/* Base Styles */
:root {
  --primary-color: #4a6741;
  --secondary-color: #81de73;
  --accent-color: #81de73;
  --dark-color: #333333;
  --light-color: #f5f5f5;
  --white-color: #ffffff;
  --gray-color: #777777;
  --light-gray: #eeeeee;
  --font-primary: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  --transition: all 0.3s ease;
  --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --border-radius: 8px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: var(--dark-color);
  background-color: var(--white-color);
}

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

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

ul {
  list-style: none;
}

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

button {
  cursor: pointer;
  font-family: var(--font-primary);
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

/* Header & Navigation */
header {
  background-color: var(--white-color);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 1rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo-container {
    display: flex;
    justify-content: center;
    margin-bottom: 15px;
}

.logo-link {
    display: inline-flex;
    align-items: center;
    text-decoration: none; /* optional: removes underline */
}

.logo {
    height: 60px;
    transition: var(--transition);
    margin-right: 10px;
}

.logo-text {
    color: var(--primary-color);
    font-size: 1.8rem;
    font-weight: 700;
}


header.scrolled .logo {
    height: 50px;
}
nav {
  display: flex;
  align-items: center;
}

.nav-links {
  display: flex;
  margin-right: 2rem;
}

.nav-links li {
  position: relative;
  margin: 0 1rem;
}

.nav-links a {
  color: var(--dark-color);
  font-weight: 500;
  padding: 0.5rem 0;
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary-color);
}

.nav-links a.active::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--primary-color);
}

.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--white-color);
  box-shadow: var(--box-shadow);
  border-radius: var(--border-radius);
  width: 200px;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 100;
}

.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu li {
  margin: 0.5rem 0;
}

.dropdown-menu a {
  display: block;
  padding: 0.5rem;
  color: var(--dark-color);
}

.dropdown-menu a:hover {
  background-color: var(--light-gray);
  border-radius: 4px;
}

.connect-btn {
  /*background-color:  var(--accent-color);*/
  background-color: black;
  color: var(--white-color);
  border: none;
  padding: 0.6rem 1.5rem;
  border-radius: 30px;
  font-weight: 600;
  transition: var(--transition);
}

.connect-btn:hover {
  background-color: var(--accent-color);
  transform: translateY(-2px);
}

.menu-toggle {
  display: none;
  font-size: 1.5rem;
  color: var(--dark-color);
  cursor: pointer;
}

/* Hero Section */
.hero {
  position: relative;
  height: 100vh;
  overflow: hidden;
  color: white;
  text-align: center;
}

.hero-image,
.background-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(10, 10, 10, 0.4);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  top: 50%;
  transform: translateY(-50%);
  padding: 0 5%;
  text-align: left; /* Align left */
  max-width: 700px;
}
.hero-content h1 {
  white-space: nowrap;
}

.hero h1 {
  font-size: 5rem;
  font-weight: 900;
  margin: 0;
}

.hero h2 {
  font-size: 2rem;
  font-weight: 700;
  margin: 10px 0;
}

.hero .quote {
  font-size: 1.2rem;
  margin: 20px 0;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-icons {
  margin-top: 20px;
}

.hero-icons a {
  background: #65e6d1;
  color: white;
  padding: 10px;
  margin: 0 6px;
  font-size: 1.1rem;
  border-radius: 5px;
  text-decoration: none;
}

.hide {
  display: none;
}

.show {
  display: block;
}


/* Featured Projects Section */
.featured-projects {
  padding: 5rem 5%;
  background-color: var(--light-color);
}

.featured-projects h2 {
  text-align: center;
  font-size: 2.2rem;
  margin-bottom: 3rem;
  color: var(--primary-color);
}

.project-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.project-card {
  background-color: var(--white-color);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.project-img {
  height: 200px;
  background-size: cover;
  background-position: center;
}

.project-card h3 {
  padding: 1.5rem 1.5rem 0.5rem;
  color: var(--primary-color);
}

.project-card p {
  padding: 0 1.5rem 1.5rem;
  color: var(--gray-color);
}

.read-more {
  display: inline-block;
  margin: 0 1.5rem 1.5rem;
  color: var(--primary-color);
  font-weight: 600;
}

.read-more:hover {
  color: var(--accent-color);
}
/* Community Impact Section */
.community-impact {
  padding: 5rem 5%;
  background-color: var(--white-color);
}

.impact-content {
  max-width: 1200px;
  margin: 0 auto;
}

.community-impact h2 {
  text-align: center;
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
  color: var(--primary-color);
}

.community-impact > p {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3rem;
  color: var(--gray-color);
}

.impact-points {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.impact-point {
  text-align: center;
  padding: 2rem;
  background-color: var(--light-color);
  border-radius: var(--border-radius);
  transition: var(--transition);
}

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

.impact-point i {
  font-size: 2.5rem;
  color: black; /* Updated icon color to black */
  margin-bottom: 1rem;
}

.impact-point h3 {
  margin-bottom: 1rem;
  color: var(--primary-color);
}

/* Team Preview Section */
.team-preview {
  padding: 5rem 5%;
  background-color: var(--light-color);
  text-align: center;
}

.team-preview h2 {
  font-size: 2.2rem;
  margin-bottom: 3rem;
  color: var(--primary-color);
}

.team-carousel {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.team-member {
  background-color: var(--white-color);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  width: 280px;
  transition: var(--transition);
}

.team-member:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.member-img {
  height: 280px;
  background-size: cover;
  background-position: center;
}

.team-member h3 {
  padding: 1.5rem 1rem 0.5rem;
  color: var(--primary-color);
}

.team-member p {
  padding: 0 1rem 1.5rem;
  color: var(--gray-color);
}

.view-all {
  display: inline-block;
  margin-top: 1rem;
  color: var(--primary-color);
  font-weight: 600;
  font-size: 1.1rem;
}

.view-all:hover {
  color: var(--accent-color);
}

/* Contact Form Section */
.contact-form-section {
  padding: 5rem 5%;
  background-color: var(--white-color);
}

.form-container {
  max-width: 800px;
  margin: 0 auto;
  background-color: var(--light-color);
  padding: 3rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.contact-form-section h2 {
  text-align: center;
  font-size: 2.2rem;
  margin-bottom: 2rem;
  color: var(--primary-color);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-family: var(--font-primary);
  font-size: 1rem;
}

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

.submit-btn {
  background-color: var(--primary-color);
  color: var(--white-color);
  border: none;
  padding: 0.8rem 2rem;
  border-radius: 30px;
  font-size: 1rem;
  font-weight: 600;
  transition: var(--transition);
  display: block;
  margin: 0 auto;
}

.submit-btn:hover {
  background-color: var(--accent-color);
  transform: translateY(-3px);
}

/* Footer */
footer {
  background-color: var(--dark-color);
  color: var(--white-color);
  padding: 4rem 5% 0;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-logo h2 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

.footer-logo p {
  color: #ccc;
}

.footer-links h3,
.footer-contact h3,
.footer-social h3 {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  position: relative;
}

.footer-links h3::after,
.footer-contact h3::after,
.footer-social h3::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 50px;
  height: 2px;
  background-color: var(--accent-color);
}

.footer-links ul li {
  margin-bottom: 0.8rem;
}

.footer-links a {
  color: #ccc;
  transition: var(--transition);
}

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

.footer-contact p {
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
  color: #ccc;
}

.footer-contact i {
  margin-right: 10px;
  color: var(--accent-color);
}

.social-icons {
  display: flex;
  gap: 1rem;
}

.social-icons a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: var(--white-color);
  transition: var(--transition);
}

.social-icons a:hover {
  background-color: var(--accent-color);
  transform: translateY(-3px);
}

.footer-bottom {
  text-align: center;
  padding: 1.5rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
  color: #aaa;
  font-size: 0.9rem;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}

.modal.active {
  display: flex;
}

.modal-content {
  background-color: var(--white-color);
  padding: 2rem;
  border-radius: var(--border-radius);
  width: 90%;
  max-width: 600px;
  position: relative;
  animation: modalOpen 0.4s;
}

@keyframes modalOpen {
  from {
    opacity: 0;
    transform: translateY(-50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.close-modal {
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--gray-color);
  transition: var(--transition);
}

.close-modal:hover {
  color: var(--primary-color);
}

/* Page Banner */
.page-banner {
  background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url("images/page-banner.jpg");
  background-size: cover;
  background-position: center;
  color: var(--white-color);
  text-align: center;
  padding: 6rem 2rem;
}

.banner-content h1 {
  font-size: 2.8rem;
  margin-bottom: 1rem;
}

.banner-content p {
  font-size: 1.2rem;
  opacity: 0.9;
}

/* About Page Styles */
.about-content {
  padding: 5rem 5%;
}

.about-mission,
.about-vision {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  margin-bottom: 5rem;
}

.mission-text,
.vision-text {
  padding: 2rem;
}

.mission-text h2,
.vision-text h2 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: var(--primary-color);
}

.mission-text p,
.vision-text p {
  margin-bottom: 1rem;
  color: var(--gray-color);
}

.mission-image img,
.vision-image img {
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.about-history {
  text-align: center;
  margin-top: 3rem;
}

.about-history h2 {
  font-size: 2rem;
  margin-bottom: 3rem;
  color: var(--primary-color);
}

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

.timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background-color: var(--primary-color);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  margin-bottom: 3rem;
}

.timeline-dot {
  position: absolute;
  left: 50%;
  width: 20px;
  height: 20px;
  background-color: var(--accent-color);
  border-radius: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.timeline-content {
  position: relative;
  width: 45%;
  padding: 1.5rem;
  background-color: var(--light-color);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

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

.timeline-content h3 {
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.collaborators {
  padding: 5rem 5%;
  background-color: var(--light-color);
  text-align: center;
}

.collaborators h2 {
  font-size: 2.2rem;
  margin-bottom: 3rem;
  color: var(--primary-color);
}

.collaborator-logos {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.collaborator {
  text-align: center;
}

.collaborator img {
  width: 150px;
  height: auto;
  margin-bottom: 1rem;
}

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

/* Team Page Styles */
.team-section {
  padding: 5rem 5%;
}

.team-section h2 {
  text-align: center;
  font-size: 2.2rem;
  margin-bottom: 3rem;
  color: var(--primary-color);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.team-member-card {
  background-color: var(--white-color);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.team-member-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.member-photo {
  height: 300px;
  overflow: hidden;
}

.member-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.team-member-card:hover .member-photo img {
  transform: scale(1.05);
}

.member-info {
  padding: 1.5rem;
}

.member-info h3 {
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.member-title {
  color: var(--accent-color);
  font-weight: 600;
  margin-bottom: 1rem;
}

.member-bio {
  color: var(--gray-color);
  margin-bottom: 1rem;
}

.member-social {
  display: flex;
  gap: 1rem;
}

.member-social a {
  color: var(--gray-color);
  font-size: 1.2rem;
  transition: var(--transition);
}

.member-social a:hover {
  color: var(--primary-color);
}

.join-team {
  padding: 5rem 5%;
  background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url("images/join-team.jpg");
  background-size: cover;
  background-position: center;
  color: var(--white-color);
  text-align: center;
}

.join-content {
  max-width: 800px;
  margin: 0 auto;
}

.join-content h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.join-content p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

/* Projects Page Styles */
.project-tabs {
  padding: 5rem 5%;
}

.tab-navigation {
  display: flex;
  justify-content: center;
  margin-bottom: 3rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.tab-btn {
  background-color: var(--light-color);
  border: none;
  padding: 0.8rem 2rem;
  border-radius: 30px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--dark-color);
  transition: var(--transition);
}

.tab-btn:hover,
.tab-btn.active {
  background-color: var(--primary-color);
  color: var(--white-color);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.research-project {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  margin-bottom: 5rem;
  padding: 2rem;
  background-color: var(--light-color);
  border-radius: var(--border-radius);
}

.project-details h2 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: var(--primary-color);
}

.project-details p {
  margin-bottom: 1rem;
  color: var(--gray-color);
}

.project-stats {
  display: flex;
  gap: 2rem;
  margin-top: 2rem;
}

.stat h3 {
  font-size: 1.8rem;
  color: var(--accent-color);
  margin-bottom: 0.5rem;
}

.project-image img {
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  width: 100%;
}

.outreach-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

.outreach-card {
  background-color: var(--white-color);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.outreach-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.outreach-image {
  height: 200px;
  overflow: hidden;
}

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

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

.outreach-content {
  padding: 1.5rem;
}

.outreach-content h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.outreach-content p {
  color: var(--gray-color);
  margin-bottom: 1rem;
}

.outreach-details {
  color: var(--gray-color);
  font-size: 0.9rem;
}

.outreach-details p {
  display: flex;
  align-items: center;
  margin-bottom: 0.5rem;
}

.outreach-details i {
  margin-right: 0.5rem;
  color: var(--accent-color);
}

.impact-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
  text-align: center;
}

.impact-stat {
  background-color: var(--white-color);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent-color);
  margin-bottom: 1rem;
}

.stat-label {
  color: var(--gray-color);
  font-weight: 500;
}

.impact-stories h3 {
  text-align: center;
  font-size: 1.8rem;
  margin-bottom: 2rem;
  color: var(--primary-color);
}

.story-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.story-card {
  background-color: var(--white-color);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.story-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.story-image {
  height: 200px;
  overflow: hidden;
}

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

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

.story-content {
  padding: 1.5rem;
}

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

.story-content p {
  color: var(--gray-color);
  margin-bottom: 1rem;
}

.transformation-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3rem;
}

.transformation-timeline {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
}

.transformation-timeline .timeline-item {
  margin-bottom: 5rem;
}

.transformation-timeline .timeline-marker {
  position: absolute;
  left: 0;
  width: 20px;
  height: 20px;
  background-color: var(--accent-color);
  border-radius: 50%;
}

.transformation-timeline .timeline-content {
  margin-left: 50px;
  width: auto;
  padding: 2rem;
  background-color: var(--light-color);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.transformation-timeline .timeline-content h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.transformation-image {
  margin-top: 1.5rem;
}

.transformation-image img {
  border-radius: var(--border-radius);
  width: 100%;
}

.future-transformations {
  margin-top: 5rem;
}

.future-transformations h3 {
  text-align: center;
  font-size: 1.8rem;
  margin-bottom: 3rem;
  color: var(--primary-color);
}

.goals-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.goal-card {
  background-color: var(--white-color);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  text-align: center;
  transition: var(--transition);
}

.goal-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.goal-icon {
  font-size: 2.5rem;
  color: var(--accent-color);
  margin-bottom: 1.5rem;
}

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

.goal-card p {
  color: var(--gray-color);
}

.get-involved {
  padding: 5rem 5%;
  background-color: var(--light-color);
  text-align: center;
}

.involved-content {
  max-width: 1200px;
  margin: 0 auto;
}

.get-involved h2 {
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
  color: var(--primary-color);
}

.get-involved p {
  max-width: 800px;
  margin: 0 auto 3rem;
  color: var(--gray-color);
}

.involvement-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.involvement-option {
  background-color: var(--white-color);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.involvement-option:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.involvement-option i {
  font-size: 2.5rem;
  color: var(--accent-color);
  margin-bottom: 1.5rem;
}

.involvement-option h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.involvement-option p {
  color: var(--gray-color);
  margin-bottom: 1.5rem;
}

.option-link {
  display: inline-block;
  color: var(--primary-color);
  font-weight: 600;
}

.option-link:hover {
  color: var(--accent-color);
}

/* Responsive Styles */
@media screen and (max-width: 1024px) {
  .hero h1 {
    font-size: 2.5rem;
  }

  .about-mission,
  .about-vision,
  .research-project {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .timeline-content {
    width: 80%;
    margin: 0 auto;
  }

  .timeline::before {
    left: 0;
  }

  .timeline-dot {
    left: 0;
  }

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

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

@media screen and (max-width: 768px) {
  header {
    padding: 1rem 5%;
  }

  .menu-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    height: 100vh;
    background-color: var(--white-color);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    margin: 0;
    z-index: 1001;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
  }

  .nav-links.active {
    right: 0;
  }

  .nav-links li {
    margin: 1.5rem 0;
  }

  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    width: 100%;
    box-shadow: none;
    padding: 0.5rem 0;
    display: none;
  }

  .dropdown.active .dropdown-menu {
    display: block;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .project-stats {
    flex-direction: column;
    gap: 1rem;
  }

  .team-carousel {
    flex-direction: column;
    align-items: center;
  }

  .team-member {
    width: 100%;
    max-width: 350px;
  }

  .form-container {
    padding: 2rem 1.5rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-links h3::after,
  .footer-contact h3::after,
  .footer-social h3::after {
    left: 50%;
    transform: translateX(-50%);
  }

  .footer-contact p {
    justify-content: center;
  }

  .social-icons {
    justify-content: center;
  }
}

@media screen and (max-width: 480px) {
  .hero h1 {
    font-size: 1.8rem;
  }
.cta-btn {
  background-color: #81de73;
  color: white;
  border: none;
  border-radius: 5px;
  padding: 0.7rem 1.5rem;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s ease;
}

.cta-btn:hover {
  background-color: #6ccf64;
  transform: translateY(-2px);
}

  .cta-btn,
  .submit-btn {
    padding: 0.7rem 1.5rem;
    font-size: 0.9rem;
  }

  .banner-content h1 {
    font-size: 2rem;
  }

  .tab-btn {
    padding: 0.7rem 1.2rem;
    font-size: 0.9rem;
  }
}