/* =====================================================================
   Articles hub — page-actualites.php
   Hero → sticky chip nav (scroll-spy) → numbered groups of article cards → CTA
   Mirrors the FAQ page rhythm so the two "resource" pages feel like siblings.
   ===================================================================== */

/* ---------- Hero ---------- */
.hub-hero {
	background: radial-gradient(120% 140% at 0% 0%, #1b3a5c 0%, var(--color-primary) 45%, var(--color-primary-dark) 100%);
	color: #fff;
	padding-block: clamp(3.5rem, 8vw, 6rem) clamp(3rem, 6vw, 4.5rem);
}
.hub-hero__eyebrow {
	color: var(--color-accent);
	margin-bottom: var(--space-sm);
}
.hub-hero__title {
	color: #fff;
	font-size: clamp(2.5rem, 5vw, 4rem);
	line-height: 1.02;
	letter-spacing: -0.025em;
	margin: 0;
}
.hub-hero__lead {
	color: rgba(255, 255, 255, 0.72);
	font-size: clamp(1.05rem, 1.6vw, 1.25rem);
	line-height: 1.55;
	max-width: 52ch;
	margin: var(--space-md) 0 0;
}

/* ---------- Sticky chip nav ---------- */
.hub-nav {
	position: sticky;
	top: var(--header-height, 80px);
	z-index: 5;
	background: rgba(255, 255, 255, 0.92);
	backdrop-filter: blur(8px);
	-webkit-backdrop-filter: blur(8px);
	border-bottom: 1px solid var(--color-border);
}
.hub-nav__inner {
	display: flex;
	gap: var(--space-xs);
	overflow-x: auto;
	scrollbar-width: none;
	padding-block: var(--space-sm);
	-webkit-overflow-scrolling: touch;
}
.hub-nav__inner::-webkit-scrollbar {
	display: none;
}
.hub-nav__chip {
	flex: 0 0 auto;
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	padding: 0.5rem 0.95rem;
	border: 1px solid var(--color-border);
	border-radius: 999px;
	color: var(--color-muted);
	font-size: 0.875rem;
	font-weight: 500;
	white-space: nowrap;
	text-decoration: none;
	transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}
.hub-nav__index {
	font-size: 0.7rem;
	letter-spacing: 0.08em;
	color: var(--color-accent-text);
	font-variant-numeric: tabular-nums;
}
.hub-nav__chip:hover,
.hub-nav__chip:focus-visible {
	color: var(--color-primary);
	border-color: var(--color-primary);
}
.hub-nav__chip[aria-current="true"] {
	color: #fff;
	background: var(--color-primary);
	border-color: var(--color-primary);
}
.hub-nav__chip[aria-current="true"] .hub-nav__index {
	color: var(--color-accent);
}

/* ---------- Groups ---------- */
.hub-body {
	padding-block: clamp(2.5rem, 5vw, 4rem) clamp(3rem, 6vw, 5rem);
	display: grid;
	gap: clamp(3rem, 6vw, 5rem);
}
.hub-group {
	display: grid;
	gap: var(--space-md);
	scroll-margin-top: calc(var(--header-height, 80px) + 4.5rem);
}
@media (min-width: 900px) {
	.hub-group {
		grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
		gap: clamp(2rem, 5vw, 5rem);
	}
}
.hub-group__head {
	align-self: start;
}
@media (min-width: 900px) {
	.hub-group__head {
		position: sticky;
		top: calc(var(--header-height, 80px) + 5rem);
	}
}
.hub-group__index {
	display: block;
	font-family: var(--font-display);
	font-size: 0.95rem;
	letter-spacing: 0.12em;
	color: var(--color-accent-text);
	margin-bottom: var(--space-sm);
}
.hub-group__title {
	font-size: clamp(1.75rem, 3vw, 2.5rem);
	line-height: 1.1;
	letter-spacing: -0.02em;
	margin: 0;
}
.hub-group__lead {
	color: var(--color-muted);
	font-size: 1rem;
	line-height: 1.55;
	max-width: 36ch;
	margin: var(--space-sm) 0 0;
}
.hub-group__count {
	display: inline-block;
	margin: var(--space-md) 0 0;
	padding: 0.3rem 0.75rem;
	border-radius: 999px;
	background: var(--color-surface);
	color: var(--color-primary);
	font-size: 0.8rem;
	font-weight: 600;
	letter-spacing: 0.04em;
}

/* ---------- Cards ---------- */
.hub-group__list {
	display: grid;
	gap: var(--space-md);
}
@media (min-width: 640px) {
	.hub-group__list {
		grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
	}
}
.hub-card {
	position: relative;
	display: flex;
	flex-direction: column;
	gap: var(--space-xs);
	padding: var(--space-md);
	padding-bottom: calc(var(--space-md) + 1.5rem);
	background: var(--color-background);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-md);
	box-shadow: var(--shadow-sm);
	color: inherit;
	text-decoration: none;
	overflow: hidden;
	transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
/* Gold rule that grows on hover — same cue as .card--pricing but earned, not permanent */
.hub-card::before {
	content: "";
	position: absolute;
	inset: 0 auto auto 0;
	width: 100%;
	height: 3px;
	background: var(--color-accent);
	transform: scaleX(0.18);
	transform-origin: left;
	transition: transform 0.3s ease;
}
.hub-card:hover,
.hub-card:focus-visible {
	transform: translateY(-4px);
	box-shadow: var(--shadow-md);
	border-color: var(--color-primary);
	outline: none;
}
.hub-card:hover::before,
.hub-card:focus-visible::before {
	transform: scaleX(1);
}
.hub-card__tag {
	align-self: flex-start;
	font-size: 0.7rem;
	font-weight: 600;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--color-accent-text);
}
.hub-card__title {
	margin: 0;
	font-size: 1.2rem;
	line-height: 1.25;
	letter-spacing: -0.01em;
	color: var(--color-primary);
}
.hub-card__excerpt {
	margin: 0;
	color: var(--color-muted);
	font-size: 0.95rem;
	line-height: 1.55;
	display: -webkit-box;
	-webkit-line-clamp: 3;
	-webkit-box-orient: vertical;
	overflow: hidden;
}
.hub-card__meta {
	margin-top: auto;
	padding-top: var(--space-sm);
	display: flex;
	flex-wrap: wrap;
	gap: 0.4rem;
	font-size: 0.8rem;
	color: var(--color-muted);
	font-variant-numeric: tabular-nums;
}
.hub-card__arrow {
	position: absolute;
	right: var(--space-md);
	bottom: var(--space-sm);
	font-size: 1.25rem;
	line-height: 1;
	color: var(--color-accent-text);
	transition: transform 0.2s ease;
}
.hub-card:hover .hub-card__arrow,
.hub-card:focus-visible .hub-card__arrow {
	transform: translateX(4px);
}

/* ---------- Bottom CTA ---------- */
.hub-cta {
	background: var(--color-primary);
	color: #fff;
	padding-block: clamp(3rem, 6vw, 5rem);
	position: relative;
}
.hub-cta::before {
	content: "";
	position: absolute;
	inset: 0 0 auto 0;
	height: 1px;
	background: linear-gradient(90deg, var(--color-accent) 0, var(--color-accent) 20%, transparent 20%);
}
.hub-cta__inner {
	display: grid;
	gap: var(--space-lg);
	align-items: center;
}
@media (min-width: 900px) {
	.hub-cta__inner {
		grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
	}
}
.hub-cta__eyebrow {
	color: var(--color-accent);
	margin-bottom: var(--space-xs);
}
.hub-cta__text h2 {
	color: #fff;
	font-size: clamp(1.9rem, 3.4vw, 2.75rem);
	letter-spacing: -0.02em;
	line-height: 1.1;
	margin: 0 0 var(--space-sm);
}
.hub-cta__text p {
	color: rgba(255, 255, 255, 0.72);
	max-width: 46ch;
	margin: 0;
}
.hub-cta__actions {
	display: grid;
	gap: var(--space-sm);
	justify-items: start;
}
@media (min-width: 900px) {
	.hub-cta__actions {
		justify-items: end;
		text-align: right;
	}
}
.hub-cta__link {
	color: rgba(255, 255, 255, 0.82);
	text-decoration: none;
	font-weight: 500;
	transition: color 0.2s ease;
}
.hub-cta__link:hover,
.hub-cta__link:focus-visible {
	color: var(--color-accent);
}

@media (prefers-reduced-motion: reduce) {
	.hub-card,
	.hub-card::before,
	.hub-card__arrow {
		transition: none;
	}
	.hub-card:hover {
		transform: none;
	}
}