/* =========================================================
   ANIMATIONS — loading screen, scroll reveals, micro-interactions
   ========================================================= */

/* ---------- Full-screen loader ---------- */
#app-loader {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-5);
  background: var(--color-bg);
  transition: opacity var(--dur-slow) var(--ease-out), visibility var(--dur-slow);
}
#app-loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }

#app-loader .loader-chakra {
  width: 72px; height: 72px;
  color: var(--color-red);
  animation: chakra-spin 1.4s linear infinite;
}
#app-loader .loader-text {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-dim);
}
#app-loader .loader-bar {
  width: 160px; height: 2px;
  background: var(--color-surface-border);
  overflow: hidden;
  border-radius: var(--radius-pill);
}
#app-loader .loader-bar span {
  display: block;
  height: 100%;
  width: 40%;
  background: var(--gradient-red);
  animation: loader-sweep 1.1s ease-in-out infinite;
}
@keyframes loader-sweep {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(350%); }
}

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
}
.reveal.in-view { opacity: 1; transform: translateY(0); }

.reveal-stagger.in-view > * { animation: stagger-in 600ms var(--ease-out) both; }
.reveal-stagger.in-view > *:nth-child(1) { animation-delay: 0ms; }
.reveal-stagger.in-view > *:nth-child(2) { animation-delay: 70ms; }
.reveal-stagger.in-view > *:nth-child(3) { animation-delay: 140ms; }
.reveal-stagger.in-view > *:nth-child(4) { animation-delay: 210ms; }
.reveal-stagger.in-view > *:nth-child(5) { animation-delay: 280ms; }
.reveal-stagger.in-view > *:nth-child(6) { animation-delay: 350ms; }
@keyframes stagger-in {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Hero entrance ---------- */
.hero-enter { animation: hero-fade 900ms var(--ease-out) both; }
.hero-enter.delay-1 { animation-delay: 120ms; }
.hero-enter.delay-2 { animation-delay: 240ms; }
.hero-enter.delay-3 { animation-delay: 360ms; }
@keyframes hero-fade {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Ticker ---------- */
@keyframes ticker-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- Utility ---------- */
.pulse { animation: pulse-dot 1.8s ease-in-out infinite; }
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: .35; }
}