/* ==========================================================================
   Card animations — Nurse Educator Command Center
   Enhancement-only. Everything here is gated behind html.cards-anim,
   which card-animations.js adds only when JS runs AND the visitor has
   not requested reduced motion. With JS off, the page renders exactly
   as before (no hidden content, no layout shift).
   ========================================================================== */

/* ---------- 1. Scroll reveal (staggered rise + settle) ---------- */

html.cards-anim [data-reveal] {
  opacity: 0;
  transform: translateY(26px) scale(0.985);
  transition:
    opacity .7s cubic-bezier(.22, .61, .36, 1),
    transform .7s cubic-bezier(.22, .61, .36, 1);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

html.cards-anim [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

/* Once revealed, release will-change and let hover transitions take over. */
html.cards-anim [data-reveal].is-settled {
  will-change: auto;
  transition-delay: 0ms;
}

/* ---------- 2. Step cards (How it works) ---------- */

/* Number badge springs in slightly after its card. */
html.cards-anim .step-card .step-number {
  display: inline-flex;            /* keeps transform crisp on inline spans */
  transform: scale(.4);
  opacity: 0;
  transition:
    transform .55s cubic-bezier(.34, 1.56, .64, 1),   /* gentle overshoot */
    opacity .3s ease;
  transition-delay: calc(var(--reveal-delay, 0ms) + 220ms);
}

html.cards-anim .step-card.is-revealed .step-number {
  transform: scale(1);
  opacity: 1;
}

/* Quiet hover: small lift, accent bar thickens via inset glow. */
html.cards-anim .step-card {
  transition-property: opacity, transform, box-shadow;
}

html.cards-anim .step-card.is-settled {
  transition:
    transform .25s cubic-bezier(.22, .61, .36, 1),
    box-shadow .25s ease;
}

html.cards-anim .step-card.is-settled:hover {
  transform: translateY(-4px);
  box-shadow:
    0 2px 4px rgba(23, 32, 27, .05),
    0 14px 30px rgba(23, 32, 27, .12);
}

/* ---------- 3. Module cards (What's inside) ---------- */

html.cards-anim .module-card {
  position: relative;
  overflow: hidden;                 /* contains the image zoom + sheen */
}

html.cards-anim .module-card.is-settled {
  transition:
    transform .3s cubic-bezier(.22, .61, .36, 1),
    box-shadow .3s ease;
}

html.cards-anim .module-card.is-settled:hover {
  transform: translateY(-6px);
  box-shadow:
    0 2px 4px rgba(23, 32, 27, .06),
    0 20px 44px rgba(23, 32, 27, .16);
}

/* Screenshot gently zooms on hover. */
html.cards-anim .module-card > img {
  transition: transform .6s cubic-bezier(.22, .61, .36, 1);
}

html.cards-anim .module-card.is-settled:hover > img {
  transform: scale(1.035);
}

/* Cursor-tracking sheen — a soft light that follows the pointer.
   --mx / --my are set by card-animations.js on pointermove. */
html.cards-anim .module-card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  background: radial-gradient(
    420px circle at var(--mx, 50%) var(--my, 50%),
    rgba(255, 255, 255, .28),
    rgba(255, 255, 255, 0) 60%
  );
  transition: opacity .35s ease;
  z-index: 1;
}

html.cards-anim .module-card:hover::after {
  opacity: 1;
}

/* Keep the sheen on the screenshot and behind all readable card copy. */
html.cards-anim .module-card-body {
  position: relative;
  z-index: 2;
  background: var(--card);
}

/* Colored dot breathes once on card hover. */
html.cards-anim .module-card.is-settled:hover .module-dot {
  animation: necc-dot-pulse .9s ease-out 1;
}

@keyframes necc-dot-pulse {
  0%   { transform: scale(1); }
  35%  { transform: scale(1.45); }
  100% { transform: scale(1); }
}

/* ---------- 4. Guide cards ---------- */

html.cards-anim .guide-card {
  display: block;
  position: relative;
}

html.cards-anim .guide-card.is-settled {
  transition:
    transform .25s cubic-bezier(.22, .61, .36, 1),
    box-shadow .25s ease;
}

html.cards-anim .guide-card.is-settled:hover,
html.cards-anim .guide-card.is-settled:focus-visible {
  transform: translateY(-4px);
  box-shadow:
    0 2px 4px rgba(23, 32, 27, .05),
    0 14px 30px rgba(23, 32, 27, .12);
}

/* The decorative arrow is real aria-hidden markup, so it stays silent. */
.guide-card-arrow {
  display: none;
}

html.cards-anim .guide-card .guide-card-title {
  transition: color .2s ease;
}

html.cards-anim .guide-card-arrow {
  display: inline-block;
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity .25s ease, transform .25s cubic-bezier(.22, .61, .36, 1);
}

html.cards-anim .guide-card:hover .guide-card-arrow,
html.cards-anim .guide-card:focus-visible .guide-card-arrow {
  opacity: 1;
  transform: translateX(0);
}

/* ---------- 5. Privacy callout ---------- */

/* The accent bar "draws" down as the callout reveals. */
html.cards-anim .privacy-callout {
  border-left-color: transparent;
}

html.cards-anim .privacy-callout.is-revealed {
  border-left-color: var(--chip-blue);
  transition:
    opacity .7s cubic-bezier(.22, .61, .36, 1),
    transform .7s cubic-bezier(.22, .61, .36, 1),
    border-left-color .5s ease .45s;
}

/* ---------- 6. Reduced motion & touch safety ---------- */

/* Belt-and-suspenders: even if the class is ever present, kill motion. */
@media (prefers-reduced-motion: reduce) {
  html.cards-anim [data-reveal],
  html.cards-anim .step-card .step-number,
  html.cards-anim .module-card > img,
  html.cards-anim .guide-card-arrow {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
    animation: none !important;
  }

  html.cards-anim .module-card::after {
    display: none !important;
  }

  html.cards-anim .module-dot {
    animation: none !important;
  }
}

/* No hover-lift on coarse pointers (phones) — taps shouldn't wiggle. */
@media (hover: none) {
  html.cards-anim .step-card.is-settled:hover,
  html.cards-anim .module-card.is-settled:hover,
  html.cards-anim .guide-card.is-settled:hover {
    transform: none;
    box-shadow: var(--shadow-card);
  }
  html.cards-anim .module-card.is-settled:hover > img {
    transform: none;
  }
  html.cards-anim .module-card.is-settled:hover .module-dot {
    animation: none;
  }
  html.cards-anim .module-card::after { display: none; }
}