/* CSS Variables - Split-Complementary Color Scheme */
:root {
  /* Primary Colors */
  --primary-color: #4A90E2;
  --primary-dark: #2E5A9B;
  --primary-light: #7BB3F0;
  
  /* Split-Complementary Colors */
  --secondary-orange: #E2864A;
  --secondary-red: #E24A4A;
  --accent-yellow: #F4D03F;
  --accent-coral: #FF6B6B;
  
  /* Neutral Colors */
  --white: #FFFFFF;
  --black: #000000;
  --dark: #222222;
  --gray-light: #F8F9FA;
  --gray-medium: #6C757D;
  --gray-dark: #495057;
  
  /* Glassmorphism Colors */
  --glass-bg: rgba(255, 255, 255, 0.15);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-shadow: rgba(0, 0, 0, 0.1);
  
  /* Neo-Brutalism Colors */
  --brutal-shadow: #000000;
  --brutal-border: #222222;
  
  /* Typography */
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Work Sans', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;
  
  /* Transitions */
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;

}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--spacing-sm);
}

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-sm);
  color: var(--gray-dark);
}

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

/* Global Button Styles */
.btn {
  display: inline-block;
  padding: 12px 30px;
  border: none;
  border-radius: 8px;
  font-family: var(--font-heading);
  font-weight: 600;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  font-size: 1rem;
  line-height: 1.5;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: var(--white);
  box-shadow: 0 4px 15px rgba(74, 144, 226, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(74, 144, 226, 0.4);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--secondary-orange), var(--secondary-red));
  color: var(--white);
  box-shadow: 0 4px 15px rgba(226, 134, 74, 0.3);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(226, 134, 74, 0.4);
}

/* Glassmorphism Styles */
.glassmorphism-btn {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  color: var(--white);
}

.glassmorphism-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

.glassmorphism-card {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  box-shadow: 0 8px 32px var(--glass-shadow);
}

.glassmorphism-form {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: var(--spacing-lg);
}

/* Neo-Brutalism Styles */
.neo-brutal-btn {
  background: var(--accent-yellow);
  color: var(--dark);
  border: 3px solid var(--brutal-border);
  box-shadow: 6px 6px 0 var(--brutal-shadow);
  border-radius: 0;
}

.neo-brutal-btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--brutal-shadow);
}

.neo-brutal-card {
  background: var(--white);
  border: 3px solid var(--brutal-border);
  box-shadow: 8px 8px 0 var(--brutal-shadow);
  border-radius: 0;
}

/* Header Styles */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--glass-border);
  z-index: 1000;
  transition: var(--transition-smooth);
}

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

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

.brand-link {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
}

.navbar-menu {
  display: flex;
}

.navbar-nav {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
  margin: 0;
}

.nav-link {
  color: var(--dark);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-smooth);
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: var(--transition-smooth);
}

.nav-link:hover::after {
  width: 100%;
}

.burger-menu {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.burger-menu span {
  width: 25px;
  height: 3px;
  background: var(--dark);
  transition: var(--transition-smooth);
}

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

.hero-content {
  text-align: center;
  max-width: 800px;
  z-index: 2;
}

.hero-content h1 {
  font-size: 3.5rem;
  margin-bottom: var(--spacing-md);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-content p {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-lg);
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

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

/* Section Styles */
section {
  padding: var(--spacing-xl) 0;
}

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

.section-title {
  position: relative;
  display: inline-block;
  margin-bottom: var(--spacing-md);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-orange));
  border-radius: 2px;
}

/* About Section */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.about-text {
  font-size: 1.1rem;
  line-height: 1.8;
}

.about-image img {
  width: 100%;
  border-radius: 16px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Card Styles */
.card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--spacing-lg);
  border-radius: 16px;
  transition: var(--transition-smooth);
  height: 100%;
}

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

.card-image {
  width: 100%;
  height: 250px;
  margin-bottom: var(--spacing-md);
  overflow: hidden;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
  transition: var(--transition-smooth);
}

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

.card-content {
  text-align: center;
}

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

.card-content p {
  color: var(--gray-dark);
}

/* Grid Layouts */
.instructors-grid,
.accolades-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.customer-stories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-md);
}

/* Process Section */
.process-section {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.step-card {
  padding: var(--spacing-lg);
  text-align: center;
  position: relative;
}

.step-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
  font-family: var(--font-heading);
}

/* Research Section */
.research-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.research-stats {
  display: flex;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-md);
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  font-family: var(--font-heading);
}

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

/* Resources Section */
.resource-card {
  padding: var(--spacing-md);
  border-radius: 12px;
  transition: var(--transition-smooth);
}

.resource-card:hover {
  transform: translateY(-3px);
}

.resource-card h4 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.resource-link {
  display: inline-block;
  margin-top: var(--spacing-sm);
  color: var(--secondary-orange);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition-smooth);
}

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

/* Success Stories */
.success-slider {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
  gap: var(--spacing-lg);
}

.success-story-card {
  display: flex;
  background: var(--white);
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  transition: var(--transition-smooth);
}

.success-story-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.story-image {
  flex: 1;
  min-height: 200px;
}

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

.story-content {
  flex: 1;
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.story-author {
  color: var(--primary-color);
  font-style: italic;
  margin-top: var(--spacing-sm);
}

/* Customer Stories */
.customer-card {
  padding: var(--spacing-lg);
  text-align: center;
  border-radius: 16px;
}

.customer-avatar {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-md);
  border-radius: 50%;
  overflow: hidden;
}

.customer-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.customer-role {
  font-size: 0.9rem;
  opacity: 0.8;
}

/* Testimonials */
.testimonials-slider {
  max-width: 800px;
  margin: 0 auto;
}

.testimonial-slide {
  background: var(--white);
  padding: var(--spacing-xl);
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  text-align: center;
}

.testimonial-text {
  margin-bottom: var(--spacing-lg);
}

.testimonial-text p {
  font-size: 1.2rem;
  font-style: italic;
  color: var(--gray-dark);
}

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

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

.author-info h4 {
  margin-bottom: 0;
}

.author-info span {
  color: var(--gray-medium);
  font-size: 0.9rem;
}

/* Media Gallery */
.media-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.media-item {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 16/10;
}

.media-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.media-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  color: var(--white);
  padding: var(--spacing-md);
  transform: translateY(100%);
  transition: var(--transition-smooth);
}

.media-item:hover .media-overlay {
  transform: translateY(0);
}

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

/* Accolades */
.accolade-item {
  text-align: center;
  padding: var(--spacing-md);
}

.accolade-item img {
  width: 120px;
  height: 120px;
  object-fit: contain;
  margin-bottom: var(--spacing-md);
  filter: grayscale(100%);
  transition: var(--transition-smooth);
}

.accolade-item:hover img {
  filter: grayscale(0%);
}

/* Contact Section */
.contact-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-xl);
}

.contact-form {
  padding: var(--spacing-lg);
  border-radius: 16px;
}

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

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--dark);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid transparent;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  font-family: var(--font-body);
  transition: var(--transition-smooth);
  border: 1px solid #222;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.submit-btn {
  width: 100%;
  margin-top: var(--spacing-md);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.contact-item {
  padding: var(--spacing-md);
  background: var(--gray-light);
  border-radius: 12px;
  flex-direction: column;
}

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

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

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

.footer-section h4 {
  color: var(--primary-light);
  margin-bottom: var(--spacing-md);
}

.footer-section ul {
  list-style: none;
}

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

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

.footer-section a:hover {
  color: var(--primary-light);
}

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

.social-links a {
  color: var(--white);
  text-decoration: none;
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid var(--gray-medium);
  border-radius: 6px;
  transition: var(--transition-smooth);
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--gray-medium);
  color: var(--gray-medium);
}

/* Instructor Specific Styles */
.instructor-title {
  color: var(--secondary-orange);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

/* Parallax Effect */
.parallax-bg {
  background-attachment: fixed;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* Additional Pages Styles */
.page-content {
  padding-top: 100px;
  min-height: 80vh;
}

.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
  color: var(--white);
}

.success-content {
  max-width: 600px;
  padding: var(--spacing-xl);
}

.success-content h1 {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

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

/* Responsive Design */
@media (max-width: 768px) {
  .burger-menu {
    display: flex;
  }
  
  .navbar-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border-radius: 0 0 12px 12px;
  }
  
  .navbar-menu.active {
    display: block;
  }
  
  .navbar-nav {
    flex-direction: column;
    padding: var(--spacing-md);
    gap: var(--spacing-sm);
  }
  
  .hero-content h1 {
    font-size: 2.5rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .about-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .contact-content {
    grid-template-columns: 1fr;
  }
  
  .research-content {
    grid-template-columns: 1fr;
  }
  
  .research-stats {
    justify-content: center;
  }
  
  .success-story-card {
    flex-direction: column;
  }
  
  .story-image {
    min-height: 250px;
  }
  
  .testimonial-author {
    flex-direction: column;
    text-align: center;
  }
  
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  h3 { font-size: 1.5rem; }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-xs);
  }
  
  .hero-content h1 {
    font-size: 2rem;
  }
  
  .hero-content p {
    font-size: 1rem;
  }
  
  .instructors-grid,
  .customer-stories-grid,
  .resources-grid {
    grid-template-columns: 1fr;
  }
  
  .process-steps {
    grid-template-columns: 1fr;
  }
  
  .success-slider {
    grid-template-columns: 1fr;
  }
  
  .media-gallery {
    grid-template-columns: 1fr;
  }
  
  .research-stats {
    flex-direction: column;
    gap: var(--spacing-md);
  }
}

/* Animation Classes */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: var(--transition-smooth);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: var(--transition-smooth);
}

.slide-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: var(--transition-smooth);
}

.slide-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--gray-light);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-dark);
}

/* Loading Animation */
@keyframes pulse {
  0% { opacity: 1; }
  50% { opacity: 0.5; }
  100% { opacity: 1; }
}

.loading {
  animation: pulse 2s infinite;
}

/* Focus Styles for Accessibility */
.btn:focus,
.nav-link:focus,
input:focus,
textarea:focus,
select:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Print Styles */
@media print {
  .header,
  .footer,
  .burger-menu {
    display: none !important;
  }
  
  .parallax-bg {
    background-attachment: scroll !important;
  }
  
  .glassmorphism-card,
  .glassmorphism-form {
    background: var(--white) !important;
    border: 1px solid var(--gray-medium) !important;
  }
}