/* ============================================
   CYCLES LETELLIER - RACING EFFECTS
   Speed & Motion Animations
   ============================================ */

/* ============================================
   SPEED LINES BACKGROUND
   ============================================ */
.speed-lines {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
}

.speed-lines::before,
.speed-lines::after {
  content: '';
  position: absolute;
  width: 200%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--race-red), transparent);
  opacity: 0.3;
  animation: speedLine 3s linear infinite;
}

.speed-lines::before {
  top: 30%;
  animation-delay: 0s;
}

.speed-lines::after {
  top: 70%;
  animation-delay: 1.5s;
}

@keyframes speedLine {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(0%);
  }
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.scale-in {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

/* Staggered animations */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }

/* ============================================
   PARALLAX EFFECTS
   ============================================ */
.parallax-bg {
  position: absolute;
  top: -20%;
  left: 0;
  width: 100%;
  height: 140%;
  object-fit: cover;
  will-change: transform;
}

/* ============================================
   RACING STRIPE DECORATION
   ============================================ */
.racing-stripe {
  position: relative;
}

.racing-stripe::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 5px;
  height: 100%;
  background: linear-gradient(
    to bottom,
    var(--race-red) 0%,
    var(--race-red) 33%,
    transparent 33%,
    transparent 66%,
    var(--race-red) 66%,
    var(--race-red) 100%
  );
}

/* ============================================
   GLOWING EFFECTS
   ============================================ */
.glow-red {
  box-shadow: 0 0 40px var(--race-red-glow);
}

.glow-blue {
  box-shadow: 0 0 40px var(--electric-blue-glow);
}

.glow-green {
  box-shadow: 0 0 40px var(--forest-green-glow);
}

.text-glow-red {
  text-shadow: 0 0 30px var(--race-red-glow);
}

/* ============================================
   HOVER LIFT EFFECTS
   ============================================ */
.hover-lift {
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.hover-lift:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* ============================================
   SPEED BLUR EFFECT
   ============================================ */
.speed-blur {
  position: relative;
}

.speed-blur::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -30px;
  width: 60px;
  height: 3px;
  background: linear-gradient(to right, var(--race-red), transparent);
  transform: translateY(-50%);
  opacity: 0;
  transition: var(--transition-normal);
}

.speed-blur:hover::after {
  opacity: 1;
  right: -50px;
}

/* ============================================
   COUNTER / SPEEDOMETER STYLE
   ============================================ */
.counter-display {
  font-family: var(--font-sport);
  font-size: 4rem;
  font-weight: 700;
  color: var(--race-red);
  text-shadow: 0 0 30px var(--race-red-glow);
  letter-spacing: 0.05em;
}

.counter-unit {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-left: 5px;
}

/* ============================================
   TECH HUD ELEMENTS
   ============================================ */
.hud-box {
  background: var(--glass-tech);
  border: 1px solid var(--border-tech);
  position: relative;
}

.hud-box::before,
.hud-box::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  border: 2px solid var(--race-red);
}

.hud-box::before {
  top: -1px;
  left: -1px;
  border-right: none;
  border-bottom: none;
}

.hud-box::after {
  bottom: -1px;
  right: -1px;
  border-left: none;
  border-top: none;
}

/* ============================================
   LOADING ANIMATION
   ============================================ */
.loading-wheel {
  width: 50px;
  height: 50px;
  border: 3px solid var(--border-tech);
  border-top-color: var(--race-red);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================
   PULSE ANIMATION
   ============================================ */
.pulse-ring {
  position: relative;
}

.pulse-ring::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  border: 2px solid var(--race-red);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: pulseRing 2s ease-out infinite;
}

@keyframes pulseRing {
  0% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
  }
  100% {
    transform: translate(-50%, -50%) scale(1.5);
    opacity: 0;
  }
}

/* ============================================
   BIKE WHEEL SPINNER
   ============================================ */
.wheel-icon {
  display: inline-block;
  transition: transform 0.5s ease;
}

.wheel-icon:hover {
  transform: rotate(360deg);
}

/* ============================================
   GRADIENT OVERLAYS
   ============================================ */
.gradient-overlay-red {
  background: linear-gradient(
    135deg,
    rgba(239, 68, 68, 0.2) 0%,
    transparent 50%
  );
}

.gradient-overlay-blue {
  background: linear-gradient(
    135deg,
    rgba(59, 130, 246, 0.2) 0%,
    transparent 50%
  );
}

/* ============================================
   MOTION TRAIL EFFECT
   ============================================ */
.motion-trail {
  position: relative;
}

.motion-trail::before,
.motion-trail::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
  transition: var(--transition-fast);
}

.motion-trail:hover::before {
  opacity: 0.3;
  transform: translateX(-5px);
  color: var(--race-red);
}

.motion-trail:hover::after {
  opacity: 0.15;
  transform: translateX(-10px);
  color: var(--race-red);
}

/* ============================================
   PERFORMANCE METER
   ============================================ */
.perf-meter {
  width: 100%;
  height: 8px;
  background: var(--glass-tech);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.perf-meter-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--race-red), var(--electric-blue));
  border-radius: 4px;
  transition: width 1s ease;
  position: relative;
}

.perf-meter-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ============================================
   CHEVRON ARROWS
   ============================================ */
.chevron-right {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.chevron-right::after {
  content: '';
  width: 0;
  height: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 8px solid currentColor;
  transition: var(--transition-fast);
}

.chevron-right:hover::after {
  transform: translateX(5px);
}

/* ============================================
   RIBBON / BADGE
   ============================================ */
.ribbon {
  position: absolute;
  top: 20px;
  right: -35px;
  background: var(--race-red);
  color: white;
  padding: 8px 40px;
  font-family: var(--font-sport);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transform: rotate(45deg);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

/* ============================================
   SEPARATOR WITH ICON
   ============================================ */
.separator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin: 40px 0;
}

.separator::before,
.separator::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-tech), transparent);
}

.separator-icon {
  color: var(--race-red);
  font-size: 1.5rem;
}

/* ============================================
   ANIMATED UNDERLINE
   ============================================ */
.animated-underline {
  position: relative;
  display: inline-block;
}

.animated-underline::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--race-red);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-normal);
}

.animated-underline:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* ============================================
   SCROLL INDICATOR
   ============================================ */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--text-secondary);
  font-family: var(--font-sport);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  animation: bounce 2s infinite;
}

.scroll-indicator-wheel {
  width: 24px;
  height: 40px;
  border: 2px solid var(--border-tech-hover);
  border-radius: 12px;
  position: relative;
}

.scroll-indicator-wheel::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--race-red);
  border-radius: 2px;
  animation: scrollWheel 2s infinite;
}

@keyframes scrollWheel {
  0%, 100% {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
  50% {
    opacity: 0.5;
    transform: translateX(-50%) translateY(10px);
  }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}