/* ============================================================
   Animation library — scroll reveals, hover effects, attention
   ============================================================ */

/* Fade up (default reveal) */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
  will-change: opacity, transform;
}
.reveal.in {
  opacity: 1;
  transform: none;
}

/* Stagger child reveals */
.stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 600ms var(--ease-out), transform 600ms var(--ease-out);
}
.stagger.in > *:nth-child(1) { transition-delay: 0ms; }
.stagger.in > *:nth-child(2) { transition-delay: 80ms; }
.stagger.in > *:nth-child(3) { transition-delay: 160ms; }
.stagger.in > *:nth-child(4) { transition-delay: 240ms; }
.stagger.in > *:nth-child(5) { transition-delay: 320ms; }
.stagger.in > *:nth-child(6) { transition-delay: 400ms; }
.stagger.in > * { opacity: 1; transform: none; }

/* Fade from left/right */
.reveal-left { transform: translateX(-32px); }
.reveal-right { transform: translateX(32px); }
.reveal-left.in, .reveal-right.in { transform: none; }

/* Scale fade */
.reveal-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-spring);
}
.reveal-scale.in {
  opacity: 1;
  transform: none;
}

/* Counter blink */
@keyframes counter-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}
.counter-on {
  animation: counter-pulse 400ms var(--ease-out);
}

/* Hero typing caret */
@keyframes blink-caret {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}
.type-caret {
  display: inline-block;
  width: 4px;
  height: 0.95em;
  background: var(--cobalt);
  margin-left: 4px;
  vertical-align: text-bottom;
  animation: blink-caret 900ms steps(1) infinite;
  border-radius: 2px;
}

/* Marquee — infinite horizontal scroll */
@keyframes marquee-x {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.marquee {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent 0, #000 12%, #000 88%, transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 12%, #000 88%, transparent 100%);
}
.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee-x 28s linear infinite;
  gap: 64px;
  align-items: center;
}
.marquee:hover .marquee-track {
  animation-play-state: paused;
}

/* Floating dots / parallax background blobs */
@keyframes float-blob {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 30px) scale(0.95); }
}
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.55;
  animation: float-blob 16s var(--ease-in-out) infinite;
  pointer-events: none;
}

/* Card tilt — applied via JS for mouse-tracking */
.tilt {
  transform-style: preserve-3d;
  transition: transform 300ms var(--ease-out);
  will-change: transform;
}

/* Process path draw */
@keyframes draw-path {
  to { stroke-dashoffset: 0; }
}
.process-path {
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
}
.process-path.in {
  animation: draw-path 2.4s var(--ease-out) forwards;
}

/* Shimmer skeleton */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
.shimmer {
  background: linear-gradient(
    90deg,
    var(--surface-soft) 0%,
    var(--hairline-soft) 50%,
    var(--surface-soft) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.4s linear infinite;
}

/* Pulse ring (chatbot button) */
@keyframes pulse-ring {
  0% { transform: scale(0.9); opacity: 0.8; }
  100% { transform: scale(1.6); opacity: 0; }
}
.pulse-ring::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--cobalt);
  animation: pulse-ring 2s var(--ease-out) infinite;
  z-index: -1;
}

/* Glitch (pain section) */
@keyframes glitch-x {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-2px); }
  40% { transform: translateX(2px); }
  60% { transform: translateX(-1px); }
  80% { transform: translateX(1px); }
}
.glitch:hover {
  animation: glitch-x 250ms var(--ease-out);
}

/* Slide in panel */
@keyframes slide-in-right {
  from { transform: translateX(110%); }
  to { transform: translateX(0); }
}
.panel-in {
  animation: slide-in-right 380ms var(--ease-out) forwards;
}

/* Fade in modal */
@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
.fade-in {
  animation: fade-in 240ms var(--ease-out) forwards;
}

/* Hover lift */
.lift {
  transition: transform var(--d-base) var(--ease-out), box-shadow var(--d-base) var(--ease-out);
}
.lift:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* Spin */
@keyframes spin {
  to { transform: rotate(360deg); }
}
.spin {
  animation: spin 1s linear infinite;
}

/* Toast */
@keyframes toast-in {
  from { opacity: 0; transform: translateY(20px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.toast {
  animation: toast-in 280ms var(--ease-spring) forwards;
}