/* =====================================================================
 * Animations — TZ-20 (keyframes, HTMX hooks, View Transitions,
 * komponent CSS, global reduced-motion guard).
 *
 * Bog'liqlik: motion-tokens.css (oldin yuklanadi).
 * Loyihada bu keyframes Tailwind config orqali ham beriladi
 * (tailwind.animation.config.js); bu fayl Tailwind'siz demo va
 * komponent CSS uchun yagona manba.
 * ===================================================================== */

/* ---------- Keyframes (TZ-20 §4.2 ekvivalenti) ---------- */
@keyframes fade-in {
  0%   { opacity: 0; }
  100% { opacity: 1; }
}
@keyframes fade-in-up {
  0%   { opacity: 0; transform: translateY(var(--motion-distance-md)); }
  100% { opacity: 1; transform: translateY(0); }
}
@keyframes scale-in {
  0%   { opacity: 0; transform: scale(0.98); }
  100% { opacity: 1; transform: scale(1); }
}
@keyframes marquee {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* ---------- Utility klasslar (GPU-only: transform/opacity) ---------- */
.animate-fade-in    { animation: fade-in    var(--duration-base) var(--ease-decelerate) both; }
.animate-fade-in-up { animation: fade-in-up var(--duration-slow) var(--ease-decelerate) both; }
.animate-scale-in   { animation: scale-in   var(--duration-base) var(--ease-decelerate) both; }

/* Text-stagger so'z bo'laklari (inline style o'rniga klass — TZ-11 §10) */
.anim-word { display: inline-block; }

/* Eslatma: will-change DOIMIY berilmaydi (TZ-20 §8.1) — JS animate'dan oldin
 * withWillChange() bilan qo'llanib, tugagach tozalanadi. JSsiz ham kontent
 * ko'rinadi (reveal.js opacity:0 ni faqat JS ishlaganda qo'yadi — PE). */

/* ---------- Hover micro-interaction (TZ-20 §5.2) ---------- */
.hover-lift { transition: transform var(--duration-fast) var(--ease-standard); }
.hover-lift:hover { transform: translateY(-4px); }
.img-zoom { transition: transform var(--duration-base) var(--ease-standard); }
.group:hover .img-zoom { transform: scale(1.03); }

/* ---------- Marquee (TZ-20 §5.6 — Skiper naqshi) ---------- */
[data-marquee] { overflow: hidden; }
[data-marquee-track] {
  display: flex;
  gap: 3rem;
  width: max-content;
  animation: marquee 30s linear infinite;
}
[data-marquee]:hover [data-marquee-track] { animation-play-state: paused; }

/* ---------- Skeleton / shimmer (TZ-20 §5.4) ---------- */
.skeleton {
  position: relative;
  overflow: hidden;
  background: var(--surface-elevated, #1b1b1f);
}
.skeleton::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent, rgba(255, 255, 255, 0.06), transparent);
  background-size: 200% 100%;
  animation: shimmer 1.5s linear infinite;
}

/* ---------- Spotlight / light (TZ-20 §5.8 — Vengeance naqshi) ---------- */
[data-spotlight] { position: relative; isolation: isolate; }
[data-spotlight]::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(
    420px circle at var(--x, 50%) var(--y, 50%),
    color-mix(in srgb, var(--accent, #6366f1) 16%, transparent),
    transparent 60%
  );
  transition: opacity var(--duration-base) var(--ease-standard);
}

/* ---------- 3D tilt glare (TZ-20 §5.9 — hover-only yorqinlik) ---------- */
[data-tilt] { transform-style: preserve-3d; }
[data-tilt-glare] { position: relative; overflow: hidden; }
.tilt-glare {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  border-radius: inherit;
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-standard);
  background: radial-gradient(
    360px circle at var(--glare-x, 50%) var(--glare-y, 35%),
    rgba(255, 255, 255, 0.09),
    transparent 55%
  );
}

/* ---------- Pointer parallaks qatlamlari (TZ-20 §5.9, TZ-03 §16.3) ----------
 * JS `translate` xususiyatini yozadi (transformdan mustaqil); silliq
 * ergashish shu transition orqali. Reduced-motion global guard buni ham
 * nolga tushiradi. */
[data-parallax-depth] { transition: translate var(--duration-base) var(--ease-standard); }

/* ---------- HTMX swap hooks (TZ-20 §7.1) ---------- */
.htmx-swapping { opacity: 0; transition: opacity var(--duration-fast) var(--ease-accelerate); }
.htmx-settling { opacity: 0; }
.htmx-settling.htmx-added { opacity: 1; transition: opacity var(--duration-base) var(--ease-decelerate); }

/* ---------- Carousel (TZ-20 §6 — Skiper-port, Alpine bilan) ---------- */
[data-carousel-track] { display: flex; }
[data-carousel-track] > * { flex: 0 0 100%; }

/* =====================================================================
 * Global reduced-motion guard — TZ-20 §9.1 (2-qatlam: CSS)
 * Bu uch qatlamli a11y himoyasining ikkinchisi (token + CSS + JS).
 * ===================================================================== */
@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;
  }
  /* View Transitions o'chiriladi (TZ-20 §7.2) */
  ::view-transition-group(*),
  ::view-transition-old(*),
  ::view-transition-new(*) { animation: none !important; }
}