/* Animations: scroll-reveal, ticker, hero entrance, reduced motion */

/* Capability ticker */
@keyframes ticker {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

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

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal--left {
  transform: translateX(-32px);
}

.reveal--left.revealed {
  transform: translateX(0);
}

.reveal--right {
  transform: translateX(32px);
}

.reveal--right.revealed {
  transform: translateX(0);
}

.reveal--scale {
  transform: scale(0.96) translateY(16px);
}

.reveal--scale.revealed {
  transform: scale(1) translateY(0);
}

/* Stagger delays for child elements */
.stagger > *:nth-child(1) { transition-delay: 0ms; }
.stagger > *:nth-child(2) { transition-delay: 80ms; }
.stagger > *:nth-child(3) { transition-delay: 160ms; }
.stagger > *:nth-child(4) { transition-delay: 240ms; }
.stagger > *:nth-child(5) { transition-delay: 320ms; }
.stagger > *:nth-child(6) { transition-delay: 400ms; }
.stagger > *:nth-child(7) { transition-delay: 480ms; }

/* Navigation entrance */
@keyframes navDrop {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.site-nav {
  animation: navDrop 0.5s var(--ease-out) both;
}

/* Hero entrance sequence */
@keyframes heroReveal {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-overline {
  animation: heroReveal 0.7s var(--ease-out) 0.2s both;
}

.hero h1 {
  animation: heroReveal 0.8s var(--ease-out) 0.35s both;
}

.hero-subhead {
  animation: heroReveal 0.8s var(--ease-out) 0.5s both;
}

.hero-ctas {
  animation: heroReveal 0.8s var(--ease-out) 0.65s both;
}

/* Accent rule drawing on section entry */
@keyframes drawRule {
  from { width: 0; }
  to   { width: 3rem; }
}

@keyframes drawRuleSm {
  from { width: 0; }
  to   { width: 1.5rem; }
}

.reveal.revealed .motif-rule {
  animation: drawRule 0.5s var(--ease-out) 0.1s both;
}

.reveal.revealed .motif-rule--sm {
  animation: drawRuleSm 0.4s var(--ease-out) 0.1s both;
}

/* Accessible motion preference */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}