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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.6;
            color: #333;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            padding: 1rem;
        }

        main {
            max-width: 800px;
            margin: 2rem auto;
            padding: 0 1rem;
        }

        .profile-card {
            background: white;
            border-radius: 16px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
            padding: 2rem;
            animation: fadeIn 0.6s ease-in;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        header {
            text-align: center;
            margin-bottom: 2rem;
            padding-bottom: 1.5rem;
            border-bottom: 3px solid #667eea;
        }

        h1 {
            font-size: clamp(1.8rem, 5vw, 2.5rem);
            color: #667eea;
            margin-bottom: 0.5rem;
        }

        section {
            margin-bottom: 2rem;
            padding: 1.5rem;
            background: linear-gradient(to right, #f8f9fa, #ffffff);
            border-radius: 12px;
            /* border-left: 4px solid #667eea; */
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        section:hover {
            transform: translateX(5px);
            box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
        }

        h2 {
            color: #667eea;
            font-size: clamp(1.3rem, 4vw, 1.6rem);
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

 

        h3 {
            color: #764ba2;
            font-size: 1.2rem;
            margin: 1.5rem 0 1rem;
        }

        p {
            color: #555;
            font-size: clamp(0.95rem, 2vw, 1.05rem);
            line-height: 1.8;
            text-align: justify;
        }

        ul {
            list-style: none;
            padding: 0;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
            gap: 0.75rem;
            margin-top: 1rem;
        }

        li {
            background: linear-gradient(135deg, #667eea, #764ba2);
            color: white;
            padding: 0.75rem 1rem;
            border-radius: 8px;
            text-align: center;
            font-weight: 500;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            cursor: default;
        }

        li:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(102, 126, 234, 0.4);
        }

        nav {
            text-align: center;
            margin-top: 2rem;
        }

        .btn {
            display: inline-block;
            padding: 0.9rem 2rem;
            background: linear-gradient(135deg, #667eea, #764ba2);
            color: white;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
        }

        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
        }

        .btn:active {
            transform: translateY(0);
        }

        /* Tablet styles */
        @media (min-width: 768px) {
            .profile-card {
                padding: 3rem;
            }

            section {
                padding: 2rem;
            }

            ul {
                grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            }
        }

        /* Desktop styles */
        @media (min-width: 1024px) {
            main {
                margin: 3rem auto;
            }

            .profile-card {
                padding: 3.5rem;
            }

            ul {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        /* Mobile optimization */
        @media (max-width: 480px) {
            body {
                padding: 0.5rem;
            }

            main {
                margin: 1rem auto;
            }

            .profile-card {
                padding: 1.5rem;
            }

            section {
                padding: 1rem;
            }

            ul {
                grid-template-columns: 1fr;
            }

            li {
                padding: 0.8rem;
            }
        }