:root {
  /* Corporate Design System with Biomorphic Elements */
  
  /* Primary Colors */
  --primary-color: #2C3E50; /* Dark blue */
  --primary-light: #34495E; /* Lighter blue */
  --primary-dark: #1A2530; /* Darker blue */
  
  /* Complementary Colors */
  --secondary-color: #E74C3C; /* Vibrant red */
  --secondary-light: #F1948A; /* Lighter red */
  --secondary-dark: #B83227; /* Darker red */
  
  /* Accent Colors */
  --accent-color: #3498DB; /* Bright blue */
  --accent-light: #85C1E9; /* Lighter bright blue */
  --accent-dark: #2874A6; /* Darker bright blue */
  
  /* Neutral Colors */
  --white: #FFFFFF;
  --off-white: #F8F9FA;
  --light-gray: #E9ECEF;
  --mid-gray: #CED4DA;
  --dark-gray: #6C757D;
  --black: #212529;
  
  /* Biomorphic Elements */
  --bio-radius: 12px; /* Rounded corners */
  --bio-shadow: 0 8px 20px rgba(0, 0, 0, 0.1); /* Soft shadow */
  --bio-gradient: linear-gradient(135deg, var(--accent-light), var(--accent-color)); /* Gradient for biomorphic elements */
  
  /* Typography */
  --heading-font: 'Manrope', sans-serif;
  --body-font: 'Rubik', sans-serif;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Container */
  --container-padding: 2rem;
  --container-max-width: 1200px;
  
  /* Card & Section Styles */
  --card-padding: 2rem;
  --section-spacing: 5rem;
}

/* Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--body-font);
  color: var(--black);
  line-height: 1.6;
  background-color: var(--off-white);
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: var(--accent-color);
  transition: color var(--transition-medium);
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--heading-font);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-sm);
  color: var(--primary-color);
}

h1 {
  font-size: 3.5rem;
  margin-bottom: var(--space-md);
}

h2 {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
}

h3 {
  font-size: 2rem;
}

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

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* Buttons */
.btn, 
button, 
input[type="submit"] {
  display: inline-block;
  padding: 0.8rem 2rem;
  font-family: var(--heading-font);
  font-weight: 600;
  font-size: 1rem;
  text-align: center;
  cursor: pointer;
  border: none;
  border-radius: var(--bio-radius);
  transition: all var(--transition-medium);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.btn.primary, 
button.primary, 
input[type="submit"].primary {
  background-color: var(--secondary-color);
  color: var(--white);
}

.btn.primary:hover {
  background-color: var(--secondary-dark);
  transform: translateY(-2px);
  box-shadow: var(--bio-shadow);
}

.btn.secondary, 
button.secondary, 
input[type="submit"].secondary {
  background-color: var(--accent-color);
  color: var(--white);
}

.btn.secondary:hover {
  background-color: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--bio-shadow);
}

/* Section Styles */
section {
  padding: var(--section-spacing) 0;
}

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

.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: var(--bio-gradient);
  margin: var(--space-sm) auto 0;
  border-radius: 2px;
}

.section-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-lg);
  font-size: 1.2rem;
  color: var(--dark-gray);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
  transition: all var(--transition-medium);
}

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

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo a {
  display: block;
}

.logo img {
  height: 60px;
  width: auto;
}

.nav-desktop ul {
  display: flex;
  list-style: none;
}

.nav-desktop ul li {
  margin-left: var(--space-md);
}

.nav-desktop ul li a {
  color: var(--primary-color);
  font-weight: 500;
  padding: 0.5rem;
  position: relative;
}

.nav-desktop ul li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--secondary-color);
  transition: width var(--transition-medium);
}

.nav-desktop ul li a:hover::after,
.nav-desktop ul li a.active::after {
  width: 100%;
}

.nav-mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  cursor: pointer;
}

.nav-mobile-toggle span {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--primary-color);
  transition: all var(--transition-medium);
}

.nav-mobile {
  display: none;
}

/* Hero Section */
.hero-section {
  padding-top: 0;
  margin-top: 0;
  height: 100vh;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--white);
  position: relative;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(0,0,0,0.7), rgba(0,0,0,0.4));
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-content h1 {
  color: var(--white);
  margin-bottom: var(--space-md);
  font-size: 3.5rem;
  line-height: 1.2;
}

.hero-content p {
  font-size: 1.5rem;
  margin-bottom: var(--space-lg);
  color: var(--white);
}

.hero-buttons {
  display: flex;
  gap: var(--space-sm);
}

/* About Section */
.about-section {
  background-color: var(--white);
}

.about-content {
  display: flex;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.about-image {
  flex: 0 0 45%;
}

.about-image img {
  border-radius: var(--bio-radius);
  box-shadow: var(--bio-shadow);
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.about-text {
  flex: 0 0 55%;
}

.about-text h3 {
  color: var(--primary-color);
  margin-bottom: var(--space-sm);
}

.about-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

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

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

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

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

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

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

/* Methodology Section */
.methodology-section {
  background-color: var(--off-white);
  position: relative;
  overflow: hidden;
}

.methodology-section::before {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(52, 152, 219, 0.1) 0%, rgba(52, 152, 219, 0) 70%);
  z-index: 0;
}

.methodology-content {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
  position: relative;
  z-index: 1;
}

.methodology-image {
  flex: 0 0 45%;
}

.methodology-image img {
  border-radius: var(--bio-radius);
  box-shadow: var(--bio-shadow);
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.methodology-steps {
  flex: 0 0 55%;
}

.accordion {
  width: 100%;
}

.accordion-item {
  margin-bottom: var(--space-sm);
  border-radius: var(--bio-radius);
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
  background-color: var(--white);
  overflow: hidden;
}

.accordion-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem var(--space-md);
  cursor: pointer;
  background-color: var(--white);
  transition: background-color var(--transition-medium);
}

.accordion-header:hover {
  background-color: var(--light-gray);
}

.accordion-header h3 {
  margin: 0;
  font-size: 1.2rem;
}

.accordion-toggle {
  font-size: 1.5rem;
  font-weight: bold;
  transition: transform var(--transition-medium);
}

.accordion-item.active .accordion-toggle {
  transform: rotate(45deg);
}

.accordion-content {
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-medium);
}

.accordion-item.active .accordion-content {
  padding: 0 var(--space-md) var(--space-md);
  max-height: 500px;
}

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

.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-md);
}

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

.resource-card:hover {
  transform: translateY(-5px);
}

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

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

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

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

/* Insights Section */
.insights-section {
  background-color: var(--off-white);
}

.insights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(450px, 1fr));
  gap: var(--space-lg);
}

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

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

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

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

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

.insight-card .btn {
  margin-top: var(--space-sm);
}

/* Media Section */
.media-section {
  background-color: var(--white);
}

.media-tabs {
  margin-top: var(--space-md);
}

.tabs-nav {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-md);
  border-bottom: 1px solid var(--light-gray);
}

.tab-btn {
  background: none;
  border: none;
  padding: 1rem 2rem;
  margin: 0 0.5rem;
  font-size: 1.1rem;
  color: var(--dark-gray);
  cursor: pointer;
  position: relative;
  transition: color var(--transition-medium);
}

.tab-btn::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--secondary-color);
  transition: width var(--transition-medium);
}

.tab-btn:hover,
.tab-btn.active {
  color: var(--secondary-color);
}

.tab-btn.active::after {
  width: 100%;
}

.tabs-content {
  margin-top: var(--space-md);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
  animation: fadeIn var(--transition-medium);
}

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

.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-md);
}

.media-item {
  background-color: var(--white);
  border-radius: var(--bio-radius);
  overflow: hidden;
  box-shadow: var(--bio-shadow);
  transition: transform var(--transition-medium);
  display: flex;
  flex-direction: column;
  align-items: center;
}

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

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

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

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

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

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

.events-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--space-lg);
}

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

.event-card:hover {
  transform: translateY(-5px);
}

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

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

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

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

.event-date {
  display: inline-block;
  background-color: var(--secondary-color);
  color: var(--white);
  padding: 0.3rem 0.8rem;
  border-radius: var(--bio-radius);
  font-size: 0.9rem;
  font-weight: bold;
  margin-bottom: var(--space-sm);
}

.event-location {
  color: var(--dark-gray);
  font-size: 0.9rem;
  margin-top: var(--space-sm);
}

/* Contact Section */
.contact-section {
  background-color: var(--white);
  position: relative;
}

.contact-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
}

.contact-info {
  flex: 1;
  min-width: 300px;
}

.info-item {
  margin-bottom: var(--space-md);
}

.info-item h3 {
  color: var(--primary-color);
  margin-bottom: var(--space-xs);
}

.contact-form {
  flex: 2;
  min-width: 300px;
}

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

label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--primary-color);
  font-weight: 500;
}

input, textarea {
  width: 100%;
  padding: 0.8rem;
  border: 2px solid var(--light-gray);
  border-radius: var(--bio-radius);
  font-family: var(--body-font);
  font-size: 1rem;
  transition: border-color var(--transition-medium);
}

input:focus, textarea:focus {
  border-color: var(--accent-color);
  outline: none;
}

/* Footer */
.footer {
  background-color: var(--primary-color);
  color: var(--white);
  padding: var(--space-lg) 0 var(--space-md);
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
}

.footer-logo {
  flex: 1;
  min-width: 250px;
  margin-bottom: var(--space-md);
}

.footer-logo img {
  margin-bottom: var(--space-sm);
  max-width: 180px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
}

.links-column {
  min-width: 150px;
}

.links-column h3 {
  color: var(--white);
  margin-bottom: var(--space-md);
  font-size: 1.2rem;
}

.links-column ul {
  list-style: none;
}

.links-column ul li {
  margin-bottom: var(--space-sm);
}

.links-column ul li a {
  color: var(--mid-gray);
  transition: color var(--transition-medium);
}

.links-column ul li a:hover {
  color: var(--white);
}

.social-links li a {
  display: flex;
  align-items: center;
  color: var(--mid-gray);
}

.social-links li a:hover {
  color: var(--white);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-md);
  text-align: center;
  font-size: 0.9rem;
  color: var(--mid-gray);
}

/* Success Page */
.success-page {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: var(--space-lg);
}

.success-content {
  max-width: 600px;
}

.success-icon {
  font-size: 5rem;
  color: var(--accent-color);
  margin-bottom: var(--space-md);
}

/* Privacy and Terms Pages */
.privacy-content, .terms-content {
  padding-top: 100px;
}

/* Responsive Styles */
@media (max-width: 992px) {
  html {
    font-size: 14px;
  }
  
  h1 {
    font-size: 3rem;
  }
  
  h2 {
    font-size: 2.2rem;
  }
  
  .about-content {
    flex-direction: column;
  }
  
  .about-image, .about-text {
    flex: 0 0 100%;
  }
  
  .methodology-content {
    flex-direction: column;
  }
  
  .methodology-image, .methodology-steps {
    flex: 0 0 100%;
  }
  
  .methodology-image {
    margin-bottom: var(--space-lg);
  }
  
  .insights-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-desktop {
    display: none;
  }
  
  .nav-mobile-toggle {
    display: flex;
  }
  
  .nav-mobile {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    height: 0;
    background-color: var(--white);
    overflow: hidden;
    transition: height var(--transition-medium);
    z-index: 999;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
  }
  
  .nav-mobile.show {
    height: auto;
  }
  
  .nav-mobile ul {
    list-style: none;
    padding: var(--space-md);
  }
  
  .nav-mobile ul li {
    margin-bottom: var(--space-sm);
  }
  
  .nav-mobile ul li a {
    display: block;
    padding: var(--space-sm) 0;
    color: var(--primary-color);
    font-weight: 500;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .hero-buttons .btn {
    margin-bottom: var(--space-sm);
  }
  
  .footer-content {
    flex-direction: column;
  }
  
  .footer-logo {
    margin-bottom: var(--space-lg);
  }
  
  .links-column {
    margin-bottom: var(--space-md);
  }
}

@media (max-width: 576px) {
  html {
    font-size: 12px;
  }
  
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  .container {
    padding: 0 var(--space-sm);
  }
  
  section {
    padding: var(--space-lg) 0;
  }
  
  .events-grid,
  .resources-grid,
  .media-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-container {
    flex-direction: column;
  }
}

/* Animations */
@keyframes slideInLeft {
  from {
    transform: translateX(-100px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideInRight {
  from {
    transform: translateX(100px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

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

.animate-slide-left {
  animation: slideInLeft var(--transition-slow);
}

.animate-slide-right {
  animation: slideInRight var(--transition-slow);
}

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

/* Additional JavaScript Controlled Classes */
.nav-mobile.show {
  height: auto;
}

.accordion-item.active .accordion-content {
  max-height: 500px;
  padding: 0 var(--space-md) var(--space-md);
}
.nav-mobile-toggle{
  display: none;
}