/* ========================================
       CSS Variables - Sinatra Brand Colors
    ======================================== */
    :root {
      --color-primary: #F5A623;
      --color-primary-hover: #ffc014;
      --color-dark: #1A1A1A;
      --color-dark-lighter: #2D2D2D;
      --color-white: #FFFFFF;
      --color-gray-50: #F9FAFB;
      --color-gray-100: #F3F4F6;
      --color-gray-200: #E5E7EB;
      --color-gray-300: #D1D5DB;
      --color-gray-400: #9CA3AF;
      --color-gray-500: #6B7280;
      --color-gray-600: #4B5563;
      --color-gray-700: #374151;
      --color-gray-800: #1F2937;
      --color-gray-900: #111827;
      
      --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
      --border-radius: 12px;
      --border-radius-sm: 8px;
      --border-radius-lg: 16px;
      --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
      --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
      --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
      --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-family);
      background-color: var(--color-white);
      color: var(--color-gray-900);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

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

    a:visited {
      color: inherit;
    }

    /* ========================================
       Header / Navigation
    ======================================== */
    .header {
      background-color: var(--color-dark);
      padding: 0 24px;
      position: sticky;
      top: 0;
      z-index: 100;
    }

    .header-container {
      max-width: 1280px;
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 64px;
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
      color: var(--color-white);
      font-weight: 700;
      font-size: 18px;
      letter-spacing: 0.5px;
    }

    .logo-icon {
      width: 32px;
      height: 32px;
      background-color: var(--color-primary);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .logo-icon svg {
      width: 20px;
      height: 20px;
      fill: var(--color-dark);
    }

    .nav {
      display: flex;
      align-items: center;
      gap: 32px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
      list-style: none;
    }

    .nav-link {
      color: var(--color-white);
      text-decoration: none;
      font-size: 14px;
      font-weight: 500;
      padding: 8px 12px;
      border-radius: var(--border-radius-sm);
      transition: background-color 0.2s;
    }

    .nav-link:hover {
      background-color: var(--color-dark-lighter);
    }

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

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 14px 28px;
      font-size: 14px;
      font-weight: 600;
      border-radius: 5px;
      text-decoration: none;
      cursor: pointer;
      transition: all 0.2s;
      border: none;
      box-shadow: none !important;
    }

    .btn-ghost {
      background-color: transparent !important;
      color: var(--color-white) !important;
      border: 1px solid var(--color-gray-600) !important;
    }

    .btn-ghost:hover {
      background-color: var(--color-dark-lighter) !important;
      color: var(--color-white) !important;
    }

    .btn-primary {
      background-color: #f7a600 !important;
      color: #1a1a1a !important;
    }

    .btn-primary:hover {
      background-color: #ffc014 !important;
      color: #1a1a1a !important;
    }

    .btn-outline {
      background-color: transparent !important;
      color: #ffffff !important;
      border: 1px solid rgba(255,255,255,0.3) !important;
    }

    .btn-outline:hover {
      background-color: rgba(255,255,255,0.1) !important;
      color: #ffffff !important;
    }

    .btn-dark {
      background-color: #1a1a1a !important;
      color: #ffffff !important;
    }

    .btn-dark:hover {
      background-color: #2d2d2d !important;
      color: #ffffff !important;
    }

    @media (max-width: 900px) {
      .nav-links {
        display: none;
      }
    }

    /* ========================================
       AI Background Decorative Elements
    ======================================== */
    .ai-bg-elements {
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      pointer-events: none;
      overflow: hidden;
      z-index: 0;
    }
    
    /* Neural network grid pattern */
    .ai-grid-pattern {
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background-image: 
        linear-gradient(rgba(247, 166, 0, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(247, 166, 0, 0.03) 1px, transparent 1px);
      background-size: 60px 60px;
    }
    
    /* Floating circuit nodes */
    .ai-node {
      position: absolute;
      border-radius: 50%;
      background: rgba(247, 166, 0, 0.1);
      border: 1px solid rgba(247, 166, 0, 0.2);
    }
    
    .ai-node::after {
      content: '';
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 30%;
      height: 30%;
      background: rgba(247, 166, 0, 0.4);
      border-radius: 50%;
    }
    
    .ai-node-1 { width: 80px; height: 80px; top: 10%; left: 5%; }
    .ai-node-2 { width: 60px; height: 60px; top: 60%; left: 8%; }
    .ai-node-3 { width: 100px; height: 100px; top: 20%; right: 10%; }
    .ai-node-4 { width: 50px; height: 50px; top: 70%; right: 5%; }
    .ai-node-5 { width: 40px; height: 40px; top: 40%; left: 15%; }
    .ai-node-6 { width: 70px; height: 70px; bottom: 15%; right: 15%; }
    
    /* Connection lines between nodes */
    .ai-connection {
      position: absolute;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(247, 166, 0, 0.15), transparent);
      transform-origin: left center;
    }
    
    .ai-connection-1 { width: 200px; top: 15%; left: 10%; transform: rotate(25deg); }
    .ai-connection-2 { width: 300px; top: 25%; right: 5%; transform: rotate(-15deg); }
    .ai-connection-3 { width: 250px; top: 65%; left: 5%; transform: rotate(-30deg); }
    .ai-connection-4 { width: 180px; bottom: 30%; right: 10%; transform: rotate(40deg); }
    .ai-connection-5 { width: 220px; top: 45%; left: 20%; transform: rotate(-10deg); }
    
    /* Floating geometric shapes - hexagons for AI/tech feel */
    .ai-hexagon {
      position: absolute;
      width: 60px;
      height: 35px;
      background: rgba(247, 166, 0, 0.05);
      clip-path: polygon(25% 0%, 75% 0%, 100% 50%, 75% 100%, 25% 100%, 0% 50%);
    }
    
    .ai-hexagon-1 { top: 30%; left: 3%; transform: rotate(15deg); }
    .ai-hexagon-2 { top: 50%; right: 3%; transform: rotate(-20deg); width: 80px; height: 46px; }
    .ai-hexagon-3 { bottom: 20%; left: 12%; transform: rotate(5deg); width: 50px; height: 29px; }
    .ai-hexagon-4 { top: 15%; right: 20%; transform: rotate(-10deg); width: 45px; height: 26px; }
    
    /* Data flow dots - representing data processing */
    .ai-data-dot {
      position: absolute;
      width: 6px;
      height: 6px;
      background: rgba(247, 166, 0, 0.3);
      border-radius: 50%;
    }
    
    .ai-data-dot-1 { top: 25%; left: 25%; }
    .ai-data-dot-2 { top: 35%; left: 30%; }
    .ai-data-dot-3 { top: 45%; right: 25%; }
    .ai-data-dot-4 { top: 55%; right: 30%; }
    .ai-data-dot-5 { top: 65%; left: 20%; }
    .ai-data-dot-6 { top: 75%; right: 20%; }
    .ai-data-dot-7 { top: 20%; right: 35%; }
    .ai-data-dot-8 { bottom: 25%; left: 35%; }
    
    /* Circuit path lines */
    .ai-circuit {
      position: absolute;
      stroke: rgba(247, 166, 0, 0.1);
      fill: none;
      stroke-width: 1;
    }
    
    /* Bracket/code elements for AI feel */
    .ai-bracket {
      position: absolute;
      font-family: 'Courier New', monospace;
      font-size: 48px;
      color: rgba(247, 166, 0, 0.08);
      font-weight: 300;
    }
    
    .ai-bracket-1 { top: 15%; left: 2%; }
    .ai-bracket-2 { bottom: 20%; right: 2%; transform: rotate(180deg); }
    .ai-bracket-3 { top: 50%; left: 1%; font-size: 36px; }
    .ai-bracket-4 { top: 40%; right: 1%; font-size: 36px; }
    
    /* Subtle pulse animation for some elements */
    @keyframes ai-pulse {
      0%, 100% { opacity: 0.3; transform: scale(1); }
      50% { opacity: 0.6; transform: scale(1.05); }
    }
    
    @keyframes ai-float {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-10px); }
    }
    
    .ai-node-1, .ai-node-3 {
      animation: ai-pulse 4s ease-in-out infinite;
    }
    
    .ai-node-2, .ai-node-4 {
      animation: ai-pulse 5s ease-in-out infinite 1s;
    }
    
    .ai-hexagon-1 {
      animation: ai-float 6s ease-in-out infinite;
    }
    
    .ai-hexagon-2 {
      animation: ai-float 7s ease-in-out infinite 2s;
    }
    
    /* Binary/code decoration */
    .ai-binary {
      position: absolute;
      font-family: 'Courier New', monospace;
      font-size: 10px;
      color: rgba(247, 166, 0, 0.06);
      letter-spacing: 2px;
      white-space: nowrap;
    }
    
    .ai-binary-1 { top: 8%; left: 15%; transform: rotate(-5deg); }
    .ai-binary-2 { top: 85%; right: 10%; transform: rotate(3deg); }
    .ai-binary-3 { top: 35%; right: 2%; transform: rotate(90deg); }
    
    /* Light background variant for sections with light bg */
    .ai-bg-light .ai-grid-pattern {
      background-image: 
        linear-gradient(rgba(26, 26, 26, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(26, 26, 26, 0.03) 1px, transparent 1px);
    }
    
    .ai-bg-light .ai-node {
      background: rgba(247, 166, 0, 0.08);
      border: 1px solid rgba(247, 166, 0, 0.15);
    }
    
    .ai-bg-light .ai-node::after {
      background: rgba(247, 166, 0, 0.25);
    }
    
    .ai-bg-light .ai-connection {
      background: linear-gradient(90deg, transparent, rgba(247, 166, 0, 0.1), transparent);
    }
    
    .ai-bg-light .ai-hexagon {
      background: rgba(247, 166, 0, 0.04);
    }
    
    .ai-bg-light .ai-data-dot {
      background: rgba(247, 166, 0, 0.2);
    }
    
    .ai-bg-light .ai-bracket {
      color: rgba(247, 166, 0, 0.06);
    }
    
    .ai-bg-light .ai-binary {
      color: rgba(26, 26, 26, 0.05);
    }
    
    /* Ensure containers are above background elements */
    .hero-container,
    .features-section .container,
    .pricing-section .container,
    .ai-chat-section .container {
      position: relative;
      z-index: 1;
    }

    /* ========================================
       Hero Section
    ======================================== */
    .hero {
      background: var(--color-dark);
      padding: 80px 24px 100px;
      position: relative;
      overflow: hidden;
    }

    .hero-container {
      max-width: 1280px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 60px;
      align-items: center;
    }

    @media (max-width: 900px) {
      .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
      }
    }

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

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background-color: rgba(255, 255, 255, 0.1);
      color: var(--color-white);
      padding: 8px 16px;
      border-radius: 24px;
      font-size: 13px;
      font-weight: 500;
      margin-bottom: 24px;
      border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .hero-badge-icon {
      width: 18px;
      height: 18px;
      color: var(--color-primary);
    }

    .hero h1 {
      color: var(--color-white);
      font-size: 52px;
      font-weight: 800;
      margin-bottom: 20px;
      letter-spacing: -1px;
      line-height: 1.1;
    }

    .hero h1 span {
      color: var(--color-primary);
    }

    .hero p {
      color: var(--color-gray-400);
      font-size: 18px;
      max-width: 500px;
      margin-bottom: 32px;
      line-height: 1.7;
    }

    @media (max-width: 900px) {
      .hero p {
        margin: 0 auto 32px;
      }
    }

    .hero-buttons {
      display: flex;
      gap: 16px;
    }

    @media (max-width: 900px) {
      .hero-buttons {
        justify-content: center;
      }
    }

    .hero-stats {
      display: flex;
      gap: 40px;
      margin-top: 48px;
      padding-top: 32px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    @media (max-width: 900px) {
      .hero-stats {
        justify-content: center;
      }
    }

    .stat-item {
      text-align: left;
    }

    @media (max-width: 900px) {
      .stat-item {
        text-align: center;
      }
    }

    .stat-value {
      font-size: 32px;
      font-weight: 800;
      color: var(--color-white);
    }

    .stat-label {
      font-size: 14px;
      color: var(--color-gray-400);
    }

    /* Hero Chat Preview */
    .hero-chat-preview {
      position: relative;
    }

    .ai-chat-window-preview {
      background: var(--color-dark-lighter);
      border-radius: var(--border-radius-lg);
      border: 1px solid rgba(255, 255, 255, 0.1);
      padding: 20px;
      box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    }

    .ai-chat-header-preview {
      display: flex;
      align-items: center;
      gap: 12px;
      padding-bottom: 16px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      margin-bottom: 16px;
    }

    .ai-chat-avatar {
      width: 40px;
      height: 40px;
      background: linear-gradient(135deg, var(--color-primary), #D4920A);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .ai-chat-avatar svg {
      width: 24px;
      height: 24px;
      color: var(--color-dark);
    }

    .ai-chat-info h4 {
      color: var(--color-white);
      font-size: 14px;
      font-weight: 600;
    }

    .ai-chat-info span {
      color: var(--color-gray-400);
      font-size: 12px;
      display: flex;
      align-items: center;
      gap: 4px;
    }

    .ai-chat-info span::before {
      content: '';
      width: 6px;
      height: 6px;
      background: var(--color-primary);
      border-radius: 50%;
    }

    .ai-chat-messages-preview {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .ai-chat-message {
      max-width: 85%;
      padding: 12px 16px;
      border-radius: 12px;
      font-size: 14px;
      line-height: 1.5;
    }

    .ai-chat-message.user {
      background: var(--color-primary);
      color: var(--color-dark);
      align-self: flex-end;
      border-bottom-right-radius: 4px;
    }

    .ai-chat-message.ai {
      background: rgba(255, 255, 255, 0.1);
      color: var(--color-white);
      align-self: flex-start;
      border-bottom-left-radius: 4px;
    }

    .ai-chat-message.ai .signal-tag {
      display: inline-block;
      background: rgba(245, 166, 35, 0.2);
      color: var(--color-primary);
      padding: 2px 8px;
      border-radius: 4px;
      font-size: 12px;
      font-weight: 600;
      margin-top: 8px;
    }

    .ai-typing-indicator {
      display: flex;
      gap: 4px;
      padding: 12px 16px;
      background: rgba(255, 255, 255, 0.1);
      border-radius: 12px;
      align-self: flex-start;
      border-bottom-left-radius: 4px;
    }

    .ai-typing-indicator span {
      width: 8px;
      height: 8px;
      background: var(--color-gray-400);
      border-radius: 50%;
      animation: typing 1.4s infinite;
    }

    .ai-typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
    .ai-typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

    @keyframes typing {
      0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
      30% { transform: translateY(-4px); opacity: 1; }
    }

    /* ========================================
       Features Section (Dark)
    ======================================== */
    .features-section {
      background: var(--color-dark);
      padding: 80px 24px;
      position: relative;
      overflow: hidden;
    }

    .features-section .section-header h2 {
      color: var(--color-white);
    }

    .features-section .section-header p {
      color: var(--color-gray-400);
    }

    .container {
      max-width: 1280px;
      margin: 0 auto;
    }

    .section-header {
      text-align: center;
      margin-bottom: 56px;
    }

    .section-header h2 {
      font-size: 36px;
      font-weight: 700;
      color: var(--color-gray-900);
      margin-bottom: 12px;
    }

    .section-header p {
      color: var(--color-gray-500);
      font-size: 16px;
      max-width: 600px;
      margin: 0 auto;
    }

    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    @media (max-width: 900px) {
      .features-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 600px) {
      .features-grid {
        grid-template-columns: 1fr;
      }
    }

    .feature-card {
      background: var(--color-dark-lighter);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--border-radius-lg);
      padding: 28px;
      transition: all 0.3s ease;
    }

    .feature-card:hover {
      border-color: rgba(245, 166, 35, 0.3);
      transform: translateY(-4px);
    }

    .feature-icon {
      width: 48px;
      height: 48px;
      background: rgba(245, 166, 35, 0.15);
      border-radius: var(--border-radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
    }

    .feature-icon svg {
      width: 24px;
      height: 24px;
      color: var(--color-primary);
    }

    .feature-card h3 {
      color: var(--color-white);
      font-size: 18px;
      font-weight: 600;
      margin-bottom: 10px;
    }

    .feature-card p {
      color: var(--color-gray-400);
      font-size: 14px;
      line-height: 1.6;
    }

    /* ========================================
       Technology Section
    ======================================== */
    .technology-section {
      padding: 100px 24px;
      background: var(--color-white);
    }

    .tech-intro {
      max-width: 800px;
      margin: 0 auto 64px;
      text-align: center;
    }

    .tech-intro .badge {
      display: inline-block;
      background: rgba(245, 166, 35, 0.1);
      color: var(--color-primary-hover);
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 12px;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 16px;
    }

    .tech-intro h2 {
      font-size: 36px;
      font-weight: 700;
      color: var(--color-gray-900);
      margin-bottom: 16px;
    }

    .tech-intro p {
      font-size: 17px;
      color: var(--color-gray-500);
      line-height: 1.7;
    }

    .tech-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    @media (max-width: 900px) {
      .tech-grid {
        grid-template-columns: 1fr;
      }
    }

    .tech-card {
      background: var(--color-gray-50);
      border: 1px solid var(--color-gray-200);
      border-radius: var(--border-radius-lg);
      padding: 32px;
      transition: all 0.3s ease;
    }

    .tech-card:hover {
      border-color: var(--color-primary);
    }

    .tech-card-header {
      display: flex;
      align-items: flex-start;
      gap: 16px;
      margin-bottom: 16px;
    }

    .tech-card-icon {
      width: 52px;
      height: 52px;
      background: var(--color-dark);
      border-radius: var(--border-radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .tech-card-icon svg {
      width: 26px;
      height: 26px;
      color: var(--color-primary);
    }

    .tech-card-title {
      font-size: 20px;
      font-weight: 700;
      color: var(--color-gray-900);
      margin-bottom: 4px;
    }

    .tech-card-subtitle {
      font-size: 13px;
      color: var(--color-primary-hover);
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .tech-card p {
      font-size: 15px;
      color: var(--color-gray-600);
      line-height: 1.7;
      margin-bottom: 20px;
    }

    .tech-card-features {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .tech-card-features li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 14px;
      color: var(--color-gray-700);
    }

    .tech-card-features li svg {
      width: 18px;
      height: 18px;
      color: var(--color-primary);
      flex-shrink: 0;
      margin-top: 2px;
    }

    /* Tech Architecture Diagram */
    .tech-architecture {
      margin-top: 64px;
      background: var(--color-dark);
      border-radius: var(--border-radius-lg);
      padding: 48px;
    }

    .tech-architecture-header {
      text-align: center;
      margin-bottom: 48px;
    }

    .tech-architecture-header h3 {
      font-size: 24px;
      font-weight: 700;
      color: var(--color-white);
      margin-bottom: 8px;
    }

    .tech-architecture-header p {
      font-size: 15px;
      color: var(--color-gray-400);
    }

    .architecture-flow {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
    }

    @media (max-width: 900px) {
      .architecture-flow {
        flex-direction: column;
      }
    }

    .arch-node {
      background: var(--color-dark-lighter);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--border-radius);
      padding: 20px 24px;
      text-align: center;
      flex: 1;
      min-width: 160px;
    }

    .arch-node-icon {
      width: 44px;
      height: 44px;
      background: rgba(245, 166, 35, 0.15);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 12px;
    }

    .arch-node-icon svg {
      width: 22px;
      height: 22px;
      color: var(--color-primary);
    }

    .arch-node h4 {
      font-size: 14px;
      font-weight: 600;
      color: var(--color-white);
      margin-bottom: 4px;
    }

    .arch-node span {
      font-size: 12px;
      color: var(--color-gray-400);
    }

    .arch-arrow {
      color: var(--color-primary);
      font-size: 24px;
    }

    @media (max-width: 900px) {
      .arch-arrow {
        transform: rotate(90deg);
      }
    }

    /* Differentiators */
    .differentiators {
      margin-top: 64px;
    }

    .differentiators-header {
      text-align: center;
      margin-bottom: 40px;
    }

    .differentiators-header h3 {
      font-size: 28px;
      font-weight: 700;
      color: var(--color-gray-900);
      margin-bottom: 8px;
    }

    .differentiators-header p {
      font-size: 15px;
      color: var(--color-gray-500);
    }

    .differentiators-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    @media (max-width: 900px) {
      .differentiators-grid {
        grid-template-columns: 1fr;
      }
    }

    .diff-card {
      background: var(--color-white);
      border: 1px solid var(--color-gray-200);
      border-radius: var(--border-radius);
      padding: 28px;
      text-align: center;
    }

    .diff-comparison {
      display: flex;
      justify-content: center;
      gap: 24px;
      margin-bottom: 20px;
    }

    .diff-item {
      text-align: center;
    }

    .diff-item.ours .diff-value {
      color: var(--color-primary);
    }

    .diff-item.others .diff-value {
      color: var(--color-gray-400);
    }

    .diff-value {
      font-size: 28px;
      font-weight: 800;
      display: block;
    }

    .diff-label {
      font-size: 11px;
      color: var(--color-gray-500);
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .diff-vs {
      font-size: 12px;
      color: var(--color-gray-400);
      font-weight: 600;
      align-self: center;
    }

    .diff-card h4 {
      font-size: 16px;
      font-weight: 600;
      color: var(--color-gray-900);
      margin-bottom: 4px;
    }

    .diff-card p {
      font-size: 13px;
      color: var(--color-gray-500);
    }

    /* ========================================
       How It Works Section
    ======================================== */
    .how-it-works-section {
      padding: 100px 24px;
      background: var(--color-gray-50);
    }

    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
      position: relative;
    }

    @media (max-width: 900px) {
      .steps-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 600px) {
      .steps-grid {
        grid-template-columns: 1fr;
      }
    }

    .step-card {
      text-align: center;
      position: relative;
    }

    .step-number {
      width: 56px;
      height: 56px;
      background: var(--color-gray-100);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 24px;
      font-weight: 700;
      color: var(--color-gray-900);
      margin: 0 auto 20px;
      position: relative;
      z-index: 1;
    }

    .step-card:not(:last-child)::after {
      content: '';
      position: absolute;
      top: 28px;
      left: calc(50% + 28px);
      width: calc(100% - 56px);
      height: 2px;
      background: linear-gradient(90deg, var(--color-gray-200), var(--color-gray-200));
      z-index: 0;
    }

    .steps-grid::before {
      content: '';
      position: absolute;
      top: 26px;
      left: calc(12.5% + 28px);
      width: 6px;
      height: 6px;
      background: var(--color-primary);
      border-radius: 50%;
      z-index: 2;
      box-shadow: 0 0 8px var(--color-primary), 0 0 16px rgba(245, 166, 35, 0.5);
      animation: stepGlow 6s cubic-bezier(0.4, 0, 0.2, 1) infinite;
    }

    @keyframes stepGlow {
      0%, 5% {
        left: calc(12.5% + 28px);
        opacity: 0.8;
      }
      20%, 30% {
        left: calc(37.5% + 28px);
        opacity: 1;
      }
      45%, 55% {
        left: calc(62.5% + 28px);
        opacity: 1;
      }
      70%, 80% {
        left: calc(87.5% - 28px);
        opacity: 1;
      }
      95%, 100% {
        left: calc(12.5% + 28px);
        opacity: 0.8;
      }
    }

    @media (max-width: 900px) {
      .steps-grid::before {
        display: none;
      }
    }

    @media (max-width: 900px) {
      .step-card:nth-child(2)::after,
      .step-card:nth-child(4)::after {
        display: none;
      }
    }

    @media (max-width: 600px) {
      .step-card::after {
        display: none !important;
      }
    }

    .step-card h3 {
      font-size: 18px;
      font-weight: 600;
      color: var(--color-gray-900);
      margin-bottom: 8px;
    }

    .step-card p {
      font-size: 14px;
      color: var(--color-gray-500);
      line-height: 1.6;
    }

    /* ========================================
       Pricing Section
    ======================================== */
    .pricing-section {
      padding: 100px 24px;
      background: var(--color-dark);
      position: relative;
      overflow: hidden;
    }

    .pricing-section::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: radial-gradient(ellipse 80% 50% at 50% 0%, rgba(245, 166, 35, 0.08) 0%, transparent 50%);
      pointer-events: none;
    }

    .pricing-section .section-header h2 {
      color: var(--color-white);
    }

    .pricing-section .section-header p {
      color: var(--color-gray-400);
    }

    .pricing-card-main {
      max-width: 600px;
      margin: 0 auto;
      background: var(--color-dark-lighter);
      border: 2px solid var(--color-primary);
      border-radius: var(--border-radius-lg);
      padding: 48px;
      text-align: center;
      position: relative;
    }

    .pricing-badge {
      position: absolute;
      top: -14px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--color-primary);
      color: var(--color-dark);
      padding: 8px 24px;
      border-radius: 24px;
      font-size: 12px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
    }

    .pricing-title {
      color: var(--color-white);
      font-size: 28px;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .pricing-subtitle {
      color: var(--color-gray-400);
      font-size: 16px;
      margin-bottom: 32px;
    }

    .pricing-price {
      margin-bottom: 8px;
    }

    .pricing-currency {
      font-size: 24px;
      font-weight: 700;
      color: var(--color-white);
      vertical-align: top;
      position: relative;
      top: 8px;
    }

    .pricing-amount {
      font-size: 64px;
      font-weight: 800;
      color: var(--color-white);
      letter-spacing: -2px;
    }

    .pricing-period {
      color: var(--color-gray-400);
      font-size: 15px;
      margin-bottom: 32px;
    }

    .pricing-features {
      list-style: none;
      text-align: left;
      margin-bottom: 40px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    @media (max-width: 600px) {
      .pricing-features {
        grid-template-columns: 1fr;
      }
    }

    .pricing-features li {
      display: flex;
      align-items: center;
      gap: 12px;
      color: var(--color-gray-300);
      font-size: 14px;
    }

    .pricing-features li svg {
      width: 20px;
      height: 20px;
      color: var(--color-primary);
      flex-shrink: 0;
    }

    .pricing-btn {
      width: 100%;
      padding: 18px 32px;
      background: #f7a600 !important;
      color: #1a1a1a !important;
      font-size: 16px;
      font-weight: 700;
      border: none;
      border-radius: 5px;
      cursor: pointer;
      transition: all 0.3s ease;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      text-decoration: none;
      box-shadow: none !important;
    }

    .pricing-btn:hover {
      background: #ffc014 !important;
      color: #1a1a1a !important;
    }

    .pricing-btn svg {
      width: 20px;
      height: 20px;
      color: #1a1a1a !important;
      stroke: #1a1a1a !important;
    }

    .pricing-guarantee {
      margin-top: 24px;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      color: var(--color-gray-400);
      font-size: 13px;
    }

    .pricing-guarantee svg {
      width: 16px;
      height: 16px;
      color: var(--color-primary);
    }

    /* Stats Bar */
    .stats-bar {
      background: var(--color-white);
      border-radius: var(--border-radius-lg);
      padding: 32px 48px;
      margin-top: 60px;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
      box-shadow: var(--shadow-lg);
      position: relative;
      z-index: 1;
    }

    @media (max-width: 900px) {
      .stats-bar {
        grid-template-columns: repeat(2, 1fr);
        padding: 24px 32px;
      }
    }

    @media (max-width: 500px) {
      .stats-bar {
        grid-template-columns: 1fr;
      }
    }

    .stats-bar-item {
      text-align: center;
      padding: 0 16px;
      border-right: 1px solid var(--color-gray-200);
    }

    .stats-bar-item:last-child {
      border-right: none;
    }

    @media (max-width: 900px) {
      .stats-bar-item:nth-child(2) {
        border-right: none;
      }
    }

    @media (max-width: 500px) {
      .stats-bar-item {
        border-right: none;
        border-bottom: 1px solid var(--color-gray-200);
        padding: 16px 0;
      }
      .stats-bar-item:last-child {
        border-bottom: none;
      }
    }

    .stats-bar-value {
      font-size: 32px;
      font-weight: 800;
      color: var(--color-gray-900);
      margin-bottom: 4px;
    }

    .stats-bar-label {
      font-size: 14px;
      color: var(--color-gray-500);
    }

    /* ========================================
       Performance Section
    ======================================== */
    .performance-section {
      padding: 100px 24px;
      background: var(--color-white);
    }

    .performance-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 60px;
      align-items: center;
    }

    @media (max-width: 900px) {
      .performance-grid {
        grid-template-columns: 1fr;
      }
    }

    .performance-content h2 {
      font-size: 36px;
      font-weight: 700;
      color: var(--color-gray-900);
      margin-bottom: 16px;
    }

    .performance-content p {
      font-size: 16px;
      color: var(--color-gray-500);
      line-height: 1.7;
      margin-bottom: 32px;
    }

    .performance-metrics {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .metric-card {
      background: var(--color-gray-50);
      border-radius: var(--border-radius);
      padding: 24px;
    }

    .metric-value {
      font-size: 32px;
      font-weight: 800;
      color: var(--color-gray-900);
      margin-bottom: 4px;
    }

    .metric-value.positive {
      color: var(--color-primary);
    }

    .metric-label {
      font-size: 14px;
      color: var(--color-gray-500);
    }

    .performance-visual {
      background: var(--color-gray-50);
      border-radius: var(--border-radius-lg);
      padding: 32px;
      border: 1px solid var(--color-gray-200);
    }

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

    .chart-title {
      font-size: 16px;
      font-weight: 600;
      color: var(--color-gray-900);
    }

    .chart-legend {
      display: flex;
      gap: 16px;
    }

    .legend-item {
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      color: var(--color-gray-600);
    }

    .legend-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
    }

    .legend-dot.ai {
      background: var(--color-primary);
    }

    .legend-dot.market {
      background: var(--color-gray-400);
    }

    .chart-bars {
      display: flex;
      align-items: flex-end;
      gap: 12px;
      height: 200px;
    }

    .chart-bar-group {
      flex: 1;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 8px;
    }

    .chart-bar-container {
      display: flex;
      gap: 4px;
      height: 180px;
      align-items: flex-end;
    }

    .chart-bar {
      width: 20px;
      border-radius: 4px 4px 0 0;
      transition: height 0.3s ease;
    }

    .chart-bar.ai {
      background: var(--color-primary);
    }

    .chart-bar.market {
      background: var(--color-gray-300);
    }

    .chart-label {
      font-size: 11px;
      color: var(--color-gray-500);
    }

    /* Testimonials */
    .testimonials-section {
      padding: 100px 24px;
      background: var(--color-gray-50);
    }

    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    @media (max-width: 900px) {
      .testimonials-grid {
        grid-template-columns: 1fr;
      }
    }

    .testimonial-card {
      background: var(--color-white);
      border-radius: var(--border-radius-lg);
      padding: 32px;
      border: 1px solid var(--color-gray-200);
    }

    .testimonial-rating {
      display: flex;
      gap: 4px;
      margin-bottom: 16px;
    }

    .testimonial-rating svg {
      width: 18px;
      height: 18px;
      fill: var(--color-primary);
    }

    .testimonial-text {
      font-size: 15px;
      color: var(--color-gray-700);
      line-height: 1.7;
      margin-bottom: 24px;
    }

    .testimonial-author {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .testimonial-avatar {
      width: 48px;
      height: 48px;
      background: var(--color-gray-200);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 600;
      color: var(--color-gray-600);
    }

    .testimonial-info h4 {
      font-size: 15px;
      font-weight: 600;
      color: var(--color-gray-900);
    }

    .testimonial-info span {
      font-size: 13px;
      color: var(--color-gray-500);
    }

    /* ========================================
       AI Chat Section - Enhanced Professional Design
    ======================================== */
    .ai-chat-section {
      padding: 100px 24px;
      background: var(--color-dark);
      position: relative;
      overflow: hidden;
    }

    .ai-chat-section::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: radial-gradient(ellipse 60% 40% at 50% 0%, rgba(245, 166, 35, 0.06) 0%, transparent 50%);
      pointer-events: none;
    }

    .ai-chat-section .section-header {
      margin-bottom: 48px;
    }

    .ai-chat-section .section-header h2 {
      color: var(--color-white);
    }

    .ai-chat-section .section-header p {
      color: var(--color-gray-400);
    }
    
    .ai-chat-wrapper {
      max-width: 1100px;
      margin: 0 auto;
      position: relative;
      z-index: 1;
    }

    /* Interactive Chat Box - Enhanced */
    .ai-chat-box {
      background: var(--color-white);
      border-radius: var(--border-radius-lg);
      border: 1px solid var(--color-gray-200);
      box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4);
      overflow: hidden;
    }
    
    .ai-chat-box-header {
      background: var(--color-dark);
      padding: 16px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    
    .ai-chat-box-title {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    
    .ai-chat-box-avatar {
      width: 40px;
      height: 40px;
      background: linear-gradient(135deg, var(--color-primary), #D4920A);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    
    .ai-chat-box-avatar svg {
      width: 22px;
      height: 22px;
      color: var(--color-dark);
    }
    
    .ai-chat-box-title-text h4 {
      color: var(--color-white);
      font-size: 15px;
      font-weight: 600;
    }

    /* Status Bar - System Intelligence Cues */
    .ai-chat-status-bar {
      background: var(--color-dark-lighter);
      padding: 10px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .status-bar-left {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .status-item {
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: 11px;
      color: var(--color-gray-400);
    }

    .status-item .status-dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--color-primary);
    }

    .status-item strong {
      color: var(--color-gray-300);
      font-weight: 500;
    }

    .status-models {
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .model-chip {
      background: rgba(245, 166, 35, 0.15);
      color: var(--color-primary);
      padding: 2px 8px;
      border-radius: 4px;
      font-size: 10px;
      font-weight: 600;
    }

    .status-bar-right {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .regime-badge {
      background: rgba(245, 166, 35, 0.15);
      color: var(--color-primary);
      padding: 3px 10px;
      border-radius: 4px;
      font-size: 10px;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    /* Response Mode Tabs */
    .ai-chat-response-tabs {
      background: var(--color-gray-50);
      padding: 12px 20px;
      display: flex;
      align-items: center;
      gap: 8px;
      border-bottom: 1px solid var(--color-gray-200);
    }

    .response-tab {
      padding: 6px 14px;
      border-radius: 6px;
      font-size: 12px;
      font-weight: 500;
      color: #6B7280 !important;
      background: transparent !important;
      border: 1px solid transparent !important;
      cursor: pointer;
      transition: all 0.2s;
    }

    .response-tab:hover {
      color: #374151 !important;
      background: var(--color-white) !important;
    }

    .response-tab.active {
      color: #1a1a1a !important;
      background: var(--color-white) !important;
      border-color: var(--color-gray-200) !important;
      box-shadow: var(--shadow-sm);
    }

    /* Chat Messages Area */
    .ai-chat-box-messages {
      padding: 24px;
      min-height: 420px;
      max-height: 500px;
      overflow-y: auto;
      display: flex;
      flex-direction: column;
      gap: 20px;
      background: var(--color-white);
    }

    .ai-chat-msg {
      display: flex;
      flex-direction: column;
      max-width: 90%;
    }

    .ai-chat-msg.user {
      align-self: flex-end;
      align-items: flex-end;
    }

    .ai-chat-msg.ai {
      align-self: flex-start;
      align-items: flex-start;
    }

    .ai-chat-msg-bubble {
      padding: 14px 18px;
      border-radius: 14px;
      font-size: 14px;
      line-height: 1.6;
    }

    .ai-chat-msg.user .ai-chat-msg-bubble {
      background: var(--color-gray-100);
      color: var(--color-gray-900);
      border-bottom-right-radius: 4px;
    }

    .ai-chat-msg.ai .ai-chat-msg-bubble {
      background: var(--color-gray-50);
      color: var(--color-gray-800);
      border-bottom-left-radius: 4px;
      border: 1px solid var(--color-gray-200);
    }

    .ai-chat-msg-time {
      font-size: 11px;
      color: var(--color-gray-400);
      margin-top: 6px;
    }

    /* AI Response Structure */
    .ai-response-structured {
      width: 100%;
    }

    .response-section {
      margin-bottom: 16px;
      padding-bottom: 16px;
      border-bottom: 1px solid var(--color-gray-200);
    }

    .response-section:last-child {
      margin-bottom: 0;
      padding-bottom: 0;
      border-bottom: none;
    }

    .response-section-header {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 8px;
    }

    .response-section-header svg {
      width: 16px;
      height: 16px;
      color: var(--color-primary);
    }

    .response-section-header h5 {
      font-size: 12px;
      font-weight: 600;
      color: var(--color-gray-700);
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .response-section p {
      font-size: 14px;
      color: var(--color-gray-600);
      line-height: 1.6;
    }

    /* Confidence Badge */
    .confidence-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 12px;
      border-radius: 6px;
      font-size: 11px;
      font-weight: 600;
      margin-top: 12px;
    }

    .confidence-badge.high {
      background: var(--color-gray-100);
      color: var(--color-gray-700);
    }

    .confidence-badge.medium {
      background: var(--color-gray-100);
      color: var(--color-gray-600);
    }

    .confidence-badge.low {
      background: var(--color-gray-100);
      color: var(--color-gray-500);
    }

    .confidence-badge svg {
      width: 14px;
      height: 14px;
      color: var(--color-primary);
    }

    /* Data Sources */
    .data-sources {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-top: 12px;
    }

    .data-source-chip {
      display: flex;
      align-items: center;
      gap: 4px;
      padding: 3px 8px;
      border-radius: 4px;
      font-size: 10px;
      font-weight: 500;
      background: var(--color-gray-100);
      color: var(--color-gray-600);
    }

    .data-source-chip.active {
      background: rgba(245, 166, 35, 0.1);
      color: var(--color-primary);
    }

    .data-source-chip.disabled {
      opacity: 0.5;
      text-decoration: line-through;
    }

    .data-source-chip svg {
      width: 10px;
      height: 10px;
    }

    /* Signal Card Enhanced */
    .signal-card {
      background: var(--color-white);
      border: 1px solid var(--color-gray-200);
      border-radius: var(--border-radius);
      padding: 16px;
      margin-top: 12px;
    }

    .signal-card-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 14px;
    }

    .signal-pair {
      font-size: 16px;
      font-weight: 700;
      color: var(--color-gray-900);
    }

    .signal-type {
      padding: 4px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 700;
  }
  
> .signal-type.buy {
  background: rgba(245, 166, 35, 0.15);
  color: var(--color-primary);
  }
  
  .signal-type.sell {
  background: var(--color-gray-100);
  color: var(--color-gray-700);
  }
  
  .signal-details {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }

    .signal-detail {
      text-align: center;
    }

    .signal-detail-label {
      display: block;
      font-size: 11px;
      color: var(--color-gray-500);
      margin-bottom: 4px;
    }

    .signal-detail-value {
      font-size: 15px;
      font-weight: 700;
      color: var(--color-gray-900);
    }

    .signal-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-top: 14px;
      padding-top: 14px;
      border-top: 1px solid var(--color-gray-100);
    }

    .signal-invalidation {
      font-size: 11px;
      color: var(--color-gray-500);
    }

    .signal-invalidation strong {
      color: #EF4444;
    }

    .signal-actions {
      display: flex;
      gap: 8px;
    }

    .signal-action-btn {
      padding: 4px 8px;
      border-radius: 4px;
      border: none;
      background: var(--color-gray-100) !important;
      color: #4B5563 !important;
      font-size: 11px;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 4px;
      transition: all 0.2s;
    }

    .signal-action-btn:hover {
      background: var(--color-gray-200) !important;
      color: #374151 !important;
    }

    .signal-action-btn svg {
      width: 12px;
      height: 12px;
      color: inherit !important;
    }

    /* Quick Action Chips */
    .quick-actions {
      padding: 12px 20px;
      background: var(--color-gray-50);
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      border-top: 1px solid var(--color-gray-200);
    }

    .quick-action-chip {
      padding: 6px 12px;
      border-radius: 16px;
      border: 1px solid var(--color-gray-200) !important;
      background: var(--color-white) !important;
      color: #4B5563 !important;
      font-size: 12px;
      cursor: pointer;
      transition: all 0.2s;
    }

    .quick-action-chip:hover {
      border-color: #f7a600 !important;
      color: #f7a600 !important;
    }

    /* Chat Input Area Enhanced */
    .ai-chat-box-input {
      padding: 16px 20px;
      background: var(--color-white);
      border-top: 1px solid var(--color-gray-200);
    }

    .ai-chat-input-wrapper {
      display: flex;
      align-items: center;
      gap: 12px;
      width: 100%;
      background: var(--color-gray-50);
      border: 1px solid var(--color-gray-200);
      border-radius: 8px;
      padding: 14px 18px;
      transition: all 0.2s;
    }

    .ai-chat-input-wrapper:focus-within {
      border-color: var(--color-gray-300);
    }

    .ai-chat-input-wrapper input {
      flex: 1;
      border: none;
      background: transparent;
      font-size: 14px;
      color: var(--color-gray-900);
      outline: none;
    }

    .ai-chat-input-wrapper input::placeholder {
      color: var(--color-gray-400);
    }

    .ai-chat-send-btn {
      border: none;
      background: transparent !important;
      color: #f7a600 !important;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 8px;
      transition: all 0.2s;
    }

    .ai-chat-send-btn:hover {
      color: #ffc014 !important;
    }

    .ai-chat-send-btn svg {
      width: 22px;
      height: 22px;
      color: inherit !important;
    }

    /* Chat Footer - Compliance */
    .ai-chat-box-footer {
      padding: 12px 20px;
      background: var(--color-gray-50);
      border-top: 1px solid var(--color-gray-200);
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
    }

    .ai-chat-compliance {
      font-size: 10px;
      color: var(--color-gray-400);
    }

    .ai-chat-security {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .security-badge {
      display: flex;
      align-items: center;
      gap: 4px;
      font-size: 10px;
      color: var(--color-gray-500);
    }

    .security-badge svg {
      width: 12px;
      height: 12px;
      color: var(--color-gray-500);
    }

    /* Model Update Badge */
    .model-update-badge {
      display: flex;
      align-items: center;
      gap: 8px;
      background: var(--color-dark-lighter);
      border: 1px solid rgba(255, 255, 255, 0.1);
      padding: 10px 16px;
      border-radius: 8px;
      margin-bottom: 20px;
    }

    .model-update-badge svg {
      width: 16px;
      height: 16px;
      color: var(--color-gray-400);
    }

    .model-update-badge span {
      font-size: 12px;
      color: var(--color-gray-400);
    }

    .model-update-badge strong {
      color: var(--color-white);
    }

    .ai-chat-box-title-text span {
      color: var(--color-gray-400);
      font-size: 12px;
    }

    .ai-chat-box-actions {
      display: flex;
      gap: 8px;
    }

    .ai-chat-action-btn {
      width: 32px;
      height: 32px;
      background: rgba(255, 255, 255, 0.1);
      border: none;
      border-radius: 6px;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: background 0.2s;
    }

    .ai-chat-action-btn:hover {
      background: rgba(255, 255, 255, 0.2);
    }

    .ai-chat-action-btn svg {
      width: 16px;
      height: 16px;
      color: var(--color-white);
    }

    .ai-chat-box-messages {
      height: 360px;
      overflow-y: auto;
      padding: 20px;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .ai-chat-msg {
      max-width: 80%;
      display: flex;
      flex-direction: column;
      gap: 4px;
    }

    .ai-chat-msg.user {
      align-self: flex-end;
    }

    .ai-chat-msg.ai {
      align-self: flex-start;
    }

    .ai-chat-msg-bubble {
      padding: 12px 16px;
      border-radius: 16px;
      font-size: 14px;
      line-height: 1.5;
    }

    .ai-chat-msg.user .ai-chat-msg-bubble {
      background: var(--color-primary);
      color: var(--color-dark);
      border-bottom-right-radius: 4px;
    }

    .ai-chat-msg.ai .ai-chat-msg-bubble {
      background: var(--color-gray-100);
      color: var(--color-gray-800);
      border-bottom-left-radius: 4px;
    }

    .ai-chat-msg-time {
      font-size: 11px;
      color: var(--color-gray-400);
      padding: 0 4px;
    }

    .ai-chat-msg.user .ai-chat-msg-time {
      text-align: right;
    }

    .signal-card {
      background: var(--color-gray-50);
      border: 1px solid var(--color-gray-200);
      border-radius: var(--border-radius-sm);
      padding: 12px;
      margin-top: 8px;
    }

    .signal-card-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 8px;
    }

    .signal-pair {
      font-weight: 600;
      color: var(--color-gray-900);
    }

    .signal-type {
      font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  }
  
> .signal-type.buy {
  background: rgba(245, 166, 35, 0.15);
  color: var(--color-primary);
  }
  
  .signal-type.sell {
  background: var(--color-gray-100);
  color: var(--color-gray-700);
  }
  
  .signal-details {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 8px;
      font-size: 12px;
    }

    .signal-detail {
      display: flex;
      flex-direction: column;
    }

    .signal-detail-label {
      color: var(--color-gray-500);
    }

    .signal-detail-value {
      font-weight: 600;
      color: var(--color-gray-800);
    }

    .ai-chat-box-input {
      padding: 16px 20px;
      border-top: 1px solid var(--color-gray-200);
      display: flex;
      gap: 12px;
      align-items: center;
    }

    .ai-chat-input {
      flex: 1;
      padding: 12px 16px;
      border: 1px solid var(--color-gray-200);
      border-radius: var(--border-radius-sm);
      font-size: 14px;
      font-family: inherit;
      outline: none;
      transition: border-color 0.2s;
    }

    .ai-chat-input:focus {
      border-color: var(--color-primary);
    }

    .ai-chat-send-btn.send-button {
      width: 44px;
      height: 44px;
      background: #f7a600 !important;
      border: none;
      border-radius: 5px;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: background 0.2s;
    }

    .ai-chat-send-btn.send-button:hover {
      background: #ffc014 !important;
    }

    .ai-chat-send-btn.send-button svg {
      width: 20px;
      height: 20px;
      color: #1a1a1a !important;
    }

    /* ========================================
       Signal Types Section
    ======================================== */
    .signals-section {
      padding: 100px 24px;
      background: var(--color-white);
    }

    .signals-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    @media (max-width: 900px) {
      .signals-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 600px) {
      .signals-grid {
        grid-template-columns: 1fr;
      }
    }

    .signal-type-card {
      background: var(--color-white);
      border: 1px solid var(--color-gray-200);
      border-radius: var(--border-radius-lg);
      padding: 28px;
      transition: all 0.3s ease;
    }

    .signal-type-card:hover {
      border-color: var(--color-primary);
    }

    .signal-type-icon {
      width: 56px;
      height: 56px;
      background: var(--color-gray-100);
      border-radius: var(--border-radius);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
    }

    .signal-type-icon svg {
      width: 28px;
      height: 28px;
      color: var(--color-gray-700);
    }

    .signal-type-card h3 {
      font-size: 18px;
      font-weight: 600;
      color: var(--color-gray-900);
      margin-bottom: 8px;
    }

    .signal-type-card p {
      font-size: 14px;
      color: var(--color-gray-500);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .signal-type-badge {
      display: inline-block;
      padding: 4px 12px;
      background: rgba(245, 166, 35, 0.1);
      color: var(--color-primary);
      font-size: 12px;
      font-weight: 600;
      border-radius: 20px;
    }

    /* ========================================
       Security Section
    ======================================== */
    .security-section {
      padding: 80px 24px;
      background: var(--color-gray-50);
    }

    .security-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    @media (max-width: 900px) {
      .security-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 600px) {
      .security-grid {
        grid-template-columns: 1fr;
      }
    }

    .security-card {
      text-align: center;
      padding: 24px;
    }

    .security-icon {
      width: 64px;
      height: 64px;
      background: var(--color-white);
      border-radius: var(--border-radius);
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
      box-shadow: var(--shadow);
    }

    .security-icon svg {
      width: 28px;
      height: 28px;
      color: var(--color-gray-700);
    }

    .security-card p {
      font-size: 14px;
      color: var(--color-gray-600);
      line-height: 1.5;
    }

    /* ========================================
       FAQ Section
    ======================================== */
    .faq-section {
      padding: 100px 24px;
      background: var(--color-white);
    }

    .faq-container {
      max-width: 800px;
      margin: 0 auto;
    }

    .faq-item {
      border: 1px solid var(--color-gray-200);
      border-radius: var(--border-radius);
      margin-bottom: 12px;
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      padding: 20px 24px;
      background: var(--color-white) !important;
      border: none;
      text-align: left;
      font-size: 16px;
      font-weight: 600;
      color: #1a1a1a !important;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-family: inherit;
      transition: background 0.2s;
    }

    .faq-question:hover {
      background: var(--color-gray-50) !important;
      color: #1a1a1a !important;
    }

    .faq-question svg {
      width: 20px;
      height: 20px;
      color: var(--color-gray-400) !important;
      transition: transform 0.3s;
    }

    .faq-item.active .faq-question svg {
      transform: rotate(180deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
    }

    .faq-item.active .faq-answer {
      max-height: 200px;
    }

    .faq-answer-content {
      padding: 0 24px 20px;
      font-size: 15px;
      color: var(--color-gray-600);
      line-height: 1.7;
    }

    /* ========================================
       CTA Section
    ======================================== */
    .cta-section {
      padding: 100px 24px;
      background-color: var(--color-primary);
      text-align: center;
      position: relative;
      overflow: hidden;
    }

    .cta-content {
      max-width: 600px;
      margin: 0 auto;
      position: relative;
      z-index: 1;
    }

    .cta-section h2 {
      font-size: 36px;
      font-weight: 700;
      color: var(--color-dark);
      margin-bottom: 16px;
    }

    .cta-section p {
      font-size: 17px;
      color: var(--color-dark);
      opacity: 0.75;
      margin-bottom: 36px;
      line-height: 1.6;
    }

    .cta-btn {
      background-color: #1a1a1a !important;
      color: #ffffff !important;
      padding: 16px 36px;
      font-size: 15px;
      font-weight: 600;
      transition: all 0.3s ease;
      border-radius: 5px;
      box-shadow: none !important;
    }

    .cta-btn:hover {
      background-color: #2d2d2d !important;
      color: #ffffff !important;
    }

    /* ========================================
       Footer
    ======================================== */
    .footer {
      background-color: var(--color-dark);
      padding: 60px 24px 24px;
    }

    .footer-container {
      max-width: 1280px;
      margin: 0 auto;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr repeat(4, 1fr);
      gap: 40px;
      margin-bottom: 40px;
    }

    @media (max-width: 900px) {
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 600px) {
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }

    .footer-brand {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .footer-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
      color: var(--color-white);
      font-weight: 700;
      font-size: 18px;
    }

    .footer-brand p {
      color: var(--color-gray-400);
      font-size: 14px;
      line-height: 1.6;
      max-width: 280px;
    }

    .footer-column h4 {
      color: var(--color-primary);
      font-size: 14px;
      font-weight: 600;
      margin-bottom: 20px;
    }

    .footer-column ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .footer-column a {
      color: var(--color-gray-400);
      text-decoration: none;
      font-size: 14px;
      transition: color 0.2s;
    }

    .footer-column a:hover {
      color: var(--color-white);
    }

    .footer-bottom {
      padding-top: 24px;
      border-top: 1px solid var(--color-dark-lighter);
      text-align: center;
    }

    .footer-bottom p {
      color: var(--color-gray-500);
      font-size: 14px;
    }

    .analysis-step .analysis-bubble {
      display: flex;
      align-items: center;
      gap: 10px;
      background: var(--color-gray-50);
      border: 1px solid var(--color-gray-200);
      padding: 12px 16px;
      border-radius: 10px;
      font-size: 14px;
    }

    .analysis-step .analysis-bubble.completed {
      background: rgba(34, 197, 94, 0.08);
      border-color: rgba(34, 197, 94, 0.3);
    }

    .analysis-icon {
      flex-shrink: 0;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--color-gray-500);
    }

    .analysis-icon svg {
      width: 16px;
      height: 16px;
    }

    .analysis-icon.success {
      color: #22c55e;
    }

    .analysis-icon.success svg {
      stroke-width: 3;
    }

    .analysis-text {
      flex: 1;
      color: var(--color-gray-700);
    }

    .analysis-text strong {
      color: var(--color-gray-900);
    }

    .analysis-spinner {
      width: 16px;
      height: 16px;
      border: 2px solid var(--color-gray-300);
      border-top-color: var(--color-primary);
      border-radius: 50%;
      animation: spin 0.8s linear infinite;
    }

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

    .subscription-alert {
      display: flex;
      gap: 16px;
      padding: 20px;
      background: linear-gradient(135deg, rgba(245, 166, 35, 0.08) 0%, rgba(245, 166, 35, 0.02) 100%);
      border: 1px solid rgba(245, 166, 35, 0.3);
      border-radius: 12px;
      margin-bottom: 20px;
    }

    .subscription-alert .alert-icon {
      flex-shrink: 0;
      width: 44px;
      height: 44px;
      background: rgba(245, 166, 35, 0.15);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .subscription-alert .alert-icon svg {
      width: 24px;
      height: 24px;
      color: var(--color-primary);
    }

    .subscription-alert .alert-content h5 {
      margin: 0 0 12px 0;
      font-size: 16px;
      font-weight: 600;
      color: var(--color-gray-900);
    }

    .subscription-alert .alert-content p {
      margin: 0 0 8px 0;
      font-size: 14px;
      line-height: 1.6;
      color: var(--color-gray-700);
    }

    .subscription-alert .alert-content p:last-child {
      margin-bottom: 0;
    }

    .subscription-features {
      padding: 16px 20px;
      background: var(--color-gray-50);
      border-radius: 10px;
      margin-bottom: 20px;
    }

    .subscription-features h6 {
      margin: 0 0 12px 0;
      font-size: 14px;
      font-weight: 600;
      color: var(--color-gray-800);
    }

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

    .subscription-features li {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 6px 0;
      font-size: 13px;
      color: var(--color-gray-700);
    }

    .subscription-features .feature-check {
      color: var(--color-primary);
      font-weight: 700;
      font-size: 14px;
    }

    .subscription-cta {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      width: 100%;
      padding: 14px 24px;
      background: #f7a600 !important;
      color: #1a1a1a !important;
      font-size: 15px;
      font-weight: 600;
      border-radius: 5px;
      text-decoration: none;
      transition: all 0.2s;
      box-shadow: none !important;
    }

    .subscription-cta:hover {
      background: #ffc014 !important;
      color: #1a1a1a !important;
    }

    .subscription-cta svg {
      width: 18px;
      height: 18px;
      color: #1a1a1a !important;
    }