/* ── Keyframes ───────────────────────────────────────────── */

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

@keyframes float-slow {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50%       { transform: translateY(-8px) rotate(1deg); }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(37,99,235,0.15); }
  50%       { box-shadow: 0 0 40px rgba(37,99,235,0.3), 0 0 80px rgba(37,99,235,0.1); }
}

@keyframes slide-in-up {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slide-in-right {
  from { opacity: 0; transform: translateX(16px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes progress-fill {
  from { width: 0; }
  to   { width: var(--progress-width, 60%); }
}

@keyframes counter-up {
  from { transform: translateY(100%); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

@keyframes chain-step {
  from { opacity: 0; transform: scale(0.8); }
  to   { opacity: 1; transform: scale(1); }
}

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

@keyframes dot-bounce {
  0%, 80%, 100% { transform: scale(0); }
  40%            { transform: scale(1); }
}

@keyframes alert-slide {
  from { opacity: 0; transform: translateX(-12px); max-height: 0; }
  to   { opacity: 1; transform: translateX(0);     max-height: 80px; }
}

@keyframes number-change {
  0%   { transform: translateY(-100%); opacity: 0; }
  20%  { transform: translateY(0);     opacity: 1; }
  80%  { transform: translateY(0);     opacity: 1; }
  100% { transform: translateY(100%);  opacity: 0; }
}

@keyframes gradient-move {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes orbit {
  from { transform: rotate(0deg) translateX(60px) rotate(0deg); }
  to   { transform: rotate(360deg) translateX(60px) rotate(-360deg); }
}

/* ── Utility animation classes ───────────────────────────── */

.animate-float      { animation: float 4s ease-in-out infinite; }
.animate-float-slow { animation: float-slow 6s ease-in-out infinite; }
.animate-pulse-glow { animation: pulse-glow 3s ease-in-out infinite; }
.animate-fade-in    { animation: fade-in 0.5s ease forwards; }
.animate-slide-up   { animation: slide-in-up 0.4s ease forwards; }

.loading-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: dot-bounce 1.4s ease-in-out infinite both;
}
.loading-dot:nth-child(2) { animation-delay: 0.16s; }
.loading-dot:nth-child(3) { animation-delay: 0.32s; }

.shimmer {
  background: linear-gradient(90deg, var(--surface-2) 25%, var(--surface-3) 50%, var(--surface-2) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}