/* Preloader full screen */
#preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #000; /* background color */
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  z-index: 9999;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

#preloader .loader img {
  width: 80px;
  margin-bottom: 15px;
  animation: pulse 1.5s infinite;
}

#preloader p {
  color: #39ff14;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
}

@keyframes pulse {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.1); opacity: 0.7; }
  100% { transform: scale(1); opacity: 1; }
}

/* Hide when done */
#preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

       
       :root {
            --primary-dark: #121212;
            --secondary-dark: #1e1e1e;
            --accent-blue: #39ff14;
            --accent-green: #00ddff;
            --text-light: #e0e0e0;
            --text-dim: #a0a0a0;
            --transition: all 0.3s ease;
        }

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

        body {
            font-family: 'Roboto', sans-serif;
            background-color: var(--primary-dark);
            color: var(--text-light);
            overflow-x: hidden;
            line-height: 1.6;
        }

        h1,
        h2,
        h3,
        h4 {
            font-family: 'Montserrat', sans-serif;
            font-weight: 700;
            margin-bottom: 1rem;
            color: white;
        }

        h1 {
            font-size: 3.5rem;
            font-weight: 900;
            letter-spacing: -1px;
        }

        h2 {
            font-size: 2.5rem;
            position: relative;
            display: inline-block;
            margin-bottom: 2rem;
        }

        h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 60px;
            height: 4px;
            background: var(--accent-blue);
        }

        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }

        section {
            padding: 100px 0;
        }

        /* Navigation */
        nav {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            z-index: 1000;
            padding: 15px 0;
            transition: var(--transition);
        }

        nav.scrolled {
            padding: 10px 0;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-family: 'Montserrat', sans-serif;
            font-size: 1.5rem;
            font-weight: 900;
            color: rgb(0, 0, 0);
            text-decoration: none;
            display: flex;
            align-items: center;
        }

        .logo span {
            color: var(--accent-green);
        }

        .logo i {
            margin-right: 10px;
            color: var(--accent-blue);
        }

        .nav-links {
            display: flex;
            list-style: none;
        }

        .nav-links li {
            margin-left: 30px;
        }

        .nav-links a {
            color: var(--primary-dark);
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--accent-blue);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-blue);
            transition: var(--transition);
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }

        /* Hero Section */
        .hero {
            height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
        }

        .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
            opacity: 0.2;
        }

        .hero-bg::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('https://png.pngtree.com/thumb_back/fh260/background/20231002/pngtree-illustration-of-a-3d-render-showcasing-a-concept-of-web-ui-image_13584942.png') no-repeat center center;
            background-size: cover;
            filter: grayscale(100%) contrast(120%);
        }

        .hero-content {
            max-width: 800px;
            z-index: 1;
        }

        .hero h1 {
            font-size: 4rem;
            margin-bottom: 1rem;
            line-height: 1.1;
            animation: fadeInUp 1s ease;
        }

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

        .tagline {
            font-size: 1.5rem;
            font-weight: 300;
            margin-bottom: 2rem;
            color: var(--text-dim);
            animation: fadeInUp 1s ease 0.2s;
            animation-fill-mode: both;
        }

        .cta-button {
            display: inline-block;
            padding: 15px 35px;
            background: var(--accent-blue);
            color: white;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
            z-index: 1;
            animation: fadeInUp 1s ease 0.4s;
            animation-fill-mode: both;
        }

        .cta-button::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: var(--accent-green);
            transform: translateX(-100%);
            transition: var(--transition);
            z-index: -1;
        }

        .cta-button:hover::before {
            transform: translateX(0);
        }

        .cta-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0, 212, 255, 0.3);
        }

        .scroll-indicator {
            position: absolute;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            animation: bounce 2s infinite;
        }

        .scroll-indicator i {
            font-size: 2rem;
            color: var(--accent-blue);
        }

        /* About Section */
        .about {
            background-color: var(--secondary-dark);
        }

        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-text h2 {
            margin-bottom: 1.5rem;
        }

        .about-text p {
            margin-bottom: 1.5rem;
            color: var(--text-dim);
        }

        .about-image {
            position: relative;
            overflow: hidden;
            border-radius: 10px;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
        }

        .about-image img {
            width: 100%;
            height: auto;
            display: block;
            transition: var(--transition);
        }

        .about-image:hover img {
            transform: scale(1.05);
        }

        .about-stats {
            display: flex;
            margin-top: 2rem;
        }

        .stat {
            margin-right: 40px;
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--accent-blue);
            margin-bottom: 5px;
        }

        .stat-label {
            color: var(--text-dim);
            font-size: 0.9rem;
        }

        /* Services Section */
        .services {
            background-color: var(--primary-dark);
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }

        .service-card {
            background: var(--secondary-dark);
            border-radius: 10px;
            padding: 30px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
            z-index: 1;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 5px;
            height: 100%;
            background: var(--accent-blue);
            transform: scaleY(0);
            transition: var(--transition);
            z-index: -1;
        }

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

        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
        }

        .service-icon {
            font-size: 2.5rem;
            color: var(--accent-blue);
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
        }

        .service-card p {
            color: var(--text-dim);
        }

        /* Portfolio Section */
        .portfolio {
            background-color: var(--secondary-dark);
        }

        .portfolio-filter {
            display: flex;
            justify-content: center;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .filter-btn {
            background: none;
            border: 1px solid var(--text-dim);
            color: var(--text-dim);
            padding: 8px 20px;
            margin: 5px;
            border-radius: 50px;
            cursor: pointer;
            transition: var(--transition);
            font-weight: 500;
        }

        .filter-btn.active,
        .filter-btn:hover {
            background: var(--accent-blue);
            color: white;
            border-color: var(--accent-blue);
        }

        .portfolio-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 25px;
        }

        .portfolio-item {
            position: relative;
            border-radius: 10px;
            overflow: hidden;
            height: 250px;
            cursor: pointer;
        }

        .portfolio-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .portfolio-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            opacity: 0;
            transition: var(--transition);
            padding: 20px;
            text-align: center;
        }

        .portfolio-item:hover .portfolio-overlay {
            opacity: 1;
        }

        .portfolio-item:hover img {
            transform: scale(1.1);
        }

        .portfolio-overlay h3 {
            font-size: 1.5rem;
            margin-bottom: 10px;
        }

        .portfolio-overlay p {
            color: var(--text-dim);
            margin-bottom: 15px;
        }

        .portfolio-link {
            display: inline-block;
            color: var(--accent-blue);
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
        }

        .portfolio-link:hover {
            color: var(--accent-green);
        }

        /* Testimonials Section */
        .testimonials {
            background-color: var(--primary-dark);
        }

        .testimonial-slider {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }

        .testimonial {
            text-align: center;
            padding: 30px;
            background: var(--secondary-dark);
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        }

        .testimonial-text {
            font-style: italic;
            margin-bottom: 30px;
            color: var(--text-dim);
            font-size: 1.1rem;
            line-height: 1.8;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .author-image {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            overflow: hidden;
            margin-right: 15px;
        }

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

        .author-info h4 {
            margin-bottom: 5px;
            font-size: 1.1rem;
        }

        .author-info p {
            color: var(--text-dim);
            font-size: 0.9rem;
        }

        .slider-controls {
            display: flex;
            justify-content: center;
            margin-top: 30px;
        }

        .slider-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--text-dim);
            margin: 0 5px;
            cursor: pointer;
            transition: var(--transition);
        }

        .slider-dot.active {
            background: var(--accent-blue);
            transform: scale(1.2);
        }

        /* Contact Section */
        .contact {
            background-color: var(--secondary-dark);
        }

        .contact-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }

        .contact-form {
            background: var(--primary-dark);
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            color: var(--text-dim);
            font-weight: 500;
        }

        .form-control {
            width: 100%;
            padding: 12px 15px;
            background: var(--secondary-dark);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 5px;
            color: white;
            font-family: 'Roboto', sans-serif;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--accent-blue);
            box-shadow: 0 0 0 2px rgba(0, 212, 255, 0.2);
        }

        textarea.form-control {
            resize: vertical;
            min-height: 120px;
        }

        .submit-btn {
            background: var(--accent-blue);
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }

        .submit-btn:hover {
            background: var(--accent-green);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(57, 255, 20, 0.3);
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .contact-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 30px;
        }

        .contact-icon {
            font-size: 1.5rem;
            color: var(--accent-blue);
            margin-right: 15px;
            min-width: 30px;
        }

        .contact-text h4 {
            margin-bottom: 5px;
            font-size: 1.2rem;
        }

        .contact-text p {
            color: var(--text-dim);
        }

        .social-links {
            display: flex;
            margin-top: 30px;
        }

        .social-link {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary-dark);
            color: white;
            border-radius: 50%;
            margin-right: 15px;
            transition: var(--transition);
        }

        .social-link:hover {
            background: var(--accent-blue);
            transform: translateY(-5px);
        }

        /* Footer */
        footer {
            background: var(--primary-dark);
            padding: 50px 0 20px;
            text-align: center;
        }

        .footer-content {
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .footer-logo {
            font-family: 'Montserrat', sans-serif;
            font-size: 1.8rem;
            font-weight: 900;
            color: white;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
        }

        .footer-logo span {
            color: var(--accent-blue);
        }

        .footer-logo i {
            margin-right: 10px;
            color: var(--accent-blue);
        }

        .footer-links {
            display: flex;
            margin-bottom: 30px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .footer-links a {
            color: var(--text-dim);
            text-decoration: none;
            margin: 0 15px;
            transition: var(--transition);
        }

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

        .copyright {
            color: var(--text-dim);
            font-size: 0.9rem;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            width: 100%;
        }

        /* Animations */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes bounce {

            0%,
            20%,
            50%,
            80%,
            100% {
                transform: translateY(0) translateX(-50%);
            }

            40% {
                transform: translateY(-20px) translateX(-50%);
            }

            60% {
                transform: translateY(-10px) translateX(-50%);
            }
        }

        /* Responsive Design */
        @media (max-width: 992px) {
            h1 {
                font-size: 3rem;
            }

            h2 {
                font-size: 2rem;
            }

            .about-content,
            .contact-content {
                grid-template-columns: 1fr;
            }

            .about-image {
                max-width: 600px;
                margin: 0 auto;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 70px;
                left: 0;
                width: 100%;
                background: rgba(255, 255, 255, 0.95);
                backdrop-filter: blur(10px);
                flex-direction: column;
                align-items: center;
                padding: 20px 0;
                transform: translateY(-150%);
                transition: var(--transition);
                z-index: 999;
            }

            .nav-links.active {
                transform: translateY(0);
            }

            .nav-links li {
                margin: 15px 0;
            }

            .mobile-menu-btn {
                display: block;
            }

            .hero h1 {
                font-size: 2.5rem;
            }

            .tagline {
                font-size: 1.2rem;
            }

            .about-stats {
                justify-content: space-between;
                column-gap: 5px;
            }

            .stat {
                margin-right: 0;
            }

            .portfolio-grid {
                grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            }
        }

        @media (max-width: 576px) {
            h1 {
                font-size: 2rem;
            }

            h2 {
                font-size: 1.8rem;
            }

            .hero {
                height: 90vh;
            }

            section {
                padding: 70px 0;
            }

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

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

            .footer-links {
                flex-direction: column;
                align-items: center;
            }

            .footer-links a {
                margin: 5px 0;
            }
        }