/* =====================================================================
   BM Eletrônicos — Abertura 3D da página inicial
   ===================================================================== */

html.bm-intro-ativa,
html.bm-intro-ativa body {
  overflow: hidden;
  height: 100%;
}

#bm-intro3d {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: radial-gradient(ellipse at center, #141416 0%, #0b0b0c 65%, #000 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  opacity: 1;
  transition: opacity 0.9s ease;
}

#bm-intro3d.bm-intro-saindo {
  opacity: 0;
  pointer-events: none;
}

#bm-intro3d canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

/* Logo em CSS puro (usada no modo 3D, sobreposta ao canvas, e sozinha no modo leve) */
.bm-intro-logo-wrap {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  opacity: 0;
  transform: scale(0.82) translateY(10px);
  transition: opacity 1.1s cubic-bezier(.2,.7,.2,1), transform 1.1s cubic-bezier(.2,.7,.2,1);
}

.bm-intro-logo-wrap.bm-mostrar {
  opacity: 1;
  transform: scale(1) translateY(0);
}

.bm-intro-logo-halo {
  position: absolute;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212,175,55,0.35) 0%, rgba(212,175,55,0) 70%);
  filter: blur(6px);
  animation: bmHaloPulsar 2.6s ease-in-out infinite;
}

@keyframes bmHaloPulsar {
  0%, 100% { transform: scale(0.94); opacity: 0.75; }
  50% { transform: scale(1.06); opacity: 1; }
}

.bm-intro-logo-img {
  position: relative;
  width: min(46vw, 190px);
  height: min(46vw, 190px);
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 0 2px rgba(212,175,55,0.55), 0 20px 60px rgba(0,0,0,0.6), 0 0 45px rgba(212,175,55,0.35);
}

.bm-intro-tagline {
  position: relative;
  color: var(--prata, #c9c9cf);
  font-family: var(--fonte-corpo, 'Inter', sans-serif);
  font-size: 13px;
  letter-spacing: 3px;
  text-transform: uppercase;
  opacity: 0.85;
  text-align: center;
}

.bm-intro-pular {
  position: absolute;
  right: 20px;
  bottom: 22px;
  z-index: 3;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(212,175,55,0.4);
  color: var(--branco, #f7f6f2);
  font-family: var(--fonte-corpo, 'Inter', sans-serif);
  font-size: 13px;
  padding: 8px 16px;
  border-radius: 999px;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.5s ease, background 0.2s ease;
  animation: bmPularFade 0.5s ease 0.6s forwards;
}

.bm-intro-pular:hover { background: rgba(212,175,55,0.18); }

@keyframes bmPularFade {
  to { opacity: 0.9; }
}

@media (max-width: 560px) {
  .bm-intro-logo-halo { width: 200px; height: 200px; }
  .bm-intro-tagline { font-size: 11px; letter-spacing: 2px; }
}

/* Respeita quem pede menos movimento: sem halo pulsante */
@media (prefers-reduced-motion: reduce) {
  .bm-intro-logo-halo { animation: none; }
  .bm-intro-logo-wrap { transition: opacity 0.6s ease; }
}