/* rune-unfold-v20260527c.css
 * Branded Deskrune rune cube. The visible cube faces use the same square,
 * slash, and hook geometry as the nav logo instead of random Rubik tiles.
 */

.hero-rune-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 26px;
  padding: 28px 0 10px;
}

.rune-stage-inner {
  --rune-edge: 280px;
  --rune-half: calc(var(--rune-edge) / 2);
  --rune-mark-inset: 2%;
  position: relative;
  width: var(--rune-edge);
  height: var(--rune-edge);
  min-height: var(--rune-edge);
  margin: 24px 0;
  perspective: 1200px;
  perspective-origin: 50% 42%;
  transform-style: preserve-3d;
  isolation: isolate;
  overflow: visible;
}

.rune-stage-inner::after {
  content: "";
  position: absolute;
  left: 14%;
  right: 14%;
  bottom: -28px;
  height: 44px;
  z-index: 0;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(20, 20, 14, 0.22), rgba(20, 20, 14, 0));
  filter: blur(10px);
  transform: rotateX(62deg);
}

@media (max-width: 760px) {
  .hero-rune-stage {
    gap: 18px;
    padding: 14px 0 8px;
  }

  .rune-stage-inner {
    --rune-edge: 184px;
    --rune-mark-inset: 3%;
    margin: 10px 0 18px;
  }
}

@media (max-width: 380px) {
  .rune-stage-inner {
    --rune-edge: 168px;
  }
}

.rune-cube {
  position: absolute;
  inset: 0;
  z-index: 1;
  transform-style: preserve-3d;
  transform-origin: 50% 50%;
  transform: rotateX(-17deg) rotateY(-31deg) rotateZ(0deg) scale(0.96);
  will-change: transform;
  animation: rune-cube-enter 720ms cubic-bezier(.16, 1, .3, 1) 0s 1 both;
}

@keyframes rune-cube-enter {
  from {
    opacity: 0;
    transform: rotateX(-12deg) rotateY(-18deg) rotateZ(0deg) scale(0.88);
  }
  to {
    opacity: 1;
    transform: rotateX(-17deg) rotateY(-31deg) rotateZ(0deg) scale(0.96);
  }
}

.rune-cube.is-settled {
  animation: rune-cube-idle 7400ms ease-in-out 0s infinite both;
  transform: rotateX(-18deg) rotateY(-35deg) rotateZ(0deg) scale(0.98);
  transition: transform 860ms cubic-bezier(.16, 1, .3, 1);
}

@keyframes rune-cube-idle {
  0%, 100% {
    transform: rotateX(-18deg) rotateY(-35deg) rotateZ(0deg) scale(0.98);
  }
  46% {
    transform: rotateX(-15deg) rotateY(-42deg) rotateZ(0.4deg) scale(1.00);
  }
}

.rune-face {
  position: absolute;
  inset: 0;
  box-sizing: border-box;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  gap: 5px;
  padding: 5px;
  border-radius: 7px;
  background: var(--ds-ink, #14140e);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.06),
    0 24px 58px -34px rgba(20, 20, 14, 0.42);
  backface-visibility: hidden;
  overflow: hidden;
}

.rune-face::before {
  content: "";
  position: absolute;
  inset: 5px;
  z-index: 2;
  border-radius: 4px;
  box-shadow: inset 0 0 0 1px rgba(20, 20, 14, 0.12);
  pointer-events: none;
}

.rune-face--front  { transform: translateZ(var(--rune-half)); }
.rune-face--back   { transform: translateZ(calc(var(--rune-half) * -1)) rotateY(180deg); }
.rune-face--right  { transform: rotateY(90deg) translateZ(var(--rune-half)); }
.rune-face--left   { transform: rotateY(-90deg) translateZ(var(--rune-half)); }
.rune-face--top    { transform: rotateX(90deg) translateZ(var(--rune-half)); }
.rune-face--bottom { transform: rotateX(-90deg) translateZ(var(--rune-half)); }

.rune-face--back,
.rune-face--left {
  filter: brightness(0.76) saturate(0.94);
}

.rune-face--right {
  filter: brightness(0.88) saturate(0.98);
}

.rune-face--top {
  filter: brightness(1.03);
}

.rune-face--bottom {
  filter: brightness(0.68) saturate(0.88);
}

.rune-tile {
  position: relative;
  z-index: 1;
  border-radius: 4px;
  background: var(--ds-paper, #faf7f2);
  box-shadow: inset 0 0 0 1px rgba(20, 20, 14, 0.08);
  transition:
    background 460ms cubic-bezier(.16, 1, .3, 1),
    transform 460ms cubic-bezier(.16, 1, .3, 1),
    opacity 460ms ease;
}

.rune-tile--clay { background: var(--ds-clay, #c9613f); }
.rune-tile--warm { background: var(--ds-paper-warm, #f7f1e3); }
.rune-tile--deep { background: #ece4d8; }
.rune-tile--muted { background: #d8d0c2; }

.rune-face-mark {
  position: absolute;
  top: var(--rune-mark-inset);
  left: var(--rune-mark-inset);
  right: auto;
  bottom: auto;
  z-index: 4;
  width: calc(100% - (var(--rune-mark-inset) * 2));
  height: calc(100% - (var(--rune-mark-inset) * 2));
  display: block;
  pointer-events: none;
  overflow: visible;
  filter: drop-shadow(0 2px 0 rgba(250, 247, 242, 0.54));
  opacity: 0.96;
  transition: opacity 280ms ease, transform 520ms cubic-bezier(.16, 1, .3, 1);
}

.rune-face-mark .rune-face-square {
  stroke: var(--ds-ink, #14140e);
  stroke-width: 1.85;
}

.rune-face-mark .rune-face-slash,
.rune-face-mark .rune-face-hook {
  stroke: var(--ds-clay, #c9613f);
  stroke-width: 2.05;
}

.rune-face-mark path,
.rune-face-mark line {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

.rune-stage-inner.is-deciphering .rune-face-mark {
  transform: scale(0.985);
}

.rune-cube.is-flat {
  animation: none !important;
  transform: rotateX(0deg) rotateY(0deg) rotateZ(0deg) scale(1) !important;
  transition: transform 760ms cubic-bezier(.16, 1, .3, 1) !important;
}

.rune-cube.is-flat .rune-face:not(.rune-face--front) {
  opacity: 0;
  transition: opacity 420ms ease;
}

.rune-cube.is-flat .rune-face--front {
  transform: translateZ(0) !important;
  background: transparent;
  box-shadow: 0 22px 52px -34px rgba(20, 20, 14, 0.30);
  transition:
    transform 760ms cubic-bezier(.16, 1, .3, 1),
    background 520ms ease;
}

.rune-cube.is-flat .rune-face-mark {
  opacity: 0;
}

.rune-cube.is-flat .rune-tile,
.rune-stage-inner.is-revealed .rune-cube .rune-tile {
  background: var(--ds-paper, #faf7f2) !important;
  opacity: 1;
  transform: none;
}

.rune-marks {
  position: absolute;
  inset: 5px;
  z-index: 5;
  pointer-events: none;
  opacity: 0;
  transition: opacity 360ms ease;
}

.rune-cube.is-flat ~ .rune-marks,
.rune-stage-inner.is-flat-revealed .rune-marks {
  opacity: 1;
}

.rune-marks svg {
  width: 100%;
  height: 100%;
  display: block;
}

.rune-marks path,
.rune-marks line {
  fill: none;
  stroke: var(--ds-clay, #c9613f);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
  transition: stroke-dashoffset 680ms cubic-bezier(.16, 1, .3, 1);
}

.rune-stage-inner.is-flat-revealed .rune-marks path,
.rune-stage-inner.is-flat-revealed .rune-marks line {
  stroke-dashoffset: 0;
}

.rune-marks .rune-square {
  stroke: var(--ds-ink, #14140e);
  transition-delay: 0ms;
}

.rune-marks .rune-slash {
  transition-delay: 120ms;
}

.rune-marks .rune-hook {
  transition-delay: 220ms;
}

.rune-explainer {
  text-align: center;
  max-width: 360px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 600ms ease, transform 600ms cubic-bezier(.16, 1, .3, 1);
}

.rune-explainer.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.rune-word {
  font-family: var(--ds-font-serif);
  font-weight: 500;
  font-size: clamp(20px, 2.2vw, 26px);
  letter-spacing: 0.08em;
  color: var(--ds-ink);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.rune-half {
  display: inline-flex;
  gap: 2px;
}

.rune-half span {
  display: inline-block;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 380ms ease, transform 380ms cubic-bezier(.16, 1, .3, 1);
}

.rune-half.is-visible span {
  opacity: 1;
  transform: translateY(0);
}

.rune-half.is-visible span:nth-child(1) { transition-delay: 0ms; }
.rune-half.is-visible span:nth-child(2) { transition-delay: 60ms; }
.rune-half.is-visible span:nth-child(3) { transition-delay: 120ms; }
.rune-half.is-visible span:nth-child(4) { transition-delay: 180ms; }

.rune-desk { color: var(--ds-ink); }
.rune-rune { color: var(--ds-clay); }

.rune-dot {
  color: var(--ds-ink-soft);
  font-size: 0.9em;
  margin: 0 2px;
}

.rune-defs {
  font-family: var(--ds-font-sans);
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--ds-ink-soft);
}

.rune-def {
  margin: 0;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 500ms ease, transform 500ms cubic-bezier(.16, 1, .3, 1);
}

.rune-def.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.rune-def + .rune-def {
  margin-top: 6px;
}

.rune-def--sum {
  font-family: var(--ds-font-serif);
  font-style: italic;
  font-size: 15px;
  line-height: 1.45;
  color: var(--ds-ink);
  margin-top: 12px !important;
  padding-top: 12px;
  border-top: 1px solid var(--ds-rule);
  max-width: 32ch;
  margin-left: auto;
  margin-right: auto;
}

.rune-replay {
  margin-top: 8px;
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: var(--ds-font-sans);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ds-ink-soft);
  padding: 6px 10px;
  border-radius: 4px;
  opacity: 0;
  transition: opacity 400ms ease, color 200ms ease;
}

.rune-explainer.is-visible .rune-replay {
  opacity: 0.72;
}

.rune-replay:hover {
  color: var(--ds-clay);
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  .rune-cube {
    animation: none !important;
    transform: rotateX(-16deg) rotateY(-32deg) !important;
  }

  .rune-cube .rune-tile {
    background: var(--ds-paper, #faf7f2) !important;
  }

  .rune-explainer,
  .rune-half span,
  .rune-def {
    opacity: 1 !important;
    transform: none !important;
  }
}