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

body {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

/* Black Top Banner */
.top-banner {
    background-color: #000;
    color: #fff;
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.banner-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.banner-title {
    font-size: 24px;
    font-weight: normal;
    margin: 0;
}

.banner-title a {
    color: #fff;
    text-decoration: none;
}

.banner-title a:hover {
    color: #ccc;
}

.main-nav {
    display: flex;
    gap: 20px;
}

.main-nav a {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
}

.main-nav a:hover {
    color: #ccc;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* Sections */
section {
    margin-bottom: 60px;
}

section:first-child {
    margin-top: 0;
}

h2 {
    font-size: 24px;
    font-weight: normal;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #ddd;
}

h3.subsection-title {
    font-size: 20px;
    font-weight: normal;
    margin-top: 40px;
    margin-bottom: 20px;
    padding-bottom: 8px;
    border-bottom: 1px solid #ddd;
}

h3.subsection-title:first-of-type {
    margin-top: 10px;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    align-items: start;
}

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

.about-text strong {
    font-weight: 600;
}

.about-text a {
    color: #0066cc;
    text-decoration: none;
}

.about-text a:hover {
    text-decoration: underline;
}

.contact-info {
    font-size: 15px;
    margin-top: 30px;
}

.about-image {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.about-image img {
    max-width: 100%;
    height: auto;
    border: 1px solid #ddd;
    width: 400px;
}

.photo-credit {
    font-size: 12px;
    color: #888;
    margin-top: 5px;
    font-style: italic;
    text-align: left;
    width: 400px;
    max-width: 100%;
}
}

/* Research Section */
.paper {
    margin-bottom: 20px;
}

.paper-title {
    font-weight: bold;
    font-size: 16px;
    margin-bottom: 3px;
    color: #000;
}

.paper-title a {
    font-weight: normal;
}

.paper-authors {
    font-size: 15px;
    color: #666;
    margin-bottom: 3px;
}

.paper-links {
    margin-bottom: 3px;
}

.paper-links a {
    color: #0066cc;
    text-decoration: none;
    margin-right: 10px;
    font-size: 15px;
}

.paper-links a:hover {
    text-decoration: underline;
}

.paper-venue {
    font-size: 15px;
    margin-top: 3px;
}

.award {
    font-size: 15px;
    font-style: italic;
    color: #888;
    margin-top: 3px;
}

/* Abstract Details */
details {
    margin-top: 3px;
}

summary {
    cursor: pointer;
    font-size: 15px;
    color: #0066cc;
    user-select: none;
}

summary:hover {
    text-decoration: underline;
}

.abstract {
    margin-top: 10px;
    padding: 15px;
    background-color: #f9f9f9;
    border-left: 3px solid #ddd;
    font-size: 15px;
    line-height: 1.6;
}

/* Footer */
footer {
    margin-top: 60px;
    padding-top: 20px;
    border-top: 1px solid #ddd;
    text-align: center;
    font-size: 14px;
    color: #666;
}

/* Responsive */
@media (max-width: 768px) {
    .banner-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .banner-title {
        font-size: 20px;
    }
    
    .main-nav {
        flex-wrap: wrap;
        gap: 15px;
        font-size: 14px;
    }
    
    .container {
        padding: 30px 15px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .about-image {
        order: -1;
    }
}

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