:root {
	--color-primary: #2563EB; /* Azul moderno */
	--color-primary-dark: #1E40AF;
	--color-text-main: #1F2937;
	--color-text-secondary: #4B5563;
	--color-bg-body: #F3F4F6;
	--color-bg-card: #FFFFFF;
	--color-border: #E5E7EB;
	--font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
	--font-serif: "Merriweather", "Georgia", serif;
	--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
	--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
	--shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

* {
	box-sizing: border-box;
}

body {
	font-family: var(--font-sans);
	background-color: var(--color-bg-body);
	margin: 0;
	padding: 0;
	color: var(--color-text-main);
	line-height: 1.5;
}

/* Header Sticky */
header {
	background-color: #FFFFFF;
	box-shadow: var(--shadow-sm);
	position: sticky;
	top: 0;
	z-index: 100;
	border-bottom: 1px solid var(--color-border);
}

.header-container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 20px;
	height: 70px;
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.logo-sitio {
	font-family: var(--font-serif);
	font-size: 24px;
	font-weight: 900;
	color: #111;
	text-decoration: none;
	letter-spacing: -0.5px;
	display: flex;
	align-items: center;
	gap: 10px;
}

.logo-sitio span {
	color: var(--color-primary);
}

/* Navegación */
nav.menu-principal {
	display: flex;
	gap: 20px;
}

nav.menu-principal a {
	color: var(--color-text-secondary);
	text-decoration: none;
	font-weight: 600;
	font-size: 15px;
	padding: 8px 12px;
	border-radius: 6px;
	transition: all 0.2s ease;
}

nav.menu-principal a:hover {
	color: var(--color-primary);
	background-color: #EFF6FF; /* Azul muy claro */
}

/* Layout Principal */
.contenedor-principal {
	max-width: 1200px;
	margin: 40px auto;
	padding: 0 20px;
	min-height: calc(100vh - 200px);
}

/* Títulos de Sección */
.encabezado-seccion {
	margin-bottom: 30px;
	border-bottom: 2px solid var(--color-border);
	padding-bottom: 15px;
	display: flex;
	justify-content: space-between;
	align-items: baseline;
}

.encabezado-seccion h2 {
	font-size: 28px;
	color: #111;
	margin: 0;
	font-weight: 800;
	letter-spacing: -0.5px;
}

/* Grid de Noticias */
.contenedor-grid-fichas {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
	gap: 30px;
}

/* Tarjeta de Noticia */
.ficha-noticia {
	background-color: var(--color-bg-card);
	border: 1px solid var(--color-border);
	border-radius: 12px;
	overflow: hidden;
	display: flex;
	flex-direction: column;
	transition: transform 0.2s ease, box-shadow 0.2s ease;
	height: 100%;
}

.ficha-noticia:hover {
	transform: translateY(-4px);
	box-shadow: var(--shadow-hover);
	border-color: #BFDBFE;
}

.ficha-contenido {
	padding: 24px;
	display: flex;
	flex-direction: column;
	flex-grow: 1;
}

.ficha-categoria {
	font-size: 11px;
	font-weight: 700;
	color: var(--color-primary);
	text-transform: uppercase;
	letter-spacing: 1px;
	margin-bottom: 12px;
}

.ficha-noticia h2 {
	margin: 0 0 12px 0;
	font-family: var(--font-serif);
	font-size: 20px;
	line-height: 1.4;
	font-weight: 700;
}

.ficha-noticia h2 a {
	color: #111;
	text-decoration: none;
	background-image: linear-gradient(transparent 95%, var(--color-primary) 5%);
	background-repeat: no-repeat;
	background-size: 0% 100%;
	transition: background-size .3s;
}

.ficha-noticia:hover h2 a {
	background-size: 100% 100%;
	color: var(--color-primary-dark);
}

.ficha-resumen {
	color: var(--color-text-secondary);
	font-size: 15px;
	line-height: 1.6;
	margin-bottom: 20px;
	flex-grow: 1;
}

.ficha-footer {
	padding-top: 15px;
	border-top: 1px solid #F3F4F6;
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.ficha-fecha {
	font-size: 13px;
	color: #9CA3AF;
}

.boton-leer-mas {
	color: var(--color-primary);
	font-weight: 600;
	font-size: 14px;
	text-decoration: none;
	display: inline-flex;
	align-items: center;
}

.boton-leer-mas::after {
	content: "→";
	margin-left: 4px;
	transition: transform 0.2s;
}

.boton-leer-mas:hover::after {
	transform: translateX(3px);
}

/* Página de Artículo Completo */
.articulo-contenedor {
	max-width: 950px;
	margin: 0 auto;
	background: white;
	padding: 60px;
	border-radius: 16px;
	box-shadow: var(--shadow-sm);
	border: 1px solid var(--color-border);
}

.articulo-header {
	margin-bottom: 40px;
	text-align: center;
}

.articulo-meta-top {
	display: flex;
	justify-content: center;
	gap: 15px;
	margin-bottom: 20px;
	font-size: 13px;
	font-weight: 600;
	text-transform: uppercase;
	color: var(--color-primary);
}

.articulo-titulo {
	font-family: var(--font-serif);
	font-size: 42px;
	line-height: 1.2;
	color: #111;
	margin-bottom: 25px;
	font-weight: 800;
}

.articulo-bajada {
	font-size: 20px;
	line-height: 1.6;
	color: var(--color-text-secondary);
	font-style: italic;
	margin-bottom: 30px;
}

.articulo-meta-autor {
	border-top: 1px solid #eee;
	border-bottom: 1px solid #eee;
	padding: 15px 0;
	color: #666;
	font-size: 14px;
	display: flex;
	justify-content: space-between;
}

.cuerpo-articulo {
	font-family: var(--font-serif);
	font-size: 19px;
	line-height: 1.8;
	color: #2D3748;
}

.cuerpo-articulo p {
	margin-bottom: 24px;
}

.cuerpo-articulo h2 {
	font-family: var(--font-sans);
	font-size: 26px;
	margin-top: 40px;
	margin-bottom: 20px;
	color: #111;
}

.cuerpo-articulo a {
	color: var(--color-primary);
	text-decoration: underline;
	text-decoration-thickness: 2px;
	text-underline-offset: 2px;
}

.cuerpo-articulo a:hover {
	color: var(--color-primary-dark);
	background-color: #EFF6FF;
}

/* Footer */
footer {
	background-color: #111827;
	color: #9CA3AF;
	padding: 60px 0;
	margin-top: 80px;
}

.footer-content {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 20px;
	text-align: center;
}

.footer-brand {
	color: white;
	font-family: var(--font-serif);
	font-size: 24px;
	font-weight: bold;
	margin-bottom: 15px;
	display: block;
}

.footer-links {
	margin: 20px 0;
}

.footer-links a {
	color: #D1D5DB;
	text-decoration: none;
	margin: 0 10px;
	font-size: 14px;
}

.footer-links a:hover {
	color: white;
	text-decoration: underline;
}

/* Responsividad */
@media (max-width: 768px) {
	.header-container {
		height: auto;
		flex-direction: column;
		padding: 15px 20px;
		gap: 15px;
	}

	.contenedor-grid-fichas {
		grid-template-columns: 1fr;
	}

	.articulo-contenedor {
		padding: 30px 20px;
	}

	.articulo-titulo {
		font-size: 32px;
	}

	.menu-principal {
		flex-wrap: wrap;
		justify-content: center;
	}
}