/* ─────────────────────────────────────────────────────────────────────────────
 * marketing-reform-milestones.css
 *
 * Home §3 — DGFIP reform milestones: live countdown, self-selector by company
 * size, and two milestone cards (Sept 2026 · Sept 2027). Server-rendered with
 * a default segment (ge-eti); reform-milestones.js enhances interactivity.
 *
 * Structure:
 *   .mk-reform                        — root wrapper, data-segment pilots state
 *     .mk-reform__countdown           — hero countdown badge
 *     .mk-reform__selector            — segment chips (role="tablist")
 *     .mk-reform__panels              — 2-col grid of milestone cards
 *       .mk-reform__milestone         — one milestone card (2026 | 2027)
 *         .mk-reform__obligations     — ul of obligations filtered by segment
 *     .mk-reform__footnote            — clarification (assujettis uniques)
 * ──────────────────────────────────────────────────────────────────────────── */

.mk-reform {
	position: relative;
	display: flex;
	flex-direction: column;
	gap: var(--s-6);
	padding: var(--s-8) var(--s-6);
	background: var(--color-surface);
	border: 1px solid rgba(20, 28, 82, 0.08);
	border-radius: var(--radius-lg);
	box-shadow:
		0 4px 12px rgba(0, 0, 0, 0.04),
		0 1px 3px rgba(0, 0, 0, 0.03);
}

/* ── Countdown ────────────────────────────────────────────────────────────── */

.mk-reform__countdown {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: var(--s-2);
	padding: var(--s-5) var(--s-6);
	background: linear-gradient(
		135deg,
		var(--color-brand) 0%,
		var(--color-brand-dark) 100%
	);
	color: var(--color-on-brand);
	border-radius: var(--radius-md);
	text-align: center;
}

.mk-reform__countdown-label {
	font-size: var(--text-xs);
	font-weight: 600;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	opacity: 0.78;
}

.mk-reform__countdown-value {
	font-size: clamp(1.75rem, 4vw, var(--text-4xl));
	font-weight: 700;
	line-height: 1.1;
	letter-spacing: -0.01em;
	font-variant-numeric: tabular-nums;
}

.mk-reform__countdown-meta {
	font-size: var(--text-sm);
	opacity: 0.85;
	max-width: 42rem;
}

/* ── Segment selector ─────────────────────────────────────────────────────── */

.mk-reform__selector {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: var(--s-3);
}

.mk-reform__selector-label {
	font-size: var(--text-sm);
	color: var(--color-text-muted);
	font-weight: 500;
}

.mk-reform__chips {
	display: flex;
	flex-wrap: wrap;
	gap: var(--s-2);
	justify-content: center;
}

.mk-reform__chip {
	appearance: none;
	border: 1px solid var(--color-border);
	background: var(--color-surface);
	color: var(--color-text);
	padding: var(--s-2) var(--s-4);
	border-radius: 9999px;
	font-size: var(--text-sm);
	font-weight: 600;
	cursor: pointer;
	transition:
		background 120ms ease,
		border-color 120ms ease,
		color 120ms ease,
		transform 120ms ease;
}

.mk-reform__chip:hover {
	border-color: var(--color-brand);
	color: var(--color-brand);
}

.mk-reform__chip:focus-visible {
	outline: 2px solid var(--color-brand);
	outline-offset: 2px;
}

.mk-reform__chip[aria-selected="true"] {
	background: var(--color-brand);
	border-color: var(--color-brand);
	color: var(--color-on-brand);
}

/* ── Milestone panels ─────────────────────────────────────────────────────── */

.mk-reform__panels {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: var(--s-4);
}

.mk-reform__milestone {
	display: flex;
	flex-direction: column;
	gap: var(--s-4);
	padding: var(--s-5);
	background: var(--color-bg);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-md);
	transition:
		opacity 180ms ease,
		background 180ms ease,
		border-color 180ms ease;
}

.mk-reform__milestone[data-empty="true"] {
	background: transparent;
	border-style: dashed;
	opacity: 0.72;
}

.mk-reform__milestone-head {
	display: flex;
	align-items: center;
	gap: var(--s-3);
}

.mk-reform__milestone-dot {
	display: inline-block;
	width: 0.75rem;
	height: 0.75rem;
	border-radius: 50%;
	background: var(--color-brand);
	box-shadow: 0 0 0 3px rgba(20, 28, 82, 0.12);
	flex-shrink: 0;
}

.mk-reform__milestone[data-empty="true"] .mk-reform__milestone-dot {
	background: var(--color-text-muted);
	box-shadow: 0 0 0 3px rgba(99, 99, 116, 0.15);
}

.mk-reform__milestone-date {
	display: block;
	font-size: var(--text-xl);
	font-weight: 700;
	color: var(--color-brand);
	letter-spacing: -0.01em;
}

.mk-reform__milestone-date-full {
	display: none; /* aria-only — full "Septembre 20XX" for accessibility */
}

/* ── Obligations list ─────────────────────────────────────────────────────── */

.mk-reform__obligations {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: var(--s-2);
}

.mk-reform__obligation {
	display: flex;
	align-items: flex-start;
	gap: var(--s-2);
	padding: var(--s-2) var(--s-3);
	background: var(--color-surface);
	border-radius: var(--radius-sm);
	font-size: var(--text-sm);
	color: var(--color-text);
	line-height: 1.5;
}

.mk-reform__obligation-check {
	color: var(--color-success);
	font-weight: 700;
	flex-shrink: 0;
	line-height: 1.4;
}

.mk-reform__empty {
	margin: 0;
	font-size: var(--text-sm);
	color: var(--color-text-muted);
	font-style: italic;
	padding: var(--s-3);
	text-align: center;
}

/* ── Footnote ─────────────────────────────────────────────────────────────── */

.mk-reform__footnote {
	margin: 0;
	font-size: var(--text-xs);
	color: var(--color-text-muted);
	text-align: center;
	line-height: 1.5;
}

/* ── Responsive ───────────────────────────────────────────────────────────── */

@media (max-width: 640px) {
	.mk-reform {
		padding: var(--s-6) var(--s-4);
		gap: var(--s-5);
	}

	.mk-reform__panels {
		grid-template-columns: minmax(0, 1fr);
	}

	.mk-reform__countdown {
		padding: var(--s-4);
	}

	.mk-reform__chips {
		width: 100%;
	}

	.mk-reform__chip {
		flex: 1 1 auto;
		min-width: max-content;
	}
}

/* ── Reduced motion ───────────────────────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
	.mk-reform__chip,
	.mk-reform__milestone {
		transition: none;
	}
}