/*
Theme Name: Revista VAS UCR
Theme URI: https://accionsocial.ucr.ac.cr
Author: Vicerrectoria de Accion Social - UCR
Description: Tema editorial artistico para la Vicerrectoria de Accion Social de la Universidad de Costa Rica.
Version: 1.0.0
License: GPL v2
Text Domain: revista-vas-ucr
Tags: revista, universidad, accion-social, responsive, editorial
*/

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;0,700;1,300;1,400;1,500&family=Source+Sans+3:ital,wght@0,300;0,400;0,600;1,300;1,400&display=swap');

:root {
  --ucr-celeste: #0077B6;
  --ucr-celeste-suave: rgba(0,119,182,0.08);
  --ucr-celeste-medio: rgba(0,119,182,0.15);
  --vas-verde: #2D8A3E;
  --vas-verde-suave: rgba(45,138,62,0.06);
  --vas-naranja: #C4702A;
  --vas-naranja-suave: rgba(196,112,42,0.08);
  --ink: #1a1a1a;
  --ink-light: #4a4a4a;
  --ink-muted: #8a8a8a;
  --paper: #fafafa;
  --paper-warm: #f7f5f2;
  --white: #ffffff;
  --border: #e8e4df;
  --border-light: #f0ece8;
  --font-display: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-body: 'Source Sans 3', -apple-system, BlinkMacSystemFont, sans-serif;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 7rem;
  --space-xxl: 10rem;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 18px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-weight: 300;
  color: var(--ink);
  line-height: 1.75;
  background-color: var(--white);
  letter-spacing: -0.01em;
}

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

a {
  color: var(--ucr-celeste);
  text-decoration: none;
  transition: color 0.3s var(--ease-out);
}
a:hover { color: var(--ink); }

::selection {
  background: var(--ucr-celeste-suave);
  color: var(--ink);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.15;
  color: var(--ink);
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 300;
  line-height: 1.05;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 400;
}

h3 {
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  font-weight: 400;
}

h4 {
  font-size: 1.15rem;
  font-weight: 600;
  font-family: var(--font-body);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

p {
  margin-bottom: var(--space-md);
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--ink-light);
}

.lead {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.5vw, 1.7rem);
  font-weight: 400;
  font-style: italic;
  line-height: 1.5;
  color: var(--ink-muted);
  margin-bottom: var(--space-lg);
}

blockquote {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-style: italic;
  font-weight: 300;
  color: var(--ink-muted);
  border-left: 1px solid var(--ucr-celeste);
  padding-left: var(--space-md);
  margin: var(--space-lg) 0;
  line-height: 1.5;
}

.container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container-narrow {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container-wide {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section-padding { padding: var(--space-xl) 0; }
.section-padding-lg { padding: var(--space-xxl) 0; }
.text-center { text-align: center; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2rem;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: all 0.4s var(--ease-out);
}
.btn:hover {
  background: var(--ink);
  color: var(--white);
  text-decoration: none;
}

.btn-primary {
  border-color: var(--ucr-celeste);
  color: var(--ucr-celeste);
}
.btn-primary:hover {
  background: var(--ucr-celeste);
  color: var(--white);
}

.btn-ghost {
  border-color: var(--border);
  color: var(--ink-muted);
}
.btn-ghost:hover {
  border-color: var(--ink);
  color: var(--ink);
  background: transparent;
}

.tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.3rem 0.8rem;
  border: 1px solid var(--border);
  color: var(--ink-muted);
  transition: all 0.3s ease;
}
.tag:hover {
  border-color: var(--ucr-celeste);
  color: var(--ucr-celeste);
}

.tag-fill {
  background: var(--ucr-celeste);
  color: var(--white);
  border-color: var(--ucr-celeste);
}
.tag-fill:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--white);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  transition: all 0.4s var(--ease-out);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  max-width: 1600px;
  margin: 0 auto;
}

.site-branding {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
}

.site-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 0;
}
.site-title a { color: var(--ink); }
.site-title a:hover { color: var(--ucr-celeste); text-decoration: none; }

.site-subtitle {
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-muted);
  border-left: 1px solid var(--border);
  padding-left: var(--space-sm);
}

.main-navigation ul {
  display: flex;
  list-style: none;
  gap: var(--space-lg);
}

.main-navigation a {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  padding: 0.5rem 0;
  position: relative;
}
.main-navigation a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--ucr-celeste);
  transition: width 0.5s var(--ease-out);
}
.main-navigation a:hover {
  color: var(--ink);
  text-decoration: none;
}
.main-navigation a:hover::after,
.main-navigation .current-menu-item a::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: var(--paper-warm);
  padding-top: 80px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-xl);
  align-items: center;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.hero-content {
  padding: var(--space-xl) 0;
}

.hero-overline {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ucr-celeste);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.hero-overline::before {
  content: '';
  display: block;
  width: 40px;
  height: 1px;
  background: var(--ucr-celeste);
}

.hero-content h1 {
  margin-bottom: var(--space-md);
  color: var(--ink);
}
.hero-content h1 em {
  font-style: italic;
  color: var(--ucr-celeste);
}

.hero-content p {
  font-size: 1.15rem;
  color: var(--ink-muted);
  max-width: 480px;
  margin-bottom: var(--space-lg);
  line-height: 1.7;
}

.hero-image {
  position: relative;
  height: 80vh;
  min-height: 500px;
}
.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 2px;
}
.hero-image::before {
  content: '';
  position: absolute;
  top: -30px;
  left: -30px;
  right: 30px;
  bottom: 30px;
  border: 1px solid var(--ucr-celeste);
  opacity: 0.3;
  z-index: -1;
  border-radius: 2px;
}

.editorial-section {
  background: var(--white);
  position: relative;
}
.editorial-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: var(--space-xl);
  background: var(--border);
}

.editorial-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xxl);
  align-items: start;
  max-width: 1200px;
  margin: 0 auto;
}

.editorial-quote {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 300;
  font-style: italic;
  line-height: 1.4;
  color: var(--ink);
  position: relative;
  padding-top: var(--space-lg);
}
.editorial-quote::before {
  content: '\201C';
  font-size: 6rem;
  line-height: 1;
  color: var(--ucr-celeste);
  opacity: 0.2;
  position: absolute;
  top: -20px;
  left: -10px;
  font-family: var(--font-display);
}
.editorial-quote cite {
  display: block;
  margin-top: var(--space-md);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-style: normal;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.editorial-text {
  padding-top: var(--space-lg);
}
.editorial-text p {
  font-size: 1.1rem;
  line-height: 1.9;
  color: var(--ink-light);
}
.editorial-text p:first-child::first-letter {
  font-family: var(--font-display);
  font-size: 4.5rem;
  float: left;
  line-height: 0.8;
  padding-right: 12px;
  padding-top: 8px;
  color: var(--ucr-celeste);
}

.articles-section {
  background: var(--paper);
  position: relative;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border-light);
}

.section-label {
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: var(--space-xs);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  color: var(--ink);
  line-height: 1.1;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-md);
}

.article-card.featured {
  grid-column: span 7;
  grid-row: span 2;
  display: grid;
  grid-template-columns: 1fr;
  background: var(--white);
  position: relative;
}
.article-card.featured .article-image {
  height: 450px;
  overflow: hidden;
  position: relative;
}
.article-card.featured .article-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease-out);
}
.article-card.featured:hover .article-image img {
  transform: scale(1.03);
}
.article-card.featured .article-content {
  padding: var(--space-lg) var(--space-md) var(--space-md);
}
.article-card.featured .article-category {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  z-index: 2;
}
.article-card.featured h3 {
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  margin-bottom: var(--space-sm);
  line-height: 1.2;
}
.article-card.featured h3 a { color: var(--ink); }
.article-card.featured h3 a:hover { color: var(--ucr-celeste); }

.article-card {
  grid-column: span 5;
  background: var(--white);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.6s var(--ease-out);
}
.article-card:hover {
  transform: translateY(-4px);
}
.article-card .article-image {
  height: 240px;
  overflow: hidden;
  position: relative;
}
.article-card .article-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1s var(--ease-out);
}
.article-card:hover .article-image img {
  transform: scale(1.05);
}
.article-card .article-content {
  padding: var(--space-md);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: var(--space-sm);
}
.article-meta .separator {
  width: 20px;
  height: 1px;
  background: var(--border);
}

.article-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 400;
  line-height: 1.3;
  margin-bottom: var(--space-sm);
}
.article-card h3 a { color: var(--ink); }
.article-card h3 a:hover { color: var(--ucr-celeste); text-decoration: none; }

.article-excerpt {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--ink-muted);
  margin-bottom: var(--space-md);
  flex: 1;
}

.read-more {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ucr-celeste);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: gap 0.3s ease;
}
.read-more:hover {
  gap: 0.8rem;
  color: var(--ink);
}

.programs-section {
  background: var(--white);
  position: relative;
}

.programs-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border-light);
}

.program-item {
  background: var(--white);
  padding: var(--space-lg) var(--space-md);
  text-align: center;
  transition: all 0.5s var(--ease-out);
  position: relative;
  overflow: hidden;
}
.program-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--ucr-celeste);
  transform: scaleX(0);
  transition: transform 0.5s var(--ease-out);
}
.program-item:hover::before {
  transform: scaleX(1);
}
.program-item:hover {
  background: var(--paper-warm);
}

.program-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 300;
  color: var(--border);
  line-height: 1;
  margin-bottom: var(--space-sm);
  transition: color 0.5s ease;
}
.program-item:hover .program-number {
  color: var(--ucr-celeste);
}

.program-item h4 {
  font-size: 0.8rem;
  margin-bottom: var(--space-xs);
  color: var(--ink);
}
.program-item p {
  font-size: 0.85rem;
  color: var(--ink-muted);
  margin: 0;
  line-height: 1.6;
}

.galeria-section {
  background: var(--ink);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.galeria-section .section-title { color: var(--white); }
.galeria-section .section-label { color: rgba(255,255,255,0.5); }

.galeria-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: 200px;
  gap: 8px;
}
.galeria-item {
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  display: block;
}
.galeria-item:nth-child(1) { grid-column: span 6; grid-row: span 2; }
.galeria-item:nth-child(2) { grid-column: span 3; grid-row: span 1; }
.galeria-item:nth-child(3) { grid-column: span 3; grid-row: span 1; }
.galeria-item:nth-child(4) { grid-column: span 4; grid-row: span 2; }
.galeria-item:nth-child(5) { grid-column: span 4; grid-row: span 1; }
.galeria-item:nth-child(6) { grid-column: span 4; grid-row: span 1; }

.galeria-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease-out), filter 0.6s ease;
  filter: grayscale(20%);
}
.galeria-item:hover img {
  transform: scale(1.08);
  filter: grayscale(0%);
}
.galeria-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.4) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.4s ease;
}
.galeria-item:hover::after {
  opacity: 1;
}

.mapa-section {
  background: var(--paper-warm);
  position: relative;
}
.mapa-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--border);
}

#vas-mapa-proyectos {
  border-radius: 2px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.08);
}

.avisos-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.aviso-banner {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border-radius: 2px;
  overflow: hidden;
  box-shadow: 0 2px 20px rgba(0,0,0,0.04);
  transition: all 0.5s var(--ease-out);
  text-decoration: none;
  color: inherit;
  border-bottom: 2px solid transparent;
}
.aviso-banner:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.08);
  text-decoration: none;
  color: inherit;
}
.aviso-banner .aviso-imagen {
  height: 160px;
  overflow: hidden;
}
.aviso-banner .aviso-imagen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-out);
}
.aviso-banner:hover .aviso-imagen img {
  transform: scale(1.05);
}
.aviso-banner .aviso-contenido {
  padding: var(--space-md);
}
.aviso-banner h4 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 400;
  margin-bottom: var(--space-xs);
  color: var(--ink);
}
.aviso-banner p {
  font-size: 0.9rem;
  color: var(--ink-muted);
  margin: 0;
  line-height: 1.6;
}

.aviso-info { border-bottom-color: var(--ucr-celeste); }
.aviso-alerta { border-bottom-color: var(--vas-naranja); }
.aviso-exito { border-bottom-color: var(--vas-verde); }
.aviso-urgente { border-bottom-color: #DC3545; }

.busqueda-avanzada-form {
  background: var(--white);
  padding: var(--space-lg);
  border-radius: 2px;
  border: 1px solid var(--border-light);
}

.busqueda-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.busqueda-campo label {
  display: block;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: var(--space-xs);
}

.busqueda-campo input,
.busqueda-campo select {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1px solid var(--border);
  border-radius: 2px;
  font-size: 0.95rem;
  font-family: var(--font-body);
  font-weight: 300;
  background: var(--white);
  color: var(--ink);
  transition: all 0.3s ease;
}
.busqueda-campo input:focus,
.busqueda-campo select:focus {
  outline: none;
  border-color: var(--ucr-celeste);
  box-shadow: 0 0 0 3px var(--ucr-celeste-suave);
}

.single-header {
  padding: calc(var(--space-xxl) + 60px) 0 var(--space-xl);
  text-align: center;
  background: var(--paper-warm);
  position: relative;
}
.single-header .article-meta {
  justify-content: center;
  margin-bottom: var(--space-md);
}
.single-header h1 {
  max-width: 900px;
  margin: 0 auto var(--space-md);
}

.single-featured-image {
  max-width: 1100px;
  margin: calc(-1 * var(--space-lg)) auto var(--space-xl);
  border-radius: 2px;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,0.12);
}

.single-content {
  max-width: 680px;
  margin: 0 auto;
  font-size: 1.15rem;
  line-height: 1.9;
  color: var(--ink-light);
}
.single-content h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
  color: var(--ink);
}
.single-content h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}
.single-content p {
  margin-bottom: var(--space-md);
}
.single-content img {
  border-radius: 2px;
  margin: var(--space-lg) 0;
}
.single-content blockquote {
  margin: var(--space-xl) 0;
  padding: var(--space-md) var(--space-lg);
  border-left: 2px solid var(--ucr-celeste);
  background: var(--paper-warm);
}

.author-box {
  margin-top: var(--space-xxl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-light);
  display: flex;
  gap: var(--space-md);
  align-items: center;
}
.author-avatar {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  object-fit: cover;
  filter: grayscale(30%);
  transition: filter 0.4s ease;
}
.author-box:hover .author-avatar {
  filter: grayscale(0%);
}
.author-info h4 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 400;
  margin-bottom: 4px;
}
.author-info p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--ink-muted);
}

.site-footer {
  background: var(--ink);
  color: rgba(255,255,255,0.6);
  padding: var(--space-xxl) 0 var(--space-lg);
  position: relative;
}
.site-footer::before {
  content: '';
  position: absolute;
  top: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 1px;
  background: rgba(255,255,255,0.2);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-brand .site-title {
  color: var(--white);
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 400;
  margin-bottom: var(--space-sm);
}
.footer-brand p {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
  margin: 0;
}

.footer-column h4 {
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}
.footer-column ul {
  list-style: none;
}
.footer-column li {
  margin-bottom: 0.6rem;
}
.footer-column a {
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem;
  font-weight: 300;
  transition: color 0.3s ease;
}
.footer-column a:hover {
  color: var(--white);
  text-decoration: none;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.3);
}

.newsletter-section {
  background: var(--ucr-celeste);
  color: var(--white);
  padding: var(--space-xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.newsletter-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 600px;
  height: 600px;
  background: rgba(255,255,255,0.03);
  border-radius: 50%;
}
.newsletter-section h2 {
  color: var(--white);
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--space-sm);
  position: relative;
}
.newsletter-section p {
  color: rgba(255,255,255,0.7);
  font-size: 1.1rem;
  margin-bottom: var(--space-lg);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.newsletter-form {
  display: flex;
  gap: var(--space-sm);
  max-width: 500px;
  margin: 0 auto;
  position: relative;
}
.newsletter-form input[type="email"] {
  flex: 1;
  padding: 1rem 1.5rem;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 2px;
  font-size: 1rem;
  font-family: var(--font-body);
  background: rgba(255,255,255,0.1);
  color: var(--white);
  transition: all 0.3s ease;
}
.newsletter-form input[type="email"]::placeholder {
  color: rgba(255,255,255,0.5);
}
.newsletter-form input[type="email"]:focus {
  outline: none;
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.6);
}
.newsletter-form button {
  background: var(--white);
  color: var(--ucr-celeste);
  border: none;
  padding: 1rem 2rem;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.3s ease;
  border-radius: 2px;
}
.newsletter-form button:hover {
  background: var(--ink);
  color: var(--white);
}

.sidebar {
  padding-left: var(--space-xl);
  border-left: 1px solid var(--border-light);
}

.widget {
  margin-bottom: var(--space-xl);
}
.widget-title {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--border-light);
}
.widget ul {
  list-style: none;
}
.widget li {
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border-light);
}
.widget li:last-child {
  border-bottom: none;
}
.widget a {
  color: var(--ink-light);
  font-size: 0.95rem;
  font-weight: 300;
  transition: color 0.3s ease;
}
.widget a:hover {
  color: var(--ucr-celeste);
}

.pagination {
  display: flex;
  justify-content: center;
  gap: var(--space-xs);
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-light);
}
.pagination a,
.pagination span {
  padding: 0.6rem 1.2rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  border: 1px solid var(--border);
  color: var(--ink-muted);
  transition: all 0.3s ease;
}
.pagination a:hover {
  border-color: var(--ucr-celeste);
  color: var(--ucr-celeste);
  text-decoration: none;
}
.pagination .current {
  background: var(--ucr-celeste);
  border-color: var(--ucr-celeste);
  color: var(--white);
}

.pdf-download {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1rem 2rem;
  background: var(--vas-naranja-suave);
  color: var(--vas-naranja);
  border: 1px solid rgba(196,112,42,0.2);
  border-radius: 2px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: all 0.4s ease;
}
.pdf-download:hover {
  background: var(--vas-naranja);
  color: var(--white);
  text-decoration: none;
}

:focus-visible {
  outline: 2px solid var(--ucr-celeste);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-md);
  background: var(--ucr-celeste);
  color: var(--white);
  padding: 0.8rem 1.2rem;
  z-index: 10000;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: top 0.3s ease;
}
.skip-link:focus {
  top: var(--space-sm);
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in-up {
  animation: fadeInUp 0.8s var(--ease-out) forwards;
}

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  .hero-image {
    height: 50vh;
    min-height: 300px;
  }
  .hero-image::before { display: none; }
  .articles-grid {
    grid-template-columns: repeat(6, 1fr);
  }
  .article-card.featured { grid-column: span 6; }
  .article-card { grid-column: span 3; }
  .editorial-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  .programs-list { grid-template-columns: repeat(2, 1fr); }
  .avisos-container { grid-template-columns: repeat(2, 1fr); }
  .busqueda-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .sidebar {
    padding-left: 0;
    border-left: none;
    margin-top: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border-light);
  }
}

@media (max-width: 768px) {
  html { font-size: 16px; }
  .main-navigation { display: none; }
  .menu-toggle { display: block; }
  .hero-section {
    min-height: auto;
    padding-top: 70px;
  }
  .hero-content { padding: var(--space-lg) 0; }
  .article-card,
  .article-card.featured { grid-column: span 6; }
  .article-card.featured .article-image { height: 280px; }
  .galeria-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 150px;
  }
  .galeria-item:nth-child(1) { grid-column: span 2; grid-row: span 2; }
  .galeria-item:nth-child(2) { grid-column: span 1; grid-row: span 1; }
  .galeria-item:nth-child(3) { grid-column: span 1; grid-row: span 1; }
  .galeria-item:nth-child(4) { grid-column: span 2; grid-row: span 1; }
  .galeria-item:nth-child(5) { grid-column: span 1; grid-row: span 1; }
  .galeria-item:nth-child(6) { grid-column: span 1; grid-row: span 1; }
  .programs-list { grid-template-columns: 1fr; }
  .avisos-container { grid-template-columns: 1fr; }
  .busqueda-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-lg); }
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-xs);
    text-align: center;
  }
  .newsletter-form { flex-direction: column; }
  .single-header { padding-top: calc(var(--space-xl) + 60px); }
  .single-featured-image { margin: var(--space-md) auto var(--space-lg); }
}