/* ─────────────────────────────────────────────────────────────────────────
   Desplegable "Blog" del menú con las 6 categorías-silo.
   Escritorio: submenú flotante al hover/focus. Móvil: lista indentada.
   ───────────────────────────────────────────────────────────────────────── */
.cf-nav-item.cf-has-sub {
	position: relative;
	display: inline-flex;
	align-items: center;
}
.cf-nav .cf-nav-top {
	display: inline-flex;
	align-items: center;
	gap: 4px;
}
.cf-caret {
	font-size: 10px;
	transition: transform .15s ease;
}
.cf-has-sub:hover .cf-caret,
.cf-has-sub:focus-within .cf-caret {
	transform: rotate(180deg);
}
.cf-has-sub:hover .cf-nav-top,
.cf-has-sub:focus-within .cf-nav-top {
	color: var(--accent);
}

/* puente invisible para que el hover no se corte en el hueco */
.cf-has-sub::after {
	content: "";
	position: absolute;
	top: 100%;
	left: 0;
	right: 0;
	height: 10px;
}

.cf-subnav {
	position: absolute;
	top: 100%;
	left: 50%;
	transform: translateX(-50%) translateY(8px);
	min-width: 215px;
	background: #0c0e14f5;
	-webkit-backdrop-filter: blur(12px);
	backdrop-filter: blur(12px);
	border: 1px solid var(--line-2);
	border-radius: 13px;
	padding: 8px;
	display: flex;
	flex-direction: column;
	gap: 2px;
	opacity: 0;
	visibility: hidden;
	transition: opacity .15s ease, transform .15s ease;
	z-index: 60;
	box-shadow: 0 14px 34px rgba(0, 0, 0, .45);
}
.cf-has-sub:hover .cf-subnav,
.cf-has-sub:focus-within .cf-subnav {
	opacity: 1;
	visibility: visible;
	transform: translateX(-50%) translateY(2px);
}
.cf-subnav a {
	padding: 9px 13px;
	border-radius: 9px;
	white-space: nowrap;
	color: var(--text-2);
}
.cf-subnav a:hover,
.cf-subnav a:focus-visible {
	background: var(--surface);
	color: var(--accent);
}

/* ── Móvil: dentro del menú hamburguesa, submenú estático e indentado */
@media (max-width:820px) {
	.cf-nav-item.cf-has-sub {
		display: block;
	}
	.cf-nav.is-open .cf-nav-top {
		display: flex;
		justify-content: space-between;
		padding: 12px 0;
		border-bottom: 1px solid var(--line-0);
	}
	.cf-has-sub::after { display: none; }
	.cf-nav.is-open .cf-subnav {
		position: static;
		transform: none;
		opacity: 1;
		visibility: visible;
		min-width: 0;
		background: none;
		border: 0;
		box-shadow: none;
		-webkit-backdrop-filter: none;
		backdrop-filter: none;
		padding: 2px 0 6px 16px;
		gap: 0;
	}
	.cf-nav.is-open .cf-subnav a {
		padding: 10px 0;
		border-bottom: 1px solid var(--line-0);
		border-radius: 0;
	}
	.cf-caret { transform: none !important; }
}