.intro-lock { overflow: hidden; }
.intro-overlay[hidden] { display: none !important; }

.intro-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 20% 20%, rgba(173, 199, 247, 0.45), transparent 35%),
    radial-gradient(circle at 82% 18%, rgba(174, 238, 203, 0.3), transparent 30%),
    linear-gradient(160deg, #081a32, #0d2749 60%, #123057);
  color: #fff;
}

.intro-panel {
  width: min(980px, calc(100% - 2rem));
  padding: 2rem;
  border-radius: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(7, 22, 42, 0.6);
  backdrop-filter: blur(12px);
}

.intro-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1.25rem; }
.intro-head h2 { margin: 0; font: 800 clamp(1.35rem, 3vw, 2rem) / 1.1 "Manrope", sans-serif; }
.intro-head p { margin: 0.5rem 0 0; color: rgba(255, 255, 255, 0.8); }
.intro-skip { border: 1px solid rgba(255, 255, 255, 0.4); border-radius: 999px; padding: 0.45rem 1rem; color: #fff; background: transparent; font-weight: 600; }

.intro-scene { display: grid; grid-template-columns: 0.75fr 1fr 0.75fr; gap: 1rem; }
.intro-card, .intro-reader, .intro-lock-box {
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 1.25rem;
  background: rgba(5, 17, 34, 0.75);
}

.intro-card { min-height: 180px; padding: 1rem; transform: translateX(-0.6rem); transition: transform 0.6s ease, opacity 0.35s ease; }
.intro-chip { width: 56px; height: 56px; border-radius: 0.9rem; background: linear-gradient(130deg, #aeeecb, #adc7f7); margin-bottom: 0.9rem; }
.intro-reader { min-height: 240px; position: relative; display: grid; place-items: center; }
.intro-screen {
  width: min(260px, 92%);
  aspect-ratio: 0.68;
  border-radius: 1.2rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: linear-gradient(180deg, rgba(27, 53, 86, 0.95), rgba(8, 22, 40, 0.95));
  position: relative;
  overflow: hidden;
}

.intro-scan-line {
  position: absolute;
  inset: 0;
  transform: translateY(-100%);
  background: linear-gradient(180deg, rgba(173, 199, 247, 0), rgba(173, 199, 247, 0.45), rgba(173, 199, 247, 0));
  opacity: 0;
}

.intro-lock-box { min-height: 180px; display: grid; place-items: center; }
.intro-lock-shape { width: 120px; height: 138px; position: relative; }
.intro-lock-handle, .intro-lock-body { position: absolute; left: 50%; transform: translateX(-50%); border: 3px solid rgba(174, 238, 203, 0.85); }
.intro-lock-handle { width: 72px; height: 70px; top: 0; border-bottom: 0; border-radius: 999px 999px 0 0; transform-origin: left bottom; transition: transform 0.6s ease; }
.intro-lock-body { width: 120px; height: 88px; bottom: 0; border-radius: 1rem; }
.intro-lock-text { position: absolute; inset: auto 0 18px; text-align: center; color: #aeeecb; font-size: 0.8rem; letter-spacing: 0.08em; }
.intro-progress { margin-top: 1rem; height: 6px; border-radius: 999px; background: rgba(255, 255, 255, 0.2); overflow: hidden; }
.intro-progress > span { display: block; width: 0%; height: 100%; background: linear-gradient(90deg, #aeeecb, #adc7f7); transition: width 0.45s ease; }

.intro-overlay[data-phase="scan"] .intro-card { transform: translateX(1.8rem); }
.intro-overlay[data-phase="scan"] .intro-scan-line { opacity: 1; animation: attenova-scan 0.9s ease forwards; }
.intro-overlay[data-phase="unlock"] .intro-lock-handle { transform: translateX(-50%) rotate(-30deg); }
.intro-overlay[data-phase="unlock"] .intro-lock-text { color: #fff; }
.intro-overlay[data-phase="done"] { opacity: 0; transition: opacity 0.4s ease; }
.intro-overlay[data-phase="ready"] .intro-progress > span { width: 32%; }
.intro-overlay[data-phase="scan"] .intro-progress > span { width: 66%; }
.intro-overlay[data-phase="unlock"] .intro-progress > span { width: 100%; }

.rfid-model-feature {
  border-radius: 1.2rem;
  background: linear-gradient(145deg, #ffffff, #f3f6fb);
  border: 1px solid rgba(69, 95, 136, 0.12);
  padding: 1rem;
}

.rfid-model-feature model-viewer { width: 100%; min-height: 360px; background: radial-gradient(circle at 24% 18%, #fdfefe, #f7f9fc 50%, #eef2f8); border-radius: 1rem; }
.rfid-model-meta { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-top: 0.75rem; }
.rfid-model-meta span { font-size: 0.78rem; padding: 0.35rem 0.7rem; border-radius: 999px; color: #2d476f; background: rgba(214, 227, 255, 0.7); }

[data-inquiry-form] [data-form-status] { display: none; border-radius: 0.75rem; padding: 0.75rem 0.9rem; font-size: 0.9rem; line-height: 1.4; }
[data-inquiry-form] [data-form-status].is-visible { display: block; }
[data-inquiry-form] [data-form-status].is-success { color: #1c6146; background: rgba(174, 238, 203, 0.45); border: 1px solid rgba(44, 105, 78, 0.2); }
[data-inquiry-form] [data-form-status].is-error { color: #8f2433; background: rgba(255, 218, 214, 0.75); border: 1px solid rgba(186, 26, 26, 0.2); }

.hp-field {
  position: absolute !important;
  left: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

@keyframes attenova-scan {
  from { transform: translateY(-100%); }
  to { transform: translateY(110%); }
}

@media (max-width: 900px) { .intro-scene { grid-template-columns: 1fr; } }

@media (prefers-reduced-motion: reduce) {
  .intro-overlay, .intro-card, .intro-scan-line, .intro-lock-handle, .intro-progress > span {
    transition: none !important;
    animation: none !important;
  }
}

.model-viewer-note {
  margin-top: 0.75rem;
  padding: 0.65rem 0.85rem;
  border-radius: 0.75rem;
  font-size: 0.85rem;
  color: #8f2433;
  background: rgba(255, 218, 214, 0.75);
  border: 1px solid rgba(186, 26, 26, 0.2);
}

.model-viewer-note.is-success {
  color: #1c6146;
  background: rgba(174, 238, 203, 0.45);
  border: 1px solid rgba(44, 105, 78, 0.2);
}

.model-viewer-note.is-error {
  color: #8f2433;
  background: rgba(255, 218, 214, 0.75);
  border: 1px solid rgba(186, 26, 26, 0.2);
}