/* ============================================================
   ANIMATIONS — Palmetto Paint Correction and Detail
   Scroll reveals, counter, tab transitions, gallery
   ============================================================ */

/* ── Scroll Reveal: Fade ── */
.reveal-fade {
  opacity: 0;
  transition: opacity 0.7s var(--ease-out-expo);
}

.reveal-fade.is-visible {
  opacity: 1;
}

/* ── Scroll Reveal: Slide Up ── */
.reveal-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s var(--ease-out-expo), transform 0.7s var(--ease-out-expo);
}

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

/* ── Scroll Reveal: Slide Left ── */
.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s var(--ease-out-expo), transform 0.7s var(--ease-out-expo);
}

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

/* ── Scroll Reveal: Slide Right ── */
.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s var(--ease-out-expo), transform 0.7s var(--ease-out-expo);
}

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

/* ── Stat Counter Pulse ── */
@keyframes statPulse {
  0%, 100% {
    text-shadow: 0 0 0px transparent;
  }
  50% {
    text-shadow: 0 0 20px var(--glow-accent);
  }
}

.stat-number.counting {
  animation: statPulse 1.6s ease-in-out;
}

/* ── Scroll Drop Animation ── */
@keyframes scrollDrop {
  0% {
    transform: scaleY(0);
    transform-origin: top;
    opacity: 1;
  }
  50% {
    transform: scaleY(1);
    transform-origin: top;
    opacity: 1;
  }
  51% {
    transform: scaleY(1);
    transform-origin: bottom;
    opacity: 1;
  }
  100% {
    transform: scaleY(0);
    transform-origin: bottom;
    opacity: 0;
  }
}

/* ── Tab Panel Fade In ── */
@keyframes tabFadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Gallery Slide Transition ── */
.gallery-track.sliding {
  transition: transform 0.45s var(--ease-out-expo);
}

/* ── Hero Particles ── */
@keyframes particleFloat {
  0%, 100% {
    transform: translateY(0) scale(1);
    opacity: 0.3;
  }
  50% {
    transform: translateY(-20px) scale(1.2);
    opacity: 0.6;
  }
}

/* ── Heading line reveal animation ── */
@keyframes lineReveal {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* ── Stagger delay helpers ── */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }

/* ── Glow pulse for hero accent ── */
@keyframes glowPulse {
  0%, 100% {
    box-shadow: 0 0 20px var(--glow-accent-sm);
  }
  50% {
    box-shadow: 0 0 40px var(--glow-accent);
  }
}

/* ── Mobile overlay link stagger ── */
.mobile-overlay a {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.3s ease, transform 0.3s ease, color 0.2s ease;
}

.mobile-overlay.is-open a {
  opacity: 1;
  transform: translateY(0);
}

.mobile-overlay.is-open a:nth-child(1) { transition-delay: 0.1s; }
.mobile-overlay.is-open a:nth-child(2) { transition-delay: 0.15s; }
.mobile-overlay.is-open a:nth-child(3) { transition-delay: 0.2s; }
.mobile-overlay.is-open a:nth-child(4) { transition-delay: 0.25s; }