/* ============================================================
   ANIMATIONS.CSS — Keyframes & Animation Utilities
   Perfect Landing: Comfort Food
   ============================================================ */

/* ============================================================
   1. KEYFRAMES
   ============================================================ */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.92);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-60px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(60px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

@keyframes float {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  33% {
    transform: translateY(-8px) rotate(1deg);
  }
  66% {
    transform: translateY(-4px) rotate(-1deg);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.6;
  }
}

@keyframes gentleBounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

@keyframes textRevealLine {
  from {
    clip-path: inset(0 100% 0 0);
  }
  to {
    clip-path: inset(0 0 0 0);
  }
}

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

@keyframes rotateIn {
  from {
    transform: rotate(-180deg) scale(0);
    opacity: 0;
  }
  to {
    transform: rotate(0deg) scale(1);
    opacity: 1;
  }
}

@keyframes countUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   2. ANIMATION UTILITY CLASSES
   ============================================================ */

/* Base reveal class — elements start invisible */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  will-change: transform, opacity;
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* Directional reveals */
.reveal-left {
  opacity: 0;
  transform: translateX(-60px);
  will-change: transform, opacity;
  transition: opacity 0.8s var(--ease-out),
              transform 0.8s var(--ease-out);
}

.reveal-right {
  opacity: 0;
  transform: translateX(60px);
  will-change: transform, opacity;
  transition: opacity 0.8s var(--ease-out),
              transform 0.8s var(--ease-out);
}

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

/* Scale reveal */
.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  will-change: transform, opacity;
  transition: opacity 0.8s var(--ease-out),
              transform 0.8s var(--ease-out);
}

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

/* Stagger children — apply to parent */
.stagger-children > * {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s var(--ease-out),
              transform 0.6s var(--ease-out);
}

.stagger-children--visible > *:nth-child(1) { transition-delay: 0ms; }
.stagger-children--visible > *:nth-child(2) { transition-delay: 100ms; }
.stagger-children--visible > *:nth-child(3) { transition-delay: 200ms; }
.stagger-children--visible > *:nth-child(4) { transition-delay: 300ms; }
.stagger-children--visible > *:nth-child(5) { transition-delay: 400ms; }
.stagger-children--visible > *:nth-child(6) { transition-delay: 500ms; }
.stagger-children--visible > *:nth-child(7) { transition-delay: 600ms; }
.stagger-children--visible > *:nth-child(8) { transition-delay: 700ms; }

.stagger-children--visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   3. GSAP HELPER CLASSES
   ============================================================ */

/* Parallax background — GSAP will animate the transform */
.parallax-bg {
  will-change: transform;
}

/* Pin section — GSAP ScrollTrigger will pin these */
.pin-section {
  will-change: transform;
}

/* Hero parallax layers */
.hero-layer {
  will-change: transform;
}

.hero-layer--slow {
  --parallax-speed: 0.3;
}

.hero-layer--medium {
  --parallax-speed: 0.6;
}

.hero-layer--fast {
  --parallax-speed: 0.9;
}

/* ============================================================
   4. SPECIAL EFFECTS
   ============================================================ */

/* Shimmer text effect */
.shimmer-text {
  background: linear-gradient(
    90deg,
    var(--color-cream) 0%,
    var(--color-amber) 25%,
    var(--color-cream) 50%,
    var(--color-amber) 75%,
    var(--color-cream) 100%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer 4s linear infinite;
}

/* Floating element */
.float-element {
  animation: float 6s ease-in-out infinite;
}

/* Gentle bounce (for scroll cue) */
.bounce {
  animation: gentleBounce 2s ease-in-out infinite;
}

/* Counter animation placeholder (JS will handle actual counting) */
.count-up {
  display: inline-block;
}

/* ============================================================
   5. REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal-left,
  .reveal-right,
  .reveal-scale,
  .stagger-children > * {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .shimmer-text {
    animation: none;
  }

  .float-element {
    animation: none;
  }

  .bounce {
    animation: none;
  }

  .hero__scroll-line {
    animation: none;
  }

  .parallax-bg,
  .hero-layer {
    will-change: auto;
  }
}