body.is-loading { overflow: hidden; }

.loader {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 28px;
  padding: 24px 16px;
  background: var(--page) url("../assets/topo.svg") center / cover;
  color: var(--bone);
  transition: transform 0.7s cubic-bezier(0.7, 0, 0.3, 1);
}

.loader.is-done { transform: translateY(-100%); }

.loader-mark {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(56px, 13vw, 150px);
  line-height: 1;
  color: var(--orange);
  filter: url(#warp);
}

.loader-bar {
  width: min(360px, 100%);
  height: 14px;
  border: var(--line) solid var(--bone);
  overflow: hidden;
}
.loader-bar span {
  display: block;
  width: 30%;
  height: 100%;
  background: var(--orange);
  animation: slide 1.1s ease-in-out infinite alternate;
}
@keyframes slide { to { transform: translateX(233%); } }

.loader-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 26px;
  font-size: 17px;
  letter-spacing: 0.06em;
}

.loader-steps li {
  display: flex;
  align-items: center;
  gap: 10px;
  opacity: 0.6;
  filter: url(#warp-sm);
}

.loader-steps li::before {
  content: "";
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: 2px solid var(--bone);
}

.loader-steps li.is-active { opacity: 1; }
.loader-steps li.is-active::before {
  background: var(--led);
  border-color: var(--led);
  animation: led 1s steps(1) infinite;
}
.loader-steps li.is-done { opacity: 1; }
.loader-steps li.is-done::before {
  background: var(--led);
  border-color: var(--led);
  box-shadow: 0 0 8px var(--led);
}
@keyframes led { 50% { opacity: 0; } }

.loader-note:empty { display: none; }

.loader-note {
  margin: 0;
  text-align: center;
  font-family: var(--font-text);
  font-size: 14px;
  filter: url(#warp-xs);
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.loader.is-failed .loader-bar span,
.loader.is-failed li::before { animation: none; }
.loader.is-failed .loader-note { color: var(--led); }

@media (prefers-reduced-motion: reduce) {
  .loader-bar span,
  .loader-steps li::before { animation: none; }
  .loader { transition: opacity 0.3s; }
  .loader.is-done { transform: none; opacity: 0; }
}

@media (max-width: 640px) {
  .loader-steps { font-size: 15px; gap: 8px 18px; }
}