/* CSS Custom Properties for maintainability */
:root {
  --primary-color: #89CFF0;
  --secondary-color: #A9DFFF;
  --text-color: #F0F8FF;
  --bg-dark: #101820;
  --bg-medium: #1B2735;
  --bg-light: #0f1a26;
  --border-radius: 20px;
  --transition: all 0.3s ease;
  --shadow-light: rgba(137, 207, 240, 0.2);
  --shadow-medium: rgba(137, 207, 240, 0.4);
  --shadow-heavy: rgba(137, 207, 240, 0.6);
  --font-family: 'Orbitron', monospace;
  --font-weight-normal: 400;
  --font-weight-bold: 700;
  --font-weight-black: 900;
}

/* Reset & Base */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Import fonts with display=swap for better performance */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&display=swap');

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background: linear-gradient(135deg, var(--bg-dark) 0%, #1a1a1a 50%, var(--bg-dark) 100%);
  color: var(--text-color);
  line-height: 1.6;
  padding: 0;
  overflow-x: hidden;
  position: relative;
  /* Improve text rendering */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  /* Improve performance */
  contain: layout style paint;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 80%, rgba(137, 207, 240, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(169, 223, 255, 0.1) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

/* Screen reader only class for accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Header - LCARS Style */
.cast-header {
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-medium) 100%);
  padding: 20px 0;
  display: flex;
  align-items: center;
  border-bottom: 4px solid var(--primary-color);
  position: relative;
  min-height: 100px;
  justify-content: flex-end;
  /* Improve performance */
  contain: layout style;
}

.cast-bar {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: calc(50% - 300px);
  height: 80px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 0 40px 40px 0;
  box-shadow: 0 4px 15px var(--shadow-medium);
  animation: lcarsGlow 2s infinite;
  display: flex;
  align-items: center;
  justify-content: center;
  /* Improve performance */
  will-change: box-shadow;
}

.cast-logo {
  max-height: 60px;
  max-width: 100%;
  height: auto;
  width: auto;
  filter: drop-shadow(1px 1px 2px rgba(0, 0, 0, 0.3));
  /* Prevent layout shift */
  aspect-ratio: auto;
  /* Improve performance */
  contain: layout style;
}

.cast-title {
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  color: var(--text-color);
  font-weight: var(--font-weight-bold);
  letter-spacing: 2px;
  text-transform: uppercase;
  position: relative;
  z-index: 2;
  text-align: right;
  max-width: 600px;
  margin-right: 40px;
  line-height: 1.2;
}

.cast-title .line1 {
  display: block;
  text-align: center;
  margin-right: -20%;
}

.cast-title .line2 {
  display: block;
  text-align: right;
}

/* Main Content */
.cast-main {
  padding: 80px 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.cast-main > section {
  margin-bottom: 120px;
}

.cast-main > section:last-child {
  margin-bottom: 0;
}

.cast-feature {
  background: linear-gradient(135deg, var(--bg-medium) 0%, var(--bg-light) 100%);
  padding: 60px 50px;
  border-left: 15px solid var(--primary-color);
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  position: relative;
  box-shadow: 0 8px 25px var(--shadow-light);
  clip-path: polygon(0 0, 100% 0, 98% 100%, 0% 100%);
  animation: lcarsGlow 4s infinite;
  /* Improve performance */
  will-change: box-shadow;
}

.cast-feature::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, transparent 30%, rgba(137, 207, 240, 0.05) 50%, transparent 70%);
  pointer-events: none;
}

.cast-feature h2 {
  margin-bottom: 25px;
  color: var(--primary-color);
  font-size: 1.8rem;
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.cast-feature p {
  margin-bottom: 0;
  line-height: 1.8;
}

/* Target Audience */
.cast-targets {
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--primary-color));
  color: var(--bg-dark);
  text-align: center;
  padding: 50px 50px;
  font-size: 1.2rem;
  font-weight: var(--font-weight-bold);
  border-radius: 0 30px 30px 0;
  box-shadow: 0 6px 20px var(--shadow-medium);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Feature Grid */
.cast-feature-grid {
  padding: 80px 50px;
  background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-medium) 100%);
  border-radius: var(--border-radius);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.cast-feature-boxes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
}

.cast-feature-box {
  background: linear-gradient(135deg, var(--bg-medium) 0%, var(--bg-light) 100%);
  padding: 40px 35px;
  border-radius: 15px 0 15px 0;
  color: var(--text-color);
  box-shadow: 0 8px 25px var(--shadow-light);
  transition: var(--transition);
  position: relative;
  clip-path: polygon(0 0, 100% 0, 95% 100%, 0% 100%);
  border-left: 8px solid var(--primary-color);
  /* Improve performance */
  will-change: transform;
  contain: layout style;
}

.cast-feature-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, transparent 30%, rgba(137, 207, 240, 0.1) 50%, transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.cast-feature-box:hover {
  transform: translateY(-8px) scale(1.02);
  background: linear-gradient(135deg, #223548 0%, var(--bg-medium) 100%);
  box-shadow: 0 15px 35px var(--shadow-medium);
}

.cast-feature-box:hover::before {
  opacity: 1;
}

.cast-feature-box h3 {
  color: var(--primary-color);
  font-size: 1.1rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: 15px;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-bottom: 2px solid var(--primary-color);
  padding-bottom: 8px;
  display: inline-block;
}

.cast-feature-box p {
  line-height: 1.7;
  margin-bottom: 0;
}

/* Info Box */
.cast-info-box {
  background: transparent;
  padding: 80px 50px;
  border-radius: var(--border-radius) 0 var(--border-radius) 0;
  color: var(--text-color);
  box-shadow: 0 10px 30px var(--shadow-light);
  clip-path: polygon(0 0, 100% 0, 98% 100%, 0% 100%);
  border-top: 8px solid var(--primary-color);
  position: relative;
}

.cast-info-box::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: transparent;
  clip-path: polygon(0 0, 2% 0, 0% 2%, 0 0);
  pointer-events: none;
}

.cast-info-box h2 {
  color: var(--secondary-color);
  margin-bottom: 40px;
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 2px;
  text-align: center;
}

.cast-qa .qa-item {
  margin-bottom: 60px;
  padding: 20px 0;
}

.cast-qa .qa-item:last-child {
  margin-bottom: 0;
}

.cast-qa .question {
  font-weight: var(--font-weight-bold);
  color: var(--primary-color);
  margin-bottom: 15px;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-bottom: 2px solid var(--primary-color);
  padding-bottom: 8px;
  display: inline-block;
}

.cast-qa .answer {
  font-style: normal;
  line-height: 1.8;
  padding-left: 25px;
  border-left: 3px solid rgba(137, 207, 240, 0.3);
}

/* CTA Button */
.cast-cta {
  text-align: center;
  margin: 80px 0;
}

.cast-button {
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color), var(--primary-color));
  color: var(--bg-dark);
  border: none;
  padding: 18px 40px;
  font-size: 1.3rem;
  border-radius: 50px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 2px;
  box-shadow: 0 8px 25px var(--shadow-medium);
  transition: var(--transition);
  position: relative;
  overflow: hidden;

  /* Improve accessibility */
  min-height: 44px;
  min-width: 44px;
  /* Improve performance */
  will-change: transform, box-shadow;
}

.cast-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s ease;
}

.cast-button:hover,
.cast-button:focus {
  background: linear-gradient(45deg, var(--secondary-color), var(--primary-color), var(--secondary-color));
  transform: translateY(-3px);
  box-shadow: 0 12px 35px var(--shadow-heavy);
  outline: 2px solid var(--secondary-color);
  outline-offset: 2px;
}

.cast-button:hover::before {
  left: 100%;
}

/* Footer */
.cast-footer {
  background: linear-gradient(135deg, var(--bg-medium) 0%, var(--bg-light) 100%);
  padding: 60px 40px;
  margin-top: 80px;
  border-top: 4px solid var(--primary-color);
  position: relative;
  clip-path: polygon(0 0, 100% 0, 98% 100%, 0% 100%);
  box-shadow: 0 -8px 25px var(--shadow-light);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
}

.footer-logo {
  margin-bottom: 10px;
}

.footer-logo-img {
  max-height: 80px;
  max-width: 100%;
  height: auto;
  width: auto;
  filter: drop-shadow(1px 1px 2px var(--shadow-medium));
  /* Prevent layout shift */
  aspect-ratio: auto;
  /* Improve performance */
  contain: layout style;
}

.footer-info {
  text-align: center;
}

.footer-info p {
  margin-bottom: 8px;
  color: var(--text-color);
  font-size: 0.9rem;
  letter-spacing: 0.5px;
}

.footer-info p:last-child {
  margin-bottom: 0;
}

.footer-info a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: var(--font-weight-bold);
  transition: var(--transition);
  border-bottom: 1px solid transparent;
}

.footer-info a:hover,
.footer-info a:focus {
  color: var(--secondary-color);
  border-bottom-color: var(--secondary-color);
  text-shadow: 0 0 10px rgba(137, 207, 240, 0.5);
  outline: none;
}

/* LCARS Animation Effects */
@keyframes lcarsGlow {
  0%, 100% { 
    box-shadow: 0 4px 15px var(--shadow-medium);
  }
  50% { 
    box-shadow: 0 4px 20px var(--shadow-heavy);
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .cast-header {
    flex-direction: column;
    text-align: center;
    padding: 20px 0;
  }
  
  .cast-bar {
    position: relative;
    width: 200px;
    height: 60px;
    margin-bottom: 15px;
    transform: none;
    left: 0;
    top: auto;
    border-radius: 0 30px 30px 0;
    align-self: flex-start;
  }
  
  .cast-logo {
    max-height: 45px;
  }
  
  .cast-title {
    font-size: 1.8rem;
  }
  
  .cast-main {
    padding: 20px 15px;
  }
  
  .cast-feature-boxes {
    grid-template-columns: 1fr;
  }
  
  .cast-button {
    padding: 15px 30px;
    font-size: 1.1rem;
  }
  
  .footer-logo-img {
    max-height: 60px;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --primary-color: #00ffff;
    --secondary-color: #ffffff;
    --text-color: #ffffff;
    --bg-dark: #000000;
    --bg-medium: #000000;
    --bg-light: #000000;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .cast-button::before {
    display: none;
  }
  
  html {
    scroll-behavior: auto;
  }
}

/* Print styles */
@media print {
  body {
    background: white;
    color: black;
  }
  
  .cast-header,
  .cast-footer {
    background: white;
    color: black;
  }
  
  .cast-button {
    background: black;
    color: white;
    border: 1px solid black;
  }
}

/* Focus styles for better accessibility */
.cast-button:focus-visible,
.footer-info a:focus-visible {
  outline: 2px solid var(--secondary-color);
  outline-offset: 2px;
}

/* Loading states */
.cast-button:active {
  transform: translateY(-1px);
  transition: transform 0.1s ease;
}