/*
Theme Name: Aingenia
Theme URI: https://aingenia.com
Author: Aingenia
Author URI: https://aingenia.com
Description: Tema editorial profesional para Aingenia - Inteligencia Artificial para el futuro de tu empresa. Diseño inspirado en la estética de publicaciones editoriales de alto impacto, con énfasis en contenido de blog técnico, divulgación de IA y presentación de aplicaciones empresariales.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 7.0
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: aingenia
Tags: blog, custom-logo, custom-menu, featured-images, footer-widgets, full-width-template, sticky-post, theme-options, threaded-comments, translation-ready
*/

/* ============================================================
   VARIABLES Y RESET
   ============================================================ */

:root {
  --color-primary: #1a3a6b;
  --color-primary-dark: #0d2347;
  --color-primary-light: #2a5298;
  --color-accent: #f5c518;
  --color-accent-hover: #e6b800;
  --color-dark: #0a0a0a;
  --color-dark-2: #111111;
  --color-dark-3: #1c1c1c;
  --color-gray-dark: #2d2d2d;
  --color-gray: #555555;
  --color-gray-light: #888888;
  --color-gray-lighter: #cccccc;
  --color-light: #f4f4f0;
  --color-white: #ffffff;
  --color-border: #e0e0e0;
  --font-heading: 'Playfair Display', 'Georgia', serif;
  --font-body: 'Source Serif 4', 'Georgia', serif;
  --font-sans: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  --max-width: 1280px;
  --content-width: 760px;
  --sidebar-width: 320px;
  --transition: 0.3s ease;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.18);
  --shadow-xl: 0 16px 60px rgba(0,0,0,0.25);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--color-dark);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

/* ============================================================
   TIPOGRAFÍA
   ============================================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-dark);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.875rem); }
h4 { font-size: 1.375rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: 1.5rem;
  font-size: 1.0625rem;
  line-height: 1.8;
}

blockquote {
  border-left: 4px solid var(--color-accent);
  padding: 1.25rem 1.75rem;
  margin: 2rem 0;
  background: var(--color-light);
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-style: italic;
  color: var(--color-gray-dark);
  line-height: 1.6;
}

blockquote cite {
  display: block;
  margin-top: 0.75rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-style: normal;
  color: var(--color-gray);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

code, pre {
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

pre {
  background: var(--color-dark-3);
  color: #e8e8e8;
  padding: 1.5rem;
  border-radius: 4px;
  overflow-x: auto;
  margin: 2rem 0;
  line-height: 1.6;
}

code {
  background: var(--color-light);
  color: var(--color-primary);
  padding: 0.15em 0.4em;
  border-radius: 3px;
  font-size: 0.875em;
}

pre code {
  background: none;
  color: inherit;
  padding: 0;
}

/* ============================================================
   LAYOUT GENERAL
   ============================================================ */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.container--narrow {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.site-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.site-main {
  flex: 1;
}

/* ============================================================
   HEADER Y NAVEGACIÓN
   ============================================================ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: all var(--transition);
}

.site-header.scrolled {
  background: rgba(10, 10, 10, 0.98);
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.site-branding {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  text-decoration: none;
}

.site-branding:hover {
  opacity: 0.9;
}

.site-logo {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: 6px;
}

.site-title-wrap {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.site-title {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

.site-title span {
  color: var(--color-accent);
}

.site-tagline {
  font-family: var(--font-sans);
  font-size: 0.625rem;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-top: 2px;
}

/* Navegación principal */
.main-navigation {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.main-navigation ul {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin: 0;
  padding: 0;
}

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

.main-navigation ul li a {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.5rem 0.875rem;
  border-radius: 3px;
  transition: all var(--transition);
  display: block;
}

.main-navigation ul li a:hover,
.main-navigation ul li.current-menu-item > a,
.main-navigation ul li.current-page-ancestor > a {
  color: var(--color-accent);
  background: rgba(245, 197, 24, 0.08);
}

/* Dropdown */
.main-navigation ul li ul {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: var(--color-dark-2);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 4px;
  min-width: 200px;
  padding: 0.5rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition);
  box-shadow: var(--shadow-lg);
  flex-direction: column;
  gap: 0;
}

.main-navigation ul li:hover > ul {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.main-navigation ul li ul li a {
  padding: 0.625rem 1.25rem;
  border-radius: 0;
  font-size: 0.8125rem;
}

/* CTA en header */
.header-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-left: 1rem;
}

.btn-header-cta {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-dark);
  background: var(--color-accent);
  padding: 0.5rem 1.25rem;
  border-radius: 3px;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-header-cta:hover {
  background: var(--color-accent-hover);
  color: var(--color-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(245, 197, 24, 0.35);
}

/* Hamburger mobile */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  flex-direction: column;
  gap: 5px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  transition: all var(--transition);
}

/* ============================================================
   HERO SECTION - PÁGINA PRINCIPAL
   ============================================================ */

.hero-section {
  position: relative;
  height: 100vh;
  min-height: 600px;
  max-height: 900px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--color-dark);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0d2347 0%, #1a3a6b 40%, #0a1628 100%);
  z-index: 0;
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('images/hero-pattern.svg') center/cover no-repeat;
  opacity: 0.05;
}

.hero-image {
  position: absolute;
  inset: 0;
  object-fit: cover;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(0,0,0,0.92) 0%,
    rgba(0,0,0,0.5) 40%,
    rgba(0,0,0,0.1) 70%,
    transparent 100%
  );
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  padding: 0 2rem 5rem;
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}

.hero-category {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  background: rgba(245, 197, 24, 0.15);
  border: 1px solid rgba(245, 197, 24, 0.4);
  padding: 0.35rem 0.875rem;
  border-radius: 2px;
  margin-bottom: 1.25rem;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 900;
  color: var(--color-white);
  line-height: 1.05;
  letter-spacing: -0.03em;
  max-width: 800px;
  margin-bottom: 1.25rem;
  text-shadow: 0 2px 20px rgba(0,0,0,0.5);
}

.hero-excerpt {
  font-family: var(--font-body);
  font-size: 1.125rem;
  color: rgba(255,255,255,0.8);
  max-width: 580px;
  line-height: 1.65;
  margin-bottom: 2rem;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.hero-meta-item {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: rgba(255,255,255,0.55);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero-meta-item strong {
  color: rgba(255,255,255,0.85);
  font-weight: 600;
}

.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  right: 3rem;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255,255,255,0.4);
  font-family: var(--font-sans);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  cursor: pointer;
}

.hero-scroll::after {
  content: '';
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.4), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50% { opacity: 0.8; transform: scaleY(1.2); }
}

/* ============================================================
   SECCIÓN DESTACADOS / FEATURED POSTS
   ============================================================ */

.featured-section {
  padding: 5rem 0;
  background: var(--color-white);
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 2.5rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--color-dark);
}

.section-label {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  display: block;
  margin-bottom: 0.25rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 1.875rem;
  font-weight: 800;
  color: var(--color-dark);
  letter-spacing: -0.02em;
}

.section-link {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-gray);
  border-bottom: 1px solid var(--color-gray-lighter);
  padding-bottom: 2px;
  transition: all var(--transition);
}

.section-link:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

/* Grid de posts destacados */
.featured-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 1.5px;
  background: var(--color-border);
}

.featured-grid .post-card:first-child {
  grid-row: span 2;
}

.post-card {
  position: relative;
  overflow: hidden;
  background: var(--color-dark);
  cursor: pointer;
}

.post-card-image-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/9;
}

.post-card:first-child .post-card-image-wrap {
  aspect-ratio: unset;
  height: 100%;
  min-height: 500px;
}

.post-card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.post-card:hover .post-card-image {
  transform: scale(1.04);
}

.post-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.2) 60%, transparent 100%);
  transition: opacity var(--transition);
}

.post-card:hover .post-card-overlay {
  opacity: 0.95;
}

.post-card-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.5rem;
}

.post-card:first-child .post-card-content {
  padding: 2rem;
}

.post-card-category {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.post-card-title {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.2;
  margin-bottom: 0.5rem;
}

.post-card:first-child .post-card-title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
}

.post-card-title {
  font-size: 1rem;
}

.post-card-meta {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ============================================================
   SECCIÓN BLOG / LISTADO DE POSTS
   ============================================================ */

.blog-section {
  padding: 5rem 0;
  background: var(--color-light);
}

.blog-layout {
  display: grid;
  grid-template-columns: 1fr var(--sidebar-width);
  gap: 4rem;
  align-items: start;
}

/* Lista de artículos */
.posts-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.article-card {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 0;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
  overflow: hidden;
}

.article-card:first-child {
  border-top: 1px solid var(--color-border);
}

.article-card:hover {
  box-shadow: var(--shadow-md);
  z-index: 1;
  position: relative;
}

.article-card-image-wrap {
  overflow: hidden;
  aspect-ratio: 4/3;
}

.article-card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.article-card:hover .article-card-image {
  transform: scale(1.05);
}

.article-card-body {
  padding: 1.75rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.article-card-category {
  font-family: var(--font-sans);
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  background: rgba(245, 197, 24, 0.1);
  border: 1px solid rgba(245, 197, 24, 0.3);
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 2px;
  margin-bottom: 0.75rem;
}

.article-card-title {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.25;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.article-card-title a {
  color: inherit;
  transition: color var(--transition);
}

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

.article-card-excerpt {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--color-gray);
  line-height: 1.65;
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
}

.article-card-meta {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  color: var(--color-gray-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.read-more-link {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 0.375rem;
  transition: gap var(--transition);
}

.read-more-link::after {
  content: '→';
  transition: transform var(--transition);
}

.read-more-link:hover {
  color: var(--color-primary-light);
}

.read-more-link:hover::after {
  transform: translateX(4px);
}

/* ============================================================
   SIDEBAR
   ============================================================ */

.sidebar {
  position: sticky;
  top: 90px;
}

.widget {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 1.75rem;
  margin-bottom: 2rem;
}

.widget-title {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-gray);
  padding-bottom: 0.875rem;
  border-bottom: 2px solid var(--color-dark);
  margin-bottom: 1.25rem;
}

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

.widget ul li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--color-gray-dark);
}

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

.widget ul li a {
  color: var(--color-gray-dark);
  transition: color var(--transition);
}

.widget ul li a:hover {
  color: var(--color-primary);
}

/* Widget newsletter */
.widget-newsletter {
  background: var(--color-primary-dark);
  border-color: var(--color-primary);
  color: var(--color-white);
}

.widget-newsletter .widget-title {
  color: rgba(255,255,255,0.6);
  border-color: rgba(255,255,255,0.2);
}

.widget-newsletter p {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 1.25rem;
}

.newsletter-form input[type="email"] {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--color-white);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  border-radius: 3px;
  margin-bottom: 0.75rem;
  outline: none;
  transition: border-color var(--transition);
}

.newsletter-form input[type="email"]::placeholder {
  color: rgba(255,255,255,0.4);
}

.newsletter-form input[type="email"]:focus {
  border-color: var(--color-accent);
}

.newsletter-form button {
  width: 100%;
  padding: 0.75rem;
  background: var(--color-accent);
  color: var(--color-dark);
  border: none;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: 3px;
  cursor: pointer;
  transition: all var(--transition);
}

.newsletter-form button:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
}

/* ============================================================
   SECCIÓN SERVICIOS / APLICACIONES
   ============================================================ */

.services-section {
  padding: 6rem 0;
  background: var(--color-dark);
  position: relative;
  overflow: hidden;
}

.services-section::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(26, 58, 107, 0.4) 0%, transparent 70%);
  pointer-events: none;
}

.services-section .section-title {
  color: var(--color-white);
}

.services-section .section-label {
  color: var(--color-accent);
}

.services-section .section-header {
  border-color: rgba(255,255,255,0.15);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.08);
  margin-top: 3rem;
}

.service-card {
  background: var(--color-dark-2);
  padding: 2.5rem;
  transition: background var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-accent);
  transform: scaleX(0);
  transition: transform var(--transition);
  transform-origin: left;
}

.service-card:hover {
  background: var(--color-dark-3);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 48px;
  height: 48px;
  background: rgba(26, 58, 107, 0.5);
  border: 1px solid rgba(42, 82, 152, 0.4);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
}

.service-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 0.875rem;
  letter-spacing: -0.02em;
}

.service-description {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.service-link {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  transition: gap var(--transition);
}

.service-link::after {
  content: '→';
}

.service-link:hover {
  color: var(--color-accent-hover);
  gap: 0.625rem;
}

/* ============================================================
   SINGLE POST / ARTÍCULO
   ============================================================ */

.post-hero {
  position: relative;
  height: 70vh;
  min-height: 500px;
  max-height: 700px;
  overflow: hidden;
  background: var(--color-dark);
  margin-top: 70px;
}

.post-hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.7;
}

.post-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(0,0,0,0.9) 0%,
    rgba(0,0,0,0.4) 50%,
    rgba(0,0,0,0.1) 100%
  );
}

.post-hero-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 3rem 2rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.post-hero-content .post-category {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.post-hero-content .post-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.75rem);
  font-weight: 900;
  color: var(--color-white);
  line-height: 1.05;
  letter-spacing: -0.03em;
  max-width: 900px;
  margin-bottom: 1.25rem;
  text-shadow: 0 2px 20px rgba(0,0,0,0.4);
}

.post-hero-content .post-subtitle {
  font-family: var(--font-body);
  font-size: 1.1875rem;
  color: rgba(255,255,255,0.75);
  max-width: 640px;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.post-meta-bar {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 1.25rem 0;
  border-top: 1px solid rgba(255,255,255,0.15);
  border-bottom: 1px solid rgba(255,255,255,0.15);
}

.post-meta-item {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.post-meta-item strong {
  color: rgba(255,255,255,0.85);
  font-weight: 600;
}

/* Contenido del artículo */
.post-content-wrap {
  padding: 4rem 0;
}

.post-content-layout {
  display: grid;
  grid-template-columns: 1fr var(--sidebar-width);
  gap: 5rem;
  align-items: start;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.post-content {
  font-family: var(--font-body);
  font-size: 1.125rem;
  line-height: 1.85;
  color: var(--color-dark);
}

.post-content h2 {
  font-family: var(--font-heading);
  font-size: 1.875rem;
  font-weight: 800;
  color: var(--color-dark);
  margin: 3rem 0 1.25rem;
  padding-top: 1rem;
  border-top: 2px solid var(--color-border);
  letter-spacing: -0.02em;
}

.post-content h3 {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-dark);
  margin: 2rem 0 1rem;
}

.post-content h4 {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-gray);
  margin: 1.5rem 0 0.75rem;
}

.post-content p {
  margin-bottom: 1.75rem;
}

.post-content ul, .post-content ol {
  padding-left: 1.5rem;
  margin-bottom: 1.75rem;
}

.post-content li {
  margin-bottom: 0.5rem;
}

.post-content figure {
  margin: 2.5rem 0;
}

.post-content figure img {
  width: 100%;
  border-radius: 2px;
}

.post-content figcaption {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: var(--color-gray-light);
  text-align: center;
  margin-top: 0.625rem;
  font-style: italic;
}

.post-content blockquote {
  margin: 2.5rem -2rem;
  padding: 2rem 2rem 2rem 3rem;
  border-left: 5px solid var(--color-accent);
  background: var(--color-light);
  font-size: 1.375rem;
}

/* Drop cap */
.post-content > p:first-of-type::first-letter {
  float: left;
  font-family: var(--font-heading);
  font-size: 4.5rem;
  font-weight: 900;
  line-height: 0.75;
  margin: 0.1em 0.1em 0 0;
  color: var(--color-primary);
}

/* Tags del post */
.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.post-tag {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-gray);
  background: var(--color-light);
  border: 1px solid var(--color-border);
  padding: 0.3rem 0.75rem;
  border-radius: 2px;
  transition: all var(--transition);
}

.post-tag:hover {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

/* Autor */
.post-author-box {
  display: flex;
  gap: 1.5rem;
  padding: 2rem;
  background: var(--color-light);
  border: 1px solid var(--color-border);
  margin-top: 3rem;
}

.post-author-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.post-author-info h4 {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-gray);
  margin-bottom: 0.25rem;
}

.post-author-info h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-dark);
  margin-bottom: 0.625rem;
}

.post-author-info p {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--color-gray);
  line-height: 1.6;
  margin: 0;
}

/* ============================================================
   SECCIÓN CTA / LLAMADA A LA ACCIÓN
   ============================================================ */

.cta-section {
  padding: 6rem 0;
  background: var(--color-primary-dark);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 20% 50%, rgba(42, 82, 152, 0.5) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 50%, rgba(26, 58, 107, 0.5) 0%, transparent 60%);
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-label {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  margin-bottom: 1rem;
  display: block;
}

.cta-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  color: var(--color-white);
  line-height: 1.1;
  letter-spacing: -0.03em;
  max-width: 700px;
  margin: 0 auto 1.5rem;
}

.cta-description {
  font-family: var(--font-body);
  font-size: 1.125rem;
  color: rgba(255,255,255,0.7);
  max-width: 500px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-dark);
  background: var(--color-accent);
  padding: 1rem 2.5rem;
  border-radius: 3px;
  transition: all var(--transition);
  display: inline-block;
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  color: var(--color-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245, 197, 24, 0.4);
}

.btn-secondary {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-white);
  background: transparent;
  border: 2px solid rgba(255,255,255,0.3);
  padding: 1rem 2.5rem;
  border-radius: 3px;
  transition: all var(--transition);
  display: inline-block;
}

.btn-secondary:hover {
  border-color: var(--color-white);
  background: rgba(255,255,255,0.08);
  color: var(--color-white);
}

/* ============================================================
   FOOTER
   ============================================================ */

.site-footer {
  background: var(--color-dark-2);
  color: rgba(255,255,255,0.7);
  padding: 4rem 0 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand .site-title {
  font-size: 1.375rem;
  margin-bottom: 0.25rem;
}

.footer-brand .site-tagline {
  font-size: 0.625rem;
  margin-bottom: 1.25rem;
}

.footer-brand p {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.footer-social {
  display: flex;
  gap: 0.75rem;
}

.footer-social a {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: 0.875rem;
  transition: all var(--transition);
  text-decoration: none;
}

.footer-social a:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.footer-col h4 {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.9);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-col ul {
  list-style: none;
  padding: 0;
}

.footer-col ul li {
  margin-bottom: 0.625rem;
}

.footer-col ul li a {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
  transition: color var(--transition);
}

.footer-col ul li a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 0;
  border-top: 1px solid rgba(255,255,255,0.06);
  margin-top: 0;
}

.footer-copyright {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.05em;
}

.footer-legal {
  display: flex;
  gap: 1.5rem;
}

.footer-legal a {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: rgba(255,255,255,0.35);
  transition: color var(--transition);
}

.footer-legal a:hover {
  color: rgba(255,255,255,0.7);
}

/* ============================================================
   PAGINACIÓN
   ============================================================ */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 3rem 0;
}

.page-numbers {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-gray);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: 3px;
  transition: all var(--transition);
}

.page-numbers:hover,
.page-numbers.current {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

/* ============================================================
   BREADCRUMB
   ============================================================ */

.breadcrumb {
  background: var(--color-light);
  padding: 0.875rem 0;
  border-bottom: 1px solid var(--color-border);
}

.breadcrumb-inner {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--color-gray-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.breadcrumb-inner a {
  color: var(--color-gray-light);
  transition: color var(--transition);
}

.breadcrumb-inner a:hover {
  color: var(--color-primary);
}

.breadcrumb-inner .separator {
  color: var(--color-gray-lighter);
}

/* ============================================================
   SEARCH
   ============================================================ */

.search-form {
  display: flex;
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: 3px;
  overflow: hidden;
}

.search-form input[type="search"] {
  flex: 1;
  padding: 0.75rem 1rem;
  border: none;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--color-dark);
  background: var(--color-white);
  outline: none;
}

.search-form button {
  padding: 0.75rem 1.25rem;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  transition: background var(--transition);
}

.search-form button:hover {
  background: var(--color-primary-light);
}

/* ============================================================
   COMMENTS
   ============================================================ */

.comments-section {
  padding: 3rem 0;
  border-top: 2px solid var(--color-border);
  margin-top: 3rem;
}

.comments-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 2rem;
}

.comment {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--color-border);
}

.comment-author {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 0.25rem;
}

.comment-date {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--color-gray-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.875rem;
}

.comment-body {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-gray-dark);
}

/* ============================================================
   UTILIDADES
   ============================================================ */

.text-accent { color: var(--color-accent); }
.text-primary { color: var(--color-primary); }
.text-muted { color: var(--color-gray-light); }
.bg-dark { background: var(--color-dark); }
.bg-light { background: var(--color-light); }

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

.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  background: var(--color-accent);
  color: var(--color-dark);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-sans);
  font-weight: 700;
  z-index: 9999;
}

.skip-link:focus {
  top: 0;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1100px) {
  .featured-grid {
    grid-template-columns: 1fr 1fr;
  }
  .featured-grid .post-card:first-child {
    grid-column: span 2;
    grid-row: span 1;
  }
  .featured-grid .post-card:first-child .post-card-image-wrap {
    min-height: 400px;
  }
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 900px) {
  .blog-layout {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: static;
  }
  .post-content-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .article-card {
    grid-template-columns: 220px 1fr;
  }
}

@media (max-width: 768px) {
  .main-navigation {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--color-dark-2);
    padding: 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.08);
    flex-direction: column;
    align-items: stretch;
  }
  .main-navigation.is-open {
    display: flex;
  }
  .main-navigation ul {
    flex-direction: column;
    gap: 0;
  }
  .main-navigation ul li a {
    padding: 0.875rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    border-radius: 0;
  }
  .header-cta {
    margin-left: 0;
    margin-top: 1rem;
  }
  .menu-toggle {
    display: flex;
  }
  .featured-grid {
    grid-template-columns: 1fr;
  }
  .featured-grid .post-card:first-child {
    grid-column: span 1;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .article-card {
    grid-template-columns: 1fr;
  }
  .article-card-image-wrap {
    aspect-ratio: 16/9;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  .hero-scroll {
    display: none;
  }
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  .post-meta-bar {
    flex-wrap: wrap;
    gap: 1rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1.25rem;
  }
  .hero-content {
    padding: 0 1.25rem 3rem;
  }
  .post-hero-content {
    padding: 2rem 1.25rem;
  }
}

/* ============================================================
   ANIMACIONES
   ============================================================ */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

.fade-in-up-delay-1 { animation-delay: 0.1s; }
.fade-in-up-delay-2 { animation-delay: 0.2s; }
.fade-in-up-delay-3 { animation-delay: 0.3s; }

/* ============================================================
   WORDPRESS CORE CLASSES
   ============================================================ */

.alignleft {
  float: left;
  margin: 0 2rem 1rem 0;
}

.alignright {
  float: right;
  margin: 0 0 1rem 2rem;
}

.aligncenter {
  display: block;
  margin: 2rem auto;
}

.alignwide {
  margin-left: -4rem;
  margin-right: -4rem;
  max-width: calc(100% + 8rem);
}

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

.wp-caption {
  max-width: 100%;
}

.wp-caption-text {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: var(--color-gray-light);
  text-align: center;
  margin-top: 0.5rem;
  font-style: italic;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.gallery-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 2px;
}

/* Sticky post */
.sticky .article-card {
  border-left: 4px solid var(--color-accent);
}

/* No results */
.no-results {
  text-align: center;
  padding: 5rem 2rem;
}

.no-results h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.no-results p {
  color: var(--color-gray);
  margin-bottom: 2rem;
}