/* Global Styles */
body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    color: #333;
}

/* Navigation */
.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar-dark .navbar-nav .nav-link {
    color: rgba(255,255,255,0.8);
}

.navbar-dark .navbar-nav .nav-link:hover {
    color: #fff;
}

/* Main Content */
main {
    min-height: calc(100vh - 200px);
}

/* Profile Section */
.profile-image {
    border: 3px solid #fff;
    box-shadow: 0 0 15px rgba(0,0,0,0.1);
}

/* Cards */
.card {
    border: none;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.2s ease-in-out;
}

.card:hover {
    transform: translateY(-5px);
}

/* Publications */
.publication-card {
    margin-bottom: 1.5rem;
}

.publication-title {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.publication-authors {
    color: #7f8c8d;
    font-size: 0.9rem;
}

.publication-venue {
    color: #34495e;
    font-style: italic;
}

/* Projects */
.project-card img {
    height: 200px;
    object-fit: cover;
}

/* Footer */
.footer {
    background-color: #343a40;
    color: white;
    padding: 2rem 0;
}

.footer a {
    color: white;
    text-decoration: none;
}

.footer a:hover {
    color: rgba(255,255,255,0.8);
}

.social-links a {
    font-size: 1.5rem;
    margin-right: 1rem;
}

/* Buttons */
.btn-primary {
    background-color: #007bff;
    border-color: #007bff;
}

.btn-primary:hover {
    background-color: #0056b3;
    border-color: #0056b3;
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar-brand {
        font-size: 1.2rem;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
}

/* Animations */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}