* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html, body {
            height: 100%;
            overflow: auto;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
            line-height: 1.6;
            color: #1f2937;
            background: linear-gradient(155deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
        }

        .container {
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            align-items: center;
            padding: 1.5rem 2rem 1.5rem;
            margin: 0 auto;
        }

        .content {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            text-align: center;
            color: white;
            width: 100%;
        }

        h1 {
            font-size: 1.8rem;
            margin-bottom: 0.6rem;
            font-weight: 700;
        }

        .bio {
            font-size: 1.2rem;
            line-height: 1.6;
            margin-bottom: 0.2rem;
            opacity: 0.95;
        }

        .experience {
            margin-top: 0.1rem;
            width: 100%;
        }

        .experience h2 {
            font-size: 1.45rem;
            margin-bottom: 0.5rem;
            opacity: 0.95;
        }

        .experience-item {
            padding: 0.4rem 0;
            margin-bottom: 0.5rem;
            text-align: center;
        }

        .experience-item h3 {
            font-size: 1.35rem;
            margin-bottom: 0.2rem;
        }

        .experience-item .company {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 0.3rem;
            opacity: 0.9;
        }

        .experience-item p {
            font-size: 1.15rem;
            line-height: 1.4;
            opacity: 0.85;
        }

        .button-container {
            display: flex;
            gap: 1rem;
            margin-top: 0.8rem;
            justify-content: center;
            align-items: center;
        }

        .coursework-btn,
        .skills-btn {
            padding: 0.6rem 1.5rem;
            background: rgba(255, 255, 255, 0.2);
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-radius: 25px;
            color: white;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .coursework-btn:hover,
        .skills-btn:hover {
            background: rgba(255, 255, 255, 0.3);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
        }

        .overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
            z-index: 1000;
            align-items: center;
            justify-content: center;
        }

        .overlay.active {
            display: flex;
        }

        .overlay-content {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
            border-radius: 15px;
            padding: 2rem;
            max-width: 900px;
            width: 90%;
            max-height: 80vh;
            overflow-y: auto;
            position: relative;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
        }

        .overlay-content::-webkit-scrollbar {
            width: 10px;
        }

        .overlay-content::-webkit-scrollbar-track {
            background: rgba(255, 255, 255, 0.1);
            border-radius: 10px;
        }

        .overlay-content::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.3);
            border-radius: 10px;
        }

        .overlay-content::-webkit-scrollbar-thumb:hover {
            background: rgba(255, 255, 255, 0.5);
        }

        .overlay-content {
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.3) rgba(255, 255, 255, 0.1);
        }

        .overlay-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1.5rem;
            color: white;
        }

        .overlay-header h2 {
            font-size: 1.8rem;
            font-weight: 700;
        }

        .close-btn {
            background: rgba(255, 255, 255, 0.2);
            border: none;
            color: white;
            font-size: 1.5rem;
            width: 35px;
            height: 35px;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }

        .close-btn:hover {
            background: rgba(255, 255, 255, 0.3);
            transform: rotate(90deg);
        }

        .coursework-list {
            list-style: none;
            color: white;
        }

        .coursework-item {
            background: rgba(255, 255, 255, 0.15);
            padding: 1rem;
            border-radius: 10px;
            margin-bottom: 1rem;
            border-left: 4px solid rgba(255, 255, 255, 0.5);
        }

        .coursework-item h3 {
            font-size: 1.2rem;
            margin-bottom: 0.3rem;
        }

        .coursework-item .course-name {
            font-size: 0.9rem;
            font-style: italic;
            opacity: 0.8;
            margin-bottom: 0.5rem;
        }

        .coursework-item p {
            font-size: 0.95rem;
            line-height: 1.5;
            opacity: 0.9;
        }

        .social-links {
            display: flex;
            justify-content: center;
            gap: 2rem;
            padding-top: 1rem;
            padding-bottom: 0.5rem;
        }

        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 50px;
            height: 50px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 50%;
            transition: all 0.3s ease;
        }

        .social-links a:hover {
            background: rgba(255, 255, 255, 0.3);
            transform: translateY(-3px);
        }

        .social-links img {
            width: 28px;
            height: 28px;
        }

        .skills-content {
            color: white;
        }

        .skills-category {
            background: rgba(255, 255, 255, 0.15);
            padding: 1rem;
            border-radius: 10px;
            margin-bottom: 1rem;
            border-left: 4px solid rgba(255, 255, 255, 0.5);
        }

        .skills-category h3 {
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
            color: white;
        }

        .skills-list {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .skills-list li {
            background: rgba(255, 255, 255, 0.2);
            padding: 0.4rem 0.8rem;
            border-radius: 15px;
            font-size: 0.9rem;
            opacity: 0.9;
        }