/* General Styles */
a {
    pointer-events: auto !important;
    cursor: pointer;
}
body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
    color: #333;
    line-height: 1.6;
}

a {
    color: #0073e6;
    text-decoration: none;
}

a:hover {
    color: #005bb5;
}

h1, h2, h3 {
    font-weight: 300;
    color: #222;
}

/* Navigation Bar */
nav {
    background-color: #1a1a1a;
    color: white;
    padding: 15px 0;
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    text-align: center;
    pointer-events: auto;
}

nav ul li {
    display: inline;
    margin: 0 20px;
    pointer-events: auto;
}

nav ul li a {
    color: white;
    text-transform: uppercase;
    font-size: 16px;
    font-weight: 500;
    padding: 8px 16px;
    transition: background-color 0.3s ease;
    pointer-events: auto;
}

nav ul li a:hover {
    background-color: #333;
    border-radius: 5px;
    pointer-events: auto;
}

/* Home Section */
#home {
    background: linear-gradient(rgba(26, 26, 26, 0.85), rgba(26, 26, 26, 0.85)), url('nflafw75q6a91.jpg') no-repeat center center/cover;
    color: white;
    text-align: center;
    padding: 120px 20px;
    min-height: 100vh;
}

#home h1 {
    font-size: 48px;
    margin-bottom: 20px;
    color: #f2f2f2;  /* Lighter color for better contrast */
}

#home p {
    font-size: 20px;
    width: 70%;
    margin: 0 auto;
    line-height: 1.8;
    color: #e0e0e0;  /* Lighter color for readability */
}

.profile-img {
    border-radius: 50%;
    width: 180px;
    height: 180px;
    object-fit: cover;
    margin-top: 20px;
    border: 5px solid #fff;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

/* Section Layout */
section {
    padding: 80px 20px;
    text-align: center;
}

/* Personal Info Section */
#personal-info {
    background-color: #f2f2f2;
}

#personal-info .info-table {
    width: 50%;
    margin: 0 auto;
    border-collapse: collapse;
}

#personal-info th, #personal-info td {
    padding: 12px 15px;
    border-bottom: 1px solid #ddd;
}

#personal-info th {
    text-align: left;
    font-weight: 500;
    color: #333;
}

#personal-info td {
    color: #555;
}

#personal-info a {
    color: #0073e6;
}

/* Social Links */
.social-links {
    margin-top: 20px;
}

.social-links a {
    font-size: 24px;
    margin: 0 15px;
    color: #555;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: #0073e6;
}

/* Research Section */
#research {
    background-color: #f9f9f9;
}

#research h2 {
    color: #222;
}

#research ul li {
    font-size: 18px;
    color: #555;
    padding: 5px 0;
}

/* Teaching Section */
#teaching {
    background-color: #ffffff;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

#teaching h2 {
    color: #222;
}

/* CV Section */
#cv {
    background-color: #f2f2f2;
}

#cv a {
    font-size: 18px;
    font-weight: 600;
    color: #0073e6;
    padding: 12px 24px;
    border: 2px solid #0073e6;
    border-radius: 5px;
    transition: all 0.3s ease;
}

#cv a:hover {
    background-color: #0073e6;
    color: white;
}

/* HSDSLab Section */
#lab {
    background-color: #f9f9f9;
    pointer-events: auto
}

#lab h2 {
    color: #222;
}

#lab a {
    font-size: 18px;
    font-weight: 600;
    color: #0073e6;
}

.lab-logo {
    width: 20px;
    height: 20px;
    vertical-align: middle;
    margin-right: 8px;
    pointer-events: none;
}

/* Footer (optional, if you want to add) */
footer {
    background-color: #1a1a1a;
    color: white;
    padding: 20px 0;
    text-align: center;
    font-size: 14px;
}

footer p {
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    nav ul li {
        display: block;
        margin: 10px 0;
        pointer-events: auto;
    }

    #home h1 {
        font-size: 36px;
    }

    section p {
        width: 90%;
    }

    #personal-info .info-table {
        width: 90%;
    }
}

/* Smooth Scroll Styles */
html {
    scroll-behavior: smooth;
}

/* Navbar Scrolled */
nav.scrolled {
    background-color: #000;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

/* Reveal Animation */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Home Section */
#home {
    background: url('nflafw75q6a91.jpg') no-repeat center center/cover;
    color: white;
    text-align: center;
    padding: 120px 20px;
    min-height: 100vh;
    position: relative;
    overflow: hidden; /* Ensure no overflow of content */
}

/* Fade-In Animation */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 1s ease, transform 1s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Parallax Effect */
#home {
    background-attachment: fixed;
}

/* Research Section */
#research {
    background-color: #ffffff;
    padding: 80px 20px;
}

#research h2 {
    color: #222;
}

.publication-list {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

.publication-item {
    background-color: #f9f9f9;
    border-radius: 8px;
    padding: 20px;
    margin: 20px auto;
    max-width: 800px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.publication-item h3 {
    margin-top: 0;
    color: #333;
}

.publication-item p {
    font-size: 16px;
    line-height: 1.6;
    color: #555;
}

.publication-item a {
    color: #0073e6;
    text-decoration: none;
}

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