/* ============================================
   ANIMATIONS — Keyframes & Transitions
   ============================================ */

/* ---- Pulse Effects ---- */
@keyframes pulse-critical {
  0%, 100% { box-shadow: 0 0 5px rgba(240, 82, 69, 0.4); }
  50% { box-shadow: 0 0 20px rgba(240, 82, 69, 0.6), 0 0 40px rgba(240, 82, 69, 0.2); }
}

@keyframes pulse-warning {
  0%, 100% { box-shadow: 0 0 5px rgba(251, 180, 101, 0.3); }
  50% { box-shadow: 0 0 15px rgba(251, 180, 101, 0.4), 0 0 30px rgba(251, 180, 101, 0.15); }
}

@keyframes pulse-stable {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: var(--glow-blue); }
  50% { box-shadow: var(--glow-blue-strong); }
}

/* ---- Slide Animations ---- */
@keyframes slideInRight {
  from { transform: translateX(30px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes slideInLeft {
  from { transform: translateX(-30px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes slideInUp {
  from { transform: translateY(30px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

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

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

@keyframes fadeInScale {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

/* ---- Modal ---- */
@keyframes modalIn {
  from { opacity: 0; transform: scale(0.9) translateY(20px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

/* ---- Card Alert Flash ---- */
@keyframes card-alert {
  0% { transform: scale(1); }
  25% { transform: scale(1.02); }
  50% { transform: scale(1); }
  75% { transform: scale(1.01); }
  100% { transform: scale(1); }
}

/* ---- Data Update Flash ---- */
@keyframes value-update {
  0% { background: transparent; }
  30% { background: rgba(148, 199, 214, 0.2); }
  100% { background: transparent; }
}

@keyframes value-alert {
  0% { background: transparent; }
  30% { background: rgba(240, 82, 69, 0.2); }
  100% { background: transparent; }
}

/* ---- Typing / Scanning Effect ---- */
@keyframes scan-line {
  0% { top: 0%; }
  100% { top: 100%; }
}

/* ---- Particle Drift ---- */
@keyframes float {
  0%, 100% { transform: translateY(0) translateX(0); }
  25% { transform: translateY(-10px) translateX(5px); }
  50% { transform: translateY(-5px) translateX(-3px); }
  75% { transform: translateY(-15px) translateX(2px); }
}

/* ---- Counter Roll ---- */
@keyframes countUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---- Heartbeat for vital indicators ---- */
@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  15% { transform: scale(1.15); }
  30% { transform: scale(1); }
  45% { transform: scale(1.1); }
  60% { transform: scale(1); }
}

/* ---- Pathway dot travel ---- */
@keyframes dot-pulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  50% { transform: translate(-50%, -50%) scale(1.3); }
}

/* ---- Scroll-triggered reveal classes ---- */
/* Elements start visible; JS adds .reveal-ready to body, then
   IntersectionObserver adds .visible to animate in */
.reveal-ready .reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.reveal-ready .reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.reveal-ready .reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Staggered children */
.stagger-children .reveal:nth-child(1) { transition-delay: 0ms; }
.stagger-children .reveal:nth-child(2) { transition-delay: 100ms; }
.stagger-children .reveal:nth-child(3) { transition-delay: 200ms; }
.stagger-children .reveal:nth-child(4) { transition-delay: 300ms; }
.stagger-children .reveal:nth-child(5) { transition-delay: 400ms; }
.stagger-children .reveal:nth-child(6) { transition-delay: 500ms; }
.stagger-children .reveal:nth-child(7) { transition-delay: 600ms; }
.stagger-children .reveal:nth-child(8) { transition-delay: 700ms; }
.stagger-children .reveal:nth-child(9) { transition-delay: 800ms; }
.stagger-children .reveal:nth-child(10) { transition-delay: 900ms; }
.stagger-children .reveal:nth-child(11) { transition-delay: 1000ms; }
.stagger-children .reveal:nth-child(12) { transition-delay: 1100ms; }