/* Root Variables */
        :root {
            --primary-color: #3498db;
            --secondary-color: #2c3e50;
            --accent-color: #e74c3c;
            --text-color: #333;
            --light-color: #f4f4f4;
            --dark-color: #2c3e50;
            --success-color: #2ecc71;
            --font-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        /* Reset and Base Styles */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: var(--font-main);
            line-height: 1.6;
            color: var(--text-color);
            background-color: #f9f9f9;
        }

        a {
            text-decoration: none;
            color: var(--primary-color);
            transition: all 0.3s ease;
        }

        a:hover {
            color: var(--accent-color);
        }

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

        .btn {
            display: inline-block;
            background: var(--primary-color);
            color: white;
            padding: 12px 24px;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-weight: 600;
        }

        .btn:hover {
            background: #2980b9;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }

        .btn-secondary {
            background: var(--secondary-color);
        }

        .btn-secondary:hover {
            background: #1a252f;
        }

        /* Header & Navigation */
        header {
            background-color: var(--dark-color);
            color: white;
            padding: 20px 0;
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: white;
        }

        .logo span {
            color: var(--primary-color);
        }

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

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

        .nav-links a {
            color: white;
            font-weight: 600;
            position: relative;
        }

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

        .nav-links a:hover::after {
            width: 100%;
        }

        /* Hero Section */
        .hero {
            background: linear-gradient(rgba(44, 62, 80, 0.8), rgba(44, 62, 80, 0.8)), url('/api/placeholder/1200/600') center/cover no-repeat;
            color: white;
            height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            text-align: center;
            padding-top: 80px;
        }

        .hero-content {
            max-width: 800px;
        }

        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
        }

        .hero h2 {
            font-size: 1.8rem;
            margin-bottom: 30px;
            font-weight: 400;
        }

        .hero-btns {
            margin-top: 30px;
        }

        .hero-btns .btn {
            margin: 0 10px;
        }

        /* About Section */
        .about {
            padding: 100px 0;
        }

        .section-title {
            text-align: center;
            margin-bottom: 50px;
            font-size: 2.5rem;
            position: relative;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background-color: var(--primary-color);
        }

        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-image {
            overflow: hidden;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }

        .about-image img {
            width: 100%;
            height: auto;
            transition: transform 0.5s ease;
        }

        .about-image img:hover {
            transform: scale(1.05);
        }

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

        .about-text p {
            margin-bottom: 20px;
            font-size: 1.1rem;
        }

        /* Skills Section */
        .skills {
            padding: 100px 0;
            background-color: #f5f5f5;
        }

        .skills-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }

        .skills-category h3 {
            font-size: 1.8rem;
            margin-bottom: 30px;
            color: var(--secondary-color);
        }

        .skill-item {
            margin-bottom: 30px;
        }

        .skill-info {
            display: flex;
            justify-content: space-between;
            margin-bottom: 10px;
        }

        .skill-bar {
            width: 100%;
            height: 10px;
            background-color: #ddd;
            border-radius: 5px;
            overflow: hidden;
        }

        .skill-progress {
            height: 100%;
            background-color: var(--primary-color);
            border-radius: 5px;
        }

        .progress-90 {
            width: 90%;
        }

        .progress-85 {
            width: 85%;
        }

        .progress-80 {
            width: 80%;
        }

        .progress-75 {
            width: 75%;
        }

        .progress-70 {
            width: 70%;
        }

        /* Education Section */
        .education {
            padding: 100px 0;
        }

        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }

        .timeline::after {
            content: '';
            position: absolute;
            width: 4px;
            background-color: var(--primary-color);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -2px;
        }

        .timeline-item {
            padding: 10px 40px;
            position: relative;
            width: 50%;
            box-sizing: border-box;
        }

        .timeline-item::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            background-color: white;
            border: 4px solid var(--primary-color);
            border-radius: 50%;
            top: 15px;
            z-index: 1;
        }

        .left {
            left: 0;
        }

        .right {
            left: 50%;
        }

        .left::after {
            right: -10px;
        }

        .right::after {
            left: -10px;
        }

        .timeline-content {
            padding: 20px;
            background-color: white;
            border-radius: 6px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }

        .timeline-content h3 {
            margin-bottom: 10px;
            color: var(--secondary-color);
        }

        .timeline-content .date {
            color: var(--primary-color);
            font-weight: 600;
            margin-bottom: 15px;
            display: block;
        }

        .download-cv {
            text-align: center;
            margin-top: 50px;
        }

        /* Experience Section */
        .experience {
            padding: 100px 0;
            background-color: #f5f5f5;
        }

        .experience-item {
            margin-bottom: 50px;
            background-color: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            padding: 30px;
            transition: transform 0.3s ease;
        }

        .experience-item:hover {
            transform: translateY(-5px);
        }

        .experience-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 20px;
        }

        .experience-title {
            font-size: 1.5rem;
            color: var(--secondary-color);
        }

        .experience-company {
            font-weight: 600;
            color: var(--primary-color);
            margin-bottom: 10px;
        }

        .experience-date {
            color: #777;
        }

        .experience-description ul {
            list-style-type: disc;
            padding-left: 20px;
        }

        .experience-description li {
            margin-bottom: 10px;
        }

        /* Projects Section */
        .projects {
            padding: 100px 0;
        }

        .projects-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 30px;
        }

        .project-card {
            background-color: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s ease;
        }

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

        .project-image {
            height: 200px;
            overflow: hidden;
        }

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

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

        .project-info {
            padding: 20px;
        }

        .project-title {
            font-size: 1.5rem;
            margin-bottom: 10px;
            color: var(--secondary-color);
        }

        .project-category {
            color: var(--primary-color);
            font-weight: 600;
            margin-bottom: 15px;
            display: block;
        }

        .project-description {
            margin-bottom: 20px;
        }

        .project-tags {
            display: flex;
            flex-wrap: wrap;
            margin-top: 15px;
        }

        .tag {
            background-color: #f0f0f0;
            padding: 5px 10px;
            border-radius: 3px;
            margin-right: 10px;
            margin-bottom: 10px;
            font-size: 0.9rem;
        }

        /* Interests Section */
        .interests {
            padding: 100px 0;
            background-color: #f5f5f5;
        }

        .interests-container {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .interest-item {
            background-color: white;
            border-radius: 10px;
            padding: 30px;
            text-align: center;
            transition: transform 0.3s ease;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }

        .interest-item:hover {
            transform: translateY(-10px);
        }

        .interest-icon {
            font-size: 3rem;
            color: var(--primary-color);
            margin-bottom: 20px;
        }

        .interest-title {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--secondary-color);
        }

        /* Contact Section */
        .contact {
            padding: 100px 0;
        }

        .contact-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }

        .contact-info h3 {
            font-size: 1.8rem;
            margin-bottom: 30px;
            color: var(--secondary-color);
        }

        .contact-details {
            margin-bottom: 30px;
        }

        .contact-item {
            display: flex;
            align-items: center;
            margin-bottom: 20px;
        }

        .contact-icon {
            font-size: 1.5rem;
            color: var(--primary-color);
            margin-right: 15px;
        }

        .contact-form {
            background-color: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }

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

        .form-group label {
            display: block;
            margin-bottom: 5px;
            font-weight: 600;
        }

        .form-control {
            width: 100%;
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-size: 1rem;
            transition: border-color 0.3s ease;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary-color);
        }

        textarea.form-control {
            resize: vertical;
            min-height: 150px;
        }

        .form-btn {
            width: 100%;
            padding: 15px;
        }

        /* Footer */
        footer {
            background-color: var(--dark-color);
            color: white;
            padding: 50px 0 20px;
        }

        .footer-container {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-bottom: 30px;
        }

        .footer-section h3 {
            font-size: 1.5rem;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-section h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 2px;
            background-color: var(--primary-color);
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: #bbb;
            transition: color 0.3s ease;
        }

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

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

        .social-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background-color: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            margin-right: 10px;
            transition: all 0.3s ease;
        }

        .social-icon:hover {
            background-color: var(--primary-color);
            transform: translateY(-5px);
        }

        .social-icon i {
            color: white;
            font-size: 1.2rem;
        }

        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #bbb;
        }

        /* Icons */
        .material-icons {
            font-family: 'Material Icons';
            font-weight: normal;
            font-style: normal;
            font-size: 24px;
            line-height: 1;
            letter-spacing: normal;
            text-transform: none;
            display: inline-block;
            white-space: nowrap;
            word-wrap: normal;
            direction: ltr;
            -webkit-font-smoothing: antialiased;
        }

        /* Responsive Design */
        @media (max-width: 992px) {
            .about-content,
            .skills-container,
            .contact-container,
            .footer-container {
                grid-template-columns: 1fr;
            }

            .about-image {
                margin-bottom: 30px;
            }

            .interests-container {
                grid-template-columns: repeat(2, 1fr);
            }

            .timeline::after {
                left: 31px;
            }

            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }

            .timeline-item::after {
                left: 15px;
            }

            .right {
                left: 0;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

            .projects-grid {
                grid-template-columns: 1fr;
            }

            .interests-container {
                grid-template-columns: 1fr;
            }

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

            .hero h2 {
                font-size: 1.5rem;
            }
        }