/* ═══════════════════════════════════════════════════════════════
   ANIMATIONS — Keyframes + Transitions + Entrance Sequences
   ═══════════════════════════════════════════════════════════════ */

/* ─── KEYFRAMES ─────────────────────────────────────────────────── */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(28px);
    filter: blur(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes clipReveal {
  from {
    clip-path: polygon(0 100%, 100% 100%, 100% 100%, 0 100%);
  }
  to {
    clip-path: polygon(0 0%, 100% 0%, 100% 100%, 0 100%);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.94);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

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

/* ─── ENTRANCE STATES ───────────────────────────────────────────── */
/* Elements start invisible; JS adds .is-visible to trigger reveal */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  filter: blur(4px);
  transition:
    opacity var(--dur-slower) var(--ease-out),
    transform var(--dur-slower) var(--ease-out),
    filter var(--dur-slower) var(--ease-out);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

/* ─── STAGGER DELAYS ────────────────────────────────────────────── */
[data-delay="1"] { transition-delay: 60ms; }
[data-delay="2"] { transition-delay: 120ms; }
[data-delay="3"] { transition-delay: 180ms; }
[data-delay="4"] { transition-delay: 240ms; }
[data-delay="5"] { transition-delay: 300ms; }
[data-delay="6"] { transition-delay: 360ms; }

/* ─── HERO ENTRANCE ─────────────────────────────────────────────── */
.hero-animate {
  animation: fadeUp var(--dur-entrance) var(--ease-out) both;
}

.hero-animate--label { animation-delay: 200ms; }
.hero-animate--title { animation-delay: 350ms; }
.hero-animate--desc  { animation-delay: 520ms; }
.hero-animate--cta   { animation-delay: 680ms; }
.hero-animate--bg    { animation-delay: 0ms; animation-duration: 1.4s; }

/* ─── NAV ENTRANCE ──────────────────────────────────────────────── */
.nav-animate {
  animation: slideDown var(--dur-slow) var(--ease-out) 100ms both;
}

/* ─── REDUCED MOTION ────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
    filter: none;
    transition: none;
  }
}