/* Base Variables */
:root {
  --primary: #2a6b3c;
  --primary-light: #3c8a53;
  --primary-dark: #1b4929;
  --secondary: #1c4426;
  --accent: #8ad4a2;
  --background: #f8f9fa;
  --dark-bg: #212529;
  --text: #333333;
  --text-light: #6c757d;
  --text-dark: #212529;
  --white: #ffffff;
  --black: #000000;
  --border: #dee2e6;
  --card-bg: #ffffff;
  --header-height: 80px;
  
  --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  --gradient-overlay: linear-gradient(to bottom, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.6) 100%);
  --shadow: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.15);
  --shadow-inset: inset 0 2px 5px rgba(0,0,0,0.1);
  
  --transition-fast: all 0.2s ease;
  --transition-medium: all 0.3s ease;
  --transition-slow: all 0.5s ease;
  
  /* Typography */
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Source Sans Pro', sans-serif;
}

/* Base Styles */
body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--background);
  overflow-x: hidden;
  transition: var(--transition-medium);
  padding-top: var(--header-height);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-dark);
  margin-bottom: 1rem;
}

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

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

p {
  margin-bottom: 1.5rem;
}

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

section {
  padding: 80px 0;
  position: relative;
}

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

/* Typography Enhancements */
.display-1, .display-2, .display-3, .display-4 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.lead {
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.6;
  font-size: 1.25rem;
}

@media (min-width: 768px) {
  .display-1 {
    font-size: 4.5rem;
  }
  .display-2 {
    font-size: 4rem;
  }
  .display-3 {
    font-size: 3.5rem;
  }
  .display-4 {
    font-size: 3rem;
  }
  .lead {
    font-size: 1.35rem;
  }
}

@media (max-width: 767px) {
  .display-1 {
    font-size: 3rem;
  }
  .display-2 {
    font-size: 2.75rem;
  }
  .display-3 {
    font-size: 2.5rem;
  }
  .display-4 {
    font-size: 2.25rem;
  }
  .lead {
    font-size: 1.15rem;
  }
}

/* Responsive Gaps */
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 1rem; }
.gap-4 { gap: 1.5rem; }
.gap-5 { gap: 3rem; }

/* Buttons */
.btn, button, input[type="submit"] {
  display: inline-block;
  font-weight: 600;
  text-align: center;
  vertical-align: middle;
  user-select: none;
  border: 2px solid transparent;
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  font-size: 1rem;
  line-height: 1.5;
  transition: var(--transition-medium);
  position: relative;
  overflow: hidden;
  z-index: 1;
  letter-spacing: 0.03em;
}

.btn:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 0;
  background-color: rgba(255, 255, 255, 0.2);
  transition: var(--transition-medium);
  z-index: -1;
}

.btn:hover:after {
  height: 100%;
}

.btn:focus {
  outline: none;
  box-shadow: 0 0 0 0.25rem rgba(42, 107, 60, 0.25);
}

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

.btn-success:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  color: var(--white);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

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

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

.btn-outline-success:hover {
  background-color: var(--primary);
  color: var(--white);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.btn-outline-light {
  background-color: transparent;
  border-color: var(--white);
  color: var(--white);
}

.btn-outline-light:hover {
  background-color: var(--white);
  color: var(--primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.btn-lg {
  padding: 0.875rem 2rem;
  font-size: 1.1rem;
}

/* Header & Navigation */
header {
  height: var(--header-height);
  transition: var(--transition-medium);
  z-index: 1000;
}

.navbar {
  padding: 0;
  height: var(--header-height);
}

.navbar-brand {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.75rem;
  letter-spacing: -0.02em;
  color: var(--white) !important;
  transition: var(--transition-fast);
}

.navbar-dark .navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.85);
  font-weight: 600;
  padding: 0.5rem 1rem;
  transition: var(--transition-fast);
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link:focus {
  color: var(--white);
}

.navbar-toggler {
  border: none;
  padding: 0.5rem;
}

.navbar-toggler:focus {
  box-shadow: none;
  outline: none;
}

/* Hero Section */
#hero {
  padding: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

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

.hero-bg:after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-overlay);
}

#hero .container {
  padding-top: 80px;
  padding-bottom: 80px;
}

.animate-text {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s ease forwards 0.3s;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Vision Section */
#vision {
  color: var(--white);
  overflow: hidden;
}

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

.vision-bg:after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-overlay);
}

#vision .card {
  transition: var(--transition-medium);
}

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

/* About/History Section */
#about .image-container {
  position: relative;
  overflow: hidden;
}

#about .image-container img {
  transition: var(--transition-slow);
}

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

.progress {
  height: 10px;
  border-radius: 5px;
  background-color: rgba(42, 107, 60, 0.1);
  margin-bottom: 1.5rem;
}

.progress-bar {
  border-radius: 5px;
  background-color: var(--primary);
  position: relative;
}

/* Portfolio Section */
#portfolio .card {
  transition: var(--transition-medium);
  height: 100%;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

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

#portfolio .card-image {
  overflow: hidden;
  height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

#portfolio .card:hover .card-image img {
  transform: scale(1.1);
}

#portfolio .card-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

#portfolio .btn {
  margin-top: auto;
  align-self: flex-start;
}

/* Research Section */
#research .image-container {
  position: relative;
  overflow: hidden;
}

#research .image-container img {
  transition: var(--transition-slow);
}

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

#research .card {
  transition: var(--transition-medium);
  height: 100%;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

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

#research .card-image {
  overflow: hidden;
  height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

#research .card:hover .card-image img {
  transform: scale(1.1);
}

#research .form-check-input {
  cursor: pointer;
}

/* Resources Section */
#resources .card {
  transition: var(--transition-medium);
}

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

#resources a {
  color: var(--white);
  transition: var(--transition-fast);
}

#resources a:hover {
  color: var(--accent);
  text-decoration: none;
}

/* Gallery Section */
#gallery-container {
  position: relative;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 0.5rem;
  margin-bottom: 1.5rem;
  cursor: pointer;
}

.gallery-item img {
  transition: var(--transition-medium);
  width: 100%;
  height: 200px;
  object-fit: cover;
}

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

.gallery-item::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0) 60%);
  opacity: 0;
  transition: var(--transition-medium);
  border-radius: 0.5rem;
}

.gallery-item:hover::after {
  opacity: 1;
}

/* FAQ Section */
#faq .accordion-item {
  overflow: hidden;
  border-radius: 0.5rem;
}

#faq .accordion-button {
  padding: 1.25rem;
  font-weight: 600;
  color: var(--text-dark);
}

#faq .accordion-button:not(.collapsed) {
  background-color: rgba(42, 107, 60, 0.05);
  color: var(--primary);
}

#faq .accordion-button:focus {
  box-shadow: none;
  border-color: var(--border);
}

#faq .accordion-button::after {
  background-size: 1.25rem;
  transition: var(--transition-fast);
}

/* Contact Section */
#contact {
  color: var(--text-dark);
  overflow: hidden;
}

.contact-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 0;
  filter: blur(5px);
}

.contact-bg:after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.7) 100%);
}

#contactForm .form-control {
  padding: 0.75rem 1.25rem;
  border-radius: 0.5rem;
  border: 1px solid var(--border);
  transition: var(--transition-fast);
}

#contactForm .form-control:focus {
  box-shadow: none;
  border-color: var(--primary);
}

#contactForm textarea.form-control {
  min-height: 150px;
}

#contactForm .form-label {
  color: var(--text-dark);
}

/* Footer Section */
footer {
  padding: 80px 0 40px;
}

footer h3 {
  position: relative;
  padding-bottom: 15px;
  margin-bottom: 20px;
}

footer h3:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 2px;
  background-color: var(--accent);
}

footer a {
  transition: var(--transition-fast);
}

footer a:hover {
  color: var(--accent) !important;
  text-decoration: none;
  padding-left: 5px;
}

footer .input-group {
  border-radius: 50px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

footer .input-group input {
  border: none;
  padding: 0.75rem 1.25rem;
}

footer .input-group .btn {
  border-radius: 0 50px 50px 0;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Social Media Links */
.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a {
  color: var(--white);
  transition: var(--transition-fast);
  font-size: 1.1rem;
  display: inline-flex;
  align-items: center;
}

.social-links a:before {
  content: '';
  width: 6px;
  height: 6px;
  background-color: var(--accent);
  display: inline-block;
  border-radius: 50%;
  margin-right: 0.5rem;
  transition: var(--transition-fast);
}

.social-links a:hover:before {
  background-color: var(--white);
  transform: scale(1.5);
}

/* Page Specific Styles */
.privacy-page, .terms-page {
  padding-top: 100px;
}

.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

/* Utility Classes */
.bg-primary-custom {
  background-color: var(--primary);
}

.text-primary-custom {
  color: var(--primary);
}

.rounded-custom {
  border-radius: 1rem;
}

.shadow-custom {
  box-shadow: var(--shadow);
}

.shadow-lg-custom {
  box-shadow: var(--shadow-lg);
}

/* Animations */
@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0px); }
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

.animate-pulse {
  animation: pulse 2s ease-in-out infinite;
}

/* Media Queries */
@media (max-width: 991px) {
  .navbar-collapse {
    background-color: var(--dark-bg);
    padding: 1rem;
    border-radius: 0.5rem;
    margin-top: 0.5rem;
  }
  
  #hero .container {
    padding-top: 60px;
    padding-bottom: 60px;
  }
  
  section {
    padding: 60px 0;
  }
}

@media (max-width: 767px) {
  .btn, button, input[type="submit"] {
    padding: 0.625rem 1.25rem;
    font-size: 0.9rem;
  }
  
  .btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
  }
  
  #hero .container {
    padding-top: 40px;
    padding-bottom: 40px;
  }
  
  section {
    padding: 40px 0;
  }
  
  footer {
    padding: 60px 0 30px;
  }
}

/* Fixed height for card images */
.card-image {
  height: 250px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.5rem 0.5rem 0 0;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Card content centering */
.card {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  height: 100%;
  transition: var(--transition-medium);
}

.card-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  flex: 1;
  text-align: left;
}

/* "Read more" link styling */
.read-more {
  position: relative;
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition-fast);
  display: inline-flex;
  align-items: center;
  margin-top: auto;
}

.read-more:after {
  content: '→';
  margin-left: 0.5rem;
  transition: var(--transition-fast);
}

.read-more:hover {
  color: var(--primary-dark);
}

.read-more:hover:after {
  transform: translateX(5px);
}

/* Background overlays for dark sections */
.bg-overlay {
  position: relative;
}

.bg-overlay:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-overlay);
  z-index: 0;
}

.bg-overlay > * {
  position: relative;
  z-index: 1;
}