/* ==========================================================================
   Máster Big Data UPO — main.css
   Tokens · Reset · Tipografía · Layout · Header · Footer · Componentes
   Mobile-first. Desktop es la referencia artística; móvil conserva el mismo ADN.
   ========================================================================== */

/* --------------------------------------------------------------------------
   0. Tipografías self-hosted (Fase 7)
   Inter y Source Serif 4 (ambas SIL Open Font License 1.1; licencias en assets/fonts/),
   WOFF2 variables con el subconjunto latin, servidas desde el theme. Sin peticiones a Google Fonts.
   Las fuentes "… Fallback" ajustan las métricas de Arial/Georgia a la fuente web
   (size-adjust, ascent/descent) para que el intercambio de fuente no desplace el layout (CLS).
   Sin preload: se descubren desde este archivo (decisión medida en la Fase 7, ver inc/enqueue.php).
   -------------------------------------------------------------------------- */
@font-face {
	font-family: "Inter";
	font-style: normal;
	font-weight: 400 700;
	font-display: swap;
	src: url("../fonts/inter-latin-var.woff2") format("woff2");
	unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
	font-family: "Source Serif 4";
	font-style: normal;
	font-weight: 500 700;
	font-display: swap;
	src: url("../fonts/source-serif-4-latin-var.woff2") format("woff2");
	unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
	font-family: "Inter Fallback";
	src: local("Arial");
	size-adjust: 107.48%;
	ascent-override: 90.14%;
	descent-override: 22.44%;
	line-gap-override: 0%;
}

@font-face {
	font-family: "Source Serif 4 Fallback";
	src: local("Georgia");
	size-adjust: 101.71%;
	ascent-override: 101.86%;
	descent-override: 32.94%;
	line-gap-override: 0%;
}

/* --------------------------------------------------------------------------
   1. Tokens
   -------------------------------------------------------------------------- */
:root {
	/* Color institucional UPO */
	--upo-blue:   #003772;
	--upo-yellow: #fcc100;

	/* Azules derivados del azul UPO */
	--c-navy-950: #00122a;
	--c-navy-900: #001d42;
	--c-navy-800: #002a58;
	--c-navy-700: #003772;
	--c-blue-600: #0f4a8f;
	--c-blue-500: #1f63b3;
	--c-blue-200: #bcd0ea;
	--c-blue-100: #dde8f5;
	--c-blue-50:  #eef3fa;

	/* Amarillo UPO (acento) */
	--c-gold-600: #d9a600;
	--c-gold-500: #fcc100;
	--c-gold-300: #ffd84d;
	--c-gold-100: #fff3c2;

	/* Neutros */
	--c-white:    #ffffff;
	--c-gray-50:  #f5f7fa;
	--c-gray-100: #eceff4;
	--c-gray-200: #dbe1ea;
	--c-gray-300: #c2cbd8;
	--c-gray-500: #66788f;
	--c-gray-700: #3b4757;
	--c-ink:      #0d1a2c;

	/* Estados del formulario (contraste ≥ 4,5:1 sobre blanco) */
	--c-error:    #b3261e;
	--c-success:  #1b6e3a;

	/* Semánticos por contexto (se redefinen en secciones oscuras) */
	--bg:          var(--c-white);
	--fg:          var(--c-ink);
	--fg-muted:    var(--c-gray-700);
	--fg-soft:     var(--c-gray-500);
	--accent:      var(--c-navy-700);
	--accent-soft: var(--c-blue-50);
	--line:        var(--c-gray-200);
	--line-strong: var(--c-gray-300);
	--surface:     var(--c-white);
	--surface-alt: var(--c-gray-50);

	/* Tipografía */
	--font-sans:    "Inter", "Inter Fallback", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
	--font-display: "Source Serif 4", "Source Serif 4 Fallback", Georgia, "Times New Roman", serif;

	/* Escala tipográfica */
	--fs-xs:      0.8125rem;
	--fs-sm:      0.9375rem;
	--fs-base:    1.0625rem;
	--fs-md:      1.1875rem;
	--fs-lg:      clamp(1.15rem, 1.05rem + 0.45vw, 1.35rem);
	--fs-h3:      clamp(1.2rem, 1.08rem + 0.55vw, 1.5rem);
	--fs-h2:      clamp(1.9rem, 1.35rem + 1.9vw, 3.1rem);
	--fs-h1:      clamp(2.5rem, 1.6rem + 3.8vw, 4.8rem);
	--fs-display: clamp(3rem, 2rem + 4.4vw, 5.6rem);

	--lh-tight: 1.04;
	--lh-snug:  1.18;
	--lh-body:  1.65;

	--tracking-label: 0.14em;

	/* Espaciado — aire ~20-25 % superior al mockup, con secciones más compactas que en Fase 5 */
	--space-1: 0.5rem;
	--space-2: 1rem;
	--space-3: 1.5rem;
	--space-4: 2rem;
	--space-5: 3rem;
	--space-6: 4rem;
	--space-7: 6rem;
	--space-section: clamp(4.5rem, 3.5rem + 4vw, 7.5rem);
	--space-header:  clamp(2.5rem, 2rem + 2vw, 4rem);

	/* Layout */
	--container: 1320px;
	--container-narrow: 820px;
	--gutter: clamp(1rem, 4vw, 3rem);
	--header-h: 76px;

	--radius-sm: 6px;
	--radius:    14px;
	--radius-lg: 24px;
	--radius-xl: 32px;

	--shadow-sm: 0 1px 2px rgba(0, 18, 42, 0.06), 0 2px 10px rgba(0, 18, 42, 0.06);
	--shadow-md: 0 12px 32px rgba(0, 18, 42, 0.14);
	--shadow-lg: 0 28px 64px rgba(0, 18, 42, 0.28);

	--ease: cubic-bezier(0.22, 1, 0.36, 1);
	--dur: 220ms;

	color-scheme: light;
}

/* Contextos oscuros */
.section--dark,
.section--deep,
.hero,
.key-facts,
.site-footer,
.site-header,
.site-nav {
	--bg:          var(--c-navy-900);
	--fg:          var(--c-white);
	--fg-muted:    rgba(255, 255, 255, 0.8);
	--fg-soft:     rgba(255, 255, 255, 0.6);
	--accent:      var(--c-gold-500);
	--accent-soft: rgba(252, 193, 0, 0.12);
	--line:        rgba(255, 255, 255, 0.12);
	--line-strong: rgba(255, 255, 255, 0.24);
	--surface:     var(--c-navy-800);
	--surface-alt: rgba(255, 255, 255, 0.04);
}

.section--deep,
.site-footer {
	--bg: var(--c-navy-950);
}

/* --------------------------------------------------------------------------
   2. Reset ligero
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
	box-sizing: border-box;
}

html {
	-webkit-text-size-adjust: 100%;
	scroll-behavior: smooth;
}

body {
	margin: 0;
	font-family: var(--font-sans);
	font-size: var(--fs-base);
	line-height: var(--lh-body);
	color: var(--fg);
	background: var(--bg);
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
	overflow-x: hidden;
}

img,
svg,
video {
	display: block;
	max-width: 100%;
	height: auto;
}

h1, h2, h3, h4, p, ul, ol, dl, dd, figure, blockquote {
	margin: 0;
}

ul[role="list"],
ol[role="list"] {
	list-style: none;
	padding: 0;
}

a {
	color: var(--accent);
	text-decoration-thickness: 1px;
	text-underline-offset: 0.16em;
}

button {
	font: inherit;
	color: inherit;
}

:focus-visible {
	outline: 3px solid var(--c-gold-500);
	outline-offset: 3px;
	border-radius: 4px;
}

[id] {
	scroll-margin-top: calc(var(--header-h) + 1rem);
}

@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}
	*,
	*::before,
	*::after {
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.01ms !important;
	}
}

/* --------------------------------------------------------------------------
   3. Tipografía
   -------------------------------------------------------------------------- */
h1, h2, h3, h4 {
	font-weight: 600;
	line-height: var(--lh-snug);
	color: var(--fg);
	overflow-wrap: break-word;
}

h1 { font-size: var(--fs-h1); line-height: var(--lh-tight); }
h2 { font-size: var(--fs-h2); font-family: var(--font-display); line-height: 1.08; letter-spacing: -0.01em; }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-md); }

.eyebrow {
	display: inline-flex;
	align-items: center;
	gap: 0.6rem;
	font-size: var(--fs-xs);
	font-weight: 600;
	letter-spacing: var(--tracking-label);
	text-transform: uppercase;
	color: var(--accent);
	margin-bottom: var(--space-3);
}

.eyebrow::before {
	content: "";
	width: 28px;
	height: 2px;
	background: var(--c-gold-500);
	flex: 0 0 auto;
}

.eyebrow--gold {
	color: var(--c-gold-500);
}

.label {
	font-size: var(--fs-xs);
	font-weight: 600;
	letter-spacing: var(--tracking-label);
	text-transform: uppercase;
	color: var(--fg-soft);
}

.screen-reader-text {
	position: absolute !important;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.prose > * + * {
	margin-top: 1em;
}

/* --------------------------------------------------------------------------
   4. Layout
   -------------------------------------------------------------------------- */
.container {
	width: 100%;
	max-width: var(--container);
	margin-inline: auto;
	padding-inline: var(--gutter);
}

.container--narrow {
	max-width: var(--container-narrow);
}

.container--wide {
	max-width: calc(var(--container-narrow) + 220px);
}

.section {
	position: relative;
	padding-block: var(--space-section);
	background: var(--bg);
	color: var(--fg);
}

.section--soft {
	--bg: var(--c-gray-50);
}

/* Cabecera de sección: móvil apilada; desktop título a la izquierda, entradilla + frase a la derecha */
.section__header {
	display: grid;
	gap: var(--space-3);
	margin-bottom: var(--space-header);
}

.section__heading {
	max-width: 800px;
}

.section__title {
	margin-bottom: 0;
	max-width: 22ch;
}

.section__intro {
	display: grid;
	gap: var(--space-3);
}

.section__lead {
	font-size: var(--fs-lg);
	line-height: 1.55;
	color: var(--fg-muted);
	max-width: 62ch;
}

.section__aside {
	font-size: var(--fs-xs);
	font-weight: 600;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	line-height: 1.7;
	color: var(--fg-soft);
	padding-left: var(--space-2);
	border-left: 2px solid var(--c-gold-500);
	max-width: 260px;
}

@media (min-width: 1024px) {
	.section__header {
		grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
		align-items: end;
		gap: var(--space-6);
	}
	.section__heading {
		max-width: none;
	}
	.section__intro {
		padding-bottom: 0.35rem;
	}
	.section__aside {
		justify-self: end;
		text-align: right;
		padding-left: 0;
		padding-right: var(--space-2);
		border-left: 0;
		border-right: 2px solid var(--c-gold-500);
	}
}

/* Hilo narrativo de THE DATA LINE (línea corta que entra por arriba en secciones oscuras) */
.thread {
	position: absolute;
	left: 50%;
	top: 0;
	width: 2px;
	height: 64px;
	margin-left: -1px;
	background: linear-gradient(180deg, var(--c-gold-500), rgba(252, 193, 0, 0));
	pointer-events: none;
	z-index: 1;
}

/* --------------------------------------------------------------------------
   5. Componentes: botones, enlaces, iconos, placeholders, details
   -------------------------------------------------------------------------- */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.6rem;
	min-height: 54px;
	padding: 0.9rem 1.75rem;
	border-radius: 999px;
	font-weight: 600;
	font-size: var(--fs-sm);
	line-height: 1.2;
	text-decoration: none;
	border: 1.5px solid transparent;
	cursor: pointer;
	transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
	white-space: nowrap;
}

.btn__icon {
	width: 18px;
	height: 18px;
	transition: transform var(--dur) var(--ease);
}

.btn:hover .btn__icon {
	transform: translateX(3px);
}

.btn--primary {
	background: var(--c-gold-500);
	color: var(--c-navy-950);
	border-color: var(--c-gold-500);
	box-shadow: 0 8px 22px rgba(252, 193, 0, 0.28);
}

.btn--primary:hover {
	background: var(--c-gold-300);
	border-color: var(--c-gold-300);
	transform: translateY(-1px);
}

.btn--ghost {
	background: rgba(0, 18, 42, 0.25);
	color: var(--c-white);
	border-color: rgba(255, 255, 255, 0.5);
}

.btn--ghost:hover {
	border-color: var(--c-white);
	background: rgba(255, 255, 255, 0.1);
}

/* Variante para fondos claros */
.btn--outline {
	background: transparent;
	color: var(--c-navy-700);
	border-color: var(--c-navy-700);
}

.btn--outline:hover {
	background: var(--c-navy-700);
	color: var(--c-white);
	transform: translateY(-1px);
}

.btn--sm {
	min-height: 44px;
	padding: 0.6rem 1.2rem;
	font-size: var(--fs-xs);
}

.btn--block {
	width: 100%;
}

.link-arrow {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
	font-weight: 600;
	color: var(--accent);
}

.icon {
	width: 24px;
	height: 24px;
	flex: 0 0 auto;
}

.icon--inline {
	width: 16px;
	height: 16px;
	display: inline-block;
	vertical-align: -3px;
}

.logo-upo {
	display: block;
	height: auto;
}

/* Placeholders de imagen (hasta disponer de fotografía real) */
.ph {
	position: relative;
	display: grid;
	place-items: center;
	overflow: hidden;
	background-color: var(--c-navy-800);
	background-image:
		linear-gradient(135deg, rgba(255, 255, 255, 0.035) 0 12.5%, transparent 12.5% 25%),
		radial-gradient(circle at 30% 35%, rgba(31, 99, 179, 0.55), transparent 55%),
		radial-gradient(circle at 78% 72%, rgba(252, 193, 0, 0.16), transparent 50%),
		linear-gradient(160deg, var(--c-navy-700), var(--c-navy-950));
	background-size: 28px 28px, 100% 100%, 100% 100%, 100% 100%;
	color: var(--c-gold-300);
}

.ph__token {
	font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
	font-size: 0.78rem;
	letter-spacing: 0.04em;
	padding: 0.4rem 0.75rem;
	border: 1px dashed currentColor;
	border-radius: 6px;
	background: rgba(0, 18, 42, 0.55);
	max-width: 90%;
	text-align: center;
	overflow-wrap: anywhere;
}

.ph--portrait {
	width: 104px;
	height: 104px;
	border-radius: 50%;
	border: 3px solid rgba(255, 255, 255, 0.12);
}

.ph--portrait .ph__token {
	font-size: 0.5rem;
	padding: 0.2rem 0.3rem;
}

/* Details/summary (progressive disclosure) */
.disclosure {
	border-top: 1px solid var(--line);
	border-bottom: 1px solid var(--line);
}

.disclosure__summary {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--space-2);
	padding: 1.1rem 0;
	cursor: pointer;
	list-style: none;
	font-weight: 600;
	color: var(--fg);
}

.disclosure__summary::-webkit-details-marker {
	display: none;
}

.disclosure__toggle {
	display: grid;
	place-items: center;
	flex: 0 0 auto;
	width: 40px;
	height: 40px;
	border-radius: 50%;
	background: var(--accent-soft);
	color: var(--accent);
	transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.disclosure[open] .disclosure__toggle {
	transform: rotate(45deg);
	background: var(--c-gold-500);
	color: var(--c-navy-950);
}

.disclosure__body {
	padding-bottom: var(--space-4);
}

/* --------------------------------------------------------------------------
   6. Skip link
   -------------------------------------------------------------------------- */
.skip-link {
	position: absolute;
	left: 1rem;
	top: -100px;
	z-index: 1000;
	padding: 0.75rem 1rem;
	background: var(--c-gold-500);
	color: var(--c-navy-950);
	font-weight: 600;
	border-radius: var(--radius-sm);
	text-decoration: none;
}

.skip-link:focus {
	top: 1rem;
}

/* --------------------------------------------------------------------------
   7. Header
   -------------------------------------------------------------------------- */
.site-header {
	position: sticky;
	top: 0;
	z-index: 100;
	background: rgba(0, 18, 42, 0.88);
	color: var(--c-white);
	border-bottom: 1px solid rgba(255, 255, 255, 0.08);
	transition: background-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.site-header.is-scrolled {
	background: rgba(0, 18, 42, 0.98);
	box-shadow: 0 4px 24px rgba(0, 0, 0, 0.28);
}

.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--space-2);
	min-height: var(--header-h);
}

.brand {
	display: inline-flex;
	align-items: center;
	gap: 0.75rem;
	color: var(--c-white);
	text-decoration: none;
	flex: 0 0 auto;
	min-width: 0;
}

.brand__logo {
	height: 40px;
	width: auto;
	flex: 0 0 auto;
}

.brand__divider {
	width: 1px;
	height: 32px;
	background: rgba(255, 255, 255, 0.22);
	flex: 0 0 auto;
}

.brand__master {
	display: grid;
	line-height: 1.15;
	font-size: 0.62rem;
	font-weight: 600;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: rgba(255, 255, 255, 0.86);
	white-space: nowrap;
}

.brand__master-line2 {
	color: var(--c-gold-300);
}

.site-header__actions {
	display: flex;
	align-items: center;
	gap: var(--space-2);
}

.site-header__cta {
	display: none;
}

.nav-toggle {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	min-height: 44px;
	min-width: 44px;
	padding: 0.5rem 0.8rem;
	background: transparent;
	border: 1px solid rgba(255, 255, 255, 0.28);
	border-radius: 999px;
	color: var(--c-white);
	cursor: pointer;
}

.nav-toggle__label {
	font-size: var(--fs-xs);
	font-weight: 600;
	letter-spacing: 0.06em;
	text-transform: uppercase;
}

.nav-toggle__close {
	display: none;
}

.nav-open .nav-toggle__open {
	display: none;
}

.nav-open .nav-toggle__close {
	display: block;
}

/* Navegación: panel móvil */
.site-nav {
	position: fixed;
	inset: var(--header-h) 0 0 0;
	z-index: 99;
	display: flex;
	flex-direction: column;
	justify-content: space-between;
	padding: var(--space-4) var(--gutter) var(--space-5);
	background: var(--c-navy-950);
	color: var(--c-white);
	overflow-y: auto;
	transform: translateX(100%);
	visibility: hidden;
	transition: transform 280ms var(--ease), visibility 0s linear 280ms;
}

.nav-open .site-nav {
	transform: translateX(0);
	visibility: visible;
	transition: transform 280ms var(--ease), visibility 0s;
}

.nav-open {
	overflow: hidden;
}

.site-nav__list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	gap: 0.25rem;
}

.site-nav__list a {
	display: block;
	padding: 0.95rem 0.25rem;
	font-size: var(--fs-md);
	font-weight: 500;
	color: var(--c-white);
	text-decoration: none;
	border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-nav__list a:hover {
	color: var(--c-gold-300);
}

.site-nav__cta {
	margin-top: var(--space-4);
}

.site-nav__cta .btn {
	width: 100%;
}

@media (max-width: 479px) {
	.site-header__inner {
		gap: 0.5rem;
	}
	.brand {
		gap: 0.55rem;
	}
	.brand__logo {
		height: 36px;
	}
	.brand__master {
		font-size: 0.56rem;
	}
	.nav-toggle {
		padding: 0.5rem 0.65rem;
	}
}

@media (min-width: 768px) {
	.site-header__cta {
		display: inline-flex;
	}
	.brand__logo {
		height: 44px;
	}
}

@media (min-width: 1200px) {
	.nav-toggle {
		display: none;
	}

	.site-nav {
		position: static;
		inset: auto;
		display: flex;
		flex-direction: row;
		justify-content: center;
		padding: 0;
		background: transparent;
		transform: none;
		visibility: visible;
		overflow: visible;
		transition: none;
		flex: 1 1 auto;
	}

	.site-nav__list {
		display: flex;
		align-items: center;
		gap: 0.1rem;
	}

	.site-nav__list a {
		padding: 0.5rem 0.7rem;
		font-size: var(--fs-xs);
		font-weight: 500;
		letter-spacing: 0.02em;
		white-space: nowrap;
		border-bottom: 0;
		border-radius: 999px;
		transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
	}

	.site-nav__list a:hover {
		background: rgba(255, 255, 255, 0.08);
		color: var(--c-white);
	}

	.site-nav__cta {
		display: none;
	}
}

/* Entre 1200 y 1439 el menú horizontal necesita el espacio: solo el logotipo oficial */
@media (min-width: 1200px) and (max-width: 1439px) {
	.brand__divider,
	.brand__master {
		display: none;
	}
}

@media (min-width: 1440px) {
	.site-nav__list a {
		padding: 0.5rem 0.9rem;
		font-size: var(--fs-sm);
	}
}

/* --------------------------------------------------------------------------
   8. Footer
   -------------------------------------------------------------------------- */
.site-footer {
	background: var(--c-navy-950);
	color: var(--c-white);
	padding-block: var(--space-6) var(--space-4);
	border-top: 4px solid var(--c-gold-500);
}

.site-footer__grid {
	display: grid;
	gap: var(--space-5);
}

.site-footer__logo {
	margin-bottom: var(--space-3);
}

.site-footer__logo-img {
	height: 58px;
	width: auto;
}

.site-footer__master {
	display: flex;
	align-items: center;
	gap: 0.65rem;
	font-weight: 600;
	color: var(--c-gold-300);
}

.site-footer__mbda {
	width: 26px;
	height: 32px;
	flex: 0 0 auto;
	opacity: 0.95;
}

.site-footer__type {
	font-size: var(--fs-sm);
	color: var(--fg-muted);
	margin-top: 0.5rem;
	max-width: 38ch;
}

.site-footer__address {
	display: flex;
	align-items: flex-start;
	gap: 0.5rem;
	font-style: normal;
	font-size: var(--fs-sm);
	color: var(--fg-muted);
	margin-top: var(--space-3);
}

.site-footer__address .icon {
	color: var(--c-gold-500);
	width: 20px;
	height: 20px;
}

.site-footer__contact {
	display: grid;
	gap: 0;
	margin-top: var(--space-2);
	font-size: var(--fs-xs);
	color: var(--fg-soft);
}

/* Enlaces de contacto: objetivo táctil ≥ 24 px y subrayado tenue (distinguibles del texto contiguo sin depender del color) */
.site-footer__contact a {
	display: inline-block;
	padding-block: 0.45rem;
	color: var(--fg-muted);
	text-decoration: underline;
	text-decoration-color: rgba(255, 255, 255, 0.35);
	text-underline-offset: 0.18em;
}

.site-footer__contact a:hover {
	color: var(--c-white);
	text-decoration-color: currentColor;
}

.site-footer__heading {
	font-size: var(--fs-xs);
	font-weight: 700;
	letter-spacing: var(--tracking-label);
	text-transform: uppercase;
	color: var(--c-gold-500);
	margin-bottom: var(--space-2);
}

.site-footer__list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	gap: 0;
}

/* Cada enlace ocupa ≥ 44 px de alto (objetivo táctil), sin cambiar el aspecto */
.site-footer__list a {
	display: inline-block;
	padding-block: 0.6rem;
	color: var(--fg-muted);
	text-decoration: none;
	font-size: var(--fs-sm);
}

.site-footer__list a:hover {
	color: var(--c-white);
	text-decoration: underline;
}

.site-footer__cta p {
	font-size: var(--fs-sm);
	color: var(--fg-muted);
	margin-bottom: var(--space-3);
}

.site-footer__bottom {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	gap: var(--space-2);
	margin-top: var(--space-6);
	padding-top: var(--space-3);
	border-top: 1px solid rgba(255, 255, 255, 0.1);
	font-size: var(--fs-xs);
	color: var(--fg-soft);
}

.site-footer__tag {
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--c-gold-300);
}

@media (min-width: 768px) {
	.site-footer__grid {
		grid-template-columns: 1.4fr 1fr 1fr;
	}
	.site-footer__cta {
		grid-column: 1 / -1;
	}
}

@media (min-width: 1024px) {
	.site-footer__grid {
		grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
		gap: var(--space-6);
	}
	.site-footer__cta {
		grid-column: auto;
	}
}

/* --------------------------------------------------------------------------
   9. Sticky CTA móvil
   -------------------------------------------------------------------------- */
.sticky-cta {
	position: fixed;
	left: 0;
	right: 0;
	bottom: 0;
	z-index: 90;
	padding: 0.75rem var(--gutter);
	padding-bottom: calc(0.75rem + env(safe-area-inset-bottom));
	background: rgba(0, 18, 42, 0.96);
	color: var(--c-white);
	border-top: 1px solid rgba(255, 255, 255, 0.12);
	transform: translateY(100%);
	transition: transform 260ms var(--ease);
}

.sticky-cta[hidden] {
	display: none;
}

.sticky-cta.is-visible {
	transform: translateY(0);
}

.has-sticky-cta {
	padding-bottom: 76px;
}

.sticky-cta__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--space-2);
	max-width: var(--container);
	margin-inline: auto;
}

.sticky-cta__text {
	font-size: var(--fs-xs);
	color: var(--fg-muted);
	line-height: 1.3;
}

.sticky-cta__text strong {
	color: var(--c-white);
	display: block;
}

@media (min-width: 1024px) {
	.sticky-cta {
		display: none !important;
	}
}

/* --------------------------------------------------------------------------
   10. Páginas genéricas (legales, blog): lectura cómoda, misma identidad
   -------------------------------------------------------------------------- */
.entry__title {
	font-family: var(--font-display);
	font-size: var(--fs-h2);
	line-height: 1.1;
	margin-bottom: var(--space-4);
}

.prose {
	font-size: var(--fs-base);
	line-height: var(--lh-body);
	color: var(--fg);
}

.prose > * + * {
	margin-top: 1em;
}

.prose h2,
.prose h3,
.prose h4 {
	margin-top: 2em;
	line-height: 1.25;
	color: var(--c-navy-900);
}

.prose h2 {
	font-size: var(--fs-h3);
}

.prose h3 {
	font-size: var(--fs-lg);
}

.prose h4 {
	font-size: var(--fs-md);
}

.prose ul,
.prose ol {
	padding-left: 1.4rem;
}

.prose li + li {
	margin-top: 0.4em;
}

.prose a {
	color: var(--c-navy-700);
	text-decoration: underline;
	overflow-wrap: anywhere;
}

.prose table {
	width: 100%;
	border-collapse: collapse;
	font-size: var(--fs-sm);
}

.prose th,
.prose td {
	padding: 0.6rem 0.75rem;
	border: 1px solid var(--line);
	text-align: left;
	vertical-align: top;
}

.prose blockquote {
	padding-left: var(--space-3);
	border-left: 3px solid var(--c-gold-500);
	color: var(--fg-muted);
}

.prose .entry__source {
	margin-top: var(--space-5);
	padding-top: var(--space-3);
	border-top: 1px solid var(--line);
	font-size: var(--fs-xs);
	color: var(--fg-soft);
}

.entry__back {
	margin-top: var(--space-6);
}

/* --------------------------------------------------------------------------
   11. Tarjeta de artículo del blog (HOME, listado, relacionados)
   -------------------------------------------------------------------------- */
.post-card {
	display: flex;
	flex-direction: column;
	background: var(--c-white);
	border: 1px solid var(--c-gray-200);
	border-radius: var(--radius-lg);
	overflow: hidden;
	transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
	color: var(--c-ink);
}

.post-card:hover {
	transform: translateY(-3px);
	box-shadow: 0 18px 40px rgba(0, 29, 66, 0.12);
}

.post-card__media {
	display: block;
	aspect-ratio: 16 / 9;
	background: var(--c-navy-900);
	overflow: hidden;
}

.post-card__img,
.post-card__placeholder {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 600ms var(--ease);
}

.post-card:hover .post-card__img {
	transform: scale(1.03);
}

.post-card__placeholder {
	background: radial-gradient(120% 90% at 80% 20%, var(--c-blue-600), var(--c-navy-900));
}

.post-card__body {
	display: flex;
	flex-direction: column;
	flex: 1;
	gap: 0.7rem;
	padding: var(--space-3) var(--space-3) var(--space-4);
}

.post-card__meta {
	display: flex;
	flex-wrap: wrap;
	gap: 0.35rem 0.75rem;
	font-size: var(--fs-xs);
	color: var(--c-gray-500);
}

.post-card__cat {
	font-weight: 600;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--c-navy-700);
}

.post-card__title {
	font-family: var(--font-display);
	font-size: var(--fs-h3);
	font-weight: 600;
	line-height: 1.2;
	color: var(--c-navy-900);
}

.post-card__title a {
	color: inherit;
	text-decoration: none;
}

.post-card__title a:hover {
	text-decoration: underline;
	text-decoration-color: var(--c-gold-500);
	text-underline-offset: 4px;
}

.post-card__excerpt {
	color: var(--c-gray-700);
	font-size: var(--fs-sm);
	line-height: var(--lh-body);
}

.post-card__more {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	margin-top: auto;
	padding-top: 0.5rem;
	font-weight: 600;
	font-size: var(--fs-sm);
	color: var(--c-navy-700);
	text-decoration: none;
}

.post-card__arrow {
	width: 18px;
	height: 18px;
	transition: transform var(--dur) var(--ease);
}

.post-card__more:hover .post-card__arrow {
	transform: translateX(3px);
}