/* ============================================================
   Animations · Keyframes + Scroll-Reveal Utilities
   Ruhig, gerichtet, subtil. Reduced-Motion respektieren.
   ============================================================ */

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeRight {
  from { opacity: 0; transform: translateX(-24px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(.96); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes ripplePulse {
  0%   { transform: scale(.6); opacity: 0; }
  20%  { opacity: .9; }
  100% { transform: scale(1.6); opacity: 0; }
}
@keyframes drawerIn {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Reveal-Utility: wird über IntersectionObserver (animations.js) aktiviert */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity var(--t-slow) var(--ease-out),
    transform var(--t-slow) var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}
[data-reveal].is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Reveal-Varianten */
[data-reveal="right"]   { transform: translateX(-24px); }
[data-reveal="right"].is-revealed { transform: translateX(0); }
[data-reveal="scale"]   { transform: scale(.96); }
[data-reveal="scale"].is-revealed { transform: scale(1); }
[data-reveal="fade"]    { transform: none; }
[data-reveal="fade"].is-revealed { transform: none; }

/* Ripple Pulse */
.ripple-pulse svg { animation: ripplePulse 2.4s var(--ease-out) infinite; transform-origin: center; }

/* Hover Lift */
.lift { transition: transform var(--t-fast) var(--ease-out), box-shadow var(--t-fast) var(--ease-out); }
.lift:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }

/* Footer Credit Heart */
@keyframes heartPulse {
  0%, 100% { transform: scale(1); }
  15%      { transform: scale(1.3); }
  30%      { transform: scale(1); }
  45%      { transform: scale(1.2); }
  60%      { transform: scale(1); }
}
.footer-credit { color: #6B7088; font-size: 12px; }
.footer-credit a { color: inherit; text-decoration: underline; text-underline-offset: 2px; }
.footer-credit a:hover { color: var(--fg-muted); }
.footer-credit .heart { display: inline-block; color: #e0245e; animation: heartPulse 1.6s var(--ease-out) infinite; }
[data-theme="dark"] .footer-credit { color: #9A9DB0; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .footer-credit { color: #9A9DB0; }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1 !important; transform: none !important; }
  .ripple-pulse svg { animation: none !important; }
  .footer-credit .heart { animation: none !important; }
}