/* =====================================================
   CrownScore stage background  (stage.css)
   Spotlight beams + gold sparkles + stage-floor glow.
   Used by every page together with stage.js:
     <link rel="stylesheet" href="stage.css">   (after nav.css)
     <script src="stage.js"></script>           (end of <body>)
   ===================================================== */

/* ===== Stage background ===== */
.stage-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 50% 0%, #2b2410 0%, transparent 65%),
    radial-gradient(ellipse at 50% 110%, rgba(212, 175, 55, 0.22), transparent 60%),
    #141414;
}

/* Spotlight beams that sweep slowly like a pageant stage */
.beam {
  position: absolute;
  top: -5%;
  width: 38vw;
  height: 125vh;
  margin-left: -19vw;
  transform-origin: 50% 0;
  clip-path: polygon(46% 0, 54% 0, 100% 100%, 0 100%);
  background: linear-gradient(
    to bottom,
    rgba(255, 232, 150, 0.34),
    rgba(255, 232, 150, 0.08) 65%,
    transparent
  );
  filter: blur(6px);
  mix-blend-mode: screen;
  animation: sway var(--dur) ease-in-out infinite alternate;
}

.beam-1 { left: 14%; --from: -20deg; --to: -4deg; --dur: 9s; }
.beam-2 { left: 50%; --from: -9deg;  --to: 9deg;  --dur: 12s; opacity: 0.85; }
.beam-3 { left: 86%; --from: 4deg;   --to: 20deg; --dur: 10s; }

@keyframes sway {
  from { transform: rotate(var(--from)); }
  to   { transform: rotate(var(--to)); }
}

/* Soft golden glow on the stage floor */
.stage-floor {
  position: absolute;
  left: 50%;
  bottom: -18vh;
  width: 90vw;
  height: 36vh;
  transform: translateX(-50%);
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(212, 175, 55, 0.35), transparent 68%);
}

/* Gold sparkles (created by the small script in CrownScore.html) */
.sparkles {
  position: absolute;
  inset: 0;
}

.sparkle {
  position: absolute;
  width: var(--s);
  height: var(--s);
  background: #f4d77c;
  clip-path: polygon(50% 0, 62% 38%, 100% 50%, 62% 62%, 50% 100%, 38% 62%, 0 50%, 38% 38%);
  opacity: 0;
  animation: twinkle var(--d) ease-in-out var(--delay) infinite;
}

@keyframes twinkle {
  0%, 100% { opacity: 0;   transform: translateY(0) scale(0.4); }
  50%      { opacity: 0.9; transform: translateY(-18px) scale(1); }
}

/* ===== Phones: one centered beam is enough ===== */
@media (max-width: 760px) {
  .beam {
    width: 70vw;
    margin-left: -35vw;
  }

  .beam-1,
  .beam-3 {
    display: none;
  }
}

/* ===== Respect reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
  .beam,
  .sparkle {
    animation: none;
  }

  .sparkle {
    opacity: 0.5;
  }
}