/* Mobile Navigation Toggle Styling */
/* Replaces jQuery Sidr plugin with vanilla CSS */

/* Mobile Menu Toggle Button */
.mobile-menu-icon {
  display: none;
  background: none;
  border: none;
  font-size: 28px;
  cursor: pointer;
  padding: 10px 15px;
  color: #333;
  transition: color 0.3s ease;
}

.mobile-menu-icon:hover,
.mobile-menu-icon:focus {
  color: #007cba;
  outline: 2px solid #007cba;
  outline-offset: 2px;
}

.mobile-menu-icon[aria-expanded="true"] {
  color: #007cba;
}

/* Mobile Menu Styles */
.nav {
  transition: all 0.3s ease;
}

/* Mobile-first: Hide menu on small screens */
@media (max-width: 768px) {
  .mobile-menu-icon {
    display: block;
  }

  .nav {
    position: fixed;
    top: 0;
    left: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: white;
    box-shadow: 2px 0 8px rgba(0, 0, 0, 0.15);
    overflow-y: auto;
    z-index: 1000;
  }

  .nav.nav-open {
    left: 0;
  }

  /* Overlay when menu is open */
  body.sidr-body-open {
    overflow: hidden;
  }

  body.sidr-body-open::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
  }

  /* Menu links styling */
  .nav ul {
    list-style: none;
    padding: 20px 0;
    margin: 0;
  }

  .nav li {
    margin: 0;
  }

  .nav a {
    display: block;
    padding: 15px 20px;
    color: #333;
    text-decoration: none;
    border-bottom: 1px solid #eee;
    transition: background-color 0.2s ease, color 0.2s ease;
  }

  .nav a:hover,
  .nav a:focus {
    background-color: #f5f5f5;
    color: #007cba;
    outline: none;
  }

  .nav li.active a,
  .nav li.active-branch a {
    color: #007cba;
    font-weight: 600;
    background-color: #f9f9f9;
  }
}

/* Desktop: Show menu inline */
@media (min-width: 769px) {
  .mobile-menu-icon {
    display: none;
  }

  .nav {
    position: static;
    width: auto;
    height: auto;
    background: transparent;
    box-shadow: none;
    overflow: visible;
  }

  .nav ul {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
  }

  .nav li {
    margin: 0;
  }

  .nav a {
    display: block;
    padding: 10px 20px;
    color: #333;
    text-decoration: none;
    transition: color 0.2s ease, border-bottom 0.2s ease;
    border-bottom: 2px solid transparent;
  }

  .nav a:hover,
  .nav a:focus {
    color: #007cba;
    border-bottom-color: #007cba;
    outline: none;
  }

  .nav li.active a,
  .nav li.active-branch a {
    color: #007cba;
    font-weight: 600;
    border-bottom-color: #007cba;
  }
}

/* Accessibility: Keyboard focus visible */
.nav a:focus-visible {
  outline: 2px solid #007cba;
  outline-offset: -2px;
}

/* Smooth scroll support */
html {
  scroll-behavior: smooth;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .mobile-menu-icon,
  .nav,
  .nav a {
    transition: none !important;
  }
}