body {
      box-sizing: border-box;
    }
    
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    
    html, body {
      height: 100%;
      font-family: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
      overflow-x: hidden;
    }
    html {
      scroll-behavior: smooth;
    }
    :root {
      --primary: #6366f1;
      --primary-dark: #4f46e5;
      --secondary: #8b5cf6;
      --accent: #06b6d4;
      --bg-dark: #0f172a;
      --bg-card: #1e293b;
      --bg-hover: #334155;
      --text-primary: #f1f5f9;
      --text-secondary: #94a3b8;
      --border: #334155;
      --success: #10b981;
      --warning: #f59e0b;
      --danger: #ef4444;
    }
    
    [data-theme="light"] {
      --bg-dark: #ffffff;
      --bg-card: #f8fafc;
      --bg-hover: #e2e8f0;
      --text-primary: #0f172a;
      --text-secondary: #475569;
      --border: #e2e8f0;
    }
    
    .app-wrapper {
      width: 100%;
      min-height: 100%;
      background: var(--bg-dark);
      color: var(--text-primary);
      overflow-x: hidden;
    }
    
    /* Navigation */
    .navbar {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      height: 64px;
      background: rgba(15, 23, 42, 0.95);
      backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--border);
      z-index: 1000;
      display: flex;
      align-items: center;
      padding: 0 1rem;
    }
    
    .nav-container {
      width: 100%;
      max-width: 1400px;
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    
    .nav-brand {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      font-weight: 700;
      font-size: 1.25rem;
      color: var(--text-primary);
      text-decoration: none;
    }
    
    .brand-icon {
      width: 40px;
      height: 40px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-size: 1.25rem;
    }
    
    .nav-menu {
      display: none;
      gap: 2rem;
      list-style: none;
    }
    
    .nav-link {
      color: var(--text-secondary);
      text-decoration: none;
      font-weight: 500;
      transition: color 0.2s;
      font-size: 0.95rem;
    }
    
    .nav-link:hover {
      color: var(--text-primary);
    }
    
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }
    
    .btn {
      padding: 0.625rem 1.25rem;
      border-radius: 8px;
      font-weight: 600;
      font-size: 0.9rem;
      border: none;
      cursor: pointer;
      transition: all 0.2s;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      text-decoration: none;
    }
    
    .btn-primary {
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: white;
    }
    
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 25px rgba(99, 102, 241, 0.3);
    }
    
    .btn-ghost {
      background: transparent;
      color: var(--text-secondary);
      border: 1px solid var(--border);
    }
    
    .btn-ghost:hover {
      background: var(--bg-hover);
      color: var(--text-primary);
    }
    
    .menu-toggle {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      background: transparent;
      border: 1px solid var(--border);
      border-radius: 8px;
      color: var(--text-primary);
      cursor: pointer;
      font-size: 1.25rem;
    }
    
    /* Mobile Menu */
    .mobile-menu {
      position: fixed;
      top: 64px;
      left: 0;
      right: 0;
      background: rgba(15, 23, 42, 0.98);
      backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--border);
      padding: 1rem;
      display: none;
      z-index: 999;
    }
    
    .mobile-menu.active {
      display: block;
    }
    
    .mobile-nav-links {
      display: flex;
      flex-direction: column;
      gap: 0.5rem;
      list-style: none;
    }
    
    .mobile-nav-link {
      padding: 0.875rem 1rem;
      color: var(--text-secondary);
      text-decoration: none;
      border-radius: 8px;
      transition: all 0.2s;
      display: flex;
      align-items: center;
      gap: 0.75rem;
      font-weight: 500;
    }
    
    .mobile-nav-link:hover {
      background: var(--bg-card);
      color: var(--text-primary);
    }
    
    /* Main Content */
    .main-content {
      margin-top: 64px;
      width: 100%;
    }
    
    /* Hero Section */
    .hero-section {
      padding: 3rem 1rem;
      background: linear-gradient(180deg, var(--bg-dark) 0%, #1e293b 100%);
      position: relative;
      overflow: hidden;
    }
    
    .hero-section::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
                  radial-gradient(circle at 80% 50%, rgba(139, 92, 246, 0.15) 0%, transparent 50%);
      pointer-events: none;
    }
    
    .hero-container {
      max-width: 1400px;
      margin: 0 auto;
      position: relative;
      z-index: 1;
    }
    
    .hero-content {
      text-align: center;
      margin-bottom: 3rem;
    }
    
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.5rem 1rem;
      background: rgba(99, 102, 241, 0.1);
      border: 1px solid rgba(99, 102, 241, 0.3);
      border-radius: 50px;
      color: var(--primary);
      font-size: 0.875rem;
      font-weight: 600;
      margin-bottom: 1.5rem;
    }
    
    .hero-title {
      font-size: 2rem;
      font-weight: 800;
      line-height: 1.2;
      margin-bottom: 1rem;
      background: linear-gradient(135deg, var(--text-primary), var(--primary));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    
    .hero-description {
      font-size: 1.125rem;
      color: var(--text-secondary);
      max-width: 600px;
      margin: 0 auto 2rem;
      line-height: 1.6;
    }
    
    .hero-actions {
      display: flex;
      gap: 1rem;
      justify-content: center;
      flex-wrap: wrap;
    }
    
    /* Dashboard Preview */
    .dashboard-preview {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 1.5rem;
      box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    }
    
    .dashboard-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 1.5rem;
      flex-wrap: wrap;
      gap: 1rem;
    }
    
    .dashboard-title {
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--text-primary);
    }
    
    .dashboard-tabs {
      display: flex;
      gap: 0.5rem;
      background: var(--bg-dark);
      padding: 0.25rem;
      border-radius: 10px;
    }
    
    .tab-btn {
      padding: 0.5rem 1rem;
      background: transparent;
      border: none;
      color: var(--text-secondary);
      font-weight: 600;
      font-size: 0.875rem;
      border-radius: 8px;
      cursor: pointer;
      transition: all 0.2s;
    }
    
    .tab-btn.active {
      background: var(--bg-card);
      color: var(--text-primary);
    }
    
    /* Stats Grid */
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
      gap: 1rem;
      margin-bottom: 1.5rem;
    }
    
    .stat-card {
      background: var(--bg-dark);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 1.25rem;
      transition: all 0.2s;
    }
    
    .stat-card:hover {
      transform: translateY(-2px);
      border-color: var(--primary);
    }
    
    .stat-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 0.75rem;
    }
    
    .stat-label {
      font-size: 0.75rem;
      color: var(--text-secondary);
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }
    
    .stat-icon {
      width: 32px;
      height: 32px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.875rem;
    }
    
    .stat-value {
      font-size: 1.75rem;
      font-weight: 800;
      color: var(--text-primary);
      margin-bottom: 0.25rem;
    }
    
    .stat-change {
      display: flex;
      align-items: center;
      gap: 0.25rem;
      font-size: 0.75rem;
      font-weight: 600;
    }
    
    .stat-change.positive {
      color: var(--success);
    }
    
    /* Dashboard Grid */
    .dashboard-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 1rem;
    }
    
    .dashboard-card {
      background: var(--bg-dark);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 1.25rem;
    }
    
    .card-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 1rem;
    }
    
    .card-title {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-primary);
    }
    
    .card-action {
      padding: 0.375rem 0.75rem;
      background: transparent;
      border: 1px solid var(--border);
      color: var(--text-secondary);
      border-radius: 6px;
      font-size: 0.8rem;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.2s;
    }
    
    .card-action:hover {
      background: var(--bg-hover);
      color: var(--text-primary);
    }
    
    /* List Items */
    .list-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0.875rem;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 8px;
      margin-bottom: 0.75rem;
      transition: all 0.2s;
    }
    
    .list-item:hover {
      border-color: var(--primary);
      transform: translateX(4px);
    }
    
    .list-item:last-child {
      margin-bottom: 0;
    }
    
    .item-info {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      flex: 1;
    }
    
    .item-avatar {
      width: 40px;
      height: 40px;
      border-radius: 10px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-weight: 700;
      font-size: 0.875rem;
      flex-shrink: 0;
    }
    
    .item-details {
      flex: 1;
      min-width: 0;
    }
    
    .item-name {
      font-weight: 600;
      color: var(--text-primary);
      font-size: 0.9rem;
      margin-bottom: 0.125rem;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    
    .item-meta {
      font-size: 0.75rem;
      color: var(--text-secondary);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    
    .item-action {
      padding: 0.375rem 0.875rem;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: white;
      border: none;
      border-radius: 6px;
      font-size: 0.75rem;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.2s;
      flex-shrink: 0;
    }
    
    .item-action:hover {
      transform: translateY(-2px);
      box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
    }
    
    .badge {
      padding: 0.25rem 0.625rem;
      border-radius: 6px;
      font-size: 0.7rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      flex-shrink: 0;
    }
    
    .badge-primary {
      background: rgba(99, 102, 241, 0.2);
      color: var(--primary);
    }
    
    .badge-success {
      background: rgba(16, 185, 129, 0.2);
      color: var(--success);
    }
    
    /* Features Section */
    .section {
      padding: 4rem 1rem;
    }
    
    .section-container {
      max-width: 1400px;
      margin: 0 auto;
    }
    
    .section-header {
      text-align: center;
      margin-bottom: 3rem;
    }
    
    .section-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.5rem 1rem;
      background: rgba(99, 102, 241, 0.1);
      border: 1px solid rgba(99, 102, 241, 0.3);
      border-radius: 50px;
      color: var(--primary);
      font-size: 0.875rem;
      font-weight: 600;
      margin-bottom: 1rem;
    }
    
    .section-title {
      font-size: 2rem;
      font-weight: 800;
      margin-bottom: 0.75rem;
      color: var(--text-primary);
    }
    
    .section-description {
      font-size: 1.125rem;
      color: var(--text-secondary);
      max-width: 600px;
      margin: 0 auto;
      line-height: 1.6;
    }
    
    .features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 1.5rem;
    }
    
    .feature-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 1.75rem;
      transition: all 0.3s;
    }
    
    .feature-card:hover {
      transform: translateY(-4px);
      border-color: var(--primary);
      box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
    }
    
    .feature-icon {
      width: 56px;
      height: 56px;
      border-radius: 12px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      color: white;
      margin-bottom: 1.25rem;
    }
    
    .feature-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 0.75rem;
    }
    
    .feature-description {
      font-size: 0.95rem;
      color: var(--text-secondary);
      line-height: 1.6;
    }
    
    /* Pricing Section */
    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 1.5rem;
      max-width: 1200px;
      margin: 0 auto;
    }
    
    .pricing-card {
      background: var(--bg-card);
      border: 2px solid var(--border);
      border-radius: 20px;
      padding: 2rem;
      position: relative;
      transition: all 0.3s;
    }
    
    .pricing-card.featured {
      border-color: var(--primary);
      transform: scale(1.05);
    }
    
    .pricing-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
    }
    
    .pricing-badge {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      padding: 0.375rem 1rem;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: white;
      border-radius: 50px;
      font-size: 0.75rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }
    
    .pricing-header {
      text-align: center;
      margin-bottom: 1.5rem;
    }
    
    .pricing-name {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 0.5rem;
    }
    
    .pricing-price {
      font-size: 3rem;
      font-weight: 800;
      color: var(--text-primary);
      margin-bottom: 0.25rem;
    }
    
    .pricing-price span {
      font-size: 1rem;
      color: var(--text-secondary);
      font-weight: 500;
    }
    
    .pricing-description {
      font-size: 0.9rem;
      color: var(--text-secondary);
    }
    
    .pricing-features {
      list-style: none;
      margin: 1.5rem 0;
    }
    
    .pricing-features li {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      padding: 0.625rem 0;
      color: var(--text-secondary);
      font-size: 0.9rem;
    }
    
    .pricing-features i {
      color: var(--success);
      font-size: 0.875rem;
    }
    
    /* Footer */
    .footer {
      background: var(--bg-card);
      border-top: 1px solid var(--border);
      padding: 3rem 1rem 2rem;
    }
    
    .footer-container {
      max-width: 1400px;
      margin: 0 auto;
    }
    
    .footer-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 2rem;
      margin-bottom: 2rem;
    }
    
    .footer-brand {
      grid-column: 1 / -1;
    }
    
    .footer-logo {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      font-weight: 700;
      font-size: 1.25rem;
      color: var(--text-primary);
      margin-bottom: 0.75rem;
    }
    
    .footer-description {
      color: var(--text-secondary);
      font-size: 0.9rem;
      line-height: 1.6;
      max-width: 400px;
    }
    
    .footer-title {
      font-size: 0.875rem;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 1rem;
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }
    
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 0.625rem;
    }
    
    .footer-links a {
      color: var(--text-secondary);
      text-decoration: none;
      font-size: 0.9rem;
      transition: color 0.2s;
    }
    
    .footer-links a:hover {
      color: var(--text-primary);
    }
    
    .footer-bottom {
      padding-top: 2rem;
      border-top: 1px solid var(--border);
      text-align: center;
      color: var(--text-secondary);
      font-size: 0.875rem;
    }
    
    /* Responsive Design */
    @media (min-width: 768px) {
      .nav-menu {
        display: flex;
      }
      
      .menu-toggle {
        display: none;
      }
      
      .hero-title {
        font-size: 3rem;
      }
      
      .dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      
      .stats-grid {
        grid-template-columns: repeat(4, 1fr);
      }
    }
    
    @media (min-width: 1024px) {
      .hero-title {
        font-size: 3.5rem;
      }
      
      .hero-section {
        padding: 5rem 2rem;
      }
      
      .section {
        padding: 5rem 2rem;
      }
      
      .footer-brand {
        grid-column: span 2;
      }
    }
    
    @media (max-width: 767px) {
      .navbar {
        padding: 0 1rem;
      }
      
      .nav-actions .btn {
        display: none;
      }
      
      .hero-title {
        font-size: 1.75rem;
      }
      
      .hero-description {
        font-size: 1rem;
      }
      
      .dashboard-tabs {
        width: 100%;
        justify-content: space-between;
      }
      
      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      
      .section-title {
        font-size: 1.75rem;
      }
      
      .pricing-card.featured {
        transform: scale(1);
      }
    }
    
    .video-wrapper {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  background: var(--bg-card);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

/* iframe */
.video-wrapper iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: none;
}

/* overlay */
.video-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    135deg,
    rgba(99,102,241,0.15),
    rgba(139,92,246,0.15)
  );
  cursor: pointer;
}

/* play button */
.play-btn {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: none;
  background: var(--primary);
  color: #fff;
  font-size: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: pulse 1.8s infinite;
}

/* pulse effect */
@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(99,102,241,0.6);
  }
  70% {
    box-shadow: 0 0 0 25px rgba(99,102,241,0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(99,102,241,0);
  }
}
.video-overlay iframe{
    width: 100%;
    height: 100%;
}


.billing-toggle {
  margin-top: 1.5rem;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
}

/* switch container */
.toggle-switch {
  position: relative;
  width: 56px;
  height: 30px;
}

/* hide checkbox */
.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

/* slider */
.slider {
  position: absolute;
  inset: 0;
  background: #e5e7eb;
  border-radius: 999px;
  transition: background 0.3s ease;
}

/* knob */
.slider::before {
  content: "";
  position: absolute;
  height: 24px;
  width: 24px;
  left: 3px;
  top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.3s ease;
  box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

/* checked state */
.toggle-switch input:checked + .slider {
  background: var(--primary);
}

.toggle-switch input:checked + .slider::before {
  transform: translateX(26px);
}

/* labels */
.billing-label {
  color: var(--text-primary);
}

.billing-note {
  color: var(--text-secondary);
  font-weight: 500;
}


.policy-modal {
  position: fixed;
  background: rgba(0,0,0,0.6);
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.policy-modal-content {
  background: var(--bg-card);
  max-width: 700px;
  width: 90%;
  border-radius: 16px;
  padding: 2rem;
  position: relative;
  max-height: 80vh;
  overflow-y: auto;
}

.policy-modal-content h3 {
  margin-bottom: 1rem;
  font-size: 1.75rem;
  color: var(--text-primary);
}

.policy-modal-content p {
  margin-bottom: 1rem;
  color:var(--text-secondary);
  line-height: 1.6;
}

.policy-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  font-size: 2rem;
  cursor: pointer;
}