/* ═══════════════════════════════════════════
   KEYFRAME ANIMATIONS
═══════════════════════════════════════════ */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-28px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(28px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes heroZoom {
  from { transform: scale(1.05); }
  to { transform: scale(1.12); }
}

@keyframes scrollBounce {
  0%, 100% {
    transform: translateY(0);
    opacity: 0.6;
  }
  50% {
    transform: translateY(12px);
    opacity: 1;
  }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

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

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-12px); }
}

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

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes borderGrow {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

@keyframes lineGrow {
  from { transform: scaleY(0); transform-origin: top; }
  to { transform: scaleY(1); transform-origin: top; }
}

/* ═══════════════════════════════════════════
   SCROLL REVEAL
═══════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.65s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.65s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.65s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.65s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.65s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.65s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.65s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.65s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-scale.active {
  opacity: 1;
  transform: scale(1);
}

/* Stagger delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }
.delay-7 { transition-delay: 0.7s; }
.delay-8 { transition-delay: 0.8s; }

/* ═══════════════════════════════════════════
   UTILITY ANIMATIONS
═══════════════════════════════════════════ */
.animate-float { animation: float 4s ease-in-out infinite; }
.animate-pulse { animation: pulse 2s ease-in-out infinite; }

/* Loading skeleton */
.skeleton {
  background: linear-gradient(
    90deg,
    rgba(0,0,0,0.06) 25%,
    rgba(0,0,0,0.12) 37%,
    rgba(0,0,0,0.06) 63%
  );
  background-size: 400% 100%;
  animation: shimmer 1.4s ease infinite;
  border-radius: var(--radius-md);
}

/* Counter number animation */
.counter-value {
  display: inline-block;
  transition: transform 0.3s ease;
}

/* Underline slide */
.link-underline {
  position: relative;
  display: inline-block;
}

.link-underline::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-normal);
}

.link-underline:hover::after { width: 100%; }

/* Spin loader */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: var(--color-white);
  border-radius: 50%;
  animation: rotateSlow 0.7s linear infinite;
  display: none;
}

.spinner.visible { display: inline-block; }

/* Page transition */
.page-enter {
  animation: fadeIn 0.4s ease both;
}

/* Hover lift (utility class) */
.hover-lift {
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}
.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* Red glow pulse */
.glow-red {
  animation: glowPulse 2s ease-in-out infinite;
}

@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 20px rgba(204,20,20,0.3); }
  50% { box-shadow: 0 0 40px rgba(204,20,20,0.6); }
}

/* Number counter animation */
@keyframes countUp {
  from { content: '0'; }
  to { content: attr(data-target); }
}

/* Gradient text animation */
.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% auto;
  animation: gradientShift 3s ease infinite alternate;
}

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

/* Notification badge */
.badge-ping {
  position: relative;
}

.badge-ping::before {
  content: '';
  position: absolute;
  top: -2px;
  right: -2px;
  width: 10px;
  height: 10px;
  background: var(--color-primary);
  border-radius: 50%;
  animation: ping 1.5s ease-out infinite;
}

@keyframes ping {
  0% { transform: scale(1); opacity: 1; }
  75%, 100% { transform: scale(2.2); opacity: 0; }
}