/* BrainHaven - Custom Styles */
@import url('https://fonts.googleapis.com/css2?family=Roboto+Mono:wght@300;400;500;600;700&display=swap');

:root {
  /* Colors */
  --accent-color: #d0ff03;
  --accent-hover: #bde60c;
  --bg-dark: #242424;
  --bg-darker: #111a24;
  --bg-light: #eaeaea;
  --bg-white: #ffffff;
  --text-light: #ffffff;
  --text-dark: #242424;
  --border-color: rgba(208, 255, 3, 0.3);
  --shadow-color: rgba(0, 0, 0, 0.1);
  
  /* Typography */
  --font-family: "Roboto Mono", monospace;
  
  /* Spacing */
  --section-padding: 80px 0;
  --container-padding: 20px;
  
  /* Border radius */
  --border-radius: 12px;
  --border-radius-sm: 8px;
  
  /* Shadows */
  --shadow-light: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-medium: 0 8px 30px rgba(0, 0, 0, 0.12);
  --shadow-heavy: 0 15px 40px rgba(0, 0, 0, 0.15);
}

/* Global Styles */
* {
  font-family: var(--font-family);
}

body {
  background-color: var(--bg-dark);
  color: var(--text-light);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }

@media (max-width: 768px) {
  h1 { font-size: 2.2rem; }
  h2 { font-size: 1.8rem; }
  h3 { font-size: 1.5rem; }
}

/* Header Styles */
.navbar {
  background-color: var(--bg-darker) !important;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 0;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
}

.navbar-brand {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent-color) !important;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.navbar-nav .nav-link {
  color: var(--text-light) !important;
  font-weight: 500;
  margin: 0 1rem;
  transition: all 0.3s ease;
  position: relative;
}

.navbar-nav .nav-link:hover {
  color: var(--accent-color) !important;
  transform: translateY(-2px);
}

.navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 50%;
  background-color: var(--accent-color);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

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

/* Main Content Offset */
main {
  margin-top: 80px;
}

/* Button Styles */
.btn-accent {
  background-color: var(--accent-color);
  color: var(--text-dark);
  border: none;
  padding: 12px 30px;
  font-weight: 600;
  border-radius: var(--border-radius-sm);
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
  box-shadow: var(--shadow-light);
}

.btn-accent:hover {
  background-color: var(--accent-hover);
  color: var(--text-dark);
  transform: translateY(-3px);
  box-shadow: var(--shadow-medium);
}

.btn-outline-accent {
  border: 2px solid var(--accent-color);
  color: var(--accent-color);
  background: transparent;
  padding: 10px 28px;
  font-weight: 600;
  border-radius: var(--border-radius-sm);
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.btn-outline-accent:hover {
  background-color: var(--accent-color);
  color: var(--text-dark);
  transform: translateY(-2px);
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, var(--bg-darker) 0%, var(--bg-dark) 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('img/hero-bg.webp') center/cover;
  opacity: 0.1;
  z-index: 1;
}

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

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 2rem;
  background: linear-gradient(45deg, var(--text-light), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.2rem;
  margin-bottom: 2.5rem;
  opacity: 0.9;
  line-height: 1.8;
}

/* Card Styles */
.custom-card {
  background-color: var(--bg-darker);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 2rem;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-light);
  height: 100%;
}

.custom-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-heavy);
  border-color: var(--accent-color);
}

.custom-card.accent-bg {
  background-color: var(--accent-color);
  color: var(--text-dark);
}

.custom-card.light-bg {
  background-color: var(--bg-light);
  color: var(--text-dark);
}

.custom-card.white-bg {
  background-color: var(--bg-white);
  color: var(--text-dark);
}

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

.section-dark {
  background-color: var(--bg-darker);
}

.section-accent {
  background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-hover) 100%);
  color: var(--text-dark);
}

.section-light {
  background-color: var(--bg-light);
  color: var(--text-dark);
}

/* Geometric Decorations */
.geometric-bg {
  position: relative;
  overflow: hidden;
}

.geometric-bg::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: 
    linear-gradient(45deg, transparent 40%, var(--accent-color) 41%, var(--accent-color) 42%, transparent 43%),
    linear-gradient(-45deg, transparent 40%, rgba(208, 255, 3, 0.1) 41%, rgba(208, 255, 3, 0.1) 42%, transparent 43%);
  animation: geometricMove 20s linear infinite;
  z-index: 1;
}

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

.geometric-bg .container {
  position: relative;
  z-index: 2;
}

/* Image Styles */
.img-rounded {
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-medium);
  transition: all 0.3s ease;
}

.img-rounded:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-heavy);
}

/* Form Styles */
.form-control {
  background-color: var(--bg-darker);
  border: 2px solid var(--border-color);
  color: var(--text-light);
  border-radius: var(--border-radius-sm);
  padding: 12px 16px;
  font-family: var(--font-family);
  transition: all 0.3s ease;
}

.form-control:focus {
  background-color: var(--bg-darker);
  border-color: var(--accent-color);
  color: var(--text-light);
  box-shadow: 0 0 0 0.2rem rgba(208, 255, 3, 0.25);
}

.form-control::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

/* Footer Styles */
.footer {
  background-color: var(--bg-darker);
  border-top: 1px solid var(--border-color);
  padding: 3rem 0 2rem;
  margin-top: 4rem;
}

.footer h5 {
  color: var(--accent-color);
  margin-bottom: 1.5rem;
}

.footer a {
  color: var(--text-light);
  text-decoration: none;
  transition: all 0.3s ease;
}

.footer a:hover {
  color: var(--accent-color);
  transform: translateX(5px);
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--bg-darker);
  border-top: 2px solid var(--accent-color);
  padding: 1.5rem;
  z-index: 1050;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.cookie-banner.show {
  transform: translateY(0);
}

/* Scroll to Top Button */
.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background-color: var(--accent-color);
  color: var(--text-dark);
  border: none;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: all 0.3s ease;
  opacity: 0;
  visibility: hidden;
  z-index: 1000;
}

.scroll-top.show {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  background-color: var(--accent-hover);
  transform: translateY(-3px);
}

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

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .hero-title {
    margin-top: 2rem;
    font-size: 2rem;
  }
  
  .custom-card {
    padding: 1.5rem;
    margin-bottom: 1.5rem;
  }
  
  .section {
    padding: 60px 0;
  }
  
  .navbar-brand {
    font-size: 1.5rem;
  }
}

/* Quiz Styles */
.quiz-container {
  background-color: var(--bg-darker);
  border-radius: var(--border-radius);
  padding: 2rem;
  margin: 2rem 0;
}

.quiz-question {
  margin-bottom: 2rem;
}

.quiz-options {
  display: grid;
  gap: 1rem;
}

.quiz-option {
  background-color: var(--bg-dark);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  padding: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.quiz-option:hover {
  border-color: var(--accent-color);
  background-color: rgba(208, 255, 3, 0.1);
}

.quiz-option.selected {
  border-color: var(--accent-color);
  background-color: var(--accent-color);
  color: var(--text-dark);
}

/* Testimonial Styles */
.testimonial-card {
  background-color: var(--bg-white);
  color: var(--text-dark);
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow-medium);
  position: relative;
  margin: 1rem 0;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: -10px;
  left: 20px;
  font-size: 4rem;
  color: var(--accent-color);
  font-weight: bold;
}

/* Course Card Styles */
.course-card {
  background-color: var(--bg-white);
  color: var(--text-dark);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-light);
  transition: all 0.3s ease;
  height: 100%;
}

.course-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-heavy);
}

.course-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.course-card-body {
  padding: 1.5rem;
}

.course-level {
  background-color: var(--accent-color);
  color: var(--text-dark);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  display: inline-block;
  margin-bottom: 1rem;
}

/* Challenge Styles */
.challenge-card {
  background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-hover) 100%);
  color: var(--text-dark);
  border-radius: var(--border-radius);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow-medium);
}

/* Method Cards */
.method-card {
  background-color: var(--bg-darker);
  border-radius: var(--border-radius-sm);
  padding: 1.5rem;
  margin-bottom: 1rem;
  transition: all 0.3s ease;
}

.method-card:hover {
  background-color: rgba(208, 255, 3, 0.05);
  transform: translateX(5px);
}

/* Contact Form */
.contact-form {
  background-color: var(--bg-darker);
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow-medium);
}

/* Map Container */
.map-container {
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-medium);
}

.map-container iframe {
  width: 100%;
  height: 400px;
  border: none;
}

/* Utility Classes */
.text-accent { color: var(--accent-color) !important; }
.bg-accent { background-color: var(--accent-color) !important; }
.border-accent { border-color: var(--accent-color) !important; }

.text-shadow {
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hover-lift {
  transition: transform 0.3s ease;
}

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