/* ============================================================
   ANIMATIONS.CSS — Nittany 2026 Redesign
   ============================================================ */

/* ── Keyframes ───────────────────────────────────────────── */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-30px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(30px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes slideInPanel {
  from { transform: translateX(100%); }
  to   { transform: translateX(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.5; }
}

@keyframes shimmer {
  from { background-position: -200% 0; }
  to   { background-position: 200% 0; }
}

@keyframes countUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes borderDraw {
  from { clip-path: inset(0 100% 0 0); }
  to   { clip-path: inset(0 0 0 0); }
}

@keyframes ripple {
  0%   { transform: scale(0); opacity: 0.6; }
  100% { transform: scale(4); opacity: 0; }
}

/* ── Hero entrance (staggered) ──────────────────────────── */
.hero-eyebrow  { animation: fadeInDown 0.7s ease 0.1s both; }
.hero-title    { animation: fadeInUp   0.9s ease 0.25s both; }
.hero-desc     { animation: fadeInUp   0.8s ease 0.4s  both; }
.hero-actions  { animation: fadeInUp   0.7s ease 0.55s both; }
.hero-stats    { animation: fadeInUp   0.7s ease 0.7s  both; }
.hero-right    { animation: fadeInRight 1s ease 0.3s  both; }
.hero-scroll   { animation: fadeInUp   0.7s ease 1.1s  both; }

/* ── Page hero ──────────────────────────────────────────── */
.page-hero-eyebrow { animation: fadeInDown 0.6s ease 0.1s both; }
.page-hero-title   { animation: fadeInUp   0.7s ease 0.2s both; }
.page-hero-desc    { animation: fadeInUp   0.7s ease 0.35s both; }

/* ── Scroll-triggered animation base ───────────────────── */
/* Applied via JS IntersectionObserver */
[data-anim] {
 
  transition: opacity 0.65s ease, transform 0.65s ease;
}
[data-anim="fade-up"]    { transform: translateY(32px); }
[data-anim="fade-left"]  { transform: translateX(-28px); }
[data-anim="fade-right"] { transform: translateX(28px); }
[data-anim="scale-in"]   { transform: scale(0.92); }
[data-anim="fade-in"]    { }

[data-anim].anim-in {
  opacity: 1;
  transform: none;
}

/* Stagger delays for grid children */
[data-anim-group] > *:nth-child(1) { transition-delay: 0s; }
[data-anim-group] > *:nth-child(2) { transition-delay: 0.08s; }
[data-anim-group] > *:nth-child(3) { transition-delay: 0.16s; }
[data-anim-group] > *:nth-child(4) { transition-delay: 0.24s; }
[data-anim-group] > *:nth-child(5) { transition-delay: 0.32s; }
[data-anim-group] > *:nth-child(6) { transition-delay: 0.40s; }
[data-anim-group] > *:nth-child(7) { transition-delay: 0.48s; }
[data-anim-group] > *:nth-child(8) { transition-delay: 0.56s; }

/* ── Count-up highlight ─────────────────────────────────── */
.count-up-done {
  animation: countUp 0.5s ease both;
}

/* ── Number shimmer (while counting) ───────────────────── */
.counting {
  background: linear-gradient(90deg,
    var(--clr-white) 25%,
    rgba(255,255,255,0.6) 50%,
    var(--clr-white) 75%);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  animation: shimmer 1.2s ease infinite;
}

/* ── Ripple effect on buttons ───────────────────────────── */
.btn-ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.35);
  pointer-events: none;
  animation: ripple 0.6s linear forwards;
  transform-origin: center;
}

/* ── Hover lift utility ─────────────────────────────────── */
.hover-lift {
  transition: transform var(--tr-base), box-shadow var(--tr-base);
}
.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--sh-lg);
}

/* ── Loading skeleton ───────────────────────────────────── */
.skeleton {
  background: linear-gradient(90deg,
    var(--clr-border) 25%,
    var(--clr-bg) 50%,
    var(--clr-border) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease infinite;
  border-radius: var(--r-sm);
}

/* ── Gradient text utility ──────────────────────────────── */
.gradient-text {
  background: linear-gradient(135deg, var(--clr-brand) 0%, var(--clr-accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ── Glassmorphism hover ────────────────────────────────── */
.glass-hover {
  transition: background var(--tr-base), border-color var(--tr-base), box-shadow var(--tr-base);
}
.glass-hover:hover {
  background: rgba(255,255,255,0.88);
  box-shadow: var(--sh-xl);
}

/* ── Text reveal ────────────────────────────────────────── */
.text-reveal-wrap {
  overflow: hidden;
}
.text-reveal {
  display: block;
  transform: translateY(100%);
  transition: transform 0.7s cubic-bezier(0.33,1,0.68,1);
}
.text-reveal.revealed { transform: translateY(0); }

/* ── Progress bar ───────────────────────────────────────── */
.progress-bar {
  height: 3px;
  background: linear-gradient(90deg, var(--clr-accent) 0%, var(--clr-accent-lt) 100%);
  border-radius: var(--r-full);
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.progress-bar.fill { transform: scaleX(1); }

/* ── Page transition ────────────────────────────────────── */
.page-transition-overlay {
  position: fixed;
  inset: 0;
  background: var(--clr-brand);
  z-index: 9999;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
}
.page-transition-overlay.active { transform: translateY(0); }
.page-transition-overlay.exit   { transform: translateY(-100%); }

/* ── Gold accent line animate ───────────────────────────── */
@keyframes expandLine {
  from { width: 0; }
  to   { width: 56px; }
}
.divider.animate { animation: expandLine 0.8s ease forwards; }