:root {
  /* Color Palette */
  --primary-color: #3a5cff;
  --primary-dark: #2941cc;
  --primary-light: #6b83ff;
  --secondary-color: #1d2135;
  --secondary-dark: #131622;
  --secondary-light: #2a3048;
  --accent-color: #ff3a74;
  --accent-dark: #cc2957;
  --accent-light: #ff6b9a;
  
  /* Neutral Colors */
  --white: #ffffff;
  --light-gray: #f5f7fa;
  --medium-gray: #e1e5ee;
  --dark-gray: #6e7891;
  --black: #1a1a1a;
  
  /* Text Colors */
  --text-primary: #1d2135;
  --text-secondary: #4a5568;
  --text-light: #a0aec0;
  --text-white: #ffffff;
  
  /* Background Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-dark: #1d2135;
  --bg-light: #f5f7fa;
  --bg-accent: rgba(58, 92, 255, 0.05);
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 15px 25px rgba(0, 0, 0, 0.15);
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Borders */
  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 1rem;
  --border-width: 1px;
  --border-color: var(--medium-gray);
  
  /* Typography */
  --font-heading: 'Inter', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-loose: 1.75;
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
}

/* 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-primary);
  line-height: var(--line-height-normal);
  background-color: var(--bg-primary);
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-md);
  color: var(--secondary-color);
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

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

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

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

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

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

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

/* Buttons */
.btn, button, input[type='submit'] {
  display: inline-block;
  padding: 0.8rem 1.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  border: none;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
}

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

.btn-primary:hover {
  background-color: var(--primary-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: transparent;
  color: var(--primary-color);
  border: var(--border-width) solid var(--primary-color);
}

.btn-secondary:hover {
  background-color: var(--primary-light);
  color: var(--white);
  border-color: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-accent:hover {
  background-color: var(--accent-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Section Styles */
.section-title {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background-color: var(--primary-color);
  margin: var(--spacing-sm) auto 0;
  border-radius: var(--border-radius-sm);
}

/* Cards */
.card {
  display: flex;
  flex-direction: column;
  background-color: var(--bg-primary);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  margin-bottom: var(--spacing-xl);
  align-items: center;
}

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

.card-image {
  width: 100%;
  height: 280px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: 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-xl);
  text-align: center;
  flex: 1;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: background-color var(--transition-normal);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo a {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--primary-color);
  transition: color var(--transition-fast);
}

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

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

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

.main-nav a {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  color: var(--secondary-color);
  position: relative;
}

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

.main-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: width var(--transition-fast);
}

.main-nav 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(--secondary-color);
  transition: all var(--transition-fast);
}

/* Hero Section */
.hero {
  position: relative;
  padding: 180px 0 100px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--text-white);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.7));
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

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

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

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

/* Services Section */
.services {
  padding: var(--spacing-3xl) 0;
  background-color: var(--bg-secondary);
}

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

/* Gallery Section */
.gallery {
  padding: var(--spacing-3xl) 0;
  background-color: var(--bg-primary);
}

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

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
  aspect-ratio: 4/3;
  display: flex;
  justify-content: center;
  align-items: center;
}

.gallery-item:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow-lg);
}

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

.gallery-item:hover img {
  transform: scale(1.1);
}

/* Resources Section */
.resources {
  padding: var(--spacing-3xl) 0;
  background-color: var(--bg-secondary);
}

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

.resource-card {
  background-color: var(--white);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

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

.resource-card ul {
  padding-left: var(--spacing-md);
}

/* Sustainability Section */
.sustainability {
  padding: var(--spacing-3xl) 0;
  background-color: var(--bg-primary);
}

.sustainability-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-2xl);
}

.sustainability-image {
  flex: 1;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.sustainability-image img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

.sustainability-text {
  flex: 1;
}

.sustainability-text h3 {
  margin-bottom: var(--spacing-md);
}

/* Behind the Scenes Section */
.behind-scenes {
  padding: var(--spacing-3xl) 0;
  background-color: var(--bg-secondary);
}

.timeline {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
}

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

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

.timeline-icon {
  position: absolute;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: var(--primary-color);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--white);
  z-index: 2;
  box-shadow: var(--shadow-md);
}

.timeline-content {
  position: relative;
  width: 45%;
  margin-left: auto;
  background-color: var(--white);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

.timeline-item:nth-child(even) .timeline-content {
  margin-left: 0;
  margin-right: auto;
}

.timeline-content img {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius-md);
  margin-top: var(--spacing-lg);
  display: block;
  margin-left: auto;
  margin-right: auto;
  object-fit: cover;
}

/* Innovation Section */
.innovation {
  padding: var(--spacing-3xl) 0;
  background-color: var(--bg-primary);
}

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

/* FAQ Section */
.faq {
  padding: var(--spacing-3xl) 0;
  background-color: var(--bg-secondary);
}

.accordion {
  max-width: 800px;
  margin: 0 auto;
}

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

.accordion-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg);
  cursor: pointer;
  background-color: var(--white);
  transition: background-color var(--transition-fast);
}

.accordion-header:hover {
  background-color: var(--bg-accent);
}

.accordion-header h3 {
  margin: 0;
  font-size: 1.25rem;
}

.accordion-icon {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  transition: transform var(--transition-fast);
}

.accordion-item.active .accordion-icon {
  transform: rotate(45deg);
}

.accordion-content {
  padding: 0 var(--spacing-lg);
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal), padding var(--transition-normal);
}

.accordion-item.active .accordion-content {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  max-height: 1000px;
}

/* Contact Section */
.contact {
  padding: var(--spacing-3xl) 0;
  background-color: var(--bg-primary);
}

.contact-container {
  display: flex;
  gap: var(--spacing-2xl);
}

.contact-info {
  flex: 1;
}

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

.contact-info p {
  margin-bottom: var(--spacing-sm);
}

.locations-list {
  padding-left: 0;
  list-style: none;
}

.locations-list li {
  margin-bottom: var(--spacing-md);
}

.contact-form-container {
  flex: 1;
}

.contact-form {
  background-color: var(--white);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-body);
  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);
}

.form-group button {
  width: 100%;
}

/* Footer */
.footer {
  background-color: var(--secondary-color);
  color: var(--white);
  padding: var(--spacing-2xl) 0 var(--spacing-xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--spacing-xl);
}

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

.footer-logo a {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--white);
}

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

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

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

.footer-column a:hover {
  color: var(--white);
}

.social-links li {
  display: flex;
  align-items: center;
}

.social-links a {
  display: flex;
  align-items: center;
  color: var(--medium-gray);
}

.social-links a:hover {
  color: var(--white);
}

.footer-bottom {
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-lg);
  text-align: center;
  border-top: var(--border-width) solid rgba(255, 255, 255, 0.1);
}

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

.success-container {
  max-width: 600px;
  background-color: var(--white);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-lg);
}

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

/* Responsive */
@media (max-width: 991px) {
  h1 {
    font-size: 2.2rem;
  }
  
  h2 {
    font-size: 1.8rem;
  }
  
  h3 {
    font-size: 1.3rem;
  }
  
  .sustainability-content {
    flex-direction: column;
  }
  
  .contact-container {
    flex-direction: column;
  }
  
  .timeline::before {
    left: 40px;
  }
  
  .timeline-icon {
    left: 40px;
  }
  
  .timeline-content {
    width: calc(100% - 80px);
    margin-left: 80px;
  }
  
  .timeline-item:nth-child(even) .timeline-content {
    margin-left: 80px;
    margin-right: 0;
  }
}

@media (max-width: 767px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    background-color: var(--white);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-md);
  }
  
  .main-nav.active {
    display: block;
  }
  
  .main-nav ul {
    flex-direction: column;
  }
  
  .main-nav li {
    margin: var(--spacing-sm) 0;
  }
  
  .burger-menu {
    display: flex;
  }
  
  .cta-buttons {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .services-grid, 
  .gallery-grid, 
  .resources-grid,
  .innovation-cards {
    grid-template-columns: 1fr;
  }
  
  .hero {
    padding: 150px 0 80px;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
}

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

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

/* JavaScript Support Classes */
.hidden {
  display: none;
}

/* Script.js Support Classes */
.accordion-item.active .accordion-header {
  background-color: var(--bg-accent);
}

.main-nav.active {
  display: block;
}

/* Dark Mode Support (for future implementation) */
@media (prefers-color-scheme: dark) {
  :root {
    /* Dark mode colors would go here */
  }
}

/* Privacy and Terms Pages */
.privacy-page, .terms-page {
  padding-top: 100px;
  padding-bottom: var(--spacing-3xl);
}

.privacy-content, .terms-content {
  max-width: 800px;
  margin: 0 auto;
  background-color: var(--white);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

/* Contacts Page */
.contacts-page {
  padding-top: 100px;
  padding-bottom: var(--spacing-3xl);
}

/* About Page */
.about-page {
  padding-top: 100px;
  padding-bottom: var(--spacing-3xl);
}