/* ==============================================
   NAVIGATION COMPONENT - Clean & Modern Version
   ============================================== */

/* Base Navigation Container */
.main-nav {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 1000;
}

/* Navigation Menu List */
.main-nav__menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

/* Navigation Items */
.main-nav__item {
  position: relative;
  margin: 0;
}

/* Navigation Links */
.main-nav__link {
  display: block;
  color: var(--color-text-inverse);
  padding: 15px 20px;
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
  transition: background-color 0.3s ease;
  border-radius: 4px;
}

.main-nav__link:hover {
  background-color: rgba(255, 255, 255, 0.15);
}

/* Active Link Highlighting */
.main-nav__link:focus {
  outline: 2px solid rgba(255, 255, 255, 0.8);
  outline-offset: 2px;
}

/* Dropdown Container */
.main-nav__dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: white;
  min-width: 250px;
  list-style: none;
  margin: 0;
  padding: 0;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  border-radius: 0 0 8px 8px;
  z-index: 1001;
}

/* Show Dropdown on Hover (Desktop) */
.main-nav__item--dropdown:hover .main-nav__dropdown {
  display: block;
}

/* Dropdown Links */
.main-nav__dropdown-link {
  display: block;
  color: var(--color-text-primary);
  padding: 12px 20px;
  text-decoration: none;
  transition: background-color 0.2s ease;
  border-bottom: 1px solid #e0e0e0;
}

.main-nav__dropdown-link:hover {
  background-color: var(--color-primary);
  color: white;
}

.main-nav__dropdown li:last-child .main-nav__dropdown-link {
  border-bottom: none;
  border-radius: 0 0 8px 8px;
}

/* ==============================================
   MOBILE NAVIGATION STYLES
   ============================================== */

/* Mobile Toggle Button */
.main-nav__mobile-toggle {
  display: none; /* Hidden by default on desktop */
  position: fixed;
  top: 15px;
  right: 15px;
  z-index: 300;
  background: var(--color-primary);
  border: 2px solid white;
  border-radius: 8px;
  width: 50px;
  height: 50px;
  padding: 10px;
  cursor: pointer;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
  transition: all 0.3s ease;
}

.main-nav__mobile-toggle:hover {
  background: var(--color-primary-dark);
  transform: scale(1.05);
}

/* Hamburger Lines */
.main-nav__hamburger {
  display: block;
  width: 25px;
  height: 3px;
  background: white;
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* Hamburger Animation when Menu is Open */
.main-nav__mobile-toggle[aria-expanded="true"] .main-nav__hamburger:nth-child(1) {
  transform: rotate(45deg) translateY(8px);
}

.main-nav__mobile-toggle[aria-expanded="true"] .main-nav__hamburger:nth-child(2) {
  opacity: 0;
}

.main-nav__mobile-toggle[aria-expanded="true"] .main-nav__hamburger:nth-child(3) {
  transform: rotate(-45deg) translateY(-8px);
}

/* ==============================================
   MOBILE RESPONSIVE STYLES (Tablets & Phones)
   ============================================== */

@media (max-width: 768px) {
  /* Show Mobile Toggle */
  .main-nav__mobile-toggle {
    display: flex;
  }

  /* Mobile Menu Styles */
  .main-nav__menu {
    position: fixed;
    top: 0;
    left: -100%;
    width: 280px;
    height: 100vh;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: 80px 0 20px;
    gap: 0;
    overflow-y: auto;
    transition: left 0.3s ease;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.3);
    z-index: 250;
  }

  /* Show Mobile Menu */
  .main-nav__menu.is-open {
    left: 0;
  }

  /* Mobile Menu Items */
  .main-nav__item {
    width: 100%;
  }

  /* Mobile Menu Links */
  .main-nav__link {
    padding: 15px 20px;
    border-radius: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  /* Mobile Dropdown */
  .main-nav__dropdown {
    position: static;
    display: none;
    width: 100%;
    box-shadow: none;
    border-radius: 0;
    background: rgba(0, 0, 0, 0.1);
  }

  /* Show Mobile Dropdown */
  .main-nav__item--dropdown.is-open .main-nav__dropdown {
    display: block;
  }

  /* Mobile Dropdown Links */
  .main-nav__dropdown-link {
    padding: 12px 20px 12px 40px;
    color: rgba(255, 255, 255, 0.9);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

  .main-nav__dropdown-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
  }

  .main-nav__dropdown li:last-child .main-nav__dropdown-link {
    border-radius: 0;
  }

  /* Mobile Menu Overlay */
  .main-nav__overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 200;
  }

  .main-nav__overlay.is-visible {
    display: block;
  }
}

/* ==============================================
   DESKTOP STYLES - Ensure Mobile Toggle is Hidden
   ============================================== */

@media (min-width: 769px) {
  .main-nav__mobile-toggle {
    display: none !important;
  }
}

/* ==============================================
   ACCESSIBILITY & PRINT STYLES
   ============================================== */

/* Focus Visible for Keyboard Navigation */
.main-nav__link:focus-visible,
.main-nav__dropdown-link:focus-visible {
  outline: 3px solid rgba(255, 255, 255, 0.9);
  outline-offset: 2px;
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  .main-nav__link,
  .main-nav__dropdown-link,
  .main-nav__mobile-toggle,
  .main-nav__hamburger,
  .main-nav__menu {
    transition: none;
  }
}

/* Print Styles */
@media print {
  .main-nav__mobile-toggle {
    display: none;
  }

  .main-nav__menu {
    position: static;
    flex-direction: row;
    background: white;
    color: black;
  }

  .main-nav__dropdown {
    display: none !important;
  }
}