/* =========================================================================
   N VoaWu — animations.css
   Keyframes, scroll-reveal classes, parallax hooks, mascot motion.
   ========================================================================= */

/* ============================================================
   Keyframes
   ============================================================ */
@keyframes hero-float-a {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%      { transform: translate(40px, -30px) scale(1.06); }
}

@keyframes hero-float-b {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%      { transform: translate(-30px, 20px) scale(1.08); }
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%      { transform: scale(1.4); opacity: 0.6; }
}

@keyframes twinkle {
  0%, 100% { opacity: 0.3; transform: scale(0.8) rotate(0deg); }
  50%      { opacity: 1;   transform: scale(1.2) rotate(20deg); }
}

@keyframes mascot-bob {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50%      { transform: translateY(-6px) rotate(2deg); }
}

@keyframes mascot-wiggle {
  0%, 100% { transform: rotate(0deg); }
  25%      { transform: rotate(-4deg); }
  75%      { transform: rotate(4deg); }
}

@keyframes mascot-wave {
  0%, 100% { transform: rotate(0deg); }
  20%      { transform: rotate(-15deg); }
  40%      { transform: rotate(20deg); }
  60%      { transform: rotate(-10deg); }
  80%      { transform: rotate(15deg); }
}

@keyframes float-y {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}

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

@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 0 0 0 var(--color-accent-glow); }
  50%      { box-shadow: 0 0 0 16px rgba(42, 82, 255, 0); }
}

@keyframes draw-stroke {
  from { stroke-dashoffset: var(--stroke-len, 1000); }
  to   { stroke-dashoffset: 0; }
}

@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50%      { background-position: 100% 50%; }
}

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

@keyframes rise-in {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes blink {
  0%, 92%, 100% { transform: scaleY(1); }
  95%           { transform: scaleY(0.1); }
}

/* ============================================================
   Scroll-reveal
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms var(--ease-emphasized),
              transform 700ms var(--ease-emphasized);
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal--left  { transform: translateX(-28px); }
.reveal--left.is-visible { transform: translateX(0); }

.reveal--right { transform: translateX(28px); }
.reveal--right.is-visible { transform: translateX(0); }

.reveal--scale { transform: scale(0.94); }
.reveal--scale.is-visible { transform: scale(1); }

.reveal--delay-1 { transition-delay: 80ms; }
.reveal--delay-2 { transition-delay: 160ms; }
.reveal--delay-3 { transition-delay: 240ms; }
.reveal--delay-4 { transition-delay: 320ms; }
.reveal--delay-5 { transition-delay: 400ms; }
.reveal--delay-6 { transition-delay: 480ms; }

/* ============================================================
   Parallax hooks
   ============================================================ */
.parallax {
  --parallax-y: 0px;
  --parallax-x: 0px;
  transform: translate3d(var(--parallax-x), var(--parallax-y), 0);
  transition: transform 80ms linear;
  will-change: transform;
}

@media (prefers-reduced-motion: reduce) {
  .parallax { transform: none !important; }
}

/* Hero mascot — wave on load */
.hero__mascot {
  animation: mascot-wave 3.2s ease-in-out 0.4s 1;
  transform-origin: 60% 90%;
}

.hero__mascot--tail {
  animation: mascot-wiggle 4s ease-in-out infinite;
  transform-origin: 30% 50%;
}

.hero__mascot--scarf {
  animation: mascot-wiggle 5s ease-in-out infinite reverse;
  transform-origin: 50% 0%;
}

@media (prefers-reduced-motion: reduce) {
  .hero__mascot,
  .hero__mascot--tail,
  .hero__mascot--scarf { animation: none; }
}

/* Mascot card art — bob */
.mascot-card__art {
  animation: mascot-bob 4s ease-in-out infinite;
}

.mascot-card:nth-child(2) .mascot-card__art { animation-delay: 0.2s; }
.mascot-card:nth-child(3) .mascot-card__art { animation-delay: 0.4s; }
.mascot-card:nth-child(4) .mascot-card__art { animation-delay: 0.6s; }
.mascot-card:nth-child(5) .mascot-card__art { animation-delay: 0.8s; }

@media (prefers-reduced-motion: reduce) {
  .mascot-card__art { animation: none; }
}

/* CTA art */
.cta-card__art svg {
  animation: float-y 4.5s ease-in-out infinite;
}

@media (prefers-reduced-motion: reduce) {
  .cta-card__art svg { animation: none; }
}

/* Animated stat value (count-up) */
.stat__value { font-variant-numeric: tabular-nums; }

/* Subtle background mesh drift on dark sections */
.section--gradient::before,
.section--dark::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 50%, rgba(42, 82, 255, 0.18), transparent 50%),
              radial-gradient(circle at 80% 30%, rgba(197, 168, 255, 0.12), transparent 50%);
  pointer-events: none;
  z-index: 0;
}

.section--gradient > *,
.section--dark > * { position: relative; z-index: 1; }

/* Sticky scroll section utility */
.sticky-section {
  position: sticky;
  top: var(--header-h);
}

/* Animated SVG strokes */
.stroke-anim path,
.stroke-anim line,
.stroke-anim circle,
.stroke-anim rect,
.stroke-anim polyline {
  stroke-dasharray: var(--stroke-len, 1000);
  stroke-dashoffset: var(--stroke-len, 1000);
  transition: stroke-dashoffset 1.6s var(--ease-emphasized);
}

.stroke-anim.is-visible path,
.stroke-anim.is-visible line,
.stroke-anim.is-visible circle,
.stroke-anim.is-visible rect,
.stroke-anim.is-visible polyline {
  stroke-dashoffset: 0;
}

/* "Live" indicator pulse */
.is-live::after {
  content: "";
  display: inline-block;
  width: 8px; height: 8px;
  margin-left: 0.5rem;
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 0 0 var(--color-success);
  animation: glow-pulse 2s ease-out infinite;
  vertical-align: middle;
}

@media (prefers-reduced-motion: reduce) {
  .is-live::after { animation: none; }
}

/* Glowing gradient headline accent */
.gradient-text-cool {
  background: var(--gradient-text-cool);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

.gradient-text-warm {
  background: var(--gradient-text-warm);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

/* Card entrance stagger via CSS variable */
.stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 600ms var(--ease-emphasized),
              transform 600ms var(--ease-emphasized);
  transition-delay: calc(var(--i, 0) * 80ms);
}

.stagger.is-visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   Mascot interaction bubbles (added by mascots.js)
   ============================================================ */
.mascot-bubble {
  position: absolute;
  top: 8%;
  right: 6%;
  background: var(--color-ink-900);
  color: var(--color-pure);
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  box-shadow: var(--shadow-md);
  z-index: 10;
  opacity: 0;
  transform: translateY(8px) scale(0.9);
  transition: opacity 240ms var(--ease-emphasized),
              transform 240ms var(--ease-spring);
  pointer-events: none;
}

.mascot-bubble::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 18px;
  width: 10px;
  height: 10px;
  background: var(--color-ink-900);
  transform: rotate(45deg);
  border-radius: 0 0 2px 0;
}

.mascot-card { position: relative; }
.hero__art-mascot { position: relative; }

.mascot-bubble:not(.is-out) {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.mascot-bubble.is-out {
  opacity: 0;
  transform: translateY(-8px) scale(0.95);
}

.is-wobble .mascot-card__art,
.is-wobble .hero__art-mascot svg {
  animation: mascot-wiggle 0.5s ease-in-out 2 !important;
}