/* ============================================================
   Animations — ReservaTheus
   Mantém as keyframes existentes + adiciona novas utilitárias.
   Tudo respeita prefers-reduced-motion no bloco final.
   ============================================================ */

/* --- legadas (não remover) --- */
@keyframes fadeIn { from { opacity: 0 } to { opacity: 1 } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(12px) } to { opacity: 1; transform: none } }
@keyframes modalIn { from { opacity: 0; transform: translateY(20px) scale(0.98) } to { opacity: 1; transform: none } }
@keyframes toastIn { from { opacity: 0; transform: translateX(40px) } to { opacity: 1; transform: none } }
@keyframes shimmer { 0% { background-position: 200% 0 } 100% { background-position: -200% 0 } }
@keyframes meshDrift {
  0% { transform: translate3d(-2%, -2%, 0) scale(1); }
  50% { transform: translate3d(3%, 4%, 0) scale(1.05); }
  100% { transform: translate3d(-1%, 2%, 0) scale(1); }
}
@keyframes pulse { 0%,100% { opacity: 1 } 50% { opacity: 0.55 } }
@keyframes spin { to { transform: rotate(360deg) } }

/* --- novas: psicodélico profissional --- */
@keyframes gradientShift {
  0%   { background-position:   0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position:   0% 50%; }
}

@keyframes float3D {
  0%, 100% { transform: translate3d(0, 0, 0) rotateX(0deg) rotateY(0deg); }
  25%      { transform: translate3d(0, -6px, 0) rotateX(1.5deg) rotateY(-1deg); }
  50%      { transform: translate3d(0, -10px, 0) rotateX(0deg) rotateY(1.5deg); }
  75%      { transform: translate3d(0, -6px, 0) rotateX(-1.5deg) rotateY(0deg); }
}

@keyframes auroraDrift {
  0%   { transform: translate3d(-6%, -4%, 0) scale(1)    rotate(0deg);  filter: hue-rotate(0deg); }
  33%  { transform: translate3d( 4%,  5%, 0) scale(1.08) rotate(6deg);  filter: hue-rotate(12deg); }
  66%  { transform: translate3d(-2%,  3%, 0) scale(1.04) rotate(-4deg); filter: hue-rotate(-10deg); }
  100% { transform: translate3d(-6%, -4%, 0) scale(1)    rotate(0deg);  filter: hue-rotate(0deg); }
}

@keyframes shimmerText {
  0%   { background-position:   0% 50%; }
  100% { background-position: 300% 50%; }
}

@keyframes borderRotate {
  to { --border-angle: 360deg; }
}

@keyframes ctaPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(139,92,246,0.35), 0 10px 40px rgba(139,92,246,0.25); }
  50%      { box-shadow: 0 0 0 12px rgba(139,92,246,0),   0 14px 50px rgba(34,211,238,0.35); }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translate3d(-24px, 0, 0); }
  to   { opacity: 1; transform: none; }
}

@keyframes marqueeScroll {
  from { transform: translate3d(0, 0, 0); }
  to   { transform: translate3d(-50%, 0, 0); }
}

@keyframes tiltIdle {
  0%, 100% { transform: perspective(1200px) rotateX(0deg) rotateY(0deg); }
  50%      { transform: perspective(1200px) rotateX(1deg) rotateY(-1.5deg); }
}

/* --- classes utilitárias legadas --- */
.fade-up { animation: fadeUp 600ms cubic-bezier(.2,.7,.3,1) both; }
.fade-in { animation: fadeIn 400ms ease both; }
.delay-1 { animation-delay: 80ms; }
.delay-2 { animation-delay: 160ms; }
.delay-3 { animation-delay: 240ms; }
.delay-4 { animation-delay: 320ms; }
.delay-5 { animation-delay: 400ms; }

.reveal { opacity: 0; transform: translate3d(0, 20px, 0); transition: opacity 700ms ease, transform 700ms ease; will-change: transform, opacity; }
.reveal.visible { opacity: 1; transform: none; }

.spin { animation: spin 800ms linear infinite; }
.pulse { animation: pulse 1.6s ease-in-out infinite; }

.view-transition { animation: fadeUp 380ms cubic-bezier(.2,.7,.3,1) both; }

/* --- classes utilitárias novas --- */

/* Reveal com stagger no container */
.reveal-on-scroll {
  opacity: 0;
  transform: translate3d(0, 28px, 0);
  transition: opacity 820ms cubic-bezier(.2,.7,.3,1), transform 820ms cubic-bezier(.2,.7,.3,1);
  will-change: transform, opacity;
}
.reveal-on-scroll.is-visible { opacity: 1; transform: none; }

.stagger-children > * { opacity: 0; transform: translate3d(0, 22px, 0); transition: opacity 720ms cubic-bezier(.2,.7,.3,1), transform 720ms cubic-bezier(.2,.7,.3,1); will-change: transform, opacity; }
.stagger-children.is-visible > *            { opacity: 1; transform: none; }
.stagger-children.is-visible > *:nth-child(1) { transition-delay:   0ms; }
.stagger-children.is-visible > *:nth-child(2) { transition-delay:  80ms; }
.stagger-children.is-visible > *:nth-child(3) { transition-delay: 160ms; }
.stagger-children.is-visible > *:nth-child(4) { transition-delay: 240ms; }
.stagger-children.is-visible > *:nth-child(5) { transition-delay: 320ms; }
.stagger-children.is-visible > *:nth-child(6) { transition-delay: 400ms; }
.stagger-children.is-visible > *:nth-child(7) { transition-delay: 480ms; }
.stagger-children.is-visible > *:nth-child(8) { transition-delay: 560ms; }

/* Background aurora genérico */
.aurora-bg {
  position: absolute; inset: -10% -10% -10% -10%;
  background: var(--grad-deep);
  filter: blur(80px);
  animation: auroraDrift 28s ease-in-out infinite alternate;
  pointer-events: none;
  z-index: 0;
  will-change: transform, filter;
}

/* Shimmer em texto destacado */
.shimmer-text {
  background: linear-gradient(90deg, var(--text) 0%, var(--accent) 25%, var(--accent-2) 50%, var(--accent-3) 75%, var(--text) 100%);
  background-size: 300% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shimmerText 8s linear infinite;
}

/* Gradient title animado */
.gradient-title {
  background: var(--grad-prism);
  background-size: 280% 280%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradientShift 12s ease-in-out infinite;
}

/* Tilt 3D no hover (lógica em JS, só estilo aqui) */
.tilt-3d {
  transform-style: preserve-3d;
  transition: transform var(--t-med), box-shadow var(--t-med);
  will-change: transform;
}
.tilt-3d > * { transform: translateZ(0); }
.tilt-3d .tilt-layer { transform: translateZ(32px); transition: transform var(--t-med); }

/* Borda gradiente animada (conic-gradient com @property) */
.gradient-border {
  position: relative;
  z-index: 0;
  isolation: isolate;
}
.gradient-border::before {
  content: '';
  position: absolute; inset: 0;
  border-radius: inherit;
  padding: 1.5px;
  background: var(--grad-border-anim);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
          mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  animation: borderRotate 6s linear infinite;
  pointer-events: none;
  z-index: -1;
}

/* Float 3D sutil */
.float-3d { animation: float3D 8s ease-in-out infinite; will-change: transform; }

/* CTA pulsante */
.cta-pulse { animation: ctaPulse 3.6s ease-in-out infinite; }

/* Slide-in left (sidebar) */
.slide-in-left { animation: slideInLeft 520ms cubic-bezier(.2,.7,.3,1) both; }

/* === Respeita reduced motion === */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .aurora-bg,
  .gradient-title,
  .shimmer-text,
  .float-3d,
  .cta-pulse,
  .gradient-border::before {
    animation: none !important;
  }
  .reveal,
  .reveal-on-scroll,
  .stagger-children > * {
    opacity: 1 !important;
    transform: none !important;
  }
}