0;
    margin: 0;
    min-width: 220px;
    z-index: 999;
  }

  .submenu li a {
    padding: 0.75rem 1rem;
    display: block;
    white-space: nowrap;
    color: #444;
  }

  /* === Mobile Off-Canvas Menu === */
  .mobile-menu-wrapper {
  position: fixed;
  top: 0;
  left: -100%;
  width: 280px;
  height: 100vh; /* full viewport height */
  background: #fff;
  transition: left 0.3s ease;
  z-index: 9999;
  box-shadow: 2px 0 8px rgba(0, 0, 0, 0.1);
  overflow-y: auto; /* enables vertical scrolling */
  -webkit-overflow-scrolling: touch; /* smooth scroll on iOS */
}

  .mobile-menu-wrapper.active {
    left: 0;
  }
/* Thin, modern scrollbar for WebKit browsers (Chrome, Safari, Edge) */
.mobile-menu-wrapper::-webkit-scrollbar {
  width: 6px; /* makes scrollbar thinner */
}

.mobile-menu-wrapper::-webkit-scrollbar-track {
  background: transparent;
}

.mobile-menu-wrapper::-webkit-scrollbar-thumb {
  background-color: rgba(0, 0, 0, 0.2); /* subtle thumb */
  border-radius: 10px;
}

/* Optional: Add scrollbar support for Firefox */
.mobile-menu-wrapper {
  scrollbar-width: thin; /* Firefox */
  scrollbar-color: rgba(0, 0, 0, 0.2) transparent;
}

  .close-btn {
    font-size: 1.5rem;
    background: none;
    border: none;
    margin-bottom: 1rem;
    width: 100%;
    text-align: right;
  }
  
  .mobile-menu {
    list-style: none;
    padding: 1rem;
    margin: 0;
  }

  .mobile-menu li {
    margin-bottom: 1rem;
  }

  .mobile-menu a {
    display: block;
    text-decoration: none;
    padding: 0.75rem;
    color: #222;
  }

  /* === Visibility Controls === */
  .desktop-only { display: none; }
  .mobile-only { display: none; }

  @media (min-width: 769px) {
    .desktop-only { display: flex; }
  }

  @media (max-width: 768px) {
    .mobile-only { display: block; }
    .menu-toggle { display: block; }
  }