/* ==========================================================================
   Animations — scroll reveals, loading screen, reduced-motion handling
   ========================================================================== */

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--duration-slow) var(--ease-out), transform var(--duration-slow) var(--ease-out);
}

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

[data-reveal-group] > * { transition-delay: calc(var(--reveal-index, 0) * 70ms); }

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

.no-js [data-reveal] { opacity: 1; transform: none; }

/* ---- Loading screen ---- */
.loader {
  position: fixed;
  inset: 0;
  z-index: var(--z-loader);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-ink-950);
  transition: opacity var(--duration-slow) var(--ease-standard), visibility var(--duration-slow);
}

.loader.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader__mark {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.1rem;
}

.loader__logo { width: 56px; height: 56px; }

.loader__logo .draw {
  stroke-dasharray: 220;
  stroke-dashoffset: 220;
  animation: draw-line 1.1s var(--ease-out) forwards;
}

@keyframes draw-line { to { stroke-dashoffset: 0; } }

.loader__bar {
  width: 11rem;
  height: 3px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.12);
  overflow: hidden;
}

.loader__bar span {
  display: block;
  height: 100%;
  width: 40%;
  background: var(--gradient-cta);
  border-radius: var(--radius-pill);
  animation: loader-sweep 1s ease-in-out infinite;
}

@keyframes loader-sweep {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(280%); }
}

.loader__text {
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--text-on-dark-muted);
}

@media (prefers-reduced-motion: reduce) {
  .loader { transition: opacity 200ms linear; }
  .loader__logo .draw { animation: none; stroke-dashoffset: 0; }
  .loader__bar span { animation: none; width: 70%; }
}

/* JS marks <html> with .js-ready once loader logic has bound; if JS never
   runs, this rule keeps the loader from ever trapping a visitor. */
.no-js .loader { display: none; }
