/* Menu button → flipbook transition */
.vivace-menu-transition {
  position: fixed;
  inset: 0;
  z-index: 100000;
  pointer-events: none;
  visibility: hidden;
  overflow: hidden;
}

.vivace-menu-transition.is-active {
  pointer-events: auto;
  visibility: visible;
}

.vivace-menu-transition__curtain {
  position: absolute;
  inset: 0;
  background: #1a1a1a;
  clip-path: circle(0% at var(--origin-x, 50%) var(--origin-y, 50%));
  transition: clip-path 0.95s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: clip-path;
}

.vivace-menu-transition.is-active .vivace-menu-transition__curtain {
  clip-path: circle(var(--cover-radius, 150%) at var(--origin-x, 50%) var(--origin-y, 50%));
}

.vivace-menu-transition__logo {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.94);
  display: flex;
  align-items: center;
  justify-content: center;
  width: min(52vw, 16rem);
  opacity: 0;
  transition:
    opacity 0.55s cubic-bezier(0.22, 1, 0.36, 1) 0.32s,
    transform 0.55s cubic-bezier(0.22, 1, 0.36, 1) 0.32s;
}

.vivace-menu-transition.is-active .vivace-menu-transition__logo {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.vivace-menu-transition.is-holding .vivace-menu-transition__curtain {
  transition: none;
  clip-path: circle(var(--cover-radius, 150%) at var(--origin-x, 50%) var(--origin-y, 50%));
}

.vivace-menu-transition.is-holding .vivace-menu-transition__logo {
  transition: none;
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.vivace-menu-transition.is-leaving .vivace-menu-transition__curtain {
  clip-path: circle(0% at var(--origin-x, 50%) var(--origin-y, 50%));
  transition: clip-path 0.85s cubic-bezier(0.4, 0, 0.2, 1);
}

.vivace-menu-transition.is-leaving .vivace-menu-transition__logo {
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.96);
  transition:
    opacity 0.35s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.vivace-menu-transition__logo-wrap {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.vivace-menu-transition__logo img {
  display: block;
  width: 100%;
  height: auto;
  filter: brightness(0) saturate(100%) invert(93%) sepia(12%) saturate(426%)
    hue-rotate(358deg) brightness(103%) contrast(96%);
}

.vivace-menu-transition__shine {
  position: absolute;
  top: -20%;
  left: -120%;
  width: 45%;
  height: 140%;
  background: linear-gradient(
    105deg,
    transparent 0%,
    rgba(255, 255, 255, 0.08) 35%,
    rgba(255, 255, 255, 0.45) 48%,
    rgba(255, 255, 255, 0.85) 50%,
    rgba(255, 255, 255, 0.45) 52%,
    rgba(255, 255, 255, 0.08) 65%,
    transparent 100%
  );
  transform: skewX(-18deg);
  mix-blend-mode: soft-light;
  pointer-events: none;
  animation: vivaceMenuShine 2.2s cubic-bezier(0.4, 0, 0.2, 1) 0.75s infinite;
}

@keyframes vivaceMenuShine {
  0% {
    left: -120%;
  }
  100% {
    left: 180%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .vivace-menu-transition__curtain {
    transition: none;
    clip-path: none;
  }

  .vivace-menu-transition.is-active .vivace-menu-transition__curtain {
    clip-path: none;
  }

  .vivace-menu-transition__logo {
    transition: none;
  }

  .vivace-menu-transition__shine {
    display: none;
  }
}