/* ===== VARIABLES ===== */
:root {
  /* Tetrad color scheme */
  --primary-color: #34836f; /* Teal green */
  --primary-dark: #266357;
  --primary-light: #5aaa94;

  --secondary-color: #8c3452; /* Burgundy */
  --secondary-dark: #69263c;
  --secondary-light: #b25e7c;

  --accent-1: #836f34; /* Olive */
  --accent-1-dark: #574a23;
  --accent-1-light: #a48f4d;

  --accent-2: #345283; /* Royal blue */
  --accent-2-dark: #263c69;
  --accent-2-light: #5e7cb2;

  /* Neutral colors */
  --white: #ffffff;
  --off-white: #f8f9fa;
  --light-gray: #e9ecef;
  --medium-gray: #ced4da;
  --dark-gray: #495057;
  --black: #212529;

  /* Typography */
  --heading-font: 'Archivo Black', sans-serif;
  --body-font: 'Roboto', sans-serif;
  --base-font-size: 16px;
  --h1-size: 3rem;
  --h2-size: 2.5rem;
  --h3-size: 1.75rem;
  --h4-size: 1.25rem;
  --small-font: 0.875rem;

  /* Layout */
  --container-width: 1200px;
  --section-padding: 5rem 0;
  --grid-gap: 2rem;
  --card-radius: 8px;
  --btn-radius: 4px;

  /* 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, 0.1);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ===== RESET & BASE STYLES ===== */
html {
  font-size: var(--base-font-size);
  scroll-behavior: smooth;
}

body {
  font-family: var(--body-font);
  color: var(--black);
  line-height: 1.6;
  background-color: var(--off-white);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--heading-font);
  font-weight: 700;
  margin-top: 0;
  line-height: 1.2;
  color: var(--black);
}

h1 {
  font-size: var(--h1-size);
}

h2 {
  font-size: var(--h2-size);
  margin-bottom: 2rem;
  position: relative;
}

h2:after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: var(--primary-color);
  margin: 1rem 0;
}

h3 {
  font-size: var(--h3-size);
  margin-bottom: 1.25rem;
}

h4 {
  font-size: var(--h4-size);
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1.5rem;
}

a {
  color: var(--accent-2);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-2-dark);
  text-decoration: underline;
}

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

.section-intro {
  font-size: 1.2rem;
  max-width: 800px;
  margin: 0 auto 3rem;
  text-align: center;
}

/* ===== LAYOUT ===== */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: var(--section-padding);
}

section:nth-child(odd) {
  background-color: var(--white);
}

section:nth-child(even) {
  background-color: var(--off-white);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  font-family: var(--body-font);
  font-weight: 500;
  padding: 0.75rem 1.5rem;
  border-radius: var(--btn-radius);
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  transition: all var(--transition-normal);
  border: none;
  font-size: 1rem;
  line-height: 1.5;
}

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

.btn-primary:hover, .btn-primary:focus {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
  color: var(--white);
}

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

.btn-secondary:hover, .btn-secondary:focus {
  background-color: var(--secondary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
  color: var(--white);
}

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

.btn-outline:hover, .btn-outline:focus {
  background-color: var(--primary-color);
  color: var(--white);
  transform: translateY(-2px);
  text-decoration: none;
}

button, input[type='submit'] {
  cursor: pointer;
  font-family: var(--body-font);
  border: none;
}

/* ===== UTILITY CLASSES ===== */
.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

.py-1 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-2 { padding-top: 1rem; padding-bottom: 1rem; }
.py-3 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-4 { padding-top: 2rem; padding-bottom: 2rem; }
.py-5 { padding-top: 3rem; padding-bottom: 3rem; }

.px-1 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-2 { padding-left: 1rem; padding-right: 1rem; }
.px-3 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-4 { padding-left: 2rem; padding-right: 2rem; }
.px-5 { padding-left: 3rem; padding-right: 3rem; }

/* Link styles */
.link {
  color: var(--primary-color);
  font-weight: 500;
  text-decoration: none;
  position: relative;
  display: inline-block;
  transition: color var(--transition-fast);
}

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

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

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

/* ===== HEADER & NAVIGATION ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--white);
  box-shadow: var(--shadow-md);
  z-index: 1000;
  padding: 1rem 0;
  transition: all var(--transition-normal);
}

.header.scrolled {
  padding: 0.5rem 0;
  background-color: rgba(255, 255, 255, 0.95);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--heading-font);
  font-size: 1.5rem;
}

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

.logo a:hover {
  color: var(--primary-dark);
}

.logo h1 {
  font-size: 1.75rem;
  margin: 0;
  color: var(--primary-color);
}

.main-nav ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav li {
  margin-left: 1.5rem;
}

.main-nav a {
  color: var(--black);
  font-weight: 500;
  text-decoration: none;
  padding: 0.5rem 0;
  position: relative;
  transition: color var(--transition-fast);
}

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

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

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

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

.burger-menu span {
  display: block;
  height: 3px;
  background-color: var(--black);
  border-radius: 3px;
  transition: all var(--transition-fast);
}

/* ===== HERO SECTION ===== */
.hero {
  padding: 0;
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--white);
  height: 100vh;
  display: flex;
  align-items: center;
}

.hero:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5));
  z-index: 1;
}

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

.hero-content {
  max-width: 700px;
  text-align: left;
}

.hero-content h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  color: var(--white);
}

.hero-content p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  color: var(--white);
}

/* ===== MISSION SECTION ===== */
.mission {
  background-color: var(--white);
}

.mission-content {
  display: flex;
  align-items: center;
  gap: var(--grid-gap);
}

.mission-image {
  flex: 1;
  display: flex;
  justify-content: center;
}

.mission-image img {
  border-radius: var(--card-radius);
  box-shadow: var(--shadow-md);
  object-fit: cover;
  width: 100%;
  height: 350px;
}

.mission-text {
  flex: 1;
}

/* ===== SUCCESS STORIES SECTION ===== */
.success-stories {
  background-color: var(--off-white);
}

.carousel-container {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 40px;
}

@media (max-width:768px){
    .carousel-container { 
      grid-template-columns: 1fr;
    }
}

.carousel {
  display: flex;
  overflow: hidden;
}

.carousel-item {
  min-width: 100%;
  transition: transform var(--transition-normal);
}

.carousel-nav {
  display: flex;
  justify-content: center;
  margin-top: 2rem;
  gap: 1rem;
}

.prev-btn, .next-btn {
  background-color: var(--primary-color);
  color: var(--white);
  border: none;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.prev-btn span, .next-btn span {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.prev-btn:before, .next-btn:before {
  content: '';
  display: block;
  width: 10px;
  height: 10px;
  border-top: 2px solid var(--white);
  border-right: 2px solid var(--white);
}

.prev-btn:before {
  transform: rotate(-135deg);
}

.next-btn:before {
  transform: rotate(45deg);
}

/* ===== INNOVATION SECTION ===== */
.innovation {
  background-color: var(--white);
}

.innovation-content {
  display: flex;
  align-items: center;
  gap: var(--grid-gap);
}

.innovation-text {
  flex: 1;
}

.innovation-image {
  flex: 1;
  display: flex;
  justify-content: center;
}

.innovation-image img {
  border-radius: var(--card-radius);
  box-shadow: var(--shadow-md);
  object-fit: cover;
  width: 100%;
  height: 350px;
}

/* ===== PROJECTS SECTION ===== */
.projects {
  background-color: var(--off-white);
}

.projects-grid,
.testimonials-grid,
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--grid-gap);
}

/* ===== EVENTS SECTION ===== */
.events {
  background-color: var(--white);
}

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

.timeline:before {
  content: '';
  position: absolute;
  top: 0;
  left: 20px;
  height: 100%;
  width: 4px;
  background-color: var(--primary-color);
}

.timeline-item {
  position: relative;
  padding-left: 60px;
  margin-bottom: 3rem;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-date {
  position: absolute;
  left: 0;
  top: 0;
  padding: 6px;
  background-color: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  font-size: 0.75rem;
  text-align: center;
  z-index: 1;
  box-shadow: var(--shadow-md);
}

.timeline-content {
  background-color: var(--white);
  padding: 1.5rem;
  border-radius: var(--card-radius);
  box-shadow: var(--shadow-md);
}

.timeline-content h3 {
  margin-top: 0;
  color: var(--primary-color);
}

/* ===== RESOURCES SECTION ===== */
.resources {
  background-color: var(--off-white);
}

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

/* ===== TEAM SECTION ===== */
.team {
  background-color: var(--white);
}

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

.position {
  color: var(--primary-color);
  font-weight: 500;
  margin-bottom: 1rem;
}

/* ===== WEBINARS SECTION ===== */
.webinars {
  background-color: var(--off-white);
}

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

/* ===== BEHIND THE SCENES SECTION ===== */
.behind-scenes {
  background-color: var(--white);
}

.behind-scenes-content {
  display: flex;
  align-items: center;
  gap: var(--grid-gap);
}

.behind-scenes-image {
  flex: 1;
  display: flex;
  justify-content: center;
}

.behind-scenes-image img {
  border-radius: var(--card-radius);
  box-shadow: var(--shadow-md);
  object-fit: cover;
  width: 100%;
  height: 350px;
}

.behind-scenes-text {
  flex: 1;
}

/* ===== CONTACT SECTION ===== */
.contact {
  background-color: var(--off-white);
}

.contact-content {
  display: flex;
  gap: var(--grid-gap);
}

.contact-form-container {
  flex: 2;
}

.contact-form {
  background-color: var(--white);
  padding: 2rem;
  border-radius: var(--card-radius);
  box-shadow: var(--shadow-md);
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--black);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--medium-gray);
  border-radius: var(--btn-radius);
  font-family: var(--body-font);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

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

.contact-info {
  flex: 1;
  background-color: var(--white);
  padding: 2rem;
  border-radius: var(--card-radius);
  box-shadow: var(--shadow-md);
}

.contact-info h3 {
  color: var(--primary-color);
  margin-top: 0;
}

.contact-info p {
  margin-bottom: 1rem;
}

.map-container {
  margin-top: 1.5rem;
}

.map-container img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: var(--btn-radius);
}

/* ===== FOOTER ===== */
.footer {
  background-color: var(--black);
  color: var(--white);
  padding: 4rem 0 2rem;
}

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

.footer-logo h3 {
  color: var(--white);
  margin-top: 0;
}

.footer-links h4,
.footer-social h4,
.footer-newsletter h4 {
  color: var(--white);
  margin-top: 0;
}

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

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

.footer-links a {
  color: var(--light-gray);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--primary-light);
  text-decoration: none;
}

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

.social-links a {
  color: var(--light-gray);
  text-decoration: none;
  transition: color var(--transition-fast);
  padding: 0.5rem;
  border-radius: var(--btn-radius);
  background-color: rgba(255, 255, 255, 0.1);
}

.social-links a:hover {
  color: var(--white);
  background-color: var(--primary-color);
  text-decoration: none;
}

.newsletter-form {
  display: flex;
  margin-top: 1rem;
}

.newsletter-form input {
  flex: 1;
  padding: 0.75rem;
  border: none;
  border-radius: var(--btn-radius) 0 0 var(--btn-radius);
  font-family: var(--body-font);
  font-size: 1rem;
}

.newsletter-form button {
  padding: 0.75rem 1rem;
  border: none;
  background-color: var(--primary-color);
  color: var(--white);
  border-radius: 0 var(--btn-radius) var(--btn-radius) 0;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.newsletter-form button:hover {
  background-color: var(--primary-dark);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--medium-gray);
}

/* ===== CARD STYLES ===== */
.card {
  background-color: var(--white);
  border-radius: var(--card-radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

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

.card-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

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

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

.card-content {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.card-content h3 {
  margin-top: 0;
  color: var(--primary-color);
}

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

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

.success-icon {
  font-size: 4rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

/* ===== PRIVACY & TERMS PAGES ===== */
.privacy-content, .terms-content {
  padding-top: 100px;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-20px); }
  60% { transform: translateY(-10px); }
}

.fade-in {
  animation: fadeIn var(--transition-normal) forwards;
}

.slide-up {
  animation: slideUp var(--transition-normal) forwards;
}

.bounce {
  animation: bounce 2s ease infinite;
}

/* ===== RESPONSIVE STYLES ===== */
@media (max-width: 1200px) {
  :root {
    --h1-size: 2.75rem;
    --h2-size: 2.25rem;
    --h3-size: 1.5rem;
  }
  
  .container {
    max-width: 960px;
  }
}

@media (max-width: 992px) {
  .container {
    max-width: 720px;
  }
  
  .mission-content, .innovation-content, .behind-scenes-content {
    flex-direction: column;
  }
  
  .mission-image, .innovation-image, .behind-scenes-image {
    order: 1;
    margin-bottom: 2rem;
  }
  
  .mission-text, .innovation-text, .behind-scenes-text {
    order: 2;
  }

  .contact-content {
    flex-direction: column;
  }
  
  .projects-grid, .resources-grid, .team-grid, .webinars-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 4rem 0;
    --h1-size: 2.5rem;
    --h2-size: 2rem;
    --h3-size: 1.25rem;
  }
  
  .container {
    max-width: 540px;
  }
  
  .main-nav {
    display: none;
  }
  
  .burger-menu {
    display: flex;
  }
  
  .hero-content h1 {
    font-size: 2.75rem;
  }
  
  .hero-content p {
    font-size: 1.1rem;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 576px) {
  :root {
    --section-padding: 3rem 0;
    --h1-size: 2.25rem;
    --h2-size: 1.75rem;
  }
  
  .container {
    padding: 0 1rem;
  }
  
  .hero-content h1 {
    font-size: 2.25rem;
  }
  
  .timeline:before {
    left: 10px;
  }
  
  .timeline-date {
    width: 30px;
    height: 30px;
    font-size: 0.6rem;
  }
  
  .timeline-item {
    padding-left: 40px;
  }
  
  .newsletter-form {
    flex-direction: column;
  }
  
  .newsletter-form input {
    border-radius: var(--btn-radius);
    margin-bottom: 0.5rem;
  }
  
  .newsletter-form button {
    border-radius: var(--btn-radius);
  }
}

/* Mobile nav when active */
.mobile-nav-active .main-nav {
  display: block;
  position: fixed;
  top: 50px;
  left: 0;
  width: 100%;
  background-color: var(--white);
  padding: 1rem 0;
  box-shadow: var(--shadow-md);
}

.mobile-nav-active .main-nav ul {
  flex-direction: column;
  padding: 0 1.5rem;
}

.mobile-nav-active .main-nav li {
  margin: 0;
  margin-bottom: 1rem;
}

.mobile-nav-active .burger-menu span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.mobile-nav-active .burger-menu span:nth-child(2) {
  opacity: 0;
}

.mobile-nav-active .burger-menu span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

textarea {
  resize: none;
}

.about-header-content,
.story-layout,
.achievements-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.terms-section {
  background: transparent !important;
  padding-top: 0;
  padding-bottom: 0;
}

@media (max-width:768px){
    .about-header-content,
.story-layout,
.achievements-content {
grid-template-columns: 1fr;
}
}