/* ============================================================
   ANIMATIONS — Sistema de revelação editorial silenciosa.

   "Se alguém percebe a animação conscientemente, está forte demais."
   Easing padrão: cubic-bezier(0.25, 0.46, 0.45, 0.94) — ease-out elegante.
   ============================================================ */

:root {
  --ease-luxury: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --duration-reveal: 0.9s;
  --duration-line: 1.2s;
}

/* ── SISTEMA NOVO: [data-reveal] (recomendado) ────────────── */

[data-reveal] {
  opacity: 0;
  transition:
    opacity var(--duration-reveal) var(--ease-luxury),
    transform var(--duration-reveal) var(--ease-luxury);
  will-change: opacity, transform;
}

[data-reveal="up"]    { transform: translateY(30px); }
[data-reveal="fade"]  { transform: none; }
[data-reveal="left"]  { transform: translateX(-30px); }
[data-reveal="right"] { transform: translateX(30px); }
[data-reveal="scale"] { transform: scale(0.95); }
[data-reveal="line"] {
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--duration-line) var(--ease-luxury);
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0) translateX(0) scale(1) scaleX(1);
}

[data-reveal-delay="1"] { transition-delay: 0.1s; }
[data-reveal-delay="2"] { transition-delay: 0.2s; }
[data-reveal-delay="3"] { transition-delay: 0.3s; }
[data-reveal-delay="4"] { transition-delay: 0.4s; }
[data-reveal-delay="5"] { transition-delay: 0.5s; }
[data-reveal-delay="6"] { transition-delay: 0.6s; }
[data-reveal-delay="7"] { transition-delay: 0.7s; }
[data-reveal-delay="8"] { transition-delay: 0.8s; }

/* ── SISTEMA LEGADO: .bt-reveal (compatibilidade) ─────────── */

.bt-reveal {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity var(--duration-reveal) var(--ease-luxury),
    transform var(--duration-reveal) var(--ease-luxury);
  will-change: opacity, transform;
}
.bt-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.bt-reveal--d1 { transition-delay: 0.1s; }
.bt-reveal--d2 { transition-delay: 0.2s; }
.bt-reveal--d3 { transition-delay: 0.3s; }
.bt-reveal--d4 { transition-delay: 0.4s; }
.bt-reveal--d5 { transition-delay: 0.5s; }

/* ── Marquee: scroll horizontal infinito ──────────────────── */

.bt-marquee {
  position: relative;
  overflow: hidden;
  background-color: var(--bg-cream-light);
  background-image: var(--bt-paper-texture);
  background-repeat: repeat;
  background-size: 240px 240px;
  padding: 1.4rem 0;
  /* Linhas navy (mesma cor dos botoes) em cima e embaixo pra destacar a faixa */
  border-top: 2px solid var(--text-navy);
  border-bottom: 2px solid var(--text-navy);
}
.bt-marquee__track {
  display: flex;
  white-space: nowrap;
  animation: bt-marquee-scroll 40s linear infinite;
  gap: 3rem;
}
.bt-marquee__item {
  font-family: var(--font-script);
  font-style: italic;
  font-size: 1.4rem;
  color: var(--text-navy);              /* navy igual aos títulos */
  display: inline-flex;
  align-items: center;
  gap: 3rem;
}
.bt-marquee__item span.bt-cross {
  font-family: var(--font-body);
  font-style: normal;
}
.bt-marquee:hover .bt-marquee__track {
  animation-play-state: paused;
}

@keyframes bt-marquee-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

@media (max-width: 768px) {
  .bt-marquee__track { animation-duration: 28s; }
}

/* ── Ambient + hover lift ────────────────────────────────── */

.bt-dot-pulse {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  animation: bt-dot-pulse 3s ease-in-out infinite;
}
@keyframes bt-dot-pulse {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50%      { opacity: 0.9; transform: scale(1.4); }
}

.bt-lift {
  transition:
    transform var(--duration-mid) var(--ease-luxury),
    box-shadow var(--duration-mid) var(--ease-luxury);
}
.bt-lift:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.bt-zoom-wrap { overflow: hidden; }
.bt-zoom-wrap img {
  transition: transform 1.2s var(--ease-luxury);
}
.bt-zoom-wrap:hover img {
  transform: scale(1.04);
}

/* ── Page loader ──────────────────────────────────────────── */

.bt-page-loader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: var(--bg-cream);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}
.bt-page-loader.loaded {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.bt-page-loader__mark {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 600;
  letter-spacing: 0.6em;
  text-transform: uppercase;
  color: var(--text-navy);
  animation: bt-loader-pulse 1.5s ease-in-out infinite;
}
@keyframes bt-loader-pulse {
  0%, 100% { opacity: 0.3; transform: scale(0.97); }
  50%      { opacity: 1;   transform: scale(1); }
}

/* ── REDUCED MOTION: respeito sagrado ─────────────────────── */

@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;
  }
  [data-reveal],
  .bt-reveal {
    opacity: 1 !important;
    transform: none !important;
  }
  .bt-marquee__track {
    animation: none !important;
  }
  [data-parallax] {
    transform: none !important;
  }
  .bt-dot-pulse,
  .bt-page-loader__mark {
    animation: none !important;
  }
}