/* ========================================
   VALHALLA GYM - Animations
   Micro-interactions & Transitions
   ======================================== */

/* ---------- Glow Pulse ---------- */
@keyframes glowPulse {
  0%, 100% {
    text-shadow: 0 0 10px rgba(255, 252, 0, 0.8), 0 0 30px rgba(255, 252, 0, 0.4), 0 0 60px rgba(255, 252, 0, 0.2);
  }
  50% {
    text-shadow: 0 0 20px rgba(255, 252, 0, 1), 0 0 40px rgba(255, 252, 0, 0.6), 0 0 80px rgba(255, 252, 0, 0.3);
  }
}

/* ---------- Float / Levitate ---------- */
@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-15px);
  }
}

/* ---------- Spin Entry ---------- */
@keyframes spinEntryLeft {
  0% {
    opacity: 0;
    transform: translateX(-100%) rotate(-360deg) scale(0.3);
  }
  60% {
    opacity: 1;
    transform: translateX(10%) rotate(20deg) scale(1.05);
  }
  80% {
    transform: translateX(-5%) rotate(-10deg) scale(0.98);
  }
  100% {
    opacity: 1;
    transform: translateX(0) rotate(0deg) scale(1);
  }
}

@keyframes spinEntryRight {
  0% {
    opacity: 0;
    transform: translateX(100%) rotate(360deg) scale(0.3);
  }
  60% {
    opacity: 1;
    transform: translateX(-10%) rotate(-20deg) scale(1.05);
  }
  80% {
    transform: translateX(5%) rotate(10deg) scale(0.98);
  }
  100% {
    opacity: 1;
    transform: translateX(0) rotate(0deg) scale(1);
  }
}

/* ---------- Fade In Up ---------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- Fade In ---------- */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ---------- Scale In ---------- */
@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ---------- Slide In Left ---------- */
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-60px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ---------- Slide In Right ---------- */
@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(60px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

/* ---------- Border Glow ---------- */
@keyframes borderGlow {
  0%, 100% {
    border-color: rgba(255, 252, 0, 0.3);
    box-shadow: 0 0 10px rgba(255, 252, 0, 0.1);
  }
  50% {
    border-color: rgba(255, 252, 0, 0.6);
    box-shadow: 0 0 20px rgba(255, 252, 0, 0.3);
  }
}

/* ---------- Rotate Continuous ---------- */
@keyframes rotateContinuous {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ---------- Viking Shield Spin ---------- */
@keyframes shieldSpin {
  0% {
    transform: scale(0) rotate(-180deg);
    opacity: 0;
  }
  70% {
    transform: scale(1.1) rotate(10deg);
    opacity: 1;
  }
  100% {
    transform: scale(1) rotate(0deg);
    opacity: 1;
  }
}

/* ---------- Animation Utility Classes ---------- */
.animate-glow {
  animation: glowPulse 3s ease-in-out infinite;
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

.animate-fade-in-up {
  animation: fadeInUp 0.8s ease-out forwards;
}

.animate-fade-in {
  animation: fadeIn 0.6s ease-out forwards;
}

.animate-scale-in {
  animation: scaleIn 0.5s ease-out forwards;
}

.animate-slide-left {
  animation: slideInLeft 0.7s ease-out forwards;
}

.animate-slide-right {
  animation: slideInRight 0.7s ease-out forwards;
}

.animate-spin-left {
  animation: spinEntryLeft 1s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.animate-spin-right {
  animation: spinEntryRight 1s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

/* ---------- Scroll Reveal (hidden by default) ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ---------- Stagger children ---------- */
.stagger-children > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0.1s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.2s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.3s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.4s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.5s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(6) { transition-delay: 0.6s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(7) { transition-delay: 0.7s; opacity: 1; transform: translateY(0); }