/* =========================================================
   ANIMATIONS
   ========================================================= */

/* ----- REVEAL CLASSES (used by GSAP/IntersectionObserver) ----- */

[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
  will-change: opacity, transform;
}

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

[data-reveal="fade"] {
  transform: none;
}

[data-reveal="left"] {
  transform: translateX(-28px);
}

[data-reveal="left"].is-visible {
  transform: translateX(0);
}

[data-reveal="right"] {
  transform: translateX(28px);
}

[data-reveal="right"].is-visible {
  transform: translateX(0);
}

[data-reveal="scale"] {
  transform: scale(0.96);
}

[data-reveal="scale"].is-visible {
  transform: scale(1);
}

/* ----- STAGGER CHILDREN ----- */

[data-stagger] > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
  transition-delay: calc(var(--stagger-index, 0) * 70ms);
}

[data-stagger].is-visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* ----- HERO RING ----- */

@keyframes ring-pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.4;
  }
  50% {
    transform: scale(1.04);
    opacity: 0.65;
  }
}

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

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes scan {
  0% { transform: translateY(-100%); opacity: 0; }
  10% { opacity: 0.6; }
  90% { opacity: 0.6; }
  100% { transform: translateY(100%); opacity: 0; }
}

@keyframes drift {
  0% { transform: translate(0, 0); }
  33% { transform: translate(2px, -3px); }
  66% { transform: translate(-2px, 2px); }
  100% { transform: translate(0, 0); }
}

@keyframes glow-soft {
  0%, 100% { box-shadow: 0 0 20px rgba(63, 208, 255, 0.18); }
  50% { box-shadow: 0 0 40px rgba(63, 208, 255, 0.35); }
}

/* ----- DECORATIVE CORNER BRACKETS ----- */

.corner-brackets {
  position: relative;
}

.corner-brackets::before,
.corner-brackets::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border: 1px solid var(--color-cyan);
  opacity: 0.55;
}

.corner-brackets::before {
  top: -1px;
  left: -1px;
  border-right: none;
  border-bottom: none;
}

.corner-brackets::after {
  bottom: -1px;
  right: -1px;
  border-left: none;
  border-top: none;
}

/* ----- SCAN LINE (FOR HUD AESTHETIC) ----- */

.scan-line {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  border-radius: inherit;
}

.scan-line::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(63, 208, 255, 0.65), transparent);
  animation: scan 6s linear infinite;
}