* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    
    body {
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
      line-height: 1.6;
      color: #e5e7eb;
      background: #0a0a0a;
      overflow-x: hidden;
    }

    /* Animated background */
    .bg-animation {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      z-index: -1;
      background: radial-gradient(circle at 20% 80%, #ff6b6b22 0%, transparent 50%),
                  radial-gradient(circle at 80% 20%, #4ecdc422 0%, transparent 50%),
                  radial-gradient(circle at 40% 40%, #45b7d122 0%, transparent 50%);
      animation: bgShift 15s ease-in-out infinite;
    }

    @keyframes bgShift {
      0%, 100% { 
        background: radial-gradient(circle at 20% 80%, #ff6b6b22 0%, transparent 50%),
                    radial-gradient(circle at 80% 20%, #4ecdc422 0%, transparent 50%),
                    radial-gradient(circle at 40% 40%, #45b7d122 0%, transparent 50%);
      }
      33% { 
        background: radial-gradient(circle at 60% 10%, #ff6b6b22 0%, transparent 50%),
                    radial-gradient(circle at 10% 60%, #4ecdc422 0%, transparent 50%),
                    radial-gradient(circle at 90% 90%, #45b7d122 0%, transparent 50%);
      }
      66% { 
        background: radial-gradient(circle at 90% 30%, #ff6b6b22 0%, transparent 50%),
                    radial-gradient(circle at 30% 90%, #4ecdc422 0%, transparent 50%),
                    radial-gradient(circle at 10% 10%, #45b7d122 0%, transparent 50%);
      }
    }
    
    .container {
      max-width: 1400px;
      margin: 0 auto;
      padding: 0 1rem;
    }
    
    /* Navigation */
    nav {
      position: fixed;
      top: 0;
      width: 100%;
      z-index: 1000;
      backdrop-filter: blur(20px);
      background: rgba(10, 10, 10, 0.8);
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      transition: all 0.3s ease;
    }

    .nav-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 1rem 2rem;
      max-width: 1400px;
      margin: 0 auto;
    }

    .logo {
      font-size: 1.5rem;
      font-weight: 800;
      background: linear-gradient(135deg, #ff6b6b, #4ecdc4, #45b7d1);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .nav-links {
      display: flex;
      gap: 2rem;
      align-items: center;
    }

    .nav-links a {
      color: #e5e7eb;
      text-decoration: none;
      font-weight: 500;
      transition: color 0.3s ease;
      position: relative;
    }

    .nav-links a:hover {
      color: #4ecdc4;
    }

    .nav-links a::after {
      content: '';
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 0;
      height: 2px;
      background: linear-gradient(90deg, #ff6b6b, #4ecdc4);
      transition: width 0.3s ease;
    }

    .nav-links a:hover::after {
      width: 100%;
    }
    
    /* Hero Section - Full viewport */
    .hero-section {
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
      padding: 6rem 1rem 2rem;
      background: linear-gradient(135deg, 
        rgba(255, 107, 107, 0.05) 0%, 
        rgba(78, 205, 196, 0.05) 50%, 
        rgba(69, 183, 209, 0.05) 100%);
    }

    .hero-particles {
      position: absolute;
      width: 100%;
      height: 100%;
      overflow: hidden;
    }

    .particle {
      position: absolute;
      width: 4px;
      height: 4px;
      background: #4ecdc4;
      border-radius: 50%;
      animation: float 6s ease-in-out infinite;
      opacity: 0.6;
    }

    .particle:nth-child(1) { left: 10%; animation-delay: 0s; background: #ff6b6b; }
    .particle:nth-child(2) { left: 20%; animation-delay: 0.5s; background: #4ecdc4; }
    .particle:nth-child(3) { left: 30%; animation-delay: 1s; background: #45b7d1; }
    .particle:nth-child(4) { left: 40%; animation-delay: 1.5s; background: #ff6b6b; }
    .particle:nth-child(5) { left: 50%; animation-delay: 2s; background: #4ecdc4; }
    .particle:nth-child(6) { left: 60%; animation-delay: 2.5s; background: #45b7d1; }
    .particle:nth-child(7) { left: 70%; animation-delay: 3s; background: #ff6b6b; }
    .particle:nth-child(8) { left: 80%; animation-delay: 3.5s; background: #4ecdc4; }
    .particle:nth-child(9) { left: 90%; animation-delay: 4s; background: #45b7d1; }

    @keyframes float {
      0%, 100% { transform: translateY(100vh) rotate(0deg); }
      50% { transform: translateY(-100px) rotate(180deg); }
    }
    
    .hero-content {
      text-align: center;
      max-width: 900px;
      z-index: 10;
      position: relative;
    }
    
    .hero-section h1 {
      font-size: clamp(2.5rem, 8vw, 6rem);
      font-weight: 900;
      margin-bottom: 1.5rem;
      background: linear-gradient(135deg, #ff6b6b 0%, #4ecdc4 50%, #45b7d1 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      line-height: 1.1;
      animation: glow 2s ease-in-out infinite alternate;
    }

    @keyframes glow {
      from { filter: drop-shadow(0 0 20px rgba(78, 205, 196, 0.3)); }
      to { filter: drop-shadow(0 0 30px rgba(255, 107, 107, 0.4)); }
    }
    
    .hero-subtitle {
      font-size: clamp(1.25rem, 3vw, 2rem);
      color: #9ca3af;
      margin-bottom: 2rem;
      font-weight: 300;
      animation: fadeInUp 1s ease-out 0.3s both;
    }

    .hero-description {
      font-size: clamp(1rem, 2vw, 1.25rem);
      color: #6b7280;
      margin-bottom: 3rem;
      line-height: 1.8;
      animation: fadeInUp 1s ease-out 0.6s both;
    }

    @keyframes fadeInUp {
      from { opacity: 0; transform: translateY(30px); }
      to { opacity: 1; transform: translateY(0); }
    }
    
    .hero-buttons {
      display: flex;
      flex-direction: column;
      gap: 1rem;
      align-items: center;
      margin-top: 2rem;
      animation: fadeInUp 1s ease-out 0.9s both;
    }
    
    @media (min-width: 640px) {
      .hero-buttons {
        flex-direction: row;
        justify-content: center;
        gap: 2rem;
      }
    }
    
    .btn {
      display: inline-block;
      padding: 1.25rem 2.5rem;
      text-decoration: none;
      border-radius: 50px;
      font-weight: 600;
      font-size: 1.1rem;
      transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
      position: relative;
      overflow: hidden;
      min-width: 200px;
      text-align: center;
    }

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

    .btn:hover::before {
      left: 100%;
    }
    
    .btn-primary {
      background: linear-gradient(135deg, #ff6b6b 0%, #ff8e53 100%);
      color: white;
      box-shadow: 0 10px 30px rgba(255, 107, 107, 0.3);
    }
    
    .btn-primary:hover {
      transform: translateY(-3px) scale(1.05);
      box-shadow: 0 20px 40px rgba(255, 107, 107, 0.4);
    }
    
    .btn-secondary {
      background: linear-gradient(135deg, #4ecdc4 0%, #44a08d 100%);
      color: white;
      box-shadow: 0 10px 30px rgba(78, 205, 196, 0.3);
    }
    
    .btn-secondary:hover {
      transform: translateY(-3px) scale(1.05);
      box-shadow: 0 20px 40px rgba(78, 205, 196, 0.4);
    }

    /* Section styling */
    section {
      padding: 6rem 0;
      position: relative;
    }

    h2 {
      font-size: clamp(2rem, 5vw, 3.5rem);
      font-weight: 800;
      text-align: center;
      margin-bottom: 3rem;
      background: linear-gradient(135deg, #e5e7eb 0%, #9ca3af 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    /* Features with glassmorphism */
    .features {
      display: grid;
      gap: 2rem;
      margin: 4rem 0;
    }
    
    @media (min-width: 640px) {
      .features {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    
    @media (min-width: 1024px) {
      .features {
        grid-template-columns: repeat(3, 1fr);
      }
    }
    
    .feature-box {
      background: rgba(255, 255, 255, 0.05);
      backdrop-filter: blur(20px);
      padding: 2.5rem;
      border-radius: 20px;
      border: 1px solid rgba(255, 255, 255, 0.1);
      transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
      position: relative;
      overflow: hidden;
    }

    .feature-box::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: linear-gradient(135deg, rgba(255, 107, 107, 0.1) 0%, rgba(78, 205, 196, 0.1) 100%);
      opacity: 0;
      transition: opacity 0.3s ease;
    }

    .feature-box:hover::before {
      opacity: 1;
    }
    
    .feature-box:hover {
      transform: translateY(-10px) scale(1.02);
      border-color: rgba(78, 205, 196, 0.3);
      box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    }
    
    .feature-box h3 {
      font-size: 1.5rem;
      margin-bottom: 1rem;
      color: #f3f4f6;
      position: relative;
      z-index: 1;
    }
    
    .feature-box p {
      color: #9ca3af;
      line-height: 1.7;
      position: relative;
      z-index: 1;
    }

    /* Examples with neon effects */
    .examples-section {
      margin: 6rem 0;
      position: relative;
    }

    .example-grid {
      display: grid;
      gap: 2rem;
      margin: 4rem 0;
    }
    
    @media (min-width: 768px) {
      .example-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    
    .example-card {
      background: rgba(255, 255, 255, 0.03);
      backdrop-filter: blur(15px);
      padding: 2rem;
      border-radius: 15px;
      border: 1px solid rgba(255, 255, 255, 0.1);
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
    }

    .example-card::after {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background: linear-gradient(90deg, #ff6b6b, #4ecdc4, #45b7d1);
      transform: translateX(-100%);
      transition: transform 0.6s ease;
    }

    .example-card:hover::after {
      transform: translateX(0);
    }
    
    .example-card:hover {
      transform: translateY(-5px);
      border-color: rgba(78, 205, 196, 0.3);
      box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    }
    
    .example-text {
      font-style: italic;
      color: #d1d5db;
      margin-bottom: 1.5rem;
      padding: 1.5rem;
      background: rgba(0, 0, 0, 0.3);
      border-radius: 10px;
      border-left: 3px solid #4ecdc4;
      line-height: 1.6;
    }
    
    .example-result {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      font-weight: 600;
      margin-bottom: 1rem;
      font-size: 1.1rem;
    }
    
    .status-safe { 
      color: #10b981; 
      text-shadow: 0 0 10px rgba(16, 185, 129, 0.5);
    }
    
    .status-flagged { 
      color: #ef4444; 
      text-shadow: 0 0 10px rgba(239, 68, 68, 0.5);
    }
    
    .example-card small {
      color: #6b7280;
      line-height: 1.5;
    }

    /* Stats with animated counters */
    .stats-section {
      background: linear-gradient(135deg, rgba(255, 107, 107, 0.1) 0%, rgba(78, 205, 196, 0.1) 100%);
      backdrop-filter: blur(20px);
      padding: 4rem 2rem;
      border-radius: 30px;
      margin: 6rem 0;
      text-align: center;
      border: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 2rem;
      margin-top: 3rem;
    }
    
    @media (min-width: 640px) {
      .stats-grid {
        grid-template-columns: repeat(4, 1fr);
      }
    }
    
    .stat-item h3 {
      font-size: clamp(2rem, 4vw, 3.5rem);
      margin-bottom: 0.5rem;
      font-weight: 900;
      text-shadow: 0 0 20px currentColor;
    }
    
    .stat-item p {
      color: #9ca3af;
      font-weight: 500;
      font-size: 1.1rem;
    }
    
    .stat-item:nth-child(1) h3 { color: #ff6b6b; }
    .stat-item:nth-child(2) h3 { color: #4ecdc4; }
    .stat-item:nth-child(3) h3 { color: #45b7d1; }
    .stat-item:nth-child(4) h3 { color: #ffd93d; }

    /* How it works with timeline */
    .how-it-works {
      margin: 6rem 0;
      position: relative;
    }

    .steps-container {
      position: relative;
      max-width: 800px;
      margin: 0 auto;
    }

    .steps-container::before {
      content: '';
      position: absolute;
      left: 30px;
      top: 0;
      bottom: 0;
      width: 2px;
      background: linear-gradient(180deg, #ff6b6b, #4ecdc4, #45b7d1);
    }

    @media (min-width: 640px) {
      .steps-container::before {
        left: 50%;
        transform: translateX(-50%);
      }
    }
    
    .step {
      display: flex;
      align-items: center;
      gap: 2rem;
      margin: 4rem 0;
      position: relative;
    }

    @media (min-width: 640px) {
      .step:nth-child(even) {
        flex-direction: row-reverse;
      }
    }
    
    .step-number {
      width: 60px;
      height: 60px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      font-weight: bold;
      color: white;
      flex-shrink: 0;
      position: relative;
      z-index: 2;
      box-shadow: 0 0 20px currentColor;
    }
    
    .step:nth-child(1) .step-number { 
      background: linear-gradient(135deg, #ff6b6b 0%, #ff8e53 100%); 
    }
    .step:nth-child(2) .step-number { 
      background: linear-gradient(135deg, #4ecdc4 0%, #44a08d 100%); 
    }
    .step:nth-child(3) .step-number { 
      background: linear-gradient(135deg, #45b7d1 0%, #2563eb 100%); 
    }
    
    .step-content {
      flex: 1;
      background: rgba(255, 255, 255, 0.05);
      backdrop-filter: blur(10px);
      padding: 2rem;
      border-radius: 15px;
      border: 1px solid rgba(255, 255, 255, 0.1);
      transition: all 0.3s ease;
    }

    .step-content:hover {
      transform: translateX(10px);
      border-color: rgba(78, 205, 196, 0.3);
    }

    @media (min-width: 640px) {
      .step:nth-child(even) .step-content:hover {
        transform: translateX(-10px);
      }
    }
    
    .step-content h3 {
      margin-bottom: 1rem;
      font-size: 1.5rem;
      color: #f3f4f6;
    }
    
    .step-content p {
      color: #9ca3af;
      line-height: 1.7;
    }
    
    /* Data Collection Section */
.data-collection-section {
  padding: 6rem 0;
  background: linear-gradient(135deg, rgba(255, 107, 107, 0.05) 0%, rgba(78, 205, 196, 0.05) 100%);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.data-content {
  max-width: 800px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(15px);
  padding: 2rem;
  border-radius: 15px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease;
}

.data-content:hover {
  transform: translateY(-5px);
  border-color: rgba(78, 205, 196, 0.3);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.data-content p {
  color: #9ca3af;
  font-size: 1.1rem;
  line-height: 1.7;
}

.privacy-link {
  color: #4ecdc4;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

.privacy-link:hover {
  color: #ff6b6b;
  text-decoration: underline;
}
    /* CTA Section */
    .cta-section {
      text-align: center;
      margin: 6rem 0;
      padding: 4rem 2rem;
      background: linear-gradient(135deg, rgba(255, 107, 107, 0.1) 0%, rgba(78, 205, 196, 0.1) 100%);
      backdrop-filter: blur(20px);
      border-radius: 30px;
      border: 1px solid rgba(255, 255, 255, 0.1);
      position: relative;
      overflow: hidden;
    }

    .cta-section::before {
      content: '';
      position: absolute;
      top: -50%;
      left: -50%;
      width: 200%;
      height: 200%;
      background: conic-gradient(from 0deg, transparent, rgba(78, 205, 196, 0.1), transparent);
      animation: rotate 20s linear infinite;
    }

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

    .cta-section > * {
      position: relative;
      z-index: 1;
    }
    
    .cta-section p {
      color: #9ca3af;
      max-width: 600px;
      margin: 2rem auto 3rem;
      font-size: 1.25rem;
      line-height: 1.7;
    }

    /* Footer */
    footer {
      background: rgba(0, 0, 0, 0.8);
      backdrop-filter: blur(20px);
      padding: 3rem 2rem;
      margin-top: 6rem;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      text-align: center;
    }
    
    footer p {
      color: #6b7280;
      margin-bottom: 1rem;
    }

    footer p:first-child {
      font-size: 1.25rem;
      background: linear-gradient(135deg, #ff6b6b, #4ecdc4);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      font-weight: 600;
    }

    /* Mobile menu */
    .mobile-menu {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100vh;
      background: rgba(10, 10, 10, 0.95);
      backdrop-filter: blur(20px);
      z-index: 999;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 2rem;
    }

    .mobile-menu a {
      color: #e5e7eb;
      text-decoration: none;
      font-size: 1.5rem;
      font-weight: 600;
    }

    .menu-toggle {
      display: none;
      flex-direction: column;
      cursor: pointer;
      gap: 4px;
    }

    .menu-toggle span {
      width: 25px;
      height: 3px;
      background: #e5e7eb;
      transition: 0.3s;
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
      }
      
      .menu-toggle {
        display: flex;
      }
    }

    /* Scroll animations */
    .fade-in {
      opacity: 0;
      transform: translateY(30px);
      transition: all 0.6s ease;
    }

    .fade-in.visible {
      opacity: 1;
      transform: translateY(0);
    }

    /* Utility classes */
    .text-center { text-align: center; }
    .mb-2 { margin-bottom: 2rem; }