/* ============================================================
   RCB FAN WEBSITE — ANIMATIONS CSS
   Keyframes, transitions, particle effects
   ============================================================ */

/* ============================================================
   FIRE PARTICLE EFFECT (Hero)
   ============================================================ */
@keyframes fire-rise {
  0% {
    transform: translateY(0) scale(1) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translateY(-120px) scale(0.3) rotate(15deg);
    opacity: 0;
  }
}

.fire-particle {
  position: absolute;
  pointer-events: none;
  border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
  animation: fire-rise var(--duration, 2s) ease-out var(--delay, 0s) infinite;
}

/* ============================================================
   STADIUM SPOTLIGHT SWEEP
   ============================================================ */
@keyframes spotlight-sweep {
  0%, 100% { 
    clip-path: polygon(0 0, 20% 0, 30% 100%, 0% 100%);
    opacity: 0.06;
  }
  50% { 
    clip-path: polygon(70% 0, 100% 0, 100% 100%, 60% 100%);
    opacity: 0.1;
  }
}

/* ============================================================
   GLITCH EFFECT
   ============================================================ */
@keyframes glitch-1 {
  0%, 100% { clip-path: inset(0 0 100% 0); transform: translate(0); }
  20% { clip-path: inset(10% 0 80% 0); transform: translate(-3px, 2px); }
  40% { clip-path: inset(40% 0 40% 0); transform: translate(3px, -2px); }
  60% { clip-path: inset(60% 0 20% 0); transform: translate(-2px, 1px); }
  80% { clip-path: inset(80% 0 5% 0); transform: translate(2px, -1px); }
}

@keyframes glitch-2 {
  0%, 100% { clip-path: inset(0 0 100% 0); transform: translate(0); opacity: 0; }
  20% { clip-path: inset(10% 0 80% 0); transform: translate(3px, -2px); opacity: 0.8; }
  40% { clip-path: inset(40% 0 40% 0); transform: translate(-3px, 2px); opacity: 0.6; }
  60% { clip-path: inset(60% 0 20% 0); transform: translate(2px, -1px); opacity: 0.8; }
  80% { clip-path: inset(80% 0 5% 0); transform: translate(-2px, 1px); opacity: 0.6; }
}

.glitch-text {
  position: relative;
}

.glitch-text::before,
.glitch-text::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.glitch-text::before {
  color: var(--rcb-red);
  animation: glitch-1 5s infinite;
}

.glitch-text::after {
  color: var(--rcb-gold);
  animation: glitch-2 5s infinite;
}

/* ============================================================
   COUNT UP ANIMATION
   ============================================================ */
.count-up {
  display: inline-block;
}

/* ============================================================
   SHIMMER / SKELETON LOADING
   ============================================================ */
@keyframes shimmer {
  0% { background-position: -1000px 0; }
  100% { background-position: 1000px 0; }
}

.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-elevated) 0%,
    var(--bg-card-hover) 50%,
    var(--bg-elevated) 100%
  );
  background-size: 2000px 100%;
  animation: shimmer 2s infinite;
  border-radius: var(--radius-sm);
}

/* ============================================================
   TEXT REVEAL ANIMATION
   ============================================================ */
@keyframes text-reveal {
  from {
    opacity: 0;
    filter: blur(8px);
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0);
  }
}

.text-reveal {
  animation: text-reveal 0.8s ease forwards;
}

/* ============================================================
   BORDER GLOW ANIMATION
   ============================================================ */
@keyframes border-glow {
  0%, 100% { box-shadow: 0 0 10px var(--rcb-red-glow), inset 0 0 10px rgba(204, 0, 0, 0.05); }
  50% { box-shadow: 0 0 30px var(--rcb-red-glow), inset 0 0 20px rgba(204, 0, 0, 0.1); }
}

.border-glow-red {
  animation: border-glow 3s ease-in-out infinite;
}

@keyframes border-glow-gold {
  0%, 100% { box-shadow: 0 0 10px var(--rcb-gold-glow); }
  50% { box-shadow: 0 0 30px var(--rcb-gold-glow); }
}

.border-glow-gold {
  animation: border-glow-gold 3s ease-in-out infinite;
}

/* ============================================================
   FLOATING ANIMATION
   ============================================================ */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-12px); }
}

.float { animation: float 4s ease-in-out infinite; }
.float-delay-1 { animation: float 4s ease-in-out 1s infinite; }
.float-delay-2 { animation: float 4s ease-in-out 2s infinite; }

/* ============================================================
   ROTATE ANIMATION
   ============================================================ */
@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.spin-slow { animation: spin-slow 20s linear infinite; }

/* ============================================================
   SCALE PULSE
   ============================================================ */
@keyframes scale-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.scale-pulse { animation: scale-pulse 2s ease-in-out infinite; }

/* ============================================================
   HERO FLAME PARTICLES
   Generated dynamically by JS, these are the base styles
   ============================================================ */
.hero-ember {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  pointer-events: none;
}

/* ============================================================
   TROPHY SHINE
   ============================================================ */
@keyframes trophy-shine {
  0% { left: -100%; }
  50%, 100% { left: 200%; }
}

.trophy-shine::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 215, 0, 0.15),
    transparent
  );
  animation: trophy-shine 4s ease-in-out infinite;
}

/* ============================================================
   PAGE TRANSITION
   ============================================================ */
@keyframes page-fade-in {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-enter {
  animation: page-fade-in 0.5s ease both;
}

/* ============================================================
   BACKGROUND GRID PATTERN
   ============================================================ */
.bg-grid-pattern {
  background-image: 
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* ============================================================
   NOISE TEXTURE OVERLAY
   ============================================================ */
.noise-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  opacity: 0.03;
  pointer-events: none;
  z-index: 0;
}

/* ============================================================
   STAT COUNTER ANIMATION
   ============================================================ */
@keyframes counter-up {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.stat-counter {
  animation: counter-up 0.6s ease both;
}

/* ============================================================
   LINE DRAW ANIMATION
   ============================================================ */
@keyframes draw-line {
  from { width: 0; }
  to { width: 100%; }
}

.line-draw {
  animation: draw-line 1s ease forwards;
}

/* ============================================================
   CARD FLIP (Player card flip for more info)
   ============================================================ */
.flip-card {
  perspective: 1000px;
}

.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner {
  transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.flip-card-back {
  transform: rotateY(180deg);
  background: var(--bg-card-hover);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* ============================================================
   UNDERLINE ANIMATION
   ============================================================ */
.animated-underline {
  position: relative;
}

.animated-underline::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--rcb-red);
  transition: width var(--transition-medium);
}

.animated-underline:hover::after,
.animated-underline.active::after {
  width: 100%;
}

/* ============================================================
   PRELOADER ANIMATION
   ============================================================ */
@keyframes preloader-drop {
  0% { transform: translateY(-100px); opacity: 0; }
  60% { transform: translateY(8px); }
  80% { transform: translateY(-4px); }
  100% { transform: translateY(0); opacity: 1; }
}

/* ============================================================
   NEWS TICKER
   ============================================================ */
@keyframes ticker-scroll {
  0% { transform: translateX(100%); }
  100% { transform: translateX(-100%); }
}

.ticker-content {
  animation: ticker-scroll 30s linear infinite;
  white-space: nowrap;
}

.news-ticker {
  overflow: hidden;
  background: var(--rcb-red);
  padding: 8px 0;
  position: relative;
}

.news-ticker::before {
  content: 'BREAKING';
  background: var(--rcb-gold);
  color: #000;
  padding: 0 12px;
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.2em;
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  z-index: 2;
}