:root {
    --primary: #003366;      /* Classic academic dark blue */
    --accent: #1b6ec2;       /* Standard link blue */
    --dark: #222222;
    --light: #ffffff;
    --bg-alt: #f8f9fa;
    --border-color: #cccccc;
    --shadow: 0 2px 5px rgba(0,0,0,0.1);
}

[data-theme="dark"] {
    --dark: #f4f4f4;
    --light: #222222;
    --bg-alt: #1a1a1a;
    --border-color: #444444;
}

* { 
    margin: 0; 
    padding: 0; 
    box-sizing: border-box; 
    font-family: Arial, Helvetica, sans-serif; 
}

body { 
    background: var(--bg-alt); 
    color: var(--dark); 
    line-height: 1.5; 
    overflow-x: hidden; 
}

/* --- Navbar --- */
.navbar { 
    background: var(--light); 
    height: 75px; 
    display: flex; 
    align-items: center; 
    position: sticky; 
    top: 0; 
    z-index: 1000; 
    border-bottom: 2px solid var(--primary); 
}

.nav-container { 
    width: 92%; 
    max-width: 1200px; 
    margin: 0 auto; 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
}

.nav-logo { 
    display: flex; 
    align-items: center; 
    gap: 10px; 
}

.nav-logo img { 
    height: 55px; 
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.dept-name { 
    font-weight: bold; 
    color: var(--primary); 
    font-size: 1.1rem; 
    text-transform: uppercase; 
}

.dept-subtext {
    font-size: 0.85rem;
    color: #555;
}

.nav-links { 
    display: flex; 
    list-style: none; 
    gap: 20px; 
}

.nav-links a { 
    text-decoration: none; 
    color: var(--dark); 
    font-weight: bold; 
    font-size: 0.9rem; 
    padding: 5px 8px;
}

.nav-links a.active, .nav-links a:hover {
    color: var(--accent);
    border-bottom: 2px solid var(--accent);
}

.nav-actions { 
    display: flex; 
    align-items: center; 
    gap: 15px; 
}

#dark-mode-toggle { 
    background: #eee; 
    border: 1px solid #ccc; 
    padding: 6px 10px;
    border-radius: 4px;
    cursor: pointer; 
    color: var(--dark); 
    font-size: 1rem; 
}

/* --- Content Wrapper & Sections --- */
.main-content-wrapper { 
    max-width: 1100px; 
    margin: 0 auto; 
    padding: 40px 20px; 
}

section { 
    margin-bottom: 60px; 
}

/* --- Hero Banner --- */
.about-hero { 
    background: var(--primary); 
    color: white; 
    padding: 50px 20px; 
    text-align: center; 
    border-bottom: 3px solid var(--accent);
}

.about-hero h1 { 
    font-size: 2.5rem; 
    margin-bottom: 10px;
}

.about-hero p {
    font-size: 1.1rem;
}

/* --- Mission, Vision, Values --- */
.mvv-grid { 
    display: grid; 
    grid-template-columns: repeat(3, 1fr); 
    gap: 20px; 
}

.mvv-card { 
    background: var(--light); 
    padding: 25px 20px; 
    border: 1px solid var(--border-color);
    border-radius: 6px; 
    text-align: center; 
}

.mvv-card i { 
    font-size: 2rem; 
    color: var(--primary); 
    margin-bottom: 15px; 
}

.mvv-card h3 {
    margin-bottom: 10px;
    color: var(--primary);
}

/* --- Institutional Description --- */
.desc-content { 
    display: grid; 
    grid-template-columns: 1.3fr 0.7fr; 
    gap: 40px; 
    align-items: start;
}

.text-block { 
    margin-bottom: 25px; 
}

.text-block h3 { 
    color: var(--primary); 
    margin-bottom: 8px; 
    font-size: 1.2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 4px;
}

.desc-side-content img { 
    width: 100%; 
    border: 1px solid var(--border-color);
    border-radius: 6px; 
    margin-bottom: 15px; 
}

.stat-stack {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.stat-box { 
    background: var(--primary); 
    color: white; 
    padding: 15px; 
    border-radius: 6px; 
    text-align: center; 
}

.stat-box span { 
    font-size: 1.8rem; 
    font-weight: bold; 
    display: block; 
}

/* --- Director Message --- */
.message-wrapper { 
    display: grid; 
    grid-template-columns: 240px 1fr; 
    gap: 30px; 
    align-items: center; 
    background: var(--light); 
    padding: 30px; 
    border: 1px solid var(--border-color);
    border-radius: 6px; 
}

.director-portrait img { 
    width: 100%; 
    border: 1px solid var(--border-color);
    border-radius: 4px; 
}

.message-text .subtitle {
    color: var(--accent);
    font-weight: bold;
    font-size: 0.9rem;
    text-transform: uppercase;
}

.message-text h2 { 
    margin: 5px 0 15px 0; 
    font-size: 1.6rem; 
    color: var(--primary);
}

.message-text p {
    margin-bottom: 15px;
}

.director-signature {
    margin-top: 20px;
    border-top: 1px solid var(--border-color);
    padding-top: 10px;
}

.director-signature h4 {
    color: var(--primary);
}

.director-signature span {
    font-size: 0.85rem;
    color: #666;
}

/* --- Leadership Grid --- */
.section-header { 
    text-align: center; 
    margin-bottom: 30px; 
}

.section-header h2 {
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 5px;
    text-transform: uppercase;
}

.directors-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); 
    gap: 20px; 
}

.director-card { 
    background: var(--light); 
    border: 1px solid var(--border-color);
    border-radius: 6px; 
    overflow: hidden; 
    text-align: center; 
}

.director-card img { 
    width: 100%; 
    height: 180px; 
    object-fit: cover; 
}

.director-info { 
    padding: 15px; 
}

.director-info h4 {
    font-size: 1rem;
    margin-bottom: 5px;
}

.role { 
    font-size: 0.8rem; 
    color: var(--accent); 
    text-transform: uppercase; 
    font-weight: bold; 
}

/* --- Footer --- */
.site-footer { 
    background: #111111; 
    color: #fff; 
    padding-top: 40px; 
    border-top: 3px solid var(--primary); 
}

.footer-container { 
    width: 92%; 
    max-width: 1200px; 
    margin: 0 auto; 
    display: grid; 
    grid-template-columns: 1.3fr 0.8fr 1fr 1fr; 
    gap: 30px; 
    padding-bottom: 30px; 
}

.f-logo { 
    display: flex; 
    align-items: center; 
    gap: 10px; 
    margin-bottom: 15px; 
}

.f-logo img { 
    height: 40px;
}

.f-logo h3 {
    font-size: 1.1rem;
}

.social-links { 
    display: flex; 
    gap: 10px; 
    margin-top: 15px; 
}

.social-links a { 
    width: 32px; 
    height: 32px; 
    background: #333; 
    border-radius: 4px; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    color: #fff; 
    text-decoration: none;
}

.social-links a:hover { 
    background: var(--accent); 
}

.footer-title { 
    font-size: 1.05rem; 
    margin-bottom: 15px; 
    border-bottom: 2px solid var(--primary);
    padding-bottom: 5px;
    display: inline-block;
}

.f-links { 
    list-style: none; 
}

.f-links li { 
    margin-bottom: 8px; 
}

.f-links a { 
    color: #ccc; 
    text-decoration: none; 
    font-size: 0.9rem;
}

.f-links a:hover {
    color: #fff;
    text-decoration: underline;
}

.c-item { 
    display: flex; 
    gap: 10px; 
    margin-bottom: 10px; 
    font-size: 0.88rem;
}

.c-item i { 
    color: var(--accent); 
    margin-top: 3px; 
}

.map-wrapper iframe {
    border-radius: 4px;
}

.footer-bottom { 
    background: #000; 
    padding: 15px 0; 
    border-top: 1px solid #222; 
}

.centered-text { 
    text-align: center; 
}

.footer-bottom p { 
    font-size: 0.8rem; 
    color: #888; 
}

/* --- Mobile Navigation & Responsiveness --- */
.menu-toggle { 
    display: none; 
    flex-direction: column; 
    gap: 4px; 
    cursor: pointer; 
}

.bar { 
    width: 25px; 
    height: 3px; 
    background: var(--dark); 
    border-radius: 2px; 
}

@media (max-width: 1024px) {
    .menu-toggle { display: flex; }
    .nav-links { 
        position: fixed; 
        top: 75px; 
        left: -100%; 
        width: 75%; 
        height: 100vh; 
        background: var(--light); 
        flex-direction: column; 
        padding: 30px 20px; 
        border-right: 2px solid var(--primary);
        transition: 0.3s; 
        z-index: 1000;
    }
    .nav-links.active { left: 0; }
    .main-content-wrapper { padding: 20px; }
    .mvv-grid, .desc-content, .message-wrapper, .footer-container { grid-template-columns: 1fr; }
}