body {
        background: linear-gradient(135deg, #667eea, #764ba2);
        display: flex;
        justify-content: center;
        align-items: center;
        min-height: 100vh;
        font-family: 'Arial', sans-serif;
        padding: 1rem;
        }

        .profile-card {
        background: #fff;
        padding: 2.5rem 2rem;
        border-radius: 1.5rem;
        box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
        text-align: center;
        width: 100%;
        max-width: 420px;
        transition: transform 0.3s;
        }

        .profile-card:hover {
        transform: translateY(-5px);
        }

        .profile-img {
        width: 100px;
        height: 100px;
        border-radius: 50%;
        border: 3px solid #764ba2;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        margin-bottom: 1rem;
        object-fit: cover;
        }

        .profile-name {
        font-size: 1.7rem;
        font-weight: bold;
        margin-bottom: 0.3rem;
        }

        .profile-desc {
        font-size: 0.95rem;
        color: #6c757d;
        margin-bottom: 1.8rem;
        }

        .link-btn {
        width: 100%;
        margin-bottom: 0.8rem;
        padding: 0.85rem;
        font-weight: 500;
        border-radius: 0.75rem;
        transition: all 0.2s;
        border: none;
        color: #fff;
        background: linear-gradient(90deg, #667eea, #764ba2);
        box-shadow: 0 5px 15px rgba(118, 75, 162, 0.4);
        }

        .link-btn:hover {
        transform: scale(1.05);
        box-shadow: 0 8px 25px rgba(118, 75, 162, 0.5);
        }

        .social-links a {
        margin: 0 0.5rem;
        color: #764ba2;
        font-size: 1.2rem;
        transition: color 0.2s, transform 0.2s;
        }

        .social-links a:hover {
        color: #667eea;
        transform: scale(1.2);
        }

        footer {
        font-size: 0.8rem;
        color: #6c757d;
        margin-top: 1.5rem;
        }

        .back-btn {
        position: fixed;
        top: 3rem;
        left: 1.5rem;
        background: rgba(0, 0, 0, 0.6);
        color: #fff;
        padding: 0.4rem 0.8rem;
        border-radius: 0.5rem;
        font-size: 0.9rem;
        text-decoration: none;
        display: flex;
        align-items: center;
        gap: 0.3rem;
        transition: background 0.2s, transform 0.2s;
        z-index: 1000;
        }

        .back-btn:hover {
        background: rgba(0, 0, 0, 0.8);
        transform: scale(1.05);
        }