/* =========================================================
   KANZLEI BREITBARTH – ANIMATIONS
   IntersectionObserver-gestützte Scroll-Animationen
   ========================================================= */

/* --- Base: Elemente vor Animation (versteckt) --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity var(--duration-slow) var(--ease-premium),
              transform var(--duration-slow) var(--ease-premium);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* --- Fade In (nur Opacity) --- */
.fade-in {
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-gentle);
}

.fade-in.revealed {
  opacity: 1;
}

/* --- Slide von links --- */
.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity var(--duration-slow) var(--ease-premium),
              transform var(--duration-slow) var(--ease-premium);
}

.reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

/* --- Slide von rechts --- */
.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity var(--duration-slow) var(--ease-premium),
              transform var(--duration-slow) var(--ease-premium);
}

.reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

/* --- Slide von rechts (Timeline) --- */
.reveal-slide-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity var(--duration-slow) var(--ease-premium),
              transform var(--duration-slow) var(--ease-premium);
}

.reveal-slide-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

/* --- Scale In (für Karten) --- */
.reveal-scale {
  opacity: 0;
  transform: scale(0.96) translateY(20px);
  transition: opacity var(--duration-slow) var(--ease-premium),
              transform var(--duration-slow) var(--ease-premium);
}

.reveal-scale.revealed {
  opacity: 1;
  transform: scale(1) translateY(0);
}

/* --- Stagger-Delays (für Listen & Karten) --- */
.stagger > * {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--duration-slow) var(--ease-premium),
              transform var(--duration-slow) var(--ease-premium);
}

.stagger.revealed > *:nth-child(1) { transition-delay: 0ms; }
.stagger.revealed > *:nth-child(2) { transition-delay: 80ms; }
.stagger.revealed > *:nth-child(3) { transition-delay: 160ms; }
.stagger.revealed > *:nth-child(4) { transition-delay: 240ms; }
.stagger.revealed > *:nth-child(5) { transition-delay: 320ms; }
.stagger.revealed > *:nth-child(6) { transition-delay: 400ms; }
.stagger.revealed > *:nth-child(7) { transition-delay: 480ms; }
.stagger.revealed > *:nth-child(8) { transition-delay: 560ms; }
.stagger.revealed > *:nth-child(n+9) { transition-delay: 640ms; }

.stagger.revealed > * {
  opacity: 1;
  transform: translateY(0);
}

/* --- Hero-spezifisch: Schnellere Einblendung beim Laden --- */
.hero-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--ease-premium),
              transform 0.9s var(--ease-premium);
}

.hero-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Hero Delays */
.hero-reveal-1 { transition-delay: 100ms; }
.hero-reveal-2 { transition-delay: 250ms; }
.hero-reveal-3 { transition-delay: 400ms; }
.hero-reveal-4 { transition-delay: 550ms; }
.hero-reveal-5 { transition-delay: 700ms; }

/* --- Portrait Fade --- */
.portrait-reveal {
  opacity: 0;
  transform: scale(0.98);
  transition: opacity 1.2s var(--ease-gentle),
              transform 1.2s var(--ease-gentle);
}

.portrait-reveal.revealed {
  opacity: 1;
  transform: scale(1);
}

/* --- Linie-Wachstum (für Timeline-Verbinder) --- */
.line-grow {
  transform-origin: top center;
  transform: scaleY(0);
  transition: transform var(--duration-slow) var(--ease-premium);
}

.line-grow.revealed {
  transform: scaleY(1);
}

/* --- Underline Wachstum (Dekolinien) --- */
.underline-grow::after {
  content: '';
  display: block;
  width: 0;
  height: 2px;
  background: var(--color-green);
  margin-top: var(--space-4);
  transition: width 0.8s var(--ease-premium);
}

.underline-grow.revealed::after {
  width: 56px;
}

/* --- Balken-Animation für Chart --- */
.bar-animate {
  transform-origin: left center;
  transform: scaleX(0);
  transition: transform 1s var(--ease-premium);
}

.bar-animate.revealed {
  transform: scaleX(1);
}

/* --- Counter --- */
.counter-value {
  display: inline-block;
  font-variant-numeric: tabular-nums;
}

/* --- Reduzierte Bewegung (Accessibility) --- */
@media (prefers-reduced-motion: reduce) {
  .reveal,
  .fade-in,
  .reveal-left,
  .reveal-right,
  .reveal-scale,
  .hero-reveal,
  .portrait-reveal,
  .stagger > * {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .line-grow { transform: scaleY(1); }
  .bar-animate { transform: scaleX(1); }
}