    :root {
      --primary-color: #36C5F3;
      --dark-color: #36363A;
      --light-gray: #f8f9fa;
      --text-light: #6c757d;
      --white: #ffffff;
      --gradient-1: linear-gradient(135deg, #36C5F3 0%, #1e9bb8 100%);
      --gradient-2: linear-gradient(135deg, #36363A 0%, #2a2a2e 100%);
      --shadow-light: 0 5px 15px rgba(54, 197, 243, 0.1);
      --shadow-dark: 0 10px 30px rgba(0, 0, 0, 0.1);
    }

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

    body {
      font-family: 'Inter', sans-serif;
      line-height: 1.6;
      color: var(--dark-color);
      overflow-x: hidden;
    }

    h1, h2, h3, h4, h5, h6 {
      font-family: 'Poppins', sans-serif;
      font-weight: 600;
    }

    /* Custom Scrollbar */
    ::-webkit-scrollbar {
      width: 6px;
    }

    ::-webkit-scrollbar-track {
      background: var(--light-gray);
    }

    ::-webkit-scrollbar-thumb {
      background: var(--primary-color);
      border-radius: 3px;
    }

    /* Spinner */
    #spinner {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: var(--white);
      display: flex;
      align-items: center;
      justify-content: center;
      z-index: 9999;
      transition: opacity 0.5s ease;
    }

    #spinner.show {
      opacity: 1;
    }

    #spinner.hide {
      opacity: 0;
      pointer-events: none;
    }

    .spinner-modern {
      width: 50px;
      height: 50px;
      border: 3px solid var(--light-gray);
      border-top: 3px solid var(--primary-color);
      border-radius: 50%;
      animation: spin 1s linear infinite;
    }

    @keyframes spin {
      0% { transform: rotate(0deg); }
      100% { transform: rotate(360deg); }
    }

    /* Topbar */
    .topbar {
      background: var(--dark-color);
      padding: 8px 0;
      font-size: 14px;
    }

    .topbar a {
      color: rgba(255, 255, 255, 0.7);
      text-decoration: none;
      transition: color 0.3s ease;
    }

    .topbar a:hover {
      color: var(--primary-color);
      text-decoration: none;
    }

    .social-links a {
      width: 32px;
      height: 32px;
      background: rgba(54, 197, 243, 0.1);
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin: 0 5px;
      transition: all 0.3s ease;
    }

    .social-links a:hover {
      background: var(--primary-color);
      transform: translateY(-2px);
    }

    /* Navbar */
    .navbar-modern {
      background: var(--white) !important;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
      padding: 15px 0;
      transition: all 0.3s ease;
    }

    .navbar-modern.scrolled {
      padding: 10px 0;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    }

    .navbar-brand img {
      height: 70px;
      transition: height 0.3s ease;
    }

    .navbar-modern.scrolled .navbar-brand img {
      height: 45px;
    }

    .navbar-nav .nav-link {
      color: var(--dark-color) !important;
      font-weight: 500;
      margin: 0 15px;
      padding: 8px 0 !important;
      position: relative;
      transition: color 0.3s ease;
    }

    .navbar-nav .nav-link::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--primary-color);
      transition: width 0.3s ease;
    }

    .navbar-nav .nav-link:hover::after,
    .navbar-nav .nav-link.active::after {
      width: 100%;
    }

    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link.active {
      color: var(--primary-color) !important;
    }

    .navbar-toggler {
      border: none;
      padding: 4px 8px;
    }

    .navbar-toggler:focus {
      box-shadow: none;
    }

    /* Phone CTA Section */
    .navbar .btn-outline-primary {
      border-color: var(--primary-color);
      color: var(--primary-color);
      padding: 6px 16px;
      font-size: 0.875rem;
      transition: all 0.3s ease;
    }

    .navbar .btn-outline-primary:hover {
      background-color: var(--primary-color);
      border-color: var(--primary-color);
      color: white;
    }

    /* Mobile responsiveness */
    @media (max-width: 1199.98px) {
      .navbar-nav {
        text-align: center;
        margin-top: 1rem;
      }
      
      .navbar-nav .nav-link {
        margin: 5px 0;
        padding: 10px 0 !important;
      }
    }

    @media (max-width: 991.98px) {
      .navbar-brand img {
        height: 50px;
      }
      
      .navbar-modern.scrolled .navbar-brand img {
        height: 40px;
      }
    }

    .btn-modern {
      background: var(--gradient-1);
      border: none;
      color: var(--white);
      padding: 12px 30px;
      border-radius: 25px;
      font-weight: 500;
      transition: all 0.3s ease;
      text-decoration: none;
      display: inline-block;
    }

    .btn-modern:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(54, 197, 243, 0.3);
      color: var(--white);
      text-decoration: none;
    }

    .phone-cta {
      background: var(--gradient-1);
      border-radius: 15px;
      padding: 15px 20px;
      color: var(--white);
      text-decoration: none;
      transition: all 0.3s ease;
    }

    .phone-cta:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-dark);
      color: var(--white);
      text-decoration: none;
    }

    /* Modern Hero Section */
    .hero-section {
      background: var(--gradient-2);
      padding: 120px 0 80px;
      position: relative;
      overflow: hidden;
    }

    .hero-section::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: linear-gradient(135deg, rgba(54, 54, 58, 0.95) 0%, rgba(54, 54, 58, 0.7) 100%);
      z-index: 1;
    }

    .hero-content {
      position: relative;
      z-index: 2;
    }

    .hero-badge {
      background: rgba(54, 197, 243, 0.2);
      color: var(--primary-color);
      padding: 8px 20px;
      border-radius: 25px;
      font-weight: 500;
      font-size: 14px;
      text-transform: uppercase;
      letter-spacing: 1px;
      display: inline-block;
      margin-bottom: 20px;
      border: 1px solid rgba(54, 197, 243, 0.3);
    }

    .hero-title {
      font-size: 3rem;
      font-weight: 700;
      color: var(--white);
      margin-bottom: 20px;
      line-height: 1.2;
    }

    .hero-title .text-primary {
      color: var(--primary-color) !important;
    }

    .hero-description {
      font-size: 1.1rem;
      color: rgba(255, 255, 255, 0.9);
      margin-bottom: 30px;
      line-height: 1.6;
    }

    .hero-buttons {
      display: flex;
      gap: 15px;
      flex-wrap: wrap;
    }

    .btn-hero-primary {
      background: var(--gradient-1);
      border: none;
      color: var(--white);
      padding: 12px 30px;
      border-radius: 25px;
      font-weight: 500;
      transition: all 0.3s ease;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-hero-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(54, 197, 243, 0.3);
      color: var(--white);
      text-decoration: none;
    }

    .btn-hero-outline {
      border: 2px solid var(--primary-color);
      color: var(--primary-color);
      background: transparent;
      padding: 10px 30px;
      border-radius: 25px;
      font-weight: 500;
      transition: all 0.3s ease;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-hero-outline:hover {
      background: var(--primary-color);
      color: var(--white);
      transform: translateY(-2px);
      text-decoration: none;
    }

    /* Hero Carousel */
    .hero-carousel {
      position: relative;
      z-index: 2;
    }

    .hero-carousel .carousel-inner {
      border-radius: 20px;
      overflow: hidden;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    }

    .hero-carousel .carousel-item {
      height: 650px;
    }

    .hero-carousel .carousel-item img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .hero-carousel .carousel-caption {
      background: rgba(54, 54, 58, 0.8);
      backdrop-filter: blur(10px);
      border-radius: 10px;
      padding: 15px 20px;
      bottom: 20px;
      left: 20px;
      right: 20px;
      text-align: left;
    }

    .hero-carousel .carousel-caption h5 {
      color: var(--primary-color);
      font-weight: 600;
      margin-bottom: 5px;
      font-size: 1.1rem;
    }

    .hero-carousel .carousel-caption p {
      color: var(--white);
      margin-bottom: 0;
      font-size: 0.9rem;
    }

    .hero-carousel .carousel-control-prev,
    .hero-carousel .carousel-control-next {
      width: 45px;
      height: 45px;
      background: rgba(54, 197, 243, 0.9);
      border-radius: 50%;
      top: 50%;
      transform: translateY(-50%);
      opacity: 1;
      transition: all 0.3s ease;
    }

    .hero-carousel .carousel-control-prev {
      left: 15px;
    }

    .hero-carousel .carousel-control-next {
      right: 15px;
    }

    .hero-carousel .carousel-control-prev:hover,
    .hero-carousel .carousel-control-next:hover {
      background: var(--primary-color);
      transform: translateY(-50%) scale(1.1);
    }

    .hero-carousel .carousel-control-prev-icon,
    .hero-carousel .carousel-control-next-icon {
      width: 16px;
      height: 16px;
    }

    /* Mission & Vision Section */
    .mission-vision {
      background: var(--gradient-1);
      padding: 80px 0;
      color: var(--white);
    }

    .mission-card,
    .vision-card {
      background: rgba(255, 255, 255, 0.1);
      backdrop-filter: blur(10px);
      border-radius: 20px;
      padding: 40px;
      height: 100%;
      transition: transform 0.3s ease;
    }

    .mission-card:hover,
    .vision-card:hover {
      transform: translateY(-10px);
    }

    .mission-card h4,
    .vision-card h4 {
      color: var(--white);
      margin-bottom: 20px;
      font-size: 1.8rem;
    }

    /* About Section */
    .about-section {
      padding: 100px 0;
      background: var(--white);
    }

    .about-gallery {
      position: relative;
    }

    .about-image-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      grid-template-rows: repeat(3, 150px);
      gap: 15px;
      height: auto;
    }

    .about-image {
      border-radius: 15px;
      overflow: hidden;
      box-shadow: var(--shadow-light);
      transition: all 0.3s ease;
    }

    .about-image:hover {
      transform: scale(1.05);
      box-shadow: var(--shadow-dark);
    }

    .about-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .section-title {
      color: var(--primary-color);
      font-size: 1rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 10px;
    }

    .section-heading {
      font-size: 2.5rem;
      margin-bottom: 30px;
      color: var(--dark-color);
    }

    /* Services Section */
    .services-section {
      padding: 100px 0;
      background: var(--light-gray);
    }

    .service-card {
      background: var(--white);
      border-radius: 20px;
      padding: 40px 30px;
      text-align: center;
      height: 100%;
      transition: all 0.3s ease;
      border: 1px solid rgba(54, 197, 243, 0.1);
      position: relative;
      overflow: hidden;
    }

    .service-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: -100%;
      width: 100%;
      height: 100%;
      background: var(--gradient-1);
      transition: left 0.5s ease;
      z-index: 1;
    }

    .service-card:hover::before {
      left: 0;
    }

    .service-card:hover {
      transform: translateY(-10px);
      box-shadow: var(--shadow-dark);
    }

    .service-card * {
      position: relative;
      z-index: 2;
      transition: color 0.3s ease;
    }

    .service-card:hover h4,
    .service-card:hover p {
      color: var(--white);
    }

    .service-card i {
      font-size: 3rem;
      color: var(--primary-color);
      margin-bottom: 20px;
      transition: color 0.3s ease;
    }

    .service-card:hover i {
      color: var(--white);
    }

    .service-card h4 {
      margin-bottom: 15px;
      color: var(--dark-color);
    }

    /* Clients Section */
    .clients-section {
      padding: 100px 0;
      background: var(--white);
    }

    .client-card {
      background: var(--white);
      border-radius: 20px;
      padding: 30px;
      text-align: left;
      height: 100%;
      transition: all 0.3s ease;
      border: 1px solid rgba(54, 197, 243, 0.1);
      box-shadow: var(--shadow-light);
    }

    .client-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-dark);
    }

    .client-logo {
      width: 80px;
      height: 80px;
      background: var(--gradient-1);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      color: var(--white);
      font-size: 2rem;
      font-weight: bold;
    }

    .client-name {
      color: var(--dark-color);
      font-size: 1.5rem;
      font-weight: 600;
      margin-bottom: 15px;
    }

    .project-details {
      margin-bottom: 15px;
    }

    .project-details h6 {
      color: var(--primary-color);
      font-weight: 600;
      margin-bottom: 5px;
    }

    .project-details p {
      color: var(--text-light);
      margin-bottom: 10px;
      font-size: 0.9rem;
    }

    .task-list {
      list-style: none;
      padding: 0;
    }

    .task-list li {
      color: var(--text-light);
      font-size: 0.9rem;
      margin-bottom: 5px;
      padding-left: 20px;
      position: relative;
    }

    .task-list li::before {
      content: '•';
      color: var(--primary-color);
      font-weight: bold;
      position: absolute;
      left: 0;
    }

    /* Contact Section */
    .contact-section {
      padding: 100px 0;
      background: var(--light-gray);
    }

    .contact-card {
      background: var(--white);
      border-radius: 20px;
      padding: 30px;
      text-align: center;
      box-shadow: var(--shadow-light);
      transition: all 0.3s ease;
      border: 1px solid rgba(54, 197, 243, 0.1);
    }

    .contact-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-dark);
    }

    .contact-card a {
      text-decoration: none;
      color: var(--gradient-1);
    }

    .contact-card a:hover {
      color: var(--primary-color);
    }

    .contact-icon {
      width: 70px;
      height: 70px;
      background: var(--gradient-1);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 20px;
      color: var(--white);
      font-size: 1.5rem;
    }

    .contact-form {
      background: var(--white);
      border-radius: 20px;
      padding: 40px;
      box-shadow: var(--shadow-light);
    }

    .form-control {
      border: none;
      border-radius: 10px;
      padding: 15px 20px;
      background: var(--light-gray);
      box-shadow: var(--shadow-light);
      transition: all 0.3s ease;
    }

    .form-control:focus {
      box-shadow: 0 0 0 3px rgba(54, 197, 243, 0.1);
      border-color: var(--primary-color);
      background: var(--white);
    }

    .map-container {
      border-radius: 20px;
      overflow: hidden;
      box-shadow: var(--shadow-dark);
    }

    /* Footer */
    .footer {
      background: var(--gradient-2);
      color: var(--white);
      padding: 60px 0 30px;
    }

    .footer h5 {
      color: var(--primary-color);
      margin-bottom: 20px;
    }

    .footer a {
      color: rgba(255, 255, 255, 0.8);
      text-decoration: none;
      transition: color 0.3s ease;
    }

    .footer a:hover {
      color: var(--primary-color);
      text-decoration: none;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      margin-top: 40px;
      padding-top: 20px;
    }

    /* Back to Top */
    .back-to-top {
      position: fixed;
      bottom: 30px;
      right: 30px;
      width: 50px;
      height: 50px;
      background: var(--gradient-1);
      color: var(--white);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      text-decoration: none;
      opacity: 0;
      visibility: hidden;
      transition: all 0.3s ease;
      z-index: 1000;
    }

    .back-to-top.show {
      opacity: 1;
      visibility: visible;
    }

    .back-to-top:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-dark);
      color: var(--white);
      text-decoration: none;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .hero-title {
        font-size: 2.5rem;
      }

      .hero-description {
        font-size: 1rem;
      }

      .hero-buttons {
        flex-direction: column;
        align-items: stretch;
      }

      .btn-hero-primary,
      .btn-hero-outline {
        text-align: center;
        justify-content: center;
      }

      .hero-carousel .carousel-item {
        height: 300px;
      }

      .about-image-grid {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(9, 250px);
      }

      .section-heading {
        font-size: 2rem;
      }
    }

    @media (max-width: 576px) {
      .hero-title {
        font-size: 2rem;
      }

      .hero-section {
        padding: 100px 0 60px;
        min-height: 500px;
      }

      .hero-carousel .carousel-item {
        height: 250px;
      }

      .mission-card,
      .vision-card {
        padding: 30px 20px;
      }

      .service-card {
        padding: 30px 20px;
      }

      .about-image-grid {
        height: auto;
      }

      .side-images {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(4, 120px);
      }
    }

    /* Animation Classes */
    .fadeInUp {
      animation: fadeInUp 1s ease-out;
    }

    .fadeInLeft {
      animation: fadeInLeft 1s ease-out;
    }

    .fadeInRight {
      animation: fadeInRight 1s ease-out;
    }

    @keyframes fadeInUp {
      from {
        opacity: 0;
        transform: translateY(30px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    @keyframes fadeInLeft {
      from {
        opacity: 0;
        transform: translateX(-30px);
      }
      to {
        opacity: 1;
        transform: translateX(0);
      }
    }

    @keyframes fadeInRight {
      from {
        opacity: 0;
        transform: translateX(30px);
      }
      to {
        opacity: 1;
        transform: translateX(0);
      }
    }

    .error-section {
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      background: var(--gradient-2);
      position: relative;
      overflow: hidden;
    }

    .error-section::before {
      content: '';
      position: absolute;
      top: -50%;
      left: -50%;
      width: 200%;
      height: 200%;
      background: linear-gradient(45deg, transparent, rgba(54, 197, 243, 0.1), transparent);
      animation: rotate 20s linear infinite;
    }

    @keyframes rotate {
      0% { transform: rotate(0deg); }
      100% { transform: rotate(360deg); }
    }

    .error-content {
      text-align: center;
      color: var(--white);
      z-index: 2;
      position: relative;
      max-width: 600px;
      padding: 40px;
    }

    .error-code {
      font-size: 10rem;
      font-weight: 700;
      color: var(--primary-color);
      line-height: 1;
      margin-bottom: 20px;
      text-shadow: 0 0 30px rgba(54, 197, 243, 0.5);
      animation: glow 2s ease-in-out infinite alternate;
    }

    @keyframes glow {
      from { text-shadow: 0 0 30px rgba(54, 197, 243, 0.5); }
      to { text-shadow: 0 0 50px rgba(54, 197, 243, 0.8), 0 0 60px rgba(54, 197, 243, 0.8); }
    }

    .error-title {
      font-size: 3rem;
      font-weight: 600;
      margin-bottom: 20px;
      color: var(--white);
    }

    .error-description {
      font-size: 1.2rem;
      color: rgba(255, 255, 255, 0.8);
      margin-bottom: 40px;
      line-height: 1.6;
    }

    .error-actions {
      display: flex;
      gap: 20px;
      justify-content: center;
      flex-wrap: wrap;
    }

    .btn-error-primary {
      background: var(--gradient-1);
      border: none;
      color: var(--white);
      padding: 15px 30px;
      border-radius: 25px;
      font-weight: 500;
      transition: all 0.3s ease;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 1.1rem;
    }

    .btn-error-primary:hover {
      transform: translateY(-3px);
      box-shadow: 0 10px 25px rgba(54, 197, 243, 0.4);
      color: var(--white);
      text-decoration: none;
    }

    .btn-error-outline {
      border: 2px solid var(--primary-color);
      color: var(--primary-color);
      background: transparent;
      padding: 13px 30px;
      border-radius: 25px;
      font-weight: 500;
      transition: all 0.3s ease;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 1.1rem;
    }

    .btn-error-outline:hover {
      background: var(--primary-color);
      color: var(--white);
      transform: translateY(-3px);
      text-decoration: none;
    }

    .floating-elements {
      position: absolute;
      width: 100%;
      height: 100%;
      overflow: hidden;
      z-index: 1;
    }

    .floating-elements .shape {
      position: absolute;
      background: rgba(54, 197, 243, 0.1);
      border-radius: 50%;
      animation: float 6s ease-in-out infinite;
    }

    .floating-elements .shape:nth-child(1) {
      width: 80px;
      height: 80px;
      top: 20%;
      left: 10%;
      animation-delay: 0s;
    }

    .floating-elements .shape:nth-child(2) {
      width: 60px;
      height: 60px;
      top: 60%;
      left: 80%;
      animation-delay: 2s;
    }

    .floating-elements .shape:nth-child(3) {
      width: 100px;
      height: 100px;
      top: 80%;
      left: 20%;
      animation-delay: 4s;
    }

    .floating-elements .shape:nth-child(4) {
      width: 40px;
      height: 40px;
      top: 30%;
      left: 70%;
      animation-delay: 1s;
    }

    @keyframes float {
      0%, 100% { transform: translateY(0px); }
      50% { transform: translateY(-20px); }
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .error-code {
        font-size: 6rem;
      }

      .error-title {
        font-size: 2rem;
      }

      .error-description {
        font-size: 1rem;
      }

      .error-actions {
        flex-direction: column;
        align-items: center;
      }

      .btn-error-primary,
      .btn-error-outline {
        width: 100%;
        max-width: 250px;
        justify-content: center;
      }

      .error-content {
        padding: 20px;
      }
    }

    @media (max-width: 576px) {
      .error-code {
        font-size: 4rem;
      }

      .error-title {
        font-size: 1.5rem;
      }
    }