/* =====================================================================
   fabianwebsites — Animationen
   Scroll-Reveal, Keyframes, Tilt, Reduced-Motion-Fallback
   ===================================================================== */

/* ---- Scroll-Reveal: Elemente starten unsichtbar, JS fügt .is-visible hinzu ---- */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s var(--ease-out), transform .7s var(--ease-out);
  transition-delay: 0ms;
}
[data-reveal].is-visible { opacity: 1; transform: none; }
/* Gestaffelte Verzögerung über data-reveal-delay="1..5" */
[data-reveal-delay="1"] { transition-delay: 80ms; }
[data-reveal-delay="2"] { transition-delay: 160ms; }
[data-reveal-delay="3"] { transition-delay: 240ms; }
[data-reveal-delay="4"] { transition-delay: 320ms; }
[data-reveal-delay="5"] { transition-delay: 400ms; }

/* ---- Tilt-Karten (3D-Neigung per JS via CSS-Variablen) ---- */
.tilt { transform: perspective(900px) translate3d(var(--px, 0px), var(--py, 0px), 0) rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg)); transition: transform var(--dur) var(--ease); will-change: transform; }

/* ---- Keyframes ---- */
@keyframes spin { to { transform: rotate(360deg); } }

@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(94,197,133,.6); }
  70%  { box-shadow: 0 0 0 10px rgba(94,197,133,0); }
  100% { box-shadow: 0 0 0 0 rgba(94,197,133,0); }
}

@keyframes pulse-ring {
  0%   { transform: scale(1); opacity: .5; }
  80%, 100% { transform: scale(1.7); opacity: 0; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-12px); }
}

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

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

@keyframes typing {
  0%, 60%, 100% { transform: translateY(0); opacity: .4; }
  30%           { transform: translateY(-5px); opacity: 1; }
}

@keyframes aurora-1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%      { transform: translate(80px, 60px) scale(1.15); }
}
@keyframes aurora-2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%      { transform: translate(-70px, 40px) scale(1.1); }
}
@keyframes aurora-3 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%      { transform: translate(50px, -50px) scale(1.2); }
}
@keyframes aurora-4 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%      { transform: translate(-60px, -40px) scale(1.12); }
}

/* Performance-Linie: einmal "zeichnen" wenn sichtbar */
.perf-line { stroke-dasharray: 360; stroke-dashoffset: 360; }
.module--featured.is-drawn .perf-line { animation: draw-line 1.6s var(--ease-out) forwards; }
@keyframes draw-line { to { stroke-dashoffset: 0; } }

/* Wandernder Farbverlauf (Hero-Headline, Buttons via background-position) */
@keyframes gradient-pan {
  0%   { background-position: 0% center; }
  100% { background-position: 220% center; }
}

/* Sanftes Einblenden der Rechtstext-Kacheln */
@keyframes legal-card-in {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Fußzeilen-Trenner: sanftes Pulsieren der Linie */
@keyframes footer-glow {
  0%, 100% { opacity: .4; }
  50%      { opacity: .9; }
}
/* Fußzeilen-Trenner: wandernder Lichtpunkt */
@keyframes footer-sweep {
  0%   { transform: translateX(-200px); opacity: 0; }
  12%  { opacity: 1; }
  88%  { opacity: 1; }
  100% { transform: translateX(100vw); opacity: 0; }
}

/* ---- Reduced Motion: alles ruhigstellen ---- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-delay: 0s !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .bg-aurora__blob, .about__photo--logo img, .pulse-dot, .chat__launcher-pulse, .accent-gradient { animation: none !important; }
  .legal-card { animation: none !important; }
  .site-footer::before { animation: none !important; opacity: .55; }
  .site-footer::after { display: none !important; }
  .perf-line { stroke-dashoffset: 0; }
}