.petra-preloader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at center, rgba(67, 112, 93, 0.12), transparent 42%),
    #030303;
  opacity: 1;
  visibility: visible;
  pointer-events: all;
  transition: opacity 0.65s ease, visibility 0.65s ease;
}

.petra-preloader::before,
.petra-preloader::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.petra-preloader::before {
  background:
    radial-gradient(circle at 50% 50%, rgba(111, 183, 148, 0.12), transparent 18%),
    radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.04), transparent 34%);
  filter: blur(14px);
  opacity: 0.95;
  animation: petraPreloaderGlow 2.8s ease-in-out infinite;
}

.petra-preloader::after {
  background:
    linear-gradient(120deg, transparent 36%, rgba(255, 255, 255, 0.04) 50%, transparent 64%);
  transform: translateX(-24%);
  animation: petraPreloaderSweep 2.6s ease-in-out infinite;
  mix-blend-mode: screen;
}

.petra-preloader__stage {
  position: relative;
  display: grid;
  place-items: center;
  gap: 18px;
  padding: 28px;
}

.petra-preloader__ring {
  position: absolute;
  inset: 50%;
  width: 184px;
  height: 184px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-top-color: rgba(111, 183, 148, 0.88);
  border-right-color: rgba(255, 255, 255, 0.18);
  transform: translate(-50%, -50%);
  box-shadow: 0 0 32px rgba(111, 183, 148, 0.18);
  animation: petraPreloaderSpin 1.25s linear infinite;
}

.petra-preloader__logo {
  position: relative;
  width: clamp(160px, 19vw, 248px);
  height: auto;
  display: block;
  filter: brightness(0) invert(1) drop-shadow(0 0 18px rgba(255, 255, 255, 0.16));
  transform-origin: center;
  animation: petraPreloaderLogo 1.8s ease-in-out infinite alternate;
}

body.petra-preloader-ready .petra-preloader {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

@keyframes petraPreloaderSpin {
  from {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

@keyframes petraPreloaderLogo {
  from {
    transform: translateY(0) scale(0.98);
    opacity: 0.84;
  }
  to {
    transform: translateY(-6px) scale(1.02);
    opacity: 1;
  }
}

@keyframes petraPreloaderGlow {
  0%,
  100% {
    opacity: 0.7;
    transform: scale(0.98);
  }
  50% {
    opacity: 1;
    transform: scale(1.03);
  }
}

@keyframes petraPreloaderSweep {
  0% {
    transform: translateX(-36%);
    opacity: 0;
  }
  25% {
    opacity: 0.24;
  }
  50% {
    opacity: 0.12;
  }
  100% {
    transform: translateX(36%);
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .petra-preloader,
  .petra-preloader::before,
  .petra-preloader::after,
  .petra-preloader__ring,
  .petra-preloader__logo {
    animation: none !important;
    transition: none !important;
  }
}