/* Market Solutions CSS Framework */

/* CSS Custom Properties for Responsive Design System */
:root {
  /* Breakpoints */
  --mobile-max: 480px;
  --phablet-min: 481px;
  --phablet-max: 767px;
  --tablet-min: 768px;
  --tablet-max: 1023px;
  --desktop-min: 1024px;
  --large-desktop-min: 1280px;
  
  /* Grid Spacing */
  --grid-gap-mobile: 16px;
  --grid-gap-tablet: 20px;
  --grid-gap-desktop: 24px;
  
  /* Typography Scale */
  --font-size-title-mobile: 18px;
  --font-size-title-tablet: 20px;
  --font-size-title-desktop: 22px;
  --font-size-title-large: 24px;
  
  --font-size-body-mobile: 14px;
  --font-size-body-tablet: 15px;
  --font-size-body-desktop: 16px;
  
  /* Colors (matching existing brand) */
  --color-primary: #F59E0B;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-white: #ffffff;
  
  /* Touch Targets */
  --min-touch-target: 44px;
  
  /* Transitions */
  --transition-base: all 0.3s ease;
  --transition-fast: all 0.15s ease;
  
  /* Shadows */
  --shadow-card: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-card-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Base Grid System */
.market-categories-grid {
  display: grid;
  gap: var(--grid-gap-mobile);
  grid-template-columns: 1fr;
}

/* Responsive Grid Layouts */
@media (min-width: 768px) and (max-width: 1023px) {
  .market-categories-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--grid-gap-tablet);
  }
}

@media (min-width: 1024px) and (max-width: 1279px) {
  .market-categories-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--grid-gap-desktop);
  }
}

@media (min-width: 1280px) {
  .market-categories-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--grid-gap-desktop);
  }
}

/* Case Study Card Component */
.case-study-card {
  background: var(--color-white);
  border-radius: 8px;
  box-shadow: var(--shadow-card);
  transition: var(--transition-base);
  overflow: hidden;
  min-height: var(--min-touch-target);
}

.case-study-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.case-study-card:focus-within {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.card-link {
  display: block;
  text-decoration: none;
  color: inherit;
  height: 100%;
}

.card-image {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  background-color: var(--color-gray-100);
}

.card-image img,
.card-image picture {
  width: 100%;
  height: 100%;
}

.card-image img {
  object-fit: cover;
  transition: var(--transition-base);
  display: block;
}

.case-study-card:hover .card-image img {
  transform: scale(1.05);
}

.card-content {
  padding: 16px;
}

.card-title {
  font-size: var(--font-size-title-mobile);
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.4;
  color: var(--color-gray-800);
}

.card-description {
  font-size: var(--font-size-body-mobile);
  color: var(--color-gray-700);
  line-height: 1.5;
  margin: 0;
}

/* Responsive Typography */
@media (min-width: 768px) {
  .card-title {
    font-size: var(--font-size-title-tablet);
  }
  
  .card-description {
    font-size: var(--font-size-body-tablet);
  }
}

@media (min-width: 1024px) {
  .card-title {
    font-size: var(--font-size-title-desktop);
  }
  
  .card-description {
    font-size: var(--font-size-body-desktop);
  }
}

@media (min-width: 1280px) {
  .card-title {
    font-size: var(--font-size-title-large);
  }
}

/* Category Section Styling */
.category-section {
  margin-bottom: 48px;
  scroll-margin-top: 5rem;
}

.category-title {
  font-size: 28px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 24px;
  color: var(--color-gray-800);
}

@media (min-width: 768px) {
  .category-title {
    font-size: 32px;
    margin-bottom: 32px;
  }
}

/* Enhanced Mobile Navigation Accordion */
.mobile-accordion {
  border-bottom: 1px solid var(--color-gray-100);
}

.accordion-trigger,
.mobile-dropdown-button {
  width: 100%;
  padding: 12px 0;
  background: none;
  border: none;
  text-align: left;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: var(--min-touch-target);
  cursor: pointer;
  transition: var(--transition-base);
}

.accordion-trigger:hover,
.mobile-dropdown-button:hover {
  background-color: rgba(245, 158, 11, 0.1);
  border-radius: 4px;
}

.accordion-trigger:focus-visible,
.mobile-dropdown-button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  background-color: rgba(245, 158, 11, 0.1);
  border-radius: 4px;
}

.accordion-content,
.mobile-dropdown-content {
  padding-left: 16px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-in-out, opacity 0.2s ease-in-out;
  opacity: 0;
}

.accordion-content.expanded,
.mobile-dropdown-content:not(.hidden) {
  opacity: 1;
}

.accordion-content a,
.mobile-dropdown-content a {
  display: block;
  padding: 8px 12px;
  color: var(--color-gray-700);
  text-decoration: none;
  min-height: var(--min-touch-target);
  line-height: 1.5;
  border-radius: 4px;
  transition: var(--transition-base);
  margin: 2px 0;
}

.accordion-content a:hover,
.mobile-dropdown-content a:hover {
  color: var(--color-primary);
  background-color: rgba(245, 158, 11, 0.1);
}

.accordion-content a:focus-visible,
.mobile-dropdown-content a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  background-color: rgba(245, 158, 11, 0.1);
}

/* Mobile dropdown arrow animation */
.mobile-dropdown-arrow,
.accordion-arrow {
  transition: transform 0.3s ease;
  transform-origin: center;
}

/* Mobile menu smooth animations */
.mobile-menu {
  transition: max-height 0.3s ease-in-out, opacity 0.2s ease-in-out;
}

.mobile-menu.hidden {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
}

/* Enhanced touch targets for mobile */
@media (max-width: 1023px) {
  .accordion-trigger,
  .mobile-dropdown-button,
  .mobile-menu-button {
    min-height: 48px; /* Larger touch targets on mobile */
    padding: 16px 0;
  }
  
  .accordion-content a,
  .mobile-dropdown-content a,
  .mobile-menu a {
    min-height: 48px;
    padding: 12px 16px;
    display: flex;
    align-items: center;
  }
}

/* Smooth scroll behavior for mobile navigation */
@media (prefers-reduced-motion: no-preference) {
  .accordion-content,
  .mobile-dropdown-content,
  .mobile-menu {
    transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1), 
                opacity 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  }
  
  .mobile-dropdown-arrow,
  .accordion-arrow {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  .accordion-content,
  .mobile-dropdown-content,
  .mobile-menu,
  .mobile-dropdown-arrow,
  .accordion-arrow {
    transition: none;
  }
}

/* High contrast mode enhancements */
@media (prefers-contrast: high) {
  .accordion-trigger,
  .mobile-dropdown-button {
    border: 1px solid var(--color-primary);
    margin: 2px 0;
  }
  
  .accordion-content a,
  .mobile-dropdown-content a {
    border: 1px solid transparent;
  }
  
  .accordion-content a:hover,
  .mobile-dropdown-content a:hover,
  .accordion-content a:focus-visible,
  .mobile-dropdown-content a:focus-visible {
    border-color: var(--color-primary);
    background-color: var(--color-white);
  }
}

/* Accessibility Enhancements */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Enhanced Focus Indicators for Keyboard Navigation */
.case-study-card:focus-visible,
.accordion-trigger:focus-visible,
.market-nav-link:focus-visible,
.mobile-menu-button:focus-visible,
.mobile-dropdown-button:focus-visible,
.category-nav a:focus-visible,
.breadcrumb a:focus-visible,
.mobile-sidebar-toggle:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
  box-shadow: 0 0 0 1px rgba(245, 158, 11, 0.2);
}

/* High contrast focus for better visibility */
@media (prefers-contrast: high) {
  .case-study-card:focus-visible,
  .accordion-trigger:focus-visible,
  .market-nav-link:focus-visible,
  .mobile-menu-button:focus-visible,
  .mobile-dropdown-button:focus-visible,
  .category-nav a:focus-visible,
  .breadcrumb a:focus-visible,
  .mobile-sidebar-toggle:focus-visible,
  button:focus-visible,
  input:focus-visible,
  textarea:focus-visible,
  select:focus-visible {
    outline: 4px solid var(--color-primary);
    outline-offset: 3px;
    box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.4);
  }
}

/* Skip to main content link for screen readers */
.skip-to-main {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 8px;
  text-decoration: none;
  border-radius: 4px;
  z-index: 1000;
  font-weight: 600;
  transition: top 0.3s;
}

.skip-to-main:focus {
  top: 6px;
}

/* Enhanced keyboard navigation for cards */
.case-study-card[tabindex="0"] {
  cursor: pointer;
}

.case-study-card:focus {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
}

/* Keyboard navigation indicators */
.keyboard-user .case-study-card:focus {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

.keyboard-user .market-nav-link:focus {
  background-color: rgba(245, 158, 11, 0.1);
  border-radius: 4px;
}

/* Enhanced Color Contrast for Accessibility */
:root {
  /* Ensure high contrast colors meet WCAG AA standards (4.5:1 ratio) */
  --color-text-primary: #1f2937; /* Gray-800 - High contrast on white */
  --color-text-secondary: #374151; /* Gray-700 - Good contrast on white */
  --color-text-muted: #6b7280; /* Gray-500 - Minimum 4.5:1 contrast */
  --color-link: #1d4ed8; /* Blue-700 - High contrast link color */
  --color-link-hover: #1e40af; /* Blue-800 - Even higher contrast on hover */
  --color-focus-ring: #2563eb; /* Blue-600 - High contrast focus ring */
  
  /* High contrast button colors */
  --color-button-primary: #f59e0b; /* Yellow-500 - Brand color */
  --color-button-primary-hover: #d97706; /* Yellow-600 - Darker on hover */
  --color-button-text: #1f2937; /* Dark text on yellow background */
  
  /* Error and success colors with proper contrast */
  --color-error: #dc2626; /* Red-600 - High contrast error color */
  --color-success: #059669; /* Green-600 - High contrast success color */
  --color-warning: #d97706; /* Yellow-600 - High contrast warning color */
}

/* Text color overrides for better contrast */
.card-title {
  color: var(--color-text-primary);
}

.card-description {
  color: var(--color-text-secondary);
}

.category-title {
  color: var(--color-text-primary);
}

/* Link colors with proper contrast */
a {
  color: var(--color-link);
}

a:hover {
  color: var(--color-link-hover);
}

/* Button contrast improvements */
.cta-button,
button[type="submit"] {
  background-color: var(--color-button-primary);
  color: var(--color-button-text);
  font-weight: 600;
}

.cta-button:hover,
button[type="submit"]:hover {
  background-color: var(--color-button-primary-hover);
}

/* Form input contrast */
input,
textarea,
select {
  color: var(--color-text-primary);
  border-color: #d1d5db; /* Gray-300 - Sufficient contrast */
}

input::placeholder,
textarea::placeholder {
  color: var(--color-text-muted);
}

/* Navigation contrast improvements */
.market-nav-link {
  color: var(--color-text-secondary);
}

.market-nav-link:hover,
.market-nav-link.active {
  color: var(--color-primary);
  background-color: rgba(245, 158, 11, 0.1);
}

/* Mobile menu contrast */
.mobile-menu a {
  color: var(--color-white);
}

.mobile-menu a:hover {
  color: var(--color-primary);
}

/* Breadcrumb contrast */
.breadcrumb a {
  color: var(--color-link);
}

.breadcrumb a:hover {
  color: var(--color-link-hover);
}

.breadcrumb span {
  color: var(--color-text-primary);
}

/* Sidebar navigation contrast */
.category-nav a {
  color: var(--color-text-secondary);
}

.category-nav a:hover,
.category-nav a.active {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* Footer contrast improvements */
footer {
  background-color: #111827; /* Gray-900 - Darker for better contrast */
}

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

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

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --color-text-primary: #000000;
    --color-text-secondary: #1f2937;
    --color-link: #0000ee;
    --color-link-hover: #0000cc;
    --color-primary: #cc7a00; /* Darker yellow for high contrast */
    --color-button-primary: #cc7a00;
    --color-button-primary-hover: #b36b00;
  }
  
  .case-study-card {
    border: 2px solid var(--color-text-primary);
  }
  
  .case-study-card:focus-visible {
    outline: 4px solid var(--color-primary);
    outline-offset: 2px;
  }
}

/* Enhanced mobile navigation accessibility */
.mobile-menu a:focus-visible,
.mobile-dropdown-content a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  background-color: rgba(245, 158, 11, 0.1);
}

/* Form focus states */
input:focus,
textarea:focus,
select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1);
}

/* Button focus states */
button:focus-visible {
  transform: translateY(-1px);
}

/* Navigation focus management */
.nav-focus-trap {
  position: relative;
}

.nav-focus-trap:focus-within {
  z-index: 1000;
}

/* Enhanced Loading States */
.card-image.loading {
  background: linear-gradient(90deg, var(--color-gray-100) 25%, var(--color-gray-50) 50%, var(--color-gray-100) 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
  position: relative;
}

.card-image.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 24px;
  height: 24px;
  margin: -12px 0 0 -12px;
  border: 2px solid var(--color-gray-300);
  border-top: 2px solid var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.card-image.loaded {
  background: transparent;
}

.card-image.error {
  background: var(--color-gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-image.error::after {
  content: '⚠️';
  font-size: 24px;
  color: var(--color-gray-500);
}

.case-study-card.loading-navigation {
  opacity: 0.7;
  pointer-events: none;
}

.case-study-card.touch-active {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
}

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

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  .card-image.loading {
    animation: none;
    background: var(--color-gray-100);
  }
  
  .card-image.loading::after {
    animation: none;
    border: 2px solid var(--color-gray-300);
  }
}

/* Utility Classes */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 16px;
}

@media (min-width: 768px) {
  .container {
    padding: 0 24px;
  }
}

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

/* Print Styles */
@media print {
  .case-study-card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid var(--color-gray-100);
  }
  
  .card-image img {
    filter: grayscale(100%);
  }
}

/* Case Study Detail Page Styles */

/* Detail Layout Grid */
.detail-layout {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}

@media (min-width: 1024px) {
  .detail-layout {
    grid-template-columns: 250px 1fr;
    gap: 3rem;
  }
}

/* Sidebar Navigation */
.sidebar-nav {
  background: var(--color-gray-50);
  border-radius: 8px;
  padding: 1.5rem;
  height: fit-content;
  position: sticky;
  top: 6rem;
  border: 1px solid var(--color-gray-100);
}

.sidebar-nav h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--color-gray-800);
}

.category-nav {
  list-style: none;
  padding: 0;
  margin: 0;
}

.category-nav li {
  margin-bottom: 0.5rem;
}

.category-nav a {
  display: block;
  padding: 0.5rem 0.75rem;
  color: var(--color-gray-700);
  text-decoration: none;
  border-radius: 4px;
  transition: var(--transition-base);
  font-size: var(--font-size-body-mobile);
  min-height: var(--min-touch-target);
  line-height: 1.5;
}

.category-nav a:hover,
.category-nav a.active {
  background-color: var(--color-primary);
  color: var(--color-white);
}

@media (min-width: 768px) {
  .category-nav a {
    font-size: var(--font-size-body-tablet);
  }
}

@media (min-width: 1024px) {
  .category-nav a {
    font-size: var(--font-size-body-desktop);
  }
}

/* Breadcrumb Navigation */
.breadcrumb {
  background: var(--color-gray-50);
  padding: 1rem 0;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--color-gray-100);
}

.breadcrumb nav {
  font-size: var(--font-size-body-mobile);
  color: var(--color-gray-700);
}

.breadcrumb a {
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition-fast);
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb span {
  color: var(--color-gray-800);
  font-weight: 500;
}

@media (min-width: 768px) {
  .breadcrumb nav {
    font-size: var(--font-size-body-tablet);
  }
}

@media (min-width: 1024px) {
  .breadcrumb nav {
    font-size: var(--font-size-body-desktop);
  }
}

/* Case Study Header */
.case-header {
  margin-bottom: 2rem;
}

.case-header h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-gray-800);
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

@media (min-width: 768px) {
  .case-header h1 {
    font-size: 2.5rem;
  }
}

@media (min-width: 1024px) {
  .case-header h1 {
    font-size: 3rem;
  }
}

/* Hero Image Container */
.case-header picture {
  display: block;
  width: 100%;
  aspect-ratio: 4/3;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition-base);
  background-color: var(--color-gray-100);
}

.case-header picture:hover {
  box-shadow: var(--shadow-card-hover);
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
  transition: var(--transition-base);
  display: block;
}

.hero-image:hover {
  transform: scale(1.02);
}

/* Case Study Content */
.case-content {
  line-height: 1.7;
  color: var(--color-gray-700);
  font-size: var(--font-size-body-mobile);
}

.case-content h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-gray-800);
  margin: 2rem 0 1rem 0;
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: 0.5rem;
}

.case-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-gray-800);
  margin: 1.5rem 0 0.75rem 0;
}

.case-content h4 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-gray-800);
  margin: 1rem 0 0.5rem 0;
}

.case-content p {
  margin-bottom: 1rem;
}

.case-content ul,
.case-content ol {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

.case-content li {
  margin-bottom: 0.5rem;
}

.case-content strong {
  font-weight: 600;
  color: var(--color-gray-800);
}

.case-content em {
  font-style: italic;
  color: var(--color-gray-700);
}

.case-content blockquote {
  border-left: 4px solid var(--color-primary);
  padding-left: 1rem;
  margin: 1.5rem 0;
  font-style: italic;
  color: var(--color-gray-700);
  background: var(--color-gray-50);
  padding: 1rem;
  border-radius: 0 4px 4px 0;
}

.case-content img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  margin: 1rem 0;
  box-shadow: var(--shadow-card);
}

.case-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: var(--font-size-body-mobile);
}

.case-content th,
.case-content td {
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--color-gray-100);
}

.case-content th {
  background-color: var(--color-gray-50);
  font-weight: 600;
  color: var(--color-gray-800);
}

@media (min-width: 768px) {
  .case-content {
    font-size: var(--font-size-body-tablet);
  }
  
  .case-content h2 {
    font-size: 1.75rem;
  }
  
  .case-content h3 {
    font-size: 1.375rem;
  }
  
  .case-content table {
    font-size: var(--font-size-body-tablet);
  }
}

@media (min-width: 1024px) {
  .case-content {
    font-size: var(--font-size-body-desktop);
  }
  
  .case-content h2 {
    font-size: 2rem;
  }
  
  .case-content h3 {
    font-size: 1.5rem;
  }
  
  .case-content table {
    font-size: var(--font-size-body-desktop);
  }
}

/* Mobile Sidebar Toggle */
.mobile-sidebar-toggle {
  display: block;
  width: 100%;
  padding: 0.75rem;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: 4px;
  font-weight: 500;
  margin-bottom: 1rem;
  cursor: pointer;
  transition: var(--transition-base);
  min-height: var(--min-touch-target);
  font-size: var(--font-size-body-mobile);
}

.mobile-sidebar-toggle:hover {
  background: #d97706; /* Darker shade of primary color */
}

@media (min-width: 768px) {
  .mobile-sidebar-toggle {
    font-size: var(--font-size-body-tablet);
  }
}

@media (min-width: 1024px) {
  .mobile-sidebar-toggle {
    display: none;
  }
}

.sidebar-nav.mobile-hidden {
  display: none;
}

@media (min-width: 1024px) {
  .sidebar-nav.mobile-hidden {
    display: block;
  }
}

/* Focus States for Detail Page */
.mobile-sidebar-toggle:focus-visible,
.category-nav a:focus-visible,
.breadcrumb a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Print Styles for Detail Pages */
@media print {
  .sidebar-nav,
  .mobile-sidebar-toggle,
  .breadcrumb {
    display: none;
  }
  
  .detail-layout {
    grid-template-columns: 1fr;
  }
  
  .case-header h1 {
    font-size: 2rem;
    color: black;
  }
  
  .case-content {
    color: black;
    font-size: 12pt;
    line-height: 1.5;
  }
  
  .case-content h2,
  .case-content h3,
  .case-content h4 {
    color: black;
  }
  
  .hero-image {
    max-height: 300px;
    object-fit: cover;
  }
}

/* Accessibility Testing Indicator */
.contrast-test-mode {
  position: fixed;
  top: 10px;
  right: 10px;
  background: #000;
  color: #fff;
  padding: 8px 12px;
  border-radius: 4px;
  font-size: 12px;
  z-index: 9999;
  font-family: monospace;
}

.contrast-test-mode.pass {
  background: #059669;
}

.contrast-test-mode.fail {
  background: #dc2626;
}

/* Enhanced focus indicators for better visibility */
*:focus-visible {
  outline: 3px solid var(--color-focus-ring, #2563eb);
  outline-offset: 2px;
}

/* Ensure minimum touch target sizes */
button,
input[type="button"],
input[type="submit"],
input[type="reset"],
a {
  min-height: 44px;
  min-width: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Exception for inline links in text */
p a,
li a,
span a {
  min-height: auto;
  min-width: auto;
  display: inline;
}

/* Ensure proper color contrast for all states */
.case-study-card:hover .card-title {
  color: var(--color-text-primary);
}

.case-study-card:hover .card-description {
  color: var(--color-text-secondary);
}

/* Status indicators with proper contrast */
.status-success {
  background-color: var(--color-success);
  color: white;
}

.status-error {
  background-color: var(--color-error);
  color: white;
}

.status-warning {
  background-color: var(--color-warning);
  color: white;
}

/* Ensure form validation messages have proper contrast */
.form-error {
  color: var(--color-error);
  font-weight: 600;
}

.form-success {
  color: var(--color-success);
  font-weight: 600;
}

/* Loading states with proper contrast */
.loading-text {
  color: var(--color-text-muted);
}

/* Disabled states with sufficient contrast */
button:disabled,
input:disabled,
textarea:disabled,
select:disabled {
  background-color: #f3f4f6;
  color: #6b7280;
  border-color: #d1d5db;
  cursor: not-allowed;
}

/* Ensure disabled elements still meet minimum contrast */
button:disabled {
  opacity: 0.6;
}

/* Selection colors with proper contrast */
::selection {
  background-color: var(--color-primary);
  color: var(--color-button-text);
}

::-moz-selection {
  background-color: var(--color-primary);
  color: var(--color-button-text);
}

/* CLS Prevention for All Images */
img {
  height: auto;
  max-width: 100%;
}

img[width][height] {
  aspect-ratio: attr(width) / attr(height);
}

/* Responsive Images in Content */
.case-content .image-gallery {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 1.5rem 0;
}

@media (min-width: 768px) {
  .case-content .image-gallery {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .case-content .image-gallery {
    grid-template-columns: repeat(3, 1fr);
  }
}

.case-content .image-gallery img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 4px;
  margin: 0;
}

/* Call-to-Action Sections in Content */
.case-content .cta-section {
  background: var(--color-gray-50);
  border: 1px solid var(--color-gray-100);
  border-radius: 8px;
  padding: 1.5rem;
  margin: 2rem 0;
  text-align: center;
}

.case-content .cta-section h3 {
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.case-content .cta-button {
  display: inline-block;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-base);
  margin-top: 1rem;
}

.case-content .cta-button:hover {
  background: #d97706;
  transform: translateY(-2px);
}

/* Highlight Boxes */
.case-content .highlight-box {
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  border-left: 4px solid var(--color-primary);
  padding: 1rem;
  margin: 1.5rem 0;
  border-radius: 0 4px 4px 0;
}

.case-content .highlight-box h4 {
  color: var(--color-primary);
  margin-top: 0;
}

/* Statistics/Metrics Display */
.case-content .metrics-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 2rem 0;
}

@media (min-width: 768px) {
  .case-content .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .case-content .metrics-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.case-content .metric-item {
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  border-radius: 8px;
  padding: 1.5rem;
  text-align: center;
  box-shadow: var(--shadow-card);
}

.case-content .metric-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  display: block;
  margin-bottom: 0.5rem;
}

.case-content .metric-label {
  font-size: var(--font-size-body-mobile);
  color: var(--color-gray-700);
  font-weight: 500;
}

@media (min-width: 768px) {
  .case-content .metric-label {
    font-size: var(--font-size-body-tablet);
  }
}

@media (min-width: 1024px) {
  .case-content .metric-label {
    font-size: var(--font-size-body-desktop);
  }
}