/* =========================
   SECTION HEADING REVEAL
========================= */

.section-label {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.section-title {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s cubic-bezier(0.22, 1, 0.36, 1) 0.1s,
              transform 0.5s cubic-bezier(0.22, 1, 0.36, 1) 0.1s;
}

.section-underline {
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease 0.3s;
}

/* Active */
.heading-revealed .section-label,
.heading-revealed .section-title {
  opacity: 1;
  transform: translateY(0);
}

.heading-revealed .section-underline {
  transform: scaleX(1);
}


/* =========================
   ABOVE-THE-FOLD ENTRANCE
   Pure CSS, no IntersectionObserver dependency — the hero is already
   in the viewport at load, so it must never depend on JS running to
   become visible.
========================= */

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

.hero-fade-in {
  animation: hero-fade-in 0.7s cubic-bezier(.22,1,.36,1) both;
}


/* =========================
   SCROLL REVEAL (REFINED)
========================= */

.reveal {
  --x: 0;
  --y: 14px;

  opacity: 0;
  transform: translate(var(--x), var(--y));

  transition: transform 0.5s cubic-bezier(.22,1,.36,1),
              opacity 0.5s cubic-bezier(.22,1,.36,1);
  transition-delay: var(--reveal-delay, 0ms);

  will-change: transform, opacity;
}

.reveal.active {
  --x: 0;
  --y: 0;
  opacity: 1;
}


/* Desktop directional (VERY SUBTLE) */
@media (min-width: 768px) {
  .reveal-left  { --x: -24px; --y: 0; }
  .reveal-right { --x: 24px;  --y: 0; }
}


/* =========================
   LIMITED STAGGER (USE RARELY)
========================= */

.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
}

.reveal.active.reveal-stagger > * {
  opacity: 1;
  transform: translateY(0);
  transition: transform 0.5s ease, opacity 0.5s ease;
}

.reveal.active.reveal-stagger > *:nth-child(1) { transition-delay: 0.05s; }
.reveal.active.reveal-stagger > *:nth-child(2) { transition-delay: 0.1s; }
.reveal.active.reveal-stagger > *:nth-child(3) { transition-delay: 0.15s; }
.reveal.active.reveal-stagger > *:nth-child(4) { transition-delay: 0.2s; }


/* =========================
   MODAL / DIALOG ENTRANCE
   Pure CSS — plays automatically whenever a modal goes from
   `hidden` (display:none) to shown, no JS changes required.
========================= */

@keyframes backdrop-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes panel-in {
  from { opacity: 0; transform: translateY(8px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-backdrop:not(.hidden) {
  animation: backdrop-in 0.2s ease;
}

.modal-panel {
  animation: panel-in 0.25s cubic-bezier(.22, 1, .36, 1);
}


/* =========================
   ACCESSIBILITY
========================= */

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal-stagger > *,
  .section-label,
  .section-title {
    transition: none;
    transform: none;
    opacity: 1;
  }

  /* Global safety net: mutes every Tailwind transition/animation utility
     and custom keyframe sitewide, not just the hand-picked reveal classes
     above. Functional state changes (opacity/visibility toggles) still
     happen instantly — only the motion is removed. */
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}