/**
 * Blog 2.0 — Frontend single (CSS Grid / Flexbox + custom properties).
 * Sin estilos en línea. Sin dependencia de clases Bootstrap en el markup.
 */

.blog20-article {
	--blog20-bg: #f4f7fa;
	--blog20-surface: #ffffff;
	--blog20-ink: #06111a;
	--blog20-muted: #5a6b7b;
	--blog20-accent: #0e2b63;
	--blog20-accent-soft: #3ad1f2;
	--blog20-line: #d7e0e8;
	--blog20-pill-bg: #e8eef5;
	--blog20-radius: 14px;
	--blog20-gap: clamp(1rem, 2vw, 1.75rem);
	--blog20-pad: clamp(1.25rem, 3vw, 2.5rem);
	--blog20-max: 1200px;
	--blog20-sticky-top: 1.25rem;

	color: var(--blog20-ink);
	background: var(--blog20-bg);
	font-family: "SF UI Display", "DM Sans", system-ui, sans-serif;
}

.blog20-article a {
	color: var(--blog20-accent);
}

.blog20-wrap {
	width: min(100% - 2rem, var(--blog20-max));
	margin-inline: auto;
}

/* —— Hero 5/7 —— */
.blog20-hero {
	padding-block: var(--blog20-pad);
	background: var(--blog20-surface);
	border-bottom: 1px solid var(--blog20-line);
}

.blog20-hero__grid {
	display: grid;
	grid-template-columns: 5fr 7fr;
	gap: var(--blog20-gap);
	align-items: center;
}

.blog20-pills {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	margin: 0 0 1rem;
	padding: 0;
	list-style: none;
}

.blog20-pill {
	display: inline-block;
	padding: 0.35rem 0.75rem;
	border-radius: 999px;
	background: var(--blog20-pill-bg);
	color: var(--blog20-accent);
	font-size: clamp(0.75rem, 1.2vw, 0.85rem);
	font-weight: 600;
	text-decoration: none;
}

.blog20-hero__title {
	margin: 0 0 0.75rem;
	font-size: clamp(1.75rem, 3.5vw, 2.75rem);
	line-height: 1.15;
	color: var(--blog20-ink);
}

.blog20-hero__date {
	margin: 0 0 1.25rem;
	color: var(--blog20-muted);
	font-size: clamp(0.85rem, 1.4vw, 0.95rem);
}

.blog20-share {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
}

.blog20-share__btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 2.5rem;
	min-height: 2.5rem;
	padding: 0.4rem 0.75rem;
	border: 1px solid var(--blog20-line);
	border-radius: 999px;
	background: var(--blog20-surface);
	color: var(--blog20-accent);
	font-size: 0.8rem;
	font-weight: 600;
	text-decoration: none;
}

.blog20-share__btn:hover,
.blog20-share__btn:focus-visible {
	border-color: var(--blog20-accent-soft);
	outline: none;
}

.blog20-hero__media {
	width: 100%;
	aspect-ratio: 16 / 9;
	border-radius: var(--blog20-radius);
	overflow: hidden;
	background: #0b1a26;
}

.blog20-hero__media img,
.blog20-hero__media iframe {
	display: block;
	width: 100%;
	height: 100%;
	border: 0;
	object-fit: cover;
}

/* —— Cuerpo 3-6-3 —— */
.blog20-body {
	padding-block: var(--blog20-pad);
}

.blog20-body__grid {
	display: grid;
	grid-template-columns: 3fr 6fr 3fr;
	gap: var(--blog20-gap);
	align-items: start;
}

.blog20-toc,
.blog20-crosspromo {
	position: sticky;
	top: var(--blog20-sticky-top);
}

.blog20-toc__list {
	margin: 0;
	padding: 0;
	list-style: none;
	display: grid;
	gap: 0.5rem;
}

.blog20-toc__list a {
	display: block;
	padding: 0.35rem 0;
	color: var(--blog20-muted);
	text-decoration: none;
	font-size: 0.9rem;
	border-left: 2px solid transparent;
	padding-left: 0.65rem;
}

.blog20-toc__list a:hover,
.blog20-toc__list a:focus-visible {
	color: var(--blog20-accent);
	border-left-color: var(--blog20-accent-soft);
	outline: none;
}

.blog20-toc__list .is-h3 {
	padding-left: 1.25rem;
	font-size: 0.85rem;
}

.blog20-content {
	background: var(--blog20-surface);
	border: 1px solid var(--blog20-line);
	border-radius: var(--blog20-radius);
	padding: clamp(1.25rem, 2.5vw, 2rem);
}

.blog20-content .blog20-block-paragraph {
	margin: 0 0 1.25rem;
	font-size: clamp(1rem, 1.5vw, 1.125rem);
	line-height: 1.7;
	color: var(--blog20-ink);
}

.blog20-content .blog20-block-subtitle {
	margin: 2rem 0 0.85rem;
	scroll-margin-top: 5rem;
	line-height: 1.25;
	color: var(--blog20-ink);
}

.blog20-content .blog20-block-subtitle.is-h2 {
	font-size: clamp(1.35rem, 2.2vw, 1.75rem);
}

.blog20-content .blog20-block-subtitle.is-h3 {
	font-size: clamp(1.15rem, 1.8vw, 1.35rem);
}

.blog20-content .highlight-blue {
	color: #0d6efd;
	text-decoration: underline;
	text-underline-offset: 2px;
}

.blog20-content .blog20-block-media {
	margin: 1.5rem 0;
	border-radius: calc(var(--blog20-radius) - 4px);
	overflow: hidden;
}

.blog20-content .blog20-block-media img,
.blog20-content .blog20-block-media iframe {
	display: block;
	width: 100%;
	height: auto;
	border: 0;
}

.blog20-content .blog20-block-media.is-video {
	aspect-ratio: 16 / 9;
}

.blog20-content .blog20-block-media.is-video iframe {
	width: 100%;
	height: 100%;
}

.blog20-content .blog20-block-table {
	width: 100%;
	border-collapse: collapse;
	margin: 1.5rem 0;
	font-size: 0.95rem;
}

.blog20-content .blog20-block-table th,
.blog20-content .blog20-block-table td {
	border: 1px solid var(--blog20-line);
	padding: 0.65rem 0.75rem;
	text-align: left;
}

.blog20-crosspromo {
	display: grid;
	gap: 1rem;
}

.blog20-cta-card {
	display: grid;
	gap: 0.75rem;
	padding: 1rem;
	border: 1px solid var(--blog20-line);
	border-radius: var(--blog20-radius);
	background: var(--blog20-surface);
	text-decoration: none;
	color: inherit;
	transition: border-color 0.2s ease, transform 0.2s ease;
}

.blog20-cta-card:hover,
.blog20-cta-card:focus-visible {
	border-color: var(--blog20-accent-soft);
	transform: translateY(-2px);
	outline: none;
}

.blog20-cta-card__img {
	width: 100%;
	aspect-ratio: 1 / 1;
	object-fit: cover;
	border-radius: calc(var(--blog20-radius) - 6px);
}

.blog20-cta-card__title {
	margin: 0;
	font-size: 1rem;
	line-height: 1.3;
}

.blog20-cta-card__text,
.blog20-cta-card__bullets {
	margin: 0;
	color: var(--blog20-muted);
	font-size: 0.9rem;
	line-height: 1.45;
}

.blog20-cta-card__bullets {
	padding-left: 1.1rem;
}

.blog20-cta-card__btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 0.55rem 0.85rem;
	border-radius: 999px;
	background: var(--blog20-accent);
	color: #fff;
	font-size: 0.85rem;
	font-weight: 600;
}

/* —— Relacionados —— */
.blog20-related {
	padding-block: var(--blog20-pad);
	background: var(--blog20-surface);
	border-top: 1px solid var(--blog20-line);
}

.blog20-related__head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
	margin-bottom: 1rem;
}

.blog20-related__title {
	margin: 0;
	font-size: clamp(1.25rem, 2vw, 1.5rem);
}

.blog20-related__nav {
	display: flex;
	gap: 0.5rem;
}

.blog20-related__nav button {
	min-width: 2.5rem;
	min-height: 2.5rem;
	border: 1px solid var(--blog20-line);
	border-radius: 999px;
	background: var(--blog20-bg);
	color: var(--blog20-accent);
	cursor: pointer;
	font-size: 1.1rem;
	line-height: 1;
}

.blog20-related__nav button:hover,
.blog20-related__nav button:focus-visible {
	border-color: var(--blog20-accent-soft);
	outline: none;
}

.blog20-related__track {
	display: grid;
	grid-auto-flow: column;
	grid-auto-columns: minmax(240px, 1fr);
	gap: 1rem;
	overflow-x: auto;
	scroll-snap-type: x mandatory;
	scrollbar-width: thin;
	padding-bottom: 0.35rem;
}

.blog20-related__card {
	scroll-snap-align: start;
	display: grid;
	gap: 0.65rem;
	padding: 1rem;
	border: 1px solid var(--blog20-line);
	border-radius: var(--blog20-radius);
	background: var(--blog20-bg);
	text-decoration: none;
	color: inherit;
}

.blog20-related__card h3 {
	margin: 0;
	font-size: 1.05rem;
	line-height: 1.3;
}

.blog20-related__card p {
	margin: 0;
	color: var(--blog20-muted);
	font-size: 0.9rem;
}

/* —— Pre-footer —— */
.blog20-prefooter {
	width: 100%;
	min-height: 0;
}

/* —— Responsive —— */
@media (max-width: 960px) {
	.blog20-hero__grid,
	.blog20-body__grid {
		grid-template-columns: 1fr;
	}

	.blog20-toc,
	.blog20-crosspromo {
		position: static;
	}

	.blog20-crosspromo {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}

@media (max-width: 640px) {
	.blog20-crosspromo {
		grid-template-columns: 1fr;
	}
}