/* PROLAB motion system — wrappers, nav, reduced-motion. Visual identity unchanged. */

.line-mask {
  display: block;
  overflow: hidden;
  vertical-align: top;
}

.line-inner {
  display: block;
  will-change: transform;
}

.img-reveal {
  overflow: hidden;
}

.site-nav.is-nav-hidden {
  pointer-events: none;
}

.btn-magnetic {
  transition: background 0.3s ease, box-shadow 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.btn-magnetic:hover {
  transform: none;
}

.nav-mobile {
  transform-origin: top center;
}

.faq-item [data-faq-panel] {
  overflow: hidden;
}

[data-tilt] {
  transform-style: preserve-3d;
}

.carton-section {
  position: relative;
  background: #050706;
  overflow: hidden;
}

.carton-pin {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 120px 20px 72px;
  gap: 36px;
  position: relative;
}

.carton-copy {
  text-align: center;
  position: relative;
  z-index: 2;
}

.carton-hint {
  margin-top: 14px;
  color: #6f786f;
  font-family: "DM Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.carton-hint span {
  width: 7px;
  height: 18px;
  border: 1px solid rgba(98, 255, 99, 0.45);
  border-radius: 8px;
  position: relative;
}

.carton-hint span::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 3px;
  width: 2px;
  height: 5px;
  margin-left: -1px;
  background: #62ff63;
  border-radius: 2px;
  animation: carton-wheel 1.4s ease-in-out infinite;
}

@keyframes carton-wheel {
  0%, 100% { transform: translateY(0); opacity: 0.3; }
  50% { transform: translateY(6px); opacity: 1; }
}

.carton-stage {
  width: 100%;
  max-width: 1100px;
  min-height: clamp(220px, 38vw, 420px);
  perspective: 1600px;
  perspective-origin: 50% 45%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 3;
}

.carton-shadow {
  position: absolute;
  left: 50%;
  bottom: 8%;
  width: 62%;
  height: 28px;
  transform: translateX(-50%);
  background: radial-gradient(ellipse, rgba(0, 0, 0, 0.55) 0%, transparent 70%);
  filter: blur(8px);
  pointer-events: none;
}

.carton {
  --cw: min(90vw, 980px);
  --ch: calc(min(90vw, 980px) / 7.8);
  --cd: var(--ch);
  width: var(--cw);
  height: var(--ch);
  position: relative;
  transform-style: preserve-3d;
  transform: rotateX(-16deg) rotateY(22deg);
}

.carton-face {
  position: absolute;
  left: 50%;
  top: 50%;
  overflow: hidden;
  background: #050706;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  box-shadow: inset 0 0 0 1px rgba(98, 255, 99, 0.12);
}

.carton-face img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
  pointer-events: none;
}

.carton-front,
.carton-back {
  width: var(--cw);
  height: var(--ch);
  margin: calc(var(--ch) / -2) 0 0 calc(var(--cw) / -2);
}

.carton-top,
.carton-bottom {
  width: var(--cw);
  height: var(--cd);
  margin: calc(var(--cd) / -2) 0 0 calc(var(--cw) / -2);
}

.carton-left,
.carton-right {
  width: var(--cd);
  height: var(--ch);
  margin: calc(var(--ch) / -2) 0 0 calc(var(--cd) / -2);
  background:
    linear-gradient(180deg, rgba(98, 255, 99, 0.08), transparent 40%),
    #080b09;
}

.carton-front { transform: translateZ(calc(var(--cd) / 2)); }
.carton-back { transform: rotateY(180deg) translateZ(calc(var(--cd) / 2)); }
.carton-top { transform: rotateX(90deg) translateZ(calc(var(--ch) / 2)); }
.carton-bottom { transform: rotateX(-90deg) translateZ(calc(var(--ch) / 2)); }
.carton-left { transform: rotateY(-90deg) translateZ(calc(var(--cw) / 2)); }
.carton-right { transform: rotateY(90deg) translateZ(calc(var(--cw) / 2)); }

@media (max-width: 767px) {
  .carton-pin {
    padding: 108px 16px 56px;
    gap: 24px;
  }

  .carton-stage {
    min-height: 210px;
    perspective: 900px;
  }

  .carton {
    --cw: 92vw;
    --ch: calc(92vw / 7.8);
    --cd: var(--ch);
  }
}

@media (prefers-reduced-motion: reduce) {
  .carton-hint {
    opacity: 1;
  }

  .carton-hint span::after {
    animation: none;
  }
}

html.js-section-snap {
  scroll-behavior: auto;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .pulse-green,
  .animate-fade-in-up,
  .animate-fade-in {
    animation: none !important;
  }
}