/* ═══════════════════════════════════════════════
   CASOS DE ESTUDIO — Archivo y tarjetas
   ═══════════════════════════════════════════════ */

/* ─── Archivo /casos/ ─── */
.ct-cases-archive {
	padding: 140px 32px 80px;
	max-width: var(--ct-container-max);
	margin: 0 auto;
}

.ct-cases-archive__header {
	margin-bottom: 80px;
	padding-bottom: 48px;
	border-bottom: 1px solid var(--ct-line);
}

.ct-cases-archive__label {
	margin-bottom: 20px;
}

.ct-cases-archive__headline {
	font-size: clamp(3rem, 7vw, 6rem);
	font-weight: 400;
	letter-spacing: -0.04em;
	line-height: 1;
	margin: 0 0 24px;
}

.ct-cases-archive__headline em {
	font-style: italic;
	color: var(--ct-muted);
	font-weight: 300;
}

.ct-cases-archive__intro {
	color: var(--ct-muted);
	max-width: 560px;
	font-size: 1rem;
	line-height: 1.6;
	margin: 0;
}

/* ─── Grid de tarjetas ─── */
.ct-cases-archive__grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 1px;
	background: var(--ct-line-strong);
	border: 1px solid var(--ct-line-strong);
}

.ct-case-card {
	background: var(--ct-paper);
}

.ct-case-card__link {
	display: block;
	padding: 48px 40px;
	text-decoration: none;
	color: var(--ct-ink);
	transition: background 0.2s;
	height: 100%;
}

.ct-case-card__link:hover {
	background: var(--ct-paper-deep);
}

.ct-case-card__link:hover .ct-case-card__cta {
	color: var(--ct-accent);
}

.ct-case-card__index {
	font-family: var(--ct-font-mono);
	font-size: 0.72rem;
	text-transform: uppercase;
	letter-spacing: 0.16em;
	color: var(--ct-muted);
	margin-bottom: 20px;
}

.ct-case-card__title {
	font-size: 2rem;
	font-weight: 400;
	letter-spacing: -0.025em;
	line-height: 1.05;
	margin: 0 0 16px;
}

.ct-case-card__excerpt {
	color: var(--ct-muted);
	font-size: 0.94rem;
	line-height: 1.6;
	margin: 0 0 24px;
}

.ct-case-card__cta {
	font-size: 0.74rem;
	text-transform: uppercase;
	letter-spacing: 0.14em;
	color: var(--ct-ink-soft);
	transition: color 0.2s;
}

.ct-cases-archive__empty {
	grid-column: 1 / -1;
	padding: 80px 40px;
	text-align: center;
	color: var(--ct-muted);
}

/* ─── Página individual de caso ─── */
.ct-case-page {
	padding-top: 0; /* El bloque case-study ya tiene padding */
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
	.ct-cases-archive {
		padding: 120px 20px 60px;
	}

	.ct-cases-archive__grid {
		grid-template-columns: 1fr;
	}

	.ct-case-card__link {
		padding: 32px 24px;
	}

	.ct-case-card__title {
		font-size: 1.5rem;
	}
}