/* Main CSS for Tachyon Heavy Industries Cybersecurity Training */
:root {
  --primary-color: #00b4ff;
  --secondary-color: #0080ff;
  --accent-color: #ff5500;
  --background-color: #0a0e17;
  --card-background: rgba(15, 25, 40, 0.8);
  --text-color: #e0e0e0;
  --header-color: #ffffff;
  --nav-hover: #00d4ff;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Roboto', sans-serif;
  background-color: var(--background-color);
  color: var(--text-color);
  line-height: 1.6;
  background-image: url('../images/space-background.jpg');
  background-attachment: fixed;
  background-size: cover;
  background-position: center;
}

/* Progress bar */
.progress-container {
  position: fixed;
  top: 0;
  width: 100%;
  height: 4px;
  z-index: 1000;
}

.progress-bar {
  height: 4px;
  background: linear-gradient(to right, var(--primary-color), var(--accent-color));
  width: 0%;
}

/* Header */
header {
  background-color: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  color: var(--primary-color);
  font-size: 1.5rem;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 1px;
}

nav ul {
  display: flex;
  list-style: none;
}

nav ul li {
  margin-left: 1.5rem;
}

nav ul li a {
  color: var(--text-color);
  text-decoration: none;
  font-size: 1rem;
  transition: color 0.3s;
  position: relative;
}

nav ul li a:hover {
  color: var(--nav-hover);
}

nav ul li a.active {
  color: var(--primary-color);
}

nav ul li a.active::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary-color);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-color);
  font-size: 1rem;
  cursor: pointer;
}

/* Container */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.content-container {
  display: flex;
  margin-top: 2rem;
  margin-bottom: 4rem;
}

/* Hero section */
.hero {
  text-align: center;
  padding: 6rem 0;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.4));
  margin-bottom: 2rem;
}

.hero h1 {
  font-size: 3.5rem;
  color: var(--header-color);
  margin-bottom: 0.5rem;
  text-shadow: 0 0 10px rgba(0, 180, 255, 0.5);
}

.hero h2 {
  font-size: 1.8rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.hero p {
  font-size: 1.2rem;
  max-width: 800px;
  margin: 0 auto 2rem;
}

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

/* Sidebar */
.sidebar {
  width: 250px;
  background-color: var(--card-background);
  border-radius: 8px;
  padding: 1.5rem;
  margin-right: 2rem;
  height: fit-content;
  position: sticky;
  top: 100px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.sidebar-title {
  color: var(--primary-color);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-nav ul {
  list-style: none;
}

.sidebar-nav ul li {
  margin-bottom: 0.5rem;
}

.sidebar-nav ul li a {
  color: var(--text-color);
  text-decoration: none;
  display: block;
  padding: 0.5rem;
  border-radius: 4px;
  transition: all 0.3s;
}

.sidebar-nav ul li a:hover {
  background-color: rgba(0, 180, 255, 0.1);
  color: var(--primary-color);
}

.sidebar-nav ul li a.active {
  background-color: rgba(0, 180, 255, 0.2);
  color: var(--primary-color);
  border-left: 3px solid var(--primary-color);
}

/* Main content */
.main-content {
  flex: 1;
  background-color: var(--card-background);
  border-radius: 8px;
  padding: 2rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.main-content.full-width {
  width: 100%;
}

/* Markdown content styling */
.markdown-content h1 {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  border-bottom: 2px solid var(--primary-color);
  padding-bottom: 0.5rem;
}

.markdown-content h2 {
  font-size: 2rem;
  color: var(--primary-color);
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.markdown-content h3 {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

.markdown-content h4 {
  font-size: 1.25rem;
  color: var(--primary-color);
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
}

.markdown-content p {
  margin-bottom: 1rem;
  line-height: 1.7;
}

.markdown-content ul, .markdown-content ol {
  margin-bottom: 1rem;
  padding-left: 2rem;
}

.markdown-content li {
  margin-bottom: 0.5rem;
}

.markdown-content blockquote {
  border-left: 4px solid var(--primary-color);
  padding-left: 1rem;
  margin-left: 0;
  margin-right: 0;
  margin-bottom: 1rem;
  font-style: italic;
  color: #b0b0b0;
}

.markdown-content code {
  font-family: 'Roboto Mono', monospace;
  background-color: rgba(0, 0, 0, 0.3);
  padding: 0.2rem 0.4rem;
  border-radius: 3px;
  font-size: 0.9rem;
}

.markdown-content pre {
  background-color: rgba(0, 0, 0, 0.3);
  padding: 1rem;
  border-radius: 5px;
  overflow-x: auto;
  margin-bottom: 1rem;
}

.markdown-content pre code {
  background-color: transparent;
  padding: 0;
}

.markdown-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1rem;
}

.markdown-content table th {
  background-color: rgba(0, 180, 255, 0.2);
  padding: 0.75rem;
  text-align: left;
  border-bottom: 2px solid var(--primary-color);
}

.markdown-content table td {
  padding: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.markdown-content table tr:nth-child(even) {
  background-color: rgba(0, 0, 0, 0.2);
}

.markdown-content img {
  max-width: 100%;
  height: auto;
  border-radius: 5px;
  margin: 1rem 0;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.markdown-content a {
  color: var(--primary-color);
  text-decoration: none;
  transition: all 0.3s;
}

.markdown-content a:hover {
  color: var(--nav-hover);
  border-bottom: 1px solid var(--nav-hover);
}

.markdown-content hr {
  border: 0;
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  margin: 2rem 0;
}

/* Cards */
.card-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.card {
  background-color: rgba(15, 25, 40, 0.7);
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

.card-content {
  padding: 1.5rem;
}

.card-title {
  color: var(--primary-color);
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
}

.card-text {
  margin-bottom: 1.5rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s;
  cursor: pointer;
  font-size: 1rem;
}

.btn-primary {
  background-color: var(--primary-color);
  color: #000;
}

.btn-primary:hover {
  background-color: var(--nav-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 180, 255, 0.3);
}

.btn-outline {
  background-color: transparent;
  color: var(--primary-color);
  border: 1px solid var(--primary-color);
}

.btn-outline:hover {
  background-color: rgba(0, 180, 255, 0.1);
  transform: translateY(-2px);
}

/* Navigation links */
.navigation-links {
  display: flex;
  justify-content: space-between;
  margin-top: 3rem;
  padding-top: 1.5rem;
  color: #000;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Sections */
.intro-section, .training-section {
  margin-bottom: 3rem;
}

.training-preview {
  display: flex;
  gap: 2rem;
  margin-top: 2rem;
  align-items: center;
}

.training-image {
  flex: 1;
}

.training-placeholder {
  background-color: rgba(0, 180, 255, 0.1);
  height: 250px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);

}

.training-description {
  flex: 1;
}

/* Footer */
footer {
  background-color: rgba(0, 0, 0, 0.8);
  padding: 3rem 0;
  margin-top: 4rem;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.footer-logo {
  color: var(--primary-color);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.footer-nav ul {
  display: flex;
  list-style: none;
  margin-bottom: 1.5rem;
}

.footer-nav ul li {
  margin: 0 1rem;
}

.footer-nav ul li a {
  color: var(--text-color);
  text-decoration: none;
  transition: color 0.3s;
}

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

.social-links {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--text-color);
  text-decoration: none;
  transition: all 0.3s;
}

.social-links a:hover {
  background-color: var(--primary-color);
  color: #000;
  transform: translateY(-3px);
}

.copyright {
  color: #888;
  text-align: center;
}

/* Animations */
.fade-in {
  animation: fadeIn 0.8s ease-in-out forwards;
}

.delay-1 {
  animation-delay: 0.2s;
}

.delay-2 {
  animation-delay: 0.4s;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive */
@media (max-width: 992px) {
  .content-container {
    flex-direction: column;
  }
  
  .sidebar {
    width: 100%;
    margin-right: 0;
    margin-bottom: 2rem;
    position: static;
  }
  
  .training-preview {
    flex-direction: column;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }
  
  nav {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    clip-path: circle(0% at top right);
    transition: clip-path 0.5s;
  }
  
  nav.active {
    clip-path: circle(150% at top right);
  }
  
  nav ul {
    flex-direction: column;
    padding: 1rem;
  }
  
  nav ul li {
    margin: 0.5rem 0;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero h2 {
    font-size: 1.5rem;
  }
  
  .card-container {
    grid-template-columns: 1fr;
  }
  
  .footer-nav ul {
    flex-direction: column;
    align-items: center;
  }
  
  .footer-nav ul li {
    margin: 0.5rem 0;
  }
}

/* Print styles */
@media print {
  body {
    background: white;
    color: black;
  }
  
  .sidebar, header, footer, .navigation-links {
    display: none;
  }
  
  .main-content {
    width: 100%;
    box-shadow: none;
    padding: 0;
  }
  
  .markdown-content h1, .markdown-content h2, .markdown-content h3, .markdown-content h4 {
    color: #000;
  }
  
  .markdown-content a {
    color: #000;
    text-decoration: underline;
  }
}