.hidden {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity .8s ease, transform .8s ease;
}

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

.hero-content {
  animation: heroIntro 1.1s ease forwards;
}

@keyframes heroIntro {
  from {
    opacity: 0;
    transform: translateY(42px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-bg {
  animation: slowZoom 18s ease-in-out infinite alternate;
}

@keyframes slowZoom {
  from {
    transform: scale(1.04);
  }
  to {
    transform: scale(1.12);
  }
}

.btn {
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -120%;
  width: 80%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.45), transparent);
  transition: .6s;
}

.btn:hover::before {
  left: 120%;
}

.feature-card,
.stihl-card,
.service-list div {
  will-change: transform, opacity;
}

.active-link {
  color: var(--orange) !important;
}