/**
 * AI Starter Child Theme - Design System & Base Styles
 * Vanilla CSS modular con variables personalizables y rendimiento óptimo.
 */

:root {
	/* Paleta de Colores Principal */
	--color-primary: #2563eb;
	--color-primary-hover: #1d4ed8;
	--color-primary-light: #eff6ff;
	--color-secondary: #0f172a;
	--color-secondary-hover: #1e293b;
	--color-accent: #06b6d4;

	/* Escala de Neutros / Superficies */
	--color-text: #1e293b;
	--color-text-muted: #64748b;
	--color-text-inverse: #ffffff;
	--color-bg: #ffffff;
	--color-bg-alt: #f8fafc;
	--color-surface: #ffffff;
	--color-border: #e2e8f0;
	--color-border-light: #f1f5f9;

	/* Tipografía */
	--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
	--font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

	/* Espaciados y Dimensiones */
	--container-max: 1200px;
	--container-padding: 1.5rem;
	--header-height: 4.5rem;

	/* Bordes y Sombras */
	--radius-sm: 6px;
	--radius-md: 10px;
	--radius-lg: 16px;
	--radius-full: 9999px;

	--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
	--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
	--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);

	/* Transiciones */
	--transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   Reset y Base Semántica
   ========================================================================== */
*, *::before, *::after {
	box-sizing: border-box;
}

html {
	font-family: var(--font-sans);
	line-height: 1.6;
	-webkit-text-size-adjust: 100%;
	color: var(--color-text);
	background-color: var(--color-bg);
	scroll-behavior: smooth;
}

body {
	margin: 0;
	display: flex;
	flex-direction: column;
	min-height: 100vh;
}

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

a {
	color: var(--color-primary);
	text-decoration: none;
	transition: var(--transition);
}

a:hover, a:focus {
	color: var(--color-primary-hover);
}

h1, h2, h3, h4, h5, h6 {
	color: var(--color-secondary);
	line-height: 1.25;
	margin-top: 0;
	margin-bottom: 1rem;
	font-weight: 700;
}

p {
	margin-top: 0;
	margin-bottom: 1.25rem;
}

/* Accesibilidad Skip Link & Screen Reader */
.screen-reader-text {
	border: 0;
	clip: rect(1px, 1px, 1px, 1px);
	clip-path: inset(50%);
	height: 1px;
	margin: -1px;
	overflow: hidden;
	padding: 0;
	position: absolute !important;
	width: 1px;
	word-wrap: normal !important;
}

.skip-link:focus {
	background-color: var(--color-primary);
	border-radius: var(--radius-sm);
	clip: auto !important;
	clip-path: none;
	color: #fff;
	display: block;
	font-size: 0.875rem;
	font-weight: 700;
	height: auto;
	left: 1rem;
	padding: 0.75rem 1.25rem;
	position: fixed !important;
	top: 1rem;
	width: auto;
	z-index: 100000;
	text-decoration: none;
	box-shadow: var(--shadow-lg);
}

/* ==========================================================================
   Alineaciones de WordPress y Bloques Gutenberg
   ========================================================================== */
.alignleft {
	float: left;
	margin-right: 1.5rem;
	margin-bottom: 1.5rem;
}

.alignright {
	float: right;
	margin-left: 1.5rem;
	margin-bottom: 1.5rem;
}

.aligncenter {
	clear: both;
	display: block;
	margin-left: auto;
	margin-right: auto;
	margin-bottom: 1.5rem;
}

.alignwide {
	max-width: 1320px;
	margin-left: auto;
	margin-right: auto;
}

.alignfull {
	width: 100vw;
	max-width: 100vw;
	margin-left: calc(50% - 50vw);
	margin-right: calc(50% - 50vw);
}

.wp-caption {
	margin-bottom: 1.5rem;
	max-width: 100%;
}

.wp-caption text,
.wp-caption-text {
	font-size: 0.85rem;
	color: var(--color-text-muted);
	padding-top: 0.5rem;
	text-align: center;
}

/* ==========================================================================
   Contenedores y Layouts
   ========================================================================== */
.ai-theme-container {
	width: 100%;
	max-width: var(--container-max);
	margin-left: auto;
	margin-right: auto;
	padding-left: var(--container-padding);
	padding-right: var(--container-padding);
}

.site-main {
	flex: 1 0 auto;
	padding-top: 2.5rem;
	padding-bottom: 3.5rem;
}

.site-layout-with-sidebar {
	display: grid;
	grid-template-columns: 1fr;
	gap: 2.5rem;
}

body.no-sidebar .site-layout-with-sidebar {
	grid-template-columns: 1fr;
}

body.no-sidebar .main-sidebar {
	display: none;
}

@media (min-width: 992px) {
	.site-layout-with-sidebar {
		grid-template-columns: minmax(0, 1fr) 300px;
	}
}

.ai-canvas-main {
	padding-top: 0;
	padding-bottom: 0;
	width: 100%;
}

/* ==========================================================================
   Cabecera del Sitio (Header)
   ========================================================================== */
.site-header {
	background: var(--color-surface);
	border-bottom: 1px solid var(--color-border);
	position: sticky;
	top: 0;
	z-index: 1000;
	box-shadow: var(--shadow-sm);
}

.site-header-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: var(--header-height);
	gap: 1.5rem;
}

.site-branding {
	display: flex;
	flex-direction: column;
	justify-content: center;
}

.custom-logo-link {
	display: inline-block;
	line-height: 0;
}

.custom-logo {
	max-height: 48px;
	width: auto;
	height: auto;
	display: block;
}

.site-title {
	font-size: 1.35rem;
	font-weight: 800;
	color: var(--color-secondary);
	letter-spacing: -0.02em;
}

.site-description {
	font-size: 0.8rem;
	color: var(--color-text-muted);
	margin: 0;
}

.header-nav-wrapper {
	display: flex;
	align-items: center;
	gap: 1.5rem;
}

.main-navigation ul {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	align-items: center;
	gap: 0.5rem;
}

.main-navigation ul li {
	position: relative;
}

.main-navigation a {
	display: block;
	padding: 0.5rem 0.85rem;
	color: var(--color-text);
	font-weight: 500;
	font-size: 0.95rem;
	border-radius: var(--radius-sm);
}

.main-navigation a:hover,
.main-navigation .current-menu-item > a {
	color: var(--color-primary);
	background-color: var(--color-primary-light);
}

/* Submenús desplegables accesibles */
.main-navigation ul ul {
	display: none;
	position: absolute;
	top: 100%;
	left: 0;
	z-index: 1000;
	min-width: 200px;
	background: var(--color-surface);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-sm);
	box-shadow: var(--shadow-md);
	padding: 0.5rem 0;
	flex-direction: column;
	align-items: stretch;
}

.main-navigation ul ul ul {
	top: 0;
	left: 100%;
}

.main-navigation ul li:hover > ul,
.main-navigation ul li.focus > ul {
	display: flex;
}

.main-navigation ul ul a {
	padding: 0.5rem 1rem;
	font-size: 0.875rem;
	border-radius: 0;
	white-space: nowrap;
}

.main-navigation ul ul a:hover,
.main-navigation ul ul .current-menu-item > a {
	background-color: var(--color-primary-light);
	color: var(--color-primary);
}

/* Botón Hamburger Móvil */
.menu-toggle {
	display: none;
	background: transparent;
	border: 1px solid var(--color-border);
	border-radius: var(--radius-sm);
	padding: 0.5rem;
	cursor: pointer;
	align-items: center;
	justify-content: center;
	width: 40px;
	height: 40px;
}

.hamburger-box {
	width: 20px;
	height: 14px;
	position: relative;
	display: inline-block;
}

.hamburger-inner,
.hamburger-inner::before,
.hamburger-inner::after {
	width: 20px;
	height: 2px;
	background-color: var(--color-secondary);
	position: absolute;
	transition: var(--transition);
	border-radius: 2px;
}

.hamburger-inner {
	top: 50%;
	transform: translateY(-50%);
}

.hamburger-inner::before {
	content: "";
	top: -6px;
}

.hamburger-inner::after {
	content: "";
	bottom: -6px;
}

.menu-toggle.is-active .hamburger-inner {
	background-color: transparent;
}

.menu-toggle.is-active .hamburger-inner::before {
	transform: translateY(6px) rotate(45deg);
}

.menu-toggle.is-active .hamburger-inner::after {
	transform: translateY(-6px) rotate(-45deg);
}

@media (max-width: 860px) {
	.menu-toggle {
		display: inline-flex;
	}

	.header-nav-wrapper {
		position: fixed;
		top: var(--header-height);
		left: 0;
		right: 0;
		background: var(--color-surface);
		border-bottom: 1px solid var(--color-border);
		box-shadow: var(--shadow-lg);
		flex-direction: column;
		align-items: stretch;
		padding: 1.5rem;
		gap: 1rem;
		display: none;
		max-height: calc(100vh - var(--header-height));
		overflow-y: auto;
	}

	.header-nav-wrapper.is-open {
		display: flex;
	}

	.main-navigation ul {
		flex-direction: column;
		align-items: stretch;
		gap: 0.25rem;
	}

	.main-navigation a {
		padding: 0.75rem 1rem;
		font-size: 1rem;
	}

	.header-actions {
		padding-top: 0.5rem;
		border-top: 1px solid var(--color-border);
	}

	.header-cta {
		display: block;
		text-align: center;
		width: 100%;
	}
}

/* ==========================================================================
   Botones
   ========================================================================== */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 0.625rem 1.25rem;
	font-weight: 600;
	font-size: 0.95rem;
	border-radius: var(--radius-md);
	border: 1px solid transparent;
	cursor: pointer;
	transition: var(--transition);
	line-height: 1.4;
	text-decoration: none;
}

.btn-primary {
	background-color: var(--color-primary);
	color: #ffffff;
}

.btn-primary:hover, .btn-primary:focus {
	background-color: var(--color-primary-hover);
	color: #ffffff;
	transform: translateY(-1px);
	box-shadow: var(--shadow-md);
}

.btn-secondary {
	background-color: var(--color-bg);
	border-color: var(--color-border);
	color: var(--color-secondary);
}

.btn-secondary:hover, .btn-secondary:focus {
	background-color: var(--color-bg-alt);
	border-color: var(--color-secondary);
	color: var(--color-secondary);
}

.btn-sm {
	padding: 0.4rem 0.85rem;
	font-size: 0.875rem;
}

.btn-lg {
	padding: 0.85rem 1.75rem;
	font-size: 1.05rem;
}

/* ==========================================================================
   Artículos, Blog y Grid
   ========================================================================== */
.posts-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 2rem;
}

@media (min-width: 640px) {
	.posts-grid {
		grid-template-columns: repeat(2, 1fr);
	}
}

.entry-card {
	background: var(--color-surface);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-lg);
	overflow: hidden;
	display: flex;
	flex-direction: column;
	transition: var(--transition);
}

.entry-card:hover {
	transform: translateY(-3px);
	box-shadow: var(--shadow-lg);
	border-color: var(--color-primary-light);
}

.entry-thumbnail-wrapper img {
	width: 100%;
	height: 220px;
	object-fit: cover;
}

.entry-body {
	padding: 1.5rem;
	display: flex;
	flex-direction: column;
	flex: 1 0 auto;
}

.entry-title {
	font-size: 1.35rem;
	margin-bottom: 0.5rem;
}

.entry-title a {
	color: var(--color-secondary);
}

.entry-title a:hover {
	color: var(--color-primary);
}

.entry-meta {
	font-size: 0.85rem;
	color: var(--color-text-muted);
	margin-bottom: 1rem;
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
}

.entry-summary {
	color: var(--color-text-muted);
	font-size: 0.95rem;
	flex: 1 0 auto;
	margin-bottom: 1.25rem;
}

.read-more-link {
	font-weight: 600;
	font-size: 0.9rem;
}

/* Single Post y Páginas */
.entry-single .entry-header,
.entry-page .entry-header {
	margin-bottom: 2rem;
}

.entry-single .entry-title,
.entry-page .entry-title {
	font-size: 2.5rem;
	letter-spacing: -0.02em;
}

.entry-featured-image {
	margin-top: 1.5rem;
	margin-bottom: 2rem;
	border-radius: var(--radius-lg);
	overflow: hidden;
}

.entry-content {
	font-size: 1.1rem;
	line-height: 1.75;
}

.entry-content h2 {
	margin-top: 2rem;
	font-size: 1.75rem;
}

.entry-content h3 {
	margin-top: 1.75rem;
	font-size: 1.35rem;
}

.entry-content ul, .entry-content ol {
	padding-left: 1.5rem;
	margin-bottom: 1.5rem;
}

.entry-content blockquote {
	border-left: 4px solid var(--color-primary);
	margin: 1.5rem 0;
	padding: 0.75rem 1.5rem;
	background: var(--color-primary-light);
	font-style: italic;
	border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.entry-footer {
	margin-top: 2.5rem;
	padding-top: 1.5rem;
	border-top: 1px solid var(--color-border);
	font-size: 0.875rem;
	color: var(--color-text-muted);
	display: flex;
	flex-wrap: wrap;
	gap: 1rem;
}

/* ==========================================================================
   Paginación y Navegación
   ========================================================================== */
.pagination, .posts-navigation, .post-navigation {
	margin-top: 3rem;
	margin-bottom: 1rem;
}

.nav-links {
	display: flex;
	justify-content: space-between;
	gap: 1rem;
	flex-wrap: wrap;
}

.nav-links .page-numbers {
	padding: 0.5rem 1rem;
	border: 1px solid var(--color-border);
	border-radius: var(--radius-sm);
	color: var(--color-text);
	font-weight: 500;
}

.nav-links .page-numbers.current {
	background: var(--color-primary);
	color: #fff;
	border-color: var(--color-primary);
}

/* ==========================================================================
   Barra Lateral (Sidebar / Widgets)
   ========================================================================== */
.main-sidebar .widget {
	background: var(--color-bg-alt);
	padding: 1.5rem;
	border-radius: var(--radius-lg);
	border: 1px solid var(--color-border-light);
	margin-bottom: 2rem;
}

.widget-title {
	font-size: 1.15rem;
	border-bottom: 2px solid var(--color-primary);
	padding-bottom: 0.5rem;
	margin-bottom: 1rem;
}

.widget ul {
	list-style: none;
	padding: 0;
	margin: 0;
}

.widget li {
	padding: 0.4rem 0;
	border-bottom: 1px solid var(--color-border-light);
}

.widget li:last-child {
	border-bottom: none;
}

/* ==========================================================================
   Comentarios (#comments)
   ========================================================================== */
.comments-area {
	margin-top: 3.5rem;
	padding-top: 2.5rem;
	border-top: 1px solid var(--color-border);
}

.comments-title {
	font-size: 1.5rem;
	margin-bottom: 1.5rem;
}

.comment-list {
	list-style: none;
	padding: 0;
	margin: 0 0 2.5rem 0;
}

.comment-list .comment {
	padding: 1.5rem;
	background: var(--color-bg-alt);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-md);
	margin-bottom: 1.25rem;
}

.comment-list .children {
	list-style: none;
	padding-left: 2rem;
	margin-top: 1rem;
}

.comment-author {
	display: flex;
	align-items: center;
	gap: 0.75rem;
	margin-bottom: 0.75rem;
}

.comment-author .avatar {
	border-radius: 50%;
}

.comment-metadata {
	font-size: 0.8rem;
	color: var(--color-text-muted);
	margin-bottom: 0.75rem;
}

.comment-form p {
	margin-bottom: 1rem;
}

.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
	width: 100%;
	padding: 0.75rem 1rem;
	border: 1px solid var(--color-border);
	border-radius: var(--radius-sm);
	font-family: inherit;
	font-size: 1rem;
}

.comment-form input:focus,
.comment-form textarea:focus {
	outline: none;
	border-color: var(--color-primary);
	box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* ==========================================================================
   Plantilla Landing Base (page-landing.php)
   ========================================================================== */
.landing-hero {
	padding: 5rem 0 4rem;
	background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
	border-bottom: 1px solid var(--color-border-light);
}

.landing-hero-inner {
	display: grid;
	grid-template-columns: 1fr;
	gap: 3rem;
	align-items: center;
}

@media (min-width: 900px) {
	.landing-hero-inner {
		grid-template-columns: 1.15fr 0.85fr;
	}
}

.landing-badge {
	display: inline-block;
	padding: 0.35rem 0.85rem;
	background: var(--color-primary-light);
	color: var(--color-primary);
	border-radius: var(--radius-full);
	font-size: 0.85rem;
	font-weight: 700;
	letter-spacing: 0.03em;
	margin-bottom: 1rem;
}

.landing-hero-title {
	font-size: 2.75rem;
	letter-spacing: -0.03em;
	line-height: 1.15;
	margin-bottom: 1.25rem;
}

@media (max-width: 640px) {
	.landing-hero-title {
		font-size: 2rem;
	}
}

.landing-hero-subtitle {
	font-size: 1.15rem;
	color: var(--color-text-muted);
	line-height: 1.6;
	margin-bottom: 2rem;
	max-width: 540px;
}

.landing-hero-actions {
	display: flex;
	gap: 1rem;
	flex-wrap: wrap;
}

.landing-media-card {
	border-radius: var(--radius-lg);
	overflow: hidden;
	box-shadow: var(--shadow-lg);
	border: 1px solid var(--color-border);
}

.landing-hero-img {
	width: 100%;
	height: auto;
	display: block;
}

/* Features */
.landing-features {
	padding: 5rem 0;
}

.section-header {
	text-align: center;
	max-width: 680px;
	margin: 0 auto 3.5rem;
}

.section-title {
	font-size: 2.25rem;
	margin-bottom: 0.75rem;
}

.section-subtitle {
	font-size: 1.1rem;
	color: var(--color-text-muted);
	margin-bottom: 0;
}

.features-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
	gap: 2rem;
}

.feature-card {
	background: var(--color-surface);
	padding: 2.25rem;
	border: 1px solid var(--color-border);
	border-radius: var(--radius-lg);
	transition: var(--transition);
}

.feature-card:hover {
	transform: translateY(-4px);
	box-shadow: var(--shadow-lg);
	border-color: var(--color-primary);
}

.feature-icon {
	font-size: 2.25rem;
	margin-bottom: 1.25rem;
	line-height: 1;
}

.feature-title {
	font-size: 1.25rem;
	margin-bottom: 0.75rem;
}

.feature-desc {
	font-size: 0.95rem;
	color: var(--color-text-muted);
	margin-bottom: 0;
	line-height: 1.6;
}

/* Rich Content Block */
.landing-content-block {
	padding: 4rem 0;
	background: var(--color-bg-alt);
}

.rich-content-wrapper {
	max-width: 800px;
	margin: 0 auto;
	background: #fff;
	padding: 3rem;
	border-radius: var(--radius-lg);
	border: 1px solid var(--color-border);
	box-shadow: var(--shadow-sm);
}

/* CTA Banner */
.landing-cta-banner {
	padding: 5rem 0;
	background: linear-gradient(135deg, var(--color-secondary) 0%, #1e1b4b 100%);
	color: #fff;
	text-align: center;
}

.cta-banner-inner {
	max-width: 720px;
	margin: 0 auto;
}

.cta-banner-title {
	color: #fff;
	font-size: 2.25rem;
	margin-bottom: 1rem;
}

.cta-banner-desc {
	color: #cbd5e1;
	font-size: 1.15rem;
	margin-bottom: 2rem;
}

/* ==========================================================================
   Pie de Página (Footer)
   ========================================================================== */
.site-footer {
	background: var(--color-surface);
	border-top: 1px solid var(--color-border);
	padding: 4rem 0 2rem;
	margin-top: auto;
}

.footer-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
	gap: 2.5rem;
	margin-bottom: 3.5rem;
}

.footer-col-brand .footer-title {
	font-size: 1.25rem;
	margin-bottom: 0.75rem;
}

.footer-desc {
	color: var(--color-text-muted);
	font-size: 0.9rem;
	line-height: 1.6;
}

.footer-subtitle {
	font-size: 1rem;
	margin-bottom: 1.25rem;
	color: var(--color-secondary);
}

.footer-menu, .footer-contact-list {
	list-style: none;
	padding: 0;
	margin: 0;
}

.footer-menu li, .footer-contact-list li {
	margin-bottom: 0.65rem;
	font-size: 0.9rem;
}

.footer-menu a {
	color: var(--color-text-muted);
}

.footer-menu a:hover {
	color: var(--color-primary);
}

.footer-contact-list {
	color: var(--color-text-muted);
}

.footer-bottom {
	padding-top: 2rem;
	border-top: 1px solid var(--color-border);
	display: flex;
	justify-content: space-between;
	align-items: center;
	flex-wrap: wrap;
	gap: 1rem;
	font-size: 0.85rem;
	color: var(--color-text-muted);
}