/* ══════════════════════════════════════════
   ANIMATIONS — F&E Painting Company
   ══════════════════════════════════════════ */

/* ── Reveal states ── */
.reveal-fade {
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-out);
}

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

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

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

.reveal-fade.is-visible,
.reveal-up.is-visible,
.reveal-left.is-visible,
.reveal-right.is-visible {
  opacity: 1;
  transform: none;
}

/* ── Stagger delays for grid 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 container ── */
.hero-title-line1,
.hero-title-line2 {
  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; }
}

/* ── Hero particles (floating dots) ── */
@keyframes floatParticle {
  0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0.4; }
  50%      { transform: translateY(-25px) rotate(180deg); opacity: 0.8; }
}

.hero-particles .particle {
  position: absolute;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: floatParticle var(--duration, 4s) ease-in-out infinite;
  animation-delay: var(--delay, 0s);
  opacity: 0.3;
}

.hero-particles .particle.dim {
  background: var(--color-text-muted);
  opacity: 0.15;
}

/* ── Paint drip animation for hero ── */
@keyframes paintDrip {
  0%   { transform: translateY(-60px) scaleY(0.3); opacity: 0; }
  20%  { opacity: 0.6; }
  60%  { opacity: 0.6; }
  100% { transform: translateY(80px) scaleY(1); opacity: 0; }
}

.paint-drip {
  position: absolute;
  width: 2px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  animation: paintDrip var(--duration, 6s) ease-in-out infinite;
  animation-delay: var(--delay, 0s);
  pointer-events: none;
  opacity: 0.3;
}

/* ── Glow pulse on hero CTA ── */
@keyframes glowPulse {
  0%, 100% { box-shadow: 0 4px 24px rgba(232,100,10,0.35); }
  50%      { box-shadow: 0 4px 48px rgba(232,100,10,0.65); }
}

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

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

/* ── Gallery track transition ── */
.gallery-track {
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ── Tab panel transitions ── */
.tab-panel {
  animation: tabFadeIn 0.35s var(--ease-out);
}

@keyframes tabFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: none; }
}

/* ── Counter number ── */
.stat-number {
  transition: color 0.3s ease;
}

/* ── Mobile overlay link stagger ── */
.mobile-overlay.is-open a:nth-child(1) { transition-delay: 0.1s; }
.mobile-overlay.is-open a:nth-child(2) { transition-delay: 0.2s; }
.mobile-overlay.is-open a:nth-child(3) { transition-delay: 0.3s; }
.mobile-overlay.is-open a:nth-child(4) { transition-delay: 0.4s; }