/* Galería en collage (masonry) — [collage] */
.rsn-collage {
	column-count: 3;
	column-gap: 18px;
	margin: 28px 0 40px;
}
.rsn-collage-item { margin: 0 0 18px; break-inside: avoid; }
.rsn-collage-enlace {
	position: relative; display: block; overflow: hidden;
	border-radius: 14px; background: var(--rsn-fondo-suave, #F4F1EB);
	aspect-ratio: var(--forma, 4 / 3);
	box-shadow: 0 2px 8px rgba(0, 48, 82, .12);
	transition: transform .3s ease, box-shadow .3s ease;
	text-decoration: none; color: #fff;
}
.rsn-collage-enlace img {
	width: 100%; height: 100%; object-fit: cover; display: block;
	transition: transform .6s ease;
}
.rsn-collage-velo {
	position: absolute; inset: 0;
	background: linear-gradient(to top, rgba(0, 32, 56, .85) 0%, rgba(0, 32, 56, 0) 55%);
	opacity: 0; transition: opacity .3s ease;
}
.rsn-collage-leyenda {
	position: absolute; left: 16px; right: 56px; bottom: 14px;
	font-family: var(--rsn-fuente-titulo, 'Lora', serif); font-size: 1.05rem; font-weight: 600; line-height: 1.25;
	transform: translateY(8px); opacity: 0;
	transition: transform .3s ease, opacity .3s ease;
}
.rsn-collage-lupa {
	position: absolute; right: 14px; bottom: 12px; width: 34px; height: 34px; border-radius: 50%;
	display: grid; place-items: center;
	background: var(--rsn-oro, #A78B3F); color: var(--rsn-marino, #003052);
	transform: scale(.7); opacity: 0; transition: transform .3s ease, opacity .3s ease;
}
.rsn-collage-enlace:hover, .rsn-collage-enlace:focus-visible {
	transform: translateY(-5px);
	box-shadow: 0 16px 32px rgba(0, 48, 82, .32);
}
.rsn-collage-enlace:hover img, .rsn-collage-enlace:focus-visible img { transform: scale(1.08); }
.rsn-collage-enlace:hover .rsn-collage-velo, .rsn-collage-enlace:focus-visible .rsn-collage-velo { opacity: 1; }
.rsn-collage-enlace:hover .rsn-collage-leyenda, .rsn-collage-enlace:focus-visible .rsn-collage-leyenda,
.rsn-collage-enlace:hover .rsn-collage-lupa, .rsn-collage-enlace:focus-visible .rsn-collage-lupa { transform: none; opacity: 1; }
.rsn-collage-enlace:focus-visible { outline: 3px solid var(--rsn-oro, #A78B3F); outline-offset: 3px; }

/* En pantallas táctiles no hay hover: la leyenda se ve siempre. */
@media (hover: none) {
	.rsn-collage-velo { opacity: 1; }
	.rsn-collage-leyenda { transform: none; opacity: 1; }
}
@media (max-width: 900px) { .rsn-collage { column-count: 2; column-gap: 14px; } .rsn-collage-item { margin-bottom: 14px; } }
@media (max-width: 520px) { .rsn-collage { column-count: 1; } }

/* Ampliación */
.rsn-collage-visor {
	position: fixed; inset: 0; z-index: 99999; display: none;
	align-items: center; justify-content: center; flex-direction: column; gap: 14px;
	background: rgba(0, 20, 36, .92); padding: 24px;
}
.rsn-collage-visor.abierto { display: flex; }
.rsn-collage-visor img { max-width: min(1200px, 94vw); max-height: 80vh; border-radius: 10px; box-shadow: 0 20px 60px rgba(0, 0, 0, .5); }
.rsn-collage-visor p { margin: 0; color: #fff; font-family: var(--rsn-fuente-titulo, 'Lora', serif); font-size: 1.15rem; text-align: center; }
.rsn-collage-visor button {
	position: absolute; top: 18px; right: 18px; width: 44px; height: 44px; border: 0; border-radius: 50%; cursor: pointer;
	background: var(--rsn-oro, #A78B3F); color: var(--rsn-marino, #003052); font-size: 1.5rem; line-height: 1;
	box-shadow: 0 4px 12px rgba(0, 0, 0, .35); transition: background .2s, transform .2s;
}
.rsn-collage-visor button:hover { background: var(--rsn-oro-hover, #B99A4A); transform: scale(1.06); }
.rsn-collage-visor .rsn-v-ant, .rsn-collage-visor .rsn-v-sig { top: 50%; margin-top: -22px; }
.rsn-collage-visor .rsn-v-ant { left: 18px; right: auto; }
.rsn-collage-visor .rsn-v-sig { right: 18px; }

@media (prefers-reduced-motion: reduce) {
	.rsn-collage * { transition: none !important; }
	.rsn-collage-enlace:hover { transform: none; }
}

.rsn-infra-lead { max-width: 760px; font-size: 1.1rem; line-height: 1.7; margin: 0 0 8px; }