/* 1. Hide the container of the title */
.md-header .md-header__title,
.md-header__title {
    display: none !important;
    visibility: hidden !important;
    width: 0 !important;
    opacity: 0 !important;
}

/* 2. Hide the inner text span specifically just in case */
.md-header__topic {
    display: none !important;
}

/* 3. Force the logo container to be visible */
/* Note: In Material, the logo is usually a sibling of title inside .md-header__button.md-logo OR separate */
.md-header__button.md-logo {
    display: block !important;
    visibility: visible !important;
    width: auto !important;
    opacity: 1 !important;
    margin-right: 1rem;
}