:root[data-frontmark-style="underground"] {
	--frontmark-logo-width: clamp(10.5rem, 15vw, 13rem);
	--frontmark-logo-height: 3.1rem;
	--frontmark-logo-mobile-width: 9.5rem;
	--frontmark-logo-mobile-height: 2.5rem;
	--frontmark-logo-small-width: 8rem;
	--frontmark-logo-small-height: 2.2rem;
	--frontmark-theme-accent: #b1844f;
	--frontmark-theme-accent-bright: #c9a779;
	--frontmark-theme-accent-soft: #76542f;
	--frontmark-theme-readable-link: #76542f;
	--frontmark-scroll-progress-gradient: linear-gradient(90deg, #171a19, #b1844f 68%, #d9bf98);
}

:root[data-frontmark-style="underground"] :where(header.header, .frontmark-header-shell) {
	border-bottom-color: rgba(32, 34, 32, 0.12);
	background: rgba(250, 248, 244, 0.96);
}

:root[data-frontmark-style="underground"] :where(header.header, .frontmark-header-shell) .site-title img {
	width: clamp(10.5rem, 15vw, 13rem) !important;
	height: 3.1rem !important;
	max-width: none;
}

:root[data-frontmark-style="underground"] .frontmark-header-menu summary {
	border-color: rgba(32, 34, 32, 0.24);
	color: #242725;
}

:root[data-frontmark-style="underground"] .frontmark-footer-brand-logo-only img {
	width: min(100%, 19rem);
}

:root[data-frontmark-style="underground"] .frontmark-footer-main {
	grid-template-columns: minmax(19rem, 1.15fr) minmax(0, 3.4fr);
}

:root[data-frontmark-style="underground"] .frontmark-footer-brand-description {
	max-width: 19rem;
	color: #f1eee8;
	font-size: 0.98rem;
	line-height: 1.45;
	white-space: pre-line;
}

@media (max-width: 48rem) {
	:root[data-frontmark-style="underground"] :where(header.header, .frontmark-header-shell) .site-title img {
		width: 9.5rem !important;
		height: 2.5rem !important;
	}

	:root[data-frontmark-style="underground"] .frontmark-footer-main {
		grid-template-columns: minmax(0, 1fr);
	}
}