/* ============================================================
   ANIMATIONS — Scroll Reveals, Micro-interactions, Motion
   ============================================================ */

/* ── Reveal Base ─────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition:
    opacity var(--duration-slower) var(--ease-default),
    transform var(--duration-slower) var(--ease-default);
}

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

/* ── Reveal Variants ─────────────────────────────────────── */
.reveal--left {
  transform: translateX(-32px);
}
.reveal--left.visible {
  transform: translateX(0);
}

.reveal--right {
  transform: translateX(32px);
}
.reveal--right.visible {
  transform: translateX(0);
}

.reveal--scale {
  transform: scale(0.94);
  opacity: 0;
}
.reveal--scale.visible {
  transform: scale(1);
  opacity: 1;
}

.reveal--clip {
  clip-path: inset(0 0 100% 0);
  opacity: 1;
  transition: clip-path var(--duration-slower) var(--ease-smooth);
  transform: none;
}
.reveal--clip.visible {
  clip-path: inset(0 0 0% 0);
}

/* ── Stagger Children ────────────────────────────────────── */
.stagger > * {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity var(--duration-slower) var(--ease-default),
    transform var(--duration-slower) var(--ease-default);
}

.stagger.visible > *:nth-child(1)  { opacity: 1; transform: none; transition-delay: 0ms;   }
.stagger.visible > *:nth-child(2)  { opacity: 1; transform: none; transition-delay: 80ms;  }
.stagger.visible > *:nth-child(3)  { opacity: 1; transform: none; transition-delay: 160ms; }
.stagger.visible > *:nth-child(4)  { opacity: 1; transform: none; transition-delay: 240ms; }
.stagger.visible > *:nth-child(5)  { opacity: 1; transform: none; transition-delay: 320ms; }
.stagger.visible > *:nth-child(6)  { opacity: 1; transform: none; transition-delay: 400ms; }
.stagger.visible > *:nth-child(7)  { opacity: 1; transform: none; transition-delay: 480ms; }
.stagger.visible > *:nth-child(8)  { opacity: 1; transform: none; transition-delay: 560ms; }
.stagger.visible > *:nth-child(9)  { opacity: 1; transform: none; transition-delay: 640ms; }
.stagger.visible > *:nth-child(10) { opacity: 1; transform: none; transition-delay: 720ms; }

/* ── Hero Entrance ───────────────────────────────────────── */
.hero-animate {
  opacity: 0;
  transform: translateY(20px);
  animation: heroEntrance var(--duration-slower) var(--ease-default) forwards;
}

.hero-animate:nth-child(1) { animation-delay: 100ms; }
.hero-animate:nth-child(2) { animation-delay: 200ms; }
.hero-animate:nth-child(3) { animation-delay: 350ms; }
.hero-animate:nth-child(4) { animation-delay: 500ms; }
.hero-animate:nth-child(5) { animation-delay: 650ms; }

@keyframes heroEntrance {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Parallax Layer ──────────────────────────────────────── */
.parallax {
  will-change: transform;
  transition: transform 0.1s linear;
}

/* ── Marquee Ticker ──────────────────────────────────────── */
.marquee {
  overflow: hidden;
  white-space: nowrap;
  display: flex;
}

.marquee__track {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  animation: marqueeScroll 30s linear infinite;
  will-change: transform;
}

.marquee__track--slow { animation-duration: 50s; }
.marquee__track--fast { animation-duration: 15s; }

@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

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

.marquee__item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--text-md);
  font-weight: var(--weight-semibold);
  color: var(--color-text-secondary);
  letter-spacing: var(--tracking-tight);
  padding-inline: var(--space-4);
}

.marquee__separator {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-border-strong);
  flex-shrink: 0;
}

/* ── Counter Animation ───────────────────────────────────── */
.counter {
  display: inline-block;
}

/* ── Cursor (optional) ───────────────────────────────────── */
.cursor {
  position: fixed;
  width: 12px;
  height: 12px;
  background-color: var(--color-text-primary);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition:
    width  var(--duration-base) var(--ease-spring),
    height var(--duration-base) var(--ease-spring),
    opacity var(--duration-fast) var(--ease-default);
  mix-blend-mode: difference;
}

.cursor.hovering {
  width: 40px;
  height: 40px;
  opacity: 0.7;
}

/* ── Page Transition ─────────────────────────────────────── */
@keyframes pageIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-enter {
  animation: pageIn 0.4s var(--ease-default) both;
}

/* ── Spinner ─────────────────────────────────────────────── */
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── Pulse ───────────────────────────────────────────────── */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

/* ── Float ───────────────────────────────────────────────── */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-12px); }
}

.float-animation {
  animation: float 6s var(--ease-in-out) infinite;
}

/* ── Fade In ─────────────────────────────────────────────── */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}