/*
 * CHAIRE — Photo Carousel
 */

.chaire-carousel {
	padding: 48px 0;
}

/* Wrapper interne — c'est lui qui positionne les boutons, pas la section */
.carousel-inner {
	position: relative;
}

/* === Track === */
.carousel-track-wrap {
	overflow: hidden;
	cursor: grab;
}

.carousel-track-wrap:active {
	cursor: grabbing;
}

.carousel-track {
	display: flex;
	gap: 16px;
	transition: transform .4s cubic-bezier(.4, 0, .2, 1);
	will-change: transform;
	user-select: none;
}

/* === Slides — coins carrés === */
.carousel-slide {
	flex: 0 0 calc(25% - 12px);
	aspect-ratio: 4/3;
	overflow: hidden;
	border-radius: 0;
	cursor: pointer;
}

.carousel-slide img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	pointer-events: none;
	transition: transform .4s ease;
}

.carousel-slide:hover img {
	transform: scale(1.04);
}

/* === Boutons — ancrés sur .carousel-inner === */
.carousel-btn {
	position: absolute;
	top: 50%;
	transform: translateY(-50%);
	z-index: 10;
	width: 48px;
	height: 48px;
	border-radius: 50%;
	background: var(--white);
	color: var(--teal);
	box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
	display: inline-flex;
	align-items: center;
	justify-content: center;
	transition: background .2s ease, box-shadow .2s ease;
}

.carousel-btn:hover {
	background: var(--teal);
	color: var(--white);
	box-shadow: 0 8px 24px rgba(0, 0, 0, 0.16);
}

.carousel-btn--prev { left: -24px; }
.carousel-btn--next { right: -24px; }

/* Masqué si tout rentre */
.carousel--no-overflow .carousel-btn {
	display: none;
}

.carousel-btn:disabled {
	opacity: 0.35;
	pointer-events: none;
}

/* =========================================
   LIGHTBOX
   ========================================= */
.carousel-lightbox {
	position: fixed;
	inset: 0;
	z-index: 9999;
	background: rgba(0, 0, 0, 0.92);
	display: flex;
	align-items: center;
	justify-content: center;
	opacity: 0;
	pointer-events: none;
	transition: opacity .25s ease;
}

.carousel-lightbox.is-open {
	opacity: 1;
	pointer-events: all;
}

.carousel-lightbox img {
	max-width: 90vw;
	max-height: 90vh;
	object-fit: contain;
	display: block;
	box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
}

.carousel-lightbox-close {
	position: absolute;
	top: 20px;
	right: 24px;
	width: 44px;
	height: 44px;
	border-radius: 50%;
	background: rgba(255, 255, 255, 0.15);
	color: #fff;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	transition: background .2s ease;
}

.carousel-lightbox-close:hover { background: rgba(255, 255, 255, 0.3); }

.carousel-lightbox-prev,
.carousel-lightbox-next {
	position: absolute;
	top: 50%;
	transform: translateY(-50%);
	width: 48px;
	height: 48px;
	border-radius: 50%;
	background: rgba(255, 255, 255, 0.15);
	color: #fff;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	transition: background .2s ease;
}

.carousel-lightbox-prev:hover,
.carousel-lightbox-next:hover { background: rgba(255, 255, 255, 0.3); }

.carousel-lightbox-prev { left: 20px; }
.carousel-lightbox-next { right: 20px; }

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 968px) {
	.carousel-slide { flex: 0 0 calc(50% - 8px); }
	.carousel-btn--prev { left: -16px; }
	.carousel-btn--next { right: -16px; }
}

/* Dès 768px : 1 image centrée entre les flèches */
@media (max-width: 768px) {
	.carousel-slide { flex: 0 0 calc(100% - 96px); }
	.carousel-track { padding: 0; }
	.carousel-btn { width: 40px; height: 40px; }
	.carousel-btn--prev { left: 0; }
	.carousel-btn--next { right: 0; }
}

@media (max-width: 480px) {
	.carousel-slide { flex: 0 0 calc(100% - 80px); }
	.carousel-btn { width: 36px; height: 36px; }
}