:root {
  /* Palette - Pastel Neuomorphic */
  --primary-color: #6a8caf;
  --primary-light: #8baccc;
  --primary-dark: #4d6f92;
  --secondary-color: #e5b7b7;
  --secondary-light: #f0d2d2;
  --secondary-dark: #c69090;
  --accent-color: #a3c9a8;
  --accent-light: #c1ddc4;
  --accent-dark: #7fa884;
  --background-color: #f4f5f8;
  --surface-color: #ffffff;
  --text-color: #3e4a5d;
  --text-light: #6c7a8c;
  --text-dark: #2a3241;
  --error-color: #e57373;
  --success-color: #81c784;
  --warning-color: #ffb74d;
  --info-color: #64b5f6;
  
  /* Typography */
  --font-heading: 'Oswald', sans-serif;
  --font-body: 'Nunito', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 5rem;
  
  /* Borders */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;
  --border-radius-xl: 24px;
  
  /* Shadows */
  --shadow-soft: 6px 6px 12px rgba(0, 0, 0, 0.05), -6px -6px 12px rgba(255, 255, 255, 0.8);
  --shadow-pressed: inset 2px 2px 5px rgba(0, 0, 0, 0.05), inset -2px -2px 5px rgba(255, 255, 255, 0.8);
  --shadow-elevated: 10px 10px 20px rgba(0, 0, 0, 0.05), -10px -10px 20px rgba(255, 255, 255, 0.8);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--spacing-md);
  color: var(--text-dark);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--spacing-lg);
  position: relative;
  display: inline-block;
}

h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 80px;
  height: 4px;
  background: var(--primary-color);
  border-radius: var(--border-radius-sm);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

p {
  margin-bottom: var(--spacing-md);
  font-size: clamp(1rem, 1.5vw, 1.125rem);
}

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

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

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

ul, ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

li {
  margin-bottom: var(--spacing-sm);
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

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

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

/* Button Styles */
.btn, 
button, 
input[type="submit"] {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: var(--border-radius-md);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-medium) var(--transition-bounce);
  box-shadow: var(--shadow-soft);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.btn:hover, 
button:hover, 
input[type="submit"]:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-elevated);
  background-color: var(--primary-dark);
}

.btn:active, 
button:active, 
input[type="submit"]:active {
  transform: translateY(1px);
  box-shadow: var(--shadow-pressed);
}

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

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

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

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.95);
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  padding: var(--spacing-md) 0;
  backdrop-filter: blur(5px);
  transition: all var(--transition-medium);
}

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

.logo a {
  display: flex;
  align-items: center;
  text-decoration: none;
}

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

.logo span {
  color: var(--accent-color);
}

.nav-desktop {
  display: flex;
}

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

.nav-desktop li {
  margin: 0 var(--spacing-md);
}

.nav-desktop a {
  color: var(--text-color);
  font-weight: 600;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-desktop a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 0;
  background-color: var(--primary-color);
  transition: width var(--transition-medium) var(--transition-bounce);
}

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

.nav-desktop a:hover::after {
  width: 100%;
}

.burger-menu {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 20px;
  cursor: pointer;
}

.burger-menu span {
  display: block;
  height: 2px;
  background-color: var(--primary-color);
  transition: all var(--transition-medium);
}

.nav-mobile {
  display: none;
  position: fixed;
  top: 80px;
  left: 0;
  right: 0;

  background-color: var(--surface-color);
  transform: translateX(100%);
  transition: transform var(--transition-medium);
  z-index: 999;
  padding: var(--spacing-lg);
}

.nav-mobile.active {
  transform: translateX(0);
  display: flex;
  background: #fff;
}

.nav-mobile ul {
  list-style: none;
  padding: 0;
}

.nav-mobile li {
  margin-bottom: var(--spacing-md);
}

.nav-mobile a {
  color: var(--text-color);
  font-size: 1.25rem;
  font-weight: 600;
}

/* Hero Section */
.hero {
  padding: 0;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: white;
  text-align: center;
}

.hero .overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.3));
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-lg);
  background: rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(5px);
  border-radius: var(--border-radius-lg);
  transform: translateY(20px);
  animation: fadeInUp 1s var(--transition-bounce) forwards;
}

.hero h1 {
  color: white;
  margin-bottom: var(--spacing-md);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero p {
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  margin-bottom: var(--spacing-lg);
  color: white;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
}

/* Mission Section */
.mission {
  text-align: center;
}

.mission-content {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xl);
  align-items: center;
  margin-top: var(--spacing-lg);
}

.mission-text {
  flex: 1;
  min-width: 300px;
  text-align: left;
}

.mission-image {
  flex: 1;
  min-width: 300px;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-medium) var(--transition-bounce);
}

.mission-image:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-elevated);
}

.mission-image img {
  width: 100%;
  height: auto;
  transition: transform var(--transition-slow);
}

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

/* Features Section */
.features {
  text-align: center;
}

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

.card {
  background-color: var(--surface-color);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-medium) var(--transition-bounce);
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
}

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

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

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

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

.card-content {
  padding: var(--spacing-lg);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.card-content h3 {
  margin-bottom: var(--spacing-md);
}

.card-content p {
  margin-bottom: var(--spacing-md);
}

/* External Resources Section */
.external-resources {
  text-align: center;
  background-color: var(--surface-color);
}

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

.resource-card {
  background-color: var(--background-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-medium) var(--transition-bounce);
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

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

.resource-card h3 {
  margin-bottom: var(--spacing-md);
  text-align: center;
}

.resource-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: left;
}

.resource-card li {
  margin-bottom: var(--spacing-sm);
}

.resource-card a {
  font-weight: 600;
  transition: color var(--transition-fast);
  position: relative;
}

.resource-card a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -2px;
  left: 0;
  background-color: var(--primary-color);
  transition: width var(--transition-medium) var(--transition-bounce);
}

.resource-card a:hover::after {
  width: 100%;
}

/* Events Calendar Section */
.events {
  text-align: center;
}

.timeline {
  position: relative;
  max-width: 1200px;
  margin: var(--spacing-xl) auto;
}

.timeline::after {
  content: '';
  position: absolute;
  width: 4px;
  background-color: var(--primary-light);
  top: 0;
  bottom: 0;
  left: 50%;
  margin-left: -2px;
  border-radius: var(--border-radius-sm);
}

.timeline-item {
  padding: var(--spacing-lg) 0;
  position: relative;
  width: 50%;
}

.timeline-item:nth-child(odd) {
  left: 0;
}

.timeline-item:nth-child(even) {
  left: 50%;
}

.timeline-dot {
  position: absolute;
  width: 24px;
  height: 24px;
  right: -12px;
  background-color: var(--primary-color);
  border: 4px solid var(--background-color);
  border-radius: 50%;
  z-index: 1;
  box-shadow: var(--shadow-soft);
}

.timeline-item:nth-child(even) .timeline-dot {
  left: -12px;
}

.timeline-content {
  padding: 0 var(--spacing-lg);
}

.timeline-content .card {
  margin: 0;
  text-align: left;
}

.timeline-content .card-content {
  text-align: left;
  align-items: flex-start;
}

.timeline-content .date {
  color: var(--primary-color);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

/* Sustainability Section */
.sustainability {
  text-align: center;
}

.sustainability-content {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xl);
  align-items: center;
  margin-top: var(--spacing-lg);
}

.sustainability-text {
  flex: 1;
  min-width: 300px;
  text-align: left;
}

.sustainability-image {
  flex: 1;
  min-width: 300px;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-medium) var(--transition-bounce);
}

.sustainability-image:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-elevated);
}

.sustainability-image img {
  width: 100%;
  height: auto;
  transition: transform var(--transition-slow);
}

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

.sustainability-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.metric-card {
  background-color: var(--surface-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-medium) var(--transition-bounce);
  text-align: center;
}

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

.metric-card h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

/* Contact Section */
.contact {
  text-align: center;
}

.contact-content {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xl);
  margin-top: var(--spacing-lg);
}

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

.info-item {
  margin-bottom: var(--spacing-lg);
}

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

.map-container {
  margin-top: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.map-container img {
  width: 100%;
  height: auto;
}

.contact-form {
  flex: 1;
  min-width: 300px;
  background-color: var(--surface-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-soft);
}

.contact-form h3 {
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.form-group {
  margin-bottom: var(--spacing-md);
  text-align: left;
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
  color: var(--text-dark);
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(106, 140, 175, 0.2);
}

.checkbox-container {
  display: flex;
  align-items: center;
  position: relative;
  padding-left: 35px;
  cursor: pointer;
  font-size: 1rem;
}

.checkbox-container input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.checkmark {
  position: absolute;
  top: 0;
  left: 0;
  height: 20px;
  width: 20px;
  background-color: var(--background-color);
  border: 1px solid #ddd;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
}

.checkbox-container:hover input ~ .checkmark {
  background-color: #eee;
}

.checkbox-container input:checked ~ .checkmark {
  background-color: var(--primary-color);
}

.checkmark:after {
  content: "";
  position: absolute;
  display: none;
}

.checkbox-container input:checked ~ .checkmark:after {
  display: block;
}

.checkbox-container .checkmark:after {
  left: 7px;
  top: 3px;
  width: 5px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* Footer */
.footer {
  background-color: var(--text-dark);
  color: white;
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-logo {
  flex: 2;
  min-width: 200px;
}

.footer-logo h3 {
  color: white;
  font-size: 1.75rem;
  margin-bottom: var(--spacing-md);
}

.footer-logo span {
  color: var(--accent-light);
}

.footer-links,
.footer-legal,
.footer-social {
  flex: 1;
  min-width: 200px;
}

.footer h4 {
  color: white;
  margin-bottom: var(--spacing-md);
  position: relative;
  display: inline-block;
}

.footer h4::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--primary-light);
}

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

.footer li {
  margin-bottom: var(--spacing-sm);
}

.footer a {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast);
}

.footer a:hover {
  color: white;
}

.footer-social a {
  display: inline-block;
  margin-right: var(--spacing-md);
  position: relative;
}

.footer-social a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -2px;
  left: 0;
  background-color: white;
  transition: width var(--transition-medium) var(--transition-bounce);
}

.footer-social a:hover::after {
  width: 100%;
}

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

.footer-bottom p {
  margin-bottom: var(--spacing-sm);
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.5);
}

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

.success-content {
  max-width: 600px;
  padding: var(--spacing-xl);
  background-color: var(--surface-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-soft);
  animation: fadeInUp 0.8s var(--transition-bounce) forwards;
}

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

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

.privacy-content,
.terms-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-lg);
  background-color: var(--surface-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-soft);
}

/* About Page */
.about-page {
  padding-top: 100px;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.team-member {
  background-color: var(--surface-color);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-medium) var(--transition-bounce);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.team-member:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-elevated);
}

.team-member-image {
  width: 100%;
  height: 300px;
  overflow: hidden;
}

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

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

.team-member-content {
  padding: var(--spacing-lg);
}

.team-member-content h3 {
  margin-bottom: var(--spacing-xs);
}

.team-member-content h4 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
  font-size: 1rem;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* Media Queries */
@media (max-width: 992px) {
  .container {
    padding: 0 var(--spacing-md);
  }

  .nav-desktop {
    display: none;
  }

  .burger-menu {
    display: flex;
  }

  .timeline::after {
    left: 31px;
  }

  .timeline-item {
    width: 100%;
    padding-left: 70px;
    padding-right: 25px;
  }

  .timeline-item:nth-child(even) {
    left: 0;
  }

  .timeline-dot {
    left: 15px;
    right: auto;
  }

  .timeline-item:nth-child(even) .timeline-dot {
    left: 15px;
  }

  .cta-buttons {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .cta-buttons .btn {
    width: 100%;
  }
}

@media (max-width: 768px) {
  .mission-content,
  .sustainability-content,
  .contact-content {
    flex-direction: column;
  }

  .mission-image,
  .sustainability-image {
    order: -1;
  }

  .card-image {
    height: 180px;
  }

  .footer-content {
    flex-direction: column;
    gap: var(--spacing-lg);
  }

  .footer-logo,
  .footer-links,
  .footer-legal,
  .footer-social {
    min-width: 100%;
  }
}

@media (max-width: 576px) {
  :root {
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
  }

  h2 {
    margin-bottom: var(--spacing-md);
  }

  .card-content {
    padding: var(--spacing-md);
  }

  .hero-content {
    padding: var(--spacing-md);
  }

  .timeline-item {
    padding-left: 50px;
  }

  .timeline::after {
    left: 21px;
  }

  .timeline-dot {
    left: 10px;
    width: 20px;
    height: 20px;
  }
}