:root {
  /* Typography */
  --font-heading: 'Archivo Black', sans-serif;
  --font-body: 'Roboto', sans-serif;
  
  /* Color scheme - Vibrant */
  --color-primary: #FF3E6C;
  --color-primary-dark: #D93057;
  --color-secondary: #4D13D1;
  --color-secondary-dark: #3A0FB0;
  --color-accent: #00E5A0;
  --color-accent-dark: #00C184;
  
  /* Neutrals */
  --color-dark: #1A1A2E;
  --color-text: #333344;
  --color-text-light: #777788;
  --color-light: #F4F5F9;
  --color-white: #FFFFFF;
  
  /* Background gradients */
  --gradient-primary: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  --gradient-accent: linear-gradient(135deg, var(--color-accent), var(--color-secondary));
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  
  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  
  /* Animation */
  --transition-fast: 0.2s ease-out;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.65, 0.05, 0.36, 1);
}

/* Global styles */
html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-light);
  margin: 0;
  padding: 0;
  min-height: 100vh;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-top: 0;
  margin-bottom: var(--space-md);
  color: var(--color-dark);
}

h1 {
  font-size: 3.2rem;
  margin-bottom: var(--space-lg);
}

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

h3 {
  font-size: 1.8rem;
  margin-bottom: var(--space-sm);
}

h4 {
  font-size: 1.3rem;
  margin-bottom: var(--space-sm);
}

p {
  margin-top: 0;
  margin-bottom: var(--space-md);
}

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

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

img {
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-md);
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin-right: auto;
  margin-left: auto;
  padding-left: var(--space-md);
  padding-right: var(--space-md);
}

/* Buttons */
.btn, button, input[type="submit"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.8rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
}

.btn-primary, button.btn-primary, input[type="submit"].btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

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

.btn-secondary, button.btn-secondary, input[type="submit"].btn-secondary {
  background-color: var(--color-secondary);
  color: var(--color-white);
}

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

.btn-accent, button.btn-accent, input[type="submit"].btn-accent {
  background-color: var(--color-accent);
  color: var(--color-dark);
}

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

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

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

.card-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
  position: relative;
  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(--space-md);
  width: 100%;
  text-align: center;
}

/* Section styles */
section {
  padding: var(--space-xl) 0;
  position: relative;
}

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

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background-color: var(--color-accent);
  margin: var(--space-sm) auto 0;
}

/* Header & Navigation */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  padding: var(--space-sm) 0;
  transition: all var(--transition-normal);
}

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

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

.logo a {
  display: flex;
  align-items: center;
  text-decoration: none;
}

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

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

.desktop-nav li {
  margin-left: var(--space-md);
}

.desktop-nav a {
  text-decoration: none;
  font-weight: 500;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

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

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  cursor: pointer;
  z-index: 1001;
}

.mobile-menu-toggle span {
  width: 100%;
  height: 3px;
  background-color: var(--color-text);
  border-radius: 3px;
  transition: all var(--transition-normal);
}

.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-light);
  z-index: 999;
  padding-top: 80px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.mobile-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.mobile-nav li {
  margin-bottom: var(--space-md);
}

.mobile-nav a {
  display: block;
  font-size: 1.5rem;
  text-align: center;
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.mobile-nav.active {
  opacity: 1;
  visibility: visible;
}

/* Hero section */
.hero {
  padding: 0;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  color: var(--color-white);
  margin-top: 80px;
}

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

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: var(--space-lg) 0;
}

.hero-title {
  font-size: 4rem;
  color: var(--color-white);
  margin-bottom: var(--space-md);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
  font-size: 1.5rem;
  max-width: 800px;
  margin: 0 auto var(--space-lg);
  color: var(--color-white);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 1.2s ease-out;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  animation: fadeInUp 1.4s ease-out;
}

/* About Section */
.about-section {
  background-color: var(--color-white);
}

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

.about-image {
  flex: 1 1 400px;
  display: flex;
  justify-content: center;
}

.about-image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-slow);
}

.about-image img:hover {
  transform: scale(1.02);
}

.about-text {
  flex: 1 1 500px;
}

/* Services Section */
.services-section {
  background-color: var(--color-light);
}

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

/* Accolades Section */
.accolades-section {
  background-color: var(--color-white);
  overflow: hidden;
}

.statistics-widgets {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.stat-widget {
  flex: 1 1 200px;
  max-width: 250px;
  background-color: var(--color-light);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: transform var(--transition-normal);
}

.stat-widget:hover {
  transform: translateY(-10px);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  color: var(--color-secondary);
  margin-bottom: var(--space-xs);
}

.stat-desc {
  font-size: 1.2rem;
  color: var(--color-text);
}

.timeline {
  margin: var(--space-lg) 0;
}

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

.timeline-container {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

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

.timeline-item {
  position: relative;
  margin-bottom: var(--space-lg);
}

.timeline-dot {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: var(--color-accent);
  position: absolute;
  left: 50%;
  top: 20px;
  margin-left: -10px;
  z-index: 10;
}

.timeline-content {
  width: 45%;
  padding: var(--space-md);
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  position: relative;
}

.timeline-item:nth-child(odd) .timeline-content {
  left: 55%;
}

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

.timeline-content h4 {
  margin-top: 0;
  color: var(--color-secondary);
}

.testimonials {
  margin: var(--space-xl) 0;
}

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

.testimonial-slider {
  position: relative;
  overflow: hidden;
}

.testimonial-slide {
  opacity: 0;
  position: absolute;
  width: 100%;
  top: 0;
  left: 0;
  transition: opacity var(--transition-normal);
}

.testimonial-slide.active {
  opacity: 1;
  position: relative;
}

.testimonial-content {
  background-color: var(--color-light);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.testimonial-content p {
  font-style: italic;
  margin-bottom: var(--space-md);
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
}

.testimonial-author img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
}

.testimonial-author h4 {
  margin: 0;
  font-size: 1.1rem;
}

.testimonial-author p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.slider-controls {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

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

.research-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-xl);
}

.research-article {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
  align-items: center;
}

.research-image {
  flex: 1 1 400px;
  display: flex;
  justify-content: center;
}

.research-image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.research-text {
  flex: 1 1 500px;
}

.resources-section {
  margin-top: var(--space-xl);
}

.resources-list {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--space-md);
}

.resources-list li {
  background-color: var(--color-white);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.resources-list li:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.resources-list a {
  display: block;
  text-decoration: none;
  color: var(--color-secondary);
  font-weight: 500;
}

.resources-list a:hover {
  color: var(--color-secondary-dark);
}

/* Gallery Section */
.gallery-section {
  background-color: var(--color-white);
  overflow: hidden;
}

.gallery-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-lg);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.gallery-item {
  height: 200px;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

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

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

.gallery-controls {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
}

/* Team Section */
.team-section {
  background-color: var(--color-light);
}

.team-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-lg);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.team-position {
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

/* Portfolio Section */
.portfolio-section {
  background-color: var(--color-white);
}

.portfolio-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-lg);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--space-lg);
}

.portfolio-client {
  color: var(--color-secondary);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.portfolio-details {
  margin-top: var(--space-md);
}

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

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

.contact-info {
  flex: 1 1 400px;
}

.contact-details {
  margin-bottom: var(--space-lg);
}

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

.contact-item h4 {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-xs);
}

.contact-map {
  width: 100%;
  height: 300px;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: var(--space-md);
}

.contact-map img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.contact-form-container {
  flex: 1 1 500px;
  background-color: var(--color-white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.contact-form-container h3 {
  margin-top: 0;
  margin-bottom: var(--space-lg);
  text-align: center;
}

.contact-form {
  display: grid;
  gap: var(--space-md);
}

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

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

.form-group input,
.form-group textarea {
  padding: 0.8rem;
  border: 1px solid #ddd;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

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

/* Footer */
.main-footer {
  background-color: var(--color-dark);
  color: var(--color-white);
  padding: var(--space-xl) 0 var(--space-md);
}

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

.footer-info {
  flex: 1 1 300px;
}

.footer-logo h2 {
  margin: 0;
  color: var(--color-white);
}

.footer-logo p {
  margin-top: var(--space-xs);
  color: var(--color-text-light);
}

.footer-contact {
  margin-top: var(--space-md);
}

.footer-contact p {
  margin-bottom: var(--space-xs);
}

.footer-contact a {
  color: var(--color-accent);
}

.footer-links {
  flex: 2 1 600px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.footer-nav,
.footer-legal,
.footer-social {
  flex: 1 1 200px;
  margin-bottom: var(--space-md);
}

.footer-nav h3,
.footer-legal h3,
.footer-social h3 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
  font-size: 1.2rem;
}

.footer-nav ul,
.footer-legal ul,
.footer-social ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-nav li,
.footer-legal li,
.footer-social li {
  margin-bottom: var(--space-xs);
}

.footer-nav a,
.footer-legal a {
  color: var(--color-text-light);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.footer-social a {
  display: inline-flex;
  align-items: center;
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

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

.footer-bottom p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text-light);
}

/* Additional pages */
.privacy-page,
.terms-page {
  padding-top: 100px;
}

.privacy-content,
.terms-content {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
}

.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-lg);
}

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

.success-icon {
  width: 100px;
  height: 100px;
  margin: 0 auto var(--space-lg);
  color: var(--color-accent);
}

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

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

.fade-in-up {
  animation: fadeInUp var(--transition-normal);
}

/* Responsive styles */
@media (max-width: 992px) {
  h1 {
    font-size: 2.8rem;
  }
  
  h2 {
    font-size: 2.2rem;
  }
  
  .timeline-container::before {
    left: 20px;
  }
  
  .timeline-dot {
    left: 20px;
  }
  
  .timeline-content {
    width: calc(100% - 60px);
    left: 60px !important;
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: 2.4rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  h3 {
    font-size: 1.5rem;
  }
  
  .desktop-nav {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .mobile-nav {
    display: block;
  }
  
  .hero-title {
    font-size: 3rem;
  }
  
  .hero-subtitle {
    font-size: 1.3rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: var(--space-sm);
  }
  
  .research-article {
    flex-direction: column;
  }
  
  .contact-content {
    flex-direction: column;
  }
}

@media (max-width: 576px) {
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.8rem;
  }
  
  h3 {
    font-size: 1.3rem;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
  }
  
  .statistics-widgets {
    flex-direction: column;
    align-items: center;
  }
  
  .stat-widget {
    width: 100%;
    max-width: 100%;
  }
}

.mobile-nav.active ul{
  background-color: #fff;
}