/* CSS Variables for Split-Complementary Color Scheme with Neo-Brutalism */
:root {
  /* Primary Colors (Split-Complementary) */
  --primary-color: #ff6b35; /* Orange-Red */
  --secondary-color: #35ff9b; /* Green */
  --tertiary-color: #3b82f6; /* Blue */
  
  /* Background Colors */
  --bg-primary: #0f0f23; /* Dark navy */
  --bg-secondary: #1a1a2e; /* Slightly lighter navy */
  --bg-accent: #16213e; /* Blue-grey */
  --bg-light: #f8fafc;
  --bg-white: #ffffff;
  
  /* Text Colors */
  --text-primary: #ffffff;
  --text-secondary: #cbd5e1;
  --text-accent: #94a3b8;
  --text-dark: #0f172a;
  --text-muted: #64748b;
  
  /* Accent Colors */
  --accent-pink: #ec4899;
  --accent-yellow: #fbbf24;
  --accent-purple: #8b5cf6;
  --accent-cyan: #06b6d4;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--accent-pink));
  --gradient-secondary: linear-gradient(135deg, var(--secondary-color), var(--tertiary-color));
  --gradient-dark: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary));
  --gradient-overlay: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.5));
  
  /* Shadows and Effects */
  --shadow-brutal: 8px 8px 0px var(--primary-color);
  --shadow-soft: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-card: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --border-brutal: 3px solid var(--text-primary);
  
  /* Typography */
  --font-primary: 'Inter', sans-serif;
  --font-secondary: 'IBM Plex Sans', sans-serif;
  
  /* Spacing */
  --section-padding: 5rem 0;
  --container-padding: 1rem;
  --card-padding: 2rem;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-smooth: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-secondary);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

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

/* Section Styles */
.section {
  padding: var(--section-padding);
  position: relative;
}

.section:nth-child(even) {
  background: var(--bg-secondary);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

/* Global Button Styles */
.btn, button, input[type='submit'] {
  display: inline-block;
  padding: 1rem 2rem;
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 1.1rem;
  text-decoration: none;
  border: var(--border-brutal);
  background: var(--primary-color);
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition-smooth);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: var(--shadow-brutal);
  position: relative;
  overflow: hidden;
}

.btn:hover, button:hover, input[type='submit']:hover {
  transform: translate(-4px, -4px);
  box-shadow: 12px 12px 0px var(--primary-color);
  background: var(--secondary-color);
  color: var(--text-dark);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--secondary-color);
  box-shadow: 8px 8px 0px var(--secondary-color);
}

.btn-secondary:hover {
  background: var(--secondary-color);
  color: var(--text-dark);
}

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

.btn-full {
  width: 100%;
  text-align: center;
}

/* Link Styles */
.btn-link {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 2px solid var(--primary-color);
  padding-bottom: 2px;
  transition: var(--transition-smooth);
}

.btn-link:hover {
  color: var(--secondary-color);
  border-bottom-color: var(--secondary-color);
  transform: translateY(-2px);
}

/* Cards */
.card {
  background: var(--bg-white);
  border: var(--border-brutal);
  box-shadow: var(--shadow-card);
  padding: var(--card-padding);
  color: var(--text-dark);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
}

.card:hover {
  transform: translate(-4px, -4px);
  box-shadow: 12px 12px 0px var(--primary-color);
}

.card-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
  margin-bottom: 1.5rem;
  border: 3px solid var(--text-dark);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

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

.card-content {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--bg-primary);
  border-bottom: 3px solid var(--primary-color);
  backdrop-filter: blur(10px);
}

.navbar {
  padding: 1rem 0;
}

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

.logo {
  font-family: var(--font-primary);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--primary-color);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.navbar-nav {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 2rem;
}

.nav-link {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
  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%;
}

.navbar-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
}

.navbar-toggle span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  margin: 3px 0;
  transition: var(--transition-smooth);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: -2;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-overlay);
  z-index: -1;
}

.hero-content {
  text-align: center;
  max-width: 800px;
  z-index: 1;
  color: var(--text-primary);
}

.hero-title {
  font-size: clamp(3rem, 6vw, 5rem);
  margin-bottom: 1.5rem;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
  color: var(--text-primary);
}

.hero-subtitle {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Particles Animation */
.particles-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
}

.particles-container::before,
.particles-container::after {
  content: '';
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--primary-color);
  border-radius: 50%;
  animation: float 6s ease-in-out infinite;
}

.particles-container::before {
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.particles-container::after {
  top: 60%;
  right: 20%;
  animation-delay: 3s;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
    opacity: 0.5;
  }
  50% {
    transform: translateY(-20px) rotate(180deg);
    opacity: 1;
  }
}

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
}

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

.section-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border: var(--border-brutal);
  box-shadow: var(--shadow-brutal);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

.stat-item {
  text-align: center;
  padding: 1rem;
  border: 3px solid var(--primary-color);
  background: var(--bg-accent);
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary-color);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-transform: uppercase;
}

/* Case Studies */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.case-card .card-image {
  height: 200px;
}

/* Instructors */
.instructors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.instructor-card .card-image {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  margin-bottom: 1rem;
}

.instructor-card .card-image img {
  border-radius: 50%;
}

.instructor-role {
  color: var(--primary-color);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.instructor-contact {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 2px solid var(--primary-color);
}

.instructor-contact p {
  margin: 0.5rem 0;
  font-size: 0.9rem;
}

/* Projects */
.projects-slider {
  position: relative;
}

.slider-container {
  overflow: hidden;
  border: var(--border-brutal);
}

.slider-track {
  display: flex;
  transition: transform var(--transition-smooth);
}

.slide {
  min-width: 100%;
}

.project-card .card-image {
  height: 300px;
}

.project-tags {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.tag {
  background: var(--primary-color);
  color: var(--text-primary);
  padding: 0.3rem 0.8rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  font-weight: 600;
  border: 2px solid var(--text-dark);
}

.slider-controls {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}

.slider-btn {
  width: 50px;
  height: 50px;
  border: var(--border-brutal);
  background: var(--primary-color);
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.slider-btn:hover {
  background: var(--secondary-color);
  color: var(--text-dark);
  transform: scale(1.1);
}

/* Resources */
.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.resource-item {
  background: var(--bg-accent);
  padding: 2rem;
  border: var(--border-brutal);
  box-shadow: var(--shadow-card);
  transition: var(--transition-smooth);
  text-align: center;
}

.resource-item:hover {
  transform: translate(-4px, -4px);
  box-shadow: 12px 12px 0px var(--secondary-color);
}

.resource-item h3 a {
  color: var(--primary-color);
  text-decoration: none;
  font-size: 1.2rem;
}

.resource-item h3 a:hover {
  color: var(--secondary-color);
}

/* Events */
.events-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.event-card {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  text-align: left;
}

.event-date {
  background: var(--primary-color);
  padding: 1rem;
  text-align: center;
  min-width: 80px;
  margin-right: 1.5rem;
  border: 3px solid var(--text-dark);
}

.event-date .month {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
}

.event-date .day {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-primary);
}

.event-content {
  flex: 1;
}

.event-location {
  color: var(--secondary-color);
  font-weight: 600;
  margin-bottom: 1rem;
}

/* FAQ */
.faq-accordion {
  max-width: 800px;
  margin: 0 auto;
}

.accordion-item {
  border: var(--border-brutal);
  margin-bottom: 1rem;
  background: var(--bg-white);
}

.accordion-header {
  width: 100%;
  padding: 1.5rem;
  background: none;
  border: none;
  text-align: left;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition-smooth);
}

.accordion-header:hover {
  background: var(--primary-color);
  color: var(--text-primary);
}

.accordion-icon {
  font-size: 1.5rem;
  font-weight: bold;
  transition: var(--transition-smooth);
}

.accordion-item.active .accordion-icon {
  transform: rotate(45deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-smooth);
}

.accordion-item.active .accordion-content {
  max-height: 500px;
}

.accordion-content p {
  padding: 1.5rem;
  color: var(--text-dark);
  margin: 0;
}

/* Contact */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-item h3 {
  color: var(--primary-color);
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
}

.contact-form {
  background: var(--bg-white);
  padding: 2rem;
  border: var(--border-brutal);
  box-shadow: var(--shadow-card);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  border: 3px solid var(--text-dark);
  background: var(--bg-light);
  font-family: var(--font-secondary);
  font-size: 1rem;
  transition: var(--transition-smooth);
}

.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(255, 107, 53, 0.1);
}

/* Footer */
.footer {
  background: var(--bg-primary);
  border-top: 3px solid var(--primary-color);
  padding: 3rem 0 1rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.footer-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

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

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

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.9rem;
  padding: 0.5rem 1rem;
  border: 2px solid var(--text-secondary);
  transition: var(--transition-smooth);
}

.social-links a:hover {
  color: var(--primary-color);
  border-color: var(--primary-color);
  transform: translateY(-2px);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 2px solid var(--bg-secondary);
  text-align: center;
}

.footer-bottom p {
  color: var(--text-accent);
  margin: 0;
}

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

.success-content {
  max-width: 600px;
  padding: 3rem;
  background: var(--bg-white);
  color: var(--text-dark);
  border: var(--border-brutal);
  box-shadow: var(--shadow-brutal);
}

/* Privacy and Terms Pages */
.legal-page {
  padding-top: 120px;
  padding-bottom: 3rem;
}

.legal-content {
  max-width: 800px;
  margin: 0 auto;
  background: var(--bg-white);
  padding: 3rem;
  border: var(--border-brutal);
  box-shadow: var(--shadow-card);
  color: var(--text-dark);
}

.legal-content h2 {
  color: var(--primary-color);
  margin-top: 2rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  :root {
    --section-padding: 3rem 0;
    --card-padding: 1.5rem;
  }

  .navbar-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: var(--bg-primary);
    border-bottom: 3px solid var(--primary-color);
    z-index: 999;
  }

  .navbar-menu.active {
    display: block;
  }

  .navbar-nav {
    flex-direction: column;
    padding: 1rem;
    gap: 1rem;
  }

  .navbar-toggle {
    display: flex;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .contact-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .social-links {
    justify-content: center;
  }

  .event-card {
    flex-direction: column;
    text-align: center;
  }

  .event-date {
    margin-right: 0;
    margin-bottom: 1rem;
  }

  .cases-grid,
  .instructors-grid,
  .resources-grid,
  .events-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .section-title {
    font-size: 1.8rem;
  }
  
  .btn, button, input[type='submit'] {
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
  }
  
  .card-padding {
    --card-padding: 1rem;
  }
}

/* Animation Classes */
.fade-in {
  opacity: 0;
  animation: fadeIn 1s ease forwards;
}

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

.slide-up {
  transform: translateY(30px);
  opacity: 0;
  animation: slideUp 0.8s ease forwards;
}

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

/* Utility Classes */
.text-center {
  text-align: center;
}

.text-primary {
  color: var(--primary-color);
}

.text-secondary {
  color: var(--secondary-color);
}

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

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

.mb-2 {
  margin-bottom: 1rem;
}

.mt-2 {
  margin-top: 1rem;
}

.p-2 {
  padding: 1rem;
}

/* Neo-Brutalism Special Effects */
.brutal-border {
  border: var(--border-brutal);
  box-shadow: var(--shadow-brutal);
}

.brutal-hover {
  transition: var(--transition-smooth);
}

.brutal-hover:hover {
  transform: translate(-4px, -4px);
  box-shadow: 12px 12px 0px var(--primary-color);
}

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

/* Loading Animation */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid var(--text-secondary);
  border-top: 3px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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