:root {
  /* Tetrad color scheme for retro biomorphic design */
  --primary-color: #FF6B6B;
  --secondary-color: #4ECDC4;
  --tertiary-color: #FFE66D;
  --quaternary-color: #6B5B95;
  
  /* Dark and light variants for hover effects and contrast */
  --primary-dark: #E15050;
  --secondary-dark: #3AB8B0;
  --tertiary-dark: #E5CD50;
  --quaternary-dark: #574A7B;
  
  /* Background colors */
  --bg-light: #F7F9FC;
  --bg-dark: #292F36;
  --bg-gradient: linear-gradient(135deg, rgba(255, 107, 107, 0.1) 0%, rgba(78, 205, 196, 0.1) 100%);
  
  /* Text colors */
  --text-dark: #292F36;
  --text-light: #F7F9FC;
  --text-muted: #6C757D;
  
  /* Card & Section styling */
  --card-border-radius: 16px;
  --card-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
  --section-padding: 80px 0;
  
  /* Transitions */
  --transition-fast: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Overlay for parallax sections */
  --overlay-dark: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.7));
  --overlay-light: linear-gradient(rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.9));
  
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.15);
  --glass-border: 1px solid rgba(255, 255, 255, 0.2);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  --glass-blur: blur(8px);
}

/* Typography */
body {
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--bg-light);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6, .navbar-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  color: var(--text-dark);
}

.section-title {
  position: relative;
  margin-bottom: 15px;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-dark);
}

.section-subtitle {
  font-size: 1.25rem;
  margin-bottom: 30px;
  color: var(--text-muted);
}

/* Navbar Styling */
.navbar {
  background-color: var(--bg-dark);
  padding: 15px 0;
  transition: var(--transition-fast);
}

.navbar-brand {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--secondary-color) !important;
}

.navbar-dark .navbar-nav .nav-link {
  color: var(--text-light);
  font-weight: 500;
  padding: 10px 15px;
  position: relative;
  transition: var(--transition-fast);
}

.navbar-dark .navbar-nav .nav-link:before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 15px;
  right: 15px;
  height: 3px;
  background-color: var(--primary-color);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link:focus {
  color: var(--primary-color);
}

.navbar-dark .navbar-nav .nav-link:hover:before,
.navbar-dark .navbar-nav .nav-link:focus:before {
  transform: scaleX(1);
}

/* Button Styling - Global */
.btn, 
button, 
input[type='submit'] {
  font-weight: 500;
  border-radius: 30px;
  padding: 12px 30px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  z-index: 1;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn:after, 
button:after, 
input[type='submit']:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.1);
  z-index: -2;
  transform: scale(0, 0);
  transform-origin: bottom center;
  transition: transform 0.5s cubic-bezier(0.55, 0.085, 0.68, 0.53);
  border-radius: 50%;
}

.btn:hover:after, 
button:hover:after, 
input[type='submit']:hover:after {
  transform: scale(2, 2);
}

.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);
  transform: translateY(-3px);
}

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

.btn-outline-primary:hover, 
.btn-outline-primary:focus {
  background-color: var(--primary-color);
  color: white;
  transform: translateY(-3px);
}

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

.btn-outline-light:hover, 
.btn-outline-light:focus {
  background-color: var(--text-light);
  color: var(--primary-color);
  transform: translateY(-3px);
}

.animated-btn {
  position: relative;
  transition: var(--transition-fast);
}

.animated-btn:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

/* Hero Section */
.hero-section {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
}

.hero-overlay:after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--overlay-dark);
  z-index: 1;
}

.hero-section .container {
  position: relative;
  z-index: 2;
}

.hero-section h1 {
  color: white;
  margin-bottom: 20px;
  font-size: 3.5rem;
  font-weight: 700;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-section .lead {
  font-size: 1.5rem;
  margin-bottom: 30px;
  color: white;
}

.hero-cta {
  margin-top: 30px;
}

.progress-indicators {
  display: flex;
  justify-content: center;
  gap: 10px;
}

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

.progress-item.active {
  background-color: var(--primary-color);
  transform: scale(1.2);
}

/* Parallax Section */
.parallax-section {
  position: relative;
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  color: var(--text-light);
  padding: var(--section-padding);
}

.parallax-section:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--overlay-dark);
  z-index: 1;
}

.parallax-section .container {
  position: relative;
  z-index: 2;
}

/* Methodology Section */
.methodology-section {
  padding: var(--section-padding);
  background-color: var(--bg-light);
  background-image: var(--bg-gradient);
}

.methodology-card {
  height: 100%;
  border-radius: var(--card-border-radius);
  border: none;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: var(--transition-slow);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.methodology-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.methodology-card .card-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
}

.methodology-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
}

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

.methodology-card .card-content {
  padding: 25px;
  text-align: center;
}

.animated-icon {
  margin-bottom: 20px;
  display: inline-block;
}

.icon-circle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: var(--secondary-color);
  color: white;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto 20px;
  transition: var(--transition-fast);
}

.methodology-card:hover .icon-circle {
  transform: scale(1.1) rotate(5deg);
  background-color: var(--primary-color);
}

/* Success Stories Section */
.success-stories-section {
  padding: var(--section-padding);
  background-color: var(--quaternary-color);
  color: var(--text-light);
}

.success-stories-section .section-title,
.success-stories-section .section-subtitle {
  color: var(--text-light);
}

.success-card {
  height: 100%;
  border-radius: var(--card-border-radius);
  border: none;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: var(--transition-slow);
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: white;
  color: var(--text-dark);
}

.success-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.success-card .card-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
}

.success-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
}

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

.success-card .card-content {
  padding: 25px;
  text-align: center;
}

.testimonial-position {
  color: var(--primary-color);
  font-weight: 500;
  margin-bottom: 15px;
}

.progress {
  height: 8px;
  margin-top: 20px;
  background-color: rgba(0, 0, 0, 0.05);
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar {
  background-color: var(--primary-color);
  border-radius: 4px;
}

/* Projects Section */
.projects-section {
  padding: var(--section-padding);
  background-color: var(--bg-light);
}

.project-card {
  height: 100%;
  border-radius: var(--card-border-radius);
  border: none;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: var(--transition-slow);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.project-card .card-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
}

.project-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
}

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

.project-card .card-content {
  padding: 25px;
  text-align: center;
}

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

.research-content {
  padding: 30px;
}

.research-content h3 {
  color: var(--text-dark);
  margin-bottom: 20px;
}

.icon-stats {
  display: inline-block;
  width: 50px;
  height: 50px;
  background-color: var(--quaternary-color);
  color: white;
  text-align: center;
  line-height: 50px;
  border-radius: 50%;
  transition: var(--transition-fast);
}

.research-content:hover .icon-stats {
  transform: rotate(15deg) scale(1.1);
}

/* History Section */
.history-section {
  padding: var(--section-padding);
  background-color: var(--bg-light);
  background-image: var(--bg-gradient);
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline:before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: 2px;
  height: 100%;
  background-color: var(--secondary-color);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  width: 100%;
  padding: 20px 0;
}

.timeline-dot {
  position: absolute;
  top: 30px;
  left: 50%;
  width: 20px;
  height: 20px;
  background-color: var(--secondary-color);
  border-radius: 50%;
  transform: translateX(-50%);
  z-index: 2;
  transition: var(--transition-fast);
}

.timeline-item:hover .timeline-dot {
  background-color: var(--primary-color);
  transform: translateX(-50%) scale(1.2);
}

.timeline-content {
  position: relative;
  width: 45%;
  padding: 20px;
  background-color: white;
  border-radius: var(--card-border-radius);
  box-shadow: var(--card-shadow);
  margin-left: auto;
  transition: var(--transition-slow);
}

.timeline-item:nth-child(even) .timeline-content {
  margin-left: 0;
  margin-right: auto;
}

.timeline-content h3 {
  color: var(--primary-color);
  margin-bottom: 10px;
}

.timeline-item:hover .timeline-content {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

/* External Resources Section */
.external-resources-section {
  padding: var(--section-padding);
  background-color: var(--bg-light);
}

.resource-card {
  height: 100%;
  border-radius: var(--card-border-radius);
  border: none;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: var(--transition-slow);
  background-color: white;
  padding: 30px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
}

.resource-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.resource-card h3 {
  color: var(--text-dark);
  margin-bottom: 15px;
}

/* Events Calendar Section */
.events-calendar-section {
  padding: var(--section-padding);
  background-color: var(--quaternary-color);
  color: var(--text-light);
}

.events-calendar-section .section-title,
.events-calendar-section .section-subtitle {
  color: var(--text-light);
}

.event-card {
  height: 100%;
  border-radius: var(--card-border-radius);
  border: none;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: var(--transition-slow);
  background-color: white;
  color: var(--text-dark);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.event-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.event-card .card-image {
  position: relative;
  width: 100%;
  height: 200px;
  overflow: hidden;
}

.event-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
}

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

.event-date {
  position: absolute;
  top: 15px;
  right: 15px;
  width: 60px;
  height: 70px;
  background-color: var(--primary-color);
  color: white;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  z-index: 1;
}

.event-date .day {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
}

.event-date .month {
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
}

.event-card .card-content {
  padding: 25px;
  text-align: center;
}

/* Behind the Scenes Section */
.behind-scenes-section {
  padding: var(--section-padding);
  background-color: var(--bg-light);
  background-image: var(--bg-gradient);
}

.behind-content {
  padding: 30px;
}

.behind-content h3 {
  color: var(--text-dark);
  margin-bottom: 20px;
}

.progress-container {
  margin-top: 30px;
}

.progress-label {
  margin-bottom: 5px;
  font-weight: 500;
}

/* Accolades Section */
.accolades-section {
  padding: var(--section-padding);
  background-color: var(--secondary-color);
  color: var(--text-light);
}

.accolades-section .section-title,
.accolades-section .section-subtitle {
  color: var(--text-light);
}

.accolade-card {
  height: 100%;
  border-radius: var(--card-border-radius);
  border: none;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: var(--transition-slow);
  background-color: white;
  color: var(--text-dark);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.accolade-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.accolade-card .card-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
}

.accolade-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
}

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

.accolade-card .card-content {
  padding: 25px;
  text-align: center;
}

/* Careers Section */
.careers-section {
  padding: var(--section-padding);
  background-color: var(--bg-light);
}

.careers-content {
  padding: 30px;
}

.careers-content h3 {
  color: var(--text-dark);
  margin-bottom: 20px;
}

.careers-list {
  list-style: none;
  padding: 0;
  margin: 20px 0;
}

.careers-list li {
  padding: 10px 0;
  display: flex;
  align-items: center;
}

.careers-list li .animated-icon {
  display: inline-block;
  width: 10px;
  height: 10px;
  background-color: var(--primary-color);
  border-radius: 50%;
  margin-right: 15px;
  transition: var(--transition-fast);
}

.careers-list li:hover .animated-icon {
  transform: scale(1.5);
}

/* Contact Section */
.contact-section {
  padding: var(--section-padding);
  background-color: var(--tertiary-color);
}

.contact-info {
  padding: 30px;
  height: 100%;
}

.contact-info h3 {
  color: var(--text-dark);
  margin-bottom: 20px;
}

.contact-details {
  list-style: none;
  padding: 0;
  margin: 30px 0;
}

.contact-details li {
  padding: 10px 0;
  display: flex;
  align-items: center;
}

.contact-details li .animated-icon {
  margin-right: 15px;
  color: var(--primary-color);
}

.icon-location, .icon-phone, .icon-email, .icon-clock {
  display: inline-block;
  width: 40px;
  height: 40px;
  line-height: 40px;
  text-align: center;
  background-color: var(--primary-color);
  color: white;
  border-radius: 50%;
  transition: var(--transition-fast);
}

.contact-details li:hover .animated-icon span {
  transform: scale(1.1);
}

.social-links {
  display: flex;
  gap: 15px;
}

.social-link {
  display: inline-block;
  padding: 8px 15px;
  background-color: var(--primary-color);
  color: white;
  border-radius: 30px;
  text-decoration: none;
  transition: var(--transition-fast);
  font-weight: 500;
}

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

.contact-form-container {
  background-color: white;
  border-radius: var(--card-border-radius);
  padding: 30px;
  box-shadow: var(--card-shadow);
  height: 100%;
}

.contact-form-container h3 {
  margin-bottom: 20px;
  color: var(--text-dark);
}

.form-control, .form-select {
  border-radius: 8px;
  padding: 12px 15px;
  border: 1px solid #ced4da;
  transition: var(--transition-fast);
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.25rem rgba(255, 107, 107, 0.25);
}

/* Footer Styling */
.site-footer {
  background-color: var(--bg-dark);
  color: var(--text-light);
  padding: 70px 0 20px;
}

.site-footer h4 {
  color: var(--text-light);
  margin-bottom: 20px;
  font-size: 1.5rem;
}

.site-footer h5 {
  color: var(--primary-color);
  margin-bottom: 15px;
  font-size: 1.1rem;
}

.site-footer p {
  color: rgba(255, 255, 255, 0.7);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
}

.footer-links li {
  padding: 5px 0;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: var(--transition-fast);
}

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

.copyright-text {
  margin-top: 20px;
  color: rgba(255, 255, 255, 0.5);
}

.footer-payment p {
  color: rgba(255, 255, 255, 0.5);
  text-align: right;
}

/* Card Images Styling */
.card-image {
  width: 100%;
  height: auto;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
}

/* Success Page */
.success-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 30px;
}

.success-icon {
  font-size: 5rem;
  color: var(--secondary-color);
  margin-bottom: 30px;
}

/* Privacy & Terms Pages */
.privacy-page, .terms-page {
  padding-top: 100px;
  padding-bottom: 50px;
}

.privacy-content, .terms-content {
  background-color: white;
  border-radius: var(--card-border-radius);
  padding: 40px;
  box-shadow: var(--card-shadow);
}

/* Animations & 3D Effects */
@keyframes float {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
  100% {
    transform: translateY(0px);
  }
}

.float-animation {
  animation: float 3s ease-in-out infinite;
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

.pulse-animation {
  animation: pulse 2s ease-in-out infinite;
}

/* Responsive Adjustments */
@media (max-width: 991.98px) {
  .section-title {
    font-size: 2rem;
  }
  
  .hero-section h1 {
    font-size: 2.5rem;
  }
  
  .hero-section .lead {
    font-size: 1.2rem;
  }
  
  .timeline:before {
    left: 30px;
  }
  
  .timeline-dot {
    left: 30px;
  }
  
  .timeline-content {
    width: calc(100% - 60px);
    margin-left: 60px;
  }
  
  .timeline-item:nth-child(even) .timeline-content {
    margin-left: 60px;
    margin-right: 0;
  }
  
  .contact-info, .careers-content, .behind-content, .research-content {
    padding: 20px 0;
  }
}

@media (max-width: 767.98px) {
  .section-padding {
    padding: 60px 0;
  }
  
  .hero-section {
    min-height: 70vh;
  }
  
  .btn-lg {
    padding: 10px 20px;
    font-size: 1rem;
  }
  
  .social-links {
    flex-wrap: wrap;
  }
}

@media (max-width: 575.98px) {
  .section-title {
    font-size: 1.75rem;
  }
  
  .section-subtitle {
    font-size: 1rem;
  }
  
  .hero-section h1 {
    font-size: 2rem;
  }
  
  .hero-section .lead {
    font-size: 1rem;
  }
  
  .event-date {
    width: 50px;
    height: 60px;
  }
  
  .event-date .day {
    font-size: 1.2rem;
  }
  
  .event-date .month {
    font-size: 0.8rem;
  }
}