/* CSS Variables for Consistent Theming */
:root {
  /* Primary Colors - Analogous Color Scheme */
  --primary-color: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #3b82f6;
  --secondary-color: #7c3aed;
  --secondary-dark: #6d28d9;
  --secondary-light: #8b5cf6;
  --accent-color: #06b6d4;
  --accent-dark: #0891b2;
  --accent-light: #22d3ee;

  /* Neutral Colors */
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  --black: #000000;

  /* Status Colors */
  --success-color: #10b981;
  --success-dark: #059669;
  --warning-color: #f59e0b;
  --warning-dark: #d97706;
  --danger-color: #ef4444;
  --danger-dark: #dc2626;

  /* Text Colors */
  --text-primary: var(--gray-900);
  --text-secondary: var(--gray-600);
  --text-muted: var(--gray-500);
  --text-light: var(--gray-400);
  --text-on-dark: var(--white);

  /* Background Colors */
  --bg-primary: var(--white);
  --bg-secondary: var(--gray-50);
  --bg-dark: var(--gray-900);
  --bg-overlay: rgba(0, 0, 0, 0.5);
  --bg-overlay-light: rgba(0, 0, 0, 0.3);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--accent-color) 0%, var(--primary-light) 100%);
  --gradient-overlay: linear-gradient(135deg, rgba(37, 99, 235, 0.9) 0%, rgba(124, 58, 237, 0.9) 100%);
  --gradient-hero: linear-gradient(135deg, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0.4) 100%);

  /* Typography */
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Merriweather', serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
}

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

body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

h1, .display-1, .display-2 {
  font-size: var(--font-size-5xl);
}

h2, .display-3, .display-4 {
  font-size: var(--font-size-4xl);
}

h3 {
  font-size: var(--font-size-3xl);
}

h4 {
  font-size: var(--font-size-2xl);
}

h5 {
  font-size: var(--font-size-xl);
}

h6 {
  font-size: var(--font-size-lg);
}

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

.lead {
  font-size: var(--font-size-lg);
  font-weight: 300;
  color: var(--text-secondary);
}

/* Global Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: var(--font-heading);
  font-size: var(--font-size-base);
  font-weight: 600;
  text-decoration: none;
  text-align: center;
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  min-height: 48px;
}

.btn:focus {
  outline: 2px solid var(--primary-light);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--white);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: var(--gradient-secondary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-color);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-md);
}

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

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

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

.btn-outline-light:hover {
  background: var(--white);
  color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-lg);
  min-height: 56px;
}

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-sm);
  min-height: 40px;
}

button, input[type='submit'] {
  font-family: var(--font-heading);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all var(--transition-normal);
}

/* Read More Links */
.read-more {
  display: inline-flex;
  align-items: center;
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all var(--transition-normal);
}

.read-more:hover {
  color: var(--secondary-color);
  text-decoration: none;
  transform: translateX(4px);
}

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

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

/* Header and Navigation */
header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
  z-index: 1000;
}

.navbar-brand {
  font-family: var(--font-heading);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--primary-color) !important;
  text-decoration: none;
}

.navbar-nav .nav-link {
  font-family: var(--font-heading);
  font-weight: 500;
  color: var(--text-primary);
  padding: var(--spacing-xs) var(--spacing-md);
  margin: 0 var(--spacing-xs);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  position: relative;
}

.navbar-nav .nav-link:hover {
  color: var(--primary-color);
  background-color: var(--gray-50);
  transform: translateY(-2px);
}

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

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

/* Hero Section */
.hero-section {
  position: relative;
  background-size: cover !important;
  background-position: center center !important;
  background-repeat: no-repeat !important;
  background-attachment: fixed;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

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

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

.hero-section h1,
.hero-section .display-1,
.hero-section .display-2 {
  color: var(--white) !important;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  margin-bottom: var(--spacing-lg);
}

.hero-section p,
.hero-section .lead {
  color: var(--white) !important;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
  margin-bottom: var(--spacing-xl);
}

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

/* Particle Animation */
.particle-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 50%;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(-100vh) rotate(360deg);
    opacity: 0;
  }
}

/* Animate elements on scroll */
.animate-fade-in {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s ease-out forwards;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Card Styles */
.card {
  border: none;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  overflow: hidden;
  background: var(--white);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

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

.card-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  position: relative;
}

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

.card:hover .card-image img {
  transform: scale(1.1);
}

.card-body {
  padding: var(--spacing-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
}

.card-title {
  color: var(--text-primary);
  font-family: var(--font-heading);
  margin-bottom: var(--spacing-md);
}

.card-text {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

/* Feature Cards */
.feature-card {
  position: relative;
  background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
}

.feature-card:hover::before {
  width: 8px;
}

/* Instructor Cards */
.instructor-card {
  background: var(--white);
  position: relative;
}

.instructor-card .card-image {
  height: auto;
  padding: var(--spacing-lg);
}

.instructor-card .card-image img {
  width: 200px;
  height: 200px;
  border: 4px solid var(--primary-color);
  box-shadow: var(--shadow-lg);
  margin: 0 auto;
}

.instructor-card:hover .card-image img {
  border-color: var(--accent-color);
  transform: scale(1.05);
}

/* Timeline Styles for Our Process */
.timeline-container {
  position: relative;
  padding: var(--spacing-xl) 0;
}

.timeline-container::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--gradient-primary);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-3xl);
  opacity: 0;
  transform: translateY(50px);
  animation: fadeInUp 0.8s ease-out forwards;
}

.timeline-item:nth-child(1) { animation-delay: 0.2s; }
.timeline-item:nth-child(2) { animation-delay: 0.4s; }
.timeline-item:nth-child(3) { animation-delay: 0.6s; }

.timeline-content {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-lg);
  position: relative;
}

.timeline-content::before {
  content: attr(data-step);
  position: absolute;
  left: 50%;
  top: -20px;
  transform: translateX(-50%);
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-family: var(--font-heading);
  box-shadow: var(--shadow-md);
}

.timeline-item:nth-child(even) .timeline-content::before {
  background: var(--gradient-secondary);
}

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

.timeline-content img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

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

/* Testimonial Cards */
.testimonial-card {
  background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: -10px;
  left: var(--spacing-lg);
  font-size: 4rem;
  color: var(--primary-color);
  opacity: 0.3;
  font-family: var(--font-heading);
}

.testimonial-card .card-image {
  height: auto;
  padding: 0;
  margin-bottom: var(--spacing-md);
}

.testimonial-card .card-image img {
  width: 80px;
  height: 80px;
  border: 3px solid var(--accent-color);
  margin: 0 auto;
}

/* Press Cards */
.press-card {
  background: var(--white);
  border-left: 4px solid var(--accent-color);
  transition: all var(--transition-normal);
}

.press-card:hover {
  border-left-color: var(--primary-color);
  transform: translateX(8px);
}

/* Contact Form */
.contact-form {
  background: var(--white);
}

.form-label {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.form-control,
.form-select {
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-base);
  transition: all var(--transition-normal);
  background-color: var(--white);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.25);
  background-color: var(--white);
}

.form-control-lg,
.form-select-lg {
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-lg);
}

.form-check-input {
  border-color: var(--gray-300);
}

.form-check-input:checked {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

/* Footer */
footer {
  background: var(--bg-dark);
  color: var(--text-on-dark);
  position: relative;
}

footer h5,
footer h6 {
  color: var(--white);
  font-family: var(--font-heading);
}

footer a {
  color: var(--gray-300);
  text-decoration: none;
  transition: all var(--transition-normal);
}

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

.social-links a {
  display: inline-block;
  padding: var(--spacing-xs);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
}

.social-links a:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.text-light-50 {
  color: rgba(255, 255, 255, 0.5);
}

.text-light-75 {
  color: rgba(255, 255, 255, 0.75);
}

.border-light-25 {
  border-color: rgba(255, 255, 255, 0.25);
}

/* Utility Classes */
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.bg-gradient-primary {
  background: var(--gradient-primary);
}

.bg-gradient-secondary {
  background: var(--gradient-secondary);
}

.glassmorphism {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Success Page Styles */
.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  text-align: center;
}

.success-page .container {
  color: var(--white);
}

.success-page h1 {
  color: var(--white) !important;
  margin-bottom: var(--spacing-lg);
}

.success-page p {
  color: var(--white) !important;
  margin-bottom: var(--spacing-xl);
}

/* Privacy and Terms Pages */
.privacy-page,
.terms-page {
  padding-top: 100px;
  min-height: 100vh;
}

.privacy-page .container,
.terms-page .container {
  max-width: 800px;
}

.privacy-page h1,
.terms-page h1 {
  margin-bottom: var(--spacing-xl);
  text-align: center;
}

.privacy-page h2,
.terms-page h2 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
  color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 1200px) {
  :root {
    --font-size-5xl: 2.5rem;
    --font-size-4xl: 2rem;
  }
}

@media (max-width: 992px) {
  .timeline-container::before {
    left: 20px;
  }
  
  .timeline-content::before {
    left: -20px;
    transform: translateX(0);
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-buttons .btn {
    width: 100%;
    max-width: 300px;
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2rem;
    --font-size-4xl: 1.75rem;
    --font-size-3xl: 1.5rem;
    --spacing-3xl: 4rem;
    --spacing-2xl: 3rem;
    --spacing-xl: 2rem;
  }
  
  .hero-section {
    background-attachment: scroll;
  }
  
  .card-image {
    height: 200px;
  }
  
  .instructor-card .card-image img {
    width: 150px;
    height: 150px;
  }
  
  .timeline-content {
    margin-left: 40px;
    padding: var(--spacing-lg);
  }
}

@media (max-width: 576px) {
  .hero-section {
    padding: var(--spacing-xl) 0;
  }
  
  .hero-section h1,
  .hero-section .display-1,
  .hero-section .display-2 {
    font-size: var(--font-size-4xl);
  }
  
  .hero-section p,
  .hero-section .lead {
    font-size: var(--font-size-base);
  }
  
  .btn-lg {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
  }
  
  .timeline-content {
    margin-left: 20px;
    padding: var(--spacing-md);
  }
  
  .timeline-content::before {
    left: -10px;
    width: 30px;
    height: 30px;
    font-size: var(--font-size-sm);
  }
}

/* Print Styles */
@media print {
  .hero-section {
    background: none !important;
    color: var(--text-primary) !important;
  }
  
  .hero-section h1,
  .hero-section p {
    color: var(--text-primary) !important;
  }
  
  .btn {
    display: none;
  }
  
  .particle-container {
    display: none;
  }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  :root {
    --primary-color: #0000ff;
    --text-primary: #000000;
    --bg-primary: #ffffff;
  }
  
  .card {
    border: 2px solid var(--text-primary);
  }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .particle {
    display: none;
  }
}

/* Loading States */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  border: 2px solid var(--primary-color);
  border-top: 2px solid transparent;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  transform: translate(-50%, -50%);
}

@keyframes spin {
  0% { transform: translate(-50%, -50%) rotate(0deg); }
  100% { transform: translate(-50%, -50%) rotate(360deg); }
}