/* -------------------------------------------------------------
   PLAYTECH DATACENTRE — CYBERPUNK DARK INFRASTRUCTURE SYSTEM
   Design System Tokens & Accessibility Rules
   ------------------------------------------------------------- */

:root {
  --brand-dark: #06080D;
  --card-bg: #0D111A;
  --emerald-primary: #00FF9D;
  --cyan-primary: #00E5FF;
  --amber-primary: #FFB800;
  --glass-border: rgba(255, 255, 255, 0.08);
}

html, body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: var(--brand-dark);
  color: #F3F4F6;
  overflow-x: hidden;
}

/* Custom Cyber Grid Background */
.bg-cyber-grid {
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* Keyboard Focus Accessibility */
*:focus-visible {
  outline: 2px solid var(--emerald-primary) !important;
  outline-offset: 3px !important;
}

/* Glassmorphism Panel Component */
.glass-panel {
  background: rgba(13, 17, 26, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
}

.glass-panel-interactive {
  background: rgba(13, 17, 26, 0.85);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  min-height: 44px;
}

.glass-panel-interactive:hover {
  border-color: rgba(0, 255, 157, 0.4);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px -10px rgba(0, 255, 157, 0.2);
}

/* Glow Effects */
.box-glow-emerald {
  box-shadow: 0 0 40px -10px rgba(0, 255, 157, 0.25);
}

.glow-emerald {
  text-shadow: 0 0 20px rgba(0, 255, 157, 0.5);
}

.border-glow-emerald {
  box-shadow: 0 0 15px rgba(0, 255, 157, 0.2);
}

/* Animated Border Gradient */
@keyframes borderGlow {
  0%, 100% { border-color: rgba(0, 255, 157, 0.4); }
  50% { border-color: rgba(0, 229, 255, 0.4); }
}

.animated-gradient-border {
  animation: borderGlow 4s infinite ease-in-out;
}

/* Custom LED Blink Animations */
@keyframes ledPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.3; transform: scale(0.85); }
}

.animate-led {
  animation: ledPulse 2s infinite ease-in-out;
}

.animate-led-fast {
  animation: ledPulse 0.8s infinite ease-in-out;
}

/* Ambient Mouse Spotlight Follower */
#ambient-spotlight {
  position: fixed;
  top: 0;
  left: 0;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 255, 157, 0.06) 0%, rgba(0, 229, 255, 0.02) 40%, transparent 70%);
  pointer-events: none;
  z-index: 1;
  border-radius: 50%;
  transition: transform 0.15s ease-out;
  transform: translate(-50%, -50%);
}

/* Magnetic CTA Button Effect with Correct Flex Alignment */
.btn-magnetic {
  position: relative;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.btn-magnetic:hover {
  transform: scale(1.03);
}

.btn-magnetic:active {
  transform: scale(0.98);
}

/* Touch-Friendly Horizontal Scroll Container */
.horizontal-scroll-container {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 255, 157, 0.3) rgba(13, 17, 26, 0.8);
}

.horizontal-scroll-container::-webkit-scrollbar {
  height: 4px;
}

.horizontal-scroll-container::-webkit-scrollbar-track {
  background: rgba(13, 17, 26, 0.8);
  border-radius: 4px;
}

.horizontal-scroll-container::-webkit-scrollbar-thumb {
  background: rgba(0, 255, 157, 0.4);
  border-radius: 4px;
}

/* Gradient Text */
.gradient-text-emerald {
  background: linear-gradient(135deg, #FFFFFF 0%, #00FF9D 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-cyan {
  background: linear-gradient(135deg, #FFFFFF 0%, #00E5FF 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-gold {
  background: linear-gradient(135deg, #FFFFFF 0%, #FFB800 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Terminal Styling */
.terminal-window {
  background-color: #080B12;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.85);
}

/* Accordion Transitions */
.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.25s ease;
  opacity: 0;
}

.faq-item.active .faq-content {
  max-height: 600px;
  opacity: 1;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  color: var(--emerald-primary);
}

/* Modal Overlay */
.modal-overlay {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

/* Floating Metrics Bar */
.sticky-bar {
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.sticky-bar.visible {
  transform: translateY(0);
}

/* Skill Checkbox Pill selected state & 44px Touch Target */
.skill-checkbox-pill {
  min-height: 44px;
}

.skill-checkbox-pill.selected {
  border-color: var(--emerald-primary);
  background-color: rgba(0, 255, 157, 0.12);
  color: #FFFFFF;
}

/* Mobile Navigation Menu Drawer */
#mobile-menu {
  display: none;
}

#mobile-menu.open {
  display: block;
}

/* Reduced Motion Accessibility Media Query */
@media (prefers-reduced-motion: reduce) {
  *, ::before, ::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  #ambient-spotlight {
    display: none !important;
  }
}