/* ════════════════════════════════════════════════════════════
   SENSEUNI — PREMIUM EFFECTS LAYER (additive, zero layout change)
   Loaded on top of each page's own styles. Desktop pointer-fine
   effects are gated in effects.js; everything respects
   prefers-reduced-motion.
   ════════════════════════════════════════════════════════════ */

/* ── 1 · Cursor aura — soft glow that trails the pointer ────── */
.fx-aura {
  position: fixed;
  top: 0; left: 0;
  width: 560px; height: 560px;
  margin: -280px 0 0 -280px;
  border-radius: 50%;
  background: radial-gradient(circle,
    rgba(116, 53, 253, 0.16) 0%,
    rgba(139, 113, 255, 0.07) 38%,
    transparent 68%);
  pointer-events: none;
  z-index: 1;                 /* above bg glows, below content */
  mix-blend-mode: screen;
  opacity: 0;
  transition: opacity 0.6s ease;
  will-change: transform;
}
.fx-aura.is-on { opacity: 1; }

/* ── 2 · Card spotlight — highlight follows cursor inside card ─ */
.fx-spot-host { position: relative; }
.fx-spotlight {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  overflow: hidden;
  pointer-events: none;
  z-index: 1;
  opacity: 0;
  transition: opacity 0.45s ease;
}
.fx-spot-host:hover .fx-spotlight { opacity: 1; }
.fx-spotlight::before {
  /* inner light pool */
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(380px circle at var(--fx-x, 50%) var(--fx-y, 50%),
    rgba(139, 113, 255, 0.22) 0%,
    rgba(116, 53, 253, 0.09) 35%,
    transparent 64%);
}
.fx-spotlight::after {
  /* tracing border light */
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: radial-gradient(260px circle at var(--fx-x, 50%) var(--fx-y, 50%),
    rgba(167, 147, 255, 0.8) 0%,
    rgba(116, 53, 253, 0.25) 42%,
    transparent 70%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
          mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
          mask-composite: exclude;
}

/* ── 3 · Magnetic buttons ──────────────────────────────────────
   Movement uses the standalone `translate` property so it
   composes with each button's own CSS :hover transform. */
.fx-magnet { transition: translate 0.28s cubic-bezier(0.22, 1, 0.36, 1); }

/* ── 4 · Scroll progress bar ───────────────────────────────── */
.fx-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2.5px;
  width: 100%;
  transform-origin: 0 50%;
  transform: scaleX(0);
  background: linear-gradient(90deg, #2C2069, #7435FD 55%, #8B71FF);
  box-shadow: 0 0 12px rgba(116, 53, 253, 0.55);
  pointer-events: none;
  z-index: 2000;              /* above the fixed nav */
}

/* ── 5 · Gradient-text shimmer on hero headlines ───────────────
   Pages mark gradient words with various span classes; effects.js
   tags them with .fx-shimmer. Slow, subtle position drift. */
@keyframes fxShimmer {
  0%, 100% { background-position: 0% 50%; }
  50%      { background-position: 100% 50%; }
}
.fx-shimmer {
  background-size: 200% 200% !important;
  animation: fxShimmer 7s ease-in-out infinite;
}

/* ── 6 · Image lift-glare on hover (existing imgs, no layout) ── */
.fx-glare { position: relative; overflow: hidden; }
.fx-glare::after {
  content: '';
  position: absolute;
  top: 0; left: -85%;
  width: 55%; height: 100%;
  background: linear-gradient(105deg, transparent,
    rgba(255, 255, 255, 0.10) 45%,
    rgba(255, 255, 255, 0.16) 50%,
    rgba(255, 255, 255, 0.10) 55%,
    transparent);
  transform: skewX(-18deg);
  pointer-events: none;
  transition: left 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}
.fx-glare:hover::after { left: 130%; }

/* ── Reduced motion / touch: kill everything ───────────────── */
@media (prefers-reduced-motion: reduce) {
  .fx-aura, .fx-progress { display: none !important; }
  .fx-magnet { translate: none !important; transition: none !important; }
  .fx-shimmer { animation: none !important; }
  .fx-glare::after { display: none !important; }
}
@media (pointer: coarse) {
  .fx-aura { display: none !important; }
}