:root {
  /* Base colors */
  --primary-color: #0056b3;
  --primary-dark: #004494;
  --primary-light: #3383d6;
  --primary-ultra-light: #e6f0fa;
  --secondary-color: #e63946;
  --secondary-dark: #c52a36;
  --secondary-light: #ff6b76;
  
  /* Monochromatic scheme */
  --gray-100: #f8f9fa;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-400: #ced4da;
  --gray-500: #adb5bd;
  --gray-600: #6c757d;
  --gray-700: #495057;
  --gray-800: #343a40;
  --gray-900: #212529;
  
  /* Text colors */
  --text-primary: var(--gray-900);
  --text-secondary: var(--gray-700);
  --text-light: var(--gray-600);
  --text-white: #ffffff;
  
  /* UI colors */
  --success: #28a745;
  --info: #17a2b8;
  --warning: #ffc107;
  --danger: var(--secondary-color);
  
  /* Shadows for neomorphic design */
  --nm-shadow-small: 4px 4px 8px rgba(0, 0, 0, 0.1), -4px -4px 8px rgba(255, 255, 255, 0.9);
  --nm-shadow-medium: 8px 8px 16px rgba(0, 0, 0, 0.1), -8px -8px 16px rgba(255, 255, 255, 0.9);
  --nm-shadow-large: 15px 15px 30px rgba(0, 0, 0, 0.1), -15px -15px 30px rgba(255, 255, 255, 0.9);
  --nm-shadow-inset: inset 4px 4px 8px rgba(0, 0, 0, 0.1), inset -4px -4px 8px rgba(255, 255, 255, 0.9);
  
  /* Border radius */
  --border-radius-small: 4px;
  --border-radius-medium: 8px;
  --border-radius-large: 16px;
  --border-radius-xl: 24px;
  --border-radius-circle: 50%;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 5rem;
  
  /* Animation */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Typography */
body {
  font-family: 'Roboto', sans-serif;
  color: var(--text-primary);
  background-color: var(--gray-100);
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Archivo Black', sans-serif;
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

.title {
  font-weight: 700;
}

.subtitle {
  font-weight: 400;
  color: var(--text-secondary);
}

p {
  margin-bottom: var(--spacing-md);
}

/* Global Styles */
html {
  scroll-behavior: smooth;
}

body {
  overflow-x: hidden;
}

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

.container {
  padding: 0 var(--spacing-md);
}

/* Header and Navigation */
.header {
  background-color: var(--text-white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: all var(--transition-medium);
}

.navbar {
  padding: var(--spacing-sm) 0;
}

.navbar-item {
  font-weight: 500;
  transition: color var(--transition-fast);
}

.navbar-item:hover {
  color: var(--primary-color);
}

/* Button Styles */
.button {
  transition: all var(--transition-fast);
  font-weight: 500;
  border-radius: var(--border-radius-medium);
}

.button.is-primary {
  background-color: var(--primary-color);
  border-color: transparent;
}

.button.is-primary:hover {
  background-color: var(--primary-dark);
}

.button.is-light {
  background-color: var(--gray-200);
  color: var(--gray-800);
}

.button.is-light:hover {
  background-color: var(--gray-300);
}

/* Hero Section */
.hero {
  position: relative;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

.hero .title, 
.hero .subtitle, 
.hero p {
  color: var(--text-white);
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.hero .button {
  margin-right: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

/* Cards with Neomorphic design */
.card {
  border-radius: var(--border-radius-large);
  box-shadow: var(--nm-shadow-medium);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  overflow: hidden;
  margin-bottom: var(--spacing-lg);
  background-color: var(--text-white);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--nm-shadow-large);
}

.card-image {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.image-container {
  width: 100%;
  height: 250px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-medium);
}

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

.card-content {
  padding: var(--spacing-lg);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.feature-card, 
.gallery-card, 
.news-card, 
.resource-card, 
.stats-card, 
.testimonial-card, 
.contact-form-card, 
.contact-info-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

/* Features Section */
.feature-card .title {
  margin-bottom: var(--spacing-md);
  color: var(--primary-color);
}

/* Stats Section */
.stats-card {
  background-color: var(--primary-ultra-light);
}

.stat-item {
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--gray-300);
  text-align: center;
}

.stat-item:last-child {
  border-bottom: none;
}

.stat-item h3 {
  color: var(--primary-color);
  font-size: 2rem;
  margin-bottom: var(--spacing-xs);
}

/* Insights Section */
#insights {
  background-color: var(--gray-200);
  padding: var(--spacing-xl) 0;
}

.insight-list li {
  margin-bottom: var(--spacing-md);
  position: relative;
  padding-left: var(--spacing-lg);
}

.insight-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: var(--border-radius-circle);
  background-color: var(--primary-color);
}

/* Portfolio / Gallery */
.gallery {
  margin-top: var(--spacing-lg);
}

.gallery-card h3 {
  margin-top: var(--spacing-md);
  color: var(--primary-color);
}

/* News Section */
.news-card .date {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: var(--spacing-sm);
}

.news-card h3 {
  margin-bottom: var(--spacing-sm);
}

.news-card .button {
  margin-top: auto;
  align-self: flex-start;
}

/* Methodology Section */
#metodologia {
  background-color: var(--text-white);
  padding: var(--spacing-xl) 0;
}

#metodologia h3 {
  color: var(--primary-color);
}

#metodologia ul li {
  margin-bottom: var(--spacing-sm);
}

/* Community Section */
#comunidad {
  background-color: var(--primary-ultra-light);
  padding: var(--spacing-xl) 0;
}

.program-item {
  background-color: var(--text-white);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-medium);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--nm-shadow-small);
  transition: transform var(--transition-medium);
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.program-item:hover {
  transform: translateY(-5px);
}

.testimonial {
  position: relative;
  padding: var(--spacing-lg);
  background-color: var(--text-white);
  border-radius: var(--border-radius-medium);
  box-shadow: var(--nm-shadow-small);
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.testimonial .quote {
  font-style: italic;
  position: relative;
  padding: 0 var(--spacing-md);
}

.testimonial .quote::before,
.testimonial .quote::after {
  content: '"';
  font-size: 2rem;
  color: var(--primary-light);
  position: absolute;
  line-height: 1;
}

.testimonial .quote::before {
  left: -10px;
  top: -5px;
}

.testimonial .quote::after {
  right: -10px;
  bottom: -10px;
}

.testimonial .author {
  font-weight: 600;
  color: var(--text-secondary);
  margin-top: var(--spacing-md);
}

/* Research Section */
#investigacion {
  background-color: var(--text-white);
  padding: var(--spacing-xl) 0;
}

#investigacion ul li {
  margin-bottom: var(--spacing-sm);
  position: relative;
  padding-left: var(--spacing-lg);
}

#investigacion ul li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
}

/* Sustainability Section */
#sostenibilidad {
  padding: var(--spacing-xl) 0;
}

#sostenibilidad ul li {
  margin-bottom: var(--spacing-sm);
  position: relative;
  padding-left: var(--spacing-lg);
}

#sostenibilidad ul li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: bold;
}

/* Contact Section */
#contacto {
  padding: var(--spacing-xl) 0;
}

.contact-form-card, 
.contact-info-card {
  height: 100%;
  text-align: left;
}

.info-item {
  margin-bottom: var(--spacing-lg);
}

.info-item strong {
  display: block;
  margin-bottom: var(--spacing-xs);
  color: var(--primary-color);
}

.social-media h4 {
  margin-bottom: var(--spacing-md);
}

.social-media .buttons {
  justify-content: flex-start;
}

/* Referencias Externas Section */
#referencias {
  padding: var(--spacing-xl) 0;
}

.resource-card {
  height: 100%;
  text-align: left;
}

.resource-card h3 a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.resource-card h3 a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

/* Footer */
.footer {
  background-color: var(--gray-800);
  color: var(--gray-300);
  padding: var(--spacing-xl) 0;
}

.footer .title {
  color: var(--text-white);
}

.footer p {
  color: var(--gray-400);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a, 
.social-links a {
  color: var(--gray-400);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-links a:hover, 
.social-links a:hover {
  color: var(--text-white);
  text-decoration: underline;
}

.social-links p {
  margin-bottom: var(--spacing-sm);
}

.copyright {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--gray-700);
  color: var(--gray-500);
}

/* Modal */
.modal-content {
  background-color: var(--text-white);
  border-radius: var(--border-radius-large);
  box-shadow: var(--nm-shadow-large);
  max-width: 800px;
  width: 90%;
}

.modal .box {
  box-shadow: none;
  border-radius: 0;
}

.map-container {
  width: 100%;
  height: 500px;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.map-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Privacy and Terms pages */
.privacy-content,
.terms-content {
  padding-top: 100px;
  min-height: 100vh;
}

/* Success page */
.success-page {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  text-align: center;
  padding: var(--spacing-xl);
}

.success-icon {
  font-size: 5rem;
  color: var(--success);
  margin-bottom: var(--spacing-lg);
}

/* Cookie Consent */
#cookie-consent {
  background-color: rgba(0, 0, 0, 0.9);
  color: var(--text-white);
  padding: var(--spacing-lg);
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  text-align: center;
}

/* Responsive adjustments */
@media screen and (max-width: 768px) {
  .navbar-menu {
    background-color: var(--text-white);
    box-shadow: 0 8px 16px rgba(10, 10, 10, 0.1);
  }
  
  .image-container {
    height: 200px;
  }
  
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .hero-body {
    padding: var(--spacing-xl) var(--spacing-md);
  }
  
  .section {
    padding: var(--spacing-xl) var(--spacing-md);
  }
  
  .card-content {
    padding: var(--spacing-md);
  }
  
  .stat-item h3 {
    font-size: 1.5rem;
  }
  
  .map-container {
    height: 300px;
  }
}

/* Animation */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fadeInUp {
  animation: fadeInUp var(--transition-medium);
}

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

.fadeIn {
  animation: fadeIn var(--transition-slow);
}

/* Scroll-based animations */
.animated {
  opacity: 0;
  transition: opacity var(--transition-medium), transform var(--transition-medium);
}

.animated.in-view {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 {
  transition-delay: 0.1s;
}

.delay-2 {
  transition-delay: 0.2s;
}

.delay-3 {
  transition-delay: 0.3s;
}

/* Utility classes */
.has-shadow {
  box-shadow: var(--nm-shadow-medium);
}

.has-shadow-inset {
  box-shadow: var(--nm-shadow-inset);
}

.is-rounded {
  border-radius: var(--border-radius-large);
  overflow: hidden;
}

.mt-auto {
  margin-top: auto;
}

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

.img-fluid {
  max-width: 100%;
  height: auto;
}

/* Page specific styles */
.about-page .hero,
.contact-page .hero {
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  position: relative;
}

.about-page .hero::before,
.contact-page .hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5));
  z-index: 1;
}

.about-page .hero-body,
.contact-page .hero-body {
  position: relative;
  z-index: 2;
}