/* Global Styles */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --text-color: #333;
    --light-gray: #f5f6fa;
    --spacing: 2rem;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-gray);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing);
}

/* Header Styles */
header {
    background-color: white;
    padding: var(--spacing) 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.profile {
    text-align: center;
}

.profile-photo {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 1rem;
    border: 3px solid var(--secondary-color);
}

.profile h1 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.title {
    color: var(--secondary-color);
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.social-links {
    margin-top: 1rem;
}

.social-links a {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin: 0 0.5rem;
    text-decoration: none;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--secondary-color);
}

/* Main Content Styles */
main {
    padding: var(--spacing) 0;
}

section {
    background-color: white;
    padding: var(--spacing);
    margin-bottom: var(--spacing);
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--secondary-color);
}

/* Publications Styles */
.publications-grid {
    display: grid;
    gap: var(--spacing);
}

.publication {
    padding: 1.5rem;
    background-color: var(--light-gray);
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.publication:hover {
    transform: translateY(-2px);
}

.publication h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.authors, .venue {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.abstract {
    margin: 1rem 0;
}

.paper-links {
    display: flex;
    gap: 1rem;
}

.paper-link {
    color: var(--secondary-color);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.paper-link:hover {
    text-decoration: underline;
}

/* Footer Styles */
footer {
    background-color: white;
    padding: var(--spacing);
    text-align: center;
    margin-top: var(--spacing);
    box-shadow: 0 -2px 4px rgba(0,0,0,0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --spacing: 1rem;
    }

    .profile-photo {
        width: 150px;
        height: 150px;
    }

    .publication {
        padding: 1rem;
    }
}