/* ============================================================
   ANIMATIONS.CSS — Dhwani Entertainment
   Keyframes, scroll-reveal classes, hero text stagger,
   image hover zoom. "Quiet confidence" motion language.
   ============================================================ */

/* ----------------------------------------------------------
   KEYFRAMES
   ---------------------------------------------------------- */

/* Hero background — slow, barely perceptible zoom */
@keyframes heroZoom {
  from {
    transform: scale(1);
  }
  to {
    transform: scale(1.06);
  }
}

/* Primary content entrance — rises from slightly below */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Simple opacity fade */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Fade in from above — for dropdowns / overlays */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Logo marquee — scrolls left infinitely */
@keyframes scrollLeft {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Subtle pulse on accent elements */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.6; }
}

/* Scroll indicator bounce */
@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(6px); }
}

/* Counter number easing handled in JS; this is the
   "slot machine" flash for added texture */
@keyframes countFlash {
  0%   { opacity: 0.4; }
  50%  { opacity: 1; }
  100% { opacity: 1; }
}

/* ----------------------------------------------------------
   SCROLL REVEAL SYSTEM
   ---------------------------------------------------------- */

/* Default hidden state — all .reveal elements start here */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity  var(--transition-slow) var(--ease-out-quart),
    transform var(--transition-slow) var(--ease-out-quart);
  will-change: opacity, transform;
}

/* Revealed state — JS adds this class via IntersectionObserver */
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delay variants (1 = 100ms increments) */
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* Fade only (no translateY) — for overlays, backgrounds */
.reveal--fade {
  opacity: 0;
  transform: none;
  transition: opacity var(--transition-slow) var(--ease-out-quart);
}

.reveal--fade.revealed {
  opacity: 1;
}

/* Scale up reveal — for cards, images */
.reveal--scale {
  opacity: 0;
  transform: scale(0.96);
  transition:
    opacity   var(--transition-slow) var(--ease-out-quart),
    transform var(--transition-slow) var(--ease-out-quart);
}

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

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

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

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

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

/* ----------------------------------------------------------
   HERO TEXT STAGGER
   Animated on page load (no IntersectionObserver needed)
   ---------------------------------------------------------- */

/* Hero label — eyebrow text, first to appear */
.hero__label {
  opacity: 0;
  animation:
    fadeInUp 0.8s var(--ease-out-quart) 0.3s forwards;
}

/* Hero title — main headline, slightly after */
.hero__title {
  opacity: 0;
  animation:
    fadeInUp 0.9s var(--ease-out-quart) 0.55s forwards;
}

/* Hero subtitle / body copy */
.hero__subtitle {
  opacity: 0;
  animation:
    fadeInUp 0.8s var(--ease-out-quart) 0.80s forwards;
}

/* Hero CTA buttons row */
.hero__cta {
  opacity: 0;
  animation:
    fadeInUp 0.8s var(--ease-out-quart) 1.0s forwards;
}

/* Scroll indicator at hero bottom */
.hero__scroll-indicator {
  opacity: 0;
  animation:
    fadeIn 0.6s var(--ease-out-quart) 1.4s forwards,
    scrollBounce 1.8s ease-in-out 2s infinite;
}

/* ----------------------------------------------------------
   IMAGE HOVER ZOOM
   Wrap image in .img-hover-zoom to get smooth scale effect
   ---------------------------------------------------------- */

.img-hover-zoom {
  overflow: hidden;
}

.img-hover-zoom img,
.img-hover-zoom .card__image,
.img-hover-zoom .card__img {
  transition: transform 0.7s var(--ease-out-quart);
  will-change: transform;
}

.img-hover-zoom:hover img,
.img-hover-zoom:hover .card__image,
.img-hover-zoom:hover .card__img {
  transform: scale(1.06);
}

/* ----------------------------------------------------------
   HERO BACKGROUND ZOOM (applied to bg element or pseudo)
   ---------------------------------------------------------- */

.hero-bg-zoom {
  animation: heroZoom var(--transition-hero) var(--ease-in-out) forwards;
  will-change: transform;
}

/* ----------------------------------------------------------
   LOGO STRIP MARQUEE
   ---------------------------------------------------------- */

.logo-strip__track {
  animation: scrollLeft 28s linear infinite;
  will-change: transform;
}

.logo-strip__track:hover {
  animation-play-state: paused;
}

/* ----------------------------------------------------------
   TRANSITION UTILITIES (reusable)
   ---------------------------------------------------------- */

.transition-fast { transition: all var(--transition-fast); }
.transition-base { transition: all var(--transition-base); }
.transition-slow { transition: all var(--transition-slow); }

/* ----------------------------------------------------------
   MOBILE — Respect reduced motion
   ---------------------------------------------------------- */

@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,
  .reveal--fade,
  .reveal--scale,
  .reveal--left,
  .reveal--right {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero__label,
  .hero__title,
  .hero__subtitle,
  .hero__cta,
  .hero__scroll-indicator {
    opacity: 1;
    animation: none;
  }
}

/* ============================================================
   PARALLAX SUPPORT
   Overflow handling for parallax-shifted elements
   ============================================================ */

/* Sections with parallax content need overflow hidden */
.section,
.section--dark,
.section--grey,
.page-hero,
.home-hero,
.showreel,
.footer-cta {
  overflow: hidden;
}

/* Page hero bg needs extra height for parallax shift */
.page-hero__bg {
  position: absolute;
  inset: -80px 0 0 0; /* Extra top space for downward parallax */
}

.page-hero__bg img {
  width: 100%;
  height: calc(100% + 80px);
  object-fit: cover;
}

/* Production hero bg parallax space */
.production-hero__bg {
  position: absolute;
  inset: -60px 0 0 0;
}

.production-hero__bg img {
  height: calc(100% + 60px);
}

/* About story image container needs overflow hidden for parallax */
.about-story__image,
.about-story__image-col {
  overflow: hidden;
}

/* ============================================================
   GSAP ADVANCED ANIMATION OVERRIDES
   When animations-advanced.js is loaded, it takes over reveals.
   These styles ensure proper initial states.
   ============================================================ */

/* GSAP-controlled elements start invisible (JS sets gsap.set) */
.gsap-reveal {
  /* Managed entirely by GSAP — no CSS transitions needed */
  transition: none !important;
}

/* SplitType generated elements */
.word, .char {
  display: inline-block;
}

/* Ensure overflow hidden on split text parents for clean reveals */
.home-hero__title,
.page-hero__title,
.footer-cta h2 {
  overflow: hidden;
}

/* Showreel video wrapper needs overflow visible for scale animation */
.showreel__video-wrapper {
  overflow: visible;
  transform-origin: center center;
}

/* Arsenal items need overflow hidden for clip-path reveals */
.arsenal-grid__item {
  will-change: clip-path;
}

/* Production cards need will-change for clip-path */
.production-card {
  will-change: clip-path, opacity;
}

/* Smooth transform performance hints */
.btn--primary,
.nav__cta,
.btn--outline,
.btn--outline-white {
  will-change: transform;
}

/* Capability cards rotation needs visible overflow */
.capabilities-grid {
  overflow: visible;
}

.capability-card {
  will-change: transform, opacity;
}