/* ==========================================================================
   ANIMATIONS — apenas transform/opacity (GPU-friendly)
   ========================================================================== */

@keyframes fadeSlideIn {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes floatY {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-14px);
  }
}

@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

@keyframes pulseGlow {
  0%,
  100% {
    opacity: 0.5;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.06);
  }
}

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

@keyframes rippleOut {
  from {
    transform: scale(0);
    opacity: 0.55;
  }
  to {
    transform: scale(2.4);
    opacity: 0;
  }
}

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

/* ---- Scroll reveal (controlado via IntersectionObserver + classe .is-visible) ---- */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-slow) var(--ease-premium), transform var(--dur-slow) var(--ease-premium);
  will-change: transform, opacity;
}

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

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

[data-reveal="left"] {
  transform: translateX(-32px);
}

[data-reveal="left"].is-visible {
  transform: translateX(0);
}

[data-reveal="right"] {
  transform: translateX(32px);
}

[data-reveal="right"].is-visible {
  transform: translateX(0);
}

[data-reveal="zoom"] {
  transform: scale(0.92);
}

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

/* Atraso escalonado para grupos de itens */
[data-reveal-group] > * {
  transition-delay: calc(var(--reveal-index, 0) * 90ms);
}

/* ---- Elementos flutuantes decorativos ---- */
.floating {
  animation: floatY 6s ease-in-out infinite;
}

.floating--slow {
  animation-duration: 9s;
}

.floating--delay {
  animation-delay: 1.4s;
}

/* ---- Glow ambiente ---- */
.ambient-glow {
  position: absolute;
  width: 46vw;
  height: 46vw;
  max-width: 720px;
  max-height: 720px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--color-wine-glow) 0%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
  animation: pulseGlow 8s ease-in-out infinite;
  z-index: 0;
}

/* ---- Texto com gradiente animado ---- */
.gradient-animated {
  background: linear-gradient(120deg, var(--color-white), var(--color-wine-light), var(--color-white));
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradientShift 6s ease infinite;
}

/* ---- Ripple (feedback de clique) ---- */
.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  pointer-events: none;
  animation: rippleOut 650ms var(--ease-smooth);
}

/* ---- Tilt 3D (perspectiva no container, rotação via JS inline style) ---- */
.tilt {
  perspective: 1000px;
}

.tilt__inner {
  transition: transform var(--dur-fast) var(--ease-premium);
  transform-style: preserve-3d;
  will-change: transform;
}

/* ---- Loader de página ---- */
.page-loader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: grid;
  place-items: center;
  background: var(--color-black);
  transition: opacity var(--dur-slow) var(--ease-premium), visibility var(--dur-slow);
}

.page-loader.is-hidden {
  opacity: 0;
  visibility: hidden;
}

.page-loader__mark {
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: 0.08em;
  animation: pulseGlow 1.6s ease-in-out infinite;
}