/* Comparar Hojas de Cálculo – Blog  (prefijo .chcb) */
.chcb {
	--chcb-azul: #2156D9;
	--chcb-azul-hover: #1A47B8;
	--chcb-menta: #2EC4A6;
	--chcb-menta-osc: #139A80;
	--chcb-marino: #0F1B3D;
	--chcb-pizarra: #5B6B82;
	--chcb-azul-claro: #EEF3FF;
	--chcb-menta-claro: #E7F8F3;
	--chcb-borde: #E4E9F2;
	--chcb-fondo: #F5F7FA;
	width: 100%;
	font-family: 'Poppins', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
	color: var(--chcb-marino);
	line-height: 1.5;
	box-sizing: border-box;
	scroll-margin-top: 90px;
	overflow-x: clip;
}
.chcb *, .chcb *::before, .chcb *::after { box-sizing: border-box; }
.chcb ul { list-style: none; margin: 0; padding: 0; }
.chcb p { margin: 0; }
.chcb a { text-decoration: none; }
.chcb__sr { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.chcb__inner { max-width: 1240px; margin: 0 auto; padding: 56px 24px 72px; }

/* Encabezado */
.chcb__head { text-align: center; margin-bottom: 34px; }
.chcb .chcb__title { margin: 0 0 10px; padding: 0; font-family: inherit; font-size: clamp(32px, 5vw, 48px); font-weight: 700; line-height: 1.1; letter-spacing: -.02em; color: var(--chcb-marino); }
.chcb__subtitle { font-size: clamp(16px, 2vw, 18px); color: var(--chcb-pizarra); max-width: 620px; margin: 0 auto !important; }

/* Barra: categorías + buscador */
.chcb__toolbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 30px; }
.chcb__toolbar > * { min-width: 0; }
.chcb__cats { display: flex; flex-wrap: wrap; gap: 8px; max-width: 100%; }
.chcb__chip {
	display: inline-flex; align-items: center; gap: 8px;
	padding: 9px 16px; border-radius: 999px;
	background: #fff; border: 1.5px solid var(--chcb-borde);
	color: var(--chcb-marino) !important; font-size: 14.5px; font-weight: 500; line-height: 1.2; white-space: nowrap;
	transition: background .15s, border-color .15s, color .15s;
}
.chcb__chip span { min-width: 22px; padding: 1px 7px; border-radius: 999px; background: var(--chcb-azul-claro); color: var(--chcb-azul); font-size: 12px; font-weight: 600; text-align: center; }
.chcb__chip:hover { border-color: var(--chcb-azul); color: var(--chcb-azul) !important; }
.chcb__chip.is-active { background: var(--chcb-azul); border-color: var(--chcb-azul); color: #fff !important; }
.chcb__chip.is-active span { background: rgba(255, 255, 255, .22); color: #fff; }

.chcb__search {
	position: relative; display: flex; align-items: center; flex: 0 1 360px;
	background: #fff; border: 1.5px solid var(--chcb-borde); border-radius: 14px;
	transition: border-color .15s, box-shadow .15s;
}
.chcb__search:focus-within { border-color: var(--chcb-azul); box-shadow: 0 0 0 4px rgba(33, 86, 217, .12); }
.chcb__search svg { position: absolute; left: 14px; width: 19px; height: 19px; color: var(--chcb-pizarra); pointer-events: none; }
.chcb .chcb__search input {
	flex: 1; min-width: 0; height: 48px; margin: 0; padding: 0 8px 0 42px;
	border: 0 !important; background: transparent !important; box-shadow: none !important; outline: none;
	font: inherit; font-size: 15px; color: var(--chcb-marino); -webkit-appearance: none; appearance: none;
}
.chcb .chcb__search button {
	margin: 4px; padding: 0 16px; height: 40px; border: 0; border-radius: 10px;
	background: var(--chcb-azul); color: #fff; font: inherit; font-size: 14.5px; font-weight: 600; cursor: pointer;
}
.chcb .chcb__search button:hover { background: var(--chcb-azul-hover); }

.chcb__info { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin: -10px 0 22px !important; color: var(--chcb-pizarra); font-size: 15px; }
.chcb__info a { color: var(--chcb-azul); font-weight: 600; }
.chcb__info a:hover { text-decoration: underline; }

/* Tarjetas */
.chcb__grid { display: grid; gap: 24px; }
.chcb__grid--2 { grid-template-columns: repeat(2, 1fr); }
.chcb__grid--3 { grid-template-columns: repeat(3, 1fr); }
.chcb__grid--4 { grid-template-columns: repeat(4, 1fr); }
.chcb__grid > li { display: flex; }

.chcb__card {
	position: relative; width: 100%;
	display: flex; flex-direction: column;
	background: #fff; border: 1.5px solid var(--chcb-borde); border-radius: 20px; overflow: hidden;
	transition: transform .2s, box-shadow .2s, border-color .2s;
}
.chcb__card:hover { transform: translateY(-4px); border-color: rgba(33, 86, 217, .3); box-shadow: 0 18px 40px rgba(15, 27, 61, .10); }
.chcb__card:focus-within { border-color: var(--chcb-azul); }

.chcb__media { position: relative; display: block; aspect-ratio: 16 / 9; overflow: hidden; background: var(--chcb-azul-claro); }
.chcb__media img {
	position: absolute; inset: 0; z-index: 1;
	width: 100% !important; height: 100% !important; max-width: none !important;
	object-fit: cover; display: block; margin: 0 !important; border-radius: 0 !important;
	transition: transform .4s;
}
.chcb__card:hover .chcb__media img { transform: scale(1.04); }

/* Ilustración de reserva cuando no hay imagen (o no carga) */
.chcb__ph {
	position: absolute; inset: 0;
	display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px;
	background:
		radial-gradient(420px 220px at 15% 0%, rgba(46, 196, 166, .28), transparent 60%),
		radial-gradient(420px 240px at 100% 100%, rgba(33, 86, 217, .22), transparent 60%),
		var(--chcb-azul-claro);
}
.chcb__ph::before {
	content: ''; position: absolute; inset: 0;
	background-image: linear-gradient(rgba(33, 86, 217, .08) 1px, transparent 1px), linear-gradient(90deg, rgba(33, 86, 217, .08) 1px, transparent 1px);
	background-size: 28px 28px;
}
.chcb__ph-mark { position: relative; width: 64px; height: 64px; }
.chcb__ph-label { position: relative; font-size: 13px; font-weight: 600; color: var(--chcb-azul); }

.chcb__content { display: flex; flex-direction: column; gap: 10px; flex: 1; padding: 20px 22px 22px; }
.chcb__meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.chcb__cat {
	display: inline-block; padding: 4px 11px; border-radius: 999px;
	font-size: 12.5px; font-weight: 600; line-height: 1.4;
	position: relative; z-index: 2;
}
.chcb__cat--azul { background: var(--chcb-azul-claro); color: var(--chcb-azul) !important; }
.chcb__cat--menta { background: var(--chcb-menta-claro); color: var(--chcb-menta-osc) !important; }
.chcb__cat--marino { background: #E6E9F2; color: var(--chcb-marino) !important; }
.chcb__cat--ambar { background: #FFF4DB; color: #9A6200 !important; }
.chcb__cat:hover { filter: brightness(.96); text-decoration: underline; }
.chcb__flag { font-size: 12.5px; font-weight: 600; color: var(--chcb-pizarra); }

.chcb .chcb__card-title { margin: 0; padding: 0; font-family: inherit; font-size: 18.5px; font-weight: 600; line-height: 1.35; letter-spacing: -.005em; }
.chcb__card-title a { color: var(--chcb-marino) !important; }
.chcb__card-title a::after { content: ''; position: absolute; inset: 0; z-index: 1; } /* toda la tarjeta es clicable */
.chcb__card-title a:focus-visible { outline: none; }
.chcb__card:has(.chcb__card-title a:focus-visible) { outline: 2px solid var(--chcb-azul); outline-offset: 3px; }
.chcb__card:hover .chcb__card-title a { color: var(--chcb-azul) !important; }
.chcb__excerpt { font-size: 14.5px; color: var(--chcb-pizarra); line-height: 1.6; flex: 1; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.chcb__foot { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 4px; font-size: 13px; color: var(--chcb-pizarra); }
.chcb__dot { opacity: .6; }

/* Destacado */
.chcb__card--featured { flex-direction: row; margin-bottom: 24px; }
.chcb__card--featured .chcb__media { flex: 0 0 56%; aspect-ratio: auto; min-height: 340px; }
.chcb__card--featured .chcb__content { padding: 36px 40px; justify-content: center; gap: 14px; }
.chcb__card--featured .chcb__card-title { font-size: clamp(22px, 2.4vw, 30px); line-height: 1.25; letter-spacing: -.015em; }
.chcb__card--featured .chcb__excerpt { font-size: 15.5px; -webkit-line-clamp: 4; flex: 0 0 auto; }

/* Sin resultados */
.chcb__empty { position: relative; text-align: center; padding: 150px 20px 48px; border: 1.5px dashed var(--chcb-borde); border-radius: 20px; background: #fff; color: var(--chcb-pizarra); overflow: hidden; }
.chcb__empty .chcb__ph { inset: 0 0 auto 0; height: 120px; background: none; }
.chcb__empty .chcb__ph::before { display: none; }
.chcb__empty strong { color: var(--chcb-marino); font-size: 17px; }
.chcb__empty p + p { margin-top: 6px; }

/* Paginación */
.chcb__pager { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 8px; margin-top: 44px; }
.chcb__pg {
	display: inline-flex; align-items: center; justify-content: center; gap: 6px;
	min-width: 44px; height: 44px; padding: 0 14px; border-radius: 12px;
	background: #fff; border: 1.5px solid var(--chcb-borde);
	color: var(--chcb-marino) !important; font-size: 15px; font-weight: 600;
	transition: border-color .15s, color .15s, background .15s;
}
.chcb__pg svg { width: 16px; height: 16px; }
a.chcb__pg:hover { border-color: var(--chcb-azul); color: var(--chcb-azul) !important; }
.chcb__pg.is-current { background: var(--chcb-azul); border-color: var(--chcb-azul); color: #fff !important; }
.chcb__pg--dots { border: 0; background: none; min-width: 20px; padding: 0; }

.chcb a:focus-visible, .chcb button:focus-visible { outline: 2px solid var(--chcb-azul); outline-offset: 3px; }

/* ---------- Tableta ---------- */
@media (max-width: 1024px) {
	.chcb__grid--3, .chcb__grid--4 { grid-template-columns: repeat(2, 1fr); }
	.chcb__card--featured .chcb__media { flex-basis: 50%; min-height: 300px; }
	.chcb__card--featured .chcb__content { padding: 28px; }
}
@media (max-width: 820px) {
	.chcb__toolbar { flex-direction: column-reverse; align-items: stretch; }
	.chcb__search { flex: none; width: 100%; max-width: 100%; }
	.chcb__card--featured { flex-direction: column; }
	.chcb__card--featured .chcb__media { flex: none; aspect-ratio: 16 / 9; min-height: 0; }
	.chcb__card--featured .chcb__content { padding: 22px 24px 26px; }
}

/* ---------- Móvil ---------- */
@media (max-width: 640px) {
	.chcb__inner { padding: 36px 16px 52px; }
	.chcb__head { margin-bottom: 24px; }
	.chcb__cats { flex-wrap: nowrap; overflow-x: auto; width: calc(100% + 32px); max-width: none; margin: 0 -16px; padding: 2px 16px 6px; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
	.chcb__cats::-webkit-scrollbar { display: none; }
	.chcb__chip { flex-shrink: 0; }
	.chcb__grid--2, .chcb__grid--3, .chcb__grid--4 { grid-template-columns: 1fr; gap: 18px; }
	.chcb__card:hover { transform: none; }
	.chcb__card-title { font-size: 17.5px; }
	.chcb__content { padding: 18px 18px 20px; }
	.chcb__pg--nav span { display: none; }
	.chcb__pg { min-width: 42px; height: 42px; padding: 0 12px; }
}

@media (prefers-reduced-motion: reduce) {
	.chcb *, .chcb *::before, .chcb *::after { transition: none !important; }
}

/* Sin artículos todavía: herramientas sugeridas (v2) */
.chcb .chcb__tools { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; list-style: none; margin: 20px auto 22px !important; padding: 0 !important; max-width: 640px; }
.chcb .chcb__tools a { display: inline-block; padding: 7px 14px; border-radius: 999px; background: var(--chcb-fondo, #F5F7FA); border: 1.5px solid var(--chcb-borde); font-size: 14px; font-weight: 500; color: var(--chcb-marino); text-decoration: none; transition: border-color .2s, color .2s, background .2s; }
.chcb .chcb__tools a:hover { border-color: var(--chcb-azul); color: var(--chcb-azul); background: #EEF3FF; }
.chcb__btn { display: inline-flex; align-items: center; justify-content: center; padding: 12px 24px; border-radius: 12px; background: var(--chcb-azul); color: #fff !important; font-weight: 600; font-size: 15px; text-decoration: none; transition: background .2s; }
.chcb__btn:hover { background: #1A47B8; }
.chcb .chcb__tools li { margin: 0; padding: 0; }