/* ===== Responsive Image Slider ===== */

.ris-slider {
	position: relative;
	--ris-items: 4;
	--ris-gap: 16px;
	--ris-peek: 40px;
}

.ris-slider .ris-track {
	display: flex;
	gap: var(--ris-gap);
	overflow-x: auto;
	scroll-snap-type: x mandatory;
	scroll-behavior: smooth;
	-webkit-overflow-scrolling: touch;
	padding-bottom: 4px;
	list-style: none;
	margin: 0;
	cursor: grab;
	/* Während des Draggens per JS auf "none" gesetzt, sonst kämpft
	   das Snapping mit der freien Ziehbewegung */
	user-select: none;
	-webkit-user-select: none;
}

.ris-slider .ris-track.is-dragging {
	cursor: grabbing;
	scroll-snap-type: none;
	scroll-behavior: auto;
}

/* Scrollbar dezent ausblenden, aber Scrollbarkeit erhalten */
.ris-slider .ris-track::-webkit-scrollbar {
	height: 6px;
}
.ris-slider .ris-track::-webkit-scrollbar-thumb {
	background: rgba(0, 0, 0, 0.15);
	border-radius: 3px;
}

.ris-slider .ris-slide {
	/* Von der verfügbaren Breite wird zusätzlich der "peek"-Wert abgezogen,
	   damit unabhängig von der eingestellten Bilderzahl immer ein Stück
	   des nächsten Bildes am rechten Rand sichtbar bleibt. */
	flex: 0 0 calc((100% - (var(--ris-items) - 1) * var(--ris-gap) - var(--ris-peek)) / var(--ris-items));
	scroll-snap-align: start;
	position: relative;
	user-select: none;
	-webkit-user-select: none;
}

.ris-slide::before {
	content: "";
	width: 100%;
	height: 100%;
	position: absolute;
	top: 0;
	left: 0;
	background: #b51f2a;
	mix-blend-mode: color;
	opacity: 0;
	pointer-events: none;
	transition: opacity 0.25s ease;
	border-radius: 8px;
	z-index: 1;
}

.ris-slide:hover::before {
	opacity: 1;
}

.ris-slider .ris-slide img {
	-webkit-user-drag: none;
	user-drag: none;
	pointer-events: none; /* Klicks/Drag greifen auf den Button-Wrapper durch */
}

.ris-slide-btn {
	display: block;
	width: 100%;
	padding: 0;
	margin: 0;
	border: 0;
	background: none;
	cursor: default;
}

.ris-slider[data-lightbox="true"] .ris-slide-btn {
	cursor: zoom-in;
}

.ris-image-wrap {
	display: block;
	width: 100%;
	overflow: hidden;
	border-radius: 8px;
	background: #f0f0f0;
}

.ris-slider[data-aspect="1/1"] .ris-image-wrap {
	aspect-ratio: 1 / 1;
}

.ris-slider[data-aspect="4/3"] .ris-image-wrap {
	aspect-ratio: 4 / 3;
}

.ris-image-wrap img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	transition: transform 0.3s ease;
}

.ris-slide-btn:hover .ris-image-wrap img,
.ris-slide-btn:focus-visible .ris-image-wrap img {
	transform: scale(1.04);
}

/* Navigation-Pfeile */
.ris-nav {
	position: absolute;
	top: 50%;
	transform: translateY(-50%);
	box-sizing: border-box;
	width: 56px;
	height: 56px;
	padding: 0;
	margin: 0;
	border-radius: 50%;
	border: none;
	background: rgba(255, 255, 255, 0.9);
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
	display: flex;
	align-items: center;
	justify-content: center;
	flex-shrink: 0;
	line-height: 0;
	cursor: pointer;
	color: #111;
	z-index: 2;
}

.ris-nav:hover {
	background: #fff;
	color: #b51f2a;
}

.ris-prev {
	left: 16px;
}

.ris-next {
	right: 16px;
}

.ris-slider-empty {
	opacity: 0.7;
	font-style: italic;
}

/* Solange die Lightbox offen ist, sollen die Slider-Pfeile im Hintergrund
   nicht durch das halbtransparente Overlay hindurchschimmern. */
body.ris-lightbox-open .ris-nav {
	visibility: hidden;
	opacity: 0;
	pointer-events: none;
}

/* ===== Lightbox ===== */

.ris-lightbox-overlay {
	position: fixed;
	inset: 0;
	background: rgba(0, 0, 0, 0.9);
	display: flex;
	align-items: center;
	justify-content: center;
	z-index: 100000;
	opacity: 0;
	visibility: hidden;
	transition: opacity 0.25s ease;
	padding: 40px 20px;
}

.ris-lightbox-overlay.is-open {
	opacity: 1;
	visibility: visible;
}

.ris-lightbox-overlay img {
	max-width: 100%;
	max-height: 100%;
	object-fit: contain;
	border-radius: 4px;
	box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.ris-lightbox-close,
.ris-lightbox-prev,
.ris-lightbox-next {
	position: absolute;
	box-sizing: border-box;
	padding: 0;
	margin: 0;
	background: rgba(255, 255, 255, 0.1);
	border: none;
	color: #fff;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	flex-shrink: 0;
	line-height: 0;
	border-radius: 50%;
	transition: background 0.2s ease;
}

.ris-lightbox-close:hover,
.ris-lightbox-prev:hover,
.ris-lightbox-next:hover {
	background: rgba(255, 255, 255, 0.25);
	color: #b51f2a;
}

.ris-lightbox-close {
	top: 20px;
	right: 20px;
	width: 56px;
	height: 56px;
}

.ris-lightbox-prev,
.ris-lightbox-next {
	top: 50%;
	transform: translateY(-50%);
	width: 64px;
	height: 64px;
}

.ris-lightbox-prev {
	left: 20px;
}

.ris-lightbox-next {
	right: 20px;
}

@media (max-width: 600px) {
	.ris-lightbox-prev,
	.ris-lightbox-next {
		width: 48px;
		height: 48px;
	}
}

/* Auf dem Smartphone ist Drag/Swipe die gängige Bedienung – dort brauchen
   wir weder die Pfeil-Buttons noch eine sichtbare Scrollbar. */
@media (max-width: 767px) {
	.ris-nav {
		display: none !important;
	}

	.ris-slider .ris-track {
		scrollbar-width: none; /* Firefox */
		-ms-overflow-style: none; /* IE/Edge */
	}

	.ris-slider .ris-track::-webkit-scrollbar {
		display: none; /* Chrome, Safari */
	}
}