.loader {
  --ld-ink: #fff;
  --ld-muted: rgba(255, 255, 255, 0.42);
  --ld-border: rgba(255, 255, 255, 0.35);
  --ld-display: 'Oswald', sans-serif;
  --ld-mono: 'Space Mono', monospace;

  position: fixed;
  inset: 0;
  z-index: 99999;
  pointer-events: all;
  overflow: hidden;
}

body.loader-active {
  overflow: hidden;
}

.loader__content {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
  background: #000;
}

.loader__meta {
  font-family: var(--ld-mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ld-muted);
  margin-bottom: 1.5rem;
}

.loader__decode {
  font-family: var(--ld-display);
  font-size: clamp(3.5rem, 14vw, 10rem);
  font-weight: 500;
  line-height: 0.85;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  min-height: 0.85em;
  font-variant-numeric: tabular-nums;
}

.loader__decode.is-locked {
  letter-spacing: -0.02em;
}

.loader__role {
  margin-top: 1rem;
  font-family: var(--ld-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ld-muted);
  opacity: 0;
}

.loader__role.is-visible {
  animation: loader-role-in 0.2s steps(2) forwards;
}

@keyframes loader-role-in {
  to { opacity: 1; }
}

.loader__scan {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: #fff;
  box-shadow: 0 0 18px rgba(255, 255, 255, 0.65);
  opacity: 0;
  top: 0;
}

.loader__scan.is-active {
  animation: loader-scan-down 1.1s steps(14) forwards;
}

@keyframes loader-scan-down {
  0% { opacity: 1; top: 12%; }
  100% { opacity: 1; top: 88%; }
}

.loader__stamp {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(2.2) rotate(-14deg);
  opacity: 0;
  padding: 0.55rem 1.1rem;
  border: 3px solid var(--ld-ink);
  font-family: var(--ld-display);
  font-size: clamp(2rem, 8vw, 5rem);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ld-ink);
  mix-blend-mode: difference;
  pointer-events: none;
}

.loader__stamp.is-hit {
  animation: loader-stamp 0.35s steps(3) forwards;
}

@keyframes loader-stamp {
  0% { opacity: 0; transform: translate(-50%, -50%) scale(2.4) rotate(-18deg); }
  100% { opacity: 1; transform: translate(-50%, -50%) scale(1) rotate(-8deg); }
}

.loader__shutters {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  pointer-events: none;
}

.loader__shutter {
  flex: 1;
  background: #000;
  border-right: 1px solid rgba(255, 255, 255, 0.05);
  transform: translateY(0);
  will-change: transform;
}

.loader__shutter:last-child {
  border-right: none;
}

.loader.is-exit .loader__content {
  animation: loader-content-out 0.15s steps(2) forwards;
}

@keyframes loader-content-out {
  to { opacity: 0; }
}

.loader.is-exit .loader__shutter {
  animation: loader-shutter-up 0.55s steps(6) forwards;
}

@keyframes loader-shutter-up {
  to { transform: translateY(-105%); }
}

.loader.is-done {
  visibility: hidden;
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  .loader {
    display: none !important;
  }
}