:root{
  --font-serif: "Libre Baskerville", "Times New Roman", Times, serif;

  --gold: rgba(214,182,111,.95);
  --gold-soft: rgba(214,182,111,.35);
  --gold-soft2: rgba(214,182,111,.20);

  --ui-blur: 10px;

  --ink: #434243;
  --ink-strong: rgba(67,66,67,0.92);

  --rule: rgba(0,0,0,0.08);
}

/* =========================
   Base
   ========================= */
html, body{
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: #000;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.hidden{ display: none !important; }

.app{ width: 100vw; height: 100vh; }
.stage{ position: absolute; inset: 0; }

/* =========================
   Video
   ========================= */
.video-bg{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* =========================
   UI overlay
   ========================= */
.ui{
  position: absolute;
  inset: 0;
  z-index: 10;
  pointer-events: none;
}

/* Bottom-right buttons */
.book-cta, .next-cta{
  pointer-events: auto;
  position: absolute;
  right: 24px;
  bottom: 18px;

  background: none;
  border: none;
  padding: 0;

  font-family: var(--font-serif);
  font-size: 26px;
  letter-spacing: .16em;

  color: var(--gold);
  cursor: pointer;

  text-shadow:
    0 0 10px var(--gold-soft),
    0 0 28px var(--gold-soft2);

  transition: transform .2s ease, letter-spacing .2s ease, opacity .2s ease;
}

.book-cta:hover, .next-cta:hover{
  transform: translateY(-1px);
  letter-spacing: .22em;
}

.next-cta{
  bottom: 52px;
  font-size: 24px;
  opacity: .92;
}

/* =========================
   Bottom bar for slider
   ========================= */
.bottom-bar{
  pointer-events: auto;
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;

  padding: 18px 26px 20px;
  background: rgba(0,0,0,.18);
  border-top: 1px solid rgba(255,255,255,.10);

  backdrop-filter: blur(var(--ui-blur));
  -webkit-backdrop-filter: blur(var(--ui-blur));
}

.bar-title{
  text-align: left;
  margin-bottom: 10px;

  font-family: var(--font-serif);
  font-size: 18px;
  letter-spacing: .10em;
  color: var(--gold);
}

.slider{
  width: 100%;
  -webkit-appearance: none;
  appearance: none;

  height: 4px;
  background: rgba(255,255,255,0.35);
  border-radius: 999px;
  outline: none;
}

.slider::-webkit-slider-thumb{
  -webkit-appearance: none;
  appearance: none;

  width: 18px;
  height: 18px;
  border-radius: 50%;

  background: #ffe9a9;
  box-shadow: 0 0 10px rgba(255,233,169,0.55);
  cursor: pointer;
}

.slider::-moz-range-thumb{
  width: 18px;
  height: 18px;
  border: none;
  border-radius: 50%;
  background: #ffe9a9;
  box-shadow: 0 0 10px rgba(255,233,169,0.55);
  cursor: pointer;
}

.ticks{
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
  padding: 0 4px;

  font-family: var(--font-serif);
  font-size: 16px;
  letter-spacing: .10em;
  color: rgba(255,255,255,.78);
}

/* =========================
   Firefly dots overlay
   ========================= */
.firefly-layer{
  position: absolute;
  inset: 0;
  z-index: 9;            
  pointer-events: none;  
}

#stage2[hidden] .firefly-layer{ display: none !important; }

.firefly-dot{
  position: absolute;
  pointer-events: auto;

  width: var(--s, 22px);
  height: var(--s, 22px);
  border-radius: 999px;
  border: none;

  background: radial-gradient(circle,
    rgba(255, 233, 169, 0.95) 0%,
    rgba(255, 233, 169, 0.55) 35%,
    rgba(255, 233, 169, 0.18) 60%,
    rgba(255, 233, 169, 0.00) 78%
  );

  cursor: pointer;
  transform: translate(-50%, -50%);
  opacity: 0.35;
  filter: blur(0.9px);

  animation: fireflyFlicker var(--dur, 6s) infinite ease-in-out;
  animation-delay: var(--delay, 0s);

  transition: opacity .15s ease, transform .15s ease, filter .15s ease;
}

.firefly-dot:hover{
  opacity: 1.6;
  transform: translate(-50%, -50%) scale(1.45);
  filter: blur(0.35px);
}

.firefly-dot::after{
  content: "click!";
  position: absolute;
  left: 50%;
  top: calc(100% + 7px);
  transform: translateX(-50%);

  font-family: var(--font-serif);
  font-size: 18px;             
  font-weight: 800;            
  letter-spacing: .04em;       
  color: #d6b66f;

 
  -webkit-text-stroke: 0.35px rgba(0,0,0,.35);

 
  text-shadow: 0 1px 1px rgba(0,0,0,.35);

  opacity: .9;
  pointer-events: none;
  white-space: nowrap;
}

@keyframes fireflyFlicker{
  0%   { opacity: 0.18; }
  45%  { opacity: 0.18; }
  55%  { opacity: 0.85; }
  65%  { opacity: 0.32; }
  78%  { opacity: 0.75; }
  100% { opacity: 0.22; }
}
.info-card{
  position: fixed;
  inset: 0;
  z-index: 999999;
  display: grid;
  place-items: center;

 
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}

.info-sheet{
  position: relative;
  width: min(940px, 88vw);

  border: 2px solid rgba(214,182,111,0.85);
  border-radius: 2px;
  overflow: hidden;

  box-shadow:
    0 28px 60px rgba(0, 0, 0, 0.22),
    0 6px 12px rgba(0, 0, 0, 0.10);

  color: var(--ink);
}

.info-sheet::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 15% 10%, rgba(0,0,0,0.02), transparent 55%),
    radial-gradient(circle at 85% 30%, rgba(0,0,0,0.015), transparent 55%),
    radial-gradient(circle at 35% 85%, rgba(0,0,0,0.015), transparent 55%);
  pointer-events:none;
  mix-blend-mode:multiply;
  opacity:.30;
}

.info-close{
  position:absolute;
  right: 16px;
  top: 12px;
  border: none;
  background: transparent;
  cursor: pointer;

  font-family: var(--font-serif);
  font-size: 24px;
  line-height: 1;

  color: rgba(0,0,0,0.35);
}
.info-close:hover{ color: rgba(0,0,0,0.55); }

.info-header{
  padding: 18px 22px 6px;
}

.info-title{
  font-family: var(--font-serif);
  font-size: 34px; 
  font-weight: 400;
  letter-spacing: 0.005em;
  color: var(--ink-strong);
}

.info-rule{
  margin-top: 10px;
  height: 1px;
  background: var(--rule);
}

.info-grid{
  display: grid;
  grid-template-columns: 44% 56%;
  gap: 18px;
  padding: 14px 22px 20px;
}

/* left */
.info-left{
  display: grid;
  place-items: center;
  padding: 8px 6px;
}

.info-illust{
  width: min(360px, 92%);
  height: auto;
  display: block;
  object-fit: contain; 
  background: transparent;
}

/* right */
.info-right{
  padding: 0 6px 0 6px;
}

.info-row{
  display: block;
  padding: 14px 0;
}

.info-label,
.info-text{
  display: inline;
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 1.25;
  color: var(--ink);
}

.info-label{
  color: var(--ink-strong);
  font-weight: 600;
  margin-right: 10px;
  white-space: normal;
}

.info-text{
  font-weight: 400;
  word-break: normal;
  overflow-wrap: anywhere;
}

.info-divider{
  height: 0.7px;
  background: var(--rule);
  width: 55%;          
  margin: 8px 0;  
}

/* =========================
   Card themes (4 stages)
   ========================= */
.info-sheet.theme-0-25{ background: #ffffff; }
.info-sheet.theme-25-50{ background: #576D94; }
.info-sheet.theme-50-75{ background: #253380; }

.info-sheet.theme-75-100{
  background: #002242;
  border-color: rgba(214,182,111,0.90);
}


.info-sheet.theme-25-50 .info-title,
.info-sheet.theme-25-50 .info-label,
.info-sheet.theme-25-50 .info-text,

.info-sheet.theme-50-75 .info-title,
.info-sheet.theme-50-75 .info-label,
.info-sheet.theme-50-75 .info-text,

.info-sheet.theme-75-100 .info-title,
.info-sheet.theme-75-100 .info-label,
.info-sheet.theme-75-100 .info-text{
  color: rgba(255,255,255,0.90);
}

.info-sheet.theme-25-50 .info-rule,
.info-sheet.theme-25-50 .info-divider,
.info-sheet.theme-50-75 .info-rule,
.info-sheet.theme-50-75 .info-divider,
.info-sheet.theme-75-100 .info-rule,
.info-sheet.theme-75-100 .info-divider{
  background: rgba(255,255,255,0.16);
}

.info-sheet.theme-25-50 .info-close,
.info-sheet.theme-50-75 .info-close,
.info-sheet.theme-75-100 .info-close{
  color: rgba(255,255,255,0.55);
}

.info-sheet.theme-25-50 .info-close:hover,
.info-sheet.theme-50-75 .info-close:hover,
.info-sheet.theme-75-100 .info-close:hover{
  color: rgba(255,255,255,0.80);
}

/* responsive */
@media (max-width: 900px){
  .info-sheet{ width: min(720px, 92vw); }
  .info-title{ font-size: 34px; }
  .info-grid{ grid-template-columns: 1fr; }
  .info-label, .info-text{ font-size: 18px; }
}