/*
 * ÉTUDES — Participate Accordion
 *
 * Style unique : item ouvert sur fond crème arrondi, titre vert, icône +
 * Items fermés : fond teal, texte blanc, chevron.
 */

 .participate-heading {
	text-align: center;
	font-size: clamp(28px, 4vw, 48px);
	margin-bottom: 20px;
}

.participate-lede {
	text-align: center;
	color: var(--text-muted);
	font-size: 16px;
	line-height: 1.7;
	max-width: 900px;
	margin: 0 auto 48px;
}

/* === Accordion === */
.pt-accordion {
	display: flex;
	flex-direction: column;
	gap: 16px;
	max-width: 1200px;
	margin: 0 auto;
}

/* ── Item fermé : fond teal, pill ── */
.pt-accordion-item {
	border-radius: 999px;
	overflow: hidden;
}

.pt-accordion-header {
	width: 100%;
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 24px;
	padding: 22px 32px;
	background: var(--teal);
	color: var(--white);
	font-size: 17px;
	font-weight: 600;
	text-align: left;
	transition: background .2s ease;
}

.pt-accordion-header:hover {
	background: var(--teal-dark);
}

/* Icône */
.pt-accordion-icon {
	flex-shrink: 0;
	width: 24px;
	height: 24px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
}

.pt-icon-chevron { display: block; }
.pt-icon-minus   { display: none; }

.pt-accordion-item.open .pt-icon-chevron { display: none; }
.pt-accordion-item.open .pt-icon-minus   { display: block; color: var(--green); }

/* ── Item ouvert : fond crème, titre vert ── */
.pt-accordion-item.open {
	border-radius: var(--radius-xl);
	background: var(--bg-light);
	overflow: hidden;
}

.pt-accordion-item.open .pt-accordion-header {
	background: var(--bg-light);
	color: var(--green);
	padding-bottom: 10px;
	font-weight: 700;
}

/* ── Corps ── */
.pt-accordion-body {
	max-height: 0;
	overflow: hidden;
	background: var(--bg-light);
}

.pt-accordion-item.open .pt-accordion-body {
	max-height: 9999px;
	padding: 10px 32px 32px;
}

.pt-accordion-body p {
	font-size: 15px;
	color: var(--text-muted);
	line-height: 1.75;
	margin: 0;
}

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 968px) {
	.pt-accordion-header { font-size: 15px; padding: 18px 24px; }
	.pt-accordion-item.open .pt-accordion-body { padding: 16px 24px 28px; }
}

@media (max-width: 540px) {
	.pt-accordion-header { font-size: 14px; padding: 16px 20px; gap: 16px; }
	.pt-accordion-item.open .pt-accordion-body { padding: 12px 20px 24px; }
	.participate-lede { font-size: 15px; }
}