:root {
            --theme-color: #2AC0FB;
            --dark-bg: #1A1A1A;
            --light-bg: #f5f5f5;
            --card-bg: #252525;
            --dark-text: #1A1A1A;
            --light-text: #FFFFFF;
            --transition: all 0.4s ease;
            --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Poppins', sans-serif;
            scroll-behavior: smooth;
        }
        
        body {
            background-color: var(--dark-bg);
            color: var(--light-text);
            transition: var(--transition);
            overflow-x: hidden;
        }
        
        body.light-mode {
            background-color: var(--light-bg);
            color: var(--dark-text);
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
            position: relative;
            z-index: 2;
        }

        /* Navbar */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            padding: 1.5rem ;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition);
            background-color: rgba(0, 0, 0, 0);
            backdrop-filter: blur(3.5px);
            transition: transform 0.4s ease, background-color 0.3s ease, padding 0.3s ease;
}
        
        body.light-mode .navbar {
            background-color: rgba(245, 245, 245, 0.8);
        }
        
        .logo {
            display: flex;
            align-items: center;
        }
        
        .logo-img {
            height: 40px;
            transition: var(--transition);
        }
        
        .logo-white {
            display: block;
        }
        
        .logo-black {
            display: none;
        }
        
        body.light-mode .logo-white {
            display: none;
        }
        
        body.light-mode .logo-black {
            display: block;
        }
        
        .nav-links {
            display: flex;
            gap: 2rem;
        }
        
        .nav-link {
            color: var(--light-text);
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }
        
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--theme-color);
            transition: var(--transition);
        }
        
        .nav-link:hover::after {
            width: 100%;
        }
        
        body.light-mode .nav-link {
            color: var(--dark-text);
        }
        
        .theme-toggle {
            background: none;
            border: none;
            color: var(--light-text);
            font-size: 1.2rem;
            cursor: pointer;
            transition: var(--transition);
        }
        
        body.light-mode .theme-toggle {
            color: var(--dark-text);
        }
        
        .mobile-menu {
            display: none;
            color: var(--light-text);
            font-size: 1.5rem;
            cursor: pointer;
            transition: var(--transition);
        }
        
        body.light-mode .mobile-menu {
            color: var(--dark-text);
        }

        /* Hero Section */
        .hero {
            height: 70vh;
            min-height: 500px;
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-top: 90px;
            color: white;
        }
        
        .hero-slider {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 1;
        }
        
        .slide {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0;
            transition: opacity 1s ease;
            background-size: cover;
            background-position: center;
            transform: scale(1.1);
        }
        
        .slide.active {
            opacity: 1;
            transform: scale(1);
            transition: opacity 1s ease, transform 8s ease;
        }
        
        .slide::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.4));
        }
        
        .slider-controls {
            position: absolute;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 15px;
            z-index: 5;
        }
        
        .slider-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.5);
            cursor: pointer;
            transition: var(--transition);
        }
        
        .slider-dot.active {
            background-color: var(--theme-color);
            transform: scale(1.2);
        }
        
        .slider-arrow {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.2);
            color: white;
            display: flex;
            justify-content: center;
            align-items: center;
            font-size: 1.5rem;
            cursor: pointer;
            transition: var(--transition);
            z-index: 5;
        }
        
        .slider-arrow:hover {
            background-color: var(--theme-color);
        }
        
        .slider-prev {
            left: 20px;
        }
        
        .slider-next {
            right: 20px;
        }
        
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            padding: 0 2rem;
        }
        
        .hero-title {
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
        }
        
        .hero-subtitle {
            font-size: 1.5rem;
            margin-bottom: 2.5rem;
            font-weight: 300;
        }
        
        .hero-btn {
            display: inline-block;
            padding: 1rem 2.5rem;
            background-color: var(--theme-color);
            color: white;
            text-decoration: none;
            border-radius: 50px;
            transition: var(--transition);
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        
        .hero-btn:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(42, 192, 251, 0.3);
        }

        /* Services Nav */
        .services-nav {
            background-color: var(--card-bg);
            padding: 1.5rem 0;
            position: sticky;
            top: 80px;
            z-index: 900;
            box-shadow: var(--box-shadow);
            transition: top 0.4s ease, background-color 0.3s ease;
        }
        
        body.light-mode .services-nav {
            background-color: white;
        }
        
        .services-nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            overflow-x: auto;
            scrollbar-width: none; /* Firefox */
            -ms-overflow-style: none; /* IE and Edge */
        }
        
        .services-nav-container::-webkit-scrollbar {
            display: none; /* Chrome, Safari, Opera */
        }
        
        .service-nav-item {
            padding: 0.8rem 1.5rem;
            background-color: transparent;
            color: var(--light-text);
            border: none;
            border-radius: 30px;
            cursor: pointer;
            transition: var(--transition);
            font-weight: 500;
            white-space: nowrap;
        }
        
        body.light-mode .service-nav-item {
            color: var(--dark-text);
        }
        
        .service-nav-item.active, .service-nav-item:hover {
            background-color: var(--theme-color);
            color: white;
        }

        /* Service Sections */
        .service-section {
            padding: 6rem 0;
            position: relative;
        }
        
        .service-section:nth-child(odd) {
            background-color: #212121;
        }
        
        body.light-mode .service-section:nth-child(odd) {
            background-color: #f0f0f0;
        }
        
        .service-banner {
            position: relative;
            height: 400px;
            overflow: hidden;
            border-radius: 20px;
            margin-bottom: 4rem;
            box-shadow: var(--box-shadow);
        }
        
        .service-banner img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .service-banner:hover img {
            transform: scale(1.05);
        }
        
        .service-banner::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
        }
        
        .service-banner-content {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            padding: 2rem;
            z-index: 1;
        }
        
        .service-banner-title {
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }
        
        .service-banner-desc {
            font-size: 1.1rem;
            max-width: 600px;
        }
        
        .service-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
            margin-bottom: 4rem;
        }
        
        .service-image {
            position: relative;
            height: 400px;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--box-shadow);
        }
        
        .service-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .service-info h3 {
            font-size: 2rem;
            margin-bottom: 1.5rem;
            color: var(--theme-color);
        }
        
        .service-info p {
            margin-bottom: 1.5rem;
            line-height: 1.7;
        }
        
        .service-features {
            margin-top: 2rem;
        }
        
        .feature-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 1rem;
        }
        
        .feature-icon {
            color: var(--theme-color);
            font-size: 1.2rem;
            margin-right: 1rem;
            margin-top: 5px;
        }
        
        .projects-heading {
            font-size: 2rem;
            margin: 4rem 0 2rem;
            text-align: center;
        }
        
        .service-projects {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }
        
        .project-card {
            border-radius: 15px;
            overflow: hidden;
            box-shadow: var(--box-shadow);
            background-color: var(--card-bg);
            transition: var(--transition);
        }
        
        body.light-mode .project-card {
            background-color: white;
        }
        
        .project-card:hover {
            transform: translateY(-10px);
        }
        
        .project-img {
            height: 200px;
            overflow: hidden;
        }
        
        .project-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .project-card:hover .project-img img {
            transform: scale(1.1);
        }
        
        .project-info {
            padding: 1.5rem;
        }
        
        .project-info h4 {
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
        }
        
        .project-info p {
            font-size: 0.9rem;
            color: #aaa;
            margin-bottom: 1rem;
        }
        
        body.light-mode .project-info p {
            color: #777;
        }
        
        .project-link {
            display: inline-flex;
            align-items: center;
            color: var(--theme-color);
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
        }
        
        .project-link i {
            margin-left: 5px;
            transition: var(--transition);
        }
        
        .project-link:hover {
            color: #1d9bd1;
        }
        
        .project-link:hover i {
            transform: translateX(5px);
        }
        
        .btn {
            display: inline-block;
            padding: 0.8rem 2rem;
            background-color: var(--theme-color);
            color: white;
            text-decoration: none;
            border-radius: 50px;
            transition: var(--transition);
            font-weight: 500;
            border: none;
            cursor: pointer;
        }
        
        .btn:hover {
            background-color: #1d9bd1;
            transform: translateY(-3px);
        }
        
        .text-center {
            text-align: center;
        }
        
        .mt-5 {
            margin-top: 3rem;
        }

        /* Footer */
        .footer {
            background-color: #151515;
            padding: 4rem 0 2rem;
        }
        
        .footer-container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2rem;
        }
        
        .footer-logo h2 {
            font-size: 2rem;
            margin-bottom: 1rem;
            color: var(--theme-color);
        }
        
        .footer-logo p {
            margin-bottom: 1.5rem;
            opacity: 0.8;
            line-height: 1.6;
        }
        
        .social-links {
            display: flex;
            gap: 1rem;
        }
        
        .social-link {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.1);
            color: white;
            transition: var(--transition);
        }
        
        .social-link:hover {
            background-color: var(--theme-color);
            transform: translateY(-5px);
        }
        
        .footer-links h3 {
            font-size: 1.2rem;
            margin-bottom: 1.5rem;
            position: relative;
            padding-bottom: 0.5rem;
        }
        
        .footer-links h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 2px;
            background-color: var(--theme-color);
        }
        
        .footer-links ul {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        
        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: var(--transition);
        }
        
        .footer-links a:hover {
            color: var(--theme-color);
            padding-left: 5px;
        }
        
        .copyright {
            text-align: center;
            margin-top: 4rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            opacity: 0.7;
        }
        
        /* Animations */
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .animated {
            animation: fadeIn 0.8s ease forwards;
        }
        
        /* Responsive */
        @media (max-width: 1024px) {
            .service-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            
            .footer-container {
                grid-template-columns: 1fr 1fr;
            }
        }
        
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            
            .mobile-menu {
                display: block;
            }
            
            .hero-title {
                font-size: 2.5rem;
            }
            
            .hero-subtitle {
                font-size: 1.2rem;
            }
            
            .service-banner {
                height: 300px;
            }
            
            .service-banner-title {
                font-size: 2rem;
            }
            
            .footer-container {
                grid-template-columns: 1fr;
                gap: 3rem;
            }
        }
        
        @media (max-width: 480px) {
            .service-nav-item {
                padding: 0.6rem 1rem;
                font-size: 0.9rem;
            }
            
            .hero-title {
                font-size: 2rem;
            }
            
            .service-banner-title {
                font-size: 1.5rem;
            }
            
            .slider-arrow {
                width: 40px;
                height: 40px;
                font-size: 1.2rem;
            }
        }
        
        /* Mobile navigation */
        .mobile-nav {
            position: fixed;
            top: 0;
            right: -100%;
            width: 80%;
            max-width: 400px;
            height: 100vh;
            background-color: var(--dark-bg);
            z-index: 1001;
            padding: 4rem 2rem;
            transition: right 0.4s ease;
            box-shadow: -10px 0 30px rgba(0, 0, 0, 0.2);
        }
        
        body.light-mode .mobile-nav {
            background-color: var(--light-bg);
        }
        
        .mobile-nav.active {
            right: 0;
        }
        
        .close-menu {
            position: absolute;
            top: 1.5rem;
            right: 1.5rem;
            color: var(--light-text);
            font-size: 1.5rem;
            cursor: pointer;
            transition: var(--transition);
        }
        
        body.light-mode .close-menu {
            color: var(--dark-text);
        }
        
        .close-menu:hover {
            color: var(--theme-color);
        }
        
        .mobile-nav-links {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        
        .mobile-nav-link {
            color: var(--light-text);
            text-decoration: none;
            font-size: 1.2rem;
            font-weight: 500;
            transition: var(--transition);
        }
        
        body.light-mode .mobile-nav-link {
            color: var(--dark-text);
        }
        
        .mobile-nav-link:hover {
            color: var(--theme-color);
            padding-left: 10px;
        }
        
        .overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.7);
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
        }
        
        .overlay.active {
            opacity: 1;
            visibility: visible;
        }
        
        /* Scroll progress */
        .scroll-progress {
            position: fixed;
            top: 0;
            left: 0;
            height: 3px;
            background-color: var(--theme-color);
            z-index: 1002;
            width: 0;
        }
        
        /* Back to top */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--theme-color);
            color: white;
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 999;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            box-shadow: 0 5px 15px rgba(42, 192, 251, 0.3);
        }
        
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        
        .back-to-top:hover {
            background-color: #1d9bd1;
            transform: translateY(-5px);
        }


        /* CSS for active section highlighting */
.service-nav-item {
    padding: 0.8rem 1.5rem;
    background-color: transparent;
    color: #FFFFFF;  /* Light text color for dark mode */
    border: none;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.4s ease;
    font-weight: 500;
    white-space: nowrap;
}

body.light-mode .service-nav-item {
    color: #1A1A1A;  /* Dark text color for light mode */
}

.service-nav-item.active, .service-nav-item:hover {
    background-color: #2AC0FB;  /* Theme color blue */
    color: white;
}

/* Fixed navigation styles */
.services-nav {
    background-color: #252525;
    padding: 1.5rem 0;
    position: sticky;
    top: 80px;
    z-index: 900;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

body.light-mode .services-nav {
    background-color: white;
}
.services-nav-fixed {
    top: 0 !important;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

body.light-mode .services-nav-fixed {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}
.services-nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    overflow-x: auto;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
}

.services-nav-container::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}