/* ===================================
   Modern Navigation System
   =================================== */

.navbar-modern {
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
  padding: var(--spacing-md) 0;
  transition: all var(--transition-normal);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
}

.navbar-modern.scrolled {
  background: var(--nav-bg-scrolled);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--border-color);
}

.navbar-modern.hero-nav {
  background: rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar-modern.hero-nav.scrolled {
  background: var(--nav-bg-scrolled);
  border-bottom: 1px solid var(--border-color);
}

.navbar-modern.hero-nav .nav-link-modern {
  color: #FFFFFF;
}

.navbar-modern.hero-nav .nav-link-modern.active {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.2);
  font-weight: 600;
}

.navbar-modern.hero-nav .nav-link-modern.active::after {
  background: #FFFFFF;
  width: 90%;
  height: 3px;
}

.navbar-modern.hero-nav.scrolled .nav-link-modern {
  color: var(--nav-text);
}

.navbar-modern.hero-nav.scrolled .nav-link-modern.active {
  color: var(--primary-color);
  background: rgba(46, 43, 226, 0.15);
  font-weight: 600;
}

.navbar-modern.hero-nav.scrolled .nav-link-modern.active::after {
  background: var(--primary-color);
  width: 90%;
  height: 3px;
}

.navbar-brand-modern {
  display: flex;
  align-items: center;
  text-decoration: none;
  font-family: var(--font-secondary);
  font-weight: var(--fw-bold);
  font-size: var(--fs-xl);
  color: var(--gray-900);
  transition: all var(--transition-fast);
}

.navbar-brand-modern:hover {
  color: var(--primary-color);
  transform: scale(1.05);
}

.navbar-brand-modern img {
  height: 40px;
  width: auto;
  transition: all var(--transition-normal);
}

.navbar-nav-modern {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link-modern {
  font-family: var(--font-primary);
  font-weight: var(--fw-medium);
  font-size: var(--fs-base);
  color: var(--nav-text);
  text-decoration: none;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link-modern:hover {
  color: var(--nav-text-hover);
  background: rgba(46, 43, 226, 0.1);
}

.nav-link-modern.active {
  color: var(--primary-color);
  background: rgba(46, 43, 226, 0.15);
  font-weight: 600;
}

.nav-link-modern::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary-gradient);
  transition: all var(--transition-fast);
  transform: translateX(-50%);
}

.nav-link-modern:hover::after {
  width: 60%;
}

.nav-link-modern.active::after {
  width: 90%;
  background: var(--primary-color);
  height: 3px;
}

.navbar-cta-modern {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.navbar-toggler-modern {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
}

.navbar-toggler-modern span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gray-700);
  border-radius: 1px;
  transition: all var(--transition-fast);
  transform-origin: center;
}

.navbar-toggler-modern span:nth-child(1) {
  margin-bottom: 4px;
}

.navbar-toggler-modern span:nth-child(2) {
  margin-bottom: 4px;
}

.navbar-toggler-modern.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.navbar-toggler-modern.active span:nth-child(2) {
  opacity: 0;
}

.navbar-toggler-modern.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

.navbar-collapse-modern {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.mobile-menu-modern {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transform: translateX(-100%);
  transition: transform var(--transition-normal);
  z-index: 999;
}

.mobile-menu-modern.active {
  transform: translateX(0);
}

.mobile-nav-modern {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xl);
  list-style: none;
  margin: 0;
  padding: 0;
}

.mobile-nav-modern .nav-link-modern {
  font-size: var(--fs-lg);
  padding: var(--spacing-md) var(--spacing-xl);
}

.mobile-nav-modern .nav-link-modern.active {
  color: var(--primary-color);
  background: rgba(46, 43, 226, 0.15);
  font-weight: 600;
  border-radius: var(--radius-lg);
}

.mobile-cta-modern {
  margin-top: var(--spacing-2xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

/* ===================================
   Responsive Navigation
   =================================== */

@media (max-width: 992px) {
  .navbar-nav-modern,
  .navbar-cta-modern {
    display: none;
  }

  .navbar-toggler-modern {
    display: flex;
  }

  .navbar-collapse-modern {
    justify-content: space-between;
  }
}

@media (min-width: 993px) {
  .mobile-menu-modern {
    display: none;
  }
}

/* ===================================
   Navigation Animations
   =================================== */

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.navbar-modern {
  animation: slideDown 0.5s ease-out;
}

/* ===================================
   Dropdown Menus (if needed)
   =================================== */

.dropdown-modern {
  position: relative;
}

.dropdown-menu-modern {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--spacing-sm);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
  z-index: 1000;
}

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

.dropdown-item-modern {
  display: block;
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--gray-700);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.dropdown-item-modern:hover {
  background: var(--gray-50);
  color: var(--primary-color);
}

/* ===================================
   Scroll Indicator
   =================================== */

.scroll-indicator {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: var(--primary-gradient);
  z-index: 1001;
  transition: width 0.1s ease-out;
}

/* ===================================
   Logo Variations
   =================================== */

.logo-light {
  filter: brightness(0) invert(1);
}

.logo-dark {
  filter: none;
}

/* ===================================
   Navigation States
   =================================== */

.nav-link-modern.current-page {
  color: var(--primary-color);
  background: rgba(46, 43, 226, 0.1);
}

.nav-link-modern.current-page::after {
  width: 80%;
}