.mv-sectienav {
	position: fixed;
	right: max(12px, env(safe-area-inset-right, 0px));
	bottom: max(16px, env(safe-area-inset-bottom, 0px));
	z-index: 90;
	display: flex;
	flex-direction: column;
	gap: 6px;
	padding: 6px;
	background: var(--mv-bg);
	border: 1px solid var(--mv-rand);
	border-radius: 999px;
	box-shadow: var(--mv-schaduw-hoog);
	opacity: 0;
	transform: translateY(8px);
	pointer-events: none;
	transition: opacity 200ms ease, transform 200ms ease;
}

.mv-sectienav.is-zichtbaar { opacity: 1; transform: none; pointer-events: auto; }

.mv-sectienav__knop {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 40px;
	height: 40px;
	padding: 0;
	border: none;
	border-radius: 50%;
	background: transparent;
	color: var(--mv-kop-kleur);
	cursor: pointer;
	transition: background-color var(--mv-overgang), color var(--mv-overgang);
}

.mv-sectienav__knop .mv-icoon { width: 20px; height: 20px; }
.mv-sectienav__knop:hover { background: var(--mv-accent); color: #ffffff; }
.mv-sectienav__knop:focus-visible { outline: 2px solid var(--mv-accent); outline-offset: 2px; }
.mv-sectienav__knop:disabled { opacity: 0.35; cursor: default; }
.mv-sectienav__knop:disabled:hover { background: transparent; color: var(--mv-kop-kleur); }

.mv-sectienav__knop--boven { background: var(--mv-accent); color: #ffffff; }
.mv-sectienav__knop--boven:hover { background: var(--mv-accent-hover); }

@media (max-width: 599px) {
	.mv-sectienav { gap: 4px; padding: 4px; }
	.mv-sectienav__knop { width: 36px; height: 36px; }
	.mv-sectienav__knop .mv-icoon { width: 18px; height: 18px; }
}

@media print {
	.mv-sectienav { display: none; }
}