:root {
  /* Tetrad color scheme */
  --primary-color: #1e73be;
  --primary-dark: #155896;
  --primary-light: #4593d3;
  
  --secondary-color: #be731e;
  --secondary-dark: #965815;
  --secondary-light: #d39345;
  
  --tertiary-color: #be1e73;
  --tertiary-dark: #961558;
  --tertiary-light: #d34593;
  
  --quaternary-color: #73be1e;
  --quaternary-dark: #589615;
  --quaternary-light: #93d345;
  
  /* Neutral colors */
  --dark: #222222;
  --medium-dark: #555555;
  --medium: #888888;
  --medium-light: #cccccc;
  --light: #f5f5f5;
  --white: #ffffff;
  
  /* Overlay colors */
  --overlay-dark: rgba(0, 0, 0, 0.7);
  --overlay-medium: rgba(0, 0, 0, 0.5);
  --overlay-light: rgba(0, 0, 0, 0.3);
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
  
  /* Transitions */
  --transition-fast: 0.2s ease-in-out;
  --transition-medium: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
  
  /* Borders */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 24px;
}

/* Base styles */
body {
  font-family: 'DM Sans', sans-serif;
  color: var(--dark);
  line-height: 1.6;
  overflow-x: hidden;
  background-color: var(--white);
}

h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1.5rem;
}

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

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

.btn-link {
  font-weight: 500;
  text-decoration: none;
  position: relative;
  padding: 0;
}

.btn-link:after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -2px;
  left: 0;
  background-color: var(--primary-color);
  transition: width var(--transition-medium);
}

.btn-link:hover:after {
  width: 100%;
}

/* Buttons */
.btn {
  border-radius: var(--border-radius-md);
  padding: 0.6rem 1.5rem;
  font-weight: 500;
  transition: all var(--transition-medium);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  text-transform: none;
  letter-spacing: 0.5px;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn:active {
  transform: translateY(0);
}

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

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

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

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

.btn-outline-light {
  color: var(--white);
  border-color: var(--white);
}

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

.btn-lg {
  padding: 0.8rem 2rem;
  font-size: 1.1rem;
}

/* Navbar */
.navbar {
  padding: 1rem 0;
  transition: all var(--transition-medium);
}

.navbar-brand img {
  height: 60px;
  transition: height var(--transition-medium);
}

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

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

.navbar-light .navbar-nav .nav-link:hover:after {
  width: 70%;
}

.navbar-toggler {
  border: none;
  padding: 0.5rem;
}

.navbar-toggler:focus {
  box-shadow: none;
}

/* Header - Fixed */
.fixed-top {
  box-shadow: var(--shadow-sm);
}

/* Hero Section */
#hero {
  position: relative;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  color: var(--white);
  padding: 180px 0 100px;
  overflow: hidden;
}

#hero h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s forwards 0.2s;
}

#hero h2 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s forwards 0.4s;
}

#hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s forwards 0.6s;
}

#hero .btn {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s forwards 0.8s;
  margin-right: 1rem;
  margin-bottom: 1rem;
}

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

/* Services Section */
#servicios {
  position: relative;
  overflow: hidden;
}

#servicios .card {
  height: 100%;
  border: none;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  display: flex;
  flex-direction: column;
}

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

#servicios .card-image {
  height: 250px;
  overflow: hidden;
  position: relative;
}

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

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

#servicios .card-body {
  padding: 1.5rem;
  flex: 1;
}

#servicios .card-footer {
  background: transparent;
  border-top: none;
  padding-top: 0;
}

#servicios .progress {
  height: 5px;
  background-color: var(--medium-light);
  border-radius: var(--border-radius-sm);
  overflow: hidden;
}

#servicios .progress-bar {
  background-color: var(--primary-color);
  border-radius: var(--border-radius-sm);
}

/* Features Section */
#caracteristicas {
  background-color: var(--light);
  position: relative;
  overflow: hidden;
}

#caracteristicas .card {
  height: 100%;
  border: none;
  border-radius: var(--border-radius-lg);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

#caracteristicas .card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

#caracteristicas .feature-icon {
  transition: background-color var(--transition-medium);
}

#caracteristicas .card:hover .feature-icon {
  background-color: var(--primary-light);
}

/* Sustainability Section */
#sostenibilidad {
  position: relative;
  color: var(--white);
  background-attachment: fixed;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

#sostenibilidad h2, #sostenibilidad h3 {
  position: relative;
}

#sostenibilidad ul {
  list-style-type: none;
  padding-left: 1.5rem;
}

#sostenibilidad ul li {
  position: relative;
}

#sostenibilidad ul li:before {
  content: '✓';
  position: absolute;
  left: -1.5rem;
  color: var(--quaternary-light);
}

/* External Resources Section */
#recursos {
  background-color: var(--light);
  position: relative;
  overflow: hidden;
}

#recursos .card {
  height: 100%;
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

#recursos .card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

#recursos a {
  color: var(--primary-color);
  transition: color var(--transition-fast);
  display: inline-block;
  position: relative;
}

#recursos a:after {
  content: '';
  position: absolute;
  width: 0;
  height: 1px;
  bottom: -2px;
  left: 0;
  background-color: var(--primary-dark);
  transition: width var(--transition-medium);
}

#recursos a:hover {
  color: var(--primary-dark);
  text-decoration: none;
}

#recursos a:hover:after {
  width: 100%;
}

/* Events Section */
#eventos {
  position: relative;
  overflow: hidden;
}

#eventos .card {
  height: 100%;
  border: none;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  display: flex;
  flex-direction: column;
}

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

#eventos .card-image {
  height: 250px;
  overflow: hidden;
  position: relative;
}

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

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

#eventos .badge {
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-sm);
}

/* Testimonials Section */
#testimonios {
  background-color: var(--light);
  position: relative;
  overflow: hidden;
}

#testimonios .card {
  height: 100%;
  border: none;
  border-radius: var(--border-radius-lg);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  display: flex;
  flex-direction: column;
}

#testimonios .card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

#testimonios .card-body {
  padding: 2rem;
}

#testimonios .rounded-circle {
  border: 3px solid var(--white);
  box-shadow: var(--shadow-sm);
}

/* Media Section */
#medios {
  position: relative;
  overflow: hidden;
}

#medios .card {
  height: 100%;
  border: none;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

#medios .card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

#medios .image-container {
  overflow: hidden;
}

#medios .image-container img {
  transition: transform var(--transition-slow);
}

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

#medios a.btn-link {
  color: var(--primary-color);
  font-weight: 500;
}

#medios a.btn-link:hover {
  color: var(--primary-dark);
}

/* Contact Section */
#contacto {
  background-color: var(--light);
  position: relative;
  overflow: hidden;
}

#contacto .card {
  height: 100%;
  border: none;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

#contacto form .form-control {
  border-radius: var(--border-radius-md);
  padding: 0.75rem 1rem;
  border: 1px solid var(--medium-light);
  transition: all var(--transition-fast);
}

#contacto form .form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.25rem rgba(30, 115, 190, 0.25);
}

#contacto form .form-select {
  border-radius: var(--border-radius-md);
  padding: 0.75rem 1rem;
  border: 1px solid var(--medium-light);
  transition: all var(--transition-fast);
}

#contacto form .form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.25rem rgba(30, 115, 190, 0.25);
}

#contacto .rounded-circle {
  background-color: var(--primary-light);
  transition: background-color var(--transition-fast);
}

#contacto .rounded-circle:hover {
  background-color: var(--primary-color);
}

/* Footer */
footer {
  background-color: var(--dark);
  color: var(--white);
  position: relative;
}

footer h3 {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  color: var(--white);
}

footer a {
  color: var(--white);
  opacity: 0.8;
  transition: opacity var(--transition-fast);
}

footer a:hover {
  color: var(--white);
  opacity: 1;
  text-decoration: none;
}

footer .social-links a {
  font-weight: 500;
  transition: color var(--transition-fast);
}

footer .social-links a:hover {
  color: var(--primary-light);
}

footer .input-group .form-control {
  border-radius: var(--border-radius-md) 0 0 var(--border-radius-md);
  background-color: rgba(255, 255, 255, 0.1);
  border: none;
  color: var(--white);
}

footer .input-group .form-control::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

footer .input-group .btn {
  border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
}

/* Modal */
.modal-content {
  border-radius: var(--border-radius-lg);
  border: none;
  overflow: hidden;
}

.modal-header {
  border-bottom: none;
  padding: 1.5rem 1.5rem 0.5rem;
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  border-top: none;
  padding: 0.5rem 1.5rem 1.5rem;
}

/* Cookie Consent */
.cookie-consent {
  background-color: rgba(0, 0, 0, 0.85);
  color: var(--white);
  padding: 15px;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
}

.cookie-consent p {
  margin-bottom: 0;
}

.cookie-consent .btn {
  white-space: nowrap;
}

/* Success Page */
.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
}

.success-page .card {
  max-width: 600px;
  border: none;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 3rem;
}

.success-page .icon {
  width: 100px;
  height: 100px;
  background-color: var(--quaternary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2rem;
}

.success-page .icon i {
  font-size: 50px;
  color: var(--white);
}

/* Terms & Privacy Pages */
.page-content {
  padding-top: 120px;
  padding-bottom: 80px;
}

.page-content h1 {
  margin-bottom: 2rem;
}

.page-content h2 {
  margin-top: 2rem;
  margin-bottom: 1.5rem;
}

/* Animation utilities */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.active {
  opacity: 1;
  transform: translateY(0);
}

/* Card image containers */
.card-image, .image-container {
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.card-image img, .image-container img {
  object-fit: cover;
  width: 100%;
  height: 100%;
  display: block;
  margin: 0 auto;
}

/* Card content centering */
.card, .item, .testimonial, .team-member, .product-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.card-body, .card-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  width: 100%;
}

/* Additional card styles */
.card {
  background-color: var(--white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

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

/* Responsive styles */
@media (max-width: 991.98px) {
  #hero {
    padding: 150px 0 80px;
  }
  
  #hero h1 {
    font-size: 2.8rem;
  }
  
  #hero h2 {
    font-size: 1.5rem;
  }
  
  .navbar-brand img {
    height: 50px;
  }
}

@media (max-width: 767.98px) {
  #hero {
    padding: 120px 0 60px;
  }
  
  #hero h1 {
    font-size: 2.3rem;
  }
  
  #hero h2 {
    font-size: 1.3rem;
  }
  
  #hero p {
    font-size: 1rem;
  }
  
  .navbar-brand img {
    height: 45px;
  }
  
  #servicios .card-image, 
  #eventos .card-image {
    height: 200px;
  }
  
  h2.display-4 {
    font-size: 2.5rem;
  }
}

@media (max-width: 575.98px) {
  #hero {
    padding: 100px 0 50px;
  }
  
  #hero h1 {
    font-size: 2rem;
  }
  
  #hero h2 {
    font-size: 1.2rem;
  }
  
  .navbar-brand img {
    height: 40px;
  }
  
  #servicios .card-image, 
  #eventos .card-image {
    height: 180px;
  }
  
  h2.display-4 {
    font-size: 2rem;
  }
  
  .btn-lg {
    padding: 0.6rem 1.5rem;
    font-size: 1rem;
  }
}

/* Print styles */
@media print {
  .navbar, 
  .footer, 
  .cookie-consent, 
  .btn {
    display: none;
  }
  
  .page-content {
    padding-top: 0;
  }
  
  a {
    text-decoration: none !important;
    color: var(--dark) !important;
  }
}