/* ===== TRAE UI DESIGN SYSTEM ===== */

/* === CSS Variables & Design Tokens === */
:root {
  /* Primary Colors - Modern Blue Palette */
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --primary-200: #bfdbfe;
  --primary-300: #93c5fd;
  --primary-400: #60a5fa;
  --primary-500: #3b82f6;
  --primary-600: #2563eb;
  --primary-700: #1d4ed8;
  --primary-800: #1e40af;
  --primary-900: #1e3a8a;

  /* Secondary Colors - Purple Accent */
  --secondary-50: #faf5ff;
  --secondary-100: #f3e8ff;
  --secondary-200: #e9d5ff;
  --secondary-300: #d8b4fe;
  --secondary-400: #c084fc;
  --secondary-500: #a855f7;
  --secondary-600: #9333ea;
  --secondary-700: #7c3aed;
  --secondary-800: #6b21a8;
  --secondary-900: #581c87;

  /* Neutral Colors */
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  /* Semantic Colors */
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --info: #06b6d4;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-600), var(--secondary-600));
  --gradient-secondary: linear-gradient(135deg, var(--secondary-500), var(--primary-500));
  --gradient-accent: linear-gradient(135deg, var(--primary-400), var(--secondary-400));
  --gradient-dark: linear-gradient(135deg, var(--gray-800), var(--gray-900));

  /* Shadows */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 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);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;

  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;

  /* Line Heights */
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
}

/* === Base Styles === */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--gray-800);
  background: var(--gray-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: var(--leading-tight);
  color: var(--gray-900);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
  margin-bottom: var(--space-4);
  color: var(--gray-600);
  line-height: var(--leading-relaxed);
}

a {
  color: var(--primary-600);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-700);
}

/* === Layout Components === */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding: var(--space-20) 0;
}

.section-sm {
  padding: var(--space-12) 0;
}

.section-lg {
  padding: var(--space-24) 0;
}

/* === Navigation === */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--gray-200);
  transition: all var(--transition-normal);
  padding: var(--space-4) 0;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

/* === Brand === */
.navbar-brand-wrapper {
  flex-shrink: 0;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.brand-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--text-lg);
  transition: transform var(--transition-fast);
}

.navbar-brand:hover .brand-icon {
  transform: scale(1.1) rotate(5deg);
}

.brand-text {
  font-size: var(--text-2xl);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.brand-subtitle {
  font-size: var(--text-sm);
  color: var(--gray-500);
  font-weight: 500;
  margin-left: var(--space-2);
}

/* === Desktop Navigation === */
.navbar-nav-desktop {
  display: none;
  flex: 1;
  justify-content: center;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  color: var(--gray-700);
  text-decoration: none;
  border-radius: var(--radius-lg);
  font-weight: 500;
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.nav-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-fast);
  z-index: -1;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-600);
  background: var(--primary-50);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.nav-link.active::before {
  opacity: 0.1;
}

.nav-link i {
  font-size: var(--text-sm);
  transition: transform var(--transition-fast);
}

.nav-link:hover i {
  transform: scale(1.1);
}

/* === Action Buttons === */
.navbar-actions {
  display: none;
  align-items: center;
  gap: var(--space-2);
}

/* === Mobile Menu Toggle === */
.mobile-menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  gap: 4px;
  transition: all var(--transition-fast);
}

.hamburger-line {
  width: 24px;
  height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.mobile-menu-toggle:hover .hamburger-line {
  background: var(--primary-600);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* === Mobile Navigation === */
.mobile-nav {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--gray-200);
  box-shadow: var(--shadow-lg);
}

.mobile-nav-content {
  padding: var(--space-6);
}

.mobile-nav-header {
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--gray-200);
}

.mobile-nav-menu {
  list-style: none;
  margin: 0;
  padding: 0;
  margin-bottom: var(--space-6);
}

.mobile-nav-item {
  margin-bottom: var(--space-2);
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  color: var(--gray-700);
  text-decoration: none;
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  background: var(--primary-50);
  border-color: var(--primary-200);
  color: var(--primary-700);
  transform: translateX(4px);
}

.mobile-nav-link i:first-child {
  width: 20px;
  text-align: center;
  color: var(--primary-600);
}

.mobile-nav-link span {
  flex: 1;
  font-weight: 500;
}

.mobile-nav-link i:last-child {
  color: var(--gray-400);
  font-size: var(--text-xs);
  transition: transform var(--transition-fast);
}

.mobile-nav-link:hover i:last-child {
  transform: translateX(4px);
}

.mobile-nav-footer {
  padding-top: var(--space-4);
  border-top: 1px solid var(--gray-200);
}

/* === Responsive Navigation === */
@media (min-width: 992px) {
  .navbar-nav-desktop {
    display: flex;
  }
  
  .navbar-actions {
    display: flex;
  }
  
  .mobile-menu-toggle {
    display: none;
  }
  
  .mobile-nav {
    display: none !important;
  }
}

/* Tips Page Styles */
.tips-page {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--primary-50) 0%, var(--secondary-50) 100%);
}

/* Tips Hero Section */
.tips-hero {
  position: relative;
  padding: 8rem 0 6rem;
  overflow: hidden;
  background: linear-gradient(135deg, var(--primary-600) 0%, var(--secondary-600) 100%);
}

.tips-hero .hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}

.tips-hero .hero-pattern {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 25% 25%, rgba(255,255,255,0.1) 2px, transparent 2px),
    radial-gradient(circle at 75% 75%, rgba(255,255,255,0.1) 2px, transparent 2px);
  background-size: 60px 60px;
  animation: float 20s ease-in-out infinite;
}

.tips-hero .hero-gradient {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, rgba(0,0,0,0.1) 0%, transparent 50%, rgba(255,255,255,0.1) 100%);
}

.tips-hero .hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: white;
}

.tips-hero .hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(10px);
  border-radius: 50px;
  font-weight: 600;
  margin-bottom: 2rem;
  border: 1px solid rgba(255,255,255,0.3);
}

.tips-hero .hero-title {
  font-size: 4rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  line-height: 1.1;
}

.tips-hero .hero-description {
  font-size: 1.25rem;
  margin-bottom: 3rem;
  opacity: 0.9;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.tips-hero .hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.tips-hero .stat-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.2);
  transition: all 0.3s ease;
}

.tips-hero .stat-item:hover {
  transform: translateY(-5px);
  background: rgba(255,255,255,0.25);
}

.tips-hero .stat-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.2);
  border-radius: 15px;
  font-size: 1.5rem;
}

.tips-hero .stat-content {
  flex: 1;
  text-align: left;
}

.tips-hero .stat-number {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 0.25rem;
}

.tips-hero .stat-label {
  font-size: 0.9rem;
  opacity: 0.8;
}

/* Tips Filter Section */
.tips-filter {
  padding: 4rem 0;
  background: white;
}

.tips-filter .filter-container {
  background: white;
  border-radius: 24px;
  padding: 2rem;
  box-shadow: 0 10px 40px rgba(0,0,0,0.1);
  border: 1px solid var(--gray-200);
}

.tips-filter .filter-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--gray-200);
}

.tips-filter .filter-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
  margin: 0;
}

.tips-filter .filter-title i {
  color: var(--primary-600);
}

.tips-filter .filter-results {
  padding: 0.5rem 1rem;
  background: var(--primary-50);
  border-radius: 50px;
  color: var(--primary-700);
  font-weight: 600;
}

.tips-filter .filter-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  align-items: end;
}

.tips-filter .filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.tips-filter .filter-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--gray-700);
  font-size: 0.9rem;
}

.tips-filter .filter-select {
  padding: 0.75rem 1rem;
  border: 2px solid var(--gray-200);
  border-radius: 12px;
  background: white;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  cursor: pointer;
}

.tips-filter .filter-select:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.tips-filter .filter-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  justify-content: space-between;
}

.tips-filter .btn-reset {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--gray-100);
  border: none;
  border-radius: 12px;
  color: var(--gray-700);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.tips-filter .btn-reset:hover {
  background: var(--gray-200);
  transform: translateY(-2px);
}

.tips-filter .view-toggle {
  display: flex;
  background: var(--gray-100);
  border-radius: 12px;
  padding: 0.25rem;
}

.tips-filter .view-btn {
  padding: 0.5rem 0.75rem;
  border: none;
  background: transparent;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  color: var(--gray-600);
}

.tips-filter .view-btn.active {
  background: white;
  color: var(--primary-600);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* Tips Gallery */
.tips-gallery {
  padding: 4rem 0;
  background: var(--gray-50);
}

.tips-grid {
  display: grid;
  gap: 2rem;
  margin-bottom: 3rem;
}

.tips-grid[data-view="grid"] {
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
}

.tips-grid[data-view="list"] {
  grid-template-columns: 1fr;
}

.tip-card {
  background: white;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
  cursor: pointer;
  border: 1px solid var(--gray-200);
}

.tip-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.tip-card .card-header {
  position: relative;
  height: 200px;
  background: linear-gradient(135deg, var(--primary-500) 0%, var(--secondary-500) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 3rem;
  overflow: hidden;
}

.tip-card .card-header::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="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.tip-card .card-content {
  padding: 1.5rem;
}

.tip-card .card-badges {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.tip-card .badge {
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
}

.tip-card .badge.category {
  background: var(--primary-100);
  color: var(--primary-700);
}

.tip-card .badge.difficulty {
  background: var(--secondary-100);
  color: var(--secondary-700);
}

.tip-card .card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--gray-900);
  line-height: 1.3;
}

.tip-card .card-description {
  color: var(--gray-600);
  line-height: 1.6;
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tip-card .card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1rem;
  border-top: 1px solid var(--gray-200);
}

.tip-card .card-stats {
  display: flex;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--gray-500);
}

.tip-card .card-stats span {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.tip-card .card-action {
  padding: 0.5rem 1rem;
  background: var(--primary-600);
  color: white;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.tip-card .card-action:hover {
  background: var(--primary-700);
  transform: translateY(-2px);
}

/* List View Styles */
.tips-grid[data-view="list"] .tip-card {
  display: flex;
  align-items: center;
  padding: 1.5rem;
}

.tips-grid[data-view="list"] .tip-card .card-header {
  width: 120px;
  height: 80px;
  border-radius: 12px;
  margin-right: 1.5rem;
  flex-shrink: 0;
  font-size: 2rem;
}

.tips-grid[data-view="list"] .tip-card .card-content {
  flex: 1;
  padding: 0;
}

.tips-grid[data-view="list"] .tip-card .card-description {
  -webkit-line-clamp: 2;
}

/* Load More Button */
.load-more-container {
  text-align: center;
  margin-top: 3rem;
}

.btn-load-more {
  position: relative;
  padding: 1rem 2rem;
  background: var(--primary-600);
  color: white;
  border: none;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  overflow: hidden;
}

.btn-load-more:hover {
  background: var(--primary-700);
  transform: translateY(-2px);
}

.btn-load-more:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.btn-load-more .btn-loader {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.btn-load-more.loading .btn-text {
  opacity: 0;
}

.btn-load-more.loading .btn-loader {
  opacity: 1;
}

.btn-load-more .spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top: 2px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Social Features */
.social-features {
  padding: 6rem 0;
  background: white;
}

.social-header {
  text-align: center;
  margin-bottom: 4rem;
}

.social-header .section-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  color: var(--gray-900);
}

.social-header .section-title i {
  color: var(--primary-600);
}

.social-header .section-description {
  font-size: 1.125rem;
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto;
}

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

.social-card {
  background: white;
  padding: 2rem;
  border-radius: 20px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  border: 1px solid var(--gray-200);
  transition: all 0.3s ease;
}

.social-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.social-card .social-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  background: linear-gradient(135deg, var(--primary-500) 0%, var(--secondary-500) 100%);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: white;
}

.social-card .social-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--gray-900);
}

.social-card .social-description {
  color: var(--gray-600);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.social-card .social-stats {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.social-card .stat {
  padding: 0.5rem 1rem;
  background: var(--gray-100);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-700);
}

.social-card .social-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--primary-600);
  color: white;
  border: none;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.social-card .social-btn:hover {
  background: var(--primary-700);
  transform: translateY(-2px);
}

/* Tip Modal */
.tip-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.tip-modal.active {
  display: flex;
}

.tip-modal .modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.8);
  backdrop-filter: blur(10px);
}

.tip-modal .modal-container {
  position: relative;
  width: 100%;
  max-width: 900px;
  max-height: 90vh;
  background: white;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  animation: modalSlideIn 0.3s ease-out;
}

.tip-modal .modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2rem;
  border-bottom: 1px solid var(--gray-200);
  background: var(--gray-50);
}

.tip-modal .modal-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
  margin: 0;
  flex: 1;
}

.tip-modal .modal-badges {
  display: flex;
  gap: 0.5rem;
  margin: 0 1rem;
}

.tip-modal .modal-close {
  width: 40px;
  height: 40px;
  border: none;
  background: var(--gray-200);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.tip-modal .modal-close:hover {
  background: var(--gray-300);
  transform: scale(1.1);
}

.tip-modal .modal-body {
  max-height: calc(90vh - 200px);
  overflow-y: auto;
}

.tip-modal .modal-content-tabs {
  display: flex;
  background: var(--gray-100);
  padding: 0.5rem;
  margin: 1rem 2rem 0;
  border-radius: 12px;
}

.tip-modal .tab-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border: none;
  background: transparent;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 600;
  color: var(--gray-600);
}

.tip-modal .tab-btn.active {
  background: white;
  color: var(--primary-600);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.tip-modal .modal-content {
  padding: 2rem;
}

.tip-modal .tab-content {
  display: none;
}

.tip-modal .tab-content.active {
  display: block;
}

.tip-modal .modal-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  border-top: 1px solid var(--gray-200);
  background: var(--gray-50);
}

.tip-modal .action-group {
  display: flex;
  gap: 1rem;
}

.tip-modal .action-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--gray-300);
  background: white;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 600;
  color: var(--gray-700);
}

.tip-modal .action-btn:hover {
  background: var(--gray-50);
  transform: translateY(-2px);
}

.tip-modal .action-btn.active {
  background: var(--primary-600);
  color: white;
  border-color: var(--primary-600);
}

.tip-modal .btn-primary {
  padding: 0.75rem 1.5rem;
  background: var(--primary-600);
  color: white;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.tip-modal .btn-primary:hover {
  background: var(--primary-700);
  transform: translateY(-2px);
}

.tip-modal .btn-secondary {
  padding: 0.75rem 1.5rem;
  background: var(--gray-200);
  color: var(--gray-700);
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.tip-modal .btn-secondary:hover {
  background: var(--gray-300);
  transform: translateY(-2px);
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: scale(0.9) translateY(20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* Responsive Design for Tips Page */
@media (max-width: 768px) {
  .tips-hero {
    padding: 6rem 0 4rem;
  }
  
  .tips-hero .hero-title {
    font-size: 2.5rem;
  }
  
  .tips-hero .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
  
  .tips-hero .stat-item {
    padding: 1rem;
  }
  
  .tips-hero .stat-icon {
    width: 50px;
    height: 50px;
    font-size: 1.25rem;
  }
  
  .tips-hero .stat-number {
    font-size: 1.5rem;
  }
  
  .tips-filter .filter-container {
    padding: 1.5rem;
  }
  
  .tips-filter .filter-controls {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .tips-filter .filter-actions {
    flex-direction: column;
    gap: 1rem;
  }
  
  .tips-grid {
    grid-template-columns: 1fr !important;
  }
  
  .social-grid {
    grid-template-columns: 1fr;
  }
  
  .tip-modal .modal-container {
    margin: 1rem;
    max-height: calc(100vh - 2rem);
  }
  
  .tip-modal .modal-header {
    padding: 1.5rem;
  }
  
  .tip-modal .modal-content {
    padding: 1.5rem;
  }
  
  .tip-modal .modal-content-tabs {
    margin: 1rem 1.5rem 0;
  }
  
  .tip-modal .tab-btn {
    padding: 0.5rem;
    font-size: 0.85rem;
  }
  
  .tip-modal .modal-actions {
    flex-direction: column;
    gap: 1rem;
    padding: 1.5rem;
  }
  
  .tip-modal .action-group {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .tips-hero .hero-stats {
    grid-template-columns: 1fr;
  }
  
  .tips-hero .stat-item {
    flex-direction: column;
    text-align: center;
    gap: 0.75rem;
  }
  
  .tips-filter .filter-header {
    flex-direction: column;
    gap: 1rem;
    align-items: stretch;
  }
  
  .social-header .section-title {
    font-size: 2rem;
    flex-direction: column;
    gap: 0.5rem;
  }
}

/* === Navbar Scroll Effect === */
.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
}

.navbar.scrolled .brand-icon {
  transform: scale(0.9);
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-weight: 600;
  font-size: var(--text-sm);
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-md);
}

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

.btn-secondary {
  background: var(--gray-100);
  color: var(--gray-700);
  border: 1px solid var(--gray-300);
}

.btn-secondary:hover {
  background: var(--gray-200);
  border-color: var(--gray-400);
}

.btn-outline {
  background: transparent;
  color: var(--primary-600);
  border: 2px solid var(--primary-600);
}

.btn-outline:hover {
  background: var(--primary-600);
  color: white;
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

/* === Cards === */
.card {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-200);
}

.card-header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--gray-200);
}

.card-body {
  padding: var(--space-6);
}

.card-footer {
  padding: var(--space-6);
  border-top: 1px solid var(--gray-200);
  background: var(--gray-50);
}

/* === Glass Effect === */
.glass {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.glass-dark {
  background: rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* === Badges === */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-primary {
  background: var(--primary-100);
  color: var(--primary-800);
}

.badge-success {
  background: #dcfce7;
  color: #166534;
}

.badge-warning {
  background: #fef3c7;
  color: #92400e;
}

.badge-error {
  background: #fee2e2;
  color: #991b1b;
}

/* === Hero Section === */
.hero {
  position: relative;
  background: var(--gradient-primary);
  color: white;
  padding: var(--space-24) 0;
  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="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

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

.hero-title {
  font-size: var(--text-6xl);
  font-weight: 900;
  margin-bottom: var(--space-6);
  background: linear-gradient(135deg, #ffffff, #e2e8f0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--text-xl);
  margin-bottom: var(--space-8);
  opacity: 0.9;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* === Grid System === */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

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

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

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

@keyframes bounce {
  0%, 20%, 53%, 80%, 100% { transform: translateY(0); }
  40%, 43% { transform: translateY(-10px); }
  70% { transform: translateY(-5px); }
  90% { transform: translateY(-2px); }
}

.animate-fade-in {
  animation: fadeIn 0.6s ease-out;
}

.animate-slide-in {
  animation: slideIn 0.6s ease-out;
}

.animate-pulse {
  animation: pulse 2s infinite;
}

.animate-bounce {
  animation: bounce 1s infinite;
}

/* === Utilities === */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }

.text-primary { color: var(--primary-600); }
.text-secondary { color: var(--secondary-600); }
.text-gray { color: var(--gray-600); }
.text-white { color: white; }

.bg-primary { background: var(--primary-600); }
.bg-secondary { background: var(--secondary-600); }
.bg-white { background: white; }
.bg-gray { background: var(--gray-100); }

.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

.shadow { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

/* === Responsive Design === */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-4);
  }
  
  .hero-title {
    font-size: var(--text-4xl);
  }
  
  .hero-subtitle {
    font-size: var(--text-lg);
  }
  
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: 1fr;
  }
  
  .btn-lg {
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-sm);
  }
  
  /* Hero section mobile fixes */
  .hero-actions {
    flex-direction: column;
    gap: 1rem;
  }
  
  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }
  
  /* Stats grid mobile layout */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
  
  /* Navigation cards mobile layout */
  .nav-card {
    margin-bottom: 1rem;
  }
  
  /* Feature cards mobile layout */
  .card-stack {
    flex-direction: column;
    gap: 1rem;
  }
  
  .feature-card {
    width: 100%;
    margin: 0;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  /* Tablet layout adjustments */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .hero-actions {
    flex-direction: row;
    justify-content: center;
    gap: 1.5rem;
  }
}

/* Extra small screens */
@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-title {
    font-size: 2rem;
    line-height: 1.2;
  }
  
  .hero-description {
    font-size: 0.9rem;
  }
  
  .nav-card {
    padding: 1.5rem;
  }
  
  .nav-card h4 {
    font-size: 1.1rem;
  }
  
  .nav-card p {
    font-size: 0.85rem;
  }
}

/* Footer responsive styles */
@media (max-width: 768px) {
  .footer-main {
    padding: 3rem 0 1.5rem;
  }
  
  .footer-brand {
    text-align: center;
    margin-bottom: 2.5rem;
  }
  
  .brand-name {
    font-size: 1.75rem;
  }
  
  .footer-description {
    text-align: center;
    margin-bottom: 1.5rem;
  }
  
  .social-links {
    justify-content: center;
  }
  
  .footer-title {
    text-align: center;
    margin-bottom: 1rem;
  }
  
  .footer-links {
    text-align: center;
  }
  
  .contact-info {
    text-align: center;
  }
  
  .contact-item {
    justify-content: center;
    margin-bottom: 1rem;
  }
  
  .footer-bottom {
    padding: 1rem 0;
  }
  
  .footer-bottom .row {
    text-align: center;
  }
  
  .footer-bottom-links {
    margin-top: 1rem;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .footer-main {
    padding: 2rem 0 1rem;
  }
  
  .brand-name {
    font-size: 1.5rem;
  }
  
  .brand-tagline {
    font-size: 0.8rem;
  }
  
  .footer-description {
    font-size: 0.9rem;
    line-height: 1.5;
  }
  
  .social-link {
    width: 36px;
    height: 36px;
  }
  
  .footer-title {
    font-size: 1rem;
  }
  
  .footer-link {
    font-size: 0.9rem;
  }
  
  .contact-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .contact-icon {
    margin-bottom: 0.5rem;
  }
  
  .contact-details {
    text-align: center;
  }
  
  .footer-bottom-links {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .footer-bottom-link {
    font-size: 0.85rem;
  }
}

/* === Animation Performance Optimizations === */
.gpu-accelerated {
  transform: translateZ(0);
  backface-visibility: hidden;
  perspective: 1000px;
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  .animate-on-scroll {
    opacity: 1;
    transform: none;
  }
}

/* Performance optimized animations */
.smooth-transform {
  will-change: transform;
  transform: translateZ(0);
}

.smooth-opacity {
  will-change: opacity;
}

.smooth-scroll {
  scroll-behavior: smooth;
}

/* Optimized hover states */
.optimized-hover {
  transition: transform 0.2s ease-out;
  will-change: transform;
}

.optimized-hover:hover {
  transform: translateY(-2px) translateZ(0);
}

/* === Loading States === */
.loading {
  position: relative;
  overflow: hidden;
}

.loading::after {
  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 1.5s infinite;
}

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

/* === Focus States === */
.btn:focus,
.nav-link:focus {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
}

/* === Dark Mode Support === */
@media (prefers-color-scheme: dark) {
  :root {
    --gray-50: #111827;
    --gray-100: #1f2937;
    --gray-200: #374151;
    --gray-300: #4b5563;
    --gray-400: #6b7280;
    --gray-500: #9ca3af;
    --gray-600: #d1d5db;
    --gray-700: #e5e7eb;
    --gray-800: #f3f4f6;
    --gray-900: #f9fafb;
  }
  
  body {
    background: var(--gray-50);
    color: var(--gray-800);
  }
  
  .card {
    background: var(--gray-100);
    border-color: var(--gray-200);
  }
  
  .navbar {
    background: rgba(17, 24, 39, 0.95);
    border-bottom-color: var(--gray-200);
  }
}

/* Hero Section Redesign */
.hero-section {
    position: relative;
    min-height: 100vh;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        var(--primary-600) 0%, 
        var(--primary-700) 50%, 
        var(--secondary-600) 100%);
    opacity: 0.95;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.particle {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.particle-1 {
    width: 80px;
    height: 80px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.particle-2 {
    width: 60px;
    height: 60px;
    top: 60%;
    left: 80%;
    animation-delay: 2s;
}

.particle-3 {
    width: 40px;
    height: 40px;
    top: 80%;
    left: 20%;
    animation-delay: 4s;
}

.particle-4 {
    width: 100px;
    height: 100px;
    top: 10%;
    right: 10%;
    animation-delay: 1s;
}

.particle-5 {
    width: 50px;
    height: 50px;
    top: 40%;
    left: 60%;
    animation-delay: 3s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(120deg); }
    66% { transform: translateY(20px) rotate(240deg); }
}

.hero-content {
    position: relative;
    z-index: 10;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    position: relative;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    padding: 12px 24px;
    color: white;
    font-weight: 600;
    overflow: hidden;
}

.badge-icon {
    margin-right: 8px;
    color: var(--warning-500);
}

.badge-glow {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: glow 3s infinite;
}

@keyframes glow {
    0% { left: -100%; }
    100% { left: 100%; }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 2rem;
}

.title-line {
    display: block;
    color: white;
}

.title-highlight {
    display: block;
    background: linear-gradient(45deg, var(--warning-500), var(--info-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { filter: hue-rotate(0deg); }
    50% { filter: hue-rotate(45deg); }
}

.hero-description {
    font-size: 1.25rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-hero {
    position: relative;
    padding: 16px 32px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    border: none;
    overflow: hidden;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
}

.btn-primary.btn-hero {
    background: linear-gradient(45deg, var(--primary-600), var(--secondary-600));
    color: white;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.btn-outline.btn-hero {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-hero:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.btn-ripple {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
    transform: scale(0);
    opacity: 0;
    pointer-events: none;
}

.btn-hero:active .btn-ripple {
    animation: ripple 0.6s ease-out;
}

@keyframes ripple {
    to {
        transform: scale(2);
        opacity: 0;
    }
}

.hero-stats {
    margin-top: 3rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 2rem;
    max-width: 600px;
}

.stat-item {
    position: relative;
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: white;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.5rem;
}

.stat-icon {
    position: absolute;
    top: -10px;
    right: -10px;
    width: 30px;
    height: 30px;
    background: var(--warning-500);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    color: white;
}

.hero-visual {
    position: relative;
    z-index: 10;
    height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.card-stack {
    position: relative;
    width: 100%;
    height: 100%;
}

.feature-card {
    position: absolute;
    width: 180px;
    height: 120px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 1.5rem;
    text-align: center;
    color: white;
    transition: all 0.3s ease;
    cursor: pointer;
}

.feature-card:hover {
    transform: translateY(-10px) scale(1.05);
    background: rgba(255, 255, 255, 0.2);
}

.card-plugins {
    top: 50px;
    left: 50px;
    transform: rotate(-10deg);
}

.card-tutorials {
    top: 100px;
    right: 50px;
    transform: rotate(10deg);
}

.card-cases {
    bottom: 100px;
    left: 30px;
    transform: rotate(5deg);
}

.card-tips {
    bottom: 50px;
    right: 30px;
    transform: rotate(-5deg);
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--warning-500);
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.card-count {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.7);
}

.hero-logo {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 5;
}

.logo-container {
    position: relative;
    width: 200px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-ring {
    position: absolute;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    animation: rotate 20s linear infinite;
}

.ring-1 {
    width: 200px;
    height: 200px;
    border-top-color: var(--warning-500);
    animation-duration: 20s;
}

.ring-2 {
    width: 160px;
    height: 160px;
    border-right-color: var(--info-500);
    animation-duration: 15s;
    animation-direction: reverse;
}

.ring-3 {
    width: 120px;
    height: 120px;
    border-bottom-color: var(--success-500);
    animation-duration: 10s;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.logo-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(45deg, var(--primary-600), var(--secondary-600));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: white;
    z-index: 10;
    animation: bounce 2s infinite;
}

.scroll-text {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    opacity: 0.8;
}

.scroll-arrow {
    font-size: 1.2rem;
    animation: bounce 2s infinite;
}

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

/* Counter Animation */
@keyframes countUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-hero {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .feature-card {
        width: 140px;
        height: 100px;
        padding: 1rem;
    }
    
    .card-plugins, .card-tutorials, .card-cases, .card-tips {
        position: static;
        transform: none;
        margin: 1rem;
    }
    
    .hero-visual {
        height: 400px;
        margin-top: 2rem;
    }
    
    .logo-container {
        width: 150px;
        height: 150px;
    }
    
    .ring-1 { width: 150px; height: 150px; }
    .ring-2 { width: 120px; height: 120px; }
    .ring-3 { width: 90px; height: 90px; }
    
    .logo-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
}

/* ===== PLUGINS PAGE STYLES ===== */

/* Plugins Hero Section */
.plugins-hero {
  background: linear-gradient(135deg, var(--primary-600) 0%, var(--secondary-600) 100%);
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
}

/* ===== TUTORIALS PAGE STYLES ===== */

/* Tutorials Hero Section */
.tutorials-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--primary-600), var(--secondary-600));
}

.tutorials-hero .hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}

.tutorials-hero .hero-particles {
  position: absolute;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="40" r="1.5" fill="rgba(255,255,255,0.15)"/><circle cx="40" cy="80" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="90" cy="90" r="0.5" fill="rgba(255,255,255,0.2)"/></svg>') repeat;
  animation: float 20s ease-in-out infinite;
}

.tutorials-hero .hero-gradient {
  position: absolute;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 30% 70%, rgba(59, 130, 246, 0.3) 0%, transparent 50%),
              radial-gradient(circle at 70% 30%, rgba(139, 92, 246, 0.3) 0%, transparent 50%);
}

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

.tutorials-hero .hero-content {
  text-align: center;
  color: white;
  max-width: 800px;
  margin: 0 auto;
}

.tutorials-hero .hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50px;
  padding: 0.75rem 1.5rem;
  margin-bottom: 2rem;
  font-size: 0.9rem;
  font-weight: 500;
}

.tutorials-hero .hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.tutorials-hero .hero-description {
  font-size: 1.25rem;
  margin-bottom: 3rem;
  opacity: 0.9;
  line-height: 1.6;
}

.tutorials-hero .hero-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-bottom: 3rem;
}

.tutorials-hero .stat-item {
  text-align: center;
}

.tutorials-hero .stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  display: block;
  margin-bottom: 0.5rem;
}

.tutorials-hero .stat-label {
  font-size: 0.9rem;
  opacity: 0.8;
}

.tutorials-hero .hero-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.tutorials-hero .btn-primary,
.tutorials-hero .btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.tutorials-hero .btn-primary {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.tutorials-hero .btn-primary:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.tutorials-hero .btn-secondary {
  background: transparent;
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.tutorials-hero .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

/* Learning Path Section */
.learning-path {
  padding: 5rem 0;
  background: var(--gray-50);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--gray-900);
}

.section-description {
  font-size: 1.1rem;
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto;
}

/* Progress Overview */
.progress-overview {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
  margin-bottom: 4rem;
  align-items: center;
}

.progress-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-xl);
  padding: 2rem;
}

.progress-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.progress-header h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--gray-900);
  margin: 0;
}

.progress-percentage {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-600);
}

.progress-bar-container {
  margin-bottom: 1rem;
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--gray-200);
  border-radius: 4px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-600), var(--secondary-600));
  border-radius: 4px;
  transition: width 1s ease;
}

.progress-details {
  color: var(--gray-600);
  font-size: 0.9rem;
}

.learning-stats {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.learning-stats .stat {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
}

.learning-stats .stat i {
  font-size: 1.5rem;
  color: var(--primary-600);
  width: 24px;
  text-align: center;
}

.learning-stats .stat-value {
  font-weight: 600;
  color: var(--gray-900);
  display: block;
}

.learning-stats .stat-label {
  font-size: 0.85rem;
  color: var(--gray-600);
}

/* Interactive Timeline */
.timeline-container {
  position: relative;
}

.timeline {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
}

.timeline-progress {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--gray-200);
  transform: translateX(-50%);
  border-radius: 2px;
}

.timeline-progress::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 20%;
  background: linear-gradient(180deg, var(--primary-600), var(--secondary-600));
  border-radius: 2px;
  transition: height 1s ease;
}

.timeline-item {
  position: relative;
  margin-bottom: 4rem;
  display: flex;
  align-items: center;
}

.timeline-item:nth-child(even) {
  flex-direction: row-reverse;
}

.timeline-item:nth-child(even) .timeline-content {
  text-align: right;
}

.timeline-marker {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
}

.marker-inner {
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 3px solid var(--primary-600);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-600);
  font-size: 1.5rem;
  position: relative;
  z-index: 2;
}

.marker-pulse {
  position: absolute;
  top: -10px;
  left: -10px;
  right: -10px;
  bottom: -10px;
  border: 2px solid var(--primary-600);
  border-radius: 50%;
  opacity: 0;
  animation: pulse 2s infinite;
}

.timeline-item[data-lesson="1"] .marker-pulse {
  animation-delay: 0s;
}

.timeline-content {
  flex: 1;
  max-width: 45%;
}

.lesson-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-xl);
  padding: 2rem;
  transition: all 0.3s ease;
}

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

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

.lesson-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lesson-number {
  background: var(--primary-600);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}

.lesson-duration {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--gray-600);
  font-size: 0.85rem;
}

.lesson-status i {
  font-size: 1.5rem;
  color: var(--success);
}

.lesson-status i.fa-circle {
  color: var(--gray-400);
}

.lesson-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 1rem;
}

.lesson-description {
  color: var(--gray-600);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.lesson-features {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.lesson-features .feature {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--gray-200);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--gray-600);
}

.lesson-features .feature i {
  color: var(--primary-600);
}

.lesson-actions {
  display: flex;
  gap: 1rem;
}

.btn-lesson-start,
.btn-lesson-preview {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 25px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
}

.btn-lesson-start {
  background: var(--primary-600);
  color: white;
}

.btn-lesson-start:hover:not(:disabled) {
  background: var(--primary-700);
  transform: translateY(-2px);
}

.btn-lesson-start:disabled {
  background: var(--gray-400);
  cursor: not-allowed;
}

.btn-lesson-preview {
  background: transparent;
  color: var(--primary-600);
  border: 1px solid var(--primary-600);
}

.btn-lesson-preview:hover {
  background: var(--primary-600);
  color: white;
  transform: translateY(-2px);
}

/* Interactive Learning Section */
.interactive-learning {
  padding: 5rem 0;
  background: var(--gray-200);
}

.learning-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  text-align: center;
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.feature-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-600), var(--secondary-600));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: white;
  font-size: 2rem;
}

.feature-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 1rem;
}

.feature-description {
  color: var(--gray-600);
  line-height: 1.6;
  margin-bottom: 2rem;
}

.feature-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--primary-600);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 25px;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.feature-btn:hover {
  background: var(--primary-700);
  transform: translateY(-2px);
}

/* Responsive Design for Tutorials */
@media (max-width: 768px) {
  .tutorials-hero .hero-title {
    font-size: 2.5rem;
  }
  
  .tutorials-hero .hero-stats {
    gap: 1.5rem;
  }
  
  .tutorials-hero .stat-number {
    font-size: 2rem;
  }
  
  .progress-overview {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .learning-stats {
    flex-direction: row;
    flex-wrap: wrap;
  }
  
  .timeline-item {
    flex-direction: column !important;
    text-align: center !important;
  }
  
  .timeline-content {
    max-width: 100%;
    margin-top: 2rem;
  }
  
  .timeline-progress {
    display: none;
  }
  
  .timeline-marker {
    position: relative;
    left: auto;
    transform: none;
  }
  
  .lesson-actions {
    flex-direction: column;
  }
  
  .learning-features {
    grid-template-columns: 1fr;
  }
}

.plugins-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="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50px;
  padding: 12px 24px;
  color: white;
  font-weight: 500;
  animation: float 3s ease-in-out infinite;
}

.badge-icon {
  width: 24px;
  height: 24px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 12px;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  color: white;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.title-line {
  display: block;
}

.title-highlight {
  background: linear-gradient(45deg, #ffd700, #ffed4e);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}

.hero-description {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.6;
  max-width: 500px;
}

.hero-stats {
  display: flex;
  gap: 2rem;
  margin-top: 2rem;
}

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

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  display: block;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.8;
  margin-top: 4px;
}

.hero-visual {
  position: relative;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.plugin-showcase {
  position: relative;
  width: 300px;
  height: 300px;
}

.showcase-card {
  position: absolute;
  width: 120px;
  height: 120px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.3s ease;
}

.showcase-card i {
  font-size: 2rem;
  margin-bottom: 8px;
}

.showcase-card.card-1 {
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  animation: float 3s ease-in-out infinite;
}

.showcase-card.card-2 {
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  animation: float 3s ease-in-out infinite 0.5s;
}

.showcase-card.card-3 {
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  animation: float 3s ease-in-out infinite 1s;
}

.showcase-card.card-4 {
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  animation: float 3s ease-in-out infinite 1.5s;
}

/* Plugins Filter Section */
.plugins-filter {
  background: var(--gray-50);
  padding: 40px 0;
  border-bottom: 1px solid var(--gray-200);
}

.filter-container {
  background: white;
  border-radius: 20px;
  padding: 30px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
}

.filter-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.filter-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
  margin: 0;
}

.filter-results {
  color: var(--gray-600);
  font-weight: 500;
}

.filter-controls {
  display: grid;
  grid-template-columns: 1fr auto auto auto;
  gap: 20px;
  align-items: center;
}

/* Search Container */
.search-container {
  position: relative;
}

.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.search-input {
  width: 100%;
  padding: 12px 16px 12px 48px;
  border: 2px solid var(--gray-200);
  border-radius: 12px;
  font-size: 1rem;
  background: var(--gray-50);
  transition: all 0.3s ease;
}

.search-input:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.search-icon {
  position: absolute;
  left: 16px;
  color: var(--gray-500);
  z-index: 2;
}

.search-clear {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  color: var(--gray-500);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  opacity: 0;
  transition: all 0.3s ease;
}

.search-input:not(:placeholder-shown) + .search-clear {
  opacity: 1;
}

.search-clear:hover {
  background: var(--gray-100);
  color: var(--gray-700);
}

/* Category Filter */
.category-filter {
  display: flex;
  gap: 8px;
}

.filter-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--gray-50);
  border: 2px solid var(--gray-200);
  border-radius: 10px;
  color: var(--gray-600);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.filter-btn:hover {
  background: var(--primary-500);
  border-color: var(--primary-500);
  color: white;
  transform: translateY(-2px);
}

.filter-btn.active {
  background: var(--primary-500);
  border-color: var(--primary-500);
  color: white;
  box-shadow: var(--shadow-md);
}

/* Sort Container */
.sort-select {
  padding: 10px 16px;
  border: 2px solid var(--gray-200);
  border-radius: 10px;
  background: var(--gray-50);
  color: var(--gray-700);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.sort-select:focus {
  outline: none;
  border-color: var(--primary-500);
}

/* View Toggle */
.view-toggle {
  display: flex;
  background: var(--gray-50);
  border: 2px solid var(--gray-200);
  border-radius: 10px;
  overflow: hidden;
}

.view-btn {
  padding: 10px 16px;
  background: none;
  border: none;
  color: var(--gray-600);
  cursor: pointer;
  transition: all 0.3s ease;
}

.view-btn:hover {
  background: var(--primary-500);
  color: white;
}

.view-btn.active {
  background: var(--primary-500);
  color: white;
}

/* Plugins Content */
.plugins-content {
  padding: 60px 0;
  background: var(--gray-50);
}

.plugins-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

/* Plugin Card */
.plugin-card {
  background: white;
  border-radius: 24px;
  padding: 28px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  border: 1px solid #f0f0f0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.plugin-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  transform: scaleX(0);
  transition: transform 0.4s ease;
  border-radius: 24px 24px 0 0;
}

.plugin-card:hover {
  transform: translateY(-12px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  border-color: #e0e0e0;
}

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

.plugin-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}

.plugin-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.75rem;
  position: relative;
  overflow: hidden;
}

.plugin-icon::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2), rgba(255,255,255,0.05));
  border-radius: 16px;
}

.plugin-icon.code-icon {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.plugin-icon.theme-icon {
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.plugin-icon.git-icon {
  background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.plugin-icon.api-icon {
  background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.plugin-icon.database-icon {
  background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

.plugin-icon.markdown-icon {
  background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
}

.plugin-badges {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: flex-end;
}

.status-badge {
  padding: 6px 14px;
  border-radius: 25px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  position: relative;
  overflow: hidden;
}

.status-badge::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.6s ease;
}

.status-badge:hover::before {
  left: 100%;
}

.status-badge.hot {
  background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
  color: white;
}

.status-badge.new {
  background: linear-gradient(135deg, #00d2d3 0%, #54a0ff 100%);
  color: white;
}

.status-badge.featured {
  background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
  color: #333;
}

.plugin-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  margin-bottom: 24px;
}

.plugin-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: #2d3748;
  margin-bottom: 12px;
  line-height: 1.3;
}

.plugin-description {
  color: #718096;
  line-height: 1.7;
  margin-bottom: 20px;
  flex: 1;
  font-size: 0.95rem;
}

.plugin-stats {
  display: flex;
  gap: 20px;
  margin-bottom: 18px;
  padding: 16px 0;
  border-top: 1px solid #f7fafc;
  border-bottom: 1px solid #f7fafc;
}

.plugin-stats .stat-item {
  display: flex;
  align-items: center;
  gap: 6px;
  color: #4a5568;
  font-size: 0.9rem;
  font-weight: 600;
}

.plugin-stats .stat-item i {
  color: #667eea;
  font-size: 1rem;
}

.plugin-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.plugin-tags .tag {
  padding: 6px 14px;
  background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
  border: 1px solid #e2e8f0;
  border-radius: 25px;
  font-size: 0.8rem;
  color: #4a5568;
  font-weight: 600;
  transition: all 0.3s ease;
}

.plugin-tags .tag:hover {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border-color: #667eea;
  transform: translateY(-2px);
}

.plugin-actions {
  display: flex;
  gap: 12px;
  margin-top: auto;
}

.plugin-actions .btn-primary {
  flex: 1;
  padding: 14px 24px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border: none;
  border-radius: 14px;
  color: white;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  position: relative;
  overflow: hidden;
}

.plugin-actions .btn-primary::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 0.6s ease;
}

.plugin-actions .btn-primary:hover::before {
  left: 100%;
}

.plugin-actions .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 24px rgba(102, 126, 234, 0.4);
}

.plugin-actions .btn-download {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
  border: 2px solid #e2e8f0;
  border-radius: 14px;
  color: #4a5568;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.plugin-actions .btn-download:hover {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-color: #667eea;
  color: white;
  transform: translateY(-3px);
  box-shadow: 0 8px 16px rgba(102, 126, 234, 0.3);
}

/* Load More Section */
.load-more-section {
  text-align: center;
  margin-top: 60px;
  padding: 40px 20px;
}

.btn-load-more {
  position: relative;
  padding: 18px 40px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border: none;
  border-radius: 50px;
  color: white;
  font-weight: 700;
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.4s ease;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.btn-load-more::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 0.6s ease;
}

.btn-load-more:hover::before {
  left: 100%;
}

.btn-load-more:hover {
  transform: translateY(-4px);
  box-shadow: 0 15px 35px rgba(102, 126, 234, 0.4);
}

.btn-load-more i {
  font-size: 1.2rem;
}

.loading-spinner {
  display: none;
}

.btn-load-more.loading .loading-spinner {
  display: inline-block;
}

.btn-load-more.loading span {
  display: none;
}

.load-more-text {
  margin-top: 16px;
  color: #718096;
  font-size: 0.95rem;
  font-weight: 500;
}

.btn-loader {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.load-more-btn.loading .btn-text {
  opacity: 0;
}

.load-more-btn.loading .btn-loader {
  opacity: 1;
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top: 2px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Plugin Modal */
.plugin-modal {
  border: none;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
}

.plugin-modal .modal-header {
  background: linear-gradient(135deg, var(--primary-500), var(--secondary-500));
  color: white;
  border: none;
  padding: 24px;
}

.modal-header-content {
  display: flex;
  align-items: center;
  gap: 16px;
  flex: 1;
}

.plugin-modal-icon {
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.plugin-modal-info h5 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
}

.plugin-modal-meta {
  display: flex;
  gap: 12px;
  margin-top: 4px;
}

.modal-category {
  padding: 2px 8px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 500;
}

.modal-version {
  font-size: 0.9rem;
  opacity: 0.8;
}

.plugin-modal .btn-close {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  opacity: 1;
}

.plugin-modal .modal-body {
  padding: 32px;
}

.plugin-modal-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 32px;
  padding: 24px;
  background: var(--gray-50);
  border-radius: 16px;
}

.plugin-modal-stats .stat-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.plugin-modal-stats .stat-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary-500), var(--secondary-500));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.plugin-modal-stats .stat-content {
  flex: 1;
}

.plugin-modal-stats .stat-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1;
}

.plugin-modal-stats .stat-label {
  font-size: 0.9rem;
  color: var(--gray-600);
  margin-top: 2px;
}

.plugin-modal-description,
.plugin-modal-features,
.plugin-modal-tags,
.plugin-modal-requirements {
  margin-bottom: 24px;
}

.plugin-modal h6 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 12px;
}

.plugin-modal-description p {
  color: var(--gray-600);
  line-height: 1.6;
}

.plugin-modal-features ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.plugin-modal-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  color: var(--gray-600);
}

.plugin-modal-features li i {
  color: var(--success);
  font-size: 0.9rem;
}

.tags-container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tags-container .tag {
  padding: 6px 16px;
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: 20px;
  font-size: 0.9rem;
  color: var(--gray-600);
  font-weight: 500;
}

.requirements-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.requirement-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--gray-50);
  border-radius: 10px;
  color: var(--gray-600);
}

.requirement-item i {
  color: var(--primary-500);
  font-size: 1.1rem;
}

.plugin-modal .modal-footer {
  background: var(--gray-50);
  border: none;
  padding: 24px 32px;
}

.modal-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

.modal-actions .btn {
  padding: 12px 24px;
  border-radius: 10px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
}

.modal-actions .btn:hover {
  transform: translateY(-2px);
}

/* Responsive Design for Plugins */
@media (max-width: 1200px) {
  .plugins-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
  }
}

@media (max-width: 768px) {
  .plugins-hero {
    padding: 80px 0 60px;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  
  .filter-controls {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .category-filter {
    flex-wrap: wrap;
  }
  
  .plugins-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .plugin-modal-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  
  .requirements-grid {
    grid-template-columns: 1fr;
  }
  
  .modal-actions {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .filter-container {
    padding: 20px;
  }
  
  .plugin-card {
    padding: 20px;
  }
  
  .plugin-modal .modal-body {
    padding: 24px;
  }
  
  .plugin-modal .modal-footer {
    padding: 20px 24px;
  }
}

/* ===== CASES PAGE STYLES ===== */

/* Cases Hero Section */
.cases-hero {
  position: relative;
  min-height: 50vh;
  padding: 50px 0;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.cases-hero .hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}

.cases-hero .hero-gradient {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.cases-hero .hero-pattern {
  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="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1.5" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
  opacity: 0.3;
  animation: float 20s linear infinite;
}

@keyframes float {
  0% { transform: translate(0, 0) rotate(0deg); }
  100% { transform: translate(-50px, -50px) rotate(360deg); }
}

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

.cases-hero .hero-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.cases-hero .hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50px;
  color: white;
  font-weight: 600;
  margin-bottom: 1.5rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.cases-hero .hero-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1rem;
  color: white;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.cases-hero .hero-description {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.cases-hero .hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.cases-hero .stat-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.2rem;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
  transition: all 0.3s ease;
}

.cases-hero .stat-item:hover {
  transform: translateY(-3px);
  background: rgba(255, 255, 255, 0.15);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.cases-hero .stat-icon {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #ff6b6b, #ee5a24);
  border-radius: 12px;
  color: white;
  font-size: 1.3rem;
}

.cases-hero .stat-content {
  flex: 1;
}

.cases-hero .stat-number {
  font-size: 1.8rem;
  font-weight: 800;
  color: white;
  line-height: 1;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.cases-hero .stat-label {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.9);
  margin-top: 0.25rem;
}

/* Cases Filter Section */
.cases-filter {
  padding: 4rem 0;
  background: var(--gray-50);
}

.cases-filter .filter-container {
  background: white;
  border-radius: 1.5rem;
  padding: 2rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
}

.cases-filter .filter-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--gray-200);
}

.cases-filter .filter-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
  margin: 0;
}

.cases-filter .filter-title i {
  color: var(--primary-600);
}

.cases-filter .filter-results {
  padding: 0.5rem 1rem;
  background: var(--primary-50);
  border-radius: 50px;
  color: var(--primary-700);
  font-weight: 600;
}

.cases-filter .filter-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  align-items: end;
}

.cases-filter .filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.cases-filter .filter-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--gray-700);
  font-size: 0.875rem;
}

.cases-filter .filter-select {
  padding: 0.75rem 1rem;
  border: 2px solid var(--gray-200);
  border-radius: 0.75rem;
  background: white;
  font-size: 0.875rem;
  transition: all 0.3s ease;
  cursor: pointer;
}

.cases-filter .filter-select:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.cases-filter .filter-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cases-filter .btn-reset {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--gray-100);
  border: none;
  border-radius: 0.75rem;
  color: var(--gray-700);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.cases-filter .btn-reset:hover {
  background: var(--gray-200);
  transform: translateY(-2px);
}

.cases-filter .view-toggle {
  display: flex;
  background: var(--gray-100);
  border-radius: 0.75rem;
  padding: 0.25rem;
}

.cases-filter .view-btn {
  flex: 1;
  padding: 0.5rem;
  border: none;
  background: transparent;
  border-radius: 0.5rem;
  color: var(--gray-600);
  cursor: pointer;
  transition: all 0.3s ease;
}

.cases-filter .view-btn.active {
  background: white;
  color: var(--primary-600);
  box-shadow: var(--shadow-sm);
}

/* Cases Gallery */
.cases-gallery {
  padding: 4rem 0;
}

.cases-grid {
  display: grid;
  gap: 2rem;
  transition: all 0.3s ease;
}

.cases-grid[data-view="grid"] {
  grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
}

.cases-grid[data-view="list"] {
  grid-template-columns: 1fr;
}

.case-card {
  background: white;
  border-radius: 1.5rem;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
  transition: all 0.3s ease;
  cursor: pointer;
}

.case-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.case-card .card-header {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.case-card .comparison-slider {
  position: relative;
  width: 100%;
  height: 100%;
}

.case-card .comparison-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-card .comparison-after {
  clip-path: inset(0 50% 0 0);
  transition: clip-path 0.3s ease;
}

.case-card .comparison-handle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40px;
  height: 40px;
  background: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  cursor: ew-resize;
  z-index: 2;
}

.case-card .comparison-line {
  position: absolute;
  top: 0;
  left: 50%;
  width: 2px;
  height: 100%;
  background: white;
  transform: translateX(-50%);
  z-index: 1;
}

.case-card .card-body {
  padding: 1.5rem;
}

.case-card .card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.case-card .card-badges {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.case-card .badge {
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
}

.case-card .badge-industry {
  background: var(--primary-100);
  color: var(--primary-700);
}

.case-card .badge-difficulty {
  background: var(--gray-100);
  color: var(--gray-700);
}

.case-card .card-description {
  color: var(--gray-600);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.case-card .card-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.case-card .metric-item {
  text-align: center;
  padding: 1rem;
  background: var(--gray-50);
  border-radius: 0.75rem;
}

.case-card .metric-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-600);
  line-height: 1;
}

.case-card .metric-label {
  font-size: 0.75rem;
  color: var(--gray-600);
  margin-top: 0.25rem;
}

.case-card .card-actions {
  display: flex;
  gap: 1rem;
}

.case-card .btn-view {
  flex: 1;
  padding: 0.75rem 1.5rem;
  background: var(--primary-600);
  color: white;
  border: none;
  border-radius: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.case-card .btn-view:hover {
  background: var(--primary-700);
  transform: translateY(-2px);
}

.case-card .btn-contact {
  padding: 0.75rem 1rem;
  background: var(--gray-100);
  color: var(--gray-700);
  border: none;
  border-radius: 0.75rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.case-card .btn-contact:hover {
  background: var(--gray-200);
}

/* List View Styles */
.cases-grid[data-view="list"] .case-card {
  display: flex;
  align-items: center;
}

.cases-grid[data-view="list"] .case-card .card-header {
  width: 300px;
  height: 150px;
  flex-shrink: 0;
}

.cases-grid[data-view="list"] .case-card .card-body {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.cases-grid[data-view="list"] .case-card .card-content {
  flex: 1;
}

.cases-grid[data-view="list"] .case-card .card-metrics {
  grid-template-columns: repeat(2, 1fr);
  margin-bottom: 0;
}

.cases-grid[data-view="list"] .case-card .card-actions {
  flex-direction: column;
  width: 150px;
}

/* Load More Button */
.load-more-container {
  text-align: center;
  margin-top: 3rem;
}

.btn-load-more {
  position: relative;
  padding: 1rem 2rem;
  background: var(--primary-600);
  color: white;
  border: none;
  border-radius: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  overflow: hidden;
}

.btn-load-more:hover {
  background: var(--primary-700);
  transform: translateY(-2px);
}

.btn-load-more.loading .btn-text {
  opacity: 0;
}

.btn-load-more .btn-loader {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.btn-load-more.loading .btn-loader {
  opacity: 1;
}

.btn-load-more .spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top: 2px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Case Modal */
.case-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.case-modal.active {
  opacity: 1;
  visibility: visible;
}

.case-modal .modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
}

.case-modal .modal-container {
  position: relative;
  width: 90%;
  max-width: 1200px;
  max-height: 90vh;
  background: white;
  border-radius: 1.5rem;
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

.case-modal.active .modal-container {
  transform: scale(1);
}

.case-modal .modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 2rem;
  border-bottom: 1px solid var(--gray-200);
  background: var(--gray-50);
}

.case-modal .modal-title-section {
  flex: 1;
}

.case-modal .modal-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--gray-900);
  margin: 0 0 1rem 0;
}

.case-modal .modal-badges {
  display: flex;
  gap: 0.5rem;
}

.case-modal .modal-close {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-100);
  border: none;
  border-radius: 50%;
  color: var(--gray-600);
  cursor: pointer;
  transition: all 0.3s ease;
}

.case-modal .modal-close:hover {
  background: var(--gray-200);
  color: var(--gray-800);
}

.case-modal .modal-body {
  padding: 2rem;
  max-height: calc(90vh - 200px);
  overflow-y: auto;
}

.case-modal .modal-content-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
}

.case-modal .section-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 1rem;
}

.case-modal .section-title i {
  color: var(--primary-600);
}

.case-modal .before-after-section {
  margin-bottom: 2rem;
}

.case-modal .comparison-container {
  position: relative;
  height: 300px;
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.case-modal .solution-section {
  margin-bottom: 2rem;
}

.case-modal .solution-content img {
  width: 100%;
  border-radius: 1rem;
  box-shadow: var(--shadow-lg);
}

.case-modal .problem-section {
  margin-bottom: 2rem;
}

.case-modal .problem-text {
  color: var(--gray-600);
  line-height: 1.6;
}

.case-modal .metrics-section {
  margin-bottom: 2rem;
}

.case-modal .metrics-grid {
  display: grid;
  gap: 1rem;
}

.case-modal .metric-card {
  padding: 1rem;
  background: var(--gray-50);
  border-radius: 0.75rem;
  text-align: center;
}

.case-modal .metric-card .metric-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-600);
  line-height: 1;
}

.case-modal .metric-card .metric-label {
  font-size: 0.875rem;
  color: var(--gray-600);
  margin-top: 0.25rem;
}

.case-modal .tech-stack-section {
  margin-bottom: 2rem;
}

.case-modal .tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.case-modal .tech-tag {
  padding: 0.5rem 1rem;
  background: var(--primary-100);
  color: var(--primary-700);
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
}

.case-modal .timeline-section {
  margin-bottom: 2rem;
}

.case-modal .timeline {
  position: relative;
  padding-left: 2rem;
}

.case-modal .timeline::before {
  content: '';
  position: absolute;
  left: 0.5rem;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gray-200);
}

.case-modal .timeline-item {
  position: relative;
  margin-bottom: 1.5rem;
}

.case-modal .timeline-item::before {
  content: '';
  position: absolute;
  left: -1.75rem;
  top: 0.25rem;
  width: 10px;
  height: 10px;
  background: var(--primary-600);
  border-radius: 50%;
}

.case-modal .timeline-title {
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 0.25rem;
}

.case-modal .timeline-description {
  font-size: 0.875rem;
  color: var(--gray-600);
}

.case-modal .modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
  padding: 2rem;
  border-top: 1px solid var(--gray-200);
  background: var(--gray-50);
}

.case-modal .btn-secondary {
  padding: 0.75rem 1.5rem;
  background: var(--gray-100);
  color: var(--gray-700);
  border: none;
  border-radius: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.case-modal .btn-secondary:hover {
  background: var(--gray-200);
}

.case-modal .btn-primary {
  padding: 0.75rem 1.5rem;
  background: var(--primary-600);
  color: white;
  border: none;
  border-radius: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.case-modal .btn-primary:hover {
  background: var(--primary-700);
}

/* Cases Page Responsive Design */
@media (max-width: 768px) {
  .cases-hero .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
  
  .cases-hero .stat-item {
    padding: 1rem;
  }
  
  .cases-hero .stat-icon {
    width: 50px;
    height: 50px;
    font-size: 1.25rem;
  }
  
  .cases-hero .stat-number {
    font-size: 1.5rem;
  }
  
  .cases-filter .filter-controls {
    grid-template-columns: 1fr;
  }
  
  .cases-filter .filter-actions {
    flex-direction: row;
    align-items: center;
  }
  
  .cases-grid[data-view="grid"] {
    grid-template-columns: 1fr;
  }
  
  .cases-grid[data-view="list"] .case-card {
    flex-direction: column;
  }
  
  .cases-grid[data-view="list"] .case-card .card-header {
    width: 100%;
    height: 200px;
  }
  
  .cases-grid[data-view="list"] .case-card .card-body {
    flex-direction: column;
    align-items: stretch;
  }
  
  .cases-grid[data-view="list"] .case-card .card-actions {
    flex-direction: row;
    width: 100%;
  }
  
  .case-modal .modal-container {
    width: 95%;
    max-height: 95vh;
  }
  
  .case-modal .modal-content-grid {
    grid-template-columns: 1fr;
  }
  
  .case-modal .modal-header {
    padding: 1.5rem;
  }
  
  .case-modal .modal-body {
    padding: 1.5rem;
  }
  
  .case-modal .modal-footer {
    padding: 1.5rem;
    flex-direction: column;
  }
}

/* ===== COMPREHENSIVE RESPONSIVE DESIGN OPTIMIZATION ===== */

/* Extra Small Devices (phones, 320px and up) */
@media (max-width: 320px) {
  .container {
    padding: 0 0.75rem;
  }
  
  .hero-title {
    font-size: 1.75rem !important;
    line-height: 1.2;
  }
  
  .hero-subtitle {
    font-size: 0.875rem;
  }
  
  .btn {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
  }
  
  .card {
    padding: 1rem;
  }
  
  .navbar-brand {
    font-size: 1.125rem;
  }
  
  .nav-link {
    padding: 0.5rem 0.75rem;
  }
}

/* Small Devices (landscape phones, 480px and up) */
@media (min-width: 480px) and (max-width: 767px) {
  .hero-title {
    font-size: 2.25rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .grid-2-cols {
    grid-template-columns: 1fr;
  }
  
  .grid-3-cols {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-4-cols {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .feature-card {
    padding: 1.5rem;
  }
  
  .feature-icon {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }
}

/* Medium Devices (tablets, 768px and up) */
@media (min-width: 768px) and (max-width: 991px) {
  .container {
    max-width: 720px;
  }
  
  .hero-title {
    font-size: 2.75rem;
  }
  
  .grid-2-cols {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-3-cols {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-4-cols {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .navbar-nav {
    flex-direction: row;
    gap: 1rem;
  }
  
  .nav-link {
    padding: 0.5rem 1rem;
  }
  
  /* Tablet-specific optimizations */
  .cases-grid[data-view="grid"] {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .tips-grid[data-view="grid"] {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .plugins-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Large Devices (desktops, 992px and up) */
@media (min-width: 992px) and (max-width: 1199px) {
  .container {
    max-width: 960px;
  }
  
  .grid-3-cols {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .grid-4-cols {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .cases-grid[data-view="grid"] {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .tips-grid[data-view="grid"] {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Extra Large Devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {
  .container {
    max-width: 1140px;
  }
  
  .grid-4-cols {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .cases-grid[data-view="grid"] {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .tips-grid[data-view="grid"] {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Ultra Wide Screens (1400px and up) */
@media (min-width: 1400px) {
  .container {
    max-width: 1320px;
  }
  
  .cases-grid[data-view="grid"] {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .tips-grid[data-view="grid"] {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ===== MOBILE-FIRST NAVIGATION IMPROVEMENTS ===== */
@media (max-width: 991px) {
  .navbar-toggler {
    border: none;
    padding: 0.25rem 0.5rem;
    background: transparent;
  }
  
  .navbar-toggler:focus {
    box-shadow: none;
  }
  
  .navbar-collapse {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    margin-top: 1rem;
    padding: 1rem;
    box-shadow: var(--shadow-lg);
  }
  
  .navbar-nav {
    gap: 0.5rem;
  }
  
  .nav-link {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
  }
  
  .nav-link:hover {
    background: var(--primary-50);
    color: var(--primary-600);
  }
  
  .nav-link.active {
    background: var(--primary-100);
    color: var(--primary-700);
  }
}

/* ===== TOUCH-FRIENDLY INTERACTIONS ===== */
@media (max-width: 768px) {
  /* Larger touch targets */
  .btn {
    min-height: 44px;
    padding: 0.75rem 1.5rem;
  }
  
  .nav-link {
    min-height: 44px;
    display: flex;
    align-items: center;
  }
  
  .card-action {
    min-height: 44px;
    padding: 0.75rem 1.5rem;
  }
  
  /* Better spacing for mobile */
  .section {
    padding: 3rem 0;
  }
  
  .hero {
    padding: 4rem 0;
  }
  
  .hero-stats {
    margin-top: 2rem;
  }
  
  /* Improved form elements */
  .form-control {
    min-height: 44px;
    padding: 0.75rem 1rem;
    font-size: 1rem;
  }
  
  .form-select {
    min-height: 44px;
    padding: 0.75rem 1rem;
  }
  
  /* Better modal experience */
  .modal-container {
    margin: 1rem;
    max-height: calc(100vh - 2rem);
  }
  
  .modal-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--gray-200);
  }
  
  .modal-body {
    padding: 1.5rem;
    max-height: calc(100vh - 200px);
    overflow-y: auto;
  }
  
  .modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--gray-200);
  }
}

/* ===== ACCESSIBILITY IMPROVEMENTS ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --gray-50: #1f2937;
    --gray-100: #374151;
    --gray-200: #4b5563;
    --gray-300: #6b7280;
    --gray-400: #9ca3af;
    --gray-500: #d1d5db;
    --gray-600: #e5e7eb;
    --gray-700: #f3f4f6;
    --gray-800: #f9fafb;
    --gray-900: #ffffff;
  }
  
  body {
    background: var(--gray-50);
    color: var(--gray-900);
  }
  
  .card {
    background: var(--gray-100);
    border-color: var(--gray-200);
  }
  
  .navbar {
    background: rgba(31, 41, 55, 0.9) !important;
  }
  
  .modal-container {
    background: var(--gray-100);
  }
}

/* ===== HIGH DPI SCREEN OPTIMIZATIONS ===== */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .feature-icon,
  .stat-icon,
  .card-icon {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
  }
}

/* ===== LANDSCAPE ORIENTATION OPTIMIZATIONS ===== */
@media (max-height: 500px) and (orientation: landscape) {
  .hero {
    padding: 2rem 0;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 0.875rem;
  }
  
  .modal-container {
    max-height: 90vh;
  }
  
  .modal-body {
    max-height: calc(90vh - 120px);
  }
}

/* ===== PRINT STYLES ===== */
@media print {
  .navbar,
  .modal,
  .btn,
  .filter-section,
  .load-more-container {
    display: none !important;
  }
  
  .container {
    max-width: none;
    padding: 0;
  }
  
  .card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ddd;
  }
  
  .hero {
    padding: 1rem 0;
  }
  
  .hero-title {
    font-size: 2rem;
    color: #000;
  }
  
  a {
    text-decoration: underline;
  }
  
  a[href]:after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #666;
  }
}

/* ===== MICRO-INTERACTIONS AND ANIMATIONS ===== */

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

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes bounce {
  0%, 20%, 53%, 80%, 100% { transform: translate3d(0, 0, 0); }
  40%, 43% { transform: translate3d(0, -30px, 0); }
  70% { transform: translate3d(0, -15px, 0); }
  90% { transform: translate3d(0, -4px, 0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translate3d(0, 40px, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translate3d(0, -40px, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translate3d(-40px, 0, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translate3d(40px, 0, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes slideInUp {
  from {
    transform: translate3d(0, 100%, 0);
    visibility: visible;
  }
  to {
    transform: translate3d(0, 0, 0);
  }
}

@keyframes slideInDown {
  from {
    transform: translate3d(0, -100%, 0);
    visibility: visible;
  }
  to {
    transform: translate3d(0, 0, 0);
  }
}

@keyframes zoomIn {
  from {
    opacity: 0;
    transform: scale3d(0.3, 0.3, 0.3);
  }
  50% {
    opacity: 1;
  }
}

@keyframes shake {
  from, to { transform: translate3d(0, 0, 0); }
  10%, 30%, 50%, 70%, 90% { transform: translate3d(-10px, 0, 0); }
  20%, 40%, 60%, 80% { transform: translate3d(10px, 0, 0); }
}

@keyframes heartbeat {
  0% { transform: scale(1); }
  14% { transform: scale(1.3); }
  28% { transform: scale(1); }
  42% { transform: scale(1.3); }
  70% { transform: scale(1); }
}

/* Loading Spinner */
.loading-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 1s ease-in-out infinite;
}

.loading-spinner.primary {
  border-color: rgba(59, 130, 246, 0.3);
  border-top-color: var(--primary-600);
}

/* Button Loading State */
.btn.loading {
  position: relative;
  color: transparent !important;
  pointer-events: none;
}

.btn.loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  top: 50%;
  left: 50%;
  margin-left: -8px;
  margin-top: -8px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Page Transition Effects */
.page-transition {
  animation: fadeIn 0.5s ease-out;
}

.page-transition.fade-up {
  animation: fadeInUp 0.6s ease-out;
}

.page-transition.fade-down {
  animation: fadeInDown 0.6s ease-out;
}

.page-transition.slide-up {
  animation: slideInUp 0.5s ease-out;
}

/* Card Hover Effects */
.card-hover-lift {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-hover-lift:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.card-hover-scale {
  transition: transform 0.3s ease;
}

.card-hover-scale:hover {
  transform: scale(1.05);
}

.card-hover-glow {
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.card-hover-glow::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;
}

.card-hover-glow:hover::before {
  left: 100%;
}

/* Button Hover Effects */
.btn-hover-bounce {
  transition: transform 0.3s ease;
}

.btn-hover-bounce:hover {
  animation: bounce 0.6s;
}

.btn-hover-pulse {
  transition: all 0.3s ease;
}

.btn-hover-pulse:hover {
  animation: pulse 1s infinite;
}

.btn-hover-shake {
  transition: transform 0.3s ease;
}

.btn-hover-shake:hover {
  animation: shake 0.5s;
}

/* Icon Animations */
.icon-spin {
  animation: spin 2s linear infinite;
}

.icon-pulse {
  animation: pulse 2s infinite;
}

.icon-bounce {
  animation: bounce 2s infinite;
}

.icon-heartbeat {
  animation: heartbeat 1.5s ease-in-out infinite;
}

/* Text Animations */
.text-fade-in {
  animation: fadeIn 1s ease-out;
}

.text-slide-up {
  animation: fadeInUp 0.8s ease-out;
}

.text-slide-down {
  animation: fadeInDown 0.8s ease-out;
}

.text-slide-left {
  animation: fadeInLeft 0.8s ease-out;
}

.text-slide-right {
  animation: fadeInRight 0.8s ease-out;
}

/* Stagger Animation for Lists */
.stagger-animation > * {
  opacity: 0;
  animation: fadeInUp 0.6s ease-out forwards;
}

.stagger-animation > *:nth-child(1) { animation-delay: 0.1s; }
.stagger-animation > *:nth-child(2) { animation-delay: 0.2s; }
.stagger-animation > *:nth-child(3) { animation-delay: 0.3s; }
.stagger-animation > *:nth-child(4) { animation-delay: 0.4s; }
.stagger-animation > *:nth-child(5) { animation-delay: 0.5s; }
.stagger-animation > *:nth-child(6) { animation-delay: 0.6s; }
.stagger-animation > *:nth-child(7) { animation-delay: 0.7s; }
.stagger-animation > *:nth-child(8) { animation-delay: 0.8s; }
.stagger-animation > *:nth-child(9) { animation-delay: 0.9s; }

/* Modal Animations */
.modal.fade-in {
  animation: fadeIn 0.3s ease-out;
}

.modal.slide-down {
  animation: slideInDown 0.4s ease-out;
}

.modal.zoom-in {
  animation: zoomIn 0.3s ease-out;
}

/* Progress Bar Animation */
.progress-bar-animated {
  position: relative;
  overflow: hidden;
}

.progress-bar-animated::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background-image: linear-gradient(
    -45deg,
    rgba(255, 255, 255, 0.2) 25%,
    transparent 25%,
    transparent 50%,
    rgba(255, 255, 255, 0.2) 50%,
    rgba(255, 255, 255, 0.2) 75%,
    transparent 75%,
    transparent
  );
  background-size: 1rem 1rem;
  animation: progress-bar-stripes 1s linear infinite;
}

@keyframes progress-bar-stripes {
  0% { background-position: 1rem 0; }
  100% { background-position: 0 0; }
}

/* Notification Animations */
.notification-slide-in {
  animation: slideInRight 0.3s ease-out;
}

@keyframes slideInRight {
  from {
    transform: translate3d(100%, 0, 0);
    visibility: visible;
  }
  to {
    transform: translate3d(0, 0, 0);
  }
}

.notification-slide-out {
  animation: slideOutRight 0.3s ease-in;
}

@keyframes slideOutRight {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    visibility: hidden;
    transform: translate3d(100%, 0, 0);
  }
}

/* Skeleton Loading */
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
}

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

.skeleton-text {
  height: 1rem;
  border-radius: 4px;
  margin-bottom: 0.5rem;
}

.skeleton-text.large {
  height: 1.5rem;
}

.skeleton-text.small {
  height: 0.75rem;
}

.skeleton-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

.skeleton-card {
  height: 200px;
  border-radius: 8px;
}

/* Ripple Effect */
.ripple {
  position: relative;
  overflow: hidden;
}

.ripple::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.ripple:active::before {
  width: 300px;
  height: 300px;
}

/* Floating Action Button (avoid conflict with Font Awesome .fab) */
.float-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary-600);
  color: white;
  border: none;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 1000;
}

.float-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.2);
}

.float-btn:active {
  transform: scale(0.95);
}

/* Scroll to Top Animation */
.scroll-to-top {
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
  animation: fadeInUp 0.3s ease-out;
}

/* Parallax Effect */
.parallax {
  transform: translateZ(0);
  transition: transform 0.1s ease-out;
}

/* Smooth Scroll */
html {
  scroll-behavior: smooth;
}

/* Focus Animations */
.form-control:focus,
.form-select:focus {
  transform: scale(1.02);
  transition: all 0.3s ease;
}

/* Hover Glow Effect */
.glow-on-hover {
  position: relative;
  transition: all 0.3s ease;
}

.glow-on-hover::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: inherit;
  opacity: 0;
  box-shadow: 0 0 20px var(--primary-400);
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.glow-on-hover:hover::after {
  opacity: 0.7;
}

/* Typewriter Effect */
.typewriter {
  overflow: hidden;
  border-right: 0.15em solid var(--primary-600);
  white-space: nowrap;
  margin: 0 auto;
  letter-spacing: 0.15em;
  animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
}

@keyframes typing {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes blink-caret {
  from, to { border-color: transparent; }
  50% { border-color: var(--primary-600); }
}

/* Count Up Animation */
.count-up {
  font-variant-numeric: tabular-nums;
}

/* Intersection Observer Animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

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

.animate-on-scroll.delay-1 { transition-delay: 0.1s; }
.animate-on-scroll.delay-2 { transition-delay: 0.2s; }
.animate-on-scroll.delay-3 { transition-delay: 0.3s; }
.animate-on-scroll.delay-4 { transition-delay: 0.4s; }
.animate-on-scroll.delay-5 { transition-delay: 0.5s; }

/* Performance Optimizations */
.will-change-transform {
  will-change: transform;
}

.will-change-opacity {
  will-change: opacity;
}

.gpu-accelerated {
  transform: translateZ(0);
  backface-visibility: hidden;
  perspective: 1000px;
}

/* ===== CTA SECTION ===== */
.cta-section {
  background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%);
  color: white;
  position: relative;
  overflow: hidden;
}

.cta-section::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="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.cta-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.cta-description {
  font-size: 1.1rem;
  opacity: 0.9;
  line-height: 1.6;
}

/* ===== SITE FOOTER ===== */
.site-footer {
  background: var(--dark-900);
  color: var(--gray-300);
  position: relative;
  overflow: hidden;
}

.footer-main {
  padding: 4rem 0 2rem;
  position: relative;
  z-index: 2;
}

.footer-brand {
  margin-bottom: 2rem;
}

.footer-logo {
  margin-bottom: 1rem;
}

.brand-name {
  font-size: 2rem;
  font-weight: 700;
  color: white;
  margin: 0;
  background: linear-gradient(135deg, var(--primary-400) 0%, var(--primary-600) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand-tagline {
  font-size: 0.9rem;
  color: var(--gray-400);
  display: block;
  margin-top: 0.25rem;
}

.footer-description {
  color: var(--gray-400);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.social-links {
  display: flex;
  gap: 0.75rem;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--dark-800);
  color: var(--gray-400);
  border-radius: 50%;
  text-decoration: none;
  transition: all 0.3s ease;
  border: 1px solid var(--dark-700);
}

.social-link:hover {
  background: var(--primary-600);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.footer-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: white;
  margin-bottom: 1.5rem;
  position: relative;
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: -0.5rem;
  left: 0;
  width: 2rem;
  height: 2px;
  background: var(--primary-600);
  border-radius: 1px;
}

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

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-link {
  color: var(--gray-400);
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
  display: inline-block;
}

.footer-link:hover {
  color: var(--primary-400);
  transform: translateX(4px);
}

.footer-link::before {
  content: '';
  position: absolute;
  left: -1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 1px;
  background: var(--primary-600);
  transition: width 0.3s ease;
}

.footer-link:hover::before {
  width: 0.5rem;
}

.contact-info {
  margin-top: 1rem;
}

.contact-item {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
  padding: 0.75rem;
  background: var(--dark-800);
  border-radius: 8px;
  border: 1px solid var(--dark-700);
  transition: all 0.3s ease;
}

.contact-item:hover {
  background: var(--dark-700);
  transform: translateY(-1px);
}

.contact-icon {
  width: 20px;
  color: var(--primary-400);
  margin-right: 0.75rem;
  flex-shrink: 0;
}

.contact-details {
  flex: 1;
}

.contact-label {
  display: block;
  font-size: 0.8rem;
  color: var(--gray-500);
  margin-bottom: 0.25rem;
}

.contact-value {
  color: var(--gray-300);
  text-decoration: none;
  font-weight: 500;
}

.contact-value:hover {
  color: var(--primary-400);
}

.copyable {
  cursor: pointer;
  position: relative;
}

.copyable:hover::after {
  content: '点击复制';
  position: absolute;
  top: -2rem;
  left: 0;
  background: var(--dark-600);
  color: white;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.7rem;
  white-space: nowrap;
  z-index: 10;
}

.footer-bottom {
  background: var(--dark-800);
  padding: 1.5rem 0;
  border-top: 1px solid var(--dark-700);
  position: relative;
  z-index: 2;
}

.copyright {
  color: var(--gray-500);
  font-size: 0.9rem;
}

.footer-bottom-links {
  display: flex;
  gap: 1.5rem;
  justify-content: flex-end;
}

.footer-bottom-link {
  color: var(--gray-500);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

.footer-bottom-link:hover {
  color: var(--primary-400);
}

.footer-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}

.footer-pattern {
  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"><defs><pattern id="footerGrid" width="60" height="60" patternUnits="userSpaceOnUse"><circle cx="30" cy="30" r="1" fill="rgba(59,130,246,0.1)"/></pattern></defs><rect width="60" height="60" fill="url(%23footerGrid)"/></svg>');
  opacity: 0.5;
}

.footer-gradient {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(180deg, rgba(59, 130, 246, 0.05) 0%, transparent 100%);
}

/* Responsive Footer */
@media (max-width: 768px) {
  .cta-title {
    font-size: 1.8rem;
  }
  
  .cta-description {
    font-size: 1rem;
  }
  
  .footer-main {
    padding: 3rem 0 1.5rem;
  }
  
  .footer-bottom-links {
    justify-content: flex-start;
    margin-top: 1rem;
  }
  
  .social-links {
    justify-content: center;
  }
  
  .contact-item {
    padding: 0.5rem;
  }
}

/* Plugin Cards Responsive Design */
@media (max-width: 1200px) {
  .plugins-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
}

@media (max-width: 768px) {
  .plugins-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 0 16px;
  }
  
  .plugin-card {
    margin: 0;
  }
  
  .plugin-header {
    padding: 20px 20px 16px;
  }
  
  .plugin-icon {
    width: 48px;
    height: 48px;
  }
  
  .plugin-content {
    padding: 0 20px 20px;
  }
  
  .plugin-title {
    font-size: 1.3rem;
  }
  
  .plugin-description {
    font-size: 0.9rem;
    line-height: 1.5;
  }
  
  .plugin-stats {
    flex-wrap: wrap;
    gap: 12px;
  }
  
  .stat-item {
    font-size: 0.85rem;
  }
  
  .plugin-tags {
    gap: 6px;
  }
  
  .tag {
    padding: 4px 10px;
    font-size: 0.75rem;
  }
  
  .plugin-actions {
    padding: 16px 20px 20px;
    flex-direction: column;
    gap: 12px;
  }
  
  .btn-download,
  .btn-primary {
    width: 100%;
    justify-content: center;
  }
  
  .load-more-section {
    margin-top: 40px;
    padding: 30px 16px;
  }
  
  .btn-load-more {
    padding: 16px 32px;
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .plugin-header {
    padding: 16px 16px 12px;
  }
  
  .plugin-content {
    padding: 0 16px 16px;
  }
  
  .plugin-actions {
    padding: 12px 16px 16px;
  }
  
  .plugin-title {
    font-size: 1.2rem;
  }
  
  .plugin-description {
    font-size: 0.85rem;
  }
  
  .stat-item {
    font-size: 0.8rem;
  }
  
  .tag {
    padding: 3px 8px;
    font-size: 0.7rem;
  }
  
  .btn-load-more {
    padding: 14px 28px;
    font-size: 0.95rem;
  }
}

/* Plugin Cards Animation and Interaction Effects */
@keyframes cardSlideIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.plugin-card {
  animation: cardSlideIn 0.6s ease-out;
}

.plugin-card:nth-child(1) { animation-delay: 0.1s; }
.plugin-card:nth-child(2) { animation-delay: 0.2s; }
.plugin-card:nth-child(3) { animation-delay: 0.3s; }
.plugin-card:nth-child(4) { animation-delay: 0.4s; }
.plugin-card:nth-child(5) { animation-delay: 0.5s; }
.plugin-card:nth-child(6) { animation-delay: 0.6s; }

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.plugin-icon:hover {
  animation: pulse 0.6s ease-in-out;
}

@keyframes shimmer {
  0% { background-position: -200px 0; }
  100% { background-position: calc(200px + 100%) 0; }
}

.plugin-card.loading {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200px 100%;
  animation: shimmer 1.5s infinite;
}

/* Smooth transitions for all interactive elements */
.plugin-card *,
.plugin-card *::before,
.plugin-card *::after {
  transition: all 0.3s ease;
}

/* Focus states for accessibility */
.plugin-card:focus-within {
  outline: 2px solid #667eea;
  outline-offset: 4px;
}

.btn-download:focus,
.btn-primary:focus,
.btn-load-more:focus {
  outline: 2px solid #667eea;
  outline-offset: 2px;
}