/* Modern Navbar Styles */
:root {
  --navbar-blue: #2563eb;
  --navbar-blue-dark: #1e40af;
  --navbar-height: 80px;
  --navbar-height-mobile: 70px;
  --navbar-transition: all 0.3s ease;
}

/* Navbar Base Styles */
.navbar-modern {
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  padding: 0;
  height: var(--navbar-height);
  transition: var(--navbar-transition);
}

.navbar-spacer {
  height: var(--navbar-height);
}

/* Logo Styles */
.navbar-brand {
  padding: 0;
  display: flex;
  align-items: center;
}

.logo-img {
  height: 60px;
  width: auto;
  transition: var(--navbar-transition);
  border-radius: 50%;
}

.logo-text {
  font-weight: 800;
  font-size: 1.6rem;
  line-height: 1;
  letter-spacing: -0.02em;
  white-space: nowrap;
  transition: var(--navbar-transition);
}

.logo-text-blue {
  color: #1e40af; /* Deep blue */
  font-weight: 900;
}

.logo-text-yellow {
  color: #facc15; /* Deep yellow */
  font-weight: 700;
}

/* Navigation Links */
/* Fill gap to ensure smooth dropdown access */
.navbar-modern .nav-item.dropdown::after {
  content: '';
  display: block;
  position: absolute;
  height: 10px;
  bottom: -10px;
  left: 0;
  right: 0;
  z-index: 1001;
  pointer-events: none;
}

.navbar-modern .navbar-nav .nav-item {
  position: relative;
  margin: 0 2px;
}

.navbar-modern .navbar-nav .nav-link {
  color: #1e293b;
  font-weight: 500;
  padding: 28px 16px;
  transition: var(--navbar-transition);
  position: relative;
}

.navbar-modern .navbar-nav .nav-link span {
  position: relative;
  z-index: 2;
}

.navbar-modern .navbar-nav .nav-link:hover {
  color: var(--navbar-blue);
}

/* Hover Underline Effect */
.navbar-modern .navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 22px;
  left: 16px;
  right: 16px;
  height: 3px;
  background: var(--navbar-blue-dark);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}

.navbar-modern .navbar-nav .nav-link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Active Link Indicator */
.navbar-modern .navbar-nav .nav-link.active {
  color: var(--navbar-blue);
  font-weight: 600;
}

.navbar-modern .navbar-nav .nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 22px;
  left: 16px;
  right: 16px;
  height: 3px;
  background-color: var(--navbar-blue);
  border-radius: 2px;
  transform: scaleX(1) !important;
}

/* Dropdown Styles */
.navbar-modern .dropdown-menu {
  border: none;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  padding: 12px;
  margin-top: 0;
  min-width: 200px;
}

/* Dropdown Menu */
.modern-dropdown-menu {
  min-width: 320px !important;
  padding: 0 !important;
  overflow: hidden;
  border-top: 3px solid var(--navbar-blue-dark) !important;
  animation: fadeInUp 0.25s ease;
  margin-top: -1px !important;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modern-dropdown-header {
  background-color: #f8f9fa;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.modern-dropdown-header h6 {
  margin: 0 0 4px;
  font-weight: 600;
  color: var(--navbar-blue-dark);
  font-size: 16px;
}

.modern-dropdown-header p {
  margin: 0;
  font-size: 13px;
  color: #64748b;
}

.modern-dropdown-items {
  padding: 12px;
}

.modern-dropdown-item {
  display: flex;
  align-items: center;
  padding: 12px 14px;
  border-radius: 8px;
  color: #334155;
  text-decoration: none;
  transition: all 0.2s ease;
  margin-bottom: 6px;
}

.modern-dropdown-item:last-child {
  margin-bottom: 0;
}

.modern-dropdown-item:hover {
  background-color: rgba(30, 64, 175, 0.05);
  color: var(--navbar-blue-dark);
  transform: translateX(3px);
}

.modern-dropdown-item.active {
  background-color: rgba(30, 64, 175, 0.1);
  color: var(--navbar-blue-dark);
}

.modern-dropdown-icon {
  width: 36px;
  height: 36px;
  min-width: 36px;
  border-radius: 8px;
  background: linear-gradient(145deg, var(--navbar-blue-dark), #3b82f6);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 14px;
  position: relative;
  overflow: hidden;
  font-size: 14px;
}

.modern-dropdown-icon::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom right, rgba(255,255,255,0.2), rgba(255,255,255,0));
  opacity: 0;
  transition: opacity 0.2s;
}

.modern-dropdown-item:hover .modern-dropdown-icon::after {
  opacity: 1;
}

.modern-dropdown-content {
  display: flex;
  flex-direction: column;
}

.modern-dropdown-title {
  font-weight: 500;
  font-size: 14px;
  color: #1e293b;
}

.modern-dropdown-desc {
  font-size: 12px;
  color: #64748b;
  margin-top: 2px;
}

.navbar-modern .dropdown-item {
  padding: 10px 15px;
  border-radius: 8px;
  transition: var(--navbar-transition);
  font-weight: 500;
  color: #334155;
}

.navbar-modern .dropdown-item:hover,
.navbar-modern .dropdown-item:focus {
  background-color: rgba(37, 99, 235, 0.05);
  color: var(--navbar-blue);
}

.navbar-modern .dropdown-item.active {
  background-color: rgba(37, 99, 235, 0.1);
  color: var(--navbar-blue);
}

.navbar-modern .dropdown-item i {
  color: var(--navbar-blue);
}

/* Donate Button */
.nav-cta {
  padding-left: 10px;
}

.btn-donate {
  background-color: var(--navbar-blue);
  border: none;
  border-radius: 30px;
  padding: 10px 24px;
  color: white;
  font-weight: 600;
  transition: var(--navbar-transition);
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.2);
}

.btn-donate:hover,
.btn-donate:focus {
  background-color: var(--navbar-blue-dark);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
}

.btn-donate .donate-heart-icon {
  color: #facc15; /* Deep yellow */
  transition: color 0.3s ease;
}

.btn-donate:hover .donate-heart-icon {
  color: #ffffff;
}

/* Mobile Toggle Button */
.navbar-modern .navbar-toggler {
  border: none;
  background-color: transparent;
  padding: 8px;
  color: #1e293b;
  font-size: 1.5rem;
  transition: var(--navbar-transition);
}

.navbar-modern .navbar-toggler:focus {
  box-shadow: none;
}

.navbar-modern .navbar-toggler:hover {
  color: var(--navbar-blue);
}

/* Scroll State - Compact Navbar */
.navbar-modern.navbar-scrolled {
  height: var(--navbar-height-mobile);
  background-color: white;
}

.navbar-modern.navbar-scrolled .logo-img {
  height: 50px;
}

.navbar-modern.navbar-scrolled .logo-text {
  font-size: 1.4rem;
}

.navbar-modern.navbar-scrolled .navbar-nav .nav-link {
  padding-top: 23px;
  padding-bottom: 23px;
}

.navbar-modern.navbar-scrolled .navbar-nav .nav-link.active::after {
  bottom: 17px;
}

/* Responsive Styles */
@media (max-width: 991.98px) {
  .navbar-modern,
  .navbar-modern.navbar-scrolled {
    height: auto;
    padding: 15px 0;
  }
  
  .navbar-spacer {
    height: var(--navbar-height-mobile);
  }
  
  .logo-img {
    height: 45px;
  }
  
  .logo-text {
    font-size: 1.3rem;
  }
  
  .navbar-collapse {
    margin-top: 15px;
    padding: 20px;
    background-color: white;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  }
  
  .navbar-modern .navbar-nav .nav-link {
    padding: 12px 20px;
  }
  
  .navbar-modern .navbar-nav .nav-link.active::after {
    bottom: 12px;
    left: 20px;
    right: 20px;
  }
  
  .nav-cta {
    margin-top: 15px;
    padding: 0 20px;
  }
  
  .btn-donate {
    width: 100%;
    padding: 12px;
  }
}

/* JavaScript for Scroll Effect */
/* Add this class with JS: 
document.addEventListener('scroll', function() {
  const navbar = document.querySelector('.navbar-modern');
  if (window.scrollY > 50) {
    navbar.classList.add('navbar-scrolled');
  } else {
    navbar.classList.remove('navbar-scrolled');
  }
});
*/