/* ============================================
   ANIMATIONS — Streamer Prom
   ============================================ */

/* ---- PRELOADER ---- */
@keyframes disco-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
@keyframes preloader-fill {
  0%   { width: 0%; }
  50%  { width: 70%; }
  100% { width: 100%; }
}
@keyframes preloader-shine {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ---- HOLOGRAPHIC CHROME ---- */
@keyframes holo-shift {
  0%, 100% { background-position: 0% 50%; }
  50%      { background-position: 100% 50%; }
}

/* ---- HERO GRID DRIFT ---- */
@keyframes grid-drift {
  0%   { background-position: 0 0; }
  100% { background-position: 70px 70px; }
}

/* ---- HERO BEAM SWAY ---- */
@keyframes beam-sway {
  0%, 100% { transform: rotate(15deg); opacity: 0.4; }
  50%      { transform: rotate(8deg);  opacity: 0.6; }
}

/* ---- DISCO BALL FLOAT ---- */
@keyframes disco-float {
  0%, 100% { transform: translateY(0px); }
  50%      { transform: translateY(-18px); }
}

/* ---- HERO SCROLL INDICATOR ---- */
@keyframes scroll-pulse {
  0%, 100% {
    opacity: 1;
    transform: scaleY(1);
  }
  50% {
    opacity: 0.3;
    transform: scaleY(0.5);
    transform-origin: top;
  }
}

/* ---- MARQUEE SCROLL ---- */
@keyframes marquee-scroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ---- FLOATING PARTICLES (confetti / champagne bubbles) ---- */
@keyframes particle-float {
  0%, 100% {
    transform: translate(0, 0) rotate(0deg);
    opacity: 0;
  }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% {
    transform: translate(var(--tx), var(--ty)) rotate(360deg);
    opacity: 0;
  }
}
.particle {
  position: absolute;
  pointer-events: none;
  animation: particle-float var(--duration) var(--delay) ease-in-out infinite;
}
.particle--circle {
  border-radius: 50%;
}
.particle--star {
  background: none !important;
}

/* ---- SHIMMER SWEEP ---- */
@keyframes shimmer-sweep {
  0%   { left: -100%; }
  100% { left: 200%; }
}
@keyframes shimmer-line {
  0%   { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

/* ---- COUNT UP ---- */
@keyframes count-up {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---- GLOW PULSE ---- */
@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 0 20px var(--gold-glow); }
  50%      { box-shadow: 0 0 40px var(--gold-glow), 0 0 80px rgba(230, 194, 112, 0.15); }
}

/* ---- DIVIDER PULSE ---- */
@keyframes divider-pulse {
  0%, 100% {
    opacity: 1;
    filter: drop-shadow(0 0 8px var(--gold-glow));
  }
  50% {
    opacity: 0.6;
    filter: drop-shadow(0 0 20px var(--gold-glow));
  }
}

/* ---- TWINKLE STARS ---- */
@keyframes twinkle {
  0%, 100% { opacity: 0.2; transform: scale(0.8); }
  50%      { opacity: 1;   transform: scale(1.1); }
}
.twinkle {
  animation: twinkle var(--twinkle-duration, 3s) ease-in-out infinite;
  animation-delay: var(--twinkle-delay, 0s);
}

/* ---- POLAROID DROP ---- */
@keyframes polaroid-drop {
  from {
    opacity: 0;
    transform: translateY(-30px) rotate(0deg);
  }
  to {
    opacity: 1;
  }
}

/* ---- BAR GROW ---- */
@keyframes bar-grow {
  from { height: 0; }
}

/* ---- HOVER LIFT ---- */
.hover-lift {
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}
.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* ---- LIVE PULSE (broadcast indicator) ---- */
@keyframes live-pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.7);
  }
  50% {
    opacity: 0.85;
    transform: scale(1.15);
    box-shadow: 0 0 0 6px rgba(255, 255, 255, 0);
  }
}

/* ---- CONFETTI FALL ---- */
@keyframes confetti-fall {
  0% {
    transform: translateY(-10vh) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translateY(110vh) rotate(720deg);
    opacity: 0;
  }
}

/* ---- TEXT REVEAL UP ---- */
@keyframes text-reveal-up {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* ---- HERO TITLE PROM PULSE ---- */
@keyframes prom-pulse {
  0%, 100% {
    filter: drop-shadow(0 0 30px rgba(255, 255, 255, 0.15));
  }
  50% {
    filter: drop-shadow(0 0 50px rgba(255, 255, 255, 0.3));
  }
}
.text--holo.hero__title-prom {
  animation: holo-shift 8s ease-in-out infinite, prom-pulse 4s ease-in-out infinite;
}