/**
 * Memo Backend - Visual Enhancements
 * Modern visual improvements with sophisticated gray palette
 * Author: Alejandro Urrestarazu
 */

/* ============================================================
   FASE 1: SISTEMA DE DISEÑO BASE
   ============================================================ */

:root {
  /* Paleta de colores - Grises sofisticados */
  --primary-gradient: linear-gradient(135deg, #6C757D 0%, #343A40 100%);
  --primary-color: #6C757D;
  --primary-dark: #343A40;

  /* Colores de texto */
  --text-primary: #212529;
  --text-secondary: #343A40;
  --text-muted: #6C757D;

  /* Colores de fondo */
  --bg-primary: #ffffff;
  --bg-secondary: #F8F9FA;
  --bg-tertiary: #E9ECEF;

  /* Bordes */
  --border-light: #E9ECEF;
  --border-medium: #ADB5BD;

  /* Sistema de sombras */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-card-hover: 0 14px 28px rgba(0, 0, 0, 0.15), 0 10px 10px rgba(0, 0, 0, 0.12);

  /* Sistema de border-radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Sistema de transiciones */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
  --transition-smooth: 400ms cubic-bezier(0.165, 0.84, 0.44, 1);

  /* Escala tipográfica */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
}

/* Animaciones Globales */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes cardFadeIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes shimmer {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.6;
  }
}

@keyframes heroGlow {
  0%, 100% {
    opacity: 0.5;
    transform: scale(1);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.1);
  }
}

@keyframes titleSlideIn {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Respetar preferencias de movimiento reducido */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================================
   FASE 2: MEJORAS DE HOME PAGE
   ============================================================ */

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #6C757D 0%, #343A40 100%);
  box-shadow: var(--shadow-md);
  padding: 6rem 1rem;
  border-bottom: none;
  position: relative;
  overflow: hidden;
  text-align: center;
}

/* Patrón de fondo animado */
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  animation: heroGlow 15s ease-in-out infinite;
  pointer-events: none;
}

.hero h1,
.hero .hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  color: #ffffff;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
  margin-bottom: 1rem;
  animation: fadeInUp 0.8s ease-out;
  position: relative;
  z-index: 1;
}

.hero p,
.hero .hero-subtitle {
  font-size: 1.4rem;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.95);
  animation: fadeInUp 0.8s ease-out 0.2s both;
  position: relative;
  z-index: 1;
}

/* Section Title */
.posts-section-title {
  text-align: center;
  font-size: 2.75rem;
  margin-top: 4rem;
  margin-bottom: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  position: relative;
  padding-bottom: 1rem;
}

.posts-section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--primary-gradient);
  border-radius: 2px;
}

/* Posts Grid */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
  padding: 3rem 0;
}

/* Post Cards */
.post-card {
  background: var(--bg-primary);
  border: none;
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--shadow-sm);
  animation: cardFadeIn 0.6s ease-out backwards;
}

/* Top border animado */
.post-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary-gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-smooth);
  z-index: 2;
}

.post-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
}

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

/* Staggered animations */
.post-card:nth-child(1) { animation-delay: 0.1s; }
.post-card:nth-child(2) { animation-delay: 0.2s; }
.post-card:nth-child(3) { animation-delay: 0.3s; }
.post-card:nth-child(4) { animation-delay: 0.4s; }
.post-card:nth-child(5) { animation-delay: 0.5s; }
.post-card:nth-child(6) { animation-delay: 0.6s; }
.post-card:nth-child(7) { animation-delay: 0.7s; }
.post-card:nth-child(8) { animation-delay: 0.8s; }
.post-card:nth-child(9) { animation-delay: 0.9s; }

/* Image wrapper for overlay effect */
.post-card > a {
  position: relative;
  overflow: hidden;
  display: block;
}

.post-card-img-top {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.post-card:hover .post-card-img-top {
  transform: scale(1.08);
}

/* Image overlay */
.post-card > a::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.3) 100%);
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.post-card:hover > a::after {
  opacity: 1;
}

/* Card Body */
.post-card-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.post-card-title {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
  font-weight: 700;
  line-height: 1.3;
}

.post-card-title a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--transition-base);
}

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

/* Post Meta */
.post-card .post-meta {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.post-card .post-meta::before {
  content: '📅';
  font-size: 0.9rem;
}

/* Card Text */
.post-card-text {
  flex-grow: 1;
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Button */
.post-card .btn {
  align-self: flex-start;
  background: var(--primary-gradient);
  border: none;
  border-radius: var(--radius-md);
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  text-transform: none;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  z-index: 1;
  color: #ffffff;
}

.post-card .btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, #343A40 0%, #6C757D 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: -1;
}

.post-card .btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(108, 117, 125, 0.4);
  color: #ffffff;
}

.post-card .btn:hover::before {
  opacity: 1;
}

/* ============================================================
   FASE 3: MEJORAS DE POST/PAGE LAYOUTS
   ============================================================ */

/* Header Enhancements */
.intro-header {
  margin: 5rem 0 2rem;
  position: relative;
}

/* Aumentar margen superior en pantallas anchas para evitar superposición con avatar */
@media (min-width: 768px) {
  .intro-header {
    margin-top: 7rem;
  }
}

@media (min-width: 1200px) {
  .intro-header {
    margin-top: 8rem;
  }
}

.intro-header.big-img {
  position: relative;
  overflow: hidden;
}

.intro-header.big-img::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.6) 100%);
  z-index: 1;
}

.intro-header .post-heading,
.intro-header .page-heading {
  position: relative;
  z-index: 2;
}

.intro-header .post-heading h1,
.intro-header .page-heading h1 {
  font-weight: 800;
  letter-spacing: -0.5px;
  animation: titleSlideIn 0.8s ease-out;
  word-wrap: break-word;
  overflow-wrap: break-word;
  hyphens: auto;
}

.intro-header .post-subheading,
.intro-header .page-subheading {
  animation: titleSlideIn 0.8s ease-out 0.2s both;
}

.intro-header .post-meta {
  font-size: var(--font-size-base);
  color: var(--text-muted);
  font-style: normal;
  animation: fadeIn 0.8s ease-out 0.4s both;
}

/* Asegurar que el contenedor del header no sea demasiado estrecho */
.intro-header .container {
  max-width: 100%;
  padding-left: 1rem;
  padding-right: 1rem;
}

/* Sobrescribir los offsets de Bootstrap para headers de página */
.header-section .intro-header .col-xl-8.offset-xl-2 {
  flex: 0 0 100% !important;
  max-width: 100% !important;
  margin-left: 0 !important;
}

.header-section .intro-header .col-lg-10.offset-lg-1 {
  flex: 0 0 100% !important;
  max-width: 100% !important;
  margin-left: 0 !important;
}

/* Centrar el contenido del heading */
.header-section .intro-header .page-heading {
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.header-section .intro-header .post-heading {
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Blog Post Content Area */
.blog-post {
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--text-primary);
}

.blog-post h2 {
  margin-top: 3rem;
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--border-light);
  position: relative;
  color: var(--text-primary);
}

.blog-post h2::before {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 60px;
  height: 2px;
  background: var(--primary-gradient);
}

.blog-post h3 {
  margin-top: 2rem;
  color: var(--text-secondary);
  font-weight: 700;
}

.blog-post p {
  margin: 1.5rem 0;
}

.blog-post a {
  color: var(--primary-color);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-base);
}

.blog-post a:hover {
  color: var(--primary-dark);
  border-bottom-color: var(--primary-dark);
}

/* Enhanced images */
.blog-post img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin: 2rem 0;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.blog-post img:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
}

/* Lists enhancement */
.blog-post ul,
.blog-post ol {
  padding-left: 2rem;
  margin: 1.5rem 0;
}

.blog-post li {
  margin: 0.75rem 0;
  line-height: 1.7;
}

.blog-post ul li::marker {
  color: var(--primary-color);
  font-weight: bold;
}

/* Code Blocks */
code {
  padding: 0.2rem 0.4rem;
  color: #e53e3e;
  background-color: #fff5f5;
  border-radius: var(--radius-sm);
  font-size: 0.9em;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  border: 1px solid #feb2b2;
}

pre {
  font-size: 0.9rem;
  line-height: 1.6em;
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  background: #1e293b;
  overflow-x: auto;
  position: relative;
  box-shadow: var(--shadow-lg);
  margin: 2rem 0;
}

/* Excepción para bloques con mermaid renderizado */
pre:has(code.language-mermaid) {
  background: #ffffff;
  border: 2px solid var(--border-light);
  border-left: 4px solid var(--primary-color);
  box-shadow: var(--shadow-md);
}

pre code {
  color: #e2e8f0;
  background: transparent;
  border: none;
  padding: 0;
  font-size: 0.9rem;
}

/* Code mermaid debe ser transparente */
pre code.language-mermaid {
  color: inherit;
  background: transparent;
  display: block;
}

.highlight {
  position: relative;
  margin: 2rem 0;
}

.highlight > pre {
  background: #1e293b;
  border: none;
  border-left: 4px solid var(--primary-color);
  position: relative;
}

/* Mermaid Diagrams - SVG renderizado */
code.language-mermaid svg {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Tags Styling */
.blog-tags {
  font-family: var(--header-font);
  font-size: 0.95rem;
  margin: 2.5rem 0;
  padding: 1.5rem;
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--primary-color);
}

.blog-tags span {
  color: var(--text-secondary);
  font-weight: 600;
  margin-right: 0.75rem;
}

.blog-tags a {
  display: inline-block;
  color: var(--primary-color);
  text-decoration: none;
  padding: 0.4rem 0.9rem;
  margin: 0.25rem;
  background: var(--bg-primary);
  border: 2px solid var(--border-light);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  font-weight: 500;
}

.blog-tags a:hover {
  background: var(--primary-gradient);
  color: #ffffff;
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(108, 117, 125, 0.3);
}

/* Navigation (Prev/Next Posts) */
.pagination.blog-pager {
  margin: 3rem 0;
  padding: 2rem 0;
  border-top: 2px solid var(--border-light);
}

.pagination .page-item .page-link {
  font-family: var(--header-font);
  text-transform: none;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.875rem 1.75rem;
  background: var(--bg-primary);
  border: 2px solid var(--border-light);
  border-radius: 10px;
  color: var(--text-secondary);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.pagination .page-item .page-link:hover {
  background: var(--primary-gradient);
  color: #ffffff;
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(108, 117, 125, 0.4);
}

.pagination .page-item .page-link i {
  margin: 0 0.5rem;
}

/* Main Pager (Home pagination) */
.pagination.main-pager {
  margin: 3rem 0;
  padding: 2rem 0;
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.pagination.main-pager .page-item .page-link {
  font-family: var(--header-font);
  text-transform: none;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.875rem 1.75rem;
  background: var(--bg-primary);
  border: 2px solid var(--border-light);
  border-radius: 10px;
  color: var(--text-secondary);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.pagination.main-pager .page-item .page-link:hover {
  background: var(--primary-gradient);
  color: #ffffff;
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(108, 117, 125, 0.4);
}

/* ============================================================
   FASE 4: NOTIFICATION BOXES
   ============================================================ */

.box-note,
.box-warning,
.box-error,
.box-success {
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
  border: none;
  border-left-width: 4px;
  border-left-style: solid;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.box-note::before,
.box-warning::before,
.box-error::before,
.box-success::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  animation: shimmer 2s ease-in-out infinite;
}

.box-note {
  background: linear-gradient(135deg, #ebf8ff 0%, #bee3f8 100%);
  border-left-color: #3182ce;
  color: #2c5282;
}

.box-warning {
  background: linear-gradient(135deg, #fefcbf 0%, #faf089 100%);
  border-left-color: #d69e2e;
  color: #744210;
}

.box-error {
  background: linear-gradient(135deg, #fed7d7 0%, #fc8181 100%);
  border-left-color: #e53e3e;
  color: #742a2a;
}

.box-success {
  background: linear-gradient(135deg, #c6f6d5 0%, #9ae6b4 100%);
  border-left-color: #38a169;
  color: #22543d;
}

/* Icons */
.box-note::after {
  content: 'ℹ️';
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  font-size: 1.25rem;
}

.box-warning::after {
  content: '⚠️';
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  font-size: 1.25rem;
}

.box-error::after {
  content: '❌';
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  font-size: 1.25rem;
}

.box-success::after {
  content: '✅';
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  font-size: 1.25rem;
}

/* ============================================================
   FASE 5: NAVIGATION & FOOTER
   ============================================================ */

/* Enhanced Navbar */
.navbar-custom {
  background: rgba(255, 255, 255, 0.95) !important;
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  transition: all var(--transition-base);
}

.navbar-custom.top-nav-short {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.navbar-custom .nav-link {
  position: relative;
  transition: color var(--transition-base);
}

.navbar-custom .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--primary-gradient);
  transition: width var(--transition-base);
}

.navbar-custom .nav-link:hover::after {
  width: 80%;
}

/* Avatar enhancement */
.navbar-custom .avatar-img-border {
  box-shadow: 0 0 0 3px rgba(108, 117, 125, 0.3);
  transition: all var(--transition-base);
}

.navbar-custom .avatar-img-border:hover {
  box-shadow: 0 0 0 4px rgba(108, 117, 125, 0.5);
  transform: scale(1.05);
}

/* Enhanced Footer */
footer {
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
  border-top: 2px solid var(--border-light);
  padding: 2.5rem 0;
}

.footer-links .fa-stack {
  transition: transform var(--transition-base);
}

.footer-links .fa-stack:hover {
  transform: translateY(-3px);
}

.footer-links .fa-stack-2x {
  transition: color var(--transition-base);
}

.footer-links a:hover .fa-stack-2x {
  color: var(--primary-color);
}

/* LinkedIn button enhancement */
.libutton {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: linear-gradient(135deg, #0077b5 0%, #005885 100%);
  color: white;
  text-decoration: none;
  border-radius: var(--radius-lg);
  font-weight: 600;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
}

.libutton:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: white;
}

/* ============================================================
   PAGE LAYOUT - ANCHO MÁXIMO PARA LEGIBILIDAD
   ============================================================ */

/* Limitar ancho del contenido en páginas estáticas para mejor legibilidad */
main.container-fluid > .row > .col-12 {
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* En pantallas extra grandes, aumentar el ancho máximo */
@media (min-width: 1400px) {
  main.container-fluid > .row > .col-12 {
    max-width: 1100px;
  }
}

/* En pantallas medianas, reducir padding */
@media (max-width: 991px) {
  main.container-fluid > .row > .col-12 {
    padding-left: 1rem;
    padding-right: 1rem;
  }
}

/* En móvil, padding mínimo */
@media (max-width: 575px) {
  main.container-fluid > .row > .col-12 {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }
}

/* Estilos mejorados para contenido de páginas estáticas */
main.container-fluid .col-12 h2 {
  margin-top: 3rem;
  margin-bottom: 2rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--border-light);
  position: relative;
  color: var(--text-primary);
  font-size: 2.5rem;
  text-align: center;
}

main.container-fluid .col-12 h2::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 2px;
  background: var(--primary-gradient);
}

/* Mejorar imágenes en páginas */
main.container-fluid .col-12 img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin: 2rem auto;
  max-width: 400px;
  display: block;
}

/* Listas mejoradas en páginas */
main.container-fluid .col-12 ul {
  list-style: none;
  padding-left: 0;
  margin: 2rem 0;
}

main.container-fluid .col-12 ul li {
  padding: 1rem 1.5rem;
  margin: 0.75rem 0;
  background: var(--bg-secondary);
  border-left: 4px solid var(--primary-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  line-height: 1.7;
  color: var(--text-secondary);
}

main.container-fluid .col-12 ul li:hover {
  background: #ffffff;
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

/* Párrafos en páginas */
main.container-fluid .col-12 p {
  line-height: 1.8;
  margin: 1.5rem 0;
  color: var(--text-secondary);
}

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

/* Tablet */
@media (max-width: 991px) {
  .hero {
    padding: 5rem 1rem;
  }

  .hero h1,
  .hero .hero-title {
    font-size: 3rem;
  }

  .hero p,
  .hero .hero-subtitle {
    font-size: 1.2rem;
  }

  .posts-section-title {
    font-size: 2.25rem;
  }

  .posts-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
  }

  /* Ajustar títulos en páginas para tablet */
  main.container-fluid .col-12 h2 {
    font-size: 2rem;
  }

  /* Reducir padding en items de lista */
  main.container-fluid .col-12 ul li {
    padding: 0.875rem 1.25rem;
  }
}

/* Mobile */
@media (max-width: 768px) {
  .hero {
    padding: 4rem 1rem;
  }

  .hero h1,
  .hero .hero-title {
    font-size: 2.5rem;
  }

  .hero p,
  .hero .hero-subtitle {
    font-size: 1.1rem;
  }

  .posts-section-title {
    font-size: 2rem;
    margin-top: 3rem;
  }

  .posts-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 2rem 0;
  }

  .post-card-img-top {
    height: 200px;
  }

  .blog-post {
    font-size: 1.05rem;
  }

  .blog-post h2 {
    margin-top: 2rem;
  }

  .pagination .page-item .page-link,
  .pagination.main-pager .page-item .page-link {
    padding: 0.75rem 1.25rem;
    font-size: 0.875rem;
  }

  /* Ajustar títulos en páginas para mobile */
  main.container-fluid .col-12 h2 {
    font-size: 1.75rem;
    margin-top: 2rem;
  }

  /* Reducir más el padding en items de lista para mobile */
  main.container-fluid .col-12 ul li {
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
  }

  /* Imágenes más pequeñas en mobile */
  main.container-fluid .col-12 img {
    max-width: 100%;
    margin: 1.5rem auto;
  }
}

/* Small Mobile */
@media (max-width: 575px) {
  .hero {
    padding: 3rem 1rem;
  }

  .hero h1,
  .hero .hero-title {
    font-size: 2rem;
  }

  .hero p,
  .hero .hero-subtitle {
    font-size: 1rem;
  }

  .posts-section-title {
    font-size: 1.75rem;
  }

  .post-card-body {
    padding: 1.5rem;
  }

  .post-card-title {
    font-size: 1.25rem;
  }

  /* Ajustar títulos en páginas para small mobile */
  main.container-fluid .col-12 h2 {
    font-size: 1.5rem;
    margin-top: 1.5rem;
  }

  /* Items de lista compactos en small mobile */
  main.container-fluid .col-12 ul li {
    padding: 0.625rem 0.875rem;
    font-size: 0.9rem;
    margin: 0.5rem 0;
  }
}

/* ============================================================
   UTILITY CLASSES
   ============================================================ */

/* Smooth scroll behavior */
html {
  scroll-behavior: smooth;
}

/* Selection colors */
::selection {
  background-color: var(--primary-color);
  color: white;
}

::-moz-selection {
  background-color: var(--primary-color);
  color: white;
}

/* Focus states for accessibility */
a:focus,
button:focus,
input:focus,
textarea:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Print styles */
@media print {
  .navbar-custom,
  footer,
  .pagination,
  .blog-tags {
    display: none;
  }

  .hero {
    background: none;
    color: black;
  }

  .hero h1,
  .hero .hero-title,
  .hero p,
  .hero .hero-subtitle {
    color: black;
    text-shadow: none;
  }
}