:root {
  /* Primary Colors */
  --primary: #1e88e5;
  --primary-dark: #1565c0;
  --primary-light: #64b5f6;
  
  /* Secondary Colors */
  --secondary: #ff5722;
  --secondary-dark: #e64a19;
  --secondary-light: #ff8a65;
  
  /* Accent Colors */
  --accent: #4caf50;
  --accent-dark: #388e3c;
  --accent-light: #81c784;
  
  /* Neutral Colors */
  --dark: #212121;
  --dark-medium: #424242;
  --medium: #757575;
  --light-medium: #bdbdbd;
  --light: #f5f5f5;
  --white: #ffffff;
  
  /* Background Colors */
  --bg-primary: #f8f9fa;
  --bg-secondary: #eeeeee;
  --bg-accent: #e0f7fa;
  
  /* Gradient Colors */
  --gradient-primary: linear-gradient(135deg, var(--primary), var(--primary-dark));
  --gradient-secondary: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
  --gradient-accent: linear-gradient(135deg, var(--accent), var(--accent-dark));
  
  /* Typography */
  --font-heading: 'Archivo Black', sans-serif;
  --font-body: 'Roboto', sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.6;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-round: 50%;
  
  /* 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);
  
  /* Animation */
  --transition-fast: 0.2s;
  --transition-medium: 0.3s;
  --transition-slow: 0.5s;
  
  /* Container Width */
  --container-width: 1200px;
  --container-padding: 1rem;
}

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

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  line-height: var(--line-height-base);
  color: var(--dark);
  background-color: var(--bg-primary);
  overflow-x: hidden;
}

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

h1 {
  font-size: 3rem;
}

h2 {
  font-size: 2.5rem;
}

h3 {
  font-size: 2rem;
}

h4 {
  font-size: 1.5rem;
}

h5 {
  font-size: 1.25rem;
}

h6 {
  font-size: 1rem;
}

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

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

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

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

/* Utility Classes */
.container {
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

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

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

.section-description {
  text-align: center;
  color: var(--medium);
  max-width: 800px;
  margin: -1.5rem auto var(--spacing-xl);
  font-size: 1.1rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  text-align: center;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-medium);
  border: none;
  font-family: var(--font-body);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(30, 136, 229, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 6px 20px rgba(30, 136, 229, 0.4);
  transform: translateY(-2px);
  color: var(--white);
}

.btn-secondary {
  background: var(--gradient-secondary);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(255, 87, 34, 0.3);
}

.btn-secondary:hover {
  box-shadow: 0 6px 20px rgba(255, 87, 34, 0.4);
  transform: translateY(-2px);
  color: var(--white);
}

.btn-small {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

button, input[type='submit'] {
  font-family: var(--font-body);
  cursor: pointer;
}

/* Header Styles */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-md);
  z-index: 1000;
  padding: 1rem 0;
  transition: all var(--transition-medium);
}

.main-header.scrolled {
  padding: 0.5rem 0;
  background-color: rgba(255, 255, 255, 0.98);
}

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

.logo h1 {
  font-size: 1.8rem;
  margin-bottom: 0;
  color: var(--primary);
  transition: transform var(--transition-fast);
}

.logo h1:hover {
  transform: scale(1.05);
}

.desktop-menu {
  display: block;
}

.desktop-menu ul {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
}

.desktop-menu a {
  color: var(--dark);
  font-weight: 500;
  position: relative;
  padding: 0.5rem 0;
}

.desktop-menu a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 0;
  background-color: var(--primary);
  transition: width var(--transition-medium);
}

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

.desktop-menu a:hover::after {
  width: 100%;
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  cursor: pointer;
}

.mobile-menu-toggle span {
  display: block;
  height: 3px;
  width: 100%;
  background-color: var(--primary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.mobile-menu {
  display: none;
  background-color: var(--white);
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  padding: 1rem 0;
  box-shadow: var(--shadow-md);
}

.mobile-menu ul {
  list-style: none;
}

.mobile-menu li {
  padding: 0.5rem 2rem;
}

.mobile-menu a {
  color: var(--dark);
  font-weight: 500;
  display: block;
  padding: 0.5rem 0;
}

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

/* Hero Section */
.hero {
  padding: 8rem 0 5rem;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  color: var(--white);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5));
  z-index: 1;
}

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

.hero-content h1 {
  font-size: 3.5rem;
  color: var(--white);
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 1s ease-out;
}

.hero-content p {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-lg);
  animation: fadeInUp 1s ease-out 0.2s;
  animation-fill-mode: both;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  animation: fadeInUp 1s ease-out 0.4s;
  animation-fill-mode: both;
}

/* About Section */
.about-section {
  padding: var(--spacing-xxl) 0;
  background-color: var(--bg-primary);
}

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

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

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

.about-image {
  flex: 1;
  min-width: 300px;
  display: flex;
  justify-content: center;
}

.image-container {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-medium);
}

.image-container:hover {
  transform: translateY(-10px);
}

.statistics-widgets {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.stat-item {
  flex: 1;
  min-width: 150px;
  text-align: center;
  padding: var(--spacing-md);
  background-color: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-medium);
}

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

.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--spacing-xs);
}

.stat-title {
  color: var(--medium);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Case Studies Section */
.case-studies-section {
  padding: var(--spacing-xxl) 0;
  background-color: var(--bg-secondary);
}

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

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

.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);
}

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

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

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

.case-stats {
  color: var(--secondary);
  font-weight: 500;
  margin-bottom: var(--spacing-md);
}

/* Clientele Section */
.clientele-section {
  padding: var(--spacing-xxl) 0;
  background-color: var(--white);
}

.client-testimonials {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xxl);
}

.testimonial {
  background-color: var(--bg-primary);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-medium);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

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

.testimonial-image {
  width: 100px;
  height: 100px;
  border-radius: var(--radius-round);
  overflow: hidden;
  margin-bottom: var(--spacing-md);
  border: 3px solid var(--primary);
}

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

.testimonial-content p {
  font-style: italic;
  color: var(--dark-medium);
  margin-bottom: var(--spacing-md);
}

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

.client-description {
  color: var(--medium);
  font-size: 0.9rem;
}

.client-types {
  margin-top: var(--spacing-xl);
}

.client-types h3 {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

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

.client-category {
  padding: var(--spacing-lg);
  background-color: var(--bg-accent);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-medium);
  text-align: center;
}

.client-category:hover {
  transform: translateY(-5px);
}

.client-category h4 {
  color: var(--accent);
  margin-bottom: var(--spacing-sm);
}

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

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

.resource-card {
  padding: var(--spacing-lg);
  background-color: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-medium);
  height: 100%;
}

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

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

.resource-links {
  list-style: none;
  margin-top: var(--spacing-md);
}

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

.resource-links a {
  display: block;
  padding: var(--spacing-sm);
  background-color: var(--bg-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  text-align: center;
  color: var(--dark);
}

.resource-links a:hover {
  background-color: var(--primary-light);
  color: var(--dark);
  transform: translateX(5px);
}

/* Media Section */
.media-section {
  padding: var(--spacing-xxl) 0;
  background-color: var(--bg-secondary);
}

.media-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xxl);
}

.media-item {
  background-color: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-medium);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.media-item:hover {
  transform: translateY(-5px);
}

.media-item .image-container {
  width: 100%;
  height: 200px;
}

.media-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-content {
  padding: var(--spacing-lg);
  text-align: center;
}

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

.media-date {
  color: var(--medium);
  font-size: 0.9rem;
  margin-top: var(--spacing-sm);
}

.publications h3 {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

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

.publication-item {
  padding: var(--spacing-lg);
  background-color: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-medium);
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.publication-item:hover {
  transform: translateY(-5px);
}

.publication-item h4 {
  color: var(--primary);
  margin-bottom: var(--spacing-md);
}

.publication-item p {
  margin-bottom: var(--spacing-lg);
  flex-grow: 1;
}

/* Contact Section */
.contact-section {
  padding: var(--spacing-xxl) 0;
  background-color: var(--white);
}

.contact-content {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xl);
}

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

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

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

.contact-item h4 {
  color: var(--dark);
  margin-bottom: var(--spacing-sm);
}

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

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

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

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

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

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

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

/* Footer Section */
.main-footer {
  background-color: var(--dark);
  color: var(--white);
  padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

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

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

.footer-logo p {
  color: var(--light-medium);
}

.footer-nav h4,
.footer-resources h4,
.footer-social h4 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
}

.footer-nav ul,
.footer-resources ul,
.footer-social ul {
  list-style: none;
}

.footer-nav li,
.footer-resources li,
.footer-social li {
  margin-bottom: var(--spacing-sm);
}

.footer-nav a,
.footer-resources a,
.footer-social a {
  color: var(--light-medium);
  transition: color var(--transition-fast);
}

.footer-nav a:hover,
.footer-resources a:hover,
.footer-social a:hover {
  color: var(--white);
}

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

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

.footer-bottom p {
  color: var(--light-medium);
  font-size: 0.9rem;
  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-lg);
}

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

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

.success-content p {
  margin-bottom: var(--spacing-lg);
}

/* Privacy & Terms Pages */
.page-content {
  padding: 100px 0 var(--spacing-xxl);
}

.page-content .container {
  max-width: 800px;
}

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

.page-content h2 {
  color: var(--dark);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

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

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

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

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

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

/* Media Queries */
@media (max-width: 992px) {
  .hero-content h1 {
    font-size: 2.8rem;
  }
  
  .hero-content p {
    font-size: 1.1rem;
  }
  
  .section-title {
    font-size: 2.2rem;
  }
}

@media (max-width: 768px) {
  .desktop-menu {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .mobile-menu.active {
    display: block;
  }
  
  .hero-content h1 {
    font-size: 2.2rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .about-content,
  .contact-content {
    flex-direction: column;
  }
  
  .statistics-widgets {
    justify-content: center;
  }
  
  .stat-item {
    min-width: 120px;
  }
  
  .footer-content {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media (max-width: 480px) {
  .hero-content h1 {
    font-size: 1.8rem;
  }
  
  .section-title {
    font-size: 1.8rem;
  }
  
  .card-image {
    height: 200px;
  }
  
  .hero {
    padding: 6rem 0 3rem;
  }
  
  .contact-details {
    grid-template-columns: 1fr;
  }
}