/* CSS Variables - Complementary Color Scheme */
:root {
  /* Primary Colors - Blue/Orange Complementary */
  --primary-color: #2563eb;
  --primary-light: #3b82f6;
  --primary-dark: #1d4ed8;
  --secondary-color: #ea580c;
  --secondary-light: #f97316;
  --secondary-dark: #c2410c;
  
  /* Accent Colors */
  --accent-blue: #0ea5e9;
  --accent-orange: #fb923c;
  --accent-teal: #14b8a6;
  --accent-amber: #f59e0b;
  
  /* 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;
  
  /* Gradient Backgrounds */
  --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-blue) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--secondary-color) 0%, var(--accent-orange) 100%);
  --gradient-hero: linear-gradient(135deg, rgba(37, 99, 235, 0.9) 0%, rgba(14, 165, 233, 0.8) 100%);
  --gradient-overlay: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.3));
  
  /* Typography */
  --font-heading: 'Archivo Black', sans-serif;
  --font-body: 'Roboto', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* 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);
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Transitions */
  --transition-fast: 0.2s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  line-height: 1.6;
  color: var(--gray-800);
  background-color: var(--white);
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.2;
  color: var(--gray-900);
  margin-bottom: var(--spacing-md);
}

.display-1, .display-2, .display-3, .display-4 {
  font-family: var(--font-heading);
  font-weight: 400;
}

.lead {
  font-size: 1.125rem;
  font-weight: 300;
  line-height: 1.7;
  color: var(--gray-600);
}

/* Global Button Styles */
.btn {
  font-family: var(--font-body);
  font-weight: 500;
  border-radius: var(--radius-md);
  padding: 0.75rem 1.5rem;
  transition: all var(--transition-normal);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.875rem;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left var(--transition-slow);
}

.btn:hover::before {
  left: 100%;
}

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

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

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

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
  color: var(--white);
}

.btn-outline-primary {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid 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: 2px solid var(--white);
}

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

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
}

/* Navigation */
.navbar {
  backdrop-filter: blur(10px);
  background-color: rgba(255, 255, 255, 0.95) !important;
  transition: all var(--transition-normal);
  z-index: 1000;
}

.navbar-scrolled {
  background-color: var(--white) !important;
  box-shadow: var(--shadow-md);
}

.navbar-brand {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--primary-color) !important;
  text-decoration: none;
}

.navbar-nav .nav-link {
  font-weight: 500;
  color: var(--gray-700) !important;
  margin: 0 var(--spacing-xs);
  padding: 0.5rem 1rem !important;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  position: relative;
}

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

.navbar-nav .nav-link:hover::after {
  width: 100%;
  left: 0;
}

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

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

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

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

.hero-title {
  font-family: var(--font-heading);
  color: var(--white) !important;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
  color: var(--white) !important;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
  animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-buttons {
  animation: fadeInUp 1s ease-out 0.4s both;
}

/* Section Styles */
section {
  position: relative;
  padding: var(--spacing-2xl) 0;
}

.section-title {
  font-family: var(--font-heading);
  color: var(--gray-900);
  text-align: center;
  position: relative;
  margin-bottom: var(--spacing-lg);
}

.section-title::after {
  content: '';
  position: absolute;
  width: 80px;
  height: 4px;
  background: var(--gradient-primary);
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  border-radius: var(--radius-sm);
}

.section-subtitle {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--spacing-xl);
  color: var(--gray-600);
}

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

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.card-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
  margin: 0 auto;
}

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

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

.card-title {
  font-family: var(--font-heading);
  color: var(--gray-900);
  margin-bottom: var(--spacing-md);
}

.card-text {
  color: var(--gray-600);
  line-height: 1.6;
  margin-bottom: auto;
}

/* Portfolio Slider */
.portfolio-slider {
  margin: var(--spacing-xl) 0;
}

.slider-container {
  position: relative;
}

.slider-track {
  gap: var(--spacing-lg);
  transition: transform var(--transition-normal);
}

.slide {
  min-width: 350px;
}

.slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: var(--white);
  border: none;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--primary-color);
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
  z-index: 10;
}

.slider-btn:hover {
  background: var(--primary-color);
  color: var(--white);
  transform: translateY(-50%) scale(1.1);
}

.slider-prev {
  left: -25px;
}

.slider-next {
  right: -25px;
}

/* Instructor Cards */
.card img.rounded-circle {
  width: 200px;
  height: 200px;
  object-fit: cover;
  border: 4px solid var(--white);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
  margin: 0 auto;
}

.card:hover img.rounded-circle {
  transform: scale(1.05);
  border-color: var(--primary-color);
}

/* Accordion Styles */
.accordion-item {
  border-radius: var(--radius-lg) !important;
  margin-bottom: var(--spacing-md);
  overflow: hidden;
}

.accordion-button {
  font-weight: 500;
  background: var(--gray-50);
  border: none;
  padding: var(--spacing-lg);
  color: var(--gray-800);
}

.accordion-button:not(.collapsed) {
  background: var(--gradient-primary);
  color: var(--white);
}

.accordion-button:focus {
  box-shadow: none;
  border-color: transparent;
}

.accordion-body {
  padding: var(--spacing-lg);
  background: var(--white);
}

/* Community Stats */
.community-stat {
  padding: var(--spacing-lg);
  text-align: center;
}

.community-stat h3 {
  color: var(--primary-color);
  font-family: var(--font-heading);
  margin-bottom: var(--spacing-sm);
}

/* Contact Form */
.contact-form {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-xl);
  border: 1px solid var(--gray-200);
}

.form-label {
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: var(--spacing-xs);
}

.form-control,
.form-select {
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  transition: all var(--transition-normal);
  background: 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);
}

/* Footer */
.bg-dark {
  background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%) !important;
}

.text-light-50 {
  color: rgba(255, 255, 255, 0.7) !important;
}

.text-light-75 {
  color: rgba(255, 255, 255, 0.85) !important;
}

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

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

footer a:hover {
  color: var(--accent-blue) !important;
  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: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

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

.success-content {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-xl);
  max-width: 600px;
  width: 100%;
  margin: 0 var(--spacing-md);
}

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

.privacy-content,
.terms-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-xl);
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

/* Scroll-dependent animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.6s ease-out;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

.animate-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: all 0.6s ease-out;
}

.animate-left.animated {
  opacity: 1;
  transform: translateX(0);
}

.animate-right {
  opacity: 0;
  transform: translateX(50px);
  transition: all 0.6s ease-out;
}

.animate-right.animated {
  opacity: 1;
  transform: translateX(0);
}

/* Glassmorphism Effects */
.glass-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-xl);
}

/* Asymmetric Balance Elements */
.asymmetric-left {
  padding-left: 10%;
  padding-right: 5%;
}

.asymmetric-right {
  padding-left: 5%;
  padding-right: 10%;
}

/* Image Containers */
.image-container {
  overflow: hidden;
  border-radius: var(--radius-lg);
  position: relative;
}

.image-container img {
  transition: transform var(--transition-slow);
  width: 100%;
  height: auto;
}

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

/* Read More Links */
.read-more {
  color: var(--primary-color);
  font-weight: 500;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  transition: all var(--transition-normal);
  position: relative;
}

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

.read-more:hover {
  color: var(--primary-dark);
  text-decoration: none;
}

.read-more:hover::after {
  transform: translateX(4px);
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-section {
    min-height: 100vh;
    padding: var(--spacing-xl) 0;
  }
  
  .hero-title {
    font-size: 2.5rem !important;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .hero-buttons .btn {
    width: 100%;
    max-width: 300px;
  }
  
  .slider-btn {
    display: none;
  }
  
  .slide {
    min-width: 300px;
  }
  
  section {
    padding: var(--spacing-xl) 0;
  }
  
  .asymmetric-left,
  .asymmetric-right {
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
  }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 2rem !important;
  }
  
  .display-4 {
    font-size: 1.75rem;
  }
  
  .card-image {
    height: 200px;
  }
  
  .slide {
    min-width: 280px;
  }
}

/* Utility Classes */
.bg-gradient-primary {
  background: var(--gradient-primary);
}

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

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

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

.border-gradient {
  border: 2px solid;
  border-image: var(--gradient-primary) 1;
}

.hover-lift {
  transition: transform var(--transition-normal);
}

.hover-lift:hover {
  transform: translateY(-4px);
}

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

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

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid var(--primary-color);
  border-radius: 50%;
  border-top-color: transparent;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}