.back-btn {
    display: inline-block;
    margin: 20px;
    padding: 10px 20px;
    font-size: 18px;
    font-weight: bold;
    background: none;       /* no background mask */
    border: none;           /* no border */
    color: #fff;            /* white text for visibility */
    cursor: pointer;
}

.back-btn:hover {
    text-decoration: underline; /* subtle hover effect */
}

.profile-card {
    width: 550px;
    margin: 60px 0 0 100px;
    border-radius: 20px;
    padding: 25px;
    background: transparent;
}

.profile-header {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.profile-header img {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: 20px;
}

.profile-info h2 {
    margin: 0;
    color: #fff;
    font-size: 26px;
}

.profile-info h4 {
    margin: 5px 0;
    color: #ffd700;
    font-weight: bold;
    font-size: 18px;
}

.profile-info p.email {
    margin: 5px 0 0;
    color: #00ffff;
    font-weight: bold;
}

.profile-description {
    margin-top: 15px;
    color: #fff;
    line-height: 1.6;
    font-style: italic;
    text-align: justify;
    font-size: 22px;
}

/* 📱 Responsive adjustments */
@media (max-width: 768px) {
    .profile-card {
        width: 90%;
        margin: 30px auto;
        padding: 15px;
    }
    .profile-header {
        flex-direction: column;
        text-align: center;
    }
    .profile-header img {
        margin: 0 0 15px 0;
    }
    .profile-info h2 { font-size: 22px; }
    .profile-info h4 { font-size: 16px; }
    .profile-info p.email { font-size: 14px; }
    .profile-description {
        font-size: 20px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .profile-card {
        width: 95%;
        margin: 20px auto;
        padding: 10px;
    }
    .profile-info h2 { font-size: 20px; }
    .profile-info h4 { font-size: 20px; }
    .profile-description { font-size: 20px; }
}