:root {
  /* Tetradic color scheme variables */
  --primary: #3f51b5;
  --primary-dark: #303f9f;
  --primary-light: #7986cb;
  --primary-ultralight: #e8eaf6;
  
  --secondary: #ff9800;
  --secondary-dark: #f57c00;
  --secondary-light: #ffb74d;
  
  --tertiary: #4caf50;
  --tertiary-dark: #388e3c;
  --tertiary-light: #81c784;
  
  --quaternary: #e91e63;
  --quaternary-dark: #c2185b;
  --quaternary-light: #f48fb1;
  
  --white: #ffffff;
  --black: #212121;
  --gray-dark: #424242;
  --gray: #757575;
  --gray-light: #bdbdbd;
  --gray-ultralight: #f5f5f5;
  
  /* Shadows for neomorphism */
  --shadow-sm: 3px 3px 6px rgba(0, 0, 0, 0.1), -3px -3px 6px rgba(255, 255, 255, 0.8);
  --shadow-md: 5px 5px 10px rgba(0, 0, 0, 0.1), -5px -5px 10px rgba(255, 255, 255, 0.8);
  --shadow-lg: 10px 10px 20px rgba(0, 0, 0, 0.1), -10px -10px 20px rgba(255, 255, 255, 0.8);
  --shadow-inset: inset 3px 3px 6px rgba(0, 0, 0, 0.1), inset -3px -3px 6px rgba(255, 255, 255, 0.8);
  
  /* Transition speeds */
  --transition-fast: 0.2s;
  --transition-normal: 0.3s;
  --transition-slow: 0.5s;
  
  /* Border radius */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;
  --border-radius-xl: 24px;
  --border-radius-rounded: 50%;
}

/* Base Styles */
body {
  font-family: 'Lato', sans-serif;
  color: var(--gray-dark);
  background-color: var(--gray-ultralight);
  overflow-x: hidden;
  position: relative;
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Roboto', sans-serif;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 1rem;
}

h1 {
  font-size: 2.5rem;
  line-height: 1.2;
}

h2 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1rem;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--gray-dark);
}

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

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

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

.section-padding {
  padding: 80px 0;
}

.section-header {
  margin-bottom: 60px;
}

.section-header h2 {
  position: relative;
  display: inline-block;
  margin-bottom: 20px;
  padding-bottom: 10px;
}

.section-header h2:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(to right, var(--primary), var(--secondary));
  border-radius: var(--border-radius-sm);
}

.section-header p {
  color: var(--gray);
  font-size: 1.1rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* Buttons */
.btn {
  display: inline-block;
  font-weight: 500;
  text-align: center;
  vertical-align: middle;
  border: none;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  line-height: 1.5;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  z-index: 1;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.1);
  z-index: -1;
  transform: scale3d(0, 0, 1);
  transition: transform var(--transition-normal);
  transform-origin: left;
  border-radius: var(--border-radius-md);
}

.btn:hover::before {
  transform: scale3d(1, 1, 1);
}

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

.btn-primary:hover, .btn-primary:focus {
  background-color: var(--primary-dark);
  color: var(--white);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

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

.btn-secondary:hover, .btn-secondary:focus {
  background-color: var(--secondary-dark);
  color: var(--white);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}

.btn-outline:hover, .btn-outline:focus {
  background-color: var(--white);
  color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.btn-block {
  display: block;
  width: 100%;
}

/* Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  padding: 1rem 0;
  transition: all var(--transition-normal);
}

.header.scrolled {
  padding: 0.5rem 0;
  background: rgba(255, 255, 255, 0.98);
}

.navbar-brand {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary);
  font-family: 'Roboto', sans-serif;
  transition: all var(--transition-normal);
}

.navbar-brand:hover {
  color: var(--primary-dark);
  transform: scale(1.05);
}

.nav-link {
  font-weight: 500;
  color: var(--gray-dark);
  padding: 0.5rem 1rem;
  transition: all var(--transition-normal);
  position: relative;
}

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

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

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

.navbar-toggler {
  border: none;
  background: transparent;
  padding: 0.25rem 0.5rem;
  transition: all var(--transition-normal);
}

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

.navbar-toggler-icon {
  width: 1.5em;
  height: 1.5em;
}

/* Hero Section */
.hero {
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--white);
  padding: 200px 0 100px;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.5) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  animation: fadeInUp 1s ease-out;
}

.hero-content h1 {
  color: var(--white);
  font-size: 3rem;
  margin-bottom: 1.5rem;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
}

.hero-content p {
  color: var(--white);
  font-size: 1.25rem;
  margin-bottom: 2rem;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

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

/* Services Section */
.services {
  background-color: var(--white);
}

.service-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  background: var(--white);
  border: none;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
  margin-bottom: 2rem;
}

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

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

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

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

.card-content {
  padding: 2rem;
  text-align: center;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.progress-container {
  margin-top: auto;
  width: 100%;
}

.progress {
  height: 10px;
  border-radius: var(--border-radius-sm);
  background-color: var(--gray-ultralight);
  overflow: hidden;
  box-shadow: var(--shadow-inset);
}

.progress-bar {
  height: 100%;
  font-size: 0.75rem;
  line-height: 10px;
  color: var(--white);
  text-align: center;
  background-color: var(--primary);
  transition: width var(--transition-slow);
  background-image: linear-gradient(45deg, 
    var(--primary) 25%, 
    var(--primary-dark) 25%, 
    var(--primary-dark) 50%, 
    var(--primary) 50%, 
    var(--primary) 75%, 
    var(--primary-dark) 75%, 
    var(--primary-dark)
  );
  background-size: 20px 20px;
  animation: progressBarAnimation 2s linear infinite;
}

@keyframes progressBarAnimation {
  0% {
    background-position: 0 0;
  }
  100% {
    background-position: 20px 0;
  }
}

/* Workshops Section */
.workshops {
  background: linear-gradient(135deg, var(--primary-ultralight) 0%, var(--gray-ultralight) 100%);
}

.workshop-calendar, .workshop-benefits {
  height: 100%;
}

.workshop-calendar .card, .workshop-benefits .card {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  border: none;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  background-color: var(--white);
}

.accordion-button {
  background-color: var(--white);
  border: none;
  box-shadow: none;
  color: var(--gray-dark);
  font-weight: 600;
  padding: 1.25rem;
  transition: all var(--transition-normal);
}

.accordion-button:not(.collapsed) {
  background-color: var(--primary-ultralight);
  color: var(--primary);
}

.accordion-button:focus {
  box-shadow: none;
  border-color: var(--primary-light);
}

.accordion-body {
  padding: 1.5rem;
  background-color: var(--white);
}

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

.benefits-list li {
  margin-bottom: 2rem;
  padding: 1.5rem;
  background-color: var(--primary-ultralight);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

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

.benefits-list h4 {
  color: var(--primary);
  margin-bottom: 0.75rem;
}

/* Research Section */
.research {
  background-color: var(--white);
}

.research-content {
  max-width: 1000px;
  margin: 0 auto;
}

.research-content .card {
  border: none;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

/* Case Studies Section */
.case-studies {
  background: linear-gradient(135deg, var(--gray-ultralight) 0%, var(--primary-ultralight) 100%);
}

.case-study-card {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  border: none;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  background-color: var(--white);
  margin-bottom: 2rem;
}

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

/* Innovation Section */
.innovation {
  background-color: var(--white);
}

.innovation-card {
  border: none;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.innovation-features {
  margin-top: 2rem;
}

.feature {
  margin-bottom: 2rem;
  padding: 1.5rem;
  background-color: var(--gray-ultralight);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

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

.feature h4 {
  color: var(--primary);
  margin-bottom: 1rem;
}

/* Partners Section */
.partners {
  background: linear-gradient(135deg, var(--primary-ultralight) 0%, var(--gray-ultralight) 100%);
}

.partners-content .card {
  border: none;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.partner-categories {
  margin-top: 2rem;
}

.category {
  margin-bottom: 2rem;
}

.category h4 {
  color: var(--primary);
  margin-bottom: 1rem;
}

/* Events Section */
.events {
  background-color: var(--white);
}

.events-calendar .card {
  border: none;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.event-list {
  width: 100%;
}

.event-item {
  display: flex;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--gray-light);
}

.event-item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.event-date {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 80px;
  height: 80px;
  background-color: var(--primary);
  color: var(--white);
  border-radius: var(--border-radius-md);
  margin-right: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.event-item:hover .event-date {
  transform: scale(1.1);
  box-shadow: var(--shadow-md);
}

.event-date .month {
  font-size: 0.875rem;
  text-transform: uppercase;
  font-weight: 700;
}

.event-date .day {
  font-size: 1.75rem;
  font-weight: 700;
}

.event-details {
  flex: 1;
}

.event-meta {
  color: var(--gray);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

/* Contact Section */
.contact {
  background: linear-gradient(135deg, var(--gray-ultralight) 0%, var(--primary-ultralight) 100%);
}

.contact-info, .contact-form {
  height: 100%;
}

.contact-info .card, .contact-form .card {
  height: 100%;
  border: none;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: var(--white);
}

.map-container {
  width: 100%;
  height: 250px;
  margin-top: 2rem;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.form-control {
  padding: 0.75rem 1rem;
  border: 1px solid var(--gray-light);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-normal);
  background-color: var(--white);
  box-shadow: var(--shadow-inset);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: var(--shadow-inset), 0 0 0 0.2rem rgba(63, 81, 181, 0.25);
}

.form-check-input {
  margin-top: 0.3em;
}

.form-check-input:checked {
  background-color: var(--primary);
  border-color: var(--primary);
}

/* Footer */
.footer {
  background-color: var(--primary-dark);
  color: var(--white);
  padding: 80px 0 20px;
}

.footer h3 {
  color: var(--white);
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
  position: relative;
  padding-bottom: 0.75rem;
}

.footer h3:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 2px;
  background-color: var(--secondary);
}

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

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

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

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  transition: all var(--transition-normal);
}

.footer-links a:hover {
  color: var(--white);
  padding-left: 5px;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.social-links a {
  color: rgba(255, 255, 255, 0.8);
  transition: all var(--transition-normal);
  background-color: rgba(255, 255, 255, 0.1);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-md);
  font-weight: 500;
}

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

.newsletter {
  margin-top: 2rem;
}

.newsletter h4 {
  color: var(--white);
  margin-bottom: 1rem;
  font-size: 1.25rem;
}

.newsletter-form .input-group {
  margin-top: 1rem;
  box-shadow: var(--shadow-sm);
  border-radius: var(--border-radius-md);
  overflow: hidden;
}

.newsletter-form .form-control {
  border-radius: var(--border-radius-md) 0 0 var(--border-radius-md);
  border: none;
  padding: 0.75rem 1.25rem;
}

.newsletter-form .btn {
  border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
  padding: 0.75rem 1.25rem;
  background-color: var(--secondary);
}

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

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  margin-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
  margin-bottom: 0;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
}

/* Resources Section */
.resources {
  background-color: var(--gray-ultralight);
}

.resource-card {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  border: none;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  background-color: var(--white);
  margin-bottom: 2rem;
}

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

.resource-links {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  text-align: left;
}

.resource-links li {
  margin-bottom: 0.5rem;
}

.resource-links a {
  color: var(--primary);
  transition: all var(--transition-normal);
  display: inline-block;
}

.resource-links a:hover {
  color: var(--primary-dark);
  transform: translateX(5px);
}

/* Success Page */
.success-page {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(135deg, var(--primary-ultralight) 0%, var(--gray-ultralight) 100%);
}

.success-content {
  max-width: 600px;
  padding: 3rem;
  background-color: var(--white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

.success-icon {
  font-size: 5rem;
  color: var(--tertiary);
  margin-bottom: 2rem;
  animation: bounceIn 1s;
}

.success-content h2 {
  color: var(--primary);
  margin-bottom: 1.5rem;
}

.success-content p {
  margin-bottom: 2rem;
}

/* Privacy and Terms Pages */
.page-content {
  padding-top: 100px;
  padding-bottom: 80px;
}

.page-content .container {
  max-width: 800px;
}

.page-content h1 {
  margin-bottom: 2rem;
  color: var(--primary);
}

.page-content h2 {
  color: var(--primary-dark);
  margin: 2.5rem 0 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--primary-light);
}

.page-content p, .page-content ul, .page-content ol {
  margin-bottom: 1.5rem;
}

.page-content ul, .page-content ol {
  padding-left: 2rem;
}

.page-content ul li, .page-content ol li {
  margin-bottom: 0.5rem;
}

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

@keyframes bounceIn {
  0%, 20%, 40%, 60%, 80%, 100% {
    transition-timing-function: cubic-bezier(0.215, 0.610, 0.355, 1.000);
  }
  
  0% {
    opacity: 0;
    transform: scale3d(0.3, 0.3, 0.3);
  }
  
  20% {
    transform: scale3d(1.1, 1.1, 1.1);
  }
  
  40% {
    transform: scale3d(0.9, 0.9, 0.9);
  }
  
  60% {
    opacity: 1;
    transform: scale3d(1.03, 1.03, 1.03);
  }
  
  80% {
    transform: scale3d(0.97, 0.97, 0.97);
  }
  
  100% {
    opacity: 1;
    transform: scale3d(1, 1, 1);
  }
}

/* Media Queries */
@media (max-width: 1199.98px) {
  .section-padding {
    padding: 70px 0;
  }
  
  .hero {
    padding: 180px 0 80px;
  }
  
  .hero-content h1 {
    font-size: 2.5rem;
  }
}

@media (max-width: 991.98px) {
  .section-padding {
    padding: 60px 0;
  }
  
  .hero {
    padding: 160px 0 60px;
  }
  
  .hero-content h1 {
    font-size: 2.25rem;
  }
  
  .event-item {
    flex-direction: column;
  }
  
  .event-date {
    margin-right: 0;
    margin-bottom: 1rem;
  }
}

@media (max-width: 767.98px) {
  .section-padding {
    padding: 50px 0;
  }
  
  .section-header {
    margin-bottom: 40px;
  }
  
  .hero {
    padding: 130px 0 50px;
  }
  
  .hero-content h1 {
    font-size: 2rem;
  }
  
  .hero-content p {
    font-size: 1.1rem;
  }
  
  .card-image {
    height: 200px;
  }
}

@media (max-width: 575.98px) {
  .section-padding {
    padding: 40px 0;
  }
  
  .section-header {
    margin-bottom: 30px;
  }
  
  .hero {
    padding: 120px 0 40px;
  }
  
  .hero-content h1 {
    font-size: 1.75rem;
  }
  
  .hero-content p {
    font-size: 1rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: 0.75rem;
  }
  
  .btn {
    width: 100%;
  }
  
  .card-content {
    padding: 1.5rem;
  }
  
  .footer {
    padding: 60px 0 20px;
  }
}