/* ============================================================
   ANIMATIONS.CSS — Reveal & Motion System
   Greenfield Academy · Premium School Website
   ============================================================ */

/* ── REVEAL ON SCROLL ────────────────────────────────────── */

.js-loaded [data-reveal] {
  opacity: 0;
  transition-property: opacity, transform;
  transition-timing-function: var(--ease-out);
  transition-duration: var(--dur-xl);
  will-change: opacity, transform;
}

.js-loaded [data-reveal].revealed,
[data-reveal].revealed {
  opacity: 1;
  transform: none !important;
}


/* Stagger Delays */
[data-delay="100"] { transition-delay: 100ms; }
[data-delay="200"] { transition-delay: 200ms; }
[data-delay="300"] { transition-delay: 300ms; }
[data-delay="400"] { transition-delay: 400ms; }
[data-delay="500"] { transition-delay: 500ms; }
[data-delay="600"] { transition-delay: 600ms; }
[data-delay="700"] { transition-delay: 700ms; }
[data-delay="800"] { transition-delay: 800ms; }

/* ── HERO ENTRY ANIMATIONS ────────────────────────────── */

.hero-badge {
  animation: hero-item-in 0.7s 0.3s var(--ease-out) both;
}

.hero-heading {
  animation: hero-item-in 0.9s 0.5s var(--ease-out) both;
}

.hero-sub {
  animation: hero-item-in 0.7s 0.75s var(--ease-out) both;
}

.hero-cta {
  animation: hero-item-in 0.7s 0.95s var(--ease-out) both;
}

.hero-stats {
  animation: hero-item-in 0.7s 1.1s var(--ease-out) both;
}

.hero-right {
  animation: hero-right-in 1.2s 0.2s var(--ease-out) both;
}

.hero-card-award {
  animation: float-card-1 4s ease-in-out infinite, card-in 0.8s 1.6s var(--ease-spring) both;
}

.hero-card-students {
  animation: float-card-2 5s ease-in-out infinite, card-in 0.8s 1.9s var(--ease-spring) both;
}

@keyframes hero-item-in {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes hero-right-in {
  from {
    opacity: 0;
    transform: translateX(60px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

@keyframes card-in {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.9);
  }
  to {
    opacity: 1;
  }
}

/* ── COUNTER ANIMATION ──────────────────────────────────── */

.counter-num {
  display: inline-block;
  transition: all var(--dur-base);
}

/* ── PARALLAX ──────────────────────────────────────────── */

.parallax-slow  { will-change: transform; }
.parallax-fast  { will-change: transform; }

/* ── DECORATIVE SHAPES ──────────────────────────────────── */

.deco-circle {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.deco-circle--lg {
  width: 500px;
  height: 500px;
  border: 1px solid rgba(30,86,69,0.08);
  animation: deco-spin 30s linear infinite;
}

.deco-circle--sm {
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(192,98,74,0.08), transparent 70%);
  animation: deco-breathe 8s ease-in-out infinite;
}

@keyframes deco-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

@keyframes deco-breathe {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.3); opacity: 1; }
}

/* ── HOVER GLOW ─────────────────────────────────────────── */

.hover-glow {
  transition: box-shadow var(--dur-base) var(--ease-out);
}

.hover-glow:hover {
  box-shadow: 0 0 0 4px rgba(30,86,69,0.12), var(--shadow-lg);
}

/* ── MARQUEE / TICKER ──────────────────────────────────── */

.marquee-wrap {
  overflow: hidden;
  position: relative;
}

.marquee-track {
  display: flex;
  gap: var(--sp-8);
  width: max-content;
  animation: marquee-scroll 30s linear infinite;
}

.marquee-wrap:hover .marquee-track {
  animation-play-state: paused;
}

@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.marquee-item {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: rgba(249,246,240,0.18);
  letter-spacing: -0.02em;
  white-space: nowrap;
  user-select: none;
}

.marquee-item-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--clr-terracotta);
  flex-shrink: 0;
}

/* ── PAGE TRANSITION ────────────────────────────────────── */

.page-transition-overlay {
  position: fixed;
  inset: 0;
  background: var(--clr-emerald);
  z-index: calc(var(--z-toast) + 50);
  transform: translateY(100%);
  transition: transform 0.5s var(--ease-out);
  pointer-events: none;
}

.page-transition-overlay.active {
  transform: translateY(0);
}

/* ── SKELETON SHIMMER (lazy) ────────────────────────────── */

.skeleton {
  background: linear-gradient(
    90deg,
    var(--clr-stone-200) 25%,
    var(--clr-stone-100) 50%,
    var(--clr-stone-200) 75%
  );
  background-size: 400% 100%;
  animation: skeleton-shimmer 1.6s ease-in-out infinite;
}

@keyframes skeleton-shimmer {
  0%   { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ── NAV ANIMATED UNDERLINE ─────────────────────────────── */

@keyframes nav-underline-in {
  from { width: 0; opacity: 0; }
  to   { width: calc(100% - 1.5rem); opacity: 1; }
}

/* ── LOADING BAR (top) ──────────────────────────────────── */

#page-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background: var(--clr-terracotta);
  z-index: calc(var(--z-toast) + 1);
  width: 0%;
  transition: width 0.3s var(--ease-out);
  border-radius: 0 var(--radius-full) var(--radius-full) 0;
}

/* ── PREFERS-REDUCED-MOTION ─────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

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

/* ── SMOOTH IMAGE LOAD ──────────────────────────────────── */

img {
  transition: opacity var(--dur-slow) var(--ease-out);
}

img.loading {
  opacity: 0;
}

img.loaded {
  opacity: 1;
}

/* ── SECTION ENTER HELPER ───────────────────────────────── */

.section-enter {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.section-enter.in-view {
  opacity: 1;
  transform: none;
}