/* ============================================
   Carmechanic — Animations & Keyframes
   ============================================ */

/* ----- Fade In Up (fallback if AOS not loaded) ----- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ----- Glow Pulse ----- */
@keyframes glowPulse {
  0%, 100% {
    box-shadow: 0 0 10px var(--color-accent-glow), 0 0 30px var(--color-accent-glow);
  }
  50% {
    box-shadow: 0 0 20px var(--color-accent-glow-strong), 0 0 60px var(--color-accent-glow);
  }
}

/* ----- Shimmer ----- */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.shimmer {
  background: linear-gradient(
    90deg,
    var(--color-bg-card) 25%,
    var(--color-bg-elevated) 50%,
    var(--color-bg-card) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

/* ----- Float ----- */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ----- Typing indicator ----- */
@keyframes typingDot {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-4px); opacity: 1; }
}

.typing-dots {
  display: flex;
  gap: 4px;
  padding: 4px 0;
}

.typing-dots span {
  width: 6px;
  height: 6px;
  background: var(--color-text-muted);
  border-radius: 50%;
  animation: typingDot 1.4s infinite;
}

.typing-dots span:nth-child(2) {
  animation-delay: 0.2s;
}

.typing-dots span:nth-child(3) {
  animation-delay: 0.4s;
}

/* ----- Gradient border animation ----- */
@keyframes borderRotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ----- Scale In ----- */
@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ----- Service card staggered reveal ----- */
.service-card {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease, border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
}

.service-card.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ----- Gallery item staggered reveal ----- */
.gallery__item {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.gallery__item.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ----- Progress bar animation ----- */
@keyframes progressFill {
  from { width: 0; }
}

.progress-bar {
  height: 4px;
  background: var(--color-border);
  border-radius: 2px;
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  border-radius: 2px;
  background: var(--gradient-accent);
  width: 0;
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ----- Particles ----- */
.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: var(--color-accent);
  border-radius: 50%;
  opacity: 0;
}

@keyframes particleFloat {
  0% {
    opacity: 0;
    transform: translateY(0) scale(0);
  }
  10% {
    opacity: 0.6;
  }
  90% {
    opacity: 0.6;
  }
  100% {
    opacity: 0;
    transform: translateY(-100vh) scale(1);
  }
}

/* ----- Hero title reveal ----- */
.hero__title .hero__title-accent {
  background-size: 200% auto;
  animation: gradientShift 4s ease infinite;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% center; }
  50% { background-position: 100% center; }
}

/* ----- Counter animation (for stat items) ----- */
.stat-item__number.counted {
  transition: none;
}