/*
PD Triglav - Application Styles
Building on the design system with Bootstrap customization
*/

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* === GLOBAL OVERRIDES === */

* {
  box-sizing: border-box;
}

/* Main content area enhancements */
main, .container, .container-fluid {
  /* position: relative; */ /* This was removed to fix dropdown stacking issues */
}
  z-index: 1; /* Set z-index lower than navbar's (1020) to fix dropdown layering */
}

/* Add subtle depth to main content areas */
.container-fluid > .row > .col-12:first-child {
  position: relative;
  /* z-index removed - let Bootstrap handle layering */
}

.container-fluid > .row > .col-12:first-child::before {
  content: '';
  position: absolute;
  top: -1rem;
  left: -1rem;
  right: -1rem;
  bottom: -1rem;
  background: var(--pd-gradient-mist);
  border-radius: var(--pd-radius-xl);
  opacity: 0.3;
  pointer-events: none;
  z-index: -1;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--pd-font-family-primary);
  font-weight: var(--pd-font-normal);
  line-height: var(--pd-leading-normal);
  color: var(--pd-text-primary, #1a1a1b);
  background: var(--pd-surface-primary, #f7f5f1);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: color var(--pd-transition-normal), background-color var(--pd-transition-normal);
}

html[data-theme="dark"] body {
    color: var(--pd-text-primary);
    background: var(--pd-surface-primary);
}

html[data-theme="light"] body {
    color: var(--pd-text-primary);
    background: var(--pd-surface-primary);
}

/* === TYPOGRAPHY === */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--pd-font-family-heading);
  font-weight: var(--pd-font-semibold);
  line-height: var(--pd-leading-tight);
  color: var(--pd-text-primary, #1a1a1b);
  margin-bottom: var(--pd-space-4);
  transition: color var(--pd-transition-normal);
}

h1 { 
  font-size: var(--pd-text-4xl);
  font-weight: var(--pd-font-bold);
  margin-bottom: var(--pd-space-6);
}

h2 { 
  font-size: var(--pd-text-3xl);
  margin-bottom: var(--pd-space-5);
}

h3 { 
  font-size: var(--pd-text-2xl);
}

h4 { 
  font-size: var(--pd-text-xl);
}

h5 { 
  font-size: var(--pd-text-lg);
}

h6 { 
  font-size: var(--pd-text-base);
  font-weight: var(--pd-font-medium);
}

p {
  margin-bottom: var(--pd-space-4);
  line-height: var(--pd-leading-relaxed);
}

a {
  color: var(--pd-primary);
  text-decoration: none;
  transition: color var(--pd-transition-fast) var(--pd-ease-mountain);
}

a:hover {
  color: var(--pd-primary-dark);
  text-decoration: none;
}

/* === BOOTSTRAP CUSTOMIZATION === */

/* Navigation */
.navbar {
  background: var(--pd-gradient-mountain) !important;
  box-shadow: var(--pd-shadow-md);
  /* backdrop-filter: blur(10px); */ /* Temporarily disabled for debugging dropdowns */
  border: none;
  padding: var(--pd-space-3) 0;
  position: relative;
  z-index: var(--pd-z-sticky);
}

.navbar-brand {
  font-family: var(--pd-font-family-heading);
  font-weight: var(--pd-font-bold);
  font-size: var(--pd-text-xl);
  color: var(--pd-white) !important;
  transition: transform var(--pd-transition-normal) var(--pd-ease-mountain);
}

.navbar-brand:hover {
  transform: scale(1.05);
  color: var(--pd-white) !important;
}

.navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.9) !important;
  font-weight: var(--pd-font-medium);
  padding: var(--pd-space-2) var(--pd-space-4) !important;
  border-radius: var(--pd-radius);
  transition: all var(--pd-transition-fast) var(--pd-ease-mountain);
  margin: 0 var(--pd-space-1);
}

.navbar-nav .nav-link:hover {
  color: var(--pd-white) !important;
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-1px);
}

/* Theme Toggle Button */
#theme-toggle {
  padding: var(--pd-space-2) var(--pd-space-3) !important;
  margin: 0 var(--pd-space-2);
  border-radius: var(--pd-radius) !important;
  transition: all var(--pd-transition-fast) var(--pd-ease-mountain);
  color: var(--pd-white) !important;
  background: transparent !important;
}

#theme-toggle:hover {
  background-color: rgba(255, 255, 255, 0.1) !important;
  transform: translateY(-1px);
}

#theme-toggle:focus {
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.25) !important;
  outline: none !important;
}

#theme-toggle i {
  font-size: var(--pd-text-lg);
  transition: transform var(--pd-transition-fast) var(--pd-ease-mountain);
}

#theme-toggle:hover i {
  transform: scale(1.1);
}

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.dropdown-menu {
  border: none;
  box-shadow: var(--pd-shadow-lg);
  border-radius: var(--pd-radius-lg);
  padding: var(--pd-space-2);
  margin-top: var(--pd-space-2);
}

.dropdown-item {
  border-radius: var(--pd-radius);
  padding: var(--pd-space-2) var(--pd-space-4);
  transition: all var(--pd-transition-fast) var(--pd-ease-mountain);
  font-weight: var(--pd-font-medium);
}

.dropdown-item:hover {
  background-color: var(--pd-primary-subtle);
  color: var(--pd-primary-dark);
  transform: translateX(2px);
}

.dropdown-divider {
  border-color: var(--pd-gray-200);
  margin: var(--pd-space-2) 0;
}

/* Cards - Enhanced Elevation System */
.card {
  border: 1px solid var(--pd-border-color-light);
  border-radius: var(--pd-radius-lg);
  box-shadow: var(--pd-shadow-sm);
  background: var(--pd-surface-elevated);
  transition: all var(--pd-transition-normal) var(--pd-ease-mountain);
  overflow: hidden;
  position: relative;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--pd-primary-subtle) 50%, transparent 100%);
  opacity: 0.6;
}

.card:hover {
  box-shadow: var(--pd-shadow-lg);
  transform: translateY(-1px);
  border-color: var(--pd-primary-subtle);
}

.card-header {
  background: var(--pd-gradient-dawn);
  border-bottom: 1px solid var(--pd-border-color-light);
  padding: var(--pd-space-4) var(--pd-space-5);
  font-weight: var(--pd-font-semibold);
  color: var(--pd-gray-800);
}

.card-body {
  padding: var(--pd-space-5);
  background: var(--pd-surface-elevated);
}

.card-footer {
  background: var(--pd-surface-secondary);
  border-top: 1px solid var(--pd-border-color-light);
  padding: var(--pd-space-4) var(--pd-space-5);
}

/* Buttons */
.btn {
  font-weight: var(--pd-font-medium);
  border-radius: var(--pd-radius);
  padding: var(--pd-space-2) var(--pd-space-4);
  transition: all var(--pd-transition-fast) var(--pd-ease-mountain);
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  gap: var(--pd-space-2);
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--pd-shadow-md);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: linear-gradient(135deg, var(--pd-primary) 0%, var(--pd-primary-dark) 100%);
  border-color: var(--pd-primary);
  color: var(--pd-white);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--pd-primary-dark) 0%, var(--pd-primary) 100%);
  border-color: var(--pd-primary-dark);
  color: var(--pd-white);
}

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

.btn-outline-primary:hover {
  background-color: var(--pd-primary);
  border-color: var(--pd-primary);
  color: var(--pd-white);
}

.btn-success {
  background-color: var(--pd-success);
  border-color: var(--pd-success);
  color: var(--pd-white);
}

.btn-warning {
  background-color: var(--pd-warning);
  border-color: var(--pd-warning);
  color: var(--pd-gray-900);
}

.btn-danger {
  background-color: var(--pd-danger);
  border-color: var(--pd-danger);
  color: var(--pd-white);
}

.btn-secondary {
  background-color: var(--pd-secondary);
  border-color: var(--pd-secondary);
  color: var(--pd-white);
}

/* Forms */
.form-control {
  border: 1px solid var(--pd-border-color);
  border-radius: var(--pd-radius);
  padding: var(--pd-space-3) var(--pd-space-4);
  font-size: var(--pd-text-base);
  transition: all var(--pd-transition-fast) var(--pd-ease-mountain);
  background-color: var(--pd-white);
}

.form-control:focus {
  border-color: var(--pd-accent-red);
  box-shadow: 0 0 0 3px rgba(227, 30, 36, 0.1);
  outline: none;
}

.form-label {
  font-weight: var(--pd-font-medium);
  color: var(--pd-gray-700);
  margin-bottom: var(--pd-space-2);
}

.form-text {
  color: var(--pd-gray-600);
  font-size: var(--pd-text-sm);
}

.form-select {
  border: 1px solid var(--pd-border-color);
  border-radius: var(--pd-radius);
  padding: var(--pd-space-3) var(--pd-space-4);
  background-color: var(--pd-white);
}

/* Alerts */
.alert {
  border: none;
  border-radius: var(--pd-radius-lg);
  border-left: 4px solid;
  padding: var(--pd-space-4) var(--pd-space-5);
  margin-bottom: var(--pd-space-4);
}

.alert-success {
  background-color: rgba(81, 207, 102, 0.1);
  border-left-color: var(--pd-success);
  color: #2b5e2b;
}

.alert-warning {
  background-color: rgba(255, 212, 59, 0.1);
  border-left-color: var(--pd-warning);
  color: #8c6e00;
}

.alert-danger {
  background-color: rgba(255, 107, 107, 0.1);
  border-left-color: var(--pd-danger);
  color: #c13333;
}

.alert-info {
  background-color: rgba(116, 192, 252, 0.1);
  border-left-color: var(--pd-info);
  color: #1b5e8a;
}

/* Badges */
.badge {
  font-weight: var(--pd-font-medium);
  border-radius: var(--pd-radius);
  padding: var(--pd-space-1) var(--pd-space-3);
  font-size: var(--pd-text-sm);
}

.bg-success { background-color: var(--pd-success) !important; }
.bg-warning { background-color: var(--pd-warning) !important; color: var(--pd-gray-900) !important; }
.bg-danger { background-color: var(--pd-danger) !important; }
.bg-info { background-color: var(--pd-info) !important; }
.bg-primary { background-color: var(--pd-primary) !important; }
.bg-secondary { background-color: var(--pd-secondary) !important; }

/* Breadcrumbs */
.breadcrumb {
  background-color: transparent;
  padding: var(--pd-space-3) 0;
  margin-bottom: var(--pd-space-4);
}

.breadcrumb-item a {
  color: var(--pd-gray-600);
  text-decoration: none;
  transition: color var(--pd-transition-fast);
}

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

.breadcrumb-item.active {
  color: var(--pd-gray-800);
  font-weight: var(--pd-font-medium);
}

/* Tables */
.table {
  background-color: var(--pd-white);
  border-radius: var(--pd-radius-lg);
  overflow: hidden;
  box-shadow: var(--pd-shadow);
}

.table th {
  background-color: var(--pd-gray-50);
  font-weight: var(--pd-font-semibold);
  color: var(--pd-gray-700);
  border-bottom: 2px solid var(--pd-border-color);
  padding: var(--pd-space-4);
}

.table td {
  padding: var(--pd-space-4);
  border-bottom: 1px solid var(--pd-border-color-light);
  vertical-align: middle;
}

.table tbody tr:hover {
  background-color: var(--pd-primary-subtle);
  cursor: pointer;
}

/* === CUSTOM COMPONENTS === */

/* Mountain Hero Section */
.hero-mountain {
  background: linear-gradient(135deg, var(--pd-primary) 0%, var(--pd-primary-dark) 100%);
  color: var(--pd-white);
  padding: var(--pd-space-20) 0;
  position: relative;
  overflow: hidden;
}

.hero-mountain::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M30 30l15-15v30l-15-15zm0 0l-15 15V15l15 15z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.1;
}

.hero-mountain .container {
  position: relative;
  z-index: 1;
}

/* Trip Difficulty Badges */
.difficulty-easy { 
  background-color: var(--pd-success) !important; 
  color: var(--pd-white) !important;
}

.difficulty-moderate { 
  background-color: var(--pd-warning) !important; 
  color: var(--pd-gray-900) !important;
}

.difficulty-difficult { 
  background-color: var(--pd-accent-orange) !important; 
  color: var(--pd-white) !important;
}

.difficulty-expert { 
  background-color: var(--pd-danger) !important; 
  color: var(--pd-white) !important;
}

/* Trip Status Indicators */
.status-announced {
  background-color: var(--pd-info) !important;
  color: var(--pd-white) !important;
}

.status-completed {
  background-color: var(--pd-success) !important;
  color: var(--pd-white) !important;
}

.status-cancelled {
  background-color: var(--pd-secondary) !important;
  color: var(--pd-white) !important;
}

/* Mountain-inspired border accents */
.border-mountain {
  border-left: 4px solid var(--pd-primary) !important;
}

.border-mountain-success {
  border-left: 4px solid var(--pd-success) !important;
}

.border-mountain-warning {
  border-left: 4px solid var(--pd-warning) !important;
}

.border-mountain-danger {
  border-left: 4px solid var(--pd-danger) !important;
}

/* Loading states */
.loading-shimmer {
  background: linear-gradient(
    90deg,
    var(--pd-gray-200) 25%,
    var(--pd-gray-100) 50%,
    var(--pd-gray-200) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* === MAIN CONTENT LAYOUT === */

/* Desktop: Accommodate sidebar */
@media (min-width: 992px) {
  .main-content {
    margin-left: 250px; /* Sidebar width */
    padding: var(--pd-space-6) var(--pd-space-4);
    margin-bottom: var(--pd-space-12);
    min-height: calc(100vh - 200px); /* Account for footer */
  }
}

/* Mobile: Accommodate mobile header */
@media (max-width: 991px) {
  .main-content {
    padding-top: calc(60px + var(--pd-space-6)); /* Mobile header height + spacing */
    padding-bottom: var(--pd-space-12);
    padding-left: var(--pd-space-4);
    padding-right: var(--pd-space-4);
  }
}

/* Tablet adjustments */
@media (max-width: 768px) {
  .main-content {
    padding-top: calc(60px + var(--pd-space-4));
    padding-bottom: var(--pd-space-8);
  }
}

/* Mobile theme toggle styles */
.theme-toggle-mobile {
  background: none;
  border: none;
  color: var(--pd-white);
  font-size: var(--pd-text-lg);
  padding: var(--pd-space-2);
  border-radius: var(--pd-radius);
  transition: all var(--pd-transition-fast);
  cursor: pointer;
}

.theme-toggle-mobile:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: scale(1.05);
}

/* Responsive utilities */
@media (max-width: 768px) {
  .hero-mountain {
    padding: var(--pd-space-12) 0;
  }
  
  h1 {
    font-size: var(--pd-text-3xl);
  }
  
  .card-body {
    padding: var(--pd-space-4);
  }
  
  .btn {
    padding: var(--pd-space-3) var(--pd-space-5);
  }
}

/* === HERO SECTION STYLES === */

.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: white;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 120%; /* Slightly larger for parallax movement */
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  z-index: 1;
  transform: translate3d(0, 0, 0);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(43, 43, 43, 0.8) 0%,
    rgba(26, 26, 26, 0.6) 50%,
    rgba(108, 117, 125, 0.4) 100%
  );
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 800px;
  margin: 0 auto;
  padding: var(--pd-space-8) var(--pd-space-4);
}

.hero-text-container {
  animation: heroFadeIn 1.5s ease-out;
}

.hero-title {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: var(--pd-font-bold);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  margin-bottom: var(--pd-space-6);
  line-height: var(--pd-leading-tight);
}

.hero-subtitle {
  font-size: clamp(1.1rem, 3vw, 1.4rem);
  font-weight: var(--pd-font-normal);
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
  margin-bottom: var(--pd-space-8);
  opacity: 0.95;
}

/* Social Proof Stats */
.hero-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--pd-space-4);
  margin-bottom: var(--pd-space-8);
}

.stat-item {
  text-align: center;
  color: white;
}

.stat-item strong {
  display: block;
  font-size: 1.5rem;
  font-weight: var(--pd-font-bold);
  color: var(--pd-accent-light);
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.stat-item small {
  display: block;
  font-size: 0.9rem;
  font-weight: var(--pd-font-bold);
  opacity: 1;
  color: var(--pd-accent-light);
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-separator {
  color: var(--pd-accent-light);
  font-size: 1.2rem;
  opacity: 0.7;
}

/* CTA Buttons */
.hero-cta-buttons {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--pd-space-4);
}

.hero-cta-buttons .btn {
  font-weight: var(--pd-font-semibold);
  text-transform: none;
  border-radius: var(--pd-radius-lg);
  transition: all var(--pd-transition-normal);
  text-shadow: none;
  min-width: 200px;
}

.hero-cta-buttons .btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.hero-cta-buttons .btn-primary {
  background: var(--pd-accent-red);
  border-color: var(--pd-accent-red);
}

.hero-cta-buttons .btn-primary:hover {
  background: var(--pd-accent-red-dark);
  border-color: var(--pd-accent-red-dark);
}

.hero-cta-buttons .btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: white;
  color: white;
}

/* Content Preview Bar */
.hero-content-preview {
  position: absolute;
  bottom: 80px; /* Above scroll indicator */
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 1rem;
  background: rgba(0, 0, 0, 0.6);
  padding: 0.75rem 1.5rem;
  border-radius: 25px;
  backdrop-filter: blur(5px);
  z-index: 3;
  max-width: 90vw;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  cursor: pointer;
  transition: all 0.3s ease;
}

.hero-content-preview:hover {
  background: rgba(0, 0, 0, 0.8);
  transform: translateX(-50%) scale(1.05);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.4);
}

.preview-item {
  color: white;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
  transition: color 0.3s ease;
}

.hero-content-preview:hover .preview-item {
  color: #E31E24; /* PD Triglav red */
}

.hero-content-preview:hover .preview-item i {
  color: #E31E24;
}

.preview-item i {
  flex-shrink: 0;
  opacity: 0.9;
}

.preview-divider {
  color: rgba(255, 255, 255, 0.6);
  font-size: 1rem;
  flex-shrink: 0;
}

/* Scroll Indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: var(--pd-space-6);
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  text-align: center;
  color: white;
  opacity: 1;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(5px);
  border-radius: 50px;
  padding: 0.75rem 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
}

.hero-scroll-indicator:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateX(-50%) scale(1.05);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.scroll-arrow {
  font-size: 1.75rem;
  margin-bottom: var(--pd-space-2);
  cursor: pointer;
  transition: all var(--pd-transition-normal);
  color: white;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
  animation: bounce 2s infinite, glow 2s ease-in-out infinite alternate;
}

.scroll-arrow:hover {
  color: #E31E24;
  transform: translateY(-3px);
  text-shadow: 0 4px 8px rgba(227, 30, 36, 0.5);
}

.scroll-text {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
  opacity: 0.95;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

@keyframes glow {
  from {
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
  }
  to {
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5), 0 0 15px rgba(255, 255, 255, 0.3);
  }
}

/* Enhanced Card Styling */
.card {
  border: none;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  overflow: hidden;
  background: white;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.card.border-primary {
  border: 1px solid rgba(13, 110, 253, 0.2);
  box-shadow: 0 2px 8px rgba(13, 110, 253, 0.1);
}

.card.border-primary:hover {
  box-shadow: 0 8px 25px rgba(13, 110, 253, 0.2);
}

.card.border-success {
  border: 1px solid rgba(25, 135, 84, 0.2);
  box-shadow: 0 2px 8px rgba(25, 135, 84, 0.1);
}

.card.border-success:hover {
  box-shadow: 0 8px 25px rgba(25, 135, 84, 0.2);
}

.card.border-secondary {
  border: 1px solid rgba(108, 117, 125, 0.2);
  box-shadow: 0 2px 8px rgba(108, 117, 125, 0.1);
}

.card.border-secondary:hover {
  box-shadow: 0 8px 25px rgba(108, 117, 125, 0.15);
}

.card-header {
  background: linear-gradient(135deg, var(--bs-primary), color-mix(in srgb, var(--bs-primary) 85%, white));
  border-bottom: none;
  font-weight: 600;
  position: relative;
  overflow: hidden;
}

.card-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent, rgba(255,255,255,0.1), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.card:hover .card-header::before {
  transform: translateX(100%);
}

.card-header.bg-primary {
  background: linear-gradient(135deg, #0d6efd, #4285f4);
}

.card-header.bg-success {
  background: linear-gradient(135deg, #198754, #20c997);
}

.card-header.bg-secondary {
  background: linear-gradient(135deg, #6c757d, #8e9aaf);
}

.card-body {
  padding: 1.5rem;
}

.card-title {
  color: var(--pd-text-primary);
  font-weight: 600;
  margin-bottom: 1rem;
}

.card-text {
  color: var(--pd-text-secondary);
  line-height: 1.6;
}

/* Typography Hierarchy Improvements */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.3;
  margin-bottom: 1rem;
}

h5.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--pd-text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

h5.card-title i {
  color: var(--pd-accent-primary);
  font-size: 1.1rem;
}

/* Content Section Typography */
.container-fluid h5 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.container-fluid p {
  line-height: 1.7;
  margin-bottom: 1rem;
  color: var(--pd-text-secondary);
}

.container-fluid small {
  font-size: 0.85rem;
  color: var(--pd-text-muted);
  line-height: 1.5;
}

/* Historical Events & News Typography */
.card-body h6 {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 0.75rem;
  color: var(--pd-text-primary);
}

.card-body p.text-body-secondary {
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

.card-body .text-center h6 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.card-body .text-center p {
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Link Styling Improvements */
.card-body a {
  color: var(--pd-accent-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.card-body a:hover {
  color: var(--pd-accent-dark);
  text-decoration: underline;
}

/* Badge Typography */
.badge {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.35em 0.65em;
}

/* Button Typography */
.btn-sm {
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
}

/* List Group Typography */
.list-group-item h6 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.list-group-item p {
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 0.25rem;
}

.list-group-item small {
  font-size: 0.8rem;
  opacity: 0.8;
}

/* Content Section Spacing */
.container-fluid .row {
  margin-bottom: 2rem;
}

.container-fluid .col-md-4,
.container-fluid .col-md-6,
.container-fluid .col-lg-6 {
  margin-bottom: 1.5rem;
}

/* Card Content Spacing */
.card-body > *:last-child {
  margin-bottom: 0;
}

.card-body .mb-3:last-child {
  margin-bottom: 0 !important;
}

/* Historical Events Content Spacing */
.card-body .d-flex.flex-wrap {
  margin-bottom: 1rem;
}

.card-body .d-flex.flex-wrap > div {
  margin-right: 1.5rem;
  margin-bottom: 0.5rem;
}

/* News Article Spacing */
.card-body .border-bottom {
  padding-bottom: 1rem;
  margin-bottom: 1rem;
}

/* Vertical Rhythm */
.container-fluid > .row > .col-12:first-child {
  padding-bottom: 1rem;
}

/* Icon Spacing */
.bi {
  margin-right: 0.25rem;
}

h5 .bi,
h6 .bi {
  margin-right: 0.5rem;
}

/* Loading Skeleton Styles */
.skeleton-loading {
  padding: 1rem 0;
}

.skeleton-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.skeleton-date {
  height: 16px;
  width: 120px;
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: 4px;
}

.skeleton-badge {
  height: 20px;
  width: 80px;
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: 10px;
}

.skeleton-title {
  height: 20px;
  width: 75%;
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: 4px;
  margin-bottom: 0.75rem;
}

.skeleton-text {
  height: 14px;
  width: 100%;
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: 4px;
  margin-bottom: 0.5rem;
}

.skeleton-text.short {
  width: 60%;
}

.skeleton-meta {
  display: flex;
  gap: 2rem;
  margin-top: 1rem;
}

.skeleton-meta-item {
  height: 12px;
  width: 100px;
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: 4px;
}

/* News Skeleton Styles */
.skeleton-news-item {
  margin-bottom: 1rem;
}

.skeleton-news-title {
  height: 18px;
  width: 85%;
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: 4px;
  margin-bottom: 0.5rem;
}

.skeleton-news-meta {
  height: 12px;
  width: 150px;
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: 4px;
  margin-top: 0.5rem;
}

.skeleton-divider {
  height: 1px;
  background: #e9ecef;
  margin: 1rem 0;
}

.skeleton-fallback {
  border-top: 1px solid #e9ecef;
}

@keyframes skeleton-loading {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

/* Reduced motion support for skeletons */
@media (prefers-reduced-motion: reduce) {
  .skeleton-date,
  .skeleton-badge,
  .skeleton-title,
  .skeleton-text,
  .skeleton-meta-item,
  .skeleton-news-title,
  .skeleton-news-meta {
    animation: none;
    background: #f0f0f0;
  }
}

/* Animations */
@keyframes heroFadeIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

.bounce {
  animation: bounce 2s infinite;
}

/* Advanced Parallax Effects */
@media (prefers-reduced-motion: no-preference) {
  .hero-background {
    will-change: transform;
    backface-visibility: hidden;
    perspective: 1000px;
  }
  
  .hero-content {
    will-change: transform, opacity;
    backface-visibility: hidden;
  }
  
  .hero-stats {
    will-change: transform;
    backface-visibility: hidden;
  }
  
  .hero-cta-buttons {
    will-change: transform;
    backface-visibility: hidden;
  }
}


/* Responsive Design */
@media (max-width: 768px) {
  .hero-section {
    min-height: 90vh;
  }
  
  .hero-content {
    padding: var(--pd-space-6) var(--pd-space-3);
  }
  
  .hero-title {
    margin-bottom: var(--pd-space-4);
  }
  
  .hero-subtitle {
    margin-bottom: var(--pd-space-6);
  }
  
  .hero-stats {
    margin-bottom: var(--pd-space-6);
  }
  
  .hero-cta-buttons {
    flex-direction: column;
    align-items: stretch;
  }
  
  .hero-cta-buttons .btn {
    min-width: auto;
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
  }
  
  .stat-item strong {
    font-size: 1.2rem;
  }
  
  .stat-item small {
    font-size: 0.8rem;
    font-weight: var(--pd-font-bold);
    opacity: 1;
    color: var(--pd-accent-light);
  }
  
  .hero-background {
    background-attachment: scroll;
  }
}

@media (max-width: 576px) {
  .hero-stats {
    flex-direction: column;
    gap: var(--pd-space-2);
  }
  
  .stat-separator {
    display: none;
  }
  
  .hero-content-preview {
    bottom: 60px;
    padding: 0.5rem 1rem;
    gap: 0.75rem;
    max-width: 95vw;
  }
  
  .preview-item {
    font-size: 0.75rem;
  }
  
  .preview-item span {
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  
  .hero-scroll-indicator {
    bottom: var(--pd-space-4);
    padding: 0.5rem 1rem;
  }
  
  .scroll-arrow {
    font-size: 1.5rem;
  }
  
  .scroll-text {
    font-size: 0.7rem;
  }
  
  .card-body {
    padding: 1rem;
  }
  
  .card-title {
    font-size: 1.1rem;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .hero-overlay {
    background: rgba(0, 0, 0, 0.8);
  }
  
  .hero-title,
  .hero-subtitle {
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.9);
  }
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
  .hero-text-container {
    animation: none;
  }
  
  .bounce {
    animation: none;
  }
  
  .hero-background {
    background-attachment: scroll;
    transition: none;
  }
  
  .hero-content-preview {
    transition: none;
  }
  
  .preview-item {
    transition: none;
  }
  
  .card {
    transition: none;
    transform: none !important;
  }
  
  .card:hover {
    transform: none !important;
  }
  
  .card-header::before {
    transition: none;
  }
  
  .hero-cta-buttons .btn:hover {
    transform: none;
  }
}

/* Print styles */
@media print {
  .navbar,
  .btn,
  .dropdown,
  .modal,
  .hero-section {
    display: none !important;
  }
  
  .card {
    box-shadow: none;
    border: 1px solid var(--pd-gray-400);
  }
}