/* ===== Reveal on scroll ===== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 800ms var(--ease-out), transform 800ms var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal[data-delay="1"] { transition-delay: 80ms; }
.reveal[data-delay="2"] { transition-delay: 160ms; }
.reveal[data-delay="3"] { transition-delay: 240ms; }
.reveal[data-delay="4"] { transition-delay: 320ms; }
.reveal[data-delay="5"] { transition-delay: 400ms; }

/* ===== Hero scene rotations ===== */
@keyframes ring-rotate {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

@keyframes ring-rotate-rev {
  from { transform: rotate(0deg); }
  to   { transform: rotate(-360deg); }
}

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

@keyframes pulse {
  0%, 100% { transform: scale(1);   opacity: 1;   }
  50%      { transform: scale(1.4); opacity: 0.4; }
}

.scene-ring--lg { animation: ring-rotate 60s linear infinite; }
.scene-ring--md { animation: ring-rotate-rev 45s linear infinite; }
.scene-ring--sm { animation: ring-rotate 30s linear infinite; }

.scene-core { animation: float 8s ease-in-out infinite; }

.scene-dot { animation: pulse 2.4s ease-in-out infinite; }
.scene-dot--2 { animation-delay: 0.6s; }
.scene-dot--3 { animation-delay: 1.2s; }
.scene-dot--4 { animation-delay: 1.8s; }

/* ===== Caret blink ===== */
@keyframes blink {
  0%, 50%   { opacity: 1; }
  50.01%, 100% { opacity: 0; }
}

.caret {
  display: inline-block;
  width: 8px;
  height: 1em;
  background: var(--color-accent);
  vertical-align: middle;
  margin-left: 4px;
  animation: blink 1.1s steps(1) infinite;
}

/* ===== Counter ===== */
.stats__value {
  transition: opacity 400ms var(--ease-out);
}

/* ===== Mobile menu transition ===== */
.site-nav__menu {
  transition: transform var(--dur-base) var(--ease-out),
              opacity var(--dur-base) var(--ease-out);
}