/* ==========================================================================
   KTM DUKE 390 - "READY TO RACE" OFFICIAL LANDING PAGE DESIGN SYSTEM
   Brand Colors: KTM Orange (#FF6600), Electric Orange (#FF7A00), Carbon Dark (#0B0B0D)
   ========================================================================== */

:root {
  --ktm-orange: #FF6600;
  --ktm-orange-bright: #FF7A00;
  --ktm-orange-glow: rgba(255, 102, 0, 0.4);
  --ktm-orange-subtle: rgba(255, 102, 0, 0.12);
  --ktm-black: #080809;
  --ktm-dark-card: #121215;
  --ktm-dark-surface: #18181D;
  --ktm-white: #FFFFFF;
  --ktm-gray: #A1A1AA;
  --ktm-border: rgba(255, 255, 255, 0.1);
  --ktm-orange-border: rgba(255, 102, 0, 0.35);
  
  --font-heading: 'Barlow Condensed', 'Orbitron', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Rajdhani', monospace, -apple-system, sans-serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--ktm-black);
  color: var(--ktm-white);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

body {
  background-color: var(--ktm-black);
  color: var(--ktm-white);
  line-height: 1.5;
  overflow-x: hidden;
  position: relative;
}

/* Typography Utility Classes */
.font-heading {
  font-family: var(--font-heading);
}

.font-mono {
  font-family: var(--font-mono);
}

.font-sans {
  font-family: var(--font-sans);
}

.text-ktm-orange {
  color: var(--ktm-orange);
}

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

/* Carbon Mesh & Gradients */
.bg-carbon-grid {
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

.bg-radial-gradient {
  background: radial-gradient(circle at 50% 30%, rgba(255, 102, 0, 0.08) 0%, rgba(0, 0, 0, 0) 70%);
}

/* KTM Sliced / Chamfered Angular Buttons */
.cut-corner-btn {
  clip-path: polygon(14px 0%, 100% 0%, calc(100% - 14px) 100%, 0% 100%);
}

.cut-corner-btn-rev {
  clip-path: polygon(0% 0%, calc(100% - 14px) 0%, 100% 100%, 14px 100%);
}

/* Trellis Angular Divider */
.trellis-divider {
  background: linear-gradient(135deg, transparent 48%, var(--ktm-orange) 49%, var(--ktm-orange) 51%, transparent 52%),
              linear-gradient(-135deg, transparent 48%, var(--ktm-orange) 49%, var(--ktm-orange) 51%, transparent 52%);
  background-size: 32px 32px;
  opacity: 0.25;
}

/* Cursor Glow */
#cursor-glow {
  background: radial-gradient(circle, rgba(255, 102, 0, 0.35) 0%, rgba(255, 102, 0, 0) 70%);
}

/* 3D Perspective Card */
.perspective-1000 {
  perspective: 1000px;
}

#hero-bike-card {
  transform-style: preserve-3d;
  will-change: transform;
}

#hero-interactive-canvas {
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
  transition: transform 0.05s ease-out;
}

/* Sound Wave Animation */
.sound-wave .bar {
  display: inline-block;
  width: 3px;
  height: 10px;
  background-color: #71717a;
  border-radius: 2px;
  animation: none;
}

.sound-wave .bar-1 { animation-delay: 0.1s; }
.sound-wave .bar-2 { animation-delay: 0.3s; }
.sound-wave .bar-3 { animation-delay: 0.2s; }

.hud-sound-btn.sound-active .bar {
  background-color: var(--ktm-orange);
  animation: soundBars 0.8s infinite alternate ease-in-out;
}

.hud-sound-btn.sound-active {
  border-color: #FF6600 !important;
  box-shadow: 0 0 20px rgba(255, 102, 0, 0.45) !important;
}

@keyframes soundBars {
  0% { height: 4px; }
  100% { height: 16px; }
}

/* Marquee Animation */
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.marquee-track {
  display: flex;
  width: 200%;
  animation: marquee 20s linear infinite;
}

.marquee-track:hover {
  animation-play-state: paused;
}

/* Hotspot Pins in Engineering Section */
.hotspot-pin {
  position: absolute;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 20;
  background: none;
  border: none;
  outline: none;
}

.hotspot-ring {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid var(--ktm-orange);
  animation: pingPulse 2s cubic-bezier(0, 0, 0.2, 1) infinite;
}

.hotspot-dot {
  position: relative;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #000000;
  border: 2px solid var(--ktm-orange);
  color: var(--ktm-orange);
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 15px rgba(255, 102, 0, 0.6);
}

.hotspot-pin:hover .hotspot-dot,
.hotspot-pin.active .hotspot-dot {
  background: var(--ktm-orange);
  color: #000000;
  transform: scale(1.2);
  box-shadow: 0 0 25px rgba(255, 102, 0, 0.9);
}

.hotspot-label {
  position: absolute;
  left: 42px;
  white-space: nowrap;
  background: rgba(0, 0, 0, 0.85);
  border: 1px solid var(--ktm-orange-border);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 4px 10px;
  border-radius: 4px;
  opacity: 0;
  transform: translateX(-10px);
  pointer-events: none;
  transition: all 0.3s ease;
  backdrop-filter: blur(8px);
}

.hotspot-pin:hover .hotspot-label,
.hotspot-pin.active .hotspot-label {
  opacity: 1;
  transform: translateX(0);
}

@keyframes pingPulse {
  75%, 100% {
    transform: scale(2.2);
    opacity: 0;
  }
}

/* TFT Shift Light Flash Animation */
@keyframes shiftFlash {
  0%, 100% {
    background-color: #FF0033;
    color: #FFFFFF;
    box-shadow: 0 0 30px #FF0033;
  }
  50% {
    background-color: #FFFFFF;
    color: #000000;
    box-shadow: 0 0 40px #FFFFFF;
  }
}

.shift-light-flashing {
  animation: shiftFlash 0.12s infinite;
}

/* Glassmorphism Specs Card Hover */
.spec-glass-card {
  transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.spec-glass-card:hover {
  border-color: var(--ktm-orange);
  box-shadow: 0 10px 40px rgba(255, 102, 0, 0.2);
}

/* Gallery Hover Vignette */
.gallery-item {
  transition: transform 0.4s ease, border-color 0.3s ease;
}

.gallery-item:hover {
  border-color: var(--ktm-orange);
}

/* Gravity Fall Runway & Speed Trails */
.speed-trail {
  filter: drop-shadow(0 0 8px #FF6600);
  transition: opacity 0.2s ease;
  pointer-events: none;
}

@keyframes laserPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 0.9; transform: scaleY(1.05); }
}

.laser-active {
  animation: laserPulse 1.2s infinite ease-in-out;
}

/* Mobile Responsiveness Fine-Tuning */
@media (max-width: 640px) {
  .hero-title {
    font-size: 3.75rem !important;
    line-height: 0.9 !important;
  }
  
  .hotspot-label {
    display: none;
  }

  .cut-corner-btn {
    clip-path: polygon(10px 0%, 100% 0%, calc(100% - 10px) 100%, 0% 100%);
  }

  .cut-corner-btn-rev {
    clip-path: polygon(0% 0%, calc(100% - 10px) 0%, 100% 100%, 10px 100%);
  }
  
  #hero-canvas-viewport {
    aspect-ratio: 16/10 !important;
  }

  #scroll-fall-arena {
    padding: 1rem !important;
  }
}

/* Global Bottom Scroll Velocity Rider */
#global-scroll-rider {
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.9), 0 0 35px rgba(255, 102, 0, 0.25);
}

.rider-streak {
  position: absolute;
  height: 2px;
  background: linear-gradient(90deg, transparent, #FF6600, #00D4FF, transparent);
  border-radius: 9999px;
  animation: streakMove 0.4s linear infinite;
}

.streak-1 { top: 20%; left: 0; width: 120px; animation-duration: 0.3s; }
.streak-2 { top: 50%; left: 20%; width: 180px; animation-duration: 0.25s; animation-delay: 0.1s; }
.streak-3 { top: 80%; left: 40%; width: 140px; animation-duration: 0.35s; animation-delay: 0.05s; }

@keyframes streakMove {
  0% { transform: translateX(100%); opacity: 0; }
  50% { opacity: 1; }
  100% { transform: translateX(-100%); opacity: 0; }
}

.waypoint-dot {
  position: relative;
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.waypoint-dot:hover {
  transform: scale(1.6);
  background-color: var(--ktm-orange);
  box-shadow: 0 0 10px var(--ktm-orange);
}

/* Shift LED Indicators */
.shift-led.led-green {
  background-color: #00FF88 !important;
  box-shadow: 0 0 8px #00FF88;
}

.shift-led.led-amber {
  background-color: #FF9900 !important;
  box-shadow: 0 0 8px #FF9900;
}

.shift-led.led-red {
  background-color: #FF0033 !important;
  box-shadow: 0 0 12px #FF0033;
  animation: shiftFlash 0.12s infinite;
}

/* Professional Asphalt Race Track Road Styling */
.bg-racing-kerb {
  background: repeating-linear-gradient(
    -45deg,
    #FF6600,
    #FF6600 10px,
    #FFFFFF 10px,
    #FFFFFF 20px,
    #18181B 20px,
    #18181B 30px
  );
  box-shadow: 0 0 6px rgba(255, 102, 0, 0.3);
}

.bg-asphalt-texture {
  background-color: #0d0d10;
  background-image: 
    radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0%, rgba(0, 0, 0, 0.6) 100%);
  background-size: 6px 6px, 100% 100%;
}

.bg-road-dashes {
  background: repeating-linear-gradient(
    90deg,
    #FFFFFF 0px,
    #FFFFFF 36px,
    transparent 36px,
    transparent 72px
  );
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.5);
}

/* ==========================================================================
   KTM HIGH-OCTANE TACHOMETER PRELOADER & MOBILE PERFORMANCE
   ========================================================================== */
.preload-locked {
  overflow: hidden !important;
  height: 100vh !important;
  touch-action: none !important;
}

#ktm-preloader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: #060607;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  user-select: none;
  will-change: transform, opacity;
}

.preloader-glow-orb {
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 102, 0, 0.18) 0%, rgba(255, 102, 0, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: preloaderPulse 2.4s ease-in-out infinite alternate;
}

@keyframes preloaderPulse {
  0% { transform: scale(0.85); opacity: 0.5; }
  100% { transform: scale(1.15); opacity: 0.9; }
}

#preloader-tacho-arc {
  stroke-dasharray: 283;
  stroke-dashoffset: 283;
  transition: stroke-dashoffset 0.1s linear;
}

#preloader-rev-needle {
  transform-origin: 60px 60px;
  transform: rotate(-120deg);
  transition: transform 0.1s ease-out;
}

.preloader-scanline {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(255, 102, 0, 0.05) 50%, transparent 100%);
  background-size: 100% 8px;
  pointer-events: none;
}

/* Touch Device & Universal Smooth Rendering */
* {
  -webkit-tap-highlight-color: transparent;
}

canvas {
  touch-action: pan-y;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
}

#hero-interactive-canvas, #exploded-scrub-canvas {
  will-change: transform;
  transform: translate3d(0, 0, 0);
  backface-visibility: hidden;
}

#global-cruiser-bike {
  will-change: transform, left;
  transform: translate3d(0, 0, 0);
  backface-visibility: hidden;
}

/* Component Row Cards & Image Rendering */
.component-row-card {
  opacity: 1 !important;
  visibility: visible !important;
  background: #0d0d10 !important;
}

.component-row-card img {
  display: block !important;
  width: 100% !important;
  height: 100% !important;
  object-fit: cover !important;
  border-radius: 0.5rem;
}

@media (hover: none) and (pointer: coarse) {
  #cursor-glow {
    display: none !important;
  }
}