/* ==========================================================================
   iDARIS — Animacje: scroll reveal, mikroanimacje
   Zasada: subtelnie, nigdy "gamingowo". Efekty premium = fade + delikatny
   ruch, nigdy bounce/rotacja/jaskrawe kolory.
   ========================================================================== */

[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 900ms var(--ease-premium), transform 900ms var(--ease-premium);
  will-change: opacity, transform;
}

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

[data-reveal="fade"] {
  transform: none;
}

[data-reveal="scale"] {
  transform: scale(0.96);
}

[data-reveal="scale"].is-visible {
  transform: scale(1);
}

/* Stagger dla grup kart — opóźnienie ustawiane inline przez JS (--d) */
[data-reveal-group] > * {
  transition-delay: var(--d, 0ms);
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* --- Fade-in dla obrazów lazy --- */
img[loading="lazy"] {
  opacity: 0;
  transition: opacity 600ms var(--ease-out);
}

img.is-loaded,
img:not([loading="lazy"]) {
  opacity: 1;
}

/* --- Loader formularza --- */
.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: var(--c-white);
  border-radius: 50%;
  animation: spin 700ms linear infinite;
  display: none;
}

.is-loading .spinner {
  display: inline-block;
}

.is-loading .btn__label {
  opacity: 0.6;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* --- Toast slide-in dla statusu formularza --- */
.form-status.is-visible {
  animation: status-in 420ms var(--ease-premium);
}

@keyframes status-in {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}