/* Ediciones Quipu - Estilos Principales */

/* Variables CSS */
:root {
  /* Paleta de colores vibrantes */
  --quipu-dark: #2c3e50;
  --quipu-charcoal: #34495e;
  --quipu-gray: #7f8c8d;
  --quipu-light-gray: #ecf0f1;
  --quipu-white: #ffffff;
  
  /* Colores vibrantes principales */
  --quipu-coral: #ff6b6b;
  --quipu-teal: #4ecdc4;
  --quipu-purple: #a8e6cf;
  --quipu-orange: #ffa726;
  --quipu-blue: #42a5f5;
  --quipu-pink: #ec407a;
  
  /* Acentos */
  --quipu-ochre: #d4a574;
  --quipu-burnt-red: #a0522d;
  --quipu-deep-blue: #1e3a8a;
  --quipu-sage: #87a96b;
  
  /* Tipografía */
  --font-serif: 'Crimson Text', Georgia, serif;
  --font-sans: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Espaciado */
  --section-padding: 5rem 0;
  --container-max-width: 1200px;
  
  /* Animaciones */
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset y base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body.quipu-body {
  font-family: var(--font-sans);
  line-height: 1.6;
  color: var(--quipu-dark);
  background: var(--quipu-white);
  overflow-x: hidden;
}

/* Hilos animados de fondo */
.quipu-threads {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
  opacity: 0.1;
}

/* Navegación */
.quipu-nav {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  transition: var(--transition-smooth);
  padding: 1rem 0;
  box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}

.quipu-brand .brand-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo {
  height: 80px;
  width: auto;
}

.brand-text {
  font-family: var(--font-sans);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--quipu-dark);
  letter-spacing: -0.02em;
}

.navbar-nav .nav-link {
  color: var(--quipu-dark);
  font-weight: 500;
  padding: 0.5rem 1rem;
  position: relative;
  transition: var(--transition-smooth);
}

.navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(45deg, var(--quipu-coral), var(--quipu-teal));
  transition: var(--transition-smooth);
  transform: translateX(-50%);
}

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

.navbar-nav .nav-link:hover {
  color: var(--quipu-coral);
}

/* Dropdown de idiomas */
.dropdown-menu {
  background: var(--quipu-white);
  border: none;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  border-radius: 10px;
}

.dropdown-item {
  color: var(--quipu-dark);
  padding: 0.5rem 1rem;
  transition: var(--transition-smooth);
}

.dropdown-item:hover {
  background: var(--quipu-light-gray);
  color: var(--quipu-coral);
}

/* Sección About */
.about-section {
  padding: var(--section-padding);
  background: linear-gradient(135deg, var(--quipu-light-gray) 0%, var(--quipu-white) 100%);
}

.section-title-colorful {
  font-family: var(--font-sans);
  font-size: 3rem;
  font-weight: 700;
  color: var(--quipu-dark);
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
}

.color-line {
  position: absolute;
  width: 60px;
  height: 4px;
  border-radius: 2px;
}

.color-line.coral {
  background: var(--quipu-coral);
  top: -10px;
  left: -20px;
}

.color-line.teal {
  background: var(--quipu-teal);
  bottom: -10px;
  right: -20px;
}

.about-subtitle {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--quipu-gray);
  margin-bottom: 2rem;
  font-style: italic;
}

.about-text {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--quipu-dark);
  margin-bottom: 1.5rem;
}

.about-stats {
  display: flex;
  gap: 2rem;
  margin-top: 2rem;
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--quipu-coral);
  line-height: 1;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--quipu-gray);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Ilustración del quipu */
.about-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 400px;
}

.quipu-illustration {
  position: relative;
  width: 300px;
  height: 300px;
}

.main-cord {
  position: absolute;
  top: 0;
  left: 50%;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, var(--quipu-dark), var(--quipu-gray));
  transform: translateX(-50%);
  border-radius: 2px;
}

.knot {
  position: absolute;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  left: 50%;
  transform: translateX(-50%);
  animation: pulse 2s ease-in-out infinite;
}

.knot-1 {
  background: var(--quipu-coral);
  top: 15%;
  animation-delay: 0s;
}

.knot-2 {
  background: var(--quipu-teal);
  top: 30%;
  animation-delay: 0.4s;
}

.knot-3 {
  background: var(--quipu-purple);
  top: 45%;
  animation-delay: 0.8s;
}

.knot-4 {
  background: var(--quipu-orange);
  top: 60%;
  animation-delay: 1.2s;
}

.knot-5 {
  background: var(--quipu-blue);
  top: 75%;
  animation-delay: 1.6s;
}

@keyframes pulse {
  0%, 100% {
    transform: translateX(-50%) scale(1);
    opacity: 1;
  }
  50% {
    transform: translateX(-50%) scale(1.2);
    opacity: 0.8;
  }
}

/* Líneas de color decorativas */
.color-accent-line {
  height: 3px;
  background: linear-gradient(90deg, 
    var(--quipu-coral) 0%, 
    var(--quipu-teal) 25%, 
    var(--quipu-purple) 50%, 
    var(--quipu-orange) 75%, 
    var(--quipu-blue) 100%);
  margin: 2rem 0;
  border-radius: 2px;
}

/* Responsive */
@media (max-width: 768px) {
  .about-stats {
    flex-direction: column;
    gap: 1rem;
  }
  
  .section-title-colorful {
    font-size: 2rem;
  }
  
  .quipu-illustration {
    width: 200px;
    height: 200px;
  }
}



/* Hero Section */
.hero-quipu {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--quipu-dark) 0%, var(--quipu-charcoal) 100%);
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-quipu::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="quipu-pattern" x="0" y="0" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="%23d4a574" opacity="0.3"/></pattern></defs><rect width="100" height="100" fill="url(%23quipu-pattern)"/></svg>');
  opacity: 0.1;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 8vw, 6rem);
  font-weight: 400;
  color: var(--quipu-white);
  line-height: 1.1;
  margin-bottom: 2rem;
}

.title-line {
  display: block;
  opacity: 0;
  animation: fadeInUp 1s ease-out forwards;
}

.title-line:nth-child(2) {
  animation-delay: 0.3s;
}

.title-emphasis {
  background: linear-gradient(45deg, var(--quipu-ochre), var(--quipu-burnt-red));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.hero-subtitle {
  max-width: 600px;
  margin-bottom: 3rem;
  opacity: 0;
  animation: fadeInUp 1s ease-out 0.6s forwards;
}

.hero-subtitle .lead {
  font-size: 1.5rem;
  color: var(--quipu-light-gray);
  margin-bottom: 1rem;
  font-weight: 300;
}

.subtitle-detail {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.1rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  opacity: 0;
  animation: fadeInUp 1s ease-out 0.9s forwards;
}

/* Botones */
.btn-quipu-primary {
  background: linear-gradient(45deg, var(--quipu-ochre), var(--quipu-burnt-red));
  border: none;
  color: var(--quipu-white);
  padding: 0.875rem 2rem;
  font-weight: 500;
  border-radius: 0;
  position: relative;
  overflow: hidden;
  transition: var(--transition-smooth);
  text-decoration: none;
  display: inline-block;
}

.btn-quipu-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, var(--quipu-burnt-red), var(--quipu-deep-blue));
  transition: var(--transition-smooth);
}

.btn-quipu-primary:hover::before {
  left: 0;
}

.btn-quipu-primary span {
  position: relative;
  z-index: 2;
}

.btn-quipu-outline {
  background: transparent;
  border: 2px solid var(--quipu-ochre);
  color: var(--quipu-white);
  padding: 0.875rem 2rem;
  font-weight: 500;
  border-radius: 0;
  transition: var(--transition-smooth);
  text-decoration: none;
  display: inline-block;
}

.btn-quipu-outline:hover {
  background: var(--quipu-ochre);
  color: var(--quipu-dark);
}

.btn-quipu-ghost {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--quipu-white);
  padding: 0.875rem 2rem;
  font-weight: 400;
  border-radius: 0;
  transition: var(--transition-smooth);
  text-decoration: none;
  display: inline-block;
}

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

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: var(--quipu-white);
  opacity: 0.7;
  animation: bounce 2s infinite;
}

.scroll-text {
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--quipu-ochre);
  border-bottom: 2px solid var(--quipu-ochre);
  transform: rotate(45deg);
  margin: 0 auto;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

/* Essence Section */
.essence-section {
  padding: var(--section-padding);
  background: var(--quipu-white);
}

.section-title-poetic {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.5rem);
  text-align: center;
  margin-bottom: 4rem;
  color: var(--quipu-dark);
  line-height: 1.3;
}

.section-title-poetic em {
  color: var(--quipu-burnt-red);
  font-style: italic;
}

.essence-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin-top: 4rem;
  }
  
  /* Responsive para pantallas más pequeñas */
  @media (max-width: 992px) {
    .essence-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 2rem;
    }
  }
  
  @media (max-width: 576px) {
    .essence-grid {
      grid-template-columns: 1fr;
      gap: 1.5rem;
    }
  }

.essence-item {
  text-align: center;
  padding: 2rem;
  transition: var(--transition-smooth);
}

.essence-item:hover {
  transform: translateY(-10px);
}

.essence-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  background: linear-gradient(45deg, var(--quipu-ochre), var(--quipu-burnt-red));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--quipu-white);
}

.essence-item h4 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--quipu-dark);
}

.essence-item p {
  color: var(--quipu-gray);
  line-height: 1.7;
}

/* Featured Mosaic */
.featured-mosaic {
  padding: var(--section-padding);
  background: var(--quipu-light-gray);
}

.section-title {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  color: var(--quipu-dark);
  margin-bottom: 3rem;
}

.mosaic-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: repeat(6, 200px);
  gap: 1rem;
  max-width: 1400px;
  margin: 0 auto;
}

.mosaic-item.large {
  grid-column: span 6;
  grid-row: span 3;
}

.mosaic-item.medium {
  grid-column: span 4;
  grid-row: span 2;
}

.mosaic-item.small {
  grid-column: span 2;
  grid-row: span 2;
}

.mosaic-content {
  position: relative;
  height: 100%;
  overflow: hidden;
  border-radius: 0;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.mosaic-content:hover {
  transform: scale(1.02);
}

.mosaic-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.content-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(26, 26, 26, 0.7), rgba(160, 82, 45, 0.3));
  opacity: 0.8;
  transition: var(--transition-smooth);
}

.mosaic-content:hover .content-overlay {
  opacity: 0.9;
}

.mosaic-text {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2rem;
  color: var(--quipu-white);
  transform: translateY(20px);
  transition: var(--transition-smooth);
}

.mosaic-content:hover .mosaic-text {
  transform: translateY(0);
}

.content-category {
  display: inline-block;
  background: var(--quipu-ochre);
  color: var(--quipu-dark);
  padding: 0.25rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.mosaic-text h3,
.mosaic-text h4,
.mosaic-text h5 {
  font-family: var(--font-serif);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.mosaic-text p {
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1rem;
  opacity: 0.9;
}

.author-signature {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.avatar-anonymous {
  width: 32px;
  height: 32px;
  background: linear-gradient(45deg, var(--quipu-sage), var(--quipu-deep-blue));
  border-radius: 50%;
  position: relative;
}

.avatar-anonymous::before {
  content: '?';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--quipu-white);
  font-weight: bold;
  font-size: 0.875rem;
}

.author-name {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  opacity: 0.9;
}

/* CTA Network */
.cta-network {
  padding: var(--section-padding);
  background: var(--quipu-dark);
  color: var(--quipu-white);
}

.network-invitation {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.cta-title {
  font-family: var(--font-serif);
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--quipu-white);
}

.cta-subtitle {
  font-size: 1.25rem;
  margin-bottom: 4rem;
  opacity: 0.9;
  line-height: 1.6;
}

.cta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.cta-card {
  background: rgba(255, 255, 255, 0.05);
  padding: 2.5rem 2rem;
  text-align: center;
  transition: var(--transition-smooth);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.cta-card:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-5px);
}

.cta-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 1.5rem;
  background: linear-gradient(45deg, var(--quipu-ochre), var(--quipu-burnt-red));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--quipu-white);
}

.cta-card h4 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--quipu-white);
}

.cta-card p {
  margin-bottom: 2rem;
  opacity: 0.9;
  line-height: 1.6;
}

/* Recent Threads */
.recent-threads {
  padding: var(--section-padding);
  background: var(--quipu-white);
}

.threads-container {
  max-width: 800px;
  margin: 0 auto;
}

.thread-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: center;
  padding: 2rem 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.thread-item:nth-child(even) {
  grid-template-columns: auto 1fr;
}

.thread-item:nth-child(even) .thread-content {
  text-align: right;
}

.thread-content {
  padding: 1.5rem;
}

.thread-type {
  display: inline-block;
  background: var(--quipu-ochre);
  color: var(--quipu-dark);
  padding: 0.25rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.thread-content h4 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--quipu-dark);
}

.thread-content p {
  color: var(--quipu-gray);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.thread-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.875rem;
  color: var(--quipu-gray);
}

.thread-item:nth-child(even) .thread-meta {
  justify-content: flex-end;
}

.thread-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.thread-knot {
  width: 60px;
  height: 60px;
  background: linear-gradient(45deg, var(--quipu-ochre), var(--quipu-burnt-red));
  border-radius: 50% 20% 50% 20%;
  position: relative;
  animation: float 3s ease-in-out infinite;
}

.thread-knot::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 30px;
  height: 30px;
  background: var(--quipu-white);
  border-radius: 50%;
  opacity: 0.8;
}

/* Footer */
.footer-quipu {
  background: var(--quipu-dark);
  color: var(--quipu-white);
  padding: 4rem 0 2rem;
}

.footer-content {
  margin-bottom: 3rem;
}

.footer-brand .brand-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.footer-description {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
  max-width: 300px;
}

.footer-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  color: var(--quipu-ochre);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: var(--transition-smooth);
}

.footer-links a:hover {
  color: var(--quipu-ochre);
}

.footer-contact {
  margin-bottom: 1rem;
  color: rgba(255, 255, 255, 0.8);
}

.footer-contact a {
  color: var(--quipu-ochre);
  text-decoration: none;
}

.social-threads {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.social-link {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--quipu-white);
  text-decoration: none;
  transition: var(--transition-smooth);
}

.social-link:hover {
  background: var(--quipu-ochre);
  color: var(--quipu-dark);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
}

.copyright {
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
}

.footer-legal {
  display: flex;
  gap: 2rem;
}

.footer-legal a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  font-size: 0.875rem;
  transition: var(--transition-smooth);
}

.footer-legal a:hover {
  color: var(--quipu-ochre);
}

/* Responsive Design */
@media (max-width: 768px) {
  .mosaic-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  
  .mosaic-item.large,
  .mosaic-item.medium,
  .mosaic-item.small {
    grid-column: span 1;
    grid-row: span 1;
    height: 300px;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  
  .thread-item,
  .thread-item:nth-child(even) {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .thread-meta {
    justify-content: center !important;
  }
  
  .footer-legal {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

@media (max-width: 576px) {
  .cta-grid {
    grid-template-columns: 1fr;
  }
  
  .essence-grid {
    grid-template-columns: 1fr;
  }
  
  .social-threads {
    justify-content: center;
  }
}

/* Animaciones AOS personalizadas */
[data-aos="slide-right"] {
  transform: translateX(-100px);
  opacity: 0;
}

[data-aos="slide-right"].aos-animate {
  transform: translateX(0);
  opacity: 1;
}

[data-aos="slide-left"] {
  transform: translateX(100px);
  opacity: 0;
}

[data-aos="slide-left"].aos-animate {
  transform: translateX(0);
  opacity: 1;
}

/* Estados de carga y microinteracciones */
.loading {
  opacity: 0.5;
  pointer-events: none;
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

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

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

/* Focus states para accesibilidad */
.btn-quipu-primary:focus,
.btn-quipu-outline:focus,
.btn-quipu-ghost:focus {
  outline: 2px solid var(--quipu-ochre);
  outline-offset: 2px;
}

.nav-link:focus {
  outline: 2px solid var(--quipu-ochre);
  outline-offset: 2px;
}

/* Estilos del Manifiesto */
.manifiesto-banner {
    position: relative;
    min-height: 70vh;
    background: #a0522d;
    display: flex;
    align-items: flex-end;
    justify-content: flex-start;
    overflow: hidden;
    margin-top: 80px;
    padding: 0 2rem 3rem 2rem;
}

.manifiesto-banner::before {
    display: none;
}

.banner-overlay {
    display: none;
}

.manifiesto-title {
    font-family: var(--font-sans);
    font-size: 4.5rem;
    font-weight: 700;
    color: white;
    text-shadow: none;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 2;
    text-align: left;
}

.manifiesto-subtitle {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    color: white;
    font-weight: 400;
    font-style: italic;
    text-shadow: none;
    margin-bottom: 0;
    position: relative;
    z-index: 2;
    text-align: left;
}

.quipu-divider {
    display: none;
}

.manifiesto-content {
    padding: 5rem 0;
    background: var(--quipu-white);
}

.content-block {
    margin-bottom: 4rem;
}

.content-block h3 {
    font-family: var(--font-sans);
    font-size: 2.2rem;
    font-weight: 600;
    color: var(--quipu-dark);
    margin-bottom: 1.5rem;
    position: relative;
}

.content-block h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--quipu-orange);
    border-radius: 2px;
}

.content-block .lead {
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--quipu-charcoal);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.content-block p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--quipu-dark);
    margin-bottom: 1.5rem;
}

.manifesto-principles {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin: 3rem 0;
    justify-items: center;
    align-items: center;
}

.principle-item {
    background: linear-gradient(135deg, var(--quipu-teal), var(--quipu-blue));
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    color: white;
    transition: var(--transition-smooth);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.principle-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.principle-item i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.principle-item h4 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.principle-item p {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 0;
    opacity: 0.9;
}

.manifesto-gallery {
    margin: 4rem 0;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    transition: var(--transition-smooth);
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
}

.gallery-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    padding: 2rem 1.5rem 1.5rem;
    transform: translateY(100%);
    transition: var(--transition-smooth);
}

.gallery-item:hover .gallery-caption {
    transform: translateY(0);
}

.gallery-caption h5 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.gallery-caption p {
    font-size: 0.9rem;
    margin-bottom: 0;
    opacity: 0.9;
}

.manifesto-quote {
    background: linear-gradient(135deg, var(--quipu-coral), var(--quipu-pink));
    color: white;
    padding: 3rem;
    border-radius: 20px;
    font-size: 1.3rem;
    font-style: italic;
    text-align: center;
    margin: 3rem 0;
    position: relative;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.manifesto-quote::before {
    content: '"';
    font-size: 6rem;
    position: absolute;
    top: -1rem;
    left: 2rem;
    opacity: 0.3;
    font-family: Georgia, serif;
}

.manifesto-quote cite {
    display: block;
    margin-top: 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    opacity: 0.9;
}

/* Responsive */
@media (max-width: 768px) {
    .manifiesto-title {
        font-size: 3rem;
    }
    
    .manifiesto-subtitle {
        font-size: 1.4rem;
    }
    
    .manifiesto-banner {
        min-height: 60vh;
    }
    
    .manifesto-principles {
        grid-template-columns: 1fr;
        justify-items: center;
        align-items: center;
    }
    
    .gallery-item img {
        height: 250px;
    }
}


/* Estilos Red Quipu */
.red-quipu-hero {
    background: linear-gradient(135deg, var(--quipu-teal) 0%, var(--quipu-blue) 100%);
    color: white;
    padding: 8rem 0 4rem;
    margin-top: 80px;
    position: relative;
    overflow: hidden;
}

.red-quipu-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="network-pattern" x="0" y="0" width="30" height="30" patternUnits="userSpaceOnUse"><circle cx="15" cy="15" r="1" fill="%23ffffff" opacity="0.1"/><line x1="15" y1="15" x2="30" y2="15" stroke="%23ffffff" stroke-width="0.5" opacity="0.05"/><line x1="15" y1="15" x2="15" y2="30" stroke="%23ffffff" stroke-width="0.5" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23network-pattern)"/></svg>') repeat;
    opacity: 0.3;
}

.red-intro-section {
    padding: 5rem 0;
    background: var(--quipu-white);
}

.intro-content {
    position: relative;
}

.intro-text {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--quipu-charcoal);
    margin: 2rem 0 3rem;
}

.network-visual {
    position: relative;
    height: 200px;
    margin: 3rem 0;
}

.connection-nodes {
    position: relative;
    width: 100%;
    height: 100%;
}

.node {
    position: absolute;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--quipu-coral);
    animation: pulse 2s infinite;
}

.node-1 { top: 20%; left: 20%; animation-delay: 0s; }
.node-2 { top: 10%; left: 60%; animation-delay: 0.4s; background: var(--quipu-teal); }
.node-3 { top: 60%; left: 80%; animation-delay: 0.8s; background: var(--quipu-orange); }
.node-4 { top: 80%; left: 30%; animation-delay: 1.2s; background: var(--quipu-purple); }
.node-5 { top: 40%; left: 50%; animation-delay: 1.6s; background: var(--quipu-pink); }

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.2); opacity: 1; }
}

.members-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--quipu-light-gray) 0%, var(--quipu-white) 100%);
}

.members-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.member-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.member-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--quipu-coral), var(--quipu-teal));
}

.member-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.member-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--quipu-coral), var(--quipu-orange));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

.member-card:nth-child(2n) .member-avatar {
    background: linear-gradient(135deg, var(--quipu-teal), var(--quipu-blue));
}

.member-card:nth-child(3n) .member-avatar {
    background: linear-gradient(135deg, var(--quipu-purple), var(--quipu-pink));
}

.member-nickname {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--quipu-dark);
    margin-bottom: 0.5rem;
}

.member-role {
    color: var(--quipu-gray);
    font-size: 0.95rem;
    margin-bottom: 0;
}

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

.testimonials-slider {
    position: relative;
    min-height: 200px;
    margin-bottom: 2rem;
}

.testimonial-item {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.5s ease;
    text-align: center;
}

.testimonial-item.active {
    opacity: 1;
    transform: translateX(0);
}

.testimonial-item blockquote {
    font-size: 1.4rem;
    font-style: italic;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    border: none;
    padding: 0;
}

.testimonial-item cite {
    font-size: 1rem;
    opacity: 0.8;
    font-weight: 500;
}

.slider-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
}

.slider-btn {
    background: none;
    border: 2px solid white;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.slider-btn:hover {
    background: white;
    color: var(--quipu-dark);
}

.slider-dots {
    display: flex;
    gap: 0.5rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.dot.active {
    background: white;
}

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

.communities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.community-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    border: 2px solid var(--quipu-light-gray);
    transition: var(--transition-smooth);
}

.community-card:hover {
    border-color: var(--quipu-coral);
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.community-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--quipu-coral), var(--quipu-orange));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
    color: white;
}

.community-card:nth-child(2n) .community-icon {
    background: linear-gradient(135deg, var(--quipu-teal), var(--quipu-blue));
}

.community-card:nth-child(3n) .community-icon {
    background: linear-gradient(135deg, var(--quipu-purple), var(--quipu-pink));
}

.community-card:nth-child(4n) .community-icon {
    background: linear-gradient(135deg, var(--quipu-sage), var(--quipu-ochre));
}

.community-card h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--quipu-dark);
    margin-bottom: 1rem;
}

.community-card p {
    color: var(--quipu-gray);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.community-members {
    font-size: 0.85rem;
    color: var(--quipu-coral);
    font-weight: 500;
}

.join-network-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--quipu-coral) 0%, var(--quipu-pink) 100%);
    color: white;
}

.join-title {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.join-description {
    font-size: 1.2rem;
    line-height: 1.6;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

.join-actions {
    margin-bottom: 3rem;
}

.join-actions .btn {
    margin: 0 0.5rem;
}

.join-benefits {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    opacity: 0.9;
}

.benefit-item i {
    font-size: 1.2rem;
}

/* Responsive */
@media (max-width: 768px) {
    .members-grid {
        grid-template-columns: 1fr;
    }
    
    .communities-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .join-benefits {
        flex-direction: column;
        gap: 1rem;
    }
    
    .join-title {
        font-size: 2rem;
    }
    
    .slider-controls {
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .communities-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== SECCIÓN LIBROS ===== */

/* Banner de Libros */
.libros-banner {
    position: relative;
    min-height: 70vh;
    background: var(--quipu-sage);
    display: flex;
    align-items: flex-end;
    justify-content: flex-start;
    overflow: hidden;
    margin-top: 80px;
    padding: 0 2rem 3rem 2rem;
}

.libros-title {
    font-family: var(--font-sans);
    font-size: 4.5rem;
    font-weight: 700;
    color: white;
    text-shadow: none;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 2;
    text-align: left;
}

.libros-subtitle {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    color: white;
    font-weight: 400;
    font-style: italic;
    text-shadow: none;
    margin-bottom: 0;
    position: relative;
    z-index: 2;
    text-align: left;
}

/* Filtros y Búsqueda */
.libros-filters {
    padding: 3rem 0;
    background: #f8f9fa;
}

.filters-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.filter-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--quipu-sage);
    background: transparent;
    color: var(--quipu-sage);
    font-weight: 600;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-sans);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--quipu-sage);
    color: white;
    transform: translateY(-2px);
}

.search-container {
    position: relative;
    min-width: 300px;
}

.search-input {
    width: 100%;
    padding: 0.75rem 3rem 0.75rem 1rem;
    border: 2px solid var(--quipu-sage);
    border-radius: 25px;
    font-family: var(--font-sans);
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
}

.search-input:focus {
    border-color: var(--quipu-ochre);
    box-shadow: 0 0 0 3px rgba(135, 169, 107, 0.1);
}

.search-container i {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--quipu-sage);
    font-size: 1.1rem;
}

/* Catálogo de Libros */
.libros-catalogo {
    padding: 4rem 0;
}

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

.libro-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    position: relative;
}

.libro-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.libro-cover {
    position: relative;
    height: 350px;
    overflow: hidden;
}

.libro-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.libro-card:hover .libro-cover img {
    transform: scale(1.05);
}

.libro-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.libro-card:hover .libro-overlay {
    opacity: 1;
}

.libro-actions {
    display: flex;
    gap: 1rem;
    flex-direction: column;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-sans);
    text-decoration: none;
    justify-content: center;
    min-width: 140px;
}

.read-btn {
    background: var(--quipu-sage);
    color: white;
}

.read-btn:hover {
    background: var(--quipu-deep-blue);
    transform: scale(1.05);
}

.download-btn {
    background: var(--quipu-ochre);
    color: white;
}

.download-btn:hover {
    background: var(--quipu-orange);
    transform: scale(1.05);
}

.buy-btn {
    background: var(--quipu-coral);
    color: white;
}

.buy-btn:hover {
    background: var(--quipu-burnt-red);
    transform: scale(1.05);
}

.libro-info {
    padding: 1.5rem;
}

.libro-titulo {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.libro-autor {
    font-family: var(--font-sans);
    color: var(--quipu-sage);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.libro-precio {
    font-family: var(--font-sans);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--quipu-ochre);
    margin-bottom: 0.75rem;
}

.libro-rating {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.libro-rating i {
    color: #ffc107;
    font-size: 0.9rem;
}

.libro-rating span {
    margin-left: 0.5rem;
    color: #666;
    font-size: 0.9rem;
}

/* Colecciones Destacadas */
.colecciones-destacadas {
    padding: 4rem 0;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
}

.coleccion-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    margin-bottom: 2rem;
}

.coleccion-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.coleccion-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--quipu-sage), var(--quipu-ochre));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.coleccion-icon i {
    font-size: 2rem;
    color: white;
}

.coleccion-card h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.coleccion-card p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.btn-coleccion {
    display: inline-block;
    padding: 0.75rem 2rem;
    background: var(--quipu-sage);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
    font-family: var(--font-sans);
}

.btn-coleccion:hover {
    background: var(--quipu-ochre);
    transform: translateY(-2px);
    text-decoration: none;
    color: white;
}

/* Autores Destacados */
.autores-destacados {
    padding: 4rem 0;
}

.autor-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    margin-bottom: 2rem;
}

.autor-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.autor-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 1.5rem;
    border: 4px solid var(--quipu-sage);
}

.autor-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.autor-card h4 {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
}

.autor-card p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
    font-size: 0.95rem;
}

.btn-autor {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: transparent;
    color: var(--quipu-sage);
    text-decoration: none;
    border: 2px solid var(--quipu-sage);
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
    font-family: var(--font-sans);
    font-size: 0.9rem;
}

.btn-autor:hover {
    background: var(--quipu-sage);
    color: white;
    transform: translateY(-2px);
    text-decoration: none;
}

/* Responsive */
@media (max-width: 768px) {
    .libros-title {
        font-size: 3rem;
    }
    
    .libros-subtitle {
        font-size: 1.4rem;
    }
    
    .filters-container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-buttons {
        justify-content: center;
    }
    
    .search-container {
        min-width: auto;
    }
    
    .libros-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1.5rem;
    }
    
    .libro-actions {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .action-btn {
        min-width: auto;
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
}

/* ===== SECCIÓN ARTÍCULOS ===== */

/* Banner de Artículos */
.articulos-banner {
    position: relative;
    min-height: 70vh;
    background: var(--quipu-ochre);
    display: flex;
    align-items: flex-end;
    justify-content: flex-start;
    overflow: hidden;
    margin-top: 80px;
    padding: 0 2rem 3rem 2rem;
}

.articulos-title {
    font-family: var(--font-sans);
    font-size: 4.5rem;
    font-weight: 700;
    color: white;
    text-shadow: none;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 2;
    text-align: left;
}

.articulos-subtitle {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    color: white;
    font-weight: 400;
    font-style: italic;
    text-shadow: none;
    margin-bottom: 0;
    position: relative;
    z-index: 2;
    text-align: left;
}

/* Filtros y Búsqueda para Artículos */
.articulos-filters {
    padding: 3rem 0;
    background: #f8f9fa;
}

.articulos-filters .filter-btn {
    border-color: var(--quipu-ochre);
    color: var(--quipu-ochre);
}

.articulos-filters .filter-btn:hover,
.articulos-filters .filter-btn.active {
    background: var(--quipu-ochre);
    color: white;
}

.articulos-filters .search-input {
    border-color: var(--quipu-ochre);
}

.articulos-filters .search-input:focus {
    border-color: var(--quipu-orange);
    box-shadow: 0 0 0 3px rgba(212, 165, 116, 0.1);
}

.articulos-filters .search-container i {
    color: var(--quipu-ochre);
}

/* Catálogo de Artículos */
.articulos-catalogo {
    padding: 4rem 0;
}

.articulos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-top: 2rem;
}

.articulo-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    flex-direction: column;
}

.articulo-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.articulo-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.articulo-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.articulo-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.articulo-card:hover .articulo-overlay {
    opacity: 1;
}

.articulo-actions {
    display: flex;
    justify-content: center;
}

.articulo-actions .action-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border: none;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-sans);
    text-decoration: none;
    justify-content: center;
    background: var(--quipu-ochre);
    color: white;
    font-size: 1rem;
}

.articulo-actions .action-btn:hover {
    background: var(--quipu-orange);
    transform: scale(1.05);
    text-decoration: none;
    color: white;
}

.articulo-category {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--quipu-ochre);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    font-family: var(--font-sans);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.articulo-info {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.articulo-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 0.85rem;
    color: #666;
    font-family: var(--font-sans);
}

.articulo-fecha {
    font-weight: 500;
}

.articulo-tiempo {
    color: var(--quipu-ochre);
    font-weight: 600;
}

.articulo-titulo {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.articulo-extracto {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.articulo-autor {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: auto;
}

.articulo-autor img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--quipu-ochre);
}

.articulo-autor span {
    font-family: var(--font-sans);
    font-weight: 500;
    color: var(--quipu-ochre);
    font-size: 0.9rem;
}

/* Categorías Destacadas */
.categorias-destacadas {
    padding: 4rem 0;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
}

.categoria-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

.categoria-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--quipu-ochre), var(--quipu-orange));
}

.categoria-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.categoria-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--quipu-ochre), var(--quipu-orange));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.categoria-icon i {
    font-size: 2rem;
    color: white;
}

.categoria-card h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.categoria-card p {
    color: #666;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.categoria-count {
    display: inline-block;
    background: var(--quipu-ochre);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    font-family: var(--font-sans);
}

/* Newsletter */
.newsletter-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--quipu-ochre), var(--quipu-orange));
    color: white;
}

.newsletter-section h2 {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.newsletter-section p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.newsletter-form {
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-form .input-group {
    display: flex;
    border-radius: 25px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
}

.newsletter-form .form-control {
    border: none;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    flex: 1;
    outline: none;
}

.btn-newsletter {
    background: white;
    color: var(--quipu-ochre);
    border: none;
    padding: 1rem 2rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-sans);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-newsletter:hover {
    background: #f8f9fa;
    transform: translateX(-2px);
}

/* Responsive */
@media (max-width: 768px) {
    .articulos-title {
        font-size: 3rem;
    }
    
    .articulos-subtitle {
        font-size: 1.4rem;
    }
    
    .articulos-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .articulo-card {
        margin-bottom: 1rem;
    }
    
    .articulo-actions .action-btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .newsletter-form .input-group {
        flex-direction: column;
        border-radius: 15px;
    }
    
    .newsletter-form .form-control {
        border-radius: 15px 15px 0 0;
    }
    
    .btn-newsletter {
        border-radius: 0 0 15px 15px;
        justify-content: center;
    }
}