/* ========================================
   Navigation Component Stylesheet
   ======================================== */

/* Main Navigation */
.main-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 249, 0.95) 100%);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 2px 20px rgba(27, 67, 50, 0.1), 0 1px 0 rgba(255, 255, 255, 0.8) inset;
  z-index: 1000;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border-bottom: 1px solid rgba(183, 228, 199, 0.2);
}

/* Navigation Scroll State */
.main-nav.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 4px 20px rgba(27, 67, 50, 0.15);
}

/* Navigation Container */
.main-nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  transition: padding 0.3s ease;
}

.main-nav.scrolled .container {
  padding: 0.75rem 2rem;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  transition: transform 0.3s ease;
}

.nav-logo:hover {
  transform: scale(1.05) translateY(-2px);
  filter: drop-shadow(0 4px 8px rgba(27, 67, 50, 0.2));
}

.logo-icon {
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-logo:hover .logo-icon {
  transform: rotate(5deg) scale(1.1);
  filter: brightness(1.1);
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--primary-dark);
}

/* Navigation Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-link {
  position: relative;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--dark-gray);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 0.75rem 1.25rem;
  border-radius: 8px;
  margin: 0 0.25rem;
}

.nav-link:hover {
  color: var(--primary-dark);
  background: rgba(27, 67, 50, 0.08);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(27, 67, 50, 0.15);
}

/* Active Link Indicator */
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-medium);
  transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link.active {
  color: var(--primary-dark);
}

/* Mobile Navigation Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001;
}

.hamburger-line {
  width: 25px;
  height: 2px;
  background: var(--primary-dark);
  margin: 3px 0;
  transition: all 0.3s ease;
  transform-origin: center;
}

/* Hamburger Animation */
.nav-toggle.active .hamburger-line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle.active .hamburger-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

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

/* Mobile Menu Styles */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed !important;
    top: 0 !important;
    right: -100% !important;
    width: 80% !important;
    max-width: 400px !important;
    height: 100vh !important;
    background: var(--white) !important;
    flex-direction: column !important;
    justify-content: flex-start !important;
    align-items: flex-start !important;
    padding: 80px 2rem 2rem !important;
    gap: 1.5rem;
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
    overflow-y: auto;
    transform: none !important;
    opacity: 1 !important;
    visibility: visible !important;
  }

  .nav-menu.active {
    right: 0 !important;
  }
  
  .nav-link {
    font-size: 1.1rem;
    width: 100%;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(27, 67, 50, 0.1);
    color: var(--dark-gray) !important;
    opacity: 1 !important;
    transform: none !important;
  }

  .nav-link::after {
    display: none;
  }

  .nav-link.active {
    color: var(--primary-medium) !important;
    font-weight: 600;
  }
}

/* Navigation Overlay */
.nav-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.nav-overlay.active {
  display: block;
  opacity: 1;
}

/* Dropdown Menu (if needed) */
.nav-dropdown {
  position: relative;
}

.dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.dropdown-toggle i {
  font-size: 0.75rem;
  transition: transform 0.3s ease;
}

.nav-dropdown:hover .dropdown-toggle i {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: var(--white);
  box-shadow: 0 5px 20px rgba(27, 67, 50, 0.15);
  border-radius: 8px;
  padding: 0.5rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
}

.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: block;
  padding: 0.75rem 1.5rem;
  color: var(--dark-gray);
  transition: all 0.3s ease;
}

.dropdown-item:hover {
  background: var(--off-white);
  color: var(--primary-dark);
  padding-left: 1.75rem;
}

/* Breadcrumb Navigation */
.breadcrumb-nav {
  padding: 1rem 0;
  background: var(--off-white);
  margin-top: 80px;
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
}

.breadcrumb-item a {
  color: var(--gray);
  transition: color 0.3s ease;
}

.breadcrumb-item a:hover {
  color: var(--primary-medium);
}

.breadcrumb-item:not(:last-child)::after {
  content: '/';
  color: var(--gray);
  margin-left: 0.5rem;
}

.breadcrumb-item:last-child {
  color: var(--primary-dark);
  font-weight: 500;
}

/* Skip to Content Link */
.skip-to-content {
  position: absolute;
  left: -9999px;
  top: 10px;
  z-index: 9999;
  padding: 0.5rem 1rem;
  background: var(--primary-dark);
  color: var(--white);
  text-decoration: none;
  border-radius: 4px;
}

.skip-to-content:focus {
  left: 10px;
}

/* Navigation Progress Bar */
.nav-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: var(--primary-medium);
  z-index: 1001;
  transition: width 0.1s linear;
}

/* Sticky Navigation Animation */
@keyframes slideDown {
  from {
    transform: translateY(-100%);
  }
  to {
    transform: translateY(0);
  }
}

.main-nav.sticky-show {
  animation: slideDown 0.3s ease-out;
}

/* Navigation Dark Mode (for pages with dark headers) */
.main-nav.dark-mode {
  background: rgba(27, 67, 50, 0.95);
}

.main-nav.dark-mode .logo-text,
.main-nav.dark-mode .nav-link {
  color: var(--white);
}

.main-nav.dark-mode .nav-link:hover {
  color: var(--primary-light);
}

.main-nav.dark-mode .hamburger-line {
  background: var(--white);
}

.main-nav.dark-mode.scrolled {
  background: rgba(255, 255, 255, 0.98);
}

.main-nav.dark-mode.scrolled .logo-text,
.main-nav.dark-mode.scrolled .nav-link {
  color: var(--dark-gray);
}

.main-nav.dark-mode.scrolled .nav-link:hover {
  color: var(--primary-dark);
}

.main-nav.dark-mode.scrolled .hamburger-line {
  background: var(--primary-dark);
}