:root {
	--mb-bordeaux: #9e321f;
	--mb-ink: #171717;
	--mb-muted: #67645f;
	--mb-line: #ddd9d1;
	--mb-paper: #fbfaf7;
	--mb-soft: #f2f0ec;
	--mb-serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
	--mb-sans: Arial, Helvetica, sans-serif;
}

.mb-echange,
.mb-echange * {
	font-family: var(--mb-sans) !important;
}

.mb-echange {
	max-width: 1100px;
	margin: 0 auto;
	padding: 4rem 1.5rem 6rem;
	color: var(--mb-ink);
}

.mb-echange * {
	box-sizing: border-box;
}

/* En-tête */
.mb-echange-hero {
	text-align: center;
	max-width: 700px;
	margin: 0 auto 4rem;
}

.mb-echange-eyebrow {
	text-transform: uppercase;
	letter-spacing: 0.16em;
	font-size: 11px;
	font-weight: 600;
	color: var(--mb-bordeaux) !important;
	margin-bottom: 0.75rem;
}

.mb-echange-hero h1 {
	font-family: var(--mb-serif) !important;
	font-weight: 500;
	font-size: clamp(2.25rem, 4vw, 3rem);
	line-height: 1.1;
	color: var(--mb-ink) !important;
	margin: 0 0 1.25rem;
}

.mb-echange-lead {
	font-size: 1.1rem;
	line-height: 1.6;
	color: var(--mb-muted) !important;
}

/* Titres de section */
.mb-echange-explain h2,
.mb-echange-status h2,
.mb-echange-cta h2 {
	font-size: 13px;
	font-weight: 600;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--mb-ink) !important;
	margin: 0 0 1.25rem;
}

/* Le principe */
.mb-echange-explain {
	display: grid;
	grid-template-columns: 1.4fr 1fr;
	gap: 3rem;
	padding: 3rem 0;
	border-top: 1px solid var(--mb-line);
	border-bottom: 1px solid var(--mb-line);
	margin-bottom: 3rem;
}

.mb-echange-explain-text p {
	line-height: 1.7;
	margin-bottom: 1rem;
	color: var(--mb-ink) !important;
}

.mb-echange-fields ul {
	list-style: none;
	margin: 0;
	padding: 0;
}

.mb-echange-fields li {
	padding: 0.7rem 0;
	border-bottom: 1px solid var(--mb-line);
	font-size: 0.95rem;
	color: var(--mb-muted) !important;
}

.mb-echange-fields li strong {
	color: var(--mb-ink) !important;
	font-weight: 600;
	margin-right: 0.35em;
}

/* Statut actuel */
.mb-echange-status {
	background: var(--mb-soft);
	border-radius: 6px;
	padding: 2rem;
	margin-bottom: 4rem;
}

.mb-echange-status p {
	line-height: 1.7;
	color: var(--mb-muted) !important;
	max-width: 70ch;
}

/* CTA finale */
.mb-echange-cta {
	text-align: center;
	background: var(--mb-paper);
	border: 1px solid var(--mb-line);
	border-radius: 6px;
	padding: 3rem 1.5rem;
}

.mb-echange-cta h2 {
	text-align: center;
	margin-bottom: 1.5rem;
}

.mb-echange-cta-btn {
	display: inline-block;
	background: var(--mb-bordeaux) !important;
	color: #fff !important;
	text-decoration: none !important;
	padding: 0.9rem 2.1rem;
	border-radius: 3px;
	font-size: 12px;
	font-weight: 600;
	letter-spacing: 0.06em;
	text-transform: uppercase;
}

.mb-echange-cta-btn:hover {
	opacity: 0.9;
}

/* Mobile */
@media (max-width: 780px) {
	.mb-echange-explain {
		grid-template-columns: 1fr;
		gap: 2rem;
	}
}

/* ==========================================================
   VISUEL — deux pièces + flèches d'échange
   ========================================================== */
.mb-echange-visual {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 2.5rem;
	margin-bottom: 4rem;
}

.mb-echange-visual-piece {
	width: 260px;
	aspect-ratio: 1.5 / 1;
	border-radius: 3px;
	overflow: hidden;
	border: 6px solid #fff;
	box-shadow: 0 0 0 1px var(--mb-line), 0 12px 28px rgba(23, 23, 23, 0.14);
	background: var(--mb-soft);
	flex-shrink: 0;
}

.mb-echange-visual-piece img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.mb-echange-visual-arrows {
	flex-shrink: 0;
	color: var(--mb-bordeaux);
}

.mb-echange-visual-arrows svg {
	width: 40px;
	height: 40px;
}

@media (max-width: 600px) {
	.mb-echange-visual {
		gap: 1.25rem;
	}

	.mb-echange-visual-piece {
		width: 150px;
	}

	.mb-echange-visual-arrows svg {
		width: 28px;
		height: 28px;
	}
}

/* ==========================================================
   FORMULAIRE D'IDÉES
   ========================================================== */
.mb-echange-form-section {
	background: var(--mb-soft);
	border-radius: 6px;
	padding: 2.5rem;
	margin-bottom: 4rem;
}

.mb-echange-form-section > p {
	color: var(--mb-muted) !important;
	line-height: 1.6;
	max-width: 60ch;
	margin: 0 0 1.5rem;
}

.mb-echange-form {
	max-width: 500px;
}

.mb-echange-form-row {
	margin-bottom: 1.1rem;
}

.mb-echange-form-row label {
	display: block;
	font-size: 0.8rem;
	font-weight: 600;
	letter-spacing: 0.04em;
	text-transform: uppercase;
	color: var(--mb-ink) !important;
	margin-bottom: 0.4rem;
}

.mb-echange-form-row input,
.mb-echange-form-row textarea {
	width: 100%;
	padding: 0.75rem 0.9rem;
	border: 1px solid var(--mb-line);
	background: #fff;
	font-size: 0.95rem;
	color: var(--mb-ink) !important;
	font-family: var(--mb-sans) !important;
}

.mb-echange-form-row textarea {
	resize: vertical;
}

.mb-echange-form button {
	padding: 0.85rem 2rem;
	background: var(--mb-bordeaux);
	color: #fff !important;
	border: 0;
	font-size: 12px;
	font-weight: 600;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	cursor: pointer;
}

.mb-echange-form button:hover {
	opacity: 0.9;
}

.mb-echange-form-success {
	color: var(--mb-bordeaux) !important;
	font-weight: 600;
}

.mb-echange-form-error {
	color: #b3261e !important;
	font-weight: 600;
	margin-bottom: 1rem;
}