:root {
            --black: #000000;
            --dark-gray: #1a1a1a;
            --medium-gray: #4a4a4a;
            --gray: #6a6a6a;
            --light-gray: #a0a0a0;
            --silver: #d0d0d0;
            --off-white: #f5f5f5;
            --white: #ffffff;
        }

        /* Smooth scrolling */
        html {
            scroll-behavior: smooth;
        }

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

        body {
            font-family: 'Inter', sans-serif;
            color: var(--dark-gray);
            line-height: 1.7;
            overflow-x: hidden;
            background: var(--white);
        }

        /* Header */
        header {
            background: rgba(255, 255, 255, 0.98);
            color: var(--black);
            padding: 1.5rem 0;
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--silver);
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }

        .header-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-family: 'Poppins', sans-serif;
            font-size: 1.5rem;
            font-weight: 700;
            letter-spacing: 1px;
            color: var(--black);
            text-decoration: none;
            transition: opacity 0.3s;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .logo:hover {
            opacity: 0.7;
        }

        .logo img {
            height: 45px;
            width: auto;
            filter: none;
            transition: opacity 0.3s;
        }

        .logo:hover img {
            opacity: 0.8;
        }

        nav {
            display: flex;
            align-items: center;
        }

        nav a {
            color: var(--gray);
            text-decoration: none;
            margin-left: 2.5rem;
            font-weight: 500;
            font-size: 0.95rem;
            transition: all 0.3s;
            position: relative;
        }

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

        nav a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--black);
            transition: width 0.3s;
        }

        nav a:hover::after {
            width: 100%;
        }

        /* Hamburger Menu Button */
        .mobile-menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 0.5rem;
            z-index: 1001;
        }

        .mobile-menu-toggle span {
            width: 28px;
            height: 3px;
            background: var(--black);
            border-radius: 3px;
            transition: all 0.3s ease;
        }

        .mobile-menu-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(8px, 8px);
        }

        .mobile-menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .mobile-menu-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(8px, -8px);
        }

        /* Hero Section */
        .hero {
            margin-top: 80px;
            background: linear-gradient(165deg, var(--dark-gray) 0%, var(--black) 100%);
            color: white;
            padding: 8rem 2rem 6rem;
            position: relative;
            overflow: hidden;
        }

        /* Circuit Board Pattern */
        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: 
                linear-gradient(90deg, transparent 79px, rgba(255, 255, 255, 0.08) 79px, rgba(255, 255, 255, 0.08) 81px, transparent 81px),
                linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
            background-size: 80px 80px;
            opacity: 0.4;
            animation: circuit-flow 4s infinite;
        }

        @keyframes circuit-flow {
            0%, 100% {
                opacity: 0.4;
            }
            50% {
                opacity: 0.7;
            }
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -15%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
            border-radius: 50%;
        }

        .hero-content {
            max-width: 1200px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }

        .hero h1 {
            font-family: 'Poppins', sans-serif;
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            color: var(--white);
            animation: slideInLeft 1s ease-out;
        }

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

        .hero p {
            font-size: 1.2rem;
            margin-bottom: 2.5rem;
            color: rgba(255, 255, 255, 0.9);
            max-width: 600px;
            font-weight: 300;
            line-height: 1.8;
            animation: slideInLeft 1s ease-out 0.2s backwards;
        }

        .cta-button {
            display: inline-block;
            background: var(--white);
            color: var(--black);
            padding: 1rem 2.5rem;
            text-decoration: none;
            font-weight: 600;
            font-size: 1rem;
            border-radius: 50px;
            transition: all 0.3s;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
            animation: slideInLeft 1s ease-out 0.4s backwards;
        }

        .cta-button:hover {
            background: var(--off-white);
            transform: translateY(-2px);
            box-shadow: 0 6px 25px rgba(0, 0, 0, 0.3);
        }

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

        /* Electric Particles */
        .electric-particle {
            position: absolute;
            width: 3px;
            height: 3px;
            background: var(--white);
            border-radius: 50%;
            box-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
            animation: particle-float 6s infinite;
            opacity: 0;
        }

        .particle-1 {
            top: 20%;
            left: 15%;
            animation-delay: 0s;
        }

        .particle-2 {
            top: 40%;
            left: 80%;
            animation-delay: 1s;
        }

        .particle-3 {
            top: 60%;
            left: 25%;
            animation-delay: 2s;
        }

        .particle-4 {
            top: 80%;
            left: 70%;
            animation-delay: 3s;
        }

        .particle-5 {
            top: 30%;
            left: 50%;
            animation-delay: 4s;
        }

        @keyframes particle-float {
            0%, 100% {
                opacity: 0;
                transform: translateY(0) scale(1);
            }
            50% {
                opacity: 1;
                transform: translateY(-50px) scale(1.5);
            }
        }

        /* Services Section */
        .services {
            padding: 6rem 2rem;
            background: var(--white);
        }

        .section-title {
            text-align: center;
            font-family: 'Poppins', sans-serif;
            font-size: 2.5rem;
            font-weight: 600;
            margin-bottom: 1rem;
            color: var(--black);
            position: relative;
            display: inline-block;
            left: 50%;
            transform: translateX(-50%);
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background: var(--black);
        }

        .section-subtitle {
            text-align: center;
            font-size: 1.1rem;
            color: var(--gray);
            margin-bottom: 4rem;
            font-weight: 400;
        }

        .services-grid {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2.5rem;
        }

        @media (min-width: 1600px) {
            .services-grid {
                grid-template-columns: repeat(4, 1fr);
                max-width: 1600px;
            }
        }

        @media (min-width: 901px) and (max-width: 1599px) {
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
                max-width: 1100px;
            }
        }

        @media (min-width: 601px) and (max-width: 900px) {
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 2rem;
            }
        }

        @media (max-width: 600px) {
            .services-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
        }

        .service-card {
            background: var(--off-white);
            padding: 2.5rem;
            border-radius: 16px;
            border: 1px solid var(--silver);
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
        }

        @media (max-width: 600px) {
            .service-card {
                padding: 2rem 1.5rem;
            }
        }

        @media (min-width: 1600px) {
            .service-card {
                padding: 2rem;
            }
            
            .service-card h3 {
                font-size: 1.2rem;
            }
            
            .service-card p {
                font-size: 0.9rem;
            }
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--medium-gray), var(--black), transparent);
            transition: left 0.6s;
        }

        .service-card:hover::before {
            left: 100%;
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
            background: var(--white);
            border-color: var(--black);
        }

        .service-icon {
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
            display: block;
            filter: grayscale(1);
        }

        .service-card h3 {
            font-family: 'Poppins', sans-serif;
            font-size: 1.3rem;
            margin-bottom: 1rem;
            color: var(--black);
            font-weight: 600;
        }

        .service-card p {
            color: var(--gray);
            line-height: 1.8;
            font-size: 0.95rem;
        }

        /* Why Choose Section */
        .why-choose {
            padding: 6rem 2rem;
            background: linear-gradient(135deg, var(--dark-gray) 0%, var(--black) 100%);
            position: relative;
            overflow: hidden;
        }

        .why-choose::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: 
                radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
            z-index: 0;
        }

        .why-choose .section-title {
            color: var(--white);
            position: relative;
            z-index: 1;
        }

        .why-choose .section-title::after {
            background: var(--white);
        }

        .why-choose .section-subtitle {
            color: rgba(255, 255, 255, 0.9);
            position: relative;
            z-index: 1;
        }

        .why-grid {
            max-width: 1400px;
            margin: 3rem auto 0;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
            position: relative;
            z-index: 1;
        }

        @media (min-width: 1600px) {
            .why-grid {
                grid-template-columns: repeat(4, 1fr);
                max-width: 1600px;
            }
        }

        @media (min-width: 769px) and (max-width: 1599px) {
            .why-grid {
                grid-template-columns: repeat(2, 1fr);
                max-width: 1100px;
            }
        }

        @media (max-width: 768px) {
            .why-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
        }

        .why-item {
            text-align: center;
            padding: 2.5rem 2rem;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
        }

        .why-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), var(--white), transparent);
            transition: left 0.6s;
        }

        .why-item:hover::before {
            left: 100%;
        }

        .why-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 40px rgba(255, 255, 255, 0.1);
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.3);
        }

        @media (min-width: 1600px) {
            .why-item {
                padding: 2rem 1.5rem;
            }
            
            .why-item h3 {
                font-size: 1.2rem;
            }
            
            .why-item p {
                font-size: 0.9rem;
            }
        }

        @media (max-width: 768px) {
            .why-item {
                padding: 2rem 1.5rem;
            }
        }

        .why-item h3 {
            font-family: 'Poppins', sans-serif;
            color: var(--white);
            margin-bottom: 0.8rem;
            font-size: 1.3rem;
            font-weight: 600;
        }

        .why-item p {
            color: rgba(255, 255, 255, 0.9);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        /* Contact Section */
        .contact {
            padding: 6rem 2rem;
            background: var(--white);
        }

        .contact-container {
            max-width: 900px;
            margin: 0 auto;
            background: var(--off-white);
            padding: 3.5rem;
            border-radius: 20px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
            border: 1px solid var(--silver);
        }

        .contact-intro {
            text-align: center;
            margin-bottom: 3rem;
            color: var(--gray);
            font-size: 1.05rem;
        }

        .contact-info {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }

        .contact-item {
            padding: 2rem;
            background: var(--white);
            border-radius: 12px;
            border-left: 3px solid var(--black);
            transition: all 0.3s;
        }

        .contact-item:hover {
            transform: translateX(5px);
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
        }

        .contact-item h3 {
            font-family: 'Poppins', sans-serif;
            color: var(--black);
            margin-bottom: 0.8rem;
            font-size: 1rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .contact-item h3 svg {
            width: 20px;
            height: 20px;
            fill: var(--black);
        }

        .contact-item p {
            color: var(--gray);
            line-height: 1.6;
            font-size: 0.95rem;
        }

        .contact-item a {
            color: var(--black);
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s;
        }

        .contact-item a:hover {
            color: var(--medium-gray);
        }

        /* Footer */
        footer {
            background: var(--black);
            color: rgba(255, 255, 255, 0.9);
            text-align: center;
            padding: 2.5rem;
            border-top: 2px solid var(--dark-gray);
        }

        footer p {
            font-weight: 300;
            font-size: 0.9rem;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: flex;
            }

            .logo img {
                height: 35px;
            }

            .logo span {
                font-size: 1.2rem;
            }

            nav {
                position: fixed;
                top: 80px;
                right: -100%;
                width: 280px;
                height: calc(100vh - 80px);
                background: white;
                box-shadow: -2px 0 20px rgba(0, 0, 0, 0.1);
                transition: right 0.3s ease;
                flex-direction: column;
                padding: 2rem 0;
                z-index: 999;
            }

            nav.active {
                right: 0;
            }

            nav a {
                margin: 0;
                padding: 1.2rem 2rem;
                border-bottom: 1px solid var(--off-white);
                font-size: 1rem;
            }

            nav a::after {
                display: none;
            }

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

            .hero p {
                font-size: 1.05rem;
            }

            .section-title {
                font-size: 1.8rem;
                line-height: 1.3;
                padding: 0 1rem;
            }

            .why-choose .section-title {
                font-size: 1.8rem;
            }

            .section-subtitle {
                font-size: 1rem;
                padding: 0 1rem;
            }

            .contact-container {
                padding: 2rem;
            }

            .why-choose {
                padding: 4rem 1rem;
            }

            .services {
                padding: 4rem 1rem;
            }

            .contact {
                padding: 4rem 1rem;
            }
        }

        /* Subtle animations */
        .service-card,
        .contact-item {
            animation: fadeInUp 0.6s ease-out backwards;
        }

        .service-card:nth-child(1) { animation-delay: 0.1s; }
        .service-card:nth-child(2) { animation-delay: 0.2s; }
        .service-card:nth-child(3) { animation-delay: 0.3s; }
        .service-card:nth-child(4) { animation-delay: 0.4s; }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Footer utility classes */
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        .footer-title {
            font-weight: 500;
            font-size: 1rem;
            margin-bottom: 1rem;
        }

        .footer-info {
            font-size: 0.9rem;
            margin-top: 0.5rem;
            opacity: 0.9;
            line-height: 1.6;
        }

        .footer-link-section {
            font-size: 0.85rem;
            margin-top: 1rem;
            opacity: 0.8;
        }

        .footer-link {
            color: rgba(255, 255, 255, 0.9);
            text-decoration: underline;
        }

        .footer-copyright {
            font-size: 0.85rem;
            margin-top: 0.5rem;
            opacity: 0.7;
        }