@keyframes sentinel-fade-up {
  from { opacity: 0; transform: translateY(16px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes sentinel-slide-in {
  from { opacity: 0; transform: translateX(-16px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes sentinel-grow-up {
  from { transform: scaleY(0); }
  to { transform: scaleY(1); }
}

@keyframes sentinel-grow-right {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

@keyframes sentinel-pulse-soft {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.35); }
  70% { box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

@keyframes sentinel-pulse-safe {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0, 55, 176, 0.2); }
  50% { box-shadow: 0 0 8px 2px rgba(0, 55, 176, 0.35); }
}

@keyframes sentinel-pulse-caution {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 116, 81, 0.2); }
  50% { box-shadow: 0 0 8px 2px rgba(255, 116, 81, 0.35); }
}

@keyframes sentinel-shimmer {
  0% { background-position: -1000px 0; }
  100% { background-position: 1000px 0; }
}

@keyframes sentinel-morph {
  0%, 100% { border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%; }
  34% { border-radius: 70% 30% 50% 50% / 30% 30% 70% 70%; }
  67% { border-radius: 100% 60% 60% 100% / 100% 100% 60% 60%; }
}

.fade-in-section {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-section.is-visible {
  opacity: 1;
  transform: none;
}

.animate-fade-in-up {
  opacity: 0;
  animation: sentinel-fade-up 0.6s ease-out forwards;
}

.animate-slide-in {
  opacity: 0;
  animation: sentinel-slide-in 0.5s ease-out forwards;
}

.animate-grow-up {
  transform-origin: bottom;
  animation: sentinel-grow-up 1s ease-out forwards;
}

.animate-grow-right {
  transform-origin: left;
  animation: sentinel-grow-right 1s ease-out forwards;
}

.animate-pulse-soft {
  animation: sentinel-pulse-soft 2s infinite;
}

.badge-safe {
  animation: sentinel-pulse-safe 2s infinite;
}

.badge-caution {
  animation: sentinel-pulse-caution 2s infinite;
}

.hover-lift {
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md, 0 10px 25px -10px rgba(15, 23, 42, 0.12));
  border-color: var(--outline-variant, #c4c5d7);
}

.shimmer-btn {
  background-image: linear-gradient(120deg, rgba(255,255,255,0) 30%, rgba(255,255,255,.28) 50%, rgba(255,255,255,0) 70%);
  background-size: 200% 100%;
  animation: sentinel-shimmer 2.5s infinite;
}

.hero-blob {
  border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
  animation: sentinel-morph 8s ease-in-out infinite;
}

.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-400 { animation-delay: 400ms; }
.delay-500 { animation-delay: 500ms; }

.text-gradient {
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-image: linear-gradient(90deg, #0037b0, #2650d0, #8C65FF);
}

.bg-hero-gradient {
  background: radial-gradient(circle at top center, rgba(220, 225, 255, 0.55) 0%, rgba(247, 250, 253, 0) 70%);
}

.glassmorphism {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle, #E2E8F0);
  box-shadow: var(--shadow-md, 0 10px 25px -10px rgba(15, 23, 42, 0.12));
}

@media (prefers-reduced-motion: reduce) {
  .fade-in-section,
  .animate-fade-in-up,
  .animate-slide-in,
  .animate-grow-up,
  .animate-grow-right,
  .hover-lift,
  .shimmer-btn,
  .hero-blob,
  .badge-safe,
  .badge-caution,
  .animate-pulse-soft {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}