/* Modern Visual Enhancements for Portal Scrum */

/* Enhanced Color Palette */

:root {
  --primary-blue: #0066cc;
  --primary-dark: #004499;
  --accent-green: #28a745;
  --accent-teal: #20c997;
  --purple-ai: #6c5ce7;
  --purple-light: #a29bfe;
  --orange-warm: #fd7e14;
  --yellow-bright: #ffc107;
  --gradient-primary: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-dark) 100%);
  --gradient-success: linear-gradient(135deg, var(--accent-green) 0%, var(--accent-teal) 100%);
  --gradient-ai: linear-gradient(135deg, var(--purple-ai) 0%, var(--purple-light) 100%);
  --gradient-warm: linear-gradient(135deg, var(--orange-warm) 0%, var(--yellow-bright) 100%);
  --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.15);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.2);
  --shadow-xl: 0 20px 40px rgba(0,0,0,0.25);
  --transition-fast: all 0.2s ease;
  --transition-normal: all 0.3s ease;
  --transition-slow: all 0.5s ease;
}

/* Enhanced Typography */

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 400;
  letter-spacing: -0.011em;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  letter-spacing: -0.025em;
}

/* Enhanced Header */

.header {
  background: var(--gradient-primary);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  box-shadow: var(--shadow-md);
}

.header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
}

.logo-img {
  transition: var(--transition-normal);
  filter: drop-shadow(2px 2px 4px rgba(0,0,0,0.2));
}

.logo:hover .logo-img {
  transform: scale(1.05) rotate(5deg);
}

/* Enhanced Navigation */

.nav-link {
  position: relative;
  transition: var(--transition-fast);
  font-weight: 500;
}

.nav-link::before {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-success);
  transition: width 0.3s ease;
}

.nav-link:hover::before, .nav-link.active::before {
  width: 100%;
}

/* Enhanced Hero Section */

.hero {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(0,102,204,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.5;
}

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

.hero-title {
  color: var(--primary-blue);
  text-shadow: 1px 1px 2px rgba(255,255,255,0.8);
  font-weight: 800;
  background: none;
}

.hero-subtitle {
  color: #495057;
  font-weight: 500;
  text-shadow: 1px 1px 2px rgba(255,255,255,0.7);
}

/* Enhanced Buttons */

.btn {
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  letter-spacing: 0.5px;
  position: relative;
  overflow: hidden;
  transform: translateY(0);
  transition: var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-primary {
  background: var(--gradient-primary);
  border: none;
}

.btn-secondary {
  background: var(--gradient-success);
  border: none;
}

/* Enhanced Cards */

.feature-card, .partner-card, .blog-card, .article-card, .course-card {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 16px;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.feature-card::before, .partner-card::before, .blog-card::before, .article-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.feature-card:hover::before, .partner-card:hover::before, .blog-card:hover::before, .article-card:hover::before {
  transform: scaleX(1);
}

.feature-card:hover, .partner-card:hover, .blog-card:hover, .article-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-xl);
  border-color: rgba(0,102,204,0.3);
}

/* Enhanced Feature Icons */

.feature-icon {
  font-size: 3.5rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(2px 2px 4px rgba(0,0,0,0.1));
  color: var(--primary-blue);
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background-color: rgba(0, 102, 204, 0.1);
  border-radius: 50%;
  margin: 0 auto 1rem;
}

/* Icon alternatives using CSS shapes and symbols */

.feature-icon::before {
  content: attr(data-icon);
  font-size: 2.5rem;
  font-weight: bold;
}

/* Enhanced Partners Section */

.partners {
  background: linear-gradient(135deg, #f8f9fa 0%, #e3f2fd 100%);
}

.partner-card h3 {
  color: var(--primary-dark);
  font-weight: 600;
}

.partner-card p {
  color: #495057;
  font-weight: 400;
}

/* Enhanced feature cards text contrast */

.feature-card h3 {
  color: var(--primary-dark) !important;
  font-weight: 600 !important;
}

.feature-card p {
  color: #495057 !important;
  font-weight: 400 !important;
  line-height: 1.6 !important;
}

.partner-info {
  position: relative;
}

.partner-info::before {
  content: '';
  position: absolute;
  top: -10px;
  left: -10px;
  right: -10px;
  bottom: -10px;
  background: var(--gradient-primary);
  border-radius: 20px;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
}

.partner-card:hover .partner-info::before {
  opacity: 0.05;
}

/* Enhanced Blog Section */

.blog-preview {
  background: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%);
}

.article-category {
  background: var(--gradient-primary);
  color: white;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  position: absolute;
  top: 12px;
  right: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.article-tags .tag {
  background: var(--gradient-ai);
  color: white;
  padding: 4px 8px;
  border-radius: 12px;
  font-size: 0.7rem;
  font-weight: 500;
  margin: 0 4px 4px 0;
  display: inline-block;
}

/* Enhanced Newsletter */

.newsletter {
  background: var(--gradient-primary);
  position: relative;
}

.newsletter::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 60"><circle cx="30" cy="30" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
  animation: float 20s ease-in-out infinite;
}

.newsletter-form {
  position: relative;
  z-index: 1;
}

.newsletter-form input {
  border-radius: 25px;
  border: 2px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: var(--transition-normal);
}

.newsletter-form input:focus {
  border-color: var(--accent-teal);
  box-shadow: 0 0 0 3px rgba(32, 206, 151, 0.2);
  transform: scale(1.02);
}

/* Enhanced Footer */

.footer {
  background: linear-gradient(135deg, #2d3748 0%, #1a202c 100%);
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
}

.social-links a {
  background: rgba(255,255,255,0.1);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-normal);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.social-links a:hover {
  background: var(--gradient-success);
  transform: translateY(-3px) scale(1.1);
}

/* Enhanced Animations */

@keyframes float {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  33% {
    transform: translateY(-10px) rotate(2deg);
  }
  66% {
    transform: translateY(5px) rotate(-1deg);
  }
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 5px rgba(0,102,204,0.5);
  }
  50% {
    box-shadow: 0 0 20px rgba(0,102,204,0.8), 0 0 30px rgba(0,102,204,0.4);
  }
}

@keyframes slide-in-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Scroll-triggered animations */

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: var(--transition-slow);
}

.animate-on-scroll.animate {
  opacity: 1;
  transform: translateY(0);
}

/* Enhanced Loading States */

.loading {
  position: relative;
  overflow: hidden;
}

.loading::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  animation: loading-shimmer 1.5s infinite;
}

@keyframes loading-shimmer {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

/* Enhanced Responsive Design */

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.2rem;
    line-height: 1.2;
  }
}

@media (max-width: 768px) {
  .feature-card, .partner-card, .blog-card, .article-card {
    transform: none;
  }
}

@media (max-width: 768px) {
  .feature-card:hover, .partner-card:hover, .blog-card:hover, .article-card:hover {
    transform: translateY(-4px);
  }
}

/* Dark mode support (future enhancement) */

@media (prefers-color-scheme: dark) {
  .feature-card, .partner-card, .blog-card, .article-card {
    background: rgba(45, 55, 72, 0.95);
    color: #f7fafc;
    border-color: rgba(255,255,255,0.1);
  }
}

/* Accessibility enhancements */

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

/* Focus indicators */

.btn:focus, input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--accent-teal);
  outline-offset: 2px;
}

/* TaskTracker Advanced Features Styles */

/* Kanban Concepts Grid */

.kanban-concepts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.concept-card {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 16px;
  padding: 2rem;
  transition: var(--transition-normal);
  text-align: center;
}

.concept-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.concept-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: block;
}

.concept-features {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
  justify-content: center;
}

.feature-badge {
  background: var(--gradient-primary);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 500;
}

/* Sprint Re-estimation Table */

.reestimation-explanation {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.explanation-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem;
  background: rgba(255,255,255,0.95);
  border-radius: 12px;
  border-left: 4px solid var(--primary-blue);
}

.explanation-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.explanation-content h3 {
  color: var(--primary-dark);
  margin-bottom: 0.5rem;
}

.sprint-table-wrapper {
  overflow-x: auto;
  margin: 2rem 0;
  border-radius: 12px;
  box-shadow: var(--shadow-md);
}

.sprint-reestimation-table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  font-size: 0.9rem;
}

.sprint-reestimation-table th {
  background: var(--gradient-primary);
  color: white;
  padding: 1rem 0.75rem;
  font-weight: 600;
  text-align: center;
}

.sprint-reestimation-table td {
  padding: 0.75rem;
  text-align: center;
  border-bottom: 1px solid #eee;
}

.sprint-reestimation-table tbody tr:hover {
  background-color: rgba(0,102,204,0.05);
}

.final-day {
  background-color: rgba(40,167,69,0.1) !important;
  font-weight: 600;
}

.variance-positive {
  color: #dc3545;
  font-weight: 600;
}

.variance-negative {
  color: #28a745;
  font-weight: 600;
}

.variance-neutral {
  color: #6c757d;
  font-weight: 600;
}

.status-ontrack {
  color: #28a745;
  font-weight: 500;
}

.status-ahead {
  color: #007bff;
  font-weight: 500;
}

.status-risk {
  color: #ffc107;
  font-weight: 500;
}

.status-complete {
  color: #28a745;
  font-weight: 600;
}

.reestimation-benefits {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.benefit-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: rgba(255,255,255,0.95);
  border-radius: 8px;
  border: 1px solid rgba(0,102,204,0.1);
}

.benefit-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

/* Predictive Analysis Styles */

.predictive-analysis-overview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.analysis-card {
  display: flex;
  gap: 1.5rem;
  padding: 2rem;
  background: var(--gradient-ai);
  color: white;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
}

.analysis-icon {
  font-size: 3rem;
  flex-shrink: 0;
}

.analysis-content h3 {
  color: white;
  margin-bottom: 1rem;
}

.features-prediction-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.prediction-feature {
  padding: 1.5rem;
  background: rgba(255,255,255,0.95);
  border-radius: 12px;
  border: 1px solid rgba(0,102,204,0.1);
  text-align: center;
}

.prediction-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
}

.prediction-example {
  margin-top: 1rem;
  padding: 0.75rem;
  background: rgba(0,102,204,0.05);
  border-radius: 8px;
  font-size: 0.9rem;
}

.prediction-label {
  font-weight: 600;
  color: var(--primary-dark);
  display: block;
  margin-bottom: 0.25rem;
}

.prediction-value {
  font-weight: 500;
}

.prediction-value.success {
  color: #28a745;
}

.prediction-value.warning {
  color: #ffc107;
}

.prediction-value.info {
  color: #17a2b8;
}

.prediction-value.danger {
  color: #dc3545;
}

/* Regression Formula Styles */

.regression-formula {
  margin-top: 3rem;
  padding: 2rem;
  background: rgba(0,102,204,0.05);
  border-radius: 16px;
  border: 1px solid rgba(0,102,204,0.1);
}

.formula-container {
  text-align: center;
}

.formula-display {
  background: var(--primary-dark);
  color: white;
  padding: 1.5rem;
  border-radius: 12px;
  margin: 1.5rem 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.1rem;
  overflow-x: auto;
}

.formula-variables {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.variable-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  background: white;
  border-radius: 8px;
  font-size: 0.9rem;
}

.var-symbol {
  font-family: 'JetBrains Mono', monospace;
  font-weight: bold;
  color: var(--primary-blue);
  background: rgba(0,102,204,0.1);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  flex-shrink: 0;
}

/* WIP System Styles */

.wip-system-overview {
  margin: 2rem 0;
}

.wip-explanation {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 2rem;
  padding: 2rem;
  background: rgba(255,255,255,0.95);
  border-radius: 16px;
  border: 1px solid rgba(0,102,204,0.1);
}

.wip-alerts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.wip-alert-card {
  padding: 2rem;
  background: rgba(255,255,255,0.95);
  border-radius: 16px;
  text-align: center;
  border: 2px solid transparent;
  transition: var(--transition-normal);
}

.wip-alert-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.wip-alert-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: block;
}

.wip-alert-icon.success {
  color: #28a745;
}

.wip-alert-icon.warning {
  color: #ffc107;
}

.wip-alert-icon.danger {
  color: #dc3545;
}

.wip-status-good {
  background: linear-gradient(135deg, #28a745, #20c997);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  display: inline-block;
  margin-top: 1rem;
}

.wip-status-warning {
  background: linear-gradient(135deg, #ffc107, #fd7e14);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  display: inline-block;
  margin-top: 1rem;
}

.wip-status-critical {
  background: linear-gradient(135deg, #dc3545, #c82333);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  display: inline-block;
  margin-top: 1rem;
}

.global-alerts-system {
  margin-top: 3rem;
}

.alerts-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.alert-feature {
  display: flex;
  gap: 1.5rem;
  padding: 2rem;
  background: rgba(255,255,255,0.95);
  border-radius: 16px;
  border: 1px solid rgba(0,102,204,0.1);
  transition: var(--transition-normal);
}

.alert-feature:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.alert-feature-icon {
  font-size: 2.5rem;
  flex-shrink: 0;
  color: var(--primary-blue);
}

.alert-feature-content h4 {
  color: var(--primary-dark);
  margin-bottom: 0.75rem;
}

.alert-feature-content p {
  color: #495057;
  line-height: 1.6;
}

/* Responsive Design for Advanced Features */

@media (max-width: 768px) {
  .kanban-concepts-grid, .reestimation-explanation, .predictive-analysis-overview, .features-prediction-grid, .formula-variables, .wip-alerts-grid, .alerts-features {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

@media (max-width: 768px) {
  .analysis-card, .alert-feature {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 768px) {
  .formula-display {
    font-size: 0.9rem;
    padding: 1rem;
  }
}

@media (max-width: 768px) {
  .sprint-table-wrapper {
    font-size: 0.8rem;
  }
}

/* Compact Guides Grid System */

.compact-guides-grid {
  margin: 3rem 0;
}

.guide-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

/* Compact Cards with Varied Colors */

.compact-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  border-radius: 12px;
  transition: var(--transition-normal);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(255,255,255,0.2);
  position: relative;
  overflow: hidden;
}

.compact-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: rgba(255,255,255,0.3);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.compact-card:hover::before {
  transform: scaleX(1);
}

.compact-card:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--shadow-lg);
}

/* Color Variations */

.compact-card.green {
  background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
  color: white;
}

.compact-card.blue {
  background: linear-gradient(135deg, #0066cc 0%, #17a2b8 100%);
  color: white;
}

.compact-card.orange {
  background: linear-gradient(135deg, #fd7e14 0%, #ffc107 100%);
  color: white;
}

.compact-card.purple {
  background: linear-gradient(135deg, #6c5ce7 0%, #a29bfe 100%);
  color: white;
}

.compact-card.teal {
  background: linear-gradient(135deg, #20c997 0%, #17a2b8 100%);
  color: white;
}

.compact-card.red {
  background: linear-gradient(135deg, #dc3545 0%, #e83e8c 100%);
  color: white;
}

.compact-card.indigo {
  background: linear-gradient(135deg, #6610f2 0%, #6c5ce7 100%);
  color: white;
}

.compact-card.pink {
  background: linear-gradient(135deg, #e83e8c 0%, #fd7e14 100%);
  color: white;
}

.compact-card.yellow {
  background: linear-gradient(135deg, #ffc107 0%, #fd7e14 100%);
  color: white;
}

.compact-card .card-icon {
  font-size: 2.5rem;
  flex-shrink: 0;
  filter: drop-shadow(2px 2px 4px rgba(0,0,0,0.2));
}

.compact-card .card-content {
  flex: 1;
}

.compact-card .card-content h3 {
  margin: 0 0 0.5rem 0;
  font-size: 1.1rem;
  font-weight: 600;
}

.compact-card .card-content h3 a {
  color: inherit;
  text-decoration: none;
}

.compact-card .card-content h3 a:hover {
  text-decoration: underline;
}

.compact-card .card-content p {
  margin: 0 0 0.75rem 0;
  font-size: 0.9rem;
  opacity: 0.9;
  line-height: 1.4;
}

.compact-card .difficulty {
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: inline-block;
}

/* Testimonials Compact */

.testimonials-compact {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.testimonial-card-compact {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(0,102,204,0.1);
  border-radius: 12px;
  padding: 1.5rem;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.testimonial-card-compact::before {
  content: '"';
  position: absolute;
  top: -5px;
  left: 10px;
  font-size: 3rem;
  color: rgba(0,102,204,0.1);
  font-family: serif;
  line-height: 1;
}

.testimonial-card-compact:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-blue);
}

.testimonial-card-compact .stars {
  font-size: 1rem;
  margin-bottom: 1rem;
}

.testimonial-card-compact p {
  font-style: italic;
  color: #495057;
  margin-bottom: 1rem;
  font-size: 0.95rem;
  line-height: 1.5;
  position: relative;
  z-index: 1;
}

.testimonial-card-compact .author {
  border-top: 1px solid rgba(0,102,204,0.1);
  padding-top: 0.75rem;
}

.testimonial-card-compact .author strong {
  color: var(--primary-dark);
  font-weight: 600;
  display: block;
  margin-bottom: 0.25rem;
}

.testimonial-card-compact .author span {
  color: #6c757d;
  font-size: 0.85rem;
}

/* Quick Tools Section */

.quick-tools {
  background: linear-gradient(135deg, #f8f9fa 0%, #e3f2fd 100%);
  padding: 4rem 0;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.tool-card {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(0,102,204,0.1);
  border-radius: 12px;
  padding: 2rem 1.5rem;
  text-align: center;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.tool-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.tool-card:hover::before {
  transform: scaleX(1);
}

.tool-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-blue);
}

.tool-card .tool-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: block;
  filter: grayscale(20%);
}

.tool-card:hover .tool-icon {
  filter: grayscale(0%);
  transform: scale(1.1);
}

.tool-card h3 {
  color: var(--primary-dark);
  margin-bottom: 0.75rem;
  font-size: 1.2rem;
}

.tool-card h3 a {
  color: inherit;
  text-decoration: none;
}

.tool-card h3 a:hover {
  color: var(--primary-blue);
}

.tool-card p {
  color: #495057;
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 1rem;
}

.tool-tag {
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: inline-block;
}

.tool-tag.free {
  background: linear-gradient(135deg, #28a745, #20c997);
  color: white;
}

.tool-tag.premium {
  background: linear-gradient(135deg, #ffc107, #fd7e14);
  color: white;
}

/* Main Content Column */

.content-main {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: var(--shadow-md);
}

/* Atlassian Content Column */

.atlassian-content {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: var(--shadow-md);
  border-left: 4px solid var(--primary-blue);
}

.atlassian-content h2 {
  color: var(--primary-dark);
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.atlassian-content h2::before {
  content: '🔷';
  font-size: 1.2rem;
}

/* Sidebar Column */

.sidebar {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
}

/* Atlassian Cards */

.atlassian-card {
  background: rgba(255,255,255,0.95);
  border: 1px solid rgba(0,102,204,0.2);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.atlassian-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.atlassian-card:hover::before {
  transform: scaleX(1);
}

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

.atlassian-card.featured {
  border-color: var(--accent-green);
  background: linear-gradient(135deg, rgba(40,167,69,0.05) 0%, rgba(255,255,255,0.95) 100%);
}

.atlassian-card.featured::before {
  background: var(--gradient-success);
}

/* Atlassian Card Header */

.atlassian-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.atlassian-badge {
  background: var(--gradient-primary);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.card-level {
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.card-level.beginner {
  background: linear-gradient(135deg, #28a745, #20c997);
  color: white;
}

.card-level.intermediate {
  background: linear-gradient(135deg, #ffc107, #fd7e14);
  color: white;
}

.card-level.expert {
  background: linear-gradient(135deg, #dc3545, #c82333);
  color: white;
}

/* Atlassian Features */

.atlassian-features {
  margin: 1.5rem 0;
}

.atlassian-feature {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(0,102,204,0.1);
}

.atlassian-feature:last-child {
  border-bottom: none;
}

.atlassian-feature-icon {
  font-size: 1.2rem;
  color: var(--primary-blue);
  flex-shrink: 0;
}

.atlassian-feature-text {
  font-size: 0.9rem;
  color: #495057;
}

/* Learning Path in Atlassian Column */

.atlassian-learning-path {
  margin-top: 2rem;
}

.path-step {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 0;
  border-left: 2px solid rgba(0,102,204,0.2);
  padding-left: 1.5rem;
  position: relative;
}

.path-step::before {
  content: attr(data-step);
  position: absolute;
  left: -10px;
  top: 1rem;
  width: 20px;
  height: 20px;
  background: var(--gradient-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 600;
}

.path-step-content h4 {
  color: var(--primary-dark);
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
}

.path-step-content p {
  color: #6c757d;
  font-size: 0.85rem;
  margin: 0;
}

/* Guide Cards in Main Content */

.guide-card {
  background: rgba(255,255,255,0.95);
  border: 1px solid rgba(0,102,204,0.2);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.guide-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.guide-card:hover::before {
  transform: scaleX(1);
}

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

.guide-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.guide-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.guide-level-badge {
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.guide-level-badge.beginner {
  background: linear-gradient(135deg, #28a745, #20c997);
  color: white;
}

.guide-level-badge.intermediate {
  background: linear-gradient(135deg, #ffc107, #fd7e14);
  color: white;
}

.guide-level-badge.advanced {
  background: linear-gradient(135deg, #6c5ce7, #a29bfe);
  color: white;
}

.guide-level-badge.expert {
  background: linear-gradient(135deg, #dc3545, #c82333);
  color: white;
}

.guide-level-badge.practical {
  background: linear-gradient(135deg, #20c997, #17a2b8);
  color: white;
}

/* Testimonials */

.testimonial-card {
  background: rgba(255,255,255,0.95);
  border: 1px solid rgba(0,102,204,0.2);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  position: relative;
  overflow: hidden;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: -10px;
  left: 15px;
  font-size: 4rem;
  color: rgba(0,102,204,0.1);
  font-family: serif;
  line-height: 1;
}

.testimonial-content {
  position: relative;
  z-index: 1;
}

.testimonial-text {
  font-style: italic;
  color: #495057;
  margin-bottom: 1rem;
  line-height: 1.6;
}

.testimonial-author {
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: 0.25rem;
}

.testimonial-role {
  font-size: 0.85rem;
  color: #6c757d;
}

/* Sidebar Widgets */

.sidebar-widget {
  background: rgba(255,255,255,0.95);
  border: 1px solid rgba(0,102,204,0.1);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.sidebar-widget h3 {
  color: var(--primary-dark);
  font-size: 1.1rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.widget-list li {
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(0,102,204,0.1);
}

.widget-list li:last-child {
  border-bottom: none;
}

.widget-list a {
  color: #495057;
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

.widget-list a:hover {
  color: var(--primary-blue);
}

.widget-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
}

.widget-stat {
  text-align: center;
  padding: 1rem;
  background: rgba(0,102,204,0.05);
  border-radius: 8px;
}

.widget-stat-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-blue);
  display: block;
}

.widget-stat-label {
  font-size: 0.75rem;
  color: #6c757d;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Responsive Design for 3-Column Layout */

@media (max-width: 1200px) {
  .content-layout-three {
    grid-template-columns: 1fr 320px 280px;
    gap: 1.5rem;
  }
}

@media (max-width: 992px) {
  .content-layout-three {
    grid-template-columns: 1fr 300px;
    gap: 1.5rem;
  }
}

@media (max-width: 992px) {
  .atlassian-content {
    display: none;
  }
}

@media (max-width: 768px) {
  .content-layout-three {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

@media (max-width: 768px) {
  .atlassian-content, .sidebar {
    display: none;
  }
}

@media (max-width: 768px) {
  .main-content {
    padding: 2rem 0;
  }
}

@media (max-width: 768px) {
  .content-main {
    padding: 1.5rem;
  }
}

/* High contrast mode */

@media (prefers-contrast: high) {
  .feature-card, .partner-card, .blog-card, .article-card, .concept-card, .prediction-feature, .wip-alert-card, .alert-feature, .atlassian-card, .guide-card, .testimonial-card {
    border: 2px solid #000;
  }
}

@media (prefers-contrast: high) {
  .btn {
    border: 2px solid #000;
  }
}