/* === ROOT VARIABLES === */
:root {
  /* Brutal Design System - Color Palette */
  --color-primary: #ff3c38; /* Bright Red */
  --color-primary-dark: #d62828; /* Darker Red */
  --color-secondary: #1e91d6; /* Complementary Blue */
  --color-secondary-dark: #0d6eab; /* Darker Blue */
  --color-tertiary: #ffca3a; /* Accent Yellow */
  --color-tertiary-dark: #e0a800; /* Darker Yellow */
  --color-dark: #23233c; /* Dark Blue-Purple */
  --color-darker: #111122; /* Darker Blue-Purple */
  --color-light: #f2f7f5; /* Light Gray */
  --color-white: #ffffff;
  --color-black: #000000;
  --color-gray: #6c757d;
  --color-gray-light: #e9ecef;

  /* Typography */
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Source Sans Pro', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 5rem;
  
  /* Borders & Shadows */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;
  --border-thickness: 3px;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
  
  /* Animation Timing */
  --transition-fast: 0.2s;
  --transition-medium: 0.4s;
  --transition-slow: 0.8s;
  
  /* Container Widths */
  --container-max-width: 1200px;
  --container-narrow: 800px;
}

/* === BASE STYLES === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
}

h1 {
  font-size: 3.5rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 2.5rem;
  position: relative;
}

h3 {
  font-size: 1.75rem;
}

h4 {
  font-size: 1.5rem;
}

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

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

a:hover {
  color: var(--color-secondary-dark);
}

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

ul {
  list-style: none;
}

/* === UTILITY CLASSES === */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

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

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

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

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  position: relative;
  padding-bottom: var(--spacing-sm);
}

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

.section-intro {
  text-align: center;
  max-width: var(--container-narrow);
  margin: 0 auto var(--spacing-lg);
  font-size: 1.2rem;
  color: var(--color-dark);
}

/* === BUTTONS === */
.btn, 
button, 
input[type="submit"] {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.8rem 1.8rem;
  border-radius: var(--border-radius-md);
  border: var(--border-thickness) solid transparent;
  cursor: pointer;
  transition: all var(--transition-medium);
  text-align: center;
}

.btn:hover, 
button:hover, 
input[type="submit"]:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.btn:active, 
button:active, 
input[type="submit"]:active {
  transform: translateY(1px);
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.btn-secondary {
  background-color: var(--color-secondary);
  color: var(--color-white);
  border-color: var(--color-secondary);
}

.btn-secondary:hover {
  background-color: var(--color-secondary-dark);
  border-color: var(--color-secondary-dark);
}

.btn-tertiary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-tertiary:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
  flex-wrap: wrap;
  justify-content: center;
}

/* === LINKS === */
.link-external {
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  position: relative;
  padding-bottom: 2px;
  transition: all var(--transition-medium);
}

.link-external::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-medium);
}

.link-external:hover {
  color: var(--color-primary-dark);
}

.link-external:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* === HEADER & NAVIGATION === */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--color-dark);
  z-index: 1000;
  transition: background-color var(--transition-medium);
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
}

.logo a {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-white);
  font-size: 1rem;
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: color var(--transition-fast);
}

.logo a:hover {
  color: var(--color-tertiary);
}

.main-nav {
  display: flex;
}

.nav-list {
  display: flex;
  gap: var(--spacing-sm);
}

.nav-list a {
  color: var(--color-white);
  font-weight: 600;
  padding: 0.5rem var(--spacing-sm);
  position: relative;
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
}

.nav-list a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-tertiary);
  transform: scaleX(0);
  transition: transform var(--transition-medium);
}

.nav-list a:hover {
  color: var(--color-tertiary);
}

.nav-list a:hover::after {
  transform: scaleX(1);
}

.burger-menu {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 20px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
}

.burger-menu span {
  width: 100%;
  height: 3px;
  background-color: var(--color-white);
  transition: all var(--transition-fast);
}

/* === HERO SECTION === */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 80vh;
  padding: var(--spacing-xl) 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  margin-top: 70px;
}

.hero-content {
  text-align: center;
  color: var(--color-white);
  max-width: 800px;
  padding: var(--spacing-md);
  z-index: 2;
  position: relative;
}

.hero-content h1 {
  margin-bottom: var(--spacing-md);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-content p {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-md);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

/* === ECOSISTEMAS SECTION === */
.ecosistemas {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-white);
}

.ecosistemas-intro {
  max-width: var(--container-narrow);
  margin: 0 auto var(--spacing-lg);
  text-align: center;
}

.ecosistemas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.eco-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: var(--color-light);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-medium);
}

.eco-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.card-image {
  width: 100%;
  height: 300px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

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

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

.card-content {
  padding: var(--spacing-md);
  text-align: center;
}

.card-content h3 {
  color: var(--color-dark);
  margin-bottom: var(--spacing-sm);
}

.card-content p {
  color: var(--color-dark);
}

/* === TIMELINE SECTION === */
.timeline-section {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-light);
  position: relative;
}

.timeline {
  position: relative;
  padding: var(--spacing-md) 0;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  background-color: var(--color-tertiary);
}

.timeline-item {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--spacing-lg);
  position: relative;
}

.timeline-marker {
  position: absolute;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: var(--color-tertiary);
  border: 4px solid var(--color-white);
  z-index: 10;
}

.timeline-content {
  width: 45%;
  padding: var(--spacing-md);
  background-color: var(--color-white);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
  position: relative;
}

.timeline-item:nth-child(odd) .timeline-content {
  margin-right: auto;
}

.timeline-item:nth-child(even) .timeline-content {
  margin-left: auto;
}

.timeline-content h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

/* === RECURSOS SECTION === */
.recursos {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-white);
}

.recursos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.recurso-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: var(--color-light);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-medium);
  height: 100%;
}

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

.recurso-card .card-content {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  padding: var(--spacing-md);
  text-align: center;
}

.recurso-card .card-content h3 {
  color: var(--color-secondary);
}

.recurso-card .card-content a {
  margin-top: auto;
}

/* === ESTUDIOS DE CASO SECTION === */
.estudios-caso {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-light);
}

.casos-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
}

.caso-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.caso-card .card-image {
  width: 100%;
  height: 400px;
}

.caso-card .card-content {
  padding: var(--spacing-lg);
  text-align: left;
}

.caso-card h3 {
  color: var(--color-primary);
}

.caso-stats {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  margin-top: var(--spacing-md);
  border-top: 1px solid var(--color-gray-light);
  padding-top: var(--spacing-md);
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-sm);
}

.stat-number {
  font-size: 2rem;
  font-weight: bold;
  color: var(--color-secondary);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--color-gray);
  text-align: center;
}

/* === INSIGHTS SECTION === */
.insights {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-white);
}

.insights-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.insight-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-md);
  background-color: var(--color-light);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-medium);
  height: 100%;
}

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

.insight-icon {
  width: 100px;
  height: 100px;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: var(--spacing-sm);
  border-radius: 50%;
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.insight-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.insight-card h3 {
  color: var(--color-primary);
  text-align: center;
  margin-bottom: var(--spacing-sm);
}

.insight-card p {
  text-align: left;
}

/* === GALLERY === */
.gallery {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-light);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
}

.gallery-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.image-container {
  width: 100%;
  height: 250px;
  overflow: hidden;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--spacing-sm);
}

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

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

.gallery .caption {
  text-align: center;
  font-size: 0.9rem;
  color: var(--color-dark);
  padding: 0 var(--spacing-sm);
}

/* === EXTERNAL RESOURCES === */
.external-resources {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-white);
}

.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.resource-item {
  padding: var(--spacing-md);
  background-color: var(--color-light);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
}

.resource-item h3 {
  color: var(--color-dark);
  margin-bottom: var(--spacing-sm);
  text-align: center;
}

.resource-item ul {
  list-style: none;
}

.resource-item li {
  margin-bottom: var(--spacing-sm);
}

.external-link {
  display: inline-flex;
  align-items: center;
  color: var(--color-secondary);
  font-weight: 600;
  transition: color var(--transition-fast);
}

.external-link:hover {
  color: var(--color-secondary-dark);
}

/* === HISTORIAS SECTION === */
.historias {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-light);
}

.historias-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.historia-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  height: 100%;
}

.historia-card .card-image {
  width: 100%;
  height: 300px;
}

.historia-card .card-content {
  padding: var(--spacing-md);
  text-align: left;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.historia-card h3 {
  color: var(--color-primary);
}

.historia-card .btn {
  margin-top: auto;
  align-self: flex-start;
}

/* === CONTACTO SECTION === */
.contacto {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-white);
}

.contact-container {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-lg);
}

.contact-info {
  padding: var(--spacing-md);
  background-color: var(--color-light);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
}

.contact-info h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.contact-info p {
  margin-bottom: var(--spacing-sm);
}

.contact-hours {
  margin-top: var(--spacing-md);
}

.contact-hours h4 {
  color: var(--color-dark);
  margin-bottom: var(--spacing-sm);
}

.contact-form {
  padding: var(--spacing-md);
  background-color: var(--color-light);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--color-dark);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.8rem;
  border: 2px solid var(--color-gray-light);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-secondary);
}

/* === FOOTER === */
.footer {
  background-color: var(--color-dark);
  color: var(--color-white);
  padding: var(--spacing-lg) 0 var(--spacing-sm);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-logo h3 {
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
}

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

.footer-links h4,
.footer-legal h4,
.footer-social h4 {
  color: var(--color-tertiary);
  margin-bottom: var(--spacing-md);
}

.footer-links ul,
.footer-legal ul {
  list-style: none;
}

.footer-links li,
.footer-legal li {
  margin-bottom: var(--spacing-xs);
}

.footer-links a,
.footer-legal a {
  color: var(--color-gray-light);
  transition: color var(--transition-fast);
}

.footer-links a:hover,
.footer-legal a:hover {
  color: var(--color-tertiary);
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.social-links a {
  color: var(--color-white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  background-color: rgba(255, 255, 255, 0.1);
  transition: all var(--transition-fast);
}

.social-links a:hover {
  background-color: var(--color-tertiary);
  color: var(--color-dark);
  transform: translateY(-3px);
}

.footer-bottom {
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.footer-bottom p {
  color: var(--color-gray-light);
  font-size: 0.9rem;
}

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

.success-page h1 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.success-page p {
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
}

/* === PRIVACY & TERMS PAGES === */
.privacy-content,
.terms-content {
  padding-top: 100px;
  padding-bottom: var(--spacing-xl);
}

.privacy-content h1,
.terms-content h1 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.privacy-content h2,
.terms-content h2 {
  color: var(--color-secondary);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

/* === ANIMATIONS & EFFECTS === */
@keyframes fadeSlideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulseGlow {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 60, 56, 0.4);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(255, 60, 56, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(255, 60, 56, 0);
  }
}

@keyframes rotateIn {
  from {
    transform: rotate(-10deg) scale(0.9);
    opacity: 0;
  }
  to {
    transform: rotate(0) scale(1);
    opacity: 1;
  }
}

[data-aos="custom-fade-up"] {
  opacity: 0;
  transform: translateY(30px);
  transition: transform var(--transition-medium), opacity var(--transition-medium);
}

[data-aos="custom-fade-up"].aos-animate {
  opacity: 1;
  transform: translateY(0);
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 1024px) {
  h1 {
    font-size: 3rem;
  }
  
  h2 {
    font-size: 2.2rem;
  }
  
  .contact-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 1.8rem;
  }
  
  .hero-content {
    max-width: 100%;
  }
  
  .timeline::before {
    left: 30px;
  }
  
  .timeline-item {
    flex-direction: column;
  }
  
  .timeline-marker {
    left: 30px;
  }
  
  .timeline-content {
    width: calc(100% - 60px);
    margin-left: 60px !important;
  }
  
  .nav-list {
    display: none;
  }
  
  .burger-menu {
    display: flex;
  }
  
  .main-nav.active .nav-list {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-dark);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-buttons .btn {
    width: 100%;
    margin-bottom: var(--spacing-sm);
  }
  
  .section-title {
    font-size: 1.8rem;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
}