/* HOW TO — Animations */

/* ── ENTRANCE ANIMATIONS ── */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes scale-in {
  from { opacity: 0; transform: scale(.88); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes slide-right {
  from { opacity: 0; transform: translateX(-24px); }
  to   { opacity: 1; transform: translateX(0); }
}

.animate-fade-up  { opacity: 0; animation: fade-up .6s cubic-bezier(.4,0,.2,1) forwards; }
.animate-fade-in  { opacity: 0; animation: fade-in .5s ease forwards; }
.animate-scale-in { opacity: 0; animation: scale-in .4s cubic-bezier(.34,1.56,.64,1) forwards; }
.animate-slide-r  { opacity: 0; animation: slide-right .5s ease forwards; }

/* ── SCROLL REVEAL ── */
.reveal {
  opacity: 0; transform: translateY(32px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.revealed { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }
.reveal-delay-4 { transition-delay: .4s; }

/* ── STAGGER CHILDREN ── */
.stagger-children > * {
  opacity: 0; transform: translateY(20px);
  transition: opacity .5s ease, transform .5s ease;
}
.stagger-children.revealed > *:nth-child(1)  { opacity:1; transform:none; transition-delay:.05s; }
.stagger-children.revealed > *:nth-child(2)  { opacity:1; transform:none; transition-delay:.1s; }
.stagger-children.revealed > *:nth-child(3)  { opacity:1; transform:none; transition-delay:.15s; }
.stagger-children.revealed > *:nth-child(4)  { opacity:1; transform:none; transition-delay:.2s; }
.stagger-children.revealed > *:nth-child(5)  { opacity:1; transform:none; transition-delay:.25s; }
.stagger-children.revealed > *:nth-child(6)  { opacity:1; transform:none; transition-delay:.3s; }
.stagger-children.revealed > *:nth-child(7)  { opacity:1; transform:none; transition-delay:.35s; }
.stagger-children.revealed > *:nth-child(8)  { opacity:1; transform:none; transition-delay:.4s; }
.stagger-children.revealed > *:nth-child(n+9){ opacity:1; transform:none; transition-delay:.45s; }

/* ── HOVER MICRO ── */
.hover-lift { transition: transform .22s cubic-bezier(.4,0,.2,1), box-shadow .22s; }
.hover-lift:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,.1); }

.hover-glow:hover { box-shadow: 0 0 0 4px rgba(37,99,235,.2); }

/* ── RIPPLE ── */
.ripple { position: relative; overflow: hidden; }
.ripple-wave {
  position: absolute; border-radius: 50%;
  background: rgba(255,255,255,.3);
  transform: scale(0); animation: ripple-expand .6s linear;
  pointer-events: none;
}
@keyframes ripple-expand {
  to { transform: scale(4); opacity: 0; }
}

/* ── LOADING SPINNER ── */
.spinner {
  width: 20px; height: 20px; border-radius: 50%;
  border: 2px solid rgba(37,99,235,.2); border-top-color: var(--blue);
  animation: spin .7s linear infinite;
}
.spinner-lg { width: 36px; height: 36px; border-width: 3px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── PROGRESS BAR ── */
.progress-bar { height: 4px; background: var(--border); border-radius: 2px; overflow: hidden; }
.progress-fill { height: 100%; border-radius: 2px; background: linear-gradient(90deg, var(--blue), var(--cyan)); transition: width .4s ease; }

/* ── TYPEWRITER ── */
.typewriter::after {
  content: '|'; animation: blink 1s step-end infinite;
  color: var(--blue); font-weight: 300;
}
@keyframes blink { 0%,100%{opacity:1;} 50%{opacity:0;} }

/* ── FLOATING LABELS ── */
.float-label { position: relative; }
.float-label input:focus + label,
.float-label input:not(:placeholder-shown) + label {
  transform: translateY(-22px) scale(.82);
  color: var(--blue);
}
.float-label label {
  position: absolute; left: 16px; top: 13px;
  color: #94A3B8; font-size: 15px; pointer-events: none;
  transform-origin: left; transition: transform .2s, color .2s;
}

/* ── NUMBER COUNTER ── */
@keyframes count-up { from { opacity:0; transform:translateY(10px); } to { opacity:1; transform:none; } }
.counter-anim { animation: count-up .4s ease forwards; }

/* ── NOTIFICATION BADGE ── */
.notif-badge {
  position: absolute; top: -4px; right: -4px;
  width: 18px; height: 18px; border-radius: 50%;
  background: #EF4444; color: white; font-size: 10px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  border: 2px solid white; animation: badge-pop .3s cubic-bezier(.34,1.56,.64,1);
}
@keyframes badge-pop { from{transform:scale(0);} to{transform:scale(1);} }

/* ── REDUCED MOTION ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .hero-orb { animation: none; }
}