body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    background-color: #f4f7fa;
    color: #333;
    line-height: 1.6;
}

.card-container {
    display: flex;
    flex-direction: column;
    width: 90%;
    max-width: 800px;
    background-color: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    padding: 30px;
    box-sizing: border-box;
}

.profile-section {
    text-align: center;
    margin-bottom: 20px;
}

.profile-img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid #fff;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
}

.content-section {
    text-align: center;
}

.main-title {
    font-size: 2.5em;
    margin-top: 10px;
    margin-bottom: 5px;
    color: #2c3e50;
    font-weight: bold;
    font-family: PT Serif;
}

.sub-title {
    font-size: 1em;
    color: #555;
    margin-top: 5px;
    font-weight: bold;
    margin-bottom: 5px;
    font-family: Helvetica;
}

.separator {
    width: 100%;
    max-width: 100%;
    height: 1px;
    background-color: #3498db;
    border: none;
    margin: 20px auto;
}

.bio-section p {
    text-align: justify;
    margin-bottom: 15px;
}

.contact-info {
    font-weight: bold;
    color: #555;
    margin-top: 30px;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 15px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background-color: #ecf0f1;
    color: #2c3e50;
    text-decoration: none;
    transition: background-color 0.3s, transform 0.3s;
}

.social-link:hover {
    background-color: #3498db;
    color: #fff;
    transform: scale(1.1);
}

.social-link i {
    font-size: 1.5em;
}

.hashtags {
    margin-top: 25px;
    font-size: 0.9em;
    color: #95a5a6;
}

@media (min-width: 768px) {
    .card-container {
        flex-direction: row;
        text-align: left;
    }

    .profile-section {
        flex-basis: 35%;
        text-align: center;
        margin-right: 30px;
        margin-bottom: 0;
    }

    .content-section {
        flex-basis: 65%;
        text-align: left;
    }

    .main-title,
    .sub-title,
    .separator,
    .contact-info,
    .hashtags {
        text-align: left;
        margin-left: 0;
    }

    .separator {
        margin-left: 0;
    }

    .social-links {
        justify-content: flex-start;
    }
}