body {
    font-family: 'Open Sans', sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    color: #333;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background-color: #fff;
    padding: 20px 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
}

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    color: #333;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: #005cff;
}

section {
    padding: 10px 0;
}

h1, h2, h3 {
    margin-bottom: 15px;
}

h1 {
    font-size: 36px;
}

h2 {
    font-size: 28px;
}

h3 {
    font-size: 24px;
}

.about-content {
    display: flex;
    align-items: flex-start;
    gap: 40px;
}

.profile {
    text-align: center;
}

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

.social-links {
    margin-top: 20px;
}

.social-links a {
    display: inline-block;
    margin: 0 10px;
    color: #333;
    font-size: 34px;
    transition: color 0.3s;
}

.social-links a:hover {
    color: #005cff;
}

.publication-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 28px;
    margin-top: 28px;
}

.publication-item {
    background-color: #fff;
    padding: 18px;
    border-radius: 4px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.publication-item:hover {
    transform: translateY(-5px);
}

.publication-item h3 {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 10px;
}

.publication-item a {
    color: #005cff;
    text-decoration: none;
}

.publication-item a:hover {
    text-decoration: underline;
}

.publication-item p {
    margin-bottom: 5px;
    font-size: 16px;
}

.about-text ul li {
    margin-bottom: 20px;
}

footer {
    background-color: #f5f5f5;
    padding: 20px 0;
    text-align: center;
}

.dataset-list {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-top: 30px;
}

.dataset-item {
    width: calc(30% - 8px);
    background-color: #fff;
    padding: 15px;
    border-radius: 4px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
    margin-bottom: 20px;
}

.dataset-image {
    width: 100%;
    height: auto;
    border-radius: 4px;
    margin-bottom: 10px;
}

.dataset-details h3 {
    font-size: 18px;
    margin-bottom: 5px;
}

.dataset-details h3 i {
    margin-right: 5px;
    color: #005cff;
}

.dataset-details p {
    font-size: 12px;
    color: #777;
    margin-bottom: 10px;
}

.dataset-link {
    display: inline-block;
    background-color: #005cff;
    color: #fff;
    padding: 6px 12px;
    border-radius: 4px;
    text-decoration: none;
    transition: background-color 0.3s;
    font-size: 12px;
}

.dataset-link:hover {
    background-color: #005cff;
}

/* Media Queries */
@media screen and (max-width: 768px) {
    .container {
        padding: 0 10px;
    }

    .about-content {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }

    .profile-image {
        width: 150px;
        height: 150px;
    }

    .social-links a {
        font-size: 24px;
    }

   
    .dataset-item {
        width: calc(50% - 10px);
    }
}

@media screen and (max-width: 480px) {
    h1 {
        font-size: 28px;
    }

    h2 {
        font-size: 24px;
    }

    h3 {
        font-size: 20px;
    }

    .profile-image {
        width: 120px;
        height: 120px;
    }

    .social-links a {
        font-size: 20px;
    }

    .dataset-item {
        width: 100%;
    }
}
.career-table {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    border-collapse: separate;
    border-spacing: 0 20px;
}

.career-table td {
    vertical-align: top;
    padding: 0;
}

.career-period {
    width: 130px;
    color: #4682B4;
    padding-right: 20px !important;
}

.career-table h3 {
    margin-top: 0;
    margin-bottom: 5px;
}

.career-table p {
    margin: 5px 0;
}

/* Responsive adjustments */
@media (max-width: 600px) {
    .career-table, .career-table tbody, .career-table tr, .career-table td {
        display: block;
    }
    
    .career-table tr {
        margin-bottom: 20px;
        border-bottom: 1px solid #eee;
        padding-bottom: 20px;
    }
    
    .career-period {
        width: 100%;
        margin-bottom: 5px;
    }
}