:root {
            --primary-color: #2c3e50;
            --secondary-color: #3498db;
            --accent-color: #e74c3c;
            --light-color: #ecf0f1;
            --dark-color: #2c3e50;
            --text-color: #333;
            --text-light: #7f8c8d;
        }
        
        body {
            font-family: 'Poppins', sans-serif;
            color: var(--text-color);
            line-height: 1.6;
            background-color: #f9f9f9;
            margin: 0;
            padding-top: 60px; /* Added for fixed top bar */
        }
        
        h1, h2, h3, h4, h5, h6 {
            font-family: 'Playfair Display', serif;
            font-weight: 600;
            color: var(--primary-color);
        }
        
        a {
            color: var(--secondary-color);
            text-decoration: none;
            transition: all 0.3s ease;
        }
        
        a:hover {
            color: var(--accent-color);
        }
        
        /* Top Bar */
        .top-bar {
            width: 100%;
            background-color: var(--primary-color);
            color: white;
            padding: 1rem 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
            position: fixed;
            top: 0;
            z-index: 1000;
        }
        
        .top-bar .contact-info a {
            color: white;
            margin-right: 1.5rem;
            font-size: 0.9rem;
        }
        
        .top-bar .contact-info i {
            margin-right: 0.5rem;
        }
        
        .top-bar .social-links a {
            color: white;
            font-size: 1.2rem;
            margin-left: 1rem;
            transition: color 0.3s ease;
        }
        
        .top-bar .social-links a:hover {
            color: var(--accent-color);
        }
        
        /* Hamburger Menu */
        .hamburger {
            font-size: 1.5rem;
            color: white;
            cursor: pointer;
            transition: color 0.3s ease;
            padding: 0.5rem;
        }
        
        .hamburger:hover {
            color: var(--accent-color);
        }
        
        /* Dropdown Menu */
        .dropdown-menu {
            display: none;
            position: absolute;
            top: 100%;
            right: 20px;
            background-color: var(--dark-color);
            border-radius: 8px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
            width: 250px;
            z-index: 1000;
            opacity: 0;
            transform: translateY(-10px);
            transition: opacity 0.3s ease, transform 0.3s ease;
        }
        
        .dropdown-menu.active {
            display: block;
            opacity: 1;
            transform: translateY(0);
        }
        
        .dropdown-menu a {
            display: block;
            padding: 1rem 1.5rem;
            color: white;
            font-size: 0.9rem;
            text-transform: uppercase;
            transition: background-color 0.3s ease;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .dropdown-menu a:last-child {
            border-bottom: none;
        }
        
        .dropdown-menu a:hover {
            background-color: var(--secondary-color);
            color: white;
        }
        
        /* Header Section */
        .header {
            background: linear-gradient(135deg, var(--primary-color), var(--dark-color));
            color: white;
            padding: 3rem 0;
            margin-bottom: 2rem;
            position: relative;
            overflow: hidden;
        }
        
        .header::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,0 L100,0 L100,100 L0,100 Z" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="2"/></svg>');
            background-size: 20px 20px;
            opacity: 0.3;
        }

        .profile_photo {
            width: 200px;
            border-radius: 20px;
            border: #95dfe6 solid 3px;
        }

        .logo {
            border-radius: 50%;
            height: 90px;
        }
        
        .name-title {
            position: relative;
            z-index: 1;
        }
        
        .name-title h1 {
            font-size: 2.5rem;
            margin-bottom: 0.5rem;
            color: white;
        }
        
        .name-title .title {
            font-size: 1.5rem;
            opacity: 0.9;
            margin-bottom: 1rem;
        }
        
        .contact-info {
            margin-top: 1.5rem;
        }
        
        .contact-info .badge {
            background-color: rgba(255, 255, 255, 0.2);
            color: white;
            padding: 0.5rem 1rem;
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
            font-weight: normal;
        }
        
        .section {
            background-color: white;
            border-radius: 8px;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
            padding: 2rem;
            margin-bottom: 2rem;
        }
        
        .section-title {
            border-bottom: 2px solid var(--light-color);
            padding-bottom: 0.75rem;
            margin-bottom: 1.5rem;
            position: relative;
        }
        
        .section-title::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100px;
            height: 2px;
            background-color: var(--secondary-color);
        }
        
        .timeline {
            position: relative;
            padding-left: 2rem;
        }
        
        .timeline::before {
            content: "";
            position: absolute;
            top: 0;
            left: 7px;
            height: 100%;
            width: 2px;
            background-color: var(--light-color);
        }
        
        .timeline-item {
            position: relative;
            padding-bottom: 1.5rem;
        }
        
        .timeline-item::before {
            content: "";
            position: absolute;
            top: 0;
            left: -2rem;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background-color: var(--secondary-color);
            border: 3px solid white;
        }
        
        .timeline-date {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-bottom: 0.5rem;
        }
        
        .timeline-title {
            font-weight: 600;
            margin-bottom: 0.5rem;
        }
        
        .timeline-company {
            font-weight: 500;
            color: var(--secondary-color);
            margin-bottom: 0.5rem;
        }
        
        .skills-list {
            list-style-type: none;
            padding-left: 0;
        }
        
        .skills-list li {
            margin-bottom: 0.75rem;
            position: relative;
            padding-left: 1.5rem;
        }
        
        .skills-list li::before {
            content: "•";
            position: absolute;
            left: 0;
            color: var(--secondary-color);
            font-weight: bold;
        }
        
        .project-card {
            border-left: 3px solid var(--secondary-color);
            padding-left: 1rem;
            margin-bottom: 1.5rem;
        }
        
        .project-title {
            font-weight: 600;
            margin-bottom: 0.25rem;
        }
        
        .project-meta {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-bottom: 0.5rem;
        }
        
        .publication-item {
            margin-bottom: 1.5rem;
        }
        
        .publication-title {
            font-weight: 600;
            margin-bottom: 0.25rem;
        }
        
        .publication-meta {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-bottom: 0.25rem;
        }
        
        .social-links {
            margin-top: 1rem;
        }
        
        .social-links a {
            display: inline-block;
            width: 40px;
            height: 40px;
            line-height: 40px;
            text-align: center;
            background-color: var(--light-color);
            color: var(--primary-color);
            border-radius: 50%;
            margin-right: 0.5rem;
            transition: all 0.3s ease;
        }
        
        .social-links a:hover {
            background-color: var(--secondary-color);
            color: white;
        }
        
        .badge-light {
            background-color: var(--light-color);
            color: var(--text-color);
        }
        
        .language-badge {
            background-color: rgba(52, 152, 219, 0.1);
            color: var(--secondary-color);
            padding: 0.35rem 0.75rem;
            border-radius: 20px;
            font-size: 0.85rem;
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
            display: inline-block;
        }
        
        .language-badge.primary {
            background-color: var(--secondary-color);
            color: white;
        }
        
        @media (max-width: 768px) {
            .top-bar {
                flex-wrap: wrap;
                padding: 1rem;
            }
            
            .top-bar .contact-info {
                display: none; /* Hide contact info on mobile */
            }
            
            .top-bar .social-links {
                margin-left: auto; /* Push social links to the right */
            }
            
            .dropdown-menu {
                width: 100%;
                right: 0;
                left: 0;
                border-radius: 0;
                box-shadow: none;
                top: 100%;
            }
            
            .dropdown-menu a {
                padding: 1.2rem 1.5rem;
                font-size: 1rem;
            }
            
            .name-title h1 {
                font-size: 2rem;
            }
            
            .name-title .title {
                font-size: 1.2rem;
            }
            
            .section {
                padding: 1.5rem;
            }
        }
        
        /* Print styles */
        @media print {
            body {
                background-color: white;
                font-size: 12pt;
                padding-top: 0;
            }
            
            .top-bar, .hamburger, .dropdown-menu {
                display: none !important;
            }
            
            .header {
                background: var(--primary-color) !important;
                -webkit-print-color-adjust: exact;
                print-color-adjust: exact;
                margin-top: 0;
            }
            
            .section {
                box-shadow: none;
                page-break-inside: avoid;
            }
            
            a[href^="http"]::after {
                content: " (" attr(href) ")";
                font-size: 0.8em;
                font-weight: normal;
                color: var(--text-light);
            }
            
            .no-print {
                display: none !important;
            }
            
            @page {
                size: A4;
                margin: 1cm;
            }
        }

        .menu-toggle {
            cursor: pointer;
            font-size: 24px;
            color: white;
            transition: all 0.3s ease;
        }
        
        .menu-toggle:hover {
            color: var(--accent-color);
        }
        
        /* Dropdown Menu */
        .dropdown-menu {
            position: absolute;
            top: 73px;
            right: 20px;
            background-color: var(--dark-color);
            border-radius: 5px;
            box-shadow: 0 5px 10px rgba(0,0,0,0.2);
            width: 250px;
            display: none;
            z-index: 1001;
        }
        
        .dropdown-menu.active {
            display: block;
            animation: fadeIn 0.3s ease-out;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(-10px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .dropdown-menu a {
            display: block;
            padding: 12px 20px;
            color: white;
            text-decoration: none;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            transition: background-color 0.3s ease;
        }
        
        .dropdown-menu a:last-child {
            border-bottom: none;
        }
        
        .dropdown-menu a:hover {
            background-color: var(--secondary-color);
        }

/* Navigation Bar */
.main-nav {
    background-color: #ffffff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
}


.desktop-nav {
    display: flex;
    gap: 30px;
}

.desktop-nav a {
    text-decoration: none;
    color: #333;
    font-size: 16px;
    font-weight: 500;
    transition: color 0.3s ease;
}

.desktop-nav a:hover {
    color: #007bff;
}

.menu-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: #333;
}

.dropdown-menu {
    display: none;
    background-color: #ffffff;
    position: absolute;
    top: 80px;
    width: 100%;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    z-index: 999;
}

.dropdown-menu a {
    display: block;
    padding: 15px 20px;
    text-decoration: none;
    color: #333;
    font-size: 16px;
    border-bottom: 1px solid #eee;
}

.dropdown-menu a:hover {
    background-color: #f8f9fa;
}

/* Responsive Design */
@media (max-width: 768px) {
    .desktop-nav {
        display: none;
    }

    .menu-toggle {
        display: block;
    }

    .dropdown-menu.active {
        display: block;
    }

    
}

@media (max-width: 480px) {
    .nav-container {
        padding: 10px 15px;
    }

    .logo {
        height: 40px;
    }

    
}