/* ============================================================
   EYE LOVE FRAMES — ANIMATIONS
   Keyframes + scroll-reveal system
   ============================================================ */

/* ── Scroll Reveal Base ─────────────────────────────────── */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity var(--dur-slow) var(--ease-out),
    transform var(--dur-slow) var(--ease-out);
  transition-delay: calc(var(--reveal-delay, 0) * 1ms);
}

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

/* ── Accessibility: respect reduced-motion preference ───── */
@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;
  }
  /* Reveal elements show immediately — no fade/slide */
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  /* Kill the WhatsApp bounce entirely */
  .whatsapp-float {
    animation: none !important;
  }
}

.reveal--left {
  opacity: 0;
  transform: translateX(-32px);
  transition:
    opacity var(--dur-slow) var(--ease-out),
    transform var(--dur-slow) var(--ease-out);
  transition-delay: calc(var(--reveal-delay, 0) * 1ms);
}

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

.reveal--right {
  opacity: 0;
  transform: translateX(32px);
  transition:
    opacity var(--dur-slow) var(--ease-out),
    transform var(--dur-slow) var(--ease-out);
  transition-delay: calc(var(--reveal-delay, 0) * 1ms);
}

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

.reveal--scale {
  opacity: 0;
  transform: scale(0.95);
  transition:
    opacity var(--dur-slow) var(--ease-out),
    transform var(--dur-slow) var(--ease-out);
  transition-delay: calc(var(--reveal-delay, 0) * 1ms);
}

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

/* Stagger helpers — applied by JS or manually */
.stagger-1 { --reveal-delay: 0;   }
.stagger-2 { --reveal-delay: 80;  }
.stagger-3 { --reveal-delay: 160; }
.stagger-4 { --reveal-delay: 240; }
.stagger-5 { --reveal-delay: 320; }
.stagger-6 { --reveal-delay: 400; }

/* ── Hero animations ────────────────────────────────────── */

@keyframes heroFadeIn {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-label  { animation: heroFadeIn 0.8s var(--ease-out) 0.3s both; }
.hero-title  { animation: heroFadeIn 0.9s var(--ease-out) 0.5s both; }
.hero-body   { animation: heroFadeIn 0.8s var(--ease-out) 0.75s both; }
.hero-ctas   { animation: heroFadeIn 0.8s var(--ease-out) 1.0s both; }
.hero-scroll { animation: heroFadeIn 0.8s var(--ease-out) 1.3s both; }

/* ── Scroll pulse (hero indicator) ─────────────────────── */

@keyframes scrollPulse {
  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; }
}

.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-2);
}

.scroll-indicator__line {
  width: 1px;
  height: 48px;
  background: var(--gradient-brand);
  animation: scrollPulse 2s ease-in-out infinite;
}

.scroll-indicator__text {
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--color-primary-light);
  opacity: 0.7;
}

/* ── WhatsApp floating button ───────────────────────────── */

@keyframes waBounce {
  0%, 100% { transform: translateY(0); }
  30%       { transform: translateY(-6px); }
  60%       { transform: translateY(-2px); }
}

.whatsapp-float {
  position: fixed;
  bottom: var(--sp-6);
  right: var(--sp-6);
  z-index: var(--z-overlay);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md), var(--shadow-glow);
  animation: waBounce 3s ease-in-out 2s infinite;
  transition: transform var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out);
}

/* No bounce on mobile — battery drain and distracting on small screens */
@media (max-width: 768px) {
  .whatsapp-float {
    animation: none;
    bottom: var(--sp-4);
    right: var(--sp-4);
  }
}

.whatsapp-float:hover {
  transform: scale(1.1) translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  animation-play-state: paused;
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
  fill: var(--color-bg);
}

/* ── Section divider line draw ──────────────────────────── */

@keyframes lineGrow {
  from { stroke-dashoffset: 1; }
  to   { stroke-dashoffset: 0; }
}

.divider-svg {
  overflow: visible;
}

.divider-svg line {
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  vector-effect: non-scaling-stroke;
}

.divider-svg.is-visible line {
  animation: lineGrow 1.2s var(--ease-out) forwards;
}

/* ── Card hover ─────────────────────────────────────────── */

@keyframes cardGlowPulse {
  0%, 100% { box-shadow: var(--shadow-md), 0 0 0 1px var(--color-border); }
  50%       { box-shadow: var(--shadow-lg), 0 0 24px rgba(248,174,176,0.15); }
}

/* ── Shimmer (loading state) ────────────────────────────── */

@keyframes shimmer {
  from { background-position: -200% center; }
  to   { background-position: 200% center; }
}

.shimmer {
  background: linear-gradient(
    90deg,
    rgba(255,255,255,0.03) 0%,
    rgba(248,174,176,0.08) 50%,
    rgba(255,255,255,0.03) 100%
  );
  background-size: 200% auto;
  animation: shimmer 2.5s linear infinite;
}

/* ── Fade for cookie/modal ──────────────────────────────── */

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

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

.animate-fadeInUp { animation: fadeInUp 0.4s var(--ease-out) both; }
.animate-fadeIn   { animation: fadeIn   0.3s var(--ease-out) both; }

/* ── Number counter ─────────────────────────────────────── */
@keyframes countUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}