/* ==========================================================================
   Big Peixes — Animations
   Keyframes, scroll-triggered animations, CSS-only transitions.
   All animations respect prefers-reduced-motion (handled in base.css).
   ========================================================================== */

/* ── Scroll-triggered Reveal Animations ───────────────────────────────────── */
/* These are activated via Intersection Observer in main.js,
   which adds the .is-visible class when elements enter viewport.        */

/* Fade up (default reveal) */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity var(--duration-slower) var(--ease-out),
    transform var(--duration-slower) var(--ease-out);
}

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

/* Fade up with slight scale */
.reveal--scale {
  opacity: 0;
  transform: translateY(20px) scale(0.97);
  transition:
    opacity var(--duration-slower) var(--ease-out),
    transform var(--duration-slower) var(--ease-out);
}

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

/* Slide in from left */
.reveal--left {
  opacity: 0;
  transform: translateX(-40px);
  transition:
    opacity var(--duration-slower) var(--ease-out),
    transform var(--duration-slower) var(--ease-out);
}

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

/* Slide in from right */
.reveal--right {
  opacity: 0;
  transform: translateX(40px);
  transition:
    opacity var(--duration-slower) var(--ease-out),
    transform var(--duration-slower) var(--ease-out);
}

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

/* Fade in only (no movement) */
.reveal--fade {
  opacity: 0;
  transition: opacity var(--duration-slowest) var(--ease-out);
}

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

/* Zoom in */
.reveal--zoom {
  opacity: 0;
  transform: scale(0.9);
  transition:
    opacity var(--duration-slower) var(--ease-out),
    transform var(--duration-slower) var(--ease-out);
}

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

/* ── Staggered Children Animations ────────────────────────────────────────── */
/* Add data-stagger to parent, children get progressive delays */

.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity var(--duration-slower) var(--ease-out),
    transform var(--duration-slower) var(--ease-out);
}

.reveal-stagger.is-visible > *:nth-child(1)  { transition-delay: 0ms; }
.reveal-stagger.is-visible > *:nth-child(2)  { transition-delay: 100ms; }
.reveal-stagger.is-visible > *:nth-child(3)  { transition-delay: 200ms; }
.reveal-stagger.is-visible > *:nth-child(4)  { transition-delay: 300ms; }
.reveal-stagger.is-visible > *:nth-child(5)  { transition-delay: 400ms; }
.reveal-stagger.is-visible > *:nth-child(6)  { transition-delay: 500ms; }
.reveal-stagger.is-visible > *:nth-child(7)  { transition-delay: 600ms; }
.reveal-stagger.is-visible > *:nth-child(8)  { transition-delay: 700ms; }
.reveal-stagger.is-visible > *:nth-child(9)  { transition-delay: 800ms; }
.reveal-stagger.is-visible > *:nth-child(10) { transition-delay: 900ms; }
.reveal-stagger.is-visible > *:nth-child(11) { transition-delay: 1000ms; }
.reveal-stagger.is-visible > *:nth-child(12) { transition-delay: 1100ms; }

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

/* ── Keyframe Animations ──────────────────────────────────────────────────── */

/* Hero scroll indicator bounce */
@keyframes bounceDown {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(8px);
  }
  60% {
    transform: translateY(4px);
  }
}

/* Gentle floating (for decorative elements) */
@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

/* Subtle pulse (for attention/CTA elements) */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

.animate-pulse {
  animation: pulse 2s ease-in-out infinite;
}

/* Ripple effect (water-themed) */
@keyframes ripple {
  0% {
    transform: scale(0.8);
    opacity: 1;
  }
  100% {
    transform: scale(2.5);
    opacity: 0;
  }
}

/* Scale pulse for WhatsApp FAB */
@keyframes fabPulse {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5);
  }
  70% {
    box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

.fab-whatsapp {
  animation: fabPulse 2.5s infinite;
}

/* Shimmer loading effect (for image placeholders) */
@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

.loading-shimmer {
  background: linear-gradient(
    90deg,
    var(--color-neutral-100) 25%,
    var(--color-neutral-200) 50%,
    var(--color-neutral-100) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
}

/* Subtle wave motion (decorative) */
@keyframes wave {
  0% {
    d: path("M 0 50 Q 25 40, 50 50 T 100 50 L 100 100 L 0 100 Z");
  }
  50% {
    d: path("M 0 50 Q 25 60, 50 50 T 100 50 L 100 100 L 0 100 Z");
  }
  100% {
    d: path("M 0 50 Q 25 40, 50 50 T 100 50 L 100 100 L 0 100 Z");
  }
}

/* Wave horizontal drift (for layered wave dividers) */
@keyframes waveDrift {
  0%   { transform: translateX(0); }
  50%  { transform: translateX(-25px); }
  100% { transform: translateX(0); }
}

@keyframes waveDriftReverse {
  0%   { transform: translateX(0); }
  50%  { transform: translateX(25px); }
  100% { transform: translateX(0); }
}

/* Count-up number animation helper */
@keyframes countFadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Big Peixes Special Animations ─────────────────────────────────────── */

/* Fish swimming across screen */
@keyframes swimRight {
  0%   { transform: translateX(-120%) translateY(0) scaleX(1); }
  25%  { transform: translateX(25vw) translateY(-8px) scaleX(1); }
  50%  { transform: translateX(50vw) translateY(4px) scaleX(1); }
  75%  { transform: translateX(75vw) translateY(-6px) scaleX(1); }
  100% { transform: translateX(calc(100vw + 120%)) translateY(0) scaleX(1); }
}

@keyframes swimLeft {
  0%   { transform: translateX(calc(100vw + 120%)) translateY(0) scaleX(-1); }
  25%  { transform: translateX(75vw) translateY(6px) scaleX(-1); }
  50%  { transform: translateX(50vw) translateY(-4px) scaleX(-1); }
  75%  { transform: translateX(25vw) translateY(8px) scaleX(-1); }
  100% { transform: translateX(-120%) translateY(0) scaleX(-1); }
}

/* Bubble rising from water */
@keyframes bubbleRise {
  0%   { transform: translateY(100%) scale(0.4); opacity: 0; }
  10%  { opacity: 0.5; }
  50%  { transform: translateY(40%) scale(0.8) translateX(10px); opacity: 0.3; }
  100% { transform: translateY(-20%) scale(1) translateX(-5px); opacity: 0; }
}

/* Steam/smoke rising from food */
@keyframes smokeRise {
  0%   { transform: translateY(0) scale(1); opacity: 0.35; }
  50%  { transform: translateY(-20px) scale(1.2) translateX(5px); opacity: 0.2; }
  100% { transform: translateY(-40px) scale(1.5) translateX(-3px); opacity: 0; }
}

/* Fishing hook gentle swing */
@keyframes hookSwing {
  0%, 100% { transform: rotate(-3deg); transform-origin: top center; }
  50%      { transform: rotate(3deg); transform-origin: top center; }
}

/* Polaroid settle (enter with rotation, settle in place) */
@keyframes polaroidSettle {
  0%  { opacity: 0; transform: rotate(-8deg) translateY(20px); }
  60% { opacity: 1; transform: rotate(2deg) translateY(-4px); }
  100%{ opacity: 1; transform: rotate(var(--rotate, -2deg)) translateY(0); }
}

/* ── Hero Entrance Animations ─────────────────────────────────────────────── */

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

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

.hero__eyebrow {
  animation: heroFadeUp 0.8s var(--ease-out) 0.3s both;
}

.hero__title {
  animation: heroFadeUp 0.8s var(--ease-out) 0.5s both;
}

.hero__subtitle {
  animation: heroFadeUp 0.8s var(--ease-out) 0.7s both;
}

.hero__actions {
  animation: heroFadeUp 0.8s var(--ease-out) 0.9s both;
}

.hero__scroll-indicator {
  animation: heroFadeIn 1s var(--ease-out) 1.5s both;
}

/* ── Parallax-like scroll effect (CSS only, subtle) ───────────────────────── */

.hero__bg-img {
  transition: transform 0.1s linear;
}

/* ── Hover micro-interactions ─────────────────────────────────────────────── */

/* Card lift on hover */
.card {
  transition:
    transform var(--duration-normal) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out);
}

/* Link underline grow */
.link-underline {
  position: relative;
}

.link-underline::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: currentColor;
  transition: width var(--duration-normal) var(--ease-out);
}

.link-underline:hover::after {
  width: 100%;
}

/* ── Number Counter Animation (CSS fallback) ──────────────────────────────── */
/* Real counting is done in JS; this provides the visual transition */

.counter {
  display: inline-block;
  transition:
    opacity var(--duration-slow) var(--ease-out),
    transform var(--duration-slow) var(--ease-out);
}

.counter--animate {
  animation: countFadeIn 0.6s var(--ease-out) both;
}

/* ── Image Reveal ─────────────────────────────────────────────────────────── */

.img-reveal {
  position: relative;
  overflow: hidden;
}

.img-reveal::after {
  content: '';
  position: absolute;
  inset: 0;
  background-color: var(--color-primary-500);
  transform-origin: left;
  transition: transform var(--duration-slower) var(--ease-in-out);
}

.img-reveal.is-visible::after {
  transform: scaleX(0);
  transform-origin: right;
}

/* ── Decorative Swimming Fish ────────────────────────────────────────────── */

.swimming-fish {
  position: absolute;
  pointer-events: none;
  opacity: 0.12;
}

.swimming-fish--1 {
  animation: swimRight 22s linear infinite;
  top: 30%;
}

.swimming-fish--2 {
  animation: swimLeft 28s linear infinite;
  top: 60%;
  animation-delay: -10s;
}

.swimming-fish--3 {
  animation: swimRight 32s linear infinite;
  top: 45%;
  animation-delay: -18s;
  opacity: 0.08;
}

/* ── Decorative Bubbles ──────────────────────────────────────────────────── */

.deco-bubble {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(
    circle at 30% 30%,
    rgba(168, 213, 226, 0.5),
    rgba(43, 122, 145, 0.15)
  );
  animation: bubbleRise 6s ease-in infinite;
  pointer-events: none;
}

.deco-bubble--sm {
  width: 10px; height: 10px;
  animation-duration: 5s;
}

.deco-bubble--md {
  width: 16px; height: 16px;
  animation-duration: 6.5s;
  animation-delay: -2s;
}

.deco-bubble--lg {
  width: 22px; height: 22px;
  animation-duration: 7.5s;
  animation-delay: -4s;
}

/* ── Food Steam ──────────────────────────────────────────────────────────── */

.food-steam {
  position: absolute;
  width: 20px;
  height: 30px;
  background: radial-gradient(
    ellipse,
    rgba(160, 137, 110, 0.25),
    transparent
  );
  border-radius: 50%;
  animation: smokeRise 4s ease-out infinite;
  pointer-events: none;
}

.food-steam--1 { animation-delay: 0s; }
.food-steam--2 { animation-delay: -1.3s; }
.food-steam--3 { animation-delay: -2.6s; }

/* ── Hook Swing ──────────────────────────────────────────────────────────── */

.deco-hook {
  animation: hookSwing 4s ease-in-out infinite;
}

/* ── Wave Divider Animation ──────────────────────────────────────────────── */

.wave-animated {
  animation: waveDrift 8s ease-in-out infinite;
}

.wave-animated--reverse {
  animation: waveDriftReverse 8s ease-in-out infinite;
}