:root {
  /* Color Variables */
  --primary-color: #2c7873;
  --primary-dark: #1e5853;
  --secondary-color: #6fb98f;
  --accent-color: #e37222;
  --neutral-light: #f9f9f9;
  --neutral-medium: #e0e0e0;
  --neutral-dark: #333333;
  --white: #ffffff;
  --black: #000000;
  --success: #28a745;
  --warning: #ffc107;
  --danger: #dc3545;
  --info: #17a2b8;
  
  /* Typography */
  --heading-font: 'Poppins', sans-serif;
  --body-font: 'Work Sans', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-xxl: 3rem;
  
  /* Borders */
  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 1rem;
  
  /* 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, 0.15);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Base Styles */
html {
  scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--heading-font);
  font-weight: 700;
  line-height: 1.3;
  color: var(--neutral-dark);
}

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);
}

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

/* Utility Classes */
.text-primary { color: var(--primary-color) !important; }
.text-secondary { color: var(--secondary-color) !important; }
.text-accent { color: var(--accent-color) !important; }
.text-white { color: var(--white) !important; }

.bg-primary { background-color: var(--primary-color) !important; }
.bg-secondary { background-color: var(--secondary-color) !important; }
.bg-accent { background-color: var(--accent-color) !important; }
.bg-light { background-color: var(--neutral-light) !important; }
.bg-dark { background-color: var(--neutral-dark) !important; }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

/* Header & Navigation */
header {
  transition: all var(--transition-medium);
  z-index: 1000;
}

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

.navbar-brand {
  font-family: var(--heading-font);
  font-weight: 700;
  color: var(--primary-color);
}

.nav-link {
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-md) !important;
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: all var(--transition-fast);
  transform: translateX(-50%);
}

.nav-link:hover::after {
  width: 80%;
}

.nav-link.active {
  color: var(--primary-color) !important;
}

.nav-link.active::after {
  width: 80%;
}

/* Button Styles */
.btn {
  font-family: var(--heading-font);
  font-weight: 500;
  padding: 0.6rem 1.5rem;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn:before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.1);
  transition: all var(--transition-medium);
  z-index: -1;
}

.btn:hover:before {
  left: 0;
}

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

.btn-primary:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.btn-outline-primary {
  color: var(--primary-color);
  border-color: var(--primary-color);
}

.btn-outline-primary:hover {
  background-color: var(--primary-color);
  color: var(--white);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.btn-outline-light {
  color: var(--white);
  border-color: var(--white);
}

.btn-outline-light:hover {
  background-color: var(--white);
  color: var(--primary-color);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

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

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

.hero-section .container {
  position: relative;
  z-index: 1;
}

.hero-section h1 {
  font-size: 3.5rem;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  margin-bottom: var(--spacing-lg);
}

.hero-section p {
  font-size: 1.25rem;
  text-shadow: 0 1px 5px rgba(0, 0, 0, 0.3);
  margin-bottom: var(--spacing-xl);
}

/* Section Styles */
.section-title {
  position: relative;
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
  color: var(--primary-color);
}

.section-divider {
  width: 80px;
  height: 3px;
  background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
  margin-bottom: var(--spacing-xl);
}

/* Mission Section */
#mise {
  position: relative;
  overflow: hidden;
}

.icon-box {
  width: 50px;
  height: 50px;
  background-color: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.5rem;
}

/* History Section */
.timeline {
  position: relative;
  padding: 0;
  margin: 0;
}

.timeline:before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 2px;
  background: var(--primary-color);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-xl);
  padding-left: var(--spacing-xl);
}

.timeline-date {
  position: absolute;
  left: -10px;
  top: 0;
  width: 20px;
  height: 20px;
  background: var(--primary-color);
  border-radius: 50%;
  text-align: center;
  color: var(--white);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 30px;
}

.timeline-content {
  background: var(--white);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
}

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

.stat-item {
  padding: var(--spacing-md);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0;
  color: var(--white);
}

.stat-text {
  margin-bottom: 0;
  font-size: 0.9rem;
}

/* Portfolio Section */
.portfolio-filters {
  margin-bottom: var(--spacing-lg);
}

.portfolio-filters button {
  margin-right: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.portfolio-filters button.active {
  background-color: var(--primary-color);
  color: var(--white);
}

.portfolio-item {
  margin-bottom: var(--spacing-lg);
}

.card {
  border: none;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-medium);
  display: flex;
  flex-direction: column;
  align-items: center;
}

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

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

.card-image img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: all var(--transition-medium);
}

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

.card-content {
  padding: var(--spacing-lg);
  width: 100%;
}

.card-content h4 {
  margin-bottom: var(--spacing-sm);
  font-size: 1.25rem;
}

.card-content p {
  color: var(--neutral-dark);
  font-size: 0.9rem;
}

/* Case Studies Section */
.case-study-card {
  background-color: var(--white);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-medium);
}

.case-study-card:hover {
  box-shadow: var(--shadow-lg);
}

.case-study-img {
  overflow: hidden;
  border-radius: var(--border-radius-sm);
  display: flex;
  justify-content: center;
  align-items: center;
}

.case-study-img img {
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform var(--transition-medium);
}

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

/* Webinars Section */
.webinar-card {
  overflow: hidden;
}

.webinar-date {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background-color: var(--primary-color);
  color: var(--white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  font-size: 0.8rem;
  font-weight: 500;
}

.webinar-date.upcoming {
  background-color: var(--accent-color);
}

.webinar-details {
  color: var(--neutral-dark);
  font-size: 0.9rem;
}

/* External Links Section */
.external-link-card {
  height: 100%;
  transition: all var(--transition-medium);
}

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

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

.contact-icon {
  width: 40px;
  height: 40px;
  background-color: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
}

.contact-form {
  background-color: var(--white);
}

.form-control, .form-select {
  padding: 0.8rem 1rem;
  border: 1px solid var(--neutral-medium);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(44, 120, 115, 0.25);
}

/* Footer */
.footer {
  background-color: var(--neutral-dark);
  color: var(--white);
  padding-top: var(--spacing-xxl);
  position: relative;
}

.footer h5 {
  color: var(--white);
  margin-bottom: var(--spacing-lg);
  position: relative;
  display: inline-block;
}

.footer h5:after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 50px;
  height: 2px;
  background-color: var(--primary-color);
}

.footer a {
  color: var(--neutral-medium);
  transition: all var(--transition-fast);
}

.footer a:hover {
  color: var(--white);
  text-decoration: none;
}

.social-links a {
  display: inline-block;
  transition: all var(--transition-fast);
  margin-right: var(--spacing-md);
}

.social-links a:hover {
  color: var(--primary-color) !important;
  transform: translateY(-3px);
}

.newsletter-form .form-control {
  background-color: rgba(255, 255, 255, 0.1);
  border: none;
  color: var(--white);
}

.newsletter-form .form-control::placeholder {
  color: rgba(255, 255, 255, 0.7);
}

/* Success Page */
.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-xxl) 0;
}

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

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

/* Media Queries */
@media (max-width: 992px) {
  .hero-section h1 {
    font-size: 2.5rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .timeline:before {
    left: 15px;
  }
  
  .timeline-date {
    left: 5px;
  }
}

@media (max-width: 768px) {
  .hero-section {
    min-height: 80vh;
  }
  
  .hero-section h1 {
    font-size: 2rem;
  }
  
  .section-title {
    font-size: 1.8rem;
  }
  
  .timeline:before {
    display: none;
  }
  
  .timeline-item {
    padding-left: 0;
  }
  
  .timeline-date {
    position: relative;
    left: 0;
    top: 0;
    display: block;
    width: auto;
    height: auto;
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    justify-content: center;
  }
}

@media (max-width: 576px) {
  .hero-section h1 {
    font-size: 1.8rem;
  }
  
  .btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
  }
}

/* Animations */
@keyframes fadeIn {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.float {
  animation: float 6s ease-in-out infinite;
}

/* 3D Effects */
.card, .case-study-card, .webinar-card {
  transform-style: preserve-3d;
  perspective: 1000px;
}

.card:hover, .case-study-card:hover, .webinar-card:hover {
  transform: translateY(-10px) rotateX(5deg);
}

/* Additional Specific Styles */
.about-page {
  padding-top: 100px;
}

.team-member {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.team-member img {
  width: 200px;
  height: 200px;
  object-fit: cover;
  border-radius: 50%;
  margin: 0 auto var(--spacing-md);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-medium);
}

.team-member:hover img {
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}

.read-more {
  display: inline-block;
  color: var(--primary-color);
  font-weight: 500;
  margin-top: var(--spacing-sm);
  position: relative;
}

.read-more:after {
  content: '→';
  margin-left: var(--spacing-xs);
  transition: all var(--transition-fast);
}

.read-more:hover:after {
  margin-left: var(--spacing-sm);
}

/* Testimonials */
.testimonial {
  text-align: center;
  padding: var(--spacing-lg);
  background-color: var(--white);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--spacing-lg);
  transition: all var(--transition-medium);
}

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

.testimonial img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto var(--spacing-md);
}

.testimonial-content {
  position: relative;
  padding: 0 var(--spacing-md);
}

.testimonial-content:before, 
.testimonial-content:after {
  content: '"';
  position: absolute;
  font-size: 3rem;
  color: var(--neutral-medium);
  line-height: 1;
}

.testimonial-content:before {
  left: 0;
  top: -10px;
}

.testimonial-content:after {
  right: 0;
  bottom: -30px;
  transform: rotate(180deg);
}

.testimonial-author {
  margin-top: var(--spacing-md);
}

.testimonial-author h5 {
  margin-bottom: 0;
  color: var(--primary-color);
}

.testimonial-author p {
  color: var(--neutral-dark);
  margin-bottom: 0;
  font-size: 0.9rem;
}