:root {
            --primary: #4361ee;
            --primary-dark: #3a56d4;
            --secondary: #3f37c9;
            --dark: #212529;
            --light: #f8f9fa;
            --gray: #6c757d;
            --light-gray: #e9ecef;
            --success: #4cc9f0;
            --warning: #f8961e;
            --danger: #f72585;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Poppins', sans-serif;
            color: var(--dark);
            line-height: 1.6;
            background-color: #fff;
            overflow-x: hidden;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: 'Montserrat', sans-serif;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 1rem;
        }

        a {
            text-decoration: none;
            color: var(--primary);
            transition: all 0.3s ease;
        }

        a:hover {
            color: var(--primary-dark);
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .btn {
            display: inline-block;
            padding: 12px 24px;
            background-color: var(--primary);
            color: white;
            border: none;
            border-radius: 4px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
        }

        .btn:hover {
            background-color: var(--primary-dark);
            color: white;
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        }

        .btn-outline {
            background-color: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }

        .btn-outline:hover {
            background-color: var(--primary);
            color: white;
        }

        .section {
            padding: 80px 0;
        }

        .section-title {
            text-align: center;
            margin-bottom: 50px;
            position: relative;
        }

        .section-title h2 {
            font-size: 2.5rem;
            color: var(--dark);
            margin-bottom: 15px;
        }

        .section-title p {
            color: var(--gray);
            max-width: 700px;
            margin: 0 auto;
        }

        .section-title::after {
            content: '';
            display: block;
            width: 80px;
            height: 4px;
            background-color: var(--primary);
            margin: 20px auto;
            border-radius: 2px;
        }

        /* Header Styles */
        header {
            background-color: white;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
        }

        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            display: flex;
            align-items: center;
        }

        .logo i {
            margin-right: 10px;
            font-size: 2rem;
        }

        .nav-links {
            display: flex;
            list-style: none;
        }

        .nav-links li {
            margin-left: 30px;
        }

        .nav-links a {
            color: var(--dark);
            font-weight: 500;
        }

        .nav-links a:hover {
            color: var(--primary);
        }

        .hamburger {
            display: none;
            cursor: pointer;
        }

        .hamburger div {
            width: 25px;
            height: 3px;
            background-color: var(--dark);
            margin: 5px;
            transition: all 0.3s ease;
        }

        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, #4361ee, #3a0ca3);
            color: white;
            padding: 150px 0 100px;
            text-align: center;
        }

        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            line-height: 1.2;
        }

        .hero p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 30px;
            opacity: 0.9;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-top: 30px;
        }

        .hero-btns .btn {
            background-color: white;
            color: var(--primary);
        }

        .hero-btns .btn:hover {
            background-color: rgba(255, 255, 255, 0.9);
        }

        .hero-btns .btn-outline {
            background-color: transparent;
            color: white;
            border-color: white;
        }

        .hero-btns .btn-outline:hover {
            background-color: white;
            color: var(--primary);
        }

        /* Services Section */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }

        .service-card {
            background-color: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
        }

        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }

        .service-img {
            height: 200px;
            overflow: hidden;
        }

        .service-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .service-card:hover .service-img img {
            transform: scale(1.1);
        }

        .service-content {
            padding: 25px;
        }

        .service-content h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--dark);
        }

        .service-content ul {
            list-style: none;
            margin-bottom: 20px;
        }

        .service-content ul li {
            margin-bottom: 8px;
            position: relative;
            padding-left: 25px;
        }

        .service-content ul li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            color: var(--primary);
        }

        /* Portfolio Section */
        .portfolio {
            background-color: var(--light-gray);
        }

        .portfolio-filter {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 40px;
        }

        .filter-btn {
            padding: 8px 20px;
            background-color: white;
            border: 1px solid var(--light-gray);
            border-radius: 4px;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .filter-btn.active, .filter-btn:hover {
            background-color: var(--primary);
            color: white;
            border-color: var(--primary);
        }

        .portfolio-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
        }

        .portfolio-item {
            position: relative;
            border-radius: 8px;
            overflow: hidden;
            height: 250px;
        }

        .portfolio-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .portfolio-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(67, 97, 238, 0.9);
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .portfolio-item:hover .portfolio-overlay {
            opacity: 1;
        }

        .portfolio-item:hover .portfolio-img {
            transform: scale(1.1);
        }

        .portfolio-overlay h3 {
            color: white;
            margin-bottom: 10px;
            transform: translateY(20px);
            transition: transform 0.3s ease;
        }

        .portfolio-overlay p {
            color: rgba(255, 255, 255, 0.8);
            transform: translateY(20px);
            transition: transform 0.3s ease 0.1s;
        }

        .portfolio-item:hover .portfolio-overlay h3,
        .portfolio-item:hover .portfolio-overlay p {
            transform: translateY(0);
        }

        /* About Section */
        .about {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-img {
            position: relative;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }

        .about-img img {
            width: 100%;
            height: auto;
            display: block;
        }

        .about-content h2 {
            font-size: 2.2rem;
            margin-bottom: 20px;
        }

        .about-content p {
            margin-bottom: 20px;
            color: var(--gray);
        }

        .skills {
            margin-top: 30px;
        }

        .skill-item {
            margin-bottom: 20px;
        }

        .skill-info {
            display: flex;
            justify-content: space-between;
            margin-bottom: 8px;
        }

        .skill-bar {
            height: 8px;
            background-color: var(--light-gray);
            border-radius: 4px;
            overflow: hidden;
        }

        .skill-progress {
            height: 100%;
            background-color: var(--primary);
            border-radius: 4px;
        }

        /* Testimonials */
        .testimonials {
            background-color: var(--light);
        }

        .testimonial-slider {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
        }

        .testimonial-item {
            background-color: white;
            padding: 30px;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            text-align: center;
            margin: 20px;
        }

        .testimonial-img {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            overflow: hidden;
            margin: 0 auto 20px;
        }

        .testimonial-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .testimonial-text {
            font-style: italic;
            margin-bottom: 20px;
            color: var(--gray);
        }

        .testimonial-author {
            font-weight: 600;
        }

        .testimonial-role {
            color: var(--gray);
            font-size: 0.9rem;
        }

        /* Contact Section */
        .contact {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }

        .contact-info h3 {
            font-size: 1.5rem;
            margin-bottom: 20px;
        }

        .contact-details {
            margin-bottom: 30px;
        }

        .contact-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 20px;
        }

        .contact-icon {
            width: 40px;
            height: 40px;
            background-color: var(--light);
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            margin-right: 15px;
            color: var(--primary);
            font-size: 1.2rem;
        }

        .contact-text h4 {
            font-size: 1.1rem;
            margin-bottom: 5px;
        }

        .contact-text p {
            color: var(--gray);
        }

        .social-links {
            display: flex;
            gap: 15px;
        }

        .social-link {
            width: 40px;
            height: 40px;
            background-color: var(--light);
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            color: var(--dark);
            transition: all 0.3s ease;
        }

        .social-link:hover {
            background-color: var(--primary);
            color: white;
        }

        .contact-form .form-group {
            margin-bottom: 20px;
        }

        .contact-form input,
        .contact-form textarea {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid var(--light-gray);
            border-radius: 4px;
            font-family: 'Poppins', sans-serif;
            transition: all 0.3s ease;
        }

        .contact-form input:focus,
        .contact-form textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
        }

        .contact-form textarea {
            min-height: 150px;
            resize: vertical;
        }

        

        /* Back to Top Button */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background-color: var(--primary);
            color: white;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            font-size: 1.2rem;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 999;
        }

        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }

        .back-to-top:hover {
            background-color: var(--primary-dark);
            transform: translateY(-3px);
        }

        /* Responsive Styles */
        @media (max-width: 992px) {
            .hero h1 {
                font-size: 3rem;
            }

            .about, .contact {
                grid-template-columns: 1fr;
            }

            .about-img {
                order: -1;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                position: absolute;
                top: 80px;
                left: 0;
                width: 100%;
                background-color: white;
                flex-direction: column;
                align-items: center;
                padding: 20px 0;
                box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
                transform: translateY(-150%);
                transition: transform 0.3s ease;
            }

            .nav-links.active {
                transform: translateY(0);
            }

            .nav-links li {
                margin: 15px 0;
            }

            .hamburger {
                display: block;
            }

            .hamburger.active div:nth-child(1) {
                transform: rotate(-45deg) translate(-5px, 6px);
            }

            .hamburger.active div:nth-child(2) {
                opacity: 0;
            }

            .hamburger.active div:nth-child(3) {
                transform: rotate(45deg) translate(-5px, -6px);
            }

            .hero h1 {
                font-size: 2.5rem;
            }

            .hero p {
                font-size: 1rem;
            }

            .hero-btns {
                flex-direction: column;
                gap: 15px;
            }

            .section-title h2 {
                font-size: 2rem;
            }
        }

        @media (max-width: 576px) {
            .hero {
                padding: 120px 0 80px;
            }

            .hero h1 {
                font-size: 2rem;
            }

            .section {
                padding: 60px 0;
            }

            .section-title h2 {
                font-size: 1.8rem;
            }

            .portfolio-filter {
                flex-direction: column;
                align-items: center;
            }
        }

        /* Animation */
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .fade-in {
            animation: fadeIn 1s ease forwards;
        }