/* ==========================================================================
   Rib Marine – Back to top
   ========================================================================== */
.rm-btt {
	--btt-ease: cubic-bezier(0.16, 1, 0.3, 1);
	position: fixed;
	right: var(--btt-x, 24px);
	bottom: calc(var(--btt-y, 24px) + env(safe-area-inset-bottom, 0px));
	z-index: 990;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	width: var(--btt-s, 52px);
	height: var(--btt-s, 52px);
	margin: 0;
	padding: 0;
	color: var(--btt-ic, #fff);
	font: 500 13px/1 var(--rm-font-body, system-ui, sans-serif);
	letter-spacing: 0.06em;
	text-transform: uppercase;
	background: var(--btt-bg, rgba(20, 20, 20, 0.78));
	border: 0;
	border-radius: 50%;
	cursor: pointer;
	opacity: 0;
	visibility: hidden;
	transform: translate3d(0, 18px, 0) scale(0.9);
	-webkit-backdrop-filter: blur(8px);
	backdrop-filter: blur(8px);
	-webkit-tap-highlight-color: transparent;
	transition: opacity 0.35s ease, transform 0.55s var(--btt-ease), visibility 0s linear 0.55s, background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}
.rm-btt--left { right: auto; left: var(--btt-x, 24px); }
.rm-btt.is-visible { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }
.rm-btt--shadow { box-shadow: 0 12px 30px -10px rgba(0, 0, 0, 0.45); }

.rm-btt:hover,
.rm-btt:focus-visible { color: var(--btt-ic-h, #fff); background: var(--btt-bg-h, #b39b6e); }
.rm-btt:focus { outline: none; }
.rm-btt:focus-visible { outline: 2px solid var(--btt-ring, #b39b6e); outline-offset: 3px; }

.rm-btt__icon { display: inline-flex; font-size: calc(var(--btt-s, 52px) * 0.4); line-height: 0; transition: transform 0.45s var(--btt-ease); }
.rm-btt__icon svg { width: 1em; height: 1em; display: block; }
.rm-btt:hover .rm-btt__icon { transform: translate3d(0, -3px, 0); }

/* Style 2: progress ring */
.rm-btt__ring { position: absolute; inset: 0; width: 100%; height: 100%; transform: rotate(-90deg); pointer-events: none; overflow: visible; }
.rm-btt__track,
.rm-btt__bar { fill: none; stroke: var(--btt-ring, #b39b6e); stroke-width: 2; }
.rm-btt__track { stroke-opacity: 0.22; }
.rm-btt__bar { stroke-linecap: round; stroke-dasharray: 100; stroke-dashoffset: 100; transition: stroke-dashoffset 0.12s linear; }
.rm-btt--ring:hover .rm-btt__track { stroke-opacity: 0; }

/* Style 3: pill with label */
.rm-btt--pill {
	width: auto;
	height: calc(var(--btt-s, 52px) * 0.82);
	padding: 0 calc(var(--btt-s, 52px) * 0.36);
	border: 1px solid var(--btt-ring, #b39b6e);
	border-radius: 999px;
}
.rm-btt--pill .rm-btt__icon { font-size: 15px; }
.rm-btt--pill:hover { border-color: var(--btt-bg-h, #b39b6e); }

/* Hide while the mobile menu or the gallery lightbox is open */
html.rmn-locked .rm-btt,
html.rmm-lb-open .rm-btt { opacity: 0; visibility: hidden; pointer-events: none; }

@media (max-width: 767px) {
	.rm-btt { --btt-s-m: calc(var(--btt-s, 52px) * 0.86); width: var(--btt-s-m); height: var(--btt-s-m); right: min(var(--btt-x, 24px), 16px); bottom: calc(min(var(--btt-y, 24px), 16px) + env(safe-area-inset-bottom, 0px)); }
	.rm-btt--left { right: auto; left: min(var(--btt-x, 24px), 16px); }
	.rm-btt--pill { width: auto; height: calc(var(--btt-s, 52px) * 0.74); }
	.rm-btt--no-mobile { display: none; }
}
@media (prefers-reduced-motion: reduce) {
	.rm-btt, .rm-btt * { transition-duration: 0.01ms !important; }
}