/* Animations & Defensive Fallback CSS */

/* Guarantee default visibility if JavaScript is disabled */
.reveal, .reveal-up, .reveal-fade, .service-card, .doctor-card, .feature-badge-card {
  opacity: 1;
  transform: none;
}

/* Performant GPU-Accelerated Scroll Reveals */
.animate-on-scroll {
  opacity: 0;
  transform: translate3d(0, 24px, 0);
  transition: opacity 0.55s cubic-bezier(0.16, 1, 0.3, 1), transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.animate-on-scroll.revealed {
  opacity: 1 !important;
  transform: translate3d(0, 0, 0) !important;
}

/* Page Loader (sessionStorage enabled) */
.page-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: var(--bg-dark-green);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-logo {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: 3px solid var(--color-gold);
  object-fit: cover;
  animation: pulse-glow 1.8s infinite ease-in-out;
  margin-bottom: 1.5rem;
}

.loader-text {
  font-family: var(--font-heading);
  color: var(--color-gold-light);
  font-size: 1.25rem;
  letter-spacing: 2px;
}

@keyframes pulse-glow {
  0% {
    box-shadow: 0 0 0 0 rgba(201, 151, 58, 0.4);
    transform: scale(0.98);
  }
  70% {
    box-shadow: 0 0 0 20px rgba(201, 151, 58, 0);
    transform: scale(1.05);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(201, 151, 58, 0);
    transform: scale(0.98);
  }
}

/* Subtle Shimmer for Gold Seals */
.shimmer-gold {
  position: relative;
  overflow: hidden;
}

.shimmer-gold::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    60deg,
    transparent 30%,
    rgba(255, 255, 255, 0.25) 50%,
    transparent 70%
  );
  transform: rotate(30deg);
  animation: shimmer 4s infinite;
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%) rotate(30deg);
  }
  100% {
    transform: translateX(100%) rotate(30deg);
  }
}