/* === HEADER BARTELEMY === */
.header-bartelemy {
    background: linear-gradient(135deg, #034a73 0%, #026ca3 100%);
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 4px solid #ffffff;
    color: white;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}
/* ... menu, responsive, hover ... */