* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        :root {
            --primary: #000000;
            --secondary: #333333;
            --dark: #000000;
            --light: #ffffff;
            --gray: #666666;
            --bg-primary: #ffffff;
            --bg-secondary: #f8f9fa;
            --bg-card: #ffffff;
            --text-main: #000000;
            --text-secondary: #666666;
            --border-color: #dddddd;
            --toggle-icon: "\f186";
            /* Moon icon */
            --footer-bg: #000000;
            --footer-text: #ffffff;
        }

        [data-theme="dark"] {
            --primary: #ffffff;
            --secondary: #cccccc;
            --dark: #ffffff;
            --light: #000000;
            --gray: #aaaaaa;
            --bg-primary: #121212;
            --bg-secondary: #1e1e1e;
            --bg-card: #2a2a2a;
            --text-main: #ffffff;
            --text-secondary: #bbbbbb;
            --border-color: #444444;
            --toggle-icon: "\f185";
            /* Sun icon */
            --footer-bg: #000000;
            --footer-text: #ffffff;
        }

        body {
            background-color: var(--bg-primary);
            color: var(--text-main);
            line-height: 1.6;
            overflow-x: hidden;
            transition: background-color 0.3s, color 0.3s;
        }

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

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

        /* Header & Navigation */
        header {
            background-color: var(--bg-card);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
        }

        /* Custom Logo Design */
        .logo {
            display: flex;
            height: 40px;
            width: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            border-radius: 50%;
            background: black;
            color: white;
            font-weight: bold;
            font-size: 1.2rem;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s ease;
        }

        .logo:hover {
            transform: scale(1.05);
        }

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

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

        .nav-links a {
            text-decoration: none;
            color: var(--text-main);
            font-weight: 500;
            transition: color 0.3s;
        }

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

        .menu-toggle {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--text-main);
        }

        /* Hero Section */
        .hero {
            padding: 100px 0;
            min-height: 90vh;
            min-height: 90vh;
            background: var(--bg-primary);
            display: flex;
            align-items: center;
        }

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

        .hero-content {
            flex: 1;
            padding-right: 50px;
        }

        .hero h1 {
            font-size: 3rem;
            margin-bottom: 20px;
            color: var(--dark);
        }

        .hero p {
            font-size: 1.5rem;
            margin-bottom: 30px;
            color: var(--gray);
        }

        .btn {
            display: inline-block;
            background-color: var(--primary);
            color: var(--bg-primary);
            padding: 12px 30px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 600;
            transition: transform 0.3s, box-shadow 0.3s;
            margin-top: auto;
            text-align: center;
        }

        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
            background-color: var(--secondary);
        }

        .hero-image {
            flex: 1;
            text-align: center;
            position: relative;
            display: flex;
            justify-content: flex-end;
        }

        .developer-img {
            width: 100%;
            max-width: 500px;
            border-radius: 10px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
            transition: transform 0.5s;
            animation: float 6s ease-in-out infinite;
        }

        .developer-img:hover {
            transform: scale(1.03);
        }

        @keyframes float {
            0% {
                transform: translateY(0px);
            }

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

            100% {
                transform: translateY(0px);
            }
        }

        @keyframes slideInLeft {
            from {
                opacity: 0;
                transform: translateX(-50px);
            }

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

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

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

        /* About Section */
        .about {
            padding: 100px 0;
            background-color: var(--bg-card);
        }

        .section-title {
            text-align: center;
            margin-bottom: 50px;
            font-size: 2.5rem;
            color: var(--dark);
        }

        .about-content {
            display: flex;
            align-items: center;
            gap: 50px;
        }

        .about-text {
            flex: 1;
        }

        .about-text h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: var(--primary);
        }

        .about-text p {
            color: var(--gray);
            margin-bottom: 20px;
        }

        .about-image {
            flex: 1;
            text-align: center;
        }

        .about-image img {
            max-width: 100%;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }

        /* Skills Section */
        .skills {
            padding: 100px 0;
            background-color: var(--bg-secondary);
        }

        .skills-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
        }

        .skill-card {
            background-color: var(--bg-card);
            padding: 30px;
            border-radius: 10px;
            text-align: center;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s;
        }

        .skill-card:hover {
            transform: translateY(-10px);
        }

        .skill-card i {
            font-size: 3rem;
            color: var(--primary);
            margin-bottom: 15px;
        }

        .skill-card h3 {
            font-size: 1.5rem;
            margin-bottom: 10px;
        }

        /* Projects Section */
        .projects {
            padding: 100px 0;
            background-color: var(--bg-card);
        }

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

        .project-card {
            background-color: var(--bg-card);
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s;
            display: flex;
            flex-direction: column;
        }

        .project-card:hover {
            transform: translateY(-10px);
        }

        .project-img {
            height: 200px;
            background-color: #e9ecef;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gray);
            font-size: 1.2rem;
            overflow: hidden;
        }

        .project-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }

        .project-card:hover .project-img img {
            transform: scale(1.1);
        }

        .project-content {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .project-content h3 {
            font-size: 1.5rem;
            margin-bottom: 10px;
            color: var(--dark);
        }

        .project-content p {
            color: var(--gray);
            margin-bottom: 15px;
        }

        /* Testimonials Section */
        .testimonials {
            padding: 100px 0;
            background-color: var(--bg-secondary);
        }

        .testimonial-card {
            background-color: var(--bg-card);
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }

        .testimonial-card p {
            font-size: 1.2rem;
            font-style: italic;
            margin-bottom: 20px;
            color: var(--gray);
        }

        .testimonial-card h4 {
            font-size: 1.2rem;
            color: var(--dark);
        }

        .testimonial-card span {
            color: var(--gray);
        }

        /* Contact Section */
        .contact {
            padding: 100px 0;
            background-color: var(--bg-card);
        }

        .contact-form {
            max-width: 600px;
            margin: 0 auto;
            background-color: var(--bg-secondary);
            padding: 40px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
        }

        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-size: 1rem;
        }

        .form-actions {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 30px;
        }

        .sign-in-link {
            color: var(--primary);
            text-decoration: none;
            font-weight: 500;
        }

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

        .footer-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
        }

        .footer-logo {
            display: flex;
            height: 50px;
            width: 50px;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            border-radius: 50%;
            border-radius: 50%;
            background: var(--footer-bg);
            color: var(--footer-text);
            font-weight: bold;
            font-size: 1.5rem;
        }

        .social-links {
            display: flex;
            gap: 20px;
        }

        .social-links a {
            color: var(--footer-text);
            font-size: 1.5rem;
            transition: color 0.3s;
        }

        .social-links a:hover {
            color: #007bff;
        }

        .copyright {
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.7);
        }

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

            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--bg-card);
                box-shadow: 0 10px 10px rgba(0, 0, 0, 0.1);
                padding: 20px;
                z-index: 1000;
            }

            .nav-links.active {
                display: flex;
            }

            .nav-links li:hover {
                transform: translateY(-10px);
            }

            .nav-links li {
                margin: 10px 0;
            }

            .hero {
                text-align: center;
            }

            .hero .container {
                flex-direction: column;
            }

            .hero-content {
                padding-right: 0;
                margin-bottom: 50px;
                width: 100%;
            }

            .hero-image {
                justify-content: center;
                width: 100%;
            }

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

            .hero p {
                font-size: 1.2rem;
            }

            .about-content {
                flex-direction: column;
            }

            .footer-content {
                flex-direction: column;
                gap: 20px;
            }
        }