:root {
            --primary: #3a86ff;
            --primary-dark: #2667cc;
            --secondary: #8338ec;
            --dark: #1a1a2e;
            --light: #f8f9fa;
            --gray: #6c757d;
            --success: #06d6a0;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Inter', sans-serif;
            color: var(--dark);
            overflow-x: hidden;
            background-color: var(--light);
        }
        
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            line-height: 1.2;
        }
        
        .display-1 {
            font-size: clamp(2.5rem, 5vw, 4.5rem);
        }
        
        .display-2 {
            font-size: clamp(2rem, 4vw, 3.5rem);
        }
        
        .display-3 {
            font-size: clamp(1.75rem, 3.5vw, 2.5rem);
        }
        
        section {
            padding: 5rem 0;
        }
        
        .bg-dark {
            background-color: var(--dark) !important;
        }
        
        .text-primary {
            color: var(--primary) !important;
        }
        
        .btn-primary {
            background-color: var(--primary);
            border-color: var(--primary);
            padding: 0.75rem 1.5rem;
            font-weight: 600;
        }
        
        .btn-primary:hover {
            background-color: var(--primary-dark);
            border-color: var(--primary-dark);
        }
        
        .btn-outline-primary {
            color: var(--primary);
            border-color: var(--primary);
        }
        
        .btn-outline-primary:hover {
            background-color: var(--primary);
            border-color: var(--primary);
        }
        
        /* Preloader */
        #preloader {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: var(--dark);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 9999;
            transition: opacity 0.5s ease;
        }
        
        .loader {
            width: 80px;
            height: 80px;
            position: relative;
        }
        
        .loader-inner {
            position: absolute;
            border: 4px solid var(--primary);
            border-radius: 50%;
            border-top: 4px solid transparent;
            width: 100%;
            height: 100%;
            animation: spin 1s linear infinite;
        }
        
        .loader-logo {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 40px;
            height: 40px;
            border-radius: 8px;
            display: flex;
            justify-content: center;
            align-items: center;
            font-weight: 800;
            color: white;
            font-size: 1.2rem;
        }
        
        .loader-logo img{
            width: 100%;
            height: 100%;
        }
        
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        
        /* Navigation */
        .navbar {
            padding: 1.5rem 0;
            transition: all 0.3s ease;
        }
        
        .navbar-scrolled {
            background-color: rgba(26, 26, 46, 0.95);
            backdrop-filter: blur(10px);
            padding: 1rem 0;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
        }
        
        .navbar-brand {
            font-weight: 800;
            font-size: 1.5rem;
            display: flex;
            align-items: center;
        }
        
        .logo-text {
            margin-left: 0.5rem;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        
        .nav-link {
            font-weight: 500;
            margin: 0 0.5rem;
            transition: color 0.3s ease;
        }
        
        .nav-link:hover {
            color: var(--primary) !important;
        }
        
        /* Hero Section */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            background: linear-gradient(135deg, var(--dark) 0%, #16213e 100%);
            color: white;
        }
        
        .hero-content {
            position: relative;
            z-index: 2;
        }
        
        .hero-bg {
            position: absolute;
            top: 0;
            right: 0;
            width: 50%;
            height: 100%;
            background: url('https://images.unsplash.com/photo-1555066931-4365d14bab8c?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1170&q=80') no-repeat center center;
            background-size: cover;
            opacity: 0.2;
        }
        
        .hero-bg::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, var(--dark) 0%, transparent 100%);
        }
        
        .hero-badge {
            display: inline-block;
            background: rgba(58, 134, 255, 0.2);
            color: var(--primary);
            padding: 0.5rem 1rem;
            border-radius: 50px;
            font-weight: 600;
            margin-bottom: 1.5rem;
            border: 1px solid rgba(58, 134, 255, 0.3);
        }
        
        .hero-title {
            margin-bottom: 1.5rem;
        }
        
        .hero-description {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            opacity: 0.9;
            max-width: 600px;
        }
        
        /* Skills Section */
        .skills {
            background-color: white;
        }
        
        .section-title {
            margin-bottom: 3rem;
            text-align: center;
        }
        
        .skill-card {
            background: white;
            border-radius: 12px;
            padding: 2rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
            border: 1px solid rgba(0, 0, 0, 0.05);
        }
        
        .skill-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
        }
        
        .skill-icon {
            width: 60px;
            height: 60px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            font-size: 1.5rem;
            color: white;
        }
        
        .skill-icon.java {
            background: linear-gradient(135deg, #ed8b00, #f8981d);
        }
        
        .skill-icon.python {
            background: linear-gradient(135deg, #3776ab, #4b8bbe);
        }
        
        .skill-icon.php {
            background: linear-gradient(135deg, #777bb3, #8993be);
        }
        
        .skill-icon.cpp {
            background: linear-gradient(135deg, #00599c, #004482);
        }
        
        .skill-icon.frontend {
            background: linear-gradient(135deg, #e44d26, #f16529);
        }
        
        .skill-icon.backend {
            background: linear-gradient(135deg, #339933, #5cb85c);
        }
        
        .skill-icon.repair {
            background: linear-gradient(135deg, #6f42c1, #8c68cd);
        }
        
        .skill-name {
            font-weight: 600;
            margin-bottom: 0.5rem;
        }
        
        .skill-description {
            color: var(--gray);
            font-size: 0.9rem;
        }
        
        /* Why Me Section */
        .why-me {
            background-color: var(--light);
        }
        
        .feature-card {
            background: white;
            border-radius: 12px;
            padding: 2rem;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s ease;
            height: 100%;
            border-left: 4px solid var(--primary);
        }
        
        .feature-card:hover {
            transform: translateY(-5px);
        }
        
        .feature-number {
            font-size: 3rem;
            font-weight: 800;
            color: rgba(0, 0, 0, 0.05);
            line-height: 1;
            margin-bottom: 1rem;
        }
        
        .feature-title {
            font-weight: 600;
            margin-bottom: 1rem;
        }
        
        /* Portfolio Section */
        .portfolio-item {
            position: relative;
            border-radius: 12px;
            overflow: hidden;
            margin-bottom: 2rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s ease;
        }
        
        .portfolio-item:hover {
            transform: translateY(-10px);
        }
        
        .portfolio-img {
            width: 100%;
            height: 300px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .portfolio-item:hover .portfolio-img {
            transform: scale(1.05);
        }
        
        .portfolio-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            padding: 2rem;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
            color: white;
            transform: translateY(20px);
            opacity: 0;
            transition: all 0.3s ease;
        }
        
        .portfolio-item:hover .portfolio-overlay {
            transform: translateY(0);
            opacity: 1;
        }
        
        .portfolio-title {
            font-weight: 600;
            margin-bottom: 0.5rem;
        }
        
        .portfolio-category {
            font-size: 0.9rem;
            opacity: 0.8;
            margin-bottom: 1rem;
        }
        
        /* Repair Services Section */
        .repair-services {
            background: linear-gradient(135deg, var(--dark) 0%, #16213e 100%);
            color: white;
        }
        
        .service-card {
            background: rgba(255, 255, 255, 0.05);
            border-radius: 12px;
            padding: 2rem;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: transform 0.3s ease, background 0.3s ease;
            height: 100%;
        }
        
        .service-card:hover {
            transform: translateY(-5px);
            background: rgba(255, 255, 255, 0.1);
        }
        
        .service-icon {
            width: 60px;
            height: 60px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            font-size: 1.5rem;
            background: rgba(255, 255, 255, 0.1);
            color: var(--primary);
        }
        
        /* Testimonials */
        .testimonial-card {
            background: white;
            border-radius: 12px;
            padding: 2rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            margin: 1rem;
        }
        
        .testimonial-text {
            font-style: italic;
            margin-bottom: 1.5rem;
            position: relative;
        }
        
        .testimonial-text::before {
            content: "";
            font-size: 4rem;
            position: absolute;
            top: -1.5rem;
            left: -1rem;
            color: rgba(0, 0, 0, 0.05);
            font-family: Georgia, serif;
        }
        
        .testimonial-author {
            display: flex;
            align-items: center;
        }
        
        .author-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            margin-right: 1rem;
            object-fit: cover;
        }
        
        /* Contact Section */
        .contact {
            background-color: white;
        }
        
        .contact-form {
            background: var(--light);
            border-radius: 12px;
            padding: 2rem;
        }
        
        .form-control {
            padding: 0.75rem 1rem;
            border: 1px solid rgba(0, 0, 0, 0.1);
            border-radius: 8px;
            margin-bottom: 1.5rem;
            transition: all 0.3s ease;
        }
        
        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 0.2rem rgba(58, 134, 255, 0.25);
        }
        
        /* Footer */
        footer {
            background-color: var(--dark);
            color: white;
            padding: 3rem 0 1.5rem;
        }
        
        .footer-logo {
            font-weight: 800;
            font-size: 1.5rem;
            margin-bottom: 1rem;
        }
        
        .social-links {
            display: flex;
            margin-top: 1.5rem;
        }
        
        .social-link {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 0.5rem;
            transition: all 0.3s ease;
        }
        
        .social-link:hover {
            background: var(--primary);
            transform: translateY(-3px);
        }
        
        .footer-links {
            list-style: none;
            padding: 0;
        }
        
        .footer-links li {
            margin-bottom: 0.5rem;
        }
        
        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        
        .footer-links a:hover {
            color: white;
        }
        
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.5rem;
            margin-top: 3rem;
            text-align: center;
            color: rgba(255, 255, 255, 0.5);
        }
        
        /* Animations */
        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.5s ease, transform 0.5s ease;
        }
        
        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        /* Responsive */
        @media (max-width: 768px) {
            section {
                padding: 3rem 0;
            }
            
            .hero {
                text-align: center;
            }
            
            .hero-bg {
                width: 100%;
                opacity: 0.1;
            }
            
            .hero-bg::after {
                background: linear-gradient(transparent, var(--dark) 90%);
            }
        }