/* === FASE 39E — PREMIUM GLASS COVERFLOW LIMPO === */

.bt-coverflow-on {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.bt-coverflow-original-hidden {
  display: none !important;
}

.bt-coverflow-stage-clean {
  position: relative;
  width: min(100%, 1120px);
  min-height: 460px;
  margin: 28px auto 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 1500px;
  overflow: visible;
}

.bt-coverflow-stage-clean::before {
  content: "";
  position: absolute;
  left: 10%;
  right: 10%;
  top: 18%;
  height: 330px;
  background:
    radial-gradient(circle at 50% 45%, rgba(72, 210, 255, .22), transparent 42%),
    radial-gradient(circle at 58% 54%, rgba(34, 197, 94, .16), transparent 44%);
  filter: blur(22px);
  z-index: 0;
}

.bt-coverflow-track-clean {
  position: relative;
  width: min(92vw, 860px);
  height: 380px;
  margin: 0 auto;
  transform-style: preserve-3d;
  z-index: 2;
}

.bt-coverflow-card-clean {
  position: absolute !important;
  left: 50% !important;
  top: 50% !important;
  width: clamp(245px, 25vw, 355px) !important;
  min-height: 350px !important;
  border-radius: 28px !important;
  overflow: hidden !important;
  transform-origin: center center !important;
  transition:
    transform .58s cubic-bezier(.2,.78,.18,1),
    opacity .45s ease,
    filter .45s ease,
    box-shadow .45s ease !important;
  pointer-events: none;
  opacity: 0;
  box-shadow: 0 20px 60px rgba(15, 23, 42, .20);
}

.bt-coverflow-card-clean.is-main {
  pointer-events: auto;
  opacity: 1;
  filter: blur(0) brightness(1.05) saturate(1.08);
  box-shadow:
    0 34px 90px rgba(15,23,42,.32),
    0 0 0 2px rgba(96,220,255,.28),
    0 0 48px rgba(34,197,94,.18);
}

.bt-coverflow-card-clean.is-side {
  opacity: .62;
  filter: blur(1px) brightness(.78) saturate(.82);
}

.bt-coverflow-card-clean.is-far {
  opacity: .24;
  filter: blur(2.5px) brightness(.62) saturate(.68);
}

.bt-coverflow-nav-clean {
  position: absolute;
  left: 50%;
  bottom: 34px;
  transform: translateX(-50%);
  z-index: 20;
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: center;
}

.bt-coverflow-btn-clean {
  width: 48px;
  height: 48px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.42);
  background: rgba(15, 23, 42, .84);
  color: #fff;
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 18px 40px rgba(15,23,42,.28);
}

.bt-coverflow-btn-clean:hover {
  transform: translateY(-2px);
}

.bt-coverflow-dots-clean {
  position: absolute;
  left: 50%;
  bottom: 92px;
  transform: translateX(-50%);
  z-index: 20;
  display: flex;
  justify-content: center;
  gap: 8px;
}

.bt-coverflow-dot-clean {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  border: 0;
  padding: 0;
  cursor: pointer;
  background: rgba(15,23,42,.22);
}

.bt-coverflow-dot-clean.is-active {
  width: 26px;
  background: linear-gradient(90deg, #2f80ed, #22c55e);
}

@media (max-width: 780px) {
  .bt-coverflow-stage-clean {
    min-height: 430px;
  }

  .bt-coverflow-track-clean {
    height: 360px;
  }

  .bt-coverflow-card-clean {
    width: min(78vw, 315px) !important;
    min-height: 330px !important;
  }

  .bt-coverflow-dots-clean {
    bottom: 86px;
  }
}

/* === FIM FASE 39E — PREMIUM GLASS COVERFLOW LIMPO === */