/* ==========================================================================
   BlackApTech - Scroll & Interaction Animations
   High-performance hardware-accelerated animations using CSS & IntersectionObserver
   ========================================================================== */

/* Scroll-triggered reveal states */
.reveal,
.reveal-up,
.reveal-left,
.reveal-right,
.reveal-scale {
  opacity: 0;
  will-change: transform, opacity;
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-up,
.reveal {
  transform: translateY(35px);
}

.reveal-left {
  transform: translateX(-40px);
}

.reveal-right {
  transform: translateX(40px);
}

.reveal-scale {
  transform: scale(0.92);
}

/* Active animated states */
.reveal.is-revealed,
.reveal-up.is-revealed,
.reveal-left.is-revealed,
.reveal-right.is-revealed {
  opacity: 1;
  transform: translate(0, 0);
}

.reveal-scale.is-revealed {
  opacity: 1;
  transform: scale(1);
}

/* Staggered transition delays */
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }
.delay-400 { transition-delay: 400ms; }
.delay-500 { transition-delay: 500ms; }
.delay-600 { transition-delay: 600ms; }

/* Continuous floating animation */
.animate-float {
  animation: floatSlow 6s ease-in-out infinite;
}

.animate-float-delay {
  animation: floatSlow 7s ease-in-out 1.5s infinite;
}

@keyframes floatSlow {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-12px);
  }
}

/* Glowing pulse effect */
.glow-pulse {
  position: relative;
}

.glow-pulse::after {
  content: "";
  position: absolute;
  inset: -1px;
  background: var(--gradient-primary);
  border-radius: inherit;
  z-index: -1;
  opacity: 0;
  filter: blur(14px);
  transition: opacity var(--transition-normal);
}

.glow-pulse:hover::after {
  opacity: 0.6;
}

/* Infinite Marquee for Tech Stack */
.marquee-wrapper {
  overflow: hidden;
  user-select: none;
  display: flex;
  gap: 20px;
  mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
}

.marquee-track {
  display: flex;
  gap: 20px;
  flex-shrink: 0;
  min-width: 100%;
  animation: scrollMarquee 28s linear infinite;
}

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

@keyframes scrollMarquee {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* Hero Badge Shimmer */
.shimmer-badge {
  position: relative;
  overflow: hidden;
}

.shimmer-badge::after {
  content: "";
  position: absolute;
  top: 0;
  left: -150%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.25),
    transparent
  );
  transform: skewX(-20deg);
  animation: shimmerPass 4s infinite;
}

@keyframes shimmerPass {
  0% { left: -150%; }
  35% { left: 150%; }
  100% { left: 150%; }
}

/* Code mockup typing blink */
.cursor-blink {
  display: inline-block;
  width: 2px;
  height: 1em;
  background-color: var(--accent-orange);
  vertical-align: middle;
  animation: blink 1s step-start infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

/* Reduced motion preference for accessibility */
@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal-up,
  .reveal-left,
  .reveal-right,
  .reveal-scale,
  .animate-float,
  .marquee-track {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}