/* ── Scroll Reveal — estado inicial (invisível) ── */
[data-reveal] {
  opacity: 0;
  will-change: opacity, transform;
  transition:
    opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

[data-reveal="up"]    { transform: translateY(48px); }
[data-reveal="down"]  { transform: translateY(-48px); }
[data-reveal="left"]  { transform: translateX(-56px); }
[data-reveal="right"] { transform: translateX(56px); }
[data-reveal="fade"]  { transform: none; }
[data-reveal="zoom"]  { transform: scale(0.88); }

/* ── Estado visível ── */
[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ── Delays para cascata ── */
[data-reveal-delay="1"] { transition-delay: 0.08s; }
[data-reveal-delay="2"] { transition-delay: 0.16s; }
[data-reveal-delay="3"] { transition-delay: 0.24s; }
[data-reveal-delay="4"] { transition-delay: 0.32s; }
[data-reveal-delay="5"] { transition-delay: 0.40s; }
[data-reveal-delay="6"] { transition-delay: 0.48s; }
[data-reveal-delay="7"] { transition-delay: 0.56s; }
[data-reveal-delay="8"] { transition-delay: 0.64s; }

/* ── Filhos em cascata via [data-reveal-cascade] ── */
[data-reveal-cascade] > * {
  opacity: 0;
  transform: translateY(36px);
  transition:
    opacity 0.65s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.65s cubic-bezier(0.22, 1, 0.36, 1);
}

[data-reveal-cascade].is-visible > * {
  opacity: 1;
  transform: none;
}

/* stagger delay para filhos dentro de cascade */
[data-reveal-cascade].is-visible > *:nth-child(1)  { transition-delay: 0.00s; }
[data-reveal-cascade].is-visible > *:nth-child(2)  { transition-delay: 0.10s; }
[data-reveal-cascade].is-visible > *:nth-child(3)  { transition-delay: 0.20s; }
[data-reveal-cascade].is-visible > *:nth-child(4)  { transition-delay: 0.30s; }
[data-reveal-cascade].is-visible > *:nth-child(5)  { transition-delay: 0.40s; }
[data-reveal-cascade].is-visible > *:nth-child(6)  { transition-delay: 0.50s; }
[data-reveal-cascade].is-visible > *:nth-child(7)  { transition-delay: 0.60s; }
[data-reveal-cascade].is-visible > *:nth-child(8)  { transition-delay: 0.70s; }

/* ── Sem animação para quem prefere movimento reduzido ── */
@media (prefers-reduced-motion: reduce) {
  [data-reveal],
  [data-reveal-cascade] > * {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}