* { box-sizing: border-box; margin: 0; padding: 0; }
    
    :root {
      --bg: #0a0e17;
      --surface: #111827;
      --border: rgba(59, 130, 246, 0.1);
      --text: #f9fafb;
      --text-muted: #9ca3af;
      --primary: #3b82f6;
      --primary-dark: #2563eb;
      --accent: #60a5fa;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.6;
      overflow-x: hidden;
    }

    .container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* Header */
    header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(10, 14, 23, 0.8);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border);
    }

    .nav {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 20px 0;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
      font-weight: 700;
      font-size: 1.1rem;
      letter-spacing: 0.5px;
    }

    .logo {
      width: 36px;
      height: 36px;
      background: white;
      border-radius: 8px;
      display: grid;
      place-items: center;
    }

    .logo img {
      width: 100%;
      height: 100%;
      object-fit: contain;
    }

    nav ul {
      display: flex;
      gap: 40px;
      list-style: none;
      align-items: center;
    }

    nav a {
      color: var(--text-muted);
      text-decoration: none;
      font-weight: 500;
      transition: color 0.2s;
      font-size: 0.95rem;
    }

    nav a:hover {
      color: var(--text);
    }

    .cta-btn {
      background: var(--primary);
      color: white;
      padding: 10px 24px;
      border-radius: 8px;
      font-weight: 600;
      transition: all 0.2s;
    }

    .cta-btn:hover {
      background: var(--primary-dark);
      transform: translateY(-1px);
    }

    .burger {
      display: none;
      background: transparent;
      border: 1px solid var(--border);
      color: var(--text);
      padding: 8px 12px;
      border-radius: 6px;
      cursor: pointer;
      font-size: 20px;
    }

    .mobile-menu {
      display: none;
      position: absolute;
      left: 0;
      right: 0;
      top: 100%;
      background: var(--surface);
      border-bottom: 1px solid var(--border);
    }

    .mobile-menu ul {
      list-style: none;
      padding: 20px 24px;
    }

    .mobile-menu li {
      padding: 12px 0;
      border-bottom: 1px solid var(--border);
    }

    .mobile-menu a {
      color: var(--text);
      text-decoration: none;
      font-weight: 500;
    }

    /* Hero */
    .hero {
      padding: 100px 0 80px;
      position: relative;
    }

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

    .hero h1 {
      font-size: clamp(2.5rem, 5vw, 4rem);
      line-height: 1.1;
      margin-bottom: 24px;
      font-weight: 700;
    }

    .hero-subtitle {
      font-size: 1.25rem;
      color: var(--text-muted);
      margin-bottom: 32px;
      line-height: 1.6;
    }

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

    .btn {
      padding: 14px 28px;
      border-radius: 8px;
      font-weight: 600;
      text-decoration: none;
      transition: all 0.2s;
      display: inline-block;
      border: none;
      cursor: pointer;
      font-size: 1rem;
    }

    .btn-primary {
      background: var(--primary);
      color: white;
    }

    .btn-primary:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
    }

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

    .btn-secondary:hover {
      border-color: var(--primary);
      color: var(--primary);
    }

    /* Robot SVG */
    .robot-container {
      display: flex;
      justify-content: center;
      align-items: center;
      position: relative;
    }

    .robot {
      width: auto;
      max-width: 400px;
      height: auto;
    }

    /* Services */
    .section {
      padding: 80px 0;
    }

    .section-title {
      font-size: clamp(2rem, 4vw, 3rem);
      margin-bottom: 48px;
      text-align: center;
      font-weight: 700;
    }

    .cards {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 24px;
    }

    .card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 32px;
      transition: all 0.3s;
    }

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

    .card-icon {
      width: 48px;
      height: 48px;
      margin-bottom: 20px;
    }

    .card h3 {
      font-size: 1.5rem;
      margin-bottom: 12px;
      font-weight: 600;
    }

    .card p {
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* About */
    .about-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 48px;
      align-items: start;
    }

    .stats {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 32px;
    }

    .stat {
      text-align: center;
      padding: 24px;
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 12px;
    }

    .stat-number {
      font-size: 2.5rem;
      font-weight: 700;
      color: var(--primary);
      display: block;
    }

    .stat-label {
      color: var(--text-muted);
      font-size: 0.9rem;
      margin-top: 8px;
    }

    .about-panel {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 32px;
    }

    .about-panel h3 {
      font-size: 1.5rem;
      margin-bottom: 20px;
    }

    .about-panel ul {
      list-style: none;
    }

    .about-panel li {
      padding: 12px 0;
      color: var(--text-muted);
      position: relative;
      padding-left: 24px;
    }

    .about-panel li::before {
      content: "✓";
      position: absolute;
      left: 0;
      color: var(--primary);
      font-weight: bold;
    }

    /* Testimonials */
    .testimonials-slider {
      display: flex;
      gap: 24px;
      overflow-x: auto;
      scroll-snap-type: x mandatory;
      padding-bottom: 20px;
      scrollbar-width: thin;
      scrollbar-color: var(--primary) var(--surface);
    }

    .testimonial {
      flex: 0 0 400px;
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 32px;
      scroll-snap-align: start;
    }

    .testimonial-text {
      font-size: 1.1rem;
      margin-bottom: 20px;
      line-height: 1.7;
    }

    .testimonial-author {
      color: var(--text-muted);
      font-weight: 600;
    }

    .dots {
      display: flex;
      justify-content: center;
      gap: 8px;
      margin-top: 24px;
    }

    .dot {
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: var(--text-muted);
      cursor: pointer;
      transition: background 0.3s;
    }

    .dot.active {
      background: var(--primary);
    }

    /* ROI Calculator */
    .roi-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }

    .roi-form,
    .roi-result {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 32px;
    }

    .form-group {
      margin-bottom: 24px;
    }

    .form-group label {
      display: block;
      margin-bottom: 8px;
      font-weight: 600;
      color: var(--text);
    }

    .form-group input {
      width: 100%;
      padding: 12px;
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: 8px;
      color: var(--text);
      font-size: 1rem;
    }

    .form-group input:focus {
      outline: none;
      border-color: var(--primary);
    }

    .roi-amount {
      font-size: 3rem;
      font-weight: 700;
      color: var(--primary);
      margin: 20px 0;
    }

    /* Contact */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }

    .contact-form {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 32px;
    }

    .contact-form textarea {
      width: 100%;
      min-height: 150px;
      padding: 12px;
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: 8px;
      color: var(--text);
      font-family: inherit;
      font-size: 1rem;
      resize: vertical;
    }

    .contact-form textarea:focus {
      outline: none;
      border-color: var(--primary);
    }

    .contact-info {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 32px;
    }

    .contact-info h3 {
      margin-bottom: 20px;
      font-size: 1.5rem;
    }

    .contact-info p {
      color: var(--text-muted);
      margin-bottom: 16px;
      line-height: 1.7;
    }

    .contact-info a {
      color: var(--primary);
      text-decoration: none;
    }

    .contact-info a:hover {
      color: var(--accent);
    }

    /* Footer */
    footer {
      border-top: 1px solid var(--border);
      padding: 48px 0;
      margin-top: 80px;
    }

    .footer-content {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 24px;
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .footer-logo {
      width: 36px;
      height: 36px;
      background: white;
      border-radius: 8px;
      display: grid;
      place-items: center;
    }

    .footer-logo img {
      width: 100%;
      height: 100%;
      object-fit: contain;
    }

    .footer-links a {
      color: var(--text-muted);
      text-decoration: none;
      margin-left: 24px;
    }

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

    /* Responsive */
    @media (max-width: 1024px) {
      .hero-grid,
      .about-grid,
      .roi-grid,
      .contact-grid {
        grid-template-columns: 1fr;
      }

      .stats {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      nav ul {
        display: none;
      }

      .burger {
        display: block;
      }

      .hero {
        padding: 60px 0 40px;
      }

      .section {
        padding: 60px 0;
      }

      .cards {
        grid-template-columns: 1fr;
      }

      .stats {
        grid-template-columns: 1fr;
      }

      .testimonial {
        flex: 0 0 300px;
      }
    }

    /* Scroll to top */
    .scroll-top {
      position: fixed;
      bottom: 24px;
      right: 24px;
      background: var(--primary);
      color: white;
      width: 48px;
      height: 48px;
      border-radius: 50%;
      border: none;
      cursor: pointer;
      display: none;
      align-items: center;
      justify-content: center;
      font-size: 24px;
      transition: all 0.3s;
      z-index: 100;
    }

    .scroll-top:hover {
      background: var(--primary-dark);
      transform: translateY(-4px);
    }

    .scroll-top.show {
      display: flex;
    }

    .pill {
      display: inline-block;
      padding: .2rem .6rem;
      border-radius: 8px;
      background: rgba(59, 130, 246, 0.1);
      border: 1px solid rgba(59, 130, 246, 0.3);
      color: var(--accent);
      font-size: .8rem;
    }

    /* Grid layouts */
    .grid {
      display: grid;
      gap: 24px;
    }

    .grid.cols-2 {
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }

    .grid.cols-3 {
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }

    /* Pill badge */
    .pill {
      display: inline-block;
      padding: 0.4rem 0.8rem;
      border-radius: 20px;
      background: rgba(59, 130, 246, 0.1);
      border: 1px solid rgba(59, 130, 246, 0.3);
      color: var(--accent);
      font-size: 0.85rem;
      font-weight: 600;
      margin-bottom: 16px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    /* Card list styles */
    .card ul {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .card ul li {
      padding: 8px 0;
      color: var(--text-muted);
      position: relative;
      padding-left: 20px;
      line-height: 1.6;
    }

    .card ul li::before {
      content: "•";
      position: absolute;
      left: 0;
      color: var(--primary);
      font-weight: bold;
      font-size: 1.2rem;
    }

    .card h3 {
      margin-bottom: 16px;
    }

    /* Timeline */
    .timeline {
      display: grid;
      gap: 32px;
      max-width: 900px;
      margin: 0 auto;
    }

    .step {
      display: grid;
      grid-template-columns: 64px 1fr;
      gap: 24px;
      align-items: start;
    }

    .step .dot {
      width: 64px;
      height: 64px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: rgba(59, 130, 246, 0.1);
      border: 2px solid rgba(59, 130, 246, 0.3);
      font-weight: 700;
      font-size: 1.25rem;
      color: var(--primary);
      flex-shrink: 0;
    }

    /* Responsive for grid and timeline */
    @media (max-width: 768px) {
      .grid.cols-2,
      .grid.cols-3 {
        grid-template-columns: 1fr;
      }

      .step {
        grid-template-columns: 48px 1fr;
        gap: 16px;
      }

      .step .dot {
        width: 48px;
        height: 48px;
        font-size: 1rem;
      }
    }