/* Loader */
#loader {
  position: fixed;
  inset: 0;
  background: var(--white);
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: opacity 0.5s ease;
}

.oil-drop {
  width: 50px;
  height: 50px;
  background: var(--gold);
  border-radius: 50% 50% 50% 5px;
  transform: rotate(-45deg);
  animation: drop-bounce 1s infinite alternate;
}

@keyframes drop-bounce {
  0% { transform: rotate(-45deg) translate(0, 0); }
  100% { transform: rotate(-45deg) translate(-20px, 20px); }
}

@keyframes pulse-green {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
  70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* Scroll Animations (triggered by Intersection Observer) */
.animate-on-scroll {
  opacity: 0;
  transition: all 0.8s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.fade-up { transform: translateY(50px); }
.fade-left { transform: translateX(-50px); }
.fade-right { transform: translateX(50px); }
.zoom-in { transform: scale(0.8); }

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translate(0) scale(1);
}

/* Stagger delays */
.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }