/* FocusFlow - Premium Productivity Platform Styles */

/* ============================================
   CSS Custom Properties (Design Tokens)
   ============================================ */
:root {
  /* Color Palette - Dark Futuristic Theme */
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a25;
  --bg-card: rgba(26, 26, 37, 0.6);
  --bg-glass: rgba(255, 255, 255, 0.03);
  
  /* Accent Colors - Neon Glow */
  --accent-primary: #6366f1;
  --accent-secondary: #8b5cf6;
  --accent-tertiary: #ec4899;
  --accent-cyan: #06b6d4;
  --accent-green: #10b981;
  --accent-orange: #f59e0b;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
  --gradient-glow: linear-gradient(135deg, rgba(99, 102, 241, 0.3) 0%, rgba(139, 92, 246, 0.3) 100%);
  --gradient-text: linear-gradient(135deg, #6366f1 0%, #ec4899 100%);
  
  /* Text Colors */
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-tertiary: rgba(255, 255, 255, 0.5);
  --text-muted: rgba(255, 255, 255, 0.3);
  
  /* Border & Shadow */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(99, 102, 241, 0.3);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 48px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.2);
  
  /* Typography */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  
  /* 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;
  --space-4xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

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

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

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

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

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

/* ============================================
   Navigation
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: all var(--transition-base);
}

.nav.scrolled {
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: var(--text-primary);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-icon svg {
  width: 24px;
  height: 24px;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
}

.nav-links {
  display: flex;
  gap: var(--space-xl);
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-base);
}

.nav-link:hover::after {
  width: 100%;
}

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

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.mobile-menu-btn span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition-fast);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: var(--bg-secondary);
  padding: var(--space-xl);
  flex-direction: column;
  gap: var(--space-lg);
  border-bottom: 1px solid var(--border-subtle);
}

.mobile-menu.active {
  display: flex;
}

.mobile-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 500;
  padding: var(--space-sm) 0;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(99, 102, 241, 0.5);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

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

.btn-glass {
  background: var(--bg-glass);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(10px);
}

.btn-glass:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-glow);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1rem;
}

.btn-icon {
  width: 20px;
  height: 20px;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px var(--space-xl) var(--space-4xl);
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.5;
  animation: float 20s ease-in-out infinite;
}

.orb-1 {
  width: 600px;
  height: 600px;
  background: var(--accent-primary);
  top: -200px;
  right: -100px;
  animation-delay: 0s;
}

.orb-2 {
  width: 400px;
  height: 400px;
  background: var(--accent-tertiary);
  bottom: -100px;
  left: -100px;
  animation-delay: -5s;
}

.orb-3 {
  width: 300px;
  height: 300px;
  background: var(--accent-cyan);
  top: 50%;
  left: 30%;
  animation-delay: -10s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(50px, -50px) scale(1.1); }
  50% { transform: translate(0, 50px) scale(0.95); }
  75% { transform: translate(-50px, -25px) scale(1.05); }
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-green);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

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

.hero-title {
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-2xl);
  max-width: 540px;
}

.hero-cta {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-3xl);
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-tertiary);
}

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

/* Hero Visual - Dashboard Preview */
.hero-visual {
  position: absolute;
  right: -5%;
  top: 50%;
  transform: translateY(-50%);
  width: 700px;
  z-index: 2;
}

.dashboard-preview {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  backdrop-filter: blur(20px);
}

.preview-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: rgba(0, 0, 0, 0.2);
  border-bottom: 1px solid var(--border-subtle);
}

.preview-dots {
  display: flex;
  gap: 6px;
}

.preview-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--text-muted);
}

.preview-dots span:nth-child(1) { background: #ff5f57; }
.preview-dots span:nth-child(2) { background: #ffbd2e; }
.preview-dots span:nth-child(3) { background: #28c840; }

.preview-title {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  font-weight: 500;
}

.preview-content {
  display: flex;
  height: 400px;
}

.preview-sidebar {
  width: 60px;
  background: rgba(0, 0, 0, 0.2);
  border-right: 1px solid var(--border-subtle);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.preview-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gradient-primary);
  margin-bottom: var(--space-md);
}

.preview-nav-item {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--bg-glass);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.preview-nav-item.active,
.preview-nav-item:hover {
  background: var(--accent-primary);
}

.preview-main {
  flex: 1;
  padding: var(--space-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: var(--space-md);
}

.preview-widget {
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.preview-widget.habits {
  grid-row: span 2;
}

.widget-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-md);
  font-size: 0.875rem;
  font-weight: 600;
}

.widget-stat {
  color: var(--accent-green);
}

.habit-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.habit-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.habit-check {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-subtle);
  border-radius: var(--radius-sm);
}

.habit-item.completed .habit-check {
  background: var(--accent-green);
  border-color: var(--accent-green);
}

.habit-bar {
  flex: 1;
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.habit-bar::after {
  content: '';
  display: block;
  height: 100%;
  width: 70%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

.preview-widget.timer {
  display: flex;
  align-items: center;
  justify-content: center;
}

.timer-ring {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: 4px solid var(--border-subtle);
  border-top-color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: spin 10s linear infinite;
}

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

.timer-inner {
  text-align: center;
}

.timer-time {
  display: block;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
}

.timer-label {
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.task-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.task-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.task-check {
  width: 16px;
  height: 16px;
  border: 2px solid var(--border-subtle);
  border-radius: var(--radius-sm);
}

.task-item.completed .task-check {
  background: var(--accent-green);
  border-color: var(--accent-green);
}

.task-item.priority-high .task-text {
  background: var(--accent-tertiary);
}

.task-item.priority-medium .task-text {
  background: var(--accent-orange);
}

.task-text {
  flex: 1;
  height: 8px;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
}

/* Floating Cards */
.floating-card {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(10px);
  animation: float-card 6s ease-in-out infinite;
}

.card-1 {
  top: 10%;
  left: -60px;
  animation-delay: 0s;
}

.card-2 {
  bottom: 15%;
  right: -40px;
  animation-delay: -3s;
}

@keyframes float-card {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.card-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-icon svg {
  width: 20px;
  height: 20px;
}

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

.card-title {
  font-weight: 600;
  font-size: 0.9rem;
}

.card-subtitle {
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

/* ============================================
   Features Section
   ============================================ */
.section-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-4xl) var(--space-xl);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-tag {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  color: var(--accent-primary);
  font-weight: 600;
  margin-bottom: var(--space-lg);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--space-md);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.features {
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  transition: all var(--transition-base);
}

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

.feature-card.large {
  grid-column: span 2;
  grid-row: span 2;
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
}

.feature-icon svg {
  width: 28px;
  height: 28px;
}

.feature-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.feature-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: var(--space-xl);
}

.feature-visual {
  margin-top: auto;
}

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

.heatmap-row {
  display: flex;
  gap: var(--space-xs);
}

.heatmap-cell {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
}

.heatmap-cell.level-1 { background: rgba(16, 185, 129, 0.2); }
.heatmap-cell.level-2 { background: rgba(16, 185, 129, 0.4); }
.heatmap-cell.level-3 { background: rgba(16, 185, 129, 0.6); }
.heatmap-cell.level-4 { background: rgba(16, 185, 129, 0.9); }

/* ============================================
   Dashboard Preview Section
   ============================================ */
.dashboard-preview-section {
  background: var(--bg-secondary);
}

.showcase-tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
}

.showcase-tab {
  padding: var(--space-sm) var(--space-lg);
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.showcase-tab.active,
.showcase-tab:hover {
  background: var(--bg-glass);
  border-color: var(--accent-primary);
  color: var(--text-primary);
}

.showcase-content {
  position: relative;
}

.showcase-panel {
  display: none;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.showcase-panel.active {
  display: block;
}

.panel-image {
  display: flex;
  min-height: 500px;
}

.panel-sidebar {
  width: 80px;
  background: rgba(0, 0, 0, 0.3);
  border-right: 1px solid var(--border-subtle);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.panel-logo {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  margin-bottom: var(--space-xl);
}

.panel-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.panel-nav-item {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.panel-nav-item svg {
  width: 22px;
  height: 22px;
}

.panel-nav-item.active,
.panel-nav-item:hover {
  background: var(--bg-glass);
  color: var(--accent-primary);
}

.panel-main {
  flex: 1;
  padding: var(--space-2xl);
}

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

.panel-header h3 {
  font-size: 1.5rem;
}

.panel-btn {
  padding: var(--space-sm) var(--space-lg);
  background: var(--gradient-primary);
  border: none;
  border-radius: var(--radius-md);
  color: white;
  font-family: var(--font-body);
  font-weight: 600;
  cursor: pointer;
}

.habits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.habit-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.habit-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.habit-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.habit-icon.blue { background: rgba(99, 102, 241, 0.2); }
.habit-icon.green { background: rgba(16, 185, 129, 0.2); }
.habit-icon.purple { background: rgba(139, 92, 246, 0.2); }

.habit-info {
  display: flex;
  flex-direction: column;
}

.habit-name {
  font-weight: 600;
  font-size: 0.95rem;
}

.habit-streak {
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

.habit-progress {
  display: flex;
  justify-content: center;
}

.progress-ring {
  position: relative;
  width: 80px;
  height: 80px;
}

.progress-ring svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.progress-bg {
  fill: none;
  stroke: var(--bg-tertiary);
  stroke-width: 3;
}

.progress-fill {
  fill: none;
  stroke: var(--accent-primary);
  stroke-width: 3;
  stroke-linecap: round;
  transition: stroke-dasharray var(--transition-slow);
}

.progress-fill.green { stroke: var(--accent-green); }
.progress-fill.purple { stroke: var(--accent-secondary); }

.progress-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
}

.heatmap-section h4 {
  font-size: 1rem;
  margin-bottom: var(--space-md);
  color: var(--text-secondary);
}

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

.heatmap-months {
  display: flex;
  gap: 4px;
  margin-bottom: var(--space-sm);
}

.heatmap-months span {
  width: 28px;
  font-size: 0.7rem;
  color: var(--text-tertiary);
  text-align: center;
}

.heatmap-cells {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.heatmap-cell-full {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
}

.heatmap-cell-full.level-1 { background: rgba(99, 102, 241, 0.2); }
.heatmap-cell-full.level-2 { background: rgba(99, 102, 241, 0.4); }
.heatmap-cell-full.level-3 { background: rgba(99, 102, 241, 0.6); }
.heatmap-cell-full.level-4 { background: rgba(99, 102, 241, 0.9); }

/* ============================================
   Pricing Section
   ============================================ */
.pricing {
  background: var(--bg-primary);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-3xl);
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  position: relative;
  transition: all var(--transition-base);
}

.pricing-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
}

.pricing-card.featured {
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-glow);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-xs) var(--space-md);
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  color: white;
}

.pricing-tier {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.pricing-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: var(--space-xl);
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: var(--space-xs);
  margin-bottom: var(--space-xl);
}

.price-amount {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
}

.price-period {
  color: var(--text-tertiary);
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--space-xl);
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.pricing-features li::before {
  content: '✓';
  width: 20px;
  height: 20px;
  background: rgba(16, 185, 129, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-green);
  font-size: 0.75rem;
  font-weight: 700;
}

.pricing-card .btn {
  width: 100%;
}

/* ============================================
   Testimonials Section
   ============================================ */
.testimonials {
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-3xl);
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
}

.testimonial-stars {
  display: flex;
  gap: 4px;
  margin-bottom: var(--space-lg);
}

.testimonial-stars svg {
  width: 20px;
  height: 20px;
  fill: var(--accent-orange);
  color: var(--accent-orange);
}

.testimonial-text {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: var(--space-xl);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-primary);
}

.author-info {
  display: flex;
  flex-direction: column;
}

.author-name {
  font-weight: 600;
  font-size: 0.95rem;
}

.author-role {
  font-size: 0.85rem;
  color: var(--text-tertiary);
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.cta-container {
  text-align: center;
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--space-md);
}

.cta-subtitle {
  color: var(--text-secondary);
  font-size: 1.125rem;
  margin-bottom: var(--space-xl);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-3xl);
  padding: var(--space-4xl) 0;
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.footer-logo .logo-icon {
  width: 36px;
  height: 36px;
}

.footer-logo .logo-text {
  font-size: 1.25rem;
}

.footer-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: var(--space-xl);
}

.footer-social {
  display: flex;
  gap: var(--space-md);
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-glow);
  color: var(--text-primary);
}

.footer-column h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
  color: var(--text-primary);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--space-sm);
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-xl) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-copyright {
  color: var(--text-tertiary);
  font-size: 0.9rem;
}

.footer-legal {
  display: flex;
  gap: var(--space-xl);
}

.footer-legal a {
  color: var(--text-tertiary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

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

/* ============================================
   Authentication Pages
   ============================================ */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  position: relative;
  overflow: hidden;
}

.auth-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.auth-container {
  width: 100%;
  max-width: 420px;
  position: relative;
  z-index: 1;
}

.auth-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl);
  backdrop-filter: blur(20px);
}

.auth-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.auth-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.auth-logo .logo-icon {
  width: 48px;
  height: 48px;
}

.auth-logo .logo-text {
  font-size: 1.75rem;
}

.auth-title {
  font-size: 1.75rem;
  margin-bottom: var(--space-sm);
}

.auth-subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.form-label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-input {
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

.form-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--text-secondary);
  cursor: pointer;
}

.form-checkbox input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent-primary);
}

.forgot-link {
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 500;
}

.forgot-link:hover {
  text-decoration: underline;
}

.auth-submit {
  width: 100%;
  padding: var(--space-md);
  background: var(--gradient-primary);
  border: none;
  border-radius: var(--radius-md);
  color: white;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.auth-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.4);
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin: var(--space-lg) 0;
  color: var(--text-tertiary);
  font-size: 0.85rem;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-subtle);
}

.auth-social {
  display: flex;
  gap: var(--space-md);
}

.auth-social-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.auth-social-btn:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-glow);
  color: var(--text-primary);
}

.auth-footer {
  text-align: center;
  margin-top: var(--space-xl);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.auth-footer a {
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 600;
}

.auth-footer a:hover {
  text-decoration: underline;
}

/* ============================================
   Dashboard App
   ============================================ */
.app-container {
  display: flex;
  min-height: 100vh;
}

.app-sidebar {
  width: 280px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
  z-index: 100;
}

.sidebar-header {
  padding: var(--space-xl);
  border-bottom: 1px solid var(--border-subtle);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.user-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-primary);
}

.user-info {
  display: flex;
  flex-direction: column;
}

.user-name {
  font-weight: 600;
  font-size: 0.95rem;
}

.user-email {
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

.sidebar-nav {
  flex: 1;
  padding: var(--space-lg);
  overflow-y: auto;
}

.nav-section {
  margin-bottom: var(--space-xl);
}

.nav-section-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
  padding-left: var(--space-md);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  margin-bottom: var(--space-xs);
}

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

.nav-item.active {
  background: var(--accent-primary);
  color: white;
}

.nav-item svg {
  width: 20px;
  height: 20px;
}

.nav-badge {
  margin-left: auto;
  padding: 2px 8px;
  background: var(--accent-tertiary);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}

.sidebar-footer {
  padding: var(--space-lg);
  border-top: 1px solid var(--border-subtle);
}

.app-main {
  flex: 1;
  margin-left: 280px;
  padding: var(--space-xl);
  background: var(--bg-primary);
}

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2xl);
}

.header-search {
  position: relative;
  width: 400px;
}

.header-search input {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  padding-left: 48px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
}

.header-search svg {
  position: absolute;
  left: var(--space-lg);
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  color: var(--text-tertiary);
}

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

.header-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.header-btn:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-glow);
  color: var(--text-primary);
}

.notification-dot {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 8px;
  height: 8px;
  background: var(--accent-tertiary);
  border-radius: 50%;
}

/* Dashboard Grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
}

.stat-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-md);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-icon.blue { background: rgba(99, 102, 241, 0.2); color: var(--accent-primary); }
.stat-icon.green { background: rgba(16, 185, 129, 0.2); color: var(--accent-green); }
.stat-icon.orange { background: rgba(245, 158, 11, 0.2); color: var(--accent-orange); }
.stat-icon.purple { background: rgba(139, 92, 246, 0.2); color: var(--accent-secondary); }

.stat-icon svg {
  width: 24px;
  height: 24px;
}

.stat-trend {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.85rem;
  font-weight: 600;
}

.stat-trend.up { color: var(--accent-green); }
.stat-trend.down { color: var(--accent-tertiary); }

.stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Content Grid */
.content-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-xl);
}

.content-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
}

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

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
}

.card-action {
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.card-action:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-glow);
  color: var(--text-primary);
}

/* Task List */
.task-list-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--border-subtle);
}

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

.task-checkbox {
  width: 22px;
  height: 22px;
  border: 2px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.task-checkbox:hover {
  border-color: var(--accent-primary);
}

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

.task-content {
  flex: 1;
}

.task-title {
  font-weight: 500;
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.task-title.completed {
  text-decoration: line-through;
  color: var(--text-tertiary);
}

.task-meta {
  display: flex;
  gap: var(--space-md);
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

.task-tag {
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
}

.task-tag.work { background: rgba(99, 102, 241, 0.2); color: var(--accent-primary); }
.task-tag.personal { background: rgba(16, 185, 129, 0.2); color: var(--accent-green); }
.task-tag.urgent { background: rgba(236, 72, 153, 0.2); color: var(--accent-tertiary); }

.task-priority {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.task-priority.high { background: var(--accent-tertiary); }
.task-priority.medium { background: var(--accent-orange); }
.task-priority.low { background: var(--accent-green); }

/* Activity Chart */
.activity-chart {
  height: 200px;
  display: flex;
  align-items: flex-end;
  gap: var(--space-sm);
  padding-top: var(--space-lg);
}

.chart-bar {
  flex: 1;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  position: relative;
  transition: all var(--transition-base);
  cursor: pointer;
}

.chart-bar:hover {
  background: var(--accent-primary);
}

.chart-bar::before {
  content: attr(data-value);
  position: absolute;
  top: -24px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.75rem;
  color: var(--text-secondary);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.chart-bar:hover::before {
  opacity: 1;
}

.chart-labels {
  display: flex;
  justify-content: space-between;
  margin-top: var(--space-md);
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1200px) {
  .hero-visual {
    position: relative;
    right: auto;
    top: auto;
    transform: none;
    width: 100%;
    margin-top: var(--space-3xl);
  }
  
  .hero {
    flex-direction: column;
    text-align: center;
    padding-top: 100px;
  }
  
  .hero-content {
    max-width: 100%;
  }
  
  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-cta {
    justify-content: center;
  }
  
  .hero-stats {
    justify-content: center;
  }
  
  .floating-card {
    display: none;
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .feature-card.large {
    grid-column: span 2;
  }
  
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
  }
  
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links,
  .nav-actions {
    display: none;
  }
  
  .mobile-menu-btn {
    display: flex;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .feature-card.large {
    grid-column: span 1;
    grid-row: span 1;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .app-sidebar {
    width: 100%;
    transform: translateX(-100%);
    transition: transform var(--transition-base);
  }
  
  .app-sidebar.open {
    transform: translateX(0);
  }
  
  .app-main {
    margin-left: 0;
  }
  
  .dashboard-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .content-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-stats {
    flex-direction: column;
    gap: var(--space-lg);
  }
  
  .stat-divider {
    width: 60px;
    height: 1px;
  }
  
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
  
  .habits-grid {
    grid-template-columns: 1fr;
  }
}

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

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

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Selection */
::selection {
  background: var(--accent-primary);
  color: white;
}