:root {
    --primary-color: #084263;
    --secondary-color: #0d344a;
    --accent-color: #4ecdc4;
    --text-color: #333;
    --background-color: #f4f6f7;
    --white-color: #ffffff;
    --hover-color: #e0e0e0;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --transition-speed: 0.3s;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    background-color: var(--background-color);
    color: var(--text-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.main-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 10px 5%;
    background-color: var(--primary-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 6px var(--shadow-color);
    transition: all var(--transition-speed) ease;
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 150px;
    height: 60px;
    overflow: hidden;
    margin-bottom: 10px;
}

.logo {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    object-position: center;
    transition: transform var(--transition-speed) ease;
}

.logo:hover {
    transform: scale(1.05);
}

.main-nav {
    width: 100%;
}

.nav-links {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 15px;
    width: 100%;
    align-items: center;
    flex-wrap: wrap;
}

.nav-links a {
    text-decoration: none;
    color: var(--white-color);
    transition: all var(--transition-speed) ease;
    padding: 8px 12px;
    border-radius: var(--border-radius);
    position: relative;
    overflow: hidden;
}

.nav-links a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--accent-color);
    transform: scaleX(0);
    transition: transform var(--transition-speed) ease;
}

.nav-links a:hover::before {
    transform: scaleX(1);
}

.nav-links a:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    box-shadow: 0 4px 6px var(--shadow-color);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.data-table thead th {
    text-align: center;
    font-size: 18px;
    padding: 15px;
    background-color: var(--primary-color);
    color: var(--white-color);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.data-table tbody tr:nth-child(even) {
    background-color: #f9f9f9;
}

.iframe-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px;
    position: relative;
}

.iframe-container iframe {
    width: 100%;
    max-width: 100%;
    height: 400px;
    border: none;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px var(--shadow-color);
}

.main-footer {
    background-color: var(--primary-color);
    color: var(--white-color);
    text-align: center;
    padding: 20px;
    margin-top: 20px;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 15px;
}

.social-icon {
    color: var(--white-color);
    text-decoration: none;
    transition: color var(--transition-speed) ease;
    font-size: 24px;
}

.social-icon:hover {
    color: var(--hover-color);
    transform: scale(1.1);
}

.data-section h1 {
    text-align: center;
    margin-bottom: 20px;
    color: var(--primary-color);
    font-size: 24px;
    padding: 10px;
    border-bottom: 3px solid var(--primary-color);
}

@media screen and (max-width: 768px) {
    .data-section h1 {
        font-size: 20px;
    }

    .nav-links {
        flex-direction: column;
        align-items: center;
    }

    .nav-links a {
        width: 100%;
        text-align: center;
        margin-bottom: 10px;
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn var(--transition-speed) ease-in;
}

@media print {
    body {
        background-color: white;
    }
}

.datetime-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-color, #084263);
    color: white;
    padding: 15px;
    margin-bottom: 20px;
}

#current-date,
#current-time {
    text-align: center;
    width: 100%;
    color: white;
}