/* ===========================
   ANIMATIONS CSS – ParaVolley Egypt
   =========================== */

/* ==============================
   VOLLEYBALL BOUNCE
   ============================== */
@keyframes volleyballBounce {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  25% { transform: translateY(-30px) rotate(90deg); }
  50% { transform: translateY(0) rotate(180deg); }
  75% { transform: translateY(-15px) rotate(270deg); }
}

@keyframes volleyballFloat {
  0%, 100% { transform: translateY(0) rotate(0deg) scale(1); }
  33% { transform: translateY(-20px) rotate(120deg) scale(1.05); }
  66% { transform: translateY(-8px) rotate(240deg) scale(0.98); }
}

@keyframes volleyballSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ==============================
   HERO ANIMATIONS
   ============================== */
@keyframes heroFadeUp {
  0% { opacity: 0; transform: translateY(60px); }
  100% { opacity: 1; transform: translateY(0); }
}

@keyframes heroShine {
  0% { background-position: 200% center; }
  100% { background-position: -200% center; }
}

@keyframes energyWave {
  0%, 100% { transform: scaleY(1) scaleX(1); }
  50% { transform: scaleY(1.05) scaleX(1.02); }
}

/* ==============================
   FADE IN EFFECTS
   ============================== */
@keyframes fadeInUp {
  0% { opacity: 0; transform: translateY(30px); }
  100% { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInLeft {
  0% { opacity: 0; transform: translateX(-40px); }
  100% { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInRight {
  0% { opacity: 0; transform: translateX(40px); }
  100% { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInScale {
  0% { opacity: 0; transform: scale(0.85); }
  100% { opacity: 1; transform: scale(1); }
}

@keyframes slideDown {
  0% { opacity: 0; transform: translateY(-20px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* ==============================
   GLOW / PULSE
   ============================== */
@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 20px rgba(212, 175, 55, 0.3); }
  50% { box-shadow: 0 0 50px rgba(212, 175, 55, 0.7), 0 0 100px rgba(212, 175, 55, 0.3); }
}

@keyframes blueGlow {
  0%, 100% { box-shadow: 0 0 20px rgba(200, 16, 46, 0.3); }
  50% { box-shadow: 0 0 50px rgba(200, 16, 46, 0.6), 0 0 80px rgba(200, 16, 46, 0.2); }
}

@keyframes ringPulse {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(2.5); opacity: 0; }
}

/* ==============================
   GRADIENT SHIFT
   ============================== */
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ==============================
   FLOATING ELEMENTS
   ============================== */
@keyframes float1 {
  0%, 100% { transform: translateY(0) translateX(0) rotate(0deg); }
  25% { transform: translateY(-20px) translateX(10px) rotate(5deg); }
  50% { transform: translateY(-10px) translateX(-5px) rotate(-3deg); }
  75% { transform: translateY(-25px) translateX(5px) rotate(8deg); }
}

@keyframes float2 {
  0%, 100% { transform: translateY(0) translateX(0); }
  33% { transform: translateY(-15px) translateX(-8px); }
  66% { transform: translateY(-8px) translateX(12px); }
}

@keyframes float3 {
  0%, 100% { transform: scale(1) rotate(0deg); }
  50% { transform: scale(1.08) rotate(5deg); }
}

/* ==============================
   COUNTER
   ============================== */
@keyframes countUp {
  0% { opacity: 0; transform: translateY(20px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* ==============================
   SHIMMER
   ============================== */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.shimmer-text {
  background: linear-gradient(
    90deg,
    var(--dark) 0%,
    var(--royal-blue) 25%,
    var(--gold) 50%,
    var(--royal-blue) 75%,
    var(--dark) 100%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 4s linear infinite;
}

/* ==============================
   PARALLAX CIRCLES (decorative)
   ============================== */
.deco-circle {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

.deco-circle-1 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0,87,184,0.07) 0%, transparent 70%);
  top: -100px;
  left: -100px;
  animation: float1 12s ease-in-out infinite;
}

.deco-circle-2 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(212,175,55,0.08) 0%, transparent 70%);
  bottom: 10%;
  right: -50px;
  animation: float2 15s ease-in-out infinite;
}

.deco-circle-3 {
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(0,87,184,0.05) 0%, transparent 70%);
  top: 50%;
  left: 30%;
  animation: float3 8s ease-in-out infinite;
}

/* ==============================
   HOVER BALL BOUNCE EFFECT
   ============================== */
.hover-bounce {
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.hover-bounce:hover {
  transform: translateY(-8px) scale(1.05);
}

/* ==============================
   ENERGY LINES
   ============================== */
.energy-lines {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.energy-line {
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,87,184,0.15), transparent);
  animation: energyLineMove 6s ease-in-out infinite;
}

.energy-line:nth-child(1) {
  top: 20%;
  left: -100%;
  width: 60%;
  animation-delay: 0s;
}

.energy-line:nth-child(2) {
  top: 50%;
  right: -100%;
  width: 40%;
  animation-delay: 2s;
  animation-direction: reverse;
}

.energy-line:nth-child(3) {
  top: 75%;
  left: -100%;
  width: 50%;
  animation-delay: 4s;
}

@keyframes energyLineMove {
  0% { transform: translateX(0); opacity: 0; }
  20% { opacity: 1; }
  80% { opacity: 1; }
  100% { transform: translateX(300%); opacity: 0; }
}

/* ==============================
   ANIMATED VOLLEYBALL (floating across hero)
   ============================== */
.floating-ball {
  position: absolute;
  font-size: 48px;
  pointer-events: none;
  z-index: 1;
  filter: drop-shadow(0 8px 20px rgba(0,0,0,0.25));
}

.floating-ball-1 {
  top: 15%;
  right: 10%;
  animation: volleyballFloat 6s ease-in-out infinite;
}

.floating-ball-2 {
  bottom: 25%;
  left: 8%;
  animation: volleyballFloat 8s ease-in-out infinite reverse;
  font-size: 32px;
  opacity: 0.6;
}

.floating-ball-3 {
  top: 60%;
  right: 25%;
  animation: volleyballFloat 10s ease-in-out infinite;
  font-size: 24px;
  opacity: 0.4;
}

/* ==============================
   LOADING SPINNER
   ============================== */
@keyframes spin {
  to { transform: rotate(360deg); }
}

.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid rgba(0,87,184,0.2);
  border-top-color: var(--royal-blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* ==============================
   PAGE TRANSITION
   ============================== */
.page-transition {
  animation: fadeInScale 0.4s ease forwards;
}

/* ==============================
   MEDAL ANIMATION
   ============================== */
@keyframes medalDrop {
  0% { transform: translateY(-30px) scale(0.8) rotate(-10deg); opacity: 0; }
  60% { transform: translateY(5px) scale(1.05) rotate(2deg); opacity: 1; }
  100% { transform: translateY(0) scale(1) rotate(0deg); opacity: 1; }
}

.medal-drop {
  animation: medalDrop 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

/* ==============================
   HOVER GRADIENT BUTTON
   ============================== */
.btn-animated {
  background-size: 200% auto;
  background-position: right center;
  transition: background-position 0.4s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-animated:hover {
  background-position: left center;
  transform: translateY(-2px);
}

/* ==============================
   UNDERLINE GROW
   ============================== */
.underline-grow {
  position: relative;
}

.underline-grow::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  right: 50%;
  height: 2px;
  background: var(--gold);
  transition: left 0.3s ease, right 0.3s ease;
}

.underline-grow:hover::after {
  left: 0;
  right: 0;
}

/* ==============================
   STAGGER REVEAL DELAY
   ============================== */
.delay-100 { transition-delay: 0.1s !important; }
.delay-200 { transition-delay: 0.2s !important; }
.delay-300 { transition-delay: 0.3s !important; }
.delay-400 { transition-delay: 0.4s !important; }
.delay-500 { transition-delay: 0.5s !important; }
.delay-600 { transition-delay: 0.6s !important; }
.delay-700 { transition-delay: 0.7s !important; }
.delay-800 { transition-delay: 0.8s !important; }

/* ==============================
   SCROLL PROGRESS BAR (top)
   ============================== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--royal-blue), var(--gold));
  z-index: 9999;
  width: 0%;
  transition: width 0.1s linear;
}