/* Professional Light Theme - Organization Friendly */
:root {
  --primary-color: #4366b1;      /* Professional blue (old: #2563EB) */
  --secondary-color: #059669;    /* Professional green */
  --accent-color: #F59E0B;       /* Warm amber */
  --success-color: #10B981;      /* Success green */
  --warning-color: #F59E0B;      /* Warning amber */
  --danger-color: #EF4444;       /* Danger red */
  --info-color: #06B6D4;         /* Info cyan */
  
  --gray-50: #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E1;
  --gray-400: #94A3B8;
  --gray-500: #64748B;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1E293B;
  --gray-900: #0F172A;
  
  --white: #FFFFFF;
  --black: #000000;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  --border-radius: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;
}

/* Reset and Base Styles */
* {
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
  color: var(--gray-700);
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  color: var(--gray-900);
  margin-bottom: 1rem;
}

h2.section-header {
  color: #484e5c;
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.875rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: 1rem;
  color: var(--gray-600);
}

.blurred-container {
  backdrop-filter: blur(2px);          /* blur effect */
  -webkit-backdrop-filter: blur(2px);  /* for Safari */
  padding: 2rem;
  color: white;
}

/* Header Section */
header.bg-primary {
  background: linear-gradient(200deg, var(--primary-color) 0%, #1D4ED8 50%, #1E40AF 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
  padding: 3rem 0;
}

header.bg-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.4;
} 

header.no-image {
  background: url("data:image/svg+xml,%3Csvg width='6' height='6' viewBox='0 0 6 6' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23929aac' fill-opacity='0.4' fill-rule='evenodd'%3E%3Cpath d='M5 0h1L0 6V5zM6 5v1H5z'/%3E%3C/g%3E%3C/svg%3E"); 
}

header .container {
  position: relative;
  z-index: 2;
}

header h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--white);
}

header p {
  font-size: 1.125rem;
  color: #DBEAFE;
  margin-bottom: 2rem;
  max-width: 600px;
}

/* Buttons - Professional Design */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--border-radius);
  border: none;
  cursor: pointer;
  transition: all 0.2s ease-in-out;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color) 0%, #1D4ED8 100%);
  color: var(--white);
  box-shadow: var(--shadow);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #1D4ED8 0%, #1E40AF 100%);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--secondary-color) 0%, #047857 100%);
  color: var(--white);
  box-shadow: var(--shadow);
}

.btn-secondary:hover {
  background: linear-gradient(135deg, #047857 0%, #065F46 100%);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline-primary {
  background: transparent;
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
}

.btn-outline-primary:hover {
  background: var(--primary-color);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.btn-outline-light {
  background: transparent;
  border: 2px solid var(--white);
  color: var(--white);
}

.btn-outline-light:hover {
  background: var(--white);
  color: var(--primary-color);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
  border-radius: var(--border-radius-lg);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
  border-radius: 6px;
}

/* Navigation */
.navbar {
  background: rgba(255, 255, 255, 0.98) !important;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color) !important;
  text-decoration: none;
}

.navbar-nav .nav-link {
  color: var(--gray-700) !important;
  font-weight: 500;
  padding: 0.5rem 1rem;
  margin: 0 0.25rem;
  border-radius: var(--border-radius);
  transition: all 0.2s ease;
  position: relative;
}

.navbar-nav .nav-link:hover {
  color: var(--primary-color) !important;
  background: var(--gray-100);
}

.navbar-nav .nav-link.active {
  color: var(--primary-color) !important;
  background: #EFF6FF;
}

/* Cards - Professional Design */
.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
  overflow: hidden;
  position: relative;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--gray-300);
}

.card-header {
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
  border-bottom: 1px solid var(--gray-200);
  padding: 1.25rem;
  font-weight: 600;
  color: var(--gray-900);
}

.card-body {
  padding: 1.25rem;
}

.card-footer {
  background: var(--gray-50);
  border-top: 1px solid var(--gray-200);
  padding: 1rem 1.25rem;
}

/* Alerts - Professional Design */
.alert {
  border: 1px solid transparent;
  border-radius: var(--border-radius);
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
  position: relative;
  overflow: hidden;
}

.alert::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
}

.alert-info {
  background: #EFF6FF;
  border-color: #BFDBFE;
  color: #1E40AF;
}

.alert-info::before {
  background: var(--info-color);
}

.alert-success {
  background: #ECFDF5;
  border-color: #A7F3D0;
  color: #065F46;
}

.alert-success::before {
  background: var(--success-color);
}

.alert-warning {
  background: #FFFBEB;
  border-color: #FDE68A;
  color: #92400E;
}

.alert-warning::before {
  background: var(--warning-color);
}

.alert-danger {
  background: #FEF2F2;
  border-color: #FECACA;
  color: #991B1B;
}

.alert-danger::before {
  background: var(--danger-color);
}

/* Forms - Professional Design */
.form-control {
  border: 1px solid var(--gray-300);
  border-radius: var(--border-radius);
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  transition: all 0.2s ease;
  background: var(--white);
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
  outline: none;
}

.form-label {
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 0.5rem;
}

.form-text {
  color: var(--gray-500);
  font-size: 0.875rem;
}

/* Badges */
.badge {
  padding: 0.375rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge.bg-primary {
  background: var(--primary-color) !important;
}

.badge.bg-secondary {
  background: var(--secondary-color) !important;
}

.badge.bg-warning {
  background: var(--warning-color) !important;
  color: var(--white);
}

.badge.bg-danger {
  background: var(--danger-color) !important;
}

.badge.bg-success {
  background: var(--success-color) !important;
}

/* Pagination */
.pagination {
  gap: 0.25rem;
}

.page-link {
  border: 1px solid var(--gray-300);
  color: var(--gray-600);
  padding: 0.5rem 0.75rem;
  border-radius: var(--border-radius);
  transition: all 0.2s ease;
}

.page-link:hover {
  background: var(--primary-color);
  color: var(--white);
  border-color: var(--primary-color);
  transform: translateY(-1px);
}

.page-item.active .page-link {
  background: var(--primary-color);
  color: var(--white);
  border-color: var(--primary-color);
}

/* Footer */
footer.bg-dark {
  background: linear-gradient(135deg, var(--gray-800) 0%, var(--gray-900) 100%) !important;
  color: var(--gray-300);
  padding: 3rem 0 1rem;
}

footer h5 {
  color: var(--white);
  margin-bottom: 1rem;
}

footer a {
  color: var(--gray-400);
  text-decoration: none;
  transition: color 0.2s ease;
}

footer a:hover {
  color: var(--white);
}

/* Utility Classes */
.text-primary { color: var(--primary-color) !important; }
.text-secondary { color: var(--secondary-color) !important; }
.text-success { color: var(--success-color) !important; }
.text-warning { color: var(--warning-color) !important; }
.text-danger { color: var(--danger-color) !important; }
.text-info { color: var(--info-color) !important; }

.bg-primary { background-color: var(--primary-color) !important; }
.bg-secondary { background-color: var(--secondary-color) !important; }
.bg-success { background-color: var(--success-color) !important; }
.bg-warning { background-color: var(--warning-color) !important; }
.bg-danger { background-color: var(--danger-color) !important; }
.bg-info { background-color: var(--info-color) !important; }

/* Links */
a {
  color: var(--primary-color);
  text-decoration: none;
  transition: all 0.2s ease;
}

a:hover {
  color: #1D4ED8;
  text-decoration: none;
}

/* Breadcrumbs */
.breadcrumb {
  background: transparent;
  padding: 0;
  margin: 0;
}

.breadcrumb-item + .breadcrumb-item::before {
  color: var(--gray-400);
}

/* Accordion */
.accordion-button {
  background: var(--white);
  border: 1px solid var(--gray-200);
  color: var(--gray-900);
  font-weight: 600;
  border-radius: var(--border-radius);
  transition: all 0.2s ease;
}

.accordion-button:not(.collapsed) {
  background: var(--primary-color);
  color: var(--white);
  border-color: var(--primary-color);
}

.accordion-button:focus {
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Timeline */
.timeline-marker {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  box-shadow: var(--shadow);
}

.timeline-content {
  border-radius: var(--border-radius);
  border-left: 4px solid var(--primary-color);
  background: var(--white);
  box-shadow: var(--shadow);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--gray-400);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-500);
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.5s ease-out;
}

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

.slide-in-left {
  animation: slideInLeft 0.5s ease-out;
}

/* Responsive Design */
@media (max-width: 768px) {
  header h1 {
    font-size: 2.25rem;
  }
  
  .navbar-nav .nav-link {
    margin: 0.25rem 0;
  }
  
  .btn {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
  }
  
  .card {
    margin-bottom: 1.5rem;
  }
  
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  #homepage_hero {
    height: 50vh;
  }
}

@media (min-width: 769px) {
#homepage_hero {
    height: 60vh;
  }
}

/* Hover Effects */
.hover-lift {
  transition: transform 0.2s ease;
}

.hover-lift:hover {
  transform: translateY(-2px);
}

.hover-glow {
  transition: box-shadow 0.2s ease;
}

.hover-glow:hover {
  box-shadow: var(--shadow-md);
}

/* Gradient Backgrounds */
.bg-gradient-primary {
  background: linear-gradient(135deg, var(--primary-color) 0%, #1D4ED8 100%);
}

.bg-gradient-secondary {
  background: linear-gradient(135deg, var(--secondary-color) 0%, #047857 100%);
}

.bg-gradient-accent {
  background: linear-gradient(135deg, var(--accent-color) 0%, #D97706 100%);
}

/* Glass Effect */
.glass {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Section Spacing */
.section-padding {
  padding: 3rem 0;
}

.section-padding-sm {
  padding: 2rem 0;
}

.section-padding-lg {
  padding: 4rem 0;
}

/* Light Theme Specific */
.bg-light {
  background-color: var(--gray-50) !important;
}

.bg-lighter {
  background-color: var(--gray-100) !important;
}

.text-muted {
  color: var(--gray-500) !important;
}

.border-light {
  border-color: var(--gray-200) !important;
}