:root {
      --primary-color: #0078E7;
      --primary-dark: #0056a4;
      --primary-light: #60a5fa;
      --accent-color: #FF6B00;
      --accent-light: #FF8A3D;
      --dark-bg: #051326;
      --dark-bg-lighter: #0A2140;
      --dark-bg-lightest: #0F2D56;
      --light-text: #ffffff;
      --light-gray: #e0e0e0;
      --medium-gray: #9ca3af;
      --border-radius-sm: 6px;
      --border-radius-md: 12px;
      --border-radius-lg: 20px;
      --transition-normal: all 0.3s ease;
      --transition-slow: all 0.5s ease;
      --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.1);
      --shadow-md: 0 10px 25px rgba(0, 0, 0, 0.15);
      --shadow-lg: 0 15px 35px rgba(0, 0, 0, 0.2);
      --shadow-glow: 0 0 15px rgba(0, 120, 231, 0.4);
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
      /* Improve scrolling performance */
      scroll-padding-top: 80px;
    }

    body {
      margin: 0;
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      background-color: var(--dark-bg);
      color: var(--light-text);
      line-height: 1.6;
      overflow-x: hidden;
      font-size: 16px;
      font-weight: 400;
    }

    /* Typography */
    h1, h2, h3, h4, h5, h6 {
      margin: 0 0 1rem;
      line-height: 1.2;
      font-weight: 700;
    }

    h1 {
      font-size: clamp(2.5rem, 5vw, 4rem);
      letter-spacing: -0.5px;
    }

    h2 {
      font-size: clamp(2rem, 4vw, 2.5rem);
    }

    h3 {
      font-size: clamp(1.5rem, 3vw, 1.75rem);
    }

    p {
      margin-bottom: 1.5rem;
    }

    a {
      color: var(--primary-light);
      text-decoration: none;
      transition: var(--transition-normal);
    }

    /* Container */
    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }

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

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

    ::-webkit-scrollbar-thumb {
      background: var(--primary-color);
      border-radius: 4px;
    }

    ::-webkit-scrollbar-thumb:hover {
      background: var(--primary-light);
    }

    /* Sections */
    section {
      position: relative;
      overflow: hidden;
      padding: 120px 0;
    }

    /* Background gradient effect */
    .bg-gradient {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: linear-gradient(135deg, var(--dark-bg) 0%, var(--dark-bg-lighter) 100%);
      z-index: -10;
    }

    /* Header Section */
    #landing {
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      justify-content: center;
      position: relative;
      padding: 120px 0 80px;
    }

    /* Overlay for better contrast */
    #landing::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: radial-gradient(circle at 70% 30%, rgba(5, 19, 38, 0.4) 0%, rgba(5, 19, 38, 0.8) 100%);
      z-index: -5;
    }

    /* Particles background */
    #particles-js {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      z-index: -8;
    }

    /* Circuit SVG background */
    #svg-circuit {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      z-index: -6;
      opacity: 0.3;
    }

    .circuit-path {
      stroke: var(--primary-color);
      stroke-width: 1.5;
      fill: none;
      stroke-dasharray: 1000;
      stroke-dashoffset: 1000;
    }

    /* Top Navigation */
    .top-bar {
      position: fixed;
      top: 0;
      width: 100%;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 40px;
      z-index: 100;
      transition: var(--transition-normal);
    }

    .top-bar.scrolled {
      background: rgba(5, 19, 38, 0.9);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      padding: 15px 40px;
    }
    
.logo-container {
  position: relative;
  width: 100px;
  height: 100px;
  overflow: hidden;
}

.logo-container video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.logo-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 80%; /* Adjust if needed */
  height: auto;
  transform: translate(-50%, -50%);
  pointer-events: none;
  }

    .logo {
      display: flex;
      align-items: center;
    }

    .logo img {
      height: 48px;
      filter: drop-shadow(0 0 5px var(--primary-color));
      transition: var(--transition-normal);
    }

    .logo .text {
      margin-left: 15px;
      font-weight: 700;
      font-size: 22px;
      color: var(--light-text);
    }

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

    nav a {
      color: var(--light-text);
      text-decoration: none;
      font-size: 17px;
      font-weight: 500;
      padding: 8px 0;
      position: relative;
    }

    nav a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--primary-color);
      transition: var(--transition-normal);
    }

    nav a:hover::after, 
    nav a.active::after {
      width: 100%;
    }

    nav a:hover, 
    nav a.active {
      color: var(--primary-light);
    }

    /* Mobile menu button */
    .mobile-menu-btn {
      display: none;
      flex-direction: column;
      justify-content: space-between;
      width: 30px;
      height: 21px;
      cursor: pointer;
      z-index: 101;
    }
    
    .mobile-menu-btn span {
      display: block;
      height: 3px;
      width: 100%;
      background: var(--light-text);
      border-radius: 3px;
      transition: var(--transition-normal);
    }
    
    .mobile-menu-btn.active span:nth-child(1) {
      transform: translateY(9px) rotate(45deg);
    }
    
    .mobile-menu-btn.active span:nth-child(2) {
      opacity: 0;
    }
    
    .mobile-menu-btn.active span:nth-child(3) {
      transform: translateY(-9px) rotate(-45deg);
    }

    /* Headline */
    .headline {
      position: relative;
      z-index: 3;
      text-align: center;
      padding: 0 20px;
      max-width: 1200px;
      margin: 0 auto;
    }

    .headline h1 {
      margin-bottom: 25px;
      opacity: 0;
      transform: translateY(30px);
    }

    .headline .tagline {
      margin: 25px auto;
      font-size: clamp(18px, 2.5vw, 24px);
      color: var(--light-gray);
      max-width: 800px;
      opacity: 0;
      transform: translateY(30px);
    }

    .headline .typing-container {
      height: 40px;
      margin: 35px auto;
      display: flex;
      align-items: center;
      justify-content: center;
      opacity: 0;
    }

    .headline .typing {
      font-family: 'Roboto Mono', monospace;
      color: var(--primary-light);
      font-size: 22px;
      position: relative;
      overflow: hidden;
      border-right: 3px solid var(--primary-light);
      white-space: nowrap;
      margin: 0 auto;
      letter-spacing: 0.15em;
      font-weight: 600;
    }

    /* Service Icons Grid */
    .service-icons {
      display: flex;
      justify-content: center;
      gap: 30px;
      margin: 50px 0;
      flex-wrap: wrap;
      opacity: 0;
      transform: translateY(30px);
    }

    .service-icon {
      display: flex;
      flex-direction: column;
      align-items: center;
      padding: 30px 25px;
      width: 180px;
      border: 1px solid rgba(0, 120, 231, 0.2);
      border-radius: var(--border-radius-md);
      background: rgba(0, 120, 231, 0.05);
      transition: var(--transition-slow);
      cursor: pointer;
    }

    .service-icon:hover {
      transform: translateY(-10px);
      box-shadow: var(--shadow-md), 0 0 15px rgba(0, 120, 231, 0.2);
      background: rgba(0, 120, 231, 0.1);
      border-color: rgba(0, 120, 231, 0.4);
    }

    .service-icon svg {
      width: 60px;
      height: 60px;
      margin-bottom: 15px;
      fill: var(--primary-color);
    }

    .service-icon .icon-inner {
      stroke: var(--primary-color);
      stroke-width: 2;
      fill: none;
      stroke-dasharray: 100;
      stroke-dashoffset: 100;
      transition: all 1s;
    }

    .service-icon:hover .icon-inner {
      stroke-dashoffset: 0;
    }

    .service-icon h3 {
      margin: 5px 0 0 0;
      text-align: center;
      font-size: 18px;
      font-weight: 600;
    }

    /* CTA Buttons */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      padding: 15px 30px;
      background: var(--primary-color);
      color: white;
      font-size: 16px;
      font-weight: 600;
      text-decoration: none;
      border-radius: var(--border-radius-sm);
      transition: var(--transition-normal);
      position: relative;
      overflow: hidden;
      border: none;
      cursor: pointer;
      box-shadow: var(--shadow-sm);
      letter-spacing: 0.5px;
    }

    .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: all 0.5s;
    }

    .btn:hover::before {
      left: 100%;
    }

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

    .btn-icon {
      transition: transform 0.3s ease;
    }

    .btn:hover .btn-icon {
      transform: translateX(4px);
    }

    .btn-outline {
      background: transparent;
      color: var(--primary-color);
      border: 2px solid var(--primary-color);
    }
    
    .btn-outline:hover {
      background: rgba(0, 120, 231, 0.1);
    }

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

    .btn-accent:hover {
      background: var(--accent-light);
    }

    .cta-button {
      opacity: 0;
      transform: translateY(30px);
    }

    /* Scroll Indicator */
    .scroll-down {
      position: absolute;
      bottom: 40px;
      left: 50%;
      transform: translateX(-50%);
      z-index: 3;
      color: var(--light-text);
      font-size: 14px;
      font-weight: 500;
      display: flex;
      flex-direction: column;
      align-items: center;
      opacity: 0;
      cursor: pointer;
    }

    .scroll-arrow {
      display: block;
      width: 20px;
      height: 20px;
      border-bottom: 2px solid var(--primary-color);
      border-right: 2px solid var(--primary-color);
      transform: rotate(45deg);
      margin: 0 auto 10px;
      animation: pulse 2s infinite;
    }

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

    /* Section styling */
    .section-title {
      text-align: center;
      margin-bottom: 70px;
      position: relative;
      opacity: 0;
      transform: translateY(30px);
    }

    .section-title::after {
      content: '';
      position: absolute;
      bottom: -15px;
      left: 50%;
      transform: translateX(-50%);
      width: 80px;
      height: 3px;
      background: var(--primary-color);
      border-radius: 3px;
    }

    /* Services Section */
    #services {
      background: linear-gradient(to bottom, var(--dark-bg), var(--dark-bg-lighter));
      position: relative;
    }

    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 40px;
      max-width: 1200px;
      margin: 0 auto;
    }

    .service-card {
      background: rgba(10, 33, 64, 0.6);
      border-radius: var(--border-radius-md);
      padding: 40px 30px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition-slow);
      position: relative;
      overflow: hidden;
      opacity: 0;
      transform: translateY(50px);
      border: 1px solid rgba(0, 120, 231, 0.1);
      height: 100%;
      display: flex;
      flex-direction: column;
    }

    .service-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 4px;
      height: 100%;
      background: var(--primary-color);
      transform: scaleY(0);
      transform-origin: top;
      transition: transform 0.5s;
    }

    .service-card:hover::before {
      transform: scaleY(1);
    }

    .service-card:hover {
      transform: translateY(-10px) !important;
      box-shadow: var(--shadow-md), 0 0 15px rgba(0, 120, 231, 0.1);
      border-color: rgba(0, 120, 231, 0.3);
    }

    .service-card h3 {
      margin-bottom: 20px;
      color: var(--primary-light);
    }

    .service-card p {
      line-height: 1.7;
      margin-bottom: 25px;
      color: var(--light-gray);
      flex-grow: 1;
    }

    .service-card .learn-more {
      color: var(--primary-light);
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: var(--transition-normal);
      font-weight: 600;
      font-size: 15px;
      margin-top: auto;
    }

    .service-card .learn-more svg {
      transition: transform 0.3s;
    }

    .service-card .learn-more:hover svg {
      transform: translateX(5px);
    }

    .service-card .learn-more:hover {
      color: white;
    }

    /* About Section */
    #about {
      background: linear-gradient(to bottom, var(--dark-bg-lighter), var(--dark-bg));
      position: relative;
    }

    .about-content {
      max-width: 900px;
      margin: 0 auto 50px;
      text-align: center;
    }
    
    .about-text {
      color: var(--light-gray);
      font-size: 17px;
      line-height: 1.8;
      margin-bottom: 30px;
      opacity: 0;
      transform: translateY(30px);
    }

    /* Stats counter section */
    .stats-container {
      display: flex;
      justify-content: space-around;
      flex-wrap: wrap;
      margin: 60px auto;
      max-width: 1000px;
    }
    
    .stat-item {
      text-align: center;
      padding: 0 20px;
      margin-bottom: 30px;
    }
    
    .stat-number {
      font-size: 48px;
      font-weight: 700;
      color: var(--primary-light);
      margin-bottom: 10px;
      opacity: 0;
      transform: translateY(20px);
    }
    
    .stat-label {
      font-size: 18px;
      color: var(--light-gray);
    }

    /* Leadership section */
    .leadership-container {
      max-width: 1000px;
      margin: 40px auto;
      padding: 20px;
    }
    
    .ceo-profile {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 50px;
      position: relative;
      background: rgba(10, 33, 64, 0.4);
      border-radius: var(--border-radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
      border: 1px solid rgba(0, 120, 231, 0.15);
      overflow: hidden;
      opacity: 0;
      transform: translateY(30px);
    }
    
    .ceo-profile::before {
      content: '';
      position: absolute;
      top: -10%;
      left: -10%;
      width: 120%;
      height: 60%;
      background: linear-gradient(135deg, rgba(0, 120, 231, 0.05) 0%, transparent 100%);
      transform: rotate(-3deg);
      z-index: 0;
      border-radius: 50% 50% 0 0 / 100% 100% 0 0;
    }
    
    .ceo-image-container {
      position: relative;
      flex-shrink: 0;
      z-index: 1;
    }
    
    .ceo-photo {
      width: 280px;
      height: 280px;
      border-radius: var(--border-radius-lg);
      object-fit: cover;
      border: 3px solid var(--primary-color);
      box-shadow: var(--shadow-md), 0 0 15px rgba(0, 120, 231, 0.2);
      transition: var(--transition-slow);
    }
    
    .ceo-image-decoration {
      position: absolute;
      width: 280px;
      height: 280px;
      border: 2px dashed rgba(0, 120, 231, 0.3);
      border-radius: var(--border-radius-lg);
      top: 15px;
      left: 15px;
      z-index: -1;
      animation: rotate 15s linear infinite;
    }
    
    @keyframes rotate {
      from { transform: rotate(0deg); }
      to { transform: rotate(360deg); }
    }
    
    .ceo-info {
      flex: 1;
      z-index: 1;
    }
    
    .ceo-name {
      font-size: 32px;
      font-weight: 700;
      margin-bottom: 5px;
      color: var(--light-text);
      position: relative;
      display: inline-block;
    }
    
    .ceo-title {
      font-size: 18px;
      color: var(--primary-light);
      margin-bottom: 20px;
      font-weight: 500;
    }
    
    .ceo-separator {
      width: 80px;
      height: 3px;
      background: var(--primary-color);
      margin-bottom: 25px;
      position: relative;
      overflow: hidden;
    }
    
    .ceo-separator::after {
      content: '';
      position: absolute;
      top: 0;
      left: -100%;
      width: 100%;
      height: 100%;
      background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
      animation: shimmer 2.5s infinite;
    }
    
    @keyframes shimmer {
      100% { left: 100%; }
    }
    
    .ceo-bio {
      color: var(--light-gray);
      font-size: 16px;
      line-height: 1.8;
      margin-bottom: 20px;
      position: relative;
    }
    
    .ceo-quote {
      font-style: italic;
      font-size: 18px;
      color: var(--light-text);
      margin: 30px 0;
      padding: 0 20px;
      border-left: 3px solid var(--primary-color);
      font-weight: 500;
      position: relative;
    }
    
    .quote-mark {
      color: var(--primary-light);
      font-size: 24px;
      font-weight: 700;
      vertical-align: -5px;
    }
    
    .ceo-social {
      display: flex;
      gap: 15px;
      margin-top: 30px;
    }
    
    .social-icon {
      width: 45px;
      height: 45px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      background: rgba(0, 120, 231, 0.1);
      color: var(--primary-light);
      transition: all 0.4s;
    }
    
    .social-icon:hover {
      background: var(--primary-color);
      color: white;
      transform: translateY(-5px);
      box-shadow: var(--shadow-sm);
    }

    /* Contact Section */
    #contact {
      background: var(--dark-bg);
      position: relative;
    }
    
    .contact-container {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 50px;
      max-width: 1200px;
      margin: 0 auto;
    }
    
    .contact-info {
      padding: 20px;
      opacity: 0;
      transform: translateY(30px);
    }
    
    .contact-heading {
      margin-bottom: 25px;
      color: var(--primary-light);
    }
    
    .contact-text {
      color: var(--light-gray);
      margin-bottom: 30px;
      line-height: 1.7;
    }
    
    .contact-method {
      display: flex;
      align-items: flex-start;
      margin-bottom: 20px;
    }
    
    .contact-icon {
      width: 40px;
      height: 40px;
      border-radius: 8px;
      background: rgba(0, 120, 231, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-right: 15px;
      color: var(--primary-light);
      flex-shrink: 0;
    }
    
    .contact-details {
      display: flex;
      flex-direction: column;
    }
    
    .contact-label {
      font-size: 12px;
      opacity: 0.7;
      margin-bottom: 3px;
    }
    
    .contact-value {
      font-size: 16px;
      font-weight: 500;
    }
    
    .contact-value a {
      color: var(--light-text);
      text-decoration: none;
      transition: var(--transition-normal);
    }
    
    .contact-value a:hover {
      color: var(--primary-light);
    }
    
    .contact-form {
      padding: 20px;
      opacity: 0;
      transform: translateY(30px);
    }
    
    .form-group {
      margin-bottom: 25px;
      position: relative;
    }
    
    .form-label {
      display: block;
      margin-bottom: 8px;
      font-size: 15px;
      font-weight: 500;
    }
    
    .form-control {
      width: 100%;
      padding: 14px 15px;
      border-radius: var(--border-radius-sm);
      border: 1px solid rgba(0, 120, 231, 0.2);
      background: rgba(10, 33, 64, 0.6);
      color: var(--light-text);
      font-family: 'Inter', sans-serif;
      transition: var(--transition-normal);
      font-size: 16px;
    }
    
    .form-control:focus {
      border-color: var(--primary-color);
      box-shadow: 0 0 0 3px rgba(0, 120, 231, 0.2);
      outline: none;
    }
    
    .form-control::placeholder {
      color: rgba(255, 255, 255, 0.4);
    }
    
    textarea.form-control {
      min-height: 140px;
      resize: vertical;
    }

    .input-focus-effect {
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--primary-color);
      transition: width 0.3s ease;
    }
    
    .form-control:focus + .input-focus-effect {
      width: 100%;
    }

    /* Footer styling */
    .site-footer {
      background: var(--dark-bg-lighter);
      color: var(--light-gray);
      padding: 60px 40px 20px;
      position: relative;
    }
    
    .footer-content {
      display: flex;
      flex-direction: column;
      gap: 40px;
      max-width: 1200px;
      margin: 0 auto 50px;
    }
    
    .footer-brand {
      flex: 1;
    }
    
    .footer-logo {
      height: 50px;
      margin-bottom: 15px;
      filter: drop-shadow(0 0 5px var(--primary-color));
    }
    
    .footer-tagline {
      font-size: 14px;
      opacity: 0.8;
      max-width: 300px;
      line-height: 1.6;
    }
    
    .footer-domain {
      font-family: 'Roboto Mono', monospace;
      color: var(--primary-light);
      font-size: 16px;
      margin-top: 12px;
      font-weight: 500;
      letter-spacing: 0.5px;
    }
    
    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 40px;
    }
    
    .footer-column {
      min-width: 150px;
    }
    
    .footer-heading {
      font-size: 18px;
      margin-bottom: 20px;
      color: var(--light-text);
      position: relative;
      display: inline-block;
    }
    
    .footer-heading::after {
      content: '';
      position: absolute;
      bottom: -5px;
      left: 0;
      width: 30px;
      height: 2px;
      background: var(--primary-color);
    }
    
    .footer-menu {
      list-style: none;
      padding: 0;
    }
    
    .footer-menu li {
      margin-bottom: 10px;
    }
    
    .footer-menu a,
    .footer-legal a {
      color: var(--light-gray);
      text-decoration: none;
      transition: var(--transition-normal);
      position: relative;
      display: inline-block;
    }
    
    .footer-menu a::after,
    .footer-legal a::after {
      content: '';
      position: absolute;
      width: 0;
      height: 1px;
      bottom: -2px;
      left: 0;
      background: var(--primary-light);
      transition: width 0.3s ease;
    }
    
    .footer-menu a:hover,
    .footer-legal a:hover {
      color: var(--primary-light);
    }
    
    .footer-menu a:hover::after,
    .footer-legal a:hover::after {
      width: 100%;
    }
    
    .footer-social {
      display: flex;
      gap: 15px;
    }
    
    .footer-social-icon {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      background: rgba(0, 120, 231, 0.1);
      color: var(--primary-light);
      transition: var(--transition-normal);
    }
    
    .footer-social-icon:hover {
      background: var(--primary-color);
      color: white;
    }
    
    .footer-bottom {
      padding-top: 20px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      max-width: 1200px;
      margin: 0 auto;
      gap: 20px;
    }
    
    .copyright {
      font-size: 14px;
      opacity: 0.7;
    }
    
    .footer-legal {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      font-size: 14px;
    }

    /* Back to top button */
    .back-to-top {
      position: fixed;
      bottom: 30px;
      right: 30px;
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: var(--primary-color);
      color: white;
      border: none;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      opacity: 0;
      visibility: hidden;
      transform: translateY(20px);
      transition: var(--transition-normal);
      box-shadow: var(--shadow-sm);
      z-index: 99;
    }
    
    .back-to-top.visible {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }
    
    .back-to-top:hover {
      background: var(--primary-dark);
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
    }

    /* Animation classes */
    .reveal-on-scroll {
      opacity: 0;
      transform: translateY(30px);
      transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
    }
    
    .reveal-on-scroll.active {
      opacity: 1;
      transform: translateY(0);
    }

    .animate-float {
      animation: float 6s ease-in-out infinite;
    }
    
    @keyframes float {
      0% { transform: translateY(0px); }
      50% { transform: translateY(-15px); }
      100% { transform: translateY(0px); }
    }
    
    .hover-scale {
      transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    }
    
    .hover-scale:hover {
      transform: scale(1.05);
    }

    /* Navigation indicators */
    .nav-indicator {
      position: fixed;
      right: 20px;
      top: 50%;
      transform: translateY(-50%);
      display: flex;
      flex-direction: column;
      gap: 15px;
      z-index: 99;
    }
    
    .nav-dot {
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.3);
      cursor: pointer;
      transition: var(--transition-normal);
      position: relative;
    }
    
    .nav-dot.active {
      background: var(--primary-color);
      box-shadow: 0 0 10px var(--primary-color);
    }
    
    .nav-dot:hover::after {
      content: attr(data-tooltip);
      position: absolute;
      right: 20px;
      top: 50%;
      transform: translateY(-50%);
      background: rgba(5, 19, 38, 0.9);
      color: white;
      padding: 5px 10px;
      border-radius: 4px;
      font-size: 14px;
      white-space: nowrap;
      opacity: 0;
      animation: fadeIn 0.3s forwards;
    }
    
    @keyframes fadeIn {
      to { opacity: 1; }
    }
    
    /* Progress bar */
    .progress-container {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 3px;
      background: transparent;
      z-index: 1000;
    }
    
    .progress-bar {
      height: 100%;
      background: var(--primary-color);
      width: 0%;
    }
    
    /* Loader */
    .loader {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: var(--dark-bg);
      display: flex;
      justify-content: center;
      align-items: center;
      z-index: 9999;
      transition: opacity 0.5s ease, visibility 0.5s ease;
    }
    
    .loader.hidden {
      opacity: 0;
      visibility: hidden;
    }
    
    .loader-content {
      text-align: center;
    }
    
    .loader-logo {
      width: 100px;
      height: 100px;
      margin-bottom: 20px;
      animation: pulse-fade 1.5s infinite alternate;
    }
    
    .loader-spinner {
      width: 50px;
      height: 50px;
      border: 3px solid rgba(0, 120, 231, 0.3);
      border-radius: 50%;
      border-top-color: var(--primary-color);
      animation: spin 1s linear infinite;
      margin: 0 auto;
    }
    
    @keyframes spin {
      to { transform: rotate(360deg); }
    }
    
    @keyframes pulse-fade {
      from { opacity: 0.6; }
      to { opacity: 1; }
    }

    /* Media Queries */
    @media (min-width: 992px) {
      .ceo-profile {
        flex-direction: row;
        align-items: flex-start;
      }
      
      .footer-content {
        flex-direction: row;
        justify-content: space-between;
      }
    }

    @media (max-width: 992px) {
      section {
        padding: 100px 20px;
      }
      
      .headline h1 {
        margin-top: 40px;
      }
    }

    @media (max-width: 768px) {
      .top-bar {
        padding: 15px 20px;
      }
      
      .top-bar.scrolled {
        padding: 10px 20px;
      }
      
      .logo img {
        height: 40px;
      }
      
      .logo .text {
        font-size: 18px;
      }
      
      .mobile-menu-btn {
        display: flex;
      }
      
      nav ul {
        position: fixed;
        top: 0;
        right: -100%;
        flex-direction: column;
        background: rgba(5, 19, 38, 0.95);
        backdrop-filter: blur(10px);
        height: 100vh;
        width: 70%;
        max-width: 300px;
        padding: 80px 30px;
        gap: 25px;
        transition: right 0.3s ease;
        z-index: 100;
        box-shadow: -5px 0 25px rgba(0, 0, 0, 0.3);
      }
      
      nav ul.open {
        right: 0;
      }
      
      nav a {
        font-size: 18px;
        display: block;
        padding: 10px 0;
      }
      
      .service-icons {
        gap: 15px;
      }
      
      .service-icon {
        width: 140px;
        padding: 20px;
      }
      
      .section-title {
        font-size: 28px;
        margin-bottom: 50px;
      }

      section {
        padding: 80px 20px;
      }
      
      .nav-indicator {
        display: none;
      }
      
      .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
      }
    }

    @media (max-width: 576px) {
      .headline h1 {
        font-size: 2.2rem;
      }
      
      .headline .tagline {
        font-size: 1.1rem;
      }
      
      .stat-number {
        font-size: 36px;
      }
      
      .stat-label {
        font-size: 16px;
      }
      
      .ceo-photo {
        width: 220px;
        height: 220px;
      }
      
      .ceo-image-decoration {
        width: 220px;
        height: 220px;
      }
      
      .footer-content {
        gap: 30px;
      }
    }