/* ==========================================================================
   OTECTCIRCLE — ANIMATIONS & TRANSITIONS
   ========================================================================== */

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}
@keyframes floatSlow {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(10px) rotate(4deg); }
}
@keyframes spinSlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.6; }
}

.hero-orb-1 { animation: floatY 7s ease-in-out infinite; }
.hero-orb-2 { animation: floatY 5.5s ease-in-out infinite 0.5s; }
.hero-orb-o { animation: spinSlow 40s linear infinite; }
.hero-chip-3 { animation: floatSlow 6.5s ease-in-out infinite; }

.announce-strip span::before {
  content: "●";
  display: inline-block;
  margin-right: 0.3em;
  font-size: 0.55em;
  vertical-align: middle;
  animation: pulseDot 2.2s ease-in-out infinite;
}

/* Staggered reveal helper classes (applied via JS/inline style delay) */
.reveal[data-delay="1"] { transition-delay: 0.08s; }
.reveal[data-delay="2"] { transition-delay: 0.16s; }
.reveal[data-delay="3"] { transition-delay: 0.24s; }
.reveal[data-delay="4"] { transition-delay: 0.32s; }
.reveal[data-delay="5"] { transition-delay: 0.4s; }

/* Underline sweep for text links */
.link-sweep {
  position: relative;
  display: inline-block;
}
.link-sweep::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%; height: 2px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.35s var(--ease-out);
}
.link-sweep:hover::after { transform: scaleX(1); transform-origin: left; }

/* Button micro-interaction */
.btn { will-change: transform; }
.btn:active { transform: scale(0.97); }

/* Fade-in on load for hero content (progressive enhancement) */
.js-fade-in {
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) forwards;
}
.js-fade-in.delay-1 { animation-delay: 0.1s; }
.js-fade-in.delay-2 { animation-delay: 0.22s; }
.js-fade-in.delay-3 { animation-delay: 0.34s; }
.js-fade-in.delay-4 { animation-delay: 0.46s; }

@media (prefers-reduced-motion: reduce) {
  .hero-orb-1, .hero-orb-2, .hero-orb-o, .hero-chip-3,
  .announce-strip span::before, .js-fade-in {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}