/* ============================================
   OdeuMate Visual Effects — Theatrical Enhancements
   ============================================ */

/* ---- 1. Spotlight Hover Effect ---- */
.card--spotlight-hover {
  position: relative;
  overflow: hidden;
}

.card--spotlight-hover::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(232, 168, 56, 0.12) 0%,
    transparent 60%
  );
  opacity: 0;
  transition: opacity var(--transition-base, 250ms) ease;
  pointer-events: none;
  z-index: 0;
}

.card--spotlight-hover:hover::before {
  opacity: 1;
}

.card--spotlight-hover > * {
  position: relative;
  z-index: 1;
}

/* ---- 2. Curtain Reveal Animation ---- */
.curtain-reveal {
  position: relative;
  overflow: hidden;
}

.curtain-reveal::before,
.curtain-reveal::after {
  content: "";
  position: absolute;
  top: 0;
  width: 50%;
  height: 100%;
  background: var(--curtain, #8B1A2B);
  z-index: 2;
  transition: transform 0.8s cubic-bezier(0.77, 0, 0.175, 1);
}

.curtain-reveal::before {
  left: 0;
  transform: translateX(0);
}

.curtain-reveal::after {
  right: 0;
  transform: translateX(0);
}

.curtain-reveal.is-visible::before {
  transform: translateX(-100%);
}

.curtain-reveal.is-visible::after {
  transform: translateX(100%);
}

/* ---- 3. Shimmer / Glow Effect ---- */
.shimmer-gold {
  position: relative;
  overflow: hidden;
}

.shimmer-gold::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(232, 168, 56, 0.2),
    transparent
  );
  animation: shimmer 3s ease-in-out infinite;
  pointer-events: none;
}

@keyframes shimmer {
  0% { left: -100%; }
  100% { left: 200%; }
}

/* ---- 4. Stage Floor Reflection ---- */
.stage-reflection {
  position: relative;
}

.stage-reflection::after {
  content: "";
  position: absolute;
  bottom: -40%;
  left: 5%;
  width: 90%;
  height: 40%;
  background: inherit;
  transform: scaleY(-1);
  opacity: 0.08;
  filter: blur(4px);
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.3), transparent);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0.3), transparent);
  pointer-events: none;
}

/* ---- 5. Marquee Lights Border ---- */
.marquee-border {
  --dot-size: 6px;
  --dot-gap: 18px;
  --dot-color-on: var(--spotlight, #E8A838);
  --dot-color-off: rgba(232, 168, 56, 0.2);
  position: relative;
  border: 2px solid var(--charcoal, #1F2833);
  padding: calc(var(--dot-size) + 12px);
}

.marquee-border::before {
  content: "";
  position: absolute;
  inset: -1px;
  background-image:
    radial-gradient(circle var(--dot-size), var(--dot-color-on) 95%, transparent),
    radial-gradient(circle var(--dot-size), var(--dot-color-off) 95%, transparent);
  background-size:
    var(--dot-gap) var(--dot-gap),
    var(--dot-gap) var(--dot-gap);
  background-position:
    0 0,
    calc(var(--dot-gap) / 2) calc(var(--dot-gap) / 2);
  mask-image:
    linear-gradient(to right, #000 var(--dot-size), transparent var(--dot-size)),
    linear-gradient(to bottom, #000 var(--dot-size), transparent var(--dot-size)),
    linear-gradient(to left, #000 var(--dot-size), transparent var(--dot-size)),
    linear-gradient(to top, #000 var(--dot-size), transparent var(--dot-size));
  -webkit-mask-image:
    linear-gradient(to right, #000 var(--dot-size), transparent var(--dot-size)),
    linear-gradient(to bottom, #000 var(--dot-size), transparent var(--dot-size)),
    linear-gradient(to left, #000 var(--dot-size), transparent var(--dot-size)),
    linear-gradient(to top, #000 var(--dot-size), transparent var(--dot-size));
  mask-composite: add;
  -webkit-mask-composite: source-over;
  animation: marquee-chase 1.5s steps(2) infinite;
  pointer-events: none;
  border-radius: inherit;
}

@keyframes marquee-chase {
  50% {
    background-position:
      calc(var(--dot-gap) / 2) calc(var(--dot-gap) / 2),
      0 0;
  }
}

/* ---- 6. Floating Animation ---- */
.float-gentle {
  animation: float-gentle 4s ease-in-out infinite;
}

@keyframes float-gentle {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ---- 7. Fade In Up on Scroll ---- */
.fade-in-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.fade-in-up-stagger > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.fade-in-up-stagger.is-visible > *:nth-child(1) { transition-delay: 0ms; opacity: 1; transform: translateY(0); }
.fade-in-up-stagger.is-visible > *:nth-child(2) { transition-delay: 100ms; opacity: 1; transform: translateY(0); }
.fade-in-up-stagger.is-visible > *:nth-child(3) { transition-delay: 200ms; opacity: 1; transform: translateY(0); }
.fade-in-up-stagger.is-visible > *:nth-child(4) { transition-delay: 300ms; opacity: 1; transform: translateY(0); }
.fade-in-up-stagger.is-visible > *:nth-child(5) { transition-delay: 400ms; opacity: 1; transform: translateY(0); }
.fade-in-up-stagger.is-visible > *:nth-child(6) { transition-delay: 500ms; opacity: 1; transform: translateY(0); }

/* ---- 8. Gradient Text ---- */
.text-gradient-gold {
  background: linear-gradient(135deg, var(--spotlight, #E8A838), var(--amber, #F4C150));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---- Reduced Motion ---- */
@media (prefers-reduced-motion: reduce) {
  .shimmer-gold::after,
  .float-gentle,
  .marquee-border::before {
    animation: none;
  }

  .fade-in-up {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .fade-in-up-stagger > * {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .curtain-reveal::before,
  .curtain-reveal::after {
    transition-duration: 0.01ms;
  }
}

/* ---- Scroll Observer (add to page JS) ---- */
/*
  Include this script on your pages to trigger .is-visible:

  const observer = new IntersectionObserver((entries) => {
    entries.forEach(e => { if (e.isIntersecting) e.target.classList.add('is-visible'); });
  }, { threshold: 0.15 });
  document.querySelectorAll('.fade-in-up, .fade-in-up-stagger, .curtain-reveal')
    .forEach(el => observer.observe(el));
*/