:root {
  /* Corporate Design System Colors */
  --primary: #0055a4;
  --primary-dark: #00407c;
  --primary-light: #2673c2;
  --secondary: #e63329;
  --secondary-dark: #c82218;
  --secondary-light: #f05546;
  --accent: #ffc72c;
  --accent-dark: #e6b018;
  --accent-light: #ffd44c;
  --dark: #1a1a2e;
  --gray-dark: #333341;
  --gray: #6e6e80;
  --gray-light: #d1d1db;
  --light: #f5f7fa;
  --white: #ffffff;
  
  /* Typography */
  --heading-font: 'Manrope', sans-serif;
  --body-font: 'Rubik', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 999px;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.15);
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

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

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

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

h1 {
  font-size: 3.5rem;
  margin-bottom: var(--spacing-md);
}

h2 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}

h3 {
  font-size: 1.75rem;
  margin-bottom: var(--spacing-sm);
}

h4 {
  font-size: 1.5rem;
}

h5 {
  font-size: 1.25rem;
}

h6 {
  font-size: 1rem;
}

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

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

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

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

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

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

/* Section */
.section {
  padding: var(--spacing-lg) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  position: relative;
}

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

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-family: var(--heading-font);
  font-weight: 600;
  font-size: 1rem;
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

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

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

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

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

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

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

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--white);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-sm) 0;
}

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

.logo a {
  display: block;
}

.logo img {
  max-height: 60px;
}

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

.nav-menu li {
  margin-left: var(--spacing-md);
}

.nav-menu a {
  color: var(--gray-dark);
  font-weight: 500;
  font-size: 1rem;
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.hamburger {
  display: none;
  cursor: pointer;
}

.bar {
  display: block;
  width: 25px;
  height: 3px;
  margin: 5px 0;
  background-color: var(--gray-dark);
  transition: all var(--transition-fast);
}

/* Hero Section */
.hero {
  position: relative;
  padding: 0;
  height: 100vh;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--white);
  margin-top: 0;
}

.hero .overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to right, rgba(0,0,0,0.8), rgba(0,0,0,0.4));
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 700px;
}

.hero-content h1 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
}

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

.hero-buttons {
  display: flex;
  gap: var(--spacing-sm);
}

/* Our Process Section */
.our-process {
  background-color: var(--light);
  position: relative;
  overflow: hidden;
}

.process-steps {
  position: relative;
}

.process-steps:before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 20px;
  width: 2px;
  background: var(--primary-light);
}

.process-step {
  display: flex;
  margin-bottom: var(--spacing-lg);
  position: relative;
}

.step-number {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: var(--primary);
  color: var(--white);
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  margin-right: var(--spacing-md);
  z-index: 2;
}

.step-content {
  padding-bottom: var(--spacing-sm);
}

/* Projects Section */
.projects {
  background-color: var(--white);
}

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

.project-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.card-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
}

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

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

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

.card-content h3 {
  margin-bottom: var(--spacing-sm);
  font-size: 1.5rem;
}

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

/* Behind the Scenes Section */
.behind-scenes {
  background-color: var(--light);
}

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

.scene-text {
  flex: 1;
  min-width: 300px;
}

.scene-gallery {
  flex: 1;
  min-width: 300px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
}

.gallery-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

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

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

.stats-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.stat-widget {
  flex: 1;
  min-width: 200px;
  background: var(--white);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
}

.stat-widget:hover {
  transform: translateY(-5px);
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--spacing-xs);
  line-height: 1;
}

.stat-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: var(--spacing-xs);
}

.stat-description {
  font-size: 0.9rem;
  color: var(--gray);
}

/* Case Studies Section */
.case-studies {
  background-color: var(--white);
}

.case-studies-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.case-study {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  align-items: center;
}

.case-image {
  flex: 1;
  min-width: 300px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

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

.case-image:hover img {
  transform: scale(1.03);
}

.case-content {
  flex: 1;
  min-width: 300px;
}

.case-content h3 {
  margin-bottom: var(--spacing-sm);
}

.case-content p {
  margin-bottom: var(--spacing-sm);
}

/* Sustainability Section */
.sustainability {
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.sustainability .section-title {
  color: var(--white);
}

.sustainability .section-title:after {
  background: var(--white);
}

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

.sustainability-text {
  flex: 1;
  min-width: 300px;
  color: var(--white);
}

.sustainability-text p {
  margin-bottom: var(--spacing-sm);
}

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

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

.sustainability-image:hover img {
  transform: scale(1.03);
}

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

.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--spacing-md);
}

.resource-card {
  background: var(--white);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
  text-align: center;
}

.resource-card:hover {
  transform: translateY(-5px);
}

.resource-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
  color: var(--primary);
}

.resource-link {
  display: inline-block;
  margin-top: var(--spacing-sm);
  color: var(--secondary);
  font-weight: 600;
  transition: color var(--transition-fast);
}

.resource-link:hover {
  color: var(--secondary-dark);
  text-decoration: underline;
}

/* Insights Section */
.insights {
  background-color: var(--white);
}

.insights-slider {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.insight-card {
  flex: 1;
  min-width: 300px;
  background: var(--light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
}

.insight-card:hover {
  transform: translateY(-5px);
}

.insight-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
}

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

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

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

.insight-content h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
  color: var(--primary);
}

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

.contact-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

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

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

.info-item {
  display: flex;
  margin-bottom: var(--spacing-sm);
  align-items: flex-start;
}

.info-icon {
  margin-right: var(--spacing-sm);
  font-size: 1.5rem;
}

.contact-map {
  margin-top: var(--spacing-md);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

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

.contact-form h3 {
  margin-bottom: var(--spacing-md);
}

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

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

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

/* Footer */
.footer {
  background-color: var(--dark);
  color: var(--light);
  padding: var(--spacing-lg) 0 var(--spacing-sm);
}

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

.footer-logo {
  flex: 1;
  min-width: 250px;
}

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

.footer-logo p {
  font-size: 0.9rem;
  opacity: 0.8;
}

.footer-links {
  flex: 2;
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.footer-column {
  flex: 1;
  min-width: 150px;
}

.footer-column h4 {
  color: var(--white);
  margin-bottom: var(--spacing-sm);
  font-size: 1.1rem;
}

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

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

.footer-column a {
  color: var(--gray-light);
  text-decoration: none;
  transition: color var(--transition-fast);
  font-size: 0.9rem;
}

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

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.social-links li {
  margin-right: var(--spacing-sm);
}

.social-links a {
  display: inline-block;
  padding: var(--spacing-xs) 0;
  transition: color var(--transition-fast);
}

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

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

.footer-bottom p {
  font-size: 0.8rem;
  opacity: 0.7;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 1100;
  overflow-y: auto;
  padding: var(--spacing-lg) 0;
}

.modal-content {
  background-color: var(--white);
  margin: 0 auto;
  max-width: 800px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  position: relative;
}

.close-modal {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  font-size: 2rem;
  color: var(--gray-dark);
  cursor: pointer;
  transition: color var(--transition-fast);
  z-index: 2;
}

.close-modal:hover {
  color: var(--secondary);
}

.modal-content h2 {
  background-color: var(--primary);
  color: var(--white);
  padding: var(--spacing-md);
  margin: 0;
}

.modal-body {
  padding: var(--spacing-md);
}

.modal-body img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
}

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

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

.success-content {
  max-width: 600px;
}

.success-content h1 {
  margin-bottom: var(--spacing-md);
  color: var(--primary);
}

.success-content p {
  margin-bottom: var(--spacing-md);
  font-size: 1.2rem;
}

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

.privacy-content,
.terms-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-md);
}

.privacy-content h1,
.terms-content h1 {
  margin-bottom: var(--spacing-lg);
}

.privacy-content h2,
.terms-content h2 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.privacy-content p,
.terms-content p {
  margin-bottom: var(--spacing-md);
}

/* Particle Animation */
@keyframes float {
  0% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(5deg); }
  100% { transform: translateY(0) rotate(0deg); }
}

.particle {
  position: absolute;
  border-radius: 50%;
  opacity: 0.5;
  pointer-events: none;
  animation: float 8s infinite ease-in-out;
}

.particle-1 {
  background-color: var(--primary-light);
  width: 80px;
  height: 80px;
  top: 10%;
  left: 5%;
  animation-delay: 0s;
}

.particle-2 {
  background-color: var(--secondary-light);
  width: 60px;
  height: 60px;
  top: 30%;
  right: 10%;
  animation-delay: 1s;
}

.particle-3 {
  background-color: var(--accent);
  width: 40px;
  height: 40px;
  bottom: 20%;
  left: 15%;
  animation-delay: 2s;
}

.particle-4 {
  background-color: var(--primary);
  width: 100px;
  height: 100px;
  bottom: 10%;
  right: 5%;
  animation-delay: 3s;
}

/* Responsive Styles */
@media (max-width: 991px) {
  h1 {
    font-size: 3rem;
  }
  
  h2 {
    font-size: 2rem;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 80px;
    flex-direction: column;
    background-color: var(--white);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
    padding: var(--spacing-md) 0;
    z-index: 999;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-menu li {
    margin: var(--spacing-sm) 0;
  }
  
  .hamburger {
    display: block;
  }
  
  .hamburger.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  
  .hamburger.active .bar:nth-child(2) {
    opacity: 0;
  }
  
  .hamburger.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
  
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 1.8rem;
  }
  
  .hero-content {
    text-align: center;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .case-study {
    text-align: center;
  }
}

@media (max-width: 576px) {
  .process-step {
    flex-direction: column;
  }
  
  .step-number {
    margin-bottom: var(--spacing-sm);
  }
  
  .stats-container {
    gap: var(--spacing-sm);
  }
  
  .stat-widget {
    flex: 100%;
    margin-bottom: var(--spacing-sm);
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  .btn {
    width: 100%;
    margin-bottom: var(--spacing-xs);
  }
  
  .hero-buttons {
    flex-direction: column;
  }
}