/* CSS Variables - Split Complementary Color Scheme */
:root {
  /* Primary Colors */
  --primary-color: #2E8B57; /* Sea Green */
  --primary-light: #66B885;
  --primary-dark: #1F5F3F;
  
  /* Split Complementary Colors */
  --complementary-1: #8B2E57; /* Rose */
  --complementary-2: #8B572E; /* Orange-Brown */
  --complementary-1-light: #B85577;
  --complementary-2-light: #B8855F;
  
  /* Accent Colors */
  --accent-gold: #FFD700;
  --accent-mint: #98FB98;
  --accent-coral: #FF7F50;
  
  /* Neutral Colors */
  --white: #FFFFFF;
  --light-gray: #F8F9FA;
  --medium-gray: #6C757D;
  --dark-gray: #343A40;
  --black: #000000;
  
  /* Text Colors */
  --text-primary: #222222;
  --text-secondary: #555555;
  --text-muted: #777777;
  --text-light: #FFFFFF;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #2E8B57, #66B885);
  --gradient-secondary: linear-gradient(135deg, #8B2E57, #B85577);
  --gradient-accent: linear-gradient(135deg, #8B572E, #B8855F);
  --gradient-hero: linear-gradient(135deg, #2E8B57 0%, #8B572E 50%, #8B2E57 100%);
  --gradient-retro: linear-gradient(45deg, #FFD700, #FF7F50, #98FB98);
  
  /* Shadows */
  --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.15);
  --shadow-heavy: 0 8px 40px rgba(0, 0, 0, 0.2);
  --shadow-retro: 0 6px 25px rgba(255, 215, 0, 0.3);
  
  /* Typography */
  --font-heading: 'Raleway', sans-serif;
  --font-body: 'Open Sans', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 30px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--light-gray);
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.8rem; }
h3 { font-size: 2.2rem; }
h4 { font-size: 1.8rem; }
h5 { font-size: 1.4rem; }
h6 { font-size: 1.2rem; }

p {
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
}

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

/* Buttons - Global Styles */
.btn {
  display: inline-block;
  padding: 12px 30px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  text-align: center;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-medium);
  position: relative;
  overflow: hidden;
  min-width: 150px;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left var(--transition-medium);
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-light);
  box-shadow: var(--shadow-medium);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-heavy);
}

.btn-secondary {
  background: var(--gradient-secondary);
  color: var(--text-light);
  box-shadow: var(--shadow-medium);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-heavy);
}

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

.btn-outline:hover {
  background: var(--primary-color);
  color: var(--text-light);
}

.btn-full {
  width: 100%;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  transition: all var(--transition-medium);
  box-shadow: var(--shadow-light);
}

.navbar {
  padding: var(--spacing-sm) 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo h2 {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0;
  font-size: 2rem;
}

.nav-menu {
  display: flex;
  gap: var(--spacing-md);
}

.nav-link {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  transition: color var(--transition-fast);
}

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

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

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

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.bar {
  width: 25px;
  height: 3px;
  background: var(--primary-color);
  margin: 3px 0;
  transition: var(--transition-fast);
}

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

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-hero);
  opacity: 0.8;
  z-index: 1;
}

.hero-container {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  padding: 0 var(--spacing-sm);
}

.hero-title {
  font-size: 4rem;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: var(--spacing-md);
  text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
  animation: fadeInUp 1s ease;
}

.hero-subtitle {
  font-size: 1.3rem;
  color: var(--text-light);
  margin-bottom: var(--spacing-lg);
  text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
  animation: fadeInUp 1s ease 0.3s both;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 1s ease 0.6s both;
}

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

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

/* Services Section */
.services {
  background: var(--white);
}

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

/* Card Styles */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-light);
  overflow: hidden;
  transition: all var(--transition-medium);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

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

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

.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-md);
  text-align: center;
}

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

/* Research Section */
.research {
  background: var(--light-gray);
}

.research-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
  margin-top: var(--spacing-lg);
}

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

.research-image {
  text-align: center;
}

.research-image img {
  width: 100%;
  max-width: 500px;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-medium);
}

/* Accordion Styles */
.research-accordion {
  margin-top: var(--spacing-md);
}

.accordion-item {
  margin-bottom: var(--spacing-sm);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-light);
}

.accordion-header {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--gradient-primary);
  color: var(--text-light);
  border: none;
  text-align: left;
  font-family: var(--font-heading);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.accordion-header:hover {
  background: var(--gradient-secondary);
}

.accordion-content {
  padding: 0 var(--spacing-md);
  background: var(--white);
  max-height: 0;
  overflow: hidden;
  transition: all var(--transition-medium);
}

.accordion-content.active {
  padding: var(--spacing-md);
  max-height: 200px;
}

/* Statistics Section */
.statistics {
  background: var(--gradient-hero);
  color: var(--text-light);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.stat-widget {
  text-align: center;
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  transition: transform var(--transition-medium);
}

.stat-widget:hover {
  transform: scale(1.05);
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent-gold);
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: 1.1rem;
  color: var(--text-light);
}

/* External Resources Section */
.external-resources {
  background: var(--white);
}

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

.resource-card {
  background: var(--light-gray);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-light);
  transition: all var(--transition-medium);
}

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

.resource-card h4 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.resource-card ul {
  list-style: none;
}

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

.resource-card a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.resource-card a:hover {
  color: var(--primary-color);
}

/* Testimonials Section */
.testimonials {
  background: var(--light-gray);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.testimonials .card-image {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  margin: var(--spacing-md) auto;
  border: 4px solid var(--primary-color);
}

.testimonials .card-image img {
  border-radius: 50%;
}

.testimonials .card-content h4 {
  color: var(--primary-color);
  margin-top: var(--spacing-sm);
}

.testimonials .card-content span {
  color: var(--text-muted);
  font-style: italic;
}

/* Pricing Section */
.pricing {
  background: var(--white);
}

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

.pricing-card {
  position: relative;
}

.pricing-card.featured {
  transform: scale(1.05);
  border: 3px solid var(--accent-gold);
}

.pricing-header {
  text-align: center;
  padding: var(--spacing-md);
  background: var(--gradient-primary);
  color: var(--text-light);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  position: relative;
}

.price {
  font-size: 2.5rem;
  font-weight: 700;
  margin: var(--spacing-sm) 0;
}

.price span {
  font-size: 1rem;
  font-weight: 400;
}

.badge {
  position: absolute;
  top: -10px;
  right: 20px;
  background: var(--accent-gold);
  color: var(--text-primary);
  padding: 5px 15px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
}

.features-list {
  list-style: none;
  padding: var(--spacing-md);
}

.features-list li {
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid var(--light-gray);
  position: relative;
  padding-left: 25px;
}

.features-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
}

/* Accolades Section */
.accolades {
  background: var(--light-gray);
}

.accolades-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.accolade-item {
  display: flex;
  gap: var(--spacing-md);
  background: var(--white);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-light);
  transition: all var(--transition-medium);
}

.accolade-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

.accolade-image {
  flex-shrink: 0;
}

.accolade-image img {
  width: 100px;
  height: 100px;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.accolade-content h4 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-xs);
}

/* Contact Section */
.contact {
  background: var(--white);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  margin-top: var(--spacing-lg);
}

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

.contact-item {
  margin-bottom: var(--spacing-md);
}

.contact-item h4 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
  font-size: 1.1rem;
}

.contact-form-container {
  background: var(--light-gray);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-medium);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 2px solid #E0E0E0;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 16px;
  transition: all var(--transition-fast);
  background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(46, 139, 87, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

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

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

.footer-section h3,
.footer-section h4 {
  color: var(--text-light);
  margin-bottom: var(--spacing-md);
}

.footer-section ul {
  list-style: none;
}

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

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

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

.footer-contact p {
  margin-bottom: var(--spacing-xs);
  color: var(--medium-gray);
}

.social-links {
  margin-top: var(--spacing-md);
}

.social-links a {
  display: inline-block;
  margin-right: var(--spacing-sm);
  padding: 8px 16px;
  background: var(--primary-color);
  color: var(--text-light);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.social-links a:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--medium-gray);
  color: var(--medium-gray);
}

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

.success-content {
  text-align: center;
  max-width: 600px;
  padding: var(--spacing-xl);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-heavy);
}

.success-icon {
  font-size: 5rem;
  color: var(--accent-gold);
  margin-bottom: var(--spacing-md);
}

/* Page Styles */
.page-content {
  padding-top: 100px;
  min-height: calc(100vh - 200px);
}

.page-header {
  background: var(--gradient-primary);
  color: var(--text-light);
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.page-body {
  padding: var(--spacing-xl) 0;
}

.page-body h2 {
  color: var(--primary-color);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.page-body h3 {
  color: var(--text-primary);
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

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

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

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

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.95);
    width: 100%;
    text-align: center;
    transition: left var(--transition-medium);
    box-shadow: var(--shadow-medium);
    padding: var(--spacing-md) 0;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .nav-toggle.active .bar:nth-child(2) {
    opacity: 0;
  }
  
  .nav-toggle.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  
  .nav-toggle.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .research-content,
  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .services-grid,
  .testimonials-grid,
  .pricing-grid,
  .accolades-grid {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  h3 { font-size: 1.8rem; }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .pricing-card.featured {
    transform: none;
  }
  
  .accolade-item {
    flex-direction: column;
    text-align: center;
  }
  
  .btn {
    min-width: auto;
    width: 100%;
  }
}

/* Print Styles */
@media print {
  .header,
  .footer,
  .btn,
  .nav-toggle {
    display: none;
  }
  
  body {
    background: white;
    color: black;
  }
  
  .hero {
    height: auto;
    background: none;
  }
  
  .hero::before {
    display: none;
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --text-primary: #000000;
    --text-secondary: #333333;
    --primary-color: #000080;
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.3);
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}