/* ══════════════════════════════════════════
   ANIMATIONS — Lowcountry Pool House
   ══════════════════════════════════════════ */

/* ── Reveal: pre-visible state ── */
.reveal-fade {
  opacity: 0;
  transition: opacity 0.7s var(--ease-out);
}

.reveal-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

/* ── Reveal: triggered state ── */
.reveal-fade.is-visible,
.reveal-up.is-visible,
.reveal-left.is-visible,
.reveal-right.is-visible {
  opacity: 1;
  transform: none;
}

/* ── Stagger delays for children ── */
.reveal-up:nth-child(2) { transition-delay: 0.1s; }
.reveal-up:nth-child(3) { transition-delay: 0.2s; }
.reveal-up:nth-child(4) { transition-delay: 0.3s; }

/* ── Hero title overflow ── */
.hero-title-line1,
.hero-title-line2 {
  overflow: hidden;
  display: block;
}

/* ── Scroll line animation ── */
@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 0; }
  40%  { transform: scaleY(1); transform-origin: top; opacity: 1; }
  60%  { transform: scaleY(1); transform-origin: bottom; opacity: 1; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

/* ── Particle / bubble float ── */
@keyframes bubbleFloat {
  0%, 100% { transform: translateY(0) scale(1); opacity: 0.4; }
  50%       { transform: translateY(-35px) scale(1.1); opacity: 0.8; }
}

@keyframes shimmer {
  0%, 100% { opacity: 0.15; transform: scale(1); }
  50%       { opacity: 0.55; transform: scale(1.4); }
}

.particle {
  position: absolute;
  border-radius: 50%;
  background: var(--color-accent);
  animation: shimmer var(--duration, 3s) ease-in-out infinite;
  animation-delay: var(--delay, 0s);
}

/* ── Glow pulse on primary CTA ── */
@keyframes glowPulse {
  0%, 100% { box-shadow: 0 4px 24px rgba(147,250,135,0.3); }
  50%       { box-shadow: 0 4px 40px rgba(147,250,135,0.6); }
}

.btn-primary {
  animation: glowPulse 3s ease-in-out infinite;
}

.btn-primary:hover {
  animation: none;
}

/* ── Counter count-up ── */
@keyframes countUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.stat-number.counted {
  animation: countUp 0.4s ease-out forwards;
}

/* ── Tab panel fade ── */
.tab-panel {
  animation: none;
}

.tab-panel.active {
  animation: tabFadeIn 0.35s var(--ease-out) forwards;
}

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

/* ── Gallery track transitions ── */
.gallery-track {
  will-change: transform;
}