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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fafafa;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 60px 20px;
}

header {
    margin-bottom: 40px;
}

.profile-section {
    display: flex;
    align-items: center;
    gap: 30px;
    margin-bottom: 30px;
}

.profile-image {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #e0e0e0;
}

.header-text h1 {
    font-size: 2.5em;
    font-weight: 300;
    margin-bottom: 8px;
    color: #1a1a1a;
}

.subtitle {
    font-size: 1.2em;
    color: #666;
    margin-bottom: 4px;
}

.affiliation {
    font-size: 1em;
    color: #888;
}

nav {
    border-top: 1px solid #e0e0e0;
    border-bottom: 1px solid #e0e0e0;
    padding: 20px 0;
    margin-bottom: 50px;
    display: flex;
    gap: 30px;
}

nav a {
    color: #333;
    text-decoration: none;
    font-weight: 400;
    transition: color 0.2s;
}

nav a:hover {
    color: #000;
}

section {
    margin-bottom: 50px;
}

h2 {
    font-size: 1.8em;
    font-weight: 300;
    margin-bottom: 20px;
    color: #1a1a1a;
    border-bottom: 1px solid #e0e0e0;
    padding-bottom: 10px;
}

p {
    margin-bottom: 15px;
    color: #555;
}

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

a:hover {
    text-decoration: underline;
}

.publication {
    margin-bottom: 25px;
    padding-left: 15px;
    border-left: 3px solid #e0e0e0;
}

.pub-title {
    font-weight: 500;
    color: #1a1a1a;
    margin-bottom: 5px;
}

.pub-authors {
    font-size: 0.95em;
    color: #666;
    margin-bottom: 3px;
}

.pub-venue {
    font-size: 0.9em;
    color: #888;
    font-style: italic;
}

footer {
    margin-top: 80px;
    padding-top: 30px;
    border-top: 1px solid #e0e0e0;
    text-align: center;
    color: #888;
    font-size: 0.9em;
}

/* Responsive design */
@media (max-width: 600px) {
    .profile-section {
        flex-direction: column;
        text-align: center;
    }

    .header-text h1 {
        font-size: 2em;
    }

    nav {
        flex-wrap: wrap;
        gap: 15px;
        justify-content: center;
    }
}
