/* Role: Subtle micro-animations and entrance polish.
   Layered on top of base.css/components.css. Respects prefers-reduced-motion. */

/* ====== Initial entrance for header & main content ====== */
html[data-layout-ready="true"] #site-header {
  animation: polish-fade-down var(--duration-base) var(--ease-out) both;
}

html[data-layout-ready="true"] .main-content {
  animation: polish-fade-up var(--duration-slow) var(--ease-out) 80ms both;
}

@keyframes polish-fade-down {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes polish-fade-up {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ====== Reveal-on-scroll hook ======
   Elements with [data-reveal] start invisible; polish.js adds [data-revealed]
   via IntersectionObserver. Stagger via CSS variable --reveal-delay. */
[data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition:
    opacity var(--duration-slow) var(--ease-out) var(--reveal-delay, 0ms),
    transform var(--duration-slow) var(--ease-out) var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

[data-reveal][data-revealed="true"] {
  opacity: 1;
  transform: translateY(0);
}

/* ====== Home product card edge glow on hover ====== */
.page-home .home-product-card {
  transition-property:
    background-color, color, border-color, transform, box-shadow, filter;
  transition-duration:
    var(--duration-base), var(--duration-base), var(--duration-base),
    var(--duration-fast), var(--duration-fast), var(--duration-fast);
  transition-timing-function: var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
  .page-home .home-product-card:hover {
    filter: drop-shadow(0 0 0.5px var(--home-card-2-color));
  }
}

/* ====== Footer subtle top accent line ====== */
.site-footer {
  position: relative;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--brand-light) 30%,
    var(--brand-light) 70%,
    transparent 100%);
  opacity: 0.5;
}

/* ====== Header underline indicator on hover for nav-like links ====== */
.footer-links a {
  position: relative;
  padding-bottom: 2px;
}

.footer-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--duration-fast) var(--ease-out);
}

.footer-links a:hover {
  text-decoration: none;
}

.footer-links a:hover::after {
  transform: scaleX(1);
}

/* ====== Reduced motion ====== */
@media (prefers-reduced-motion: reduce) {
  html[data-layout-ready="true"] #site-header,
  html[data-layout-ready="true"] .main-content {
    animation: none;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .footer-links a::after {
    transition: none;
  }
}