/* Base Variables */
:root {
  /* Split-complementary color scheme */
  --primary-color: #3a7bd5;
  --primary-dark: #2c5ea3;
  --primary-light: #5c94e0;
  --secondary-color: #d53a3a;
  --secondary-dark: #a52e2e;
  --secondary-light: #e05c5c;
  --accent-color: #d5a73a;
  --accent-dark: #a38229;
  --accent-light: #e0bc5c;

  /* Neutrals */
  --dark-gray: #333333;
  --medium-gray: #666666;
  --light-gray: #f0f0f0;
  --white: #ffffff;
  --black: #000000;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  --gradient-secondary: linear-gradient(135deg, var(--secondary-color), var(--secondary-light));
  --gradient-accent: linear-gradient(135deg, var(--accent-color), var(--accent-light));
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
  
  /* Typography */
  --font-heading: 'Roboto', sans-serif;
  --font-body: 'Lato', sans-serif;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 5rem;
  
  /* Borders */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;
  --border-radius-xl: 24px;
  --border-radius-circle: 50%;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  margin-bottom: var(--space-md);
  color: var(--dark-gray);
}

.section-title {
  position: relative;
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-md);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 3px;
}

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

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;
}

/* Buttons */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1.5rem;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-medium);
  text-align: center;
  text-decoration: none;
  border: none;
  outline: none;
  line-height: 1.5;
  font-family: var(--font-heading);
}

.button:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.button:active {
  transform: translateY(-1px);
}

.button.is-primary {
  background: var(--gradient-primary);
  color: var(--white);
}

.button.is-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
}

.button.is-light {
  background: var(--white);
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.button.is-light:hover {
  background: var(--primary-light);
  color: var(--white);
  border-color: var(--primary-light);
}

.button.is-success {
  background: #48c774;
  color: var(--white);
}

.button.is-success:hover {
  background: #3aa563;
}

.button.is-large {
  font-size: 1.25rem;
  padding: 0.75rem 2rem;
}

.button.is-rounded {
  border-radius: 50px;
}

/* Retro Button Style */
.retro-button {
  position: relative;
  box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.2);
  transition: all var(--transition-fast);
}

.retro-button:hover {
  box-shadow: 1px 1px 0 rgba(0, 0, 0, 0.2);
}

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

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

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

.image-container {
  width: 100%;
  height: 250px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

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

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

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

.card-content h3 {
  margin-top: 0;
}

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

.navbar {
  display: flex;
  align-items: center;
  padding: 1rem 0;
}

.navbar-brand {
  display: flex;
  align-items: center;
}

.navbar-brand h1 {
  margin-bottom: 0;
  color: var(--primary-color);
  font-weight: bold;
}

.navbar-item {
  color: var(--dark-gray);
  padding: 0.5rem 1rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.navbar-item:hover {
  color: var(--primary-color);
}

.navbar-burger {
  display: none;
  cursor: pointer;
  height: 3.25rem;
  width: 3.25rem;
  margin-left: auto;
  position: relative;
}

.navbar-burger span {
  background-color: var(--dark-gray);
  display: block;
  height: 1px;
  width: 24px;
  position: absolute;
  left: calc(50% - 12px);
  transition: all var(--transition-medium);
}

.navbar-burger span:nth-child(1) {
  top: calc(50% - 6px);
}

.navbar-burger span:nth-child(2) {
  top: calc(50%);
}

.navbar-burger span:nth-child(3) {
  top: calc(50% + 6px);
}

.navbar-burger.is-active span:nth-child(1) {
  transform: rotate(45deg);
  top: calc(50%);
}

.navbar-burger.is-active span:nth-child(2) {
  opacity: 1;
}

.navbar-burger.is-active span:nth-child(3) {
  transform: rotate(-45deg);
  top: calc(50%);
}

/* Hero Section */
.hero {
  position: relative;
  overflow: hidden;
}

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

.hero-background::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.7));
  z-index: 0;
}

.hero-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--space-xxl) 0;
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: 3.5rem;
  margin-bottom: var(--space-md);
  animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: var(--space-lg);
  animation: fadeInUp 1s ease-out 0.2s;
  animation-fill-mode: both;
}

.has-text-white {
  color: var(--white) !important;
}

.scroll-down {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  color: var(--white);
  font-weight: 500;
  transition: transform var(--transition-medium);
}

.scroll-down:hover {
  transform: translateY(5px);
  color: var(--white);
}

.scroll-down .icon {
  animation: bounce 2s infinite;
}

/* Vision Section */
.vision-section {
  padding: var(--space-xxl) 0;
  background-color: var(--light-gray);
  position: relative;
  overflow: hidden;
}

.vision-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('image/bio-pattern.jpg') repeat;
  opacity: 1.05;
  z-index: 0;
}

.vision-card {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  position: relative;
  z-index: 1;
}

.vision-image-container {
  height: 400px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

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

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

.vision-content {
  padding: var(--space-xl);
}

.progress-container {
  margin-top: var(--space-lg);
}

.progress {
  height: 0.75rem;
  margin-bottom: var(--space-md);
  border-radius: 50px;
  overflow: hidden;
}

.progress.is-primary::-webkit-progress-value {
  background-color: var(--primary-color);
}

.progress.is-success::-webkit-progress-value {
  background-color: #48c774;
}

.progress.is-info::-webkit-progress-value {
  background-color: #4a89dc;
}

/* Projects Section */
.projects-section {
  padding: var(--space-xxl) 0;
  background-color: var(--white);
}

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

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

/* Case Studies Section */
.case-studies-section {
  padding: var(--space-xxl) 0;
  background-color: var(--light-gray);
  position: relative;
  overflow: hidden;
}

.case-studies-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('image/bio-pattern.jpg') repeat;
  opacity: 1.05;
  z-index: 0;
}

.case-study-card {
  position: relative;
  z-index: 1;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

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

/* Resources Section */
.resources-section {
  padding: var(--space-xxl) 0;
  background-color: var(--white);
}

.resource-content {
  text-align: center;
}

.resource-card {
  height: 100%;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  display: flex;
  flex-direction: column;
}

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

.resource-card ul {
  list-style-type: none;
  padding-left: 0;
}

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

.resource-card ul li a {
  display: inline-block;
  padding: var(--space-xs) 0;
  transition: all var(--transition-fast);
}

.resource-card ul li a:hover {
  color: var(--secondary-color);
  transform: translateX(5px);
}

/* Community Section */
.community-section {
  padding: var(--space-xxl) 0;
  background-color: var(--light-gray);
  position: relative;
  overflow: hidden;
}

.community-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('image/bio-pattern.jpg') repeat;
  opacity: 1.05;
  z-index: 0;
}

.community-image-container {
  height: 400px;
  overflow: hidden;
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--space-lg);
  box-shadow: var(--shadow-md);
  display: flex;
  justify-content: center;
  align-items: center;
}

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

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

.initiative-card {
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  height: 100%;
  display: flex;
  flex-direction: column;
}

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

/* Sustainability Section */
.sustainability-section {
  padding: var(--space-xxl) 0;
  background-color: var(--white);
  position: relative;
}

.sustainability-image-container {
  height: 450px;
  overflow: hidden;
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--space-lg);
  box-shadow: var(--shadow-md);
  display: flex;
  justify-content: center;
  align-items: center;
}

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

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

.sustainability-card {
  background: linear-gradient(to right bottom, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.4));
  backdrop-filter: blur(2rem);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

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

/* Contact Section */
.contact-section {
  padding: var(--space-xxl) 0;
  background-color: var(--light-gray);
  position: relative;
  overflow: hidden;
}

.contact-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('image/bio-pattern.jpg') repeat;
  opacity: 1.05;
  z-index: 0;
}

.contact-info {
  position: relative;
  z-index: 1;
}

.contact-form-container {
  background-color: var(--white);
  padding: var(--space-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  position: relative;
  z-index: 1;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: var(--space-md);
}

.contact-item .icon {
  margin-right: var(--space-md);
  color: var(--primary-color);
  flex-shrink: 0;
}

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

.label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

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

.input:focus, .textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(58, 123, 213, 0.2);
}

.textarea {
  min-height: 150px;
  resize: vertical;
}

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

.footer h3 {
  color: var(--white);
  margin-bottom: var(--space-lg);
}

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

.footer ul li {
  margin-bottom: var(--space-xs);
}

.footer a {
  color: var(--light-gray);
  transition: color var(--transition-fast);
}

.footer a:hover {
  color: var(--primary-light);
}

.social-links a {
  display: flex;
  align-items: center;
  transition: transform var(--transition-fast);
}

.social-links a:before {
  content: '• ';
  margin-right: var(--space-xs);
  color: var(--accent-color);
}

.social-links a:hover {
  transform: translateX(5px);
}

.copyright {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-md);
  margin-top: var(--space-lg);
  color: rgba(255, 255, 255, 0.7);
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
}

.modal.is-active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.75);
}

.modal-card {
  position: relative;
  max-width: 500px;
  width: 100%;
  background: var(--white);
  border-radius: var(--border-radius-md);
  overflow: hidden;
}

.modal-card-head, .modal-card-foot {
  padding: var(--space-md);
  background: var(--light-gray);
  display: flex;
  align-items: center;
}

.modal-card-head {
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.modal-card-foot {
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  justify-content: flex-end;
}

.modal-card-title {
  font-weight: 600;
  margin-bottom: 0;
}

.modal-card-body {
  padding: var(--space-lg);
}

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

.success-content {
  max-width: 600px;
  background-color: var(--white);
  padding: var(--space-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

.success-icon {
  font-size: 4rem;
  color: #48c774;
  margin-bottom: var(--space-lg);
}

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

.content-page .container {
  padding: var(--space-xl) var(--space-md);
  max-width: 1000px;
  margin: 0 auto;
}

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

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

/* Utility Classes */
.is-centered {
  text-align: center;
}

.mt-4 {
  margin-top: 1rem;
}

.mt-5 {
  margin-top: 1.25rem;
}

.mt-6 {
  margin-top: 1.5rem;
}

.pb-5 {
  padding-bottom: 1.25rem;
}

.mb-5 {
  margin-bottom: 1.25rem;
}

.mb-6 {
  margin-bottom: 1.5rem;
}

/* Responsive Design */
@media screen and (max-width: 1023px) {
  .navbar-menu {
    display: none;
  }
  
  .navbar-burger {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .navbar-menu.is-active {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--white);
    box-shadow: var(--shadow-md);
    padding: var(--space-md);
  }
  
  .navbar-menu.is-active .navbar-end {
    display: flex;
    flex-direction: column;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.25rem;
  }
}

@media screen and (max-width: 768px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
  
  .vision-image-container,
  .community-image-container,
  .sustainability-image-container {
    height: 300px;
  }
  
  .contact-form-container {
    padding: var(--space-lg);
  }
}

@media screen and (max-width: 480px) {
  html {
    font-size: 14px;
  }
  
  .section {
    padding: var(--space-xl) var(--space-md);
  }
  
  .vision-image-container,
  .community-image-container,
  .sustainability-image-container {
    height: 250px;
  }
  
  .buttons.is-centered {
    flex-direction: column;
  }
  
  .buttons.is-centered .button {
    width: 100%;
    margin-bottom: var(--space-sm);
  }
}