/* ========================================
   DIOOZ - Design System
   Modern dark theme bootcamp platform
======================================== */

/* CSS Variables */
:root {
  /* Colors */
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);
  --bg-glass: rgba(255, 255, 255, 0.05);
  
  --text-primary: #ffffff;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  
  --accent-primary: #8b5cf6;
  --accent-secondary: #6366f1;
  --accent-gradient: linear-gradient(135deg, #8b5cf6 0%, #6366f1 50%, #3b82f6 100%);
  --accent-glow: rgba(139, 92, 246, 0.3);
  
  --success: #22c55e;
  --warning: #f59e0b;
  --error: #ef4444;
  --streak: #f97316;
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.15);
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3.5rem;
  
  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px var(--accent-glow);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
}

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-family);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Background gradient */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 60vh;
  background: radial-gradient(ellipse at 50% 0%, rgba(139, 92, 246, 0.15) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

img {
  max-width: 100%;
  display: block;
}

ul, ol {
  list-style: none;
}

/* ========================================
   Layout Components
======================================== */

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.page {
  min-height: 100vh;
  padding-top: 80px;
}

/* ========================================
   Navbar
======================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 70px;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  display: flex;
  align-items: center;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-brand {
  font-size: var(--font-size-xl);
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-link {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background: var(--bg-glass);
}

/* ========================================
   Buttons
======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-gradient);
  color: white;
  box-shadow: var(--shadow-md), 0 0 20px rgba(139, 92, 246, 0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(139, 92, 246, 0.3);
}

.btn-secondary {
  background: var(--bg-glass);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
}

.btn-ghost {
  color: var(--text-secondary);
}

.btn-ghost:hover {
  color: var(--text-primary);
  background: var(--bg-glass);
}

.btn-lg {
  padding: var(--space-md) var(--space-xl);
  font-size: var(--font-size-md);
  border-radius: var(--radius-xl);
}

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

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-md);
}

/* ========================================
   Cards
======================================== */

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  transition: all var(--transition-base);
}

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

.card-glass {
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
}

/* ========================================
   Progress Components
======================================== */

.progress-bar {
  height: 8px;
  background: var(--bg-secondary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

.progress-ring {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.progress-ring svg {
  transform: rotate(-90deg);
}

.progress-ring-bg {
  fill: none;
  stroke: var(--bg-secondary);
}

.progress-ring-fill {
  fill: none;
  stroke: url(#progress-gradient);
  stroke-linecap: round;
  transition: stroke-dashoffset var(--transition-slow);
}

.progress-ring-text {
  position: absolute;
  font-size: var(--font-size-2xl);
  font-weight: 700;
}

/* ========================================
   Streak Badge
======================================== */

.streak-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: linear-gradient(135deg, rgba(249, 115, 22, 0.2) 0%, rgba(234, 88, 12, 0.1) 100%);
  border: 1px solid rgba(249, 115, 22, 0.3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--streak);
}

.streak-badge .icon {
  font-size: var(--font-size-lg);
  animation: flame 1s ease-in-out infinite alternate;
}

@keyframes flame {
  from { transform: scale(1); }
  to { transform: scale(1.1); }
}

/* ========================================
   Form Elements
======================================== */

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-secondary);
}

.form-input {
  width: 100%;
  padding: var(--space-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  font-size: var(--font-size-md);
  transition: all var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.form-input::placeholder {
  color: var(--text-muted);
}

textarea.form-input {
  min-height: 150px;
  resize: vertical;
}

/* ========================================
   Checkbox & Radio
======================================== */

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--bg-glass);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.checkbox-group:hover {
  background: var(--bg-card-hover);
}

.checkbox {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  appearance: none;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.checkbox:checked {
  background: var(--accent-gradient);
  border-color: var(--accent-primary);
}

.checkbox:checked::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 14px;
  font-weight: 700;
}

/* ========================================
   Quiz Components
======================================== */

.quiz-option {
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.quiz-option:hover {
  border-color: var(--accent-primary);
  background: var(--bg-card-hover);
}

.quiz-option.selected {
  border-color: var(--accent-primary);
  background: rgba(139, 92, 246, 0.1);
}

.quiz-option.correct {
  border-color: var(--success);
  background: rgba(34, 197, 94, 0.1);
}

.quiz-option.incorrect {
  border-color: var(--error);
  background: rgba(239, 68, 68, 0.1);
}

/* ========================================
   Timeline / Accordion
======================================== */

.timeline {
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border-color);
}

.timeline-item {
  position: relative;
  padding-left: 50px;
  padding-bottom: var(--space-lg);
}

.timeline-marker {
  position: absolute;
  left: 0;
  top: 0;
  width: 32px;
  height: 32px;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: 600;
  z-index: 1;
}

.timeline-marker.completed {
  background: var(--accent-gradient);
  border-color: var(--accent-primary);
  color: white;
}

.accordion {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.accordion-item {
  border-bottom: 1px solid var(--border-color);
}

.accordion-item:last-child {
  border-bottom: none;
}

.accordion-header {
  width: 100%;
  padding: var(--space-lg);
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
  color: var(--text-primary);
  transition: background var(--transition-fast);
}

.accordion-header:hover {
  background: var(--bg-card-hover);
}

.accordion-icon {
  transition: transform var(--transition-base);
}

.accordion-item.open .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}

.accordion-item.open .accordion-content {
  max-height: 2000px;
}

.accordion-body {
  padding: var(--space-lg);
  background: var(--bg-secondary);
}

/* ========================================
   Hero Section
======================================== */

.hero {
  padding: var(--space-3xl) 0 var(--space-xl);
  text-align: center;
}

.hero-badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-lg);
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.2);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--accent-primary);
  margin-bottom: var(--space-xl);
  letter-spacing: 0.02em;
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
  letter-spacing: -0.03em;
}

.hero-title .gradient {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto var(--space-xl);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
}

/* ========================================
   Trust Bar
======================================== */

.trust-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  padding: var(--space-xl) 0;
  margin-bottom: var(--space-xl);
}

.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}

.trust-number {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.trust-label {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  font-weight: 500;
}

.trust-divider {
  width: 1px;
  height: 40px;
  background: var(--border-color);
}

/* ========================================
   Sections
======================================== */

.section {
  padding: var(--space-2xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-sm);
}

.section-subtitle {
  font-size: var(--font-size-md);
  color: var(--text-muted);
}

/* ========================================
   Features Grid
======================================== */

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-lg);
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  transition: all var(--transition-base);
}

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

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
}

.feature-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.feature-text {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  line-height: 1.7;
}

/* ========================================
   CTA Section
======================================== */

.cta-section {
  padding: var(--space-2xl) 0;
}

.cta-card {
  text-align: center;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-2xl);
  padding: var(--space-3xl) var(--space-xl);
  backdrop-filter: blur(10px);
}

.cta-card h2 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

/* ========================================
   Footer
======================================== */

.footer {
  border-top: 1px solid var(--border-color);
  padding: var(--space-xl) 0;
  margin-top: var(--space-2xl);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer-tagline {
  font-size: var(--font-size-sm);
}

.footer-links {
  display: flex;
  gap: var(--space-lg);
}

.footer-link {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-color);
  text-align: center;
  font-size: var(--font-size-xs);
}

/* ========================================
   Bootcamp Grid
======================================== */

.bootcamp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-lg);
}

.bootcamp-card {
  display: flex;
  flex-direction: column;
}

.bootcamp-card-image {
  height: 160px;
  background: var(--accent-gradient);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  margin: calc(var(--space-lg) * -1);
  margin-bottom: var(--space-lg);
}

.bootcamp-card-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.bootcamp-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: var(--text-muted);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-md);
}

.bootcamp-card-progress {
  margin-top: auto;
  padding-top: var(--space-md);
}

/* ========================================
   Dashboard Stats
======================================== */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
}

.stat-card {
  text-align: center;
  padding: var(--space-xl);
}

.stat-value {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-top: var(--space-sm);
}

/* ========================================
   Activity Heatmap
======================================== */

.heatmap {
  display: flex;
  gap: 3px;
  flex-wrap: wrap;
}

.heatmap-day {
  width: 14px;
  height: 14px;
  background: var(--bg-secondary);
  border-radius: 3px;
}

.heatmap-day.level-1 { background: rgba(139, 92, 246, 0.2); }
.heatmap-day.level-2 { background: rgba(139, 92, 246, 0.4); }
.heatmap-day.level-3 { background: rgba(139, 92, 246, 0.6); }
.heatmap-day.level-4 { background: var(--accent-primary); }

/* ========================================
   Lesson Content
======================================== */

.lesson-content {
  font-size: var(--font-size-lg);
  line-height: 1.8;
  color: var(--text-secondary);
}

.lesson-content h1, 
.lesson-content h2, 
.lesson-content h3 {
  color: var(--text-primary);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
}

.lesson-content p {
  margin-bottom: var(--space-md);
}

.lesson-content code {
  background: var(--bg-secondary);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-size: 0.9em;
}

.lesson-content pre {
  background: var(--bg-secondary);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  margin: var(--space-lg) 0;
}

.lesson-content pre code {
  background: none;
  padding: 0;
}

/* Video embed */
.video-container {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  margin: var(--space-xl) 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--bg-secondary);
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* ========================================
   Admin / Creator
======================================== */

.curriculum-preview {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  max-height: 400px;
  overflow-y: auto;
}

.parsed-week {
  margin-bottom: var(--space-lg);
}

.parsed-week-title {
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: var(--space-sm);
}

.parsed-day {
  padding-left: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.parsed-day-title {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.parsed-lesson {
  padding-left: var(--space-lg);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

/* ========================================
   Badges
======================================== */

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

.badge-success {
  background: rgba(34, 197, 94, 0.1);
  color: var(--success);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning);
}

.badge-primary {
  background: rgba(139, 92, 246, 0.1);
  color: var(--accent-primary);
}

/* ========================================
   Empty States
======================================== */

.empty-state {
  text-align: center;
  padding: var(--space-3xl);
}

.empty-state-icon {
  font-size: 4rem;
  margin-bottom: var(--space-lg);
  opacity: 0.5;
}

.empty-state-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.empty-state-text {
  color: var(--text-muted);
  margin-bottom: var(--space-xl);
}

/* ========================================
   Utility Classes
======================================== */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-error { color: var(--error); }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

.hidden { display: none; }

/* ========================================
   Responsive
======================================== */

@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2.5rem;
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.5rem;
  }
  
  .container {
    padding: 0 var(--space-md);
  }
  
  .hero {
    padding: var(--space-xl) 0 var(--space-lg);
  }
  
  .hero-actions {
    flex-direction: column;
  }
  
  .bootcamp-grid {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .trust-bar {
    gap: var(--space-lg);
  }
  
  .trust-number {
    font-size: var(--font-size-2xl);
  }
  
  .footer-content {
    flex-direction: column;
    text-align: center;
    gap: var(--space-lg);
  }
  
  .navbar-nav {
    gap: var(--space-sm);
  }
  
  .navbar-nav .nav-link:first-child {
    display: none;
  }
}

/* ========================================
   Animations
======================================== */

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  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: 0.5; }
}

.animate-fade-in {
  animation: fadeIn 0.5s ease forwards;
}

.animate-slide-in {
  animation: slideIn 0.3s ease forwards;
}

/* Stagger children animations */
.stagger-children > * {
  opacity: 0;
  animation: fadeIn 0.4s ease forwards;
}

.stagger-children > *:nth-child(1) { animation-delay: 0.05s; }
.stagger-children > *:nth-child(2) { animation-delay: 0.1s; }
.stagger-children > *:nth-child(3) { animation-delay: 0.15s; }
.stagger-children > *:nth-child(4) { animation-delay: 0.2s; }
.stagger-children > *:nth-child(5) { animation-delay: 0.25s; }
.stagger-children > *:nth-child(6) { animation-delay: 0.3s; }