/* 체험 데모 화면 */
.demo { padding: 28px 0 40px; }
.demo-head h1 { font-size: clamp(28px, 4vw, 42px); }
.chapters { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 18px; }
.chapters button { font: inherit; font-size: 14px; font-weight: 800; padding: 7px 14px; border-radius: 999px; border: 2px solid var(--green); background: var(--white); color: var(--green); cursor: pointer; }
.chapters button[aria-current="true"] { background: var(--green); color: var(--ivory); }
.stage { margin: 0; }
.stage[hidden] { display: none; }
.window { border: 3px solid var(--green); border-radius: 18px; overflow: hidden; background: #fff; box-shadow: 10px 10px 0 var(--green); }
.window .dots { height: 36px; background: var(--green); display: flex; gap: 8px; align-items: center; padding: 0 14px; }
.window .dots i { width: 12px; height: 12px; border-radius: 50%; background: var(--ivory); }
.window .chip { margin-left: 10px; color: var(--ivory); font-size: 14px; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.screen { position: relative; }
.screen img { width: 100%; aspect-ratio: 16 / 9; }
.spot { position: absolute; border: 3px solid var(--terra); border-radius: 10px; box-shadow: 0 0 0 9999px rgba(31, 61, 43, .28); animation: pulse 1.6s ease-in-out infinite; pointer-events: none; }
@keyframes pulse { 50% { border-color: #ffb68a; } }
@media (prefers-reduced-motion: reduce) { .spot { animation: none; } }
.caption { display: grid; grid-template-columns: auto 1fr auto; gap: 16px; align-items: center; margin-top: 22px; background: var(--white); border: 2px solid var(--green); border-radius: 16px; padding: 14px 18px; }
.caption .count { margin: 0; font-weight: 900; color: var(--terra); white-space: nowrap; }
.caption .line { margin: 0; font-size: 19px; font-weight: 700; }
.controls { display: flex; gap: 8px; }
.controls .btn { padding: 12px 18px; font-size: 16px; }
.controls .btn:disabled { opacity: .4; cursor: default; }
.demo-end { padding: 36px 0 12px; scroll-margin-top: 80px; }
.demo-end[hidden] { display: none; }
.receipt-mini { background: var(--white); border: 2px solid var(--green); border-radius: 16px; padding: 14px 18px; max-width: 560px; margin: 16px 0 22px; }
.receipt-mini p { display: flex; justify-content: space-between; gap: 12px; margin: 4px 0; }
.receipt-mini .was { color: var(--muted); }
.receipt-mini .benefit { color: var(--terra); font-weight: 800; }
.receipt-mini .deal { font-size: 22px; font-weight: 900; border-top: 2px solid var(--green); padding-top: 8px; margin-top: 8px; }
.receipt-mini .deal b { color: var(--terra); font-size: 30px; }
.receipt-mini .fine { display: block; }
.cta-row { display: flex; flex-wrap: wrap; gap: 10px; }
@media (max-width: 720px) {
  .caption { grid-template-columns: 1fr; }
  .controls .btn { flex: 1; }
  .window .chip { font-size: 12px; }
  .demo-page .brand span { display: none; }
}