body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

.hero-header {
    background-color: #1a237e;
    color: white;
    position: relative;
}

.header-overlay {
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
}

.top-nav-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px 20px;
}

.logo-header img {
    height: 50px;
}

.navbar a, .dropdown span {
    color: white;
    text-decoration: none;
    padding: 10px 15px;
    display: inline-block;
}

.page-content {
    background-color: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    max-width: 1200px;
    margin: 40px auto;
    line-height: 1.6;
}

.authors-info {
    text-align: center;
    margin-bottom: 40px;
    padding: 15px;
    background-color: #e0f7fa;
    border-radius: 5px;
    border: 1px solid #b2ebf2;
}

.authors-info p {
    margin: 5px 0;
    font-size: 1.1rem;
    color: #006064;
}

.page-content h2 {
    font-size: 2.5rem;
    color: #2c3e50;
    border-bottom: 2px solid #3498db;
    padding-bottom: 15px;
    margin-bottom: 30px;
}

.page-content h3 {
    font-size: 1.8rem;
    color: #007bff;
    margin-top: 40px;
    margin-bottom: 15px;
}

.page-content p {
    font-size: 1.1rem;
    margin-bottom: 20px;
    text-align: justify;
}

.page-content ul, .page-content ol {
    margin-bottom: 20px;
    margin-left: 25px;
}

.page-content li {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 25px 0;
    font-size: 0.95em;
    min-width: 400px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
    table-layout: fixed; 
}

.data-table thead tr {
    background-color: #34495e; 
    color: #ffffff;
    text-align: left;
}

.data-table th,
.data-table td {
    padding: 12px 15px;
    border: 1px solid #ddd;
    vertical-align: top;
}

.data-table td:nth-child(1) {
    width: 20%;
}

.data-table th:nth-child(2),
.data-table td:nth-child(2) {
    width: 15%;
    text-align: center;
    vertical-align: middle; 
    height: 120px;
    font-size: 0.8em;
    color: #95a5a6; 
}

.data-table img {
    width: 100%; 
    height: 100px; 
    max-height: 100px; 
    
    display: block;
    margin: 0 auto;
    object-fit: contain; 
    border-radius: 4px;
}

.data-table tbody tr:nth-of-type(even) {
    background-color: #f8f8f8;
}

.data-table tbody tr:hover {
    background-color: #e6f7ff;
}

.legal-list, .importance-list {
    list-style-type: square;
    padding-left: 20px;
}

.references-section {
    border-top: 2px solid #2c3e50;
    padding-top: 20px;
    margin-top: 40px;
}

.references-section h2 {
    color: #2c3e50;
    border-bottom: none;
}

.references-list {
    list-style-type: none;
    padding-left: 0;
    font-size: 0.95rem;
}

.references-list li {
    margin-bottom: 15px;
    text-indent: -20px;
    padding-left: 20px;
}

footer {
    text-align: center;
    padding: 20px;
    background-color: #34495e;
    color: white;
    margin-top: 20px;
}