/* =========================================================================
   MAG AMERICA LLC — ANIMATIONS
   Scroll-reveal utility classes (toggled by main.js via IntersectionObserver)
   plus small ambient/hover keyframes. Kept deliberately restrained: one
   orchestrated hero entrance, gentle reveals on scroll, no scattered
   decorative motion. Respects prefers-reduced-motion (see style.css).
   ========================================================================= */

/* ---------- Scroll reveal ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

[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);
}

/* Stagger children of a revealed group via inline --delay custom property */
[data-reveal] {
  transition-delay: var(--delay, 0s);
}

/* ---------- Hero entrance sequence ---------- */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-eyebrow {
  animation: fadeUp 0.6s var(--ease) both;
}

.hero-headline {
  animation: fadeUp 0.7s var(--ease) 0.1s both;
}

.hero-copy {
  animation: fadeUp 0.7s var(--ease) 0.2s both;
}

.hero-actions {
  animation: fadeUp 0.7s var(--ease) 0.3s both;
}

.hero-media {
  animation: fadeUp 0.8s var(--ease) 0.25s both;
}

/* ---------- Ambient blueprint grid drift ---------- */
@keyframes gridDrift {
  from {
    background-position: 0 0, 0 0;
  }
  to {
    background-position: 48px 48px, 48px 48px;
  }
}

.hero::before,
.page-header::before {
  animation: gridDrift 18s linear infinite;
}

/* ---------- Count-up number pulse ---------- */
.stat-number.is-counting {
  animation: numberPulse 0.4s var(--ease);
}

@keyframes numberPulse {
  0% {
    opacity: 0.4;
  }
  100% {
    opacity: 1;
  }
}

/* ---------- Button micro-interaction ---------- */
.btn {
  will-change: transform;
}

.btn:active {
  transform: scale(0.97);
}

/* ---------- Card lift on hover already declared in style.css;
   here we add a subtle shimmer sweep for placeholder media blocks ---------- */
.placeholder-img {
  position: relative;
}

.placeholder-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    100deg,
    transparent 30%,
    rgba(255, 255, 255, 0.06) 45%,
    transparent 60%
  );
  transform: translateX(-100%);
}

.product-card:hover .placeholder-img::after,
.cert-card:hover .placeholder-img::after {
  animation: shimmer 1s var(--ease);
}

@keyframes shimmer {
  to {
    transform: translateX(100%);
  }
}

/* ---------- Mobile nav slide is handled via transform in responsive.css;
   dropdown fade already declared in style.css ---------- */

/* ---------- Loading spinner (contact form submit) ---------- */
.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(7, 20, 38, 0.25);
  border-top-color: var(--navy-950);
  border-radius: 50%;
  display: inline-block;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}