/* ==========================================================================
   Scroll reveals — transform ONLY, never opacity:0 as a start state, so the
   page is fully visible even with JS disabled or on a headless render.
   ========================================================================== */
.reveal-up,
.hero-in {
  transform: translateY(28px);
  transition: transform 0.7s var(--ease-out);
  transition-delay: calc(var(--i, 0) * 60ms);
  will-change: transform;
}

.reveal-up.is-visible,
.hero-in.is-visible {
  transform: translateY(0);
}

.reveal-scale {
  transform: scale(0.97);
  transition: transform 0.8s var(--ease-out);
  transition-delay: calc(var(--i, 0) * 60ms);
}

.reveal-scale.is-visible {
  transform: scale(1);
}

.hero__frame.hero-in {
  transform: scale(0.97);
}

.hero__frame.hero-in.is-visible {
  transform: scale(1);
}

/* ==========================================================================
   Micro-interactions
   ========================================================================== */
.leistung-row,
.slider-item img,
.about-teaser__media img,
.intro__image img {
  transition: transform 0.4s var(--ease-out);
}

.leistung-row__media img {
  transition: transform 0.5s var(--ease-out);
}

.leistung-row:hover .leistung-row__media img {
  transform: scale(1.03);
}

.slider-item:hover img {
  transform: scale(1.02);
}

a,
button {
  transition: transform 0.15s var(--ease-out), background 0.2s var(--ease-out), border-color 0.2s var(--ease-out), color 0.2s var(--ease-out);
}

/* ==========================================================================
   Burger icon morph
   ========================================================================== */
.burger {
  position: relative;
}

/* ==========================================================================
   Reduced motion — instant final states, no transform movement
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal-up,
  .reveal-scale,
  .hero-in,
  a,
  button,
  .leistung-row__media img,
  .slider-item img {
    transition: none !important;
    transform: none !important;
  }
}