body {
    font-family: 'Merriweather', serif;
    background-color: #fdfdfd;
    color: #2c3e50;
}
h1, h2, h3, h4, h5, .navbar-brand {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
}
.navbar { background-color: #1a252f !important; }
.card { border: 1px solid #ecf0f1; box-shadow: 0 2px 4px rgba(0,0,0,0.05); }
.metadata-label { font-weight: bold; color: #7f8c8d; font-family: 'Montserrat', sans-serif; font-size: 0.9em; text-transform: uppercase; }
.abstract-box { background-color: #ecf0f1; padding: 20px; border-left: 5px solid #e74c3c; font-style: italic; }
.img-paleo { width: 100%; border-radius: 5px; box-shadow: 0 4px 8px rgba(0,0,0,0.1); margin-bottom: 15px;}

@media (min-width: 768px) {
    .sticky-search {
        position: sticky;
        top: 85px;
        z-index: 1000;
    }
}