/**
 * ═══════════════════════════════════════════════════════════════
 * SHADCN / REACTBITS SPLIT FLAP TEXT CSS
 * Mechanical Airport / Train Departure Board Character Flipping
 * ═══════════════════════════════════════════════════════════════
 */

.split-flap-text {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--split-flap-gap, 6px);
  color: var(--split-flap-text-color, #f8fafc);
  font-family: 'JetBrains Mono', 'SFMono-Regular', 'Roboto Mono', 'Cascadia Code', Menlo, monospace;
  font-size: var(--split-flap-font-size, 42px);
  font-weight: 800;
  -webkit-user-select: none;
  user-select: none;
  font-variant-numeric: tabular-nums;
  margin: 0 auto;
}

.split-flap-hero-size {
  --split-flap-font-size: clamp(20px, 3.2vw, 38px);
  --split-flap-tile-color: #0d1527;
  --split-flap-text-color: #38bdf8;
  --split-flap-radius: 8px;
  --split-flap-gap: 5px;
}

.split-flap-heading {
  --split-flap-font-size: clamp(20px, 3.4vw, 40px);
  --split-flap-tile-color: #080d1a;
  --split-flap-text-color: #ffffff;
  --split-flap-radius: 6px;
  --split-flap-gap: 3px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  row-gap: 14px;
  column-gap: 0;
  width: 100%;
  max-width: 980px;
  margin: 0 auto;
  text-align: center;
}

.split-flap-word {
  display: inline-flex;
  align-items: center;
  flex-wrap: nowrap;
  white-space: nowrap;
  gap: var(--split-flap-gap, 3px);
  margin: 3px 8px;
  flex-shrink: 0;
}

.split-flap-text__tile {
  position: relative;
  width: 0.8em;
  height: 1.15em;
  overflow: hidden;
  border-radius: var(--split-flap-radius, 6px);
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.18), transparent 44%),
    linear-gradient(
      180deg,
      #1b253b,
      var(--split-flap-tile-color, #080d1a)
    );
  box-shadow:
    0 0.035em 0.08em rgba(255, 255, 255, 0.14) inset,
    0 -0.05em 0.1em rgba(0, 0, 0, 0.65) inset,
    0 0.16em 0.38em rgba(0, 0, 0, 0.5);
  perspective: 520px;
  transform-style: preserve-3d;
  isolation: isolate;
  display: inline-block;
  flex-shrink: 0;
}

.split-flap-text__tile::before {
  content: '';
  position: absolute;
  z-index: 8;
  top: calc(50% - 0.5px);
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.22) 18%,
    rgba(0, 0, 0, 0.75) 50%,
    rgba(255, 255, 255, 0.18) 82%,
    transparent
  );
  box-shadow:
    0 -1px 0 rgba(255, 255, 255, 0.1),
    0 1px 0 rgba(0, 0, 0, 0.6);
  pointer-events: none;
}

.split-flap-text__tile::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 9;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: inherit;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.3) inset;
  pointer-events: none;
}

.split-flap-text__half,
.split-flap-text__flap {
  position: absolute;
  left: 0;
  width: 100%;
  height: 50%;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 34%), var(--split-flap-tile-color, #0b1120);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

.split-flap-text__half--top,
.split-flap-text__flap--front {
  top: 0;
}

.split-flap-text__half--bottom,
.split-flap-text__flap--back {
  bottom: 0;
}

.split-flap-text__half--bottom,
.split-flap-text__flap--back {
  background:
    linear-gradient(0deg, rgba(255, 255, 255, 0.06), transparent 38%),
    #050811;
}

.split-flap-text__char {
  position: absolute;
  left: 0;
  width: 100%;
  height: 200%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--split-flap-text-color, #f8fafc);
  text-shadow:
    0 0.025em 0 rgba(255, 255, 255, 0.18),
    0 0.09em 0.16em rgba(0, 0, 0, 0.6);
}

.split-flap-text__half--top .split-flap-text__char,
.split-flap-text__flap--front .split-flap-text__char {
  top: 0;
}

.split-flap-text__half--bottom .split-flap-text__char,
.split-flap-text__flap--back .split-flap-text__char {
  bottom: 0;
}

.split-flap-text__flap {
  z-index: 6;
  will-change: transform, filter;
  transform-style: preserve-3d;
}

.split-flap-text__flap--front {
  transform-origin: center bottom;
  animation: split-flap-front var(--split-flap-flip-duration, 0.12s) cubic-bezier(0.23, 1, 0.32, 1) both;
}

.split-flap-text__flap--back {
  transform-origin: center top;
  transform: rotateX(90deg);
  animation: split-flap-back var(--split-flap-flip-duration, 0.12s) cubic-bezier(0.23, 1, 0.32, 1) both;
}

@keyframes split-flap-front {
  0% {
    transform: rotateX(0deg);
    filter: brightness(1.08);
  }

  100% {
    transform: rotateX(-90deg);
    filter: brightness(0.52);
  }
}

@keyframes split-flap-back {
  0%,
  45% {
    transform: rotateX(90deg);
    filter: brightness(0.58);
  }

  100% {
    transform: rotateX(0deg);
    filter: brightness(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .split-flap-text__flap {
    animation: none !important;
  }
}