/* Full-page loader — Furomon logo + rings */

.page-loader {
  position: fixed;
  inset: 0;
  z-index: 100000;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  min-height: 100dvh;
  background: linear-gradient(165deg, #f4f7f8 0%, #e8eef0 45%, #dfe8ea 100%);
  transition: opacity 0.45s ease, visibility 0.45s ease;
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
}

.page-loader.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.page-loader__inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  padding: 24px;
}

.page-loader__visual {
  position: relative;
  width: 120px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-loader__ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 3px solid rgba(18, 34, 35, 0.1);
  border-top-color: #122223;
  border-right-color: #3d6b75;
  animation: page-loader-spin 1.1s linear infinite;
  -webkit-animation: page-loader-spin 1.1s linear infinite;
  will-change: transform;
}

.page-loader__ring--delay {
  inset: 10px;
  border-width: 2px;
  border-top-color: transparent;
  border-right-color: #3d6b75;
  opacity: 0.55;
  animation-duration: 1.6s;
  animation-direction: reverse;
  -webkit-animation-duration: 1.6s;
  -webkit-animation-direction: reverse;
}

.page-loader__logo {
  position: relative;
  z-index: 1;
  width: 72px;
  height: auto;
  max-height: 72px;
  object-fit: contain;
  animation: page-loader-pulse 1.8s ease-in-out infinite;
  -webkit-animation: page-loader-pulse 1.8s ease-in-out infinite;
  filter: drop-shadow(0 4px 12px rgba(18, 34, 35, 0.12));
}

.page-loader--wide .page-loader__logo {
  width: 140px;
  max-height: 56px;
}

.page-loader--icon .page-loader__visual {
  width: 108px;
  height: 108px;
}

.page-loader--icon .page-loader__logo {
  width: 64px;
  max-height: 64px;
}

.page-loader__label {
  margin: 0;
  font-family: "Jost", sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #5a7078;
}

.page-loader__dots {
  display: inline-flex;
  gap: 3px;
  margin-left: 4px;
}

.page-loader__dots span {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #3d6b75;
  animation: page-loader-dot 1.2s ease-in-out infinite;
  -webkit-animation: page-loader-dot 1.2s ease-in-out infinite;
}

.page-loader__dots span:nth-child(2) {
  animation-delay: 0.15s;
  -webkit-animation-delay: 0.15s;
}

.page-loader__dots span:nth-child(3) {
  animation-delay: 0.3s;
  -webkit-animation-delay: 0.3s;
}

@keyframes page-loader-spin {
  to {
    transform: rotate(360deg);
  }
}

@-webkit-keyframes page-loader-spin {
  to {
    -webkit-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}

@keyframes page-loader-pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }

  50% {
    transform: scale(1.04);
    opacity: 0.92;
  }
}

@-webkit-keyframes page-loader-pulse {
  0%,
  100% {
    -webkit-transform: scale(1);
    transform: scale(1);
    opacity: 1;
  }

  50% {
    -webkit-transform: scale(1.04);
    transform: scale(1.04);
    opacity: 0.92;
  }
}

@keyframes page-loader-dot {
  0%,
  80%,
  100% {
    opacity: 0.25;
    transform: translateY(0);
  }

  40% {
    opacity: 1;
    transform: translateY(-3px);
  }
}

@-webkit-keyframes page-loader-dot {
  0%,
  80%,
  100% {
    opacity: 0.25;
    -webkit-transform: translateY(0);
    transform: translateY(0);
  }

  40% {
    opacity: 1;
    -webkit-transform: translateY(-3px);
    transform: translateY(-3px);
  }
}

@media (max-width: 991px) {
  .page-loader {
    padding:
      env(safe-area-inset-top, 0px)
      env(safe-area-inset-right, 0px)
      env(safe-area-inset-bottom, 0px)
      env(safe-area-inset-left, 0px);
  }

  .page-loader--icon .page-loader__visual {
    width: 108px;
    height: 108px;
  }

  .page-loader--icon .page-loader__logo {
    width: 64px;
    max-height: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-loader__ring,
  .page-loader__logo,
  .page-loader__dots span {
    animation: none;
    -webkit-animation: none;
  }
}