body { font-family: 'Inter', system-ui, sans-serif; }
.hero-gradient {
  background: linear-gradient(180deg, rgba(5,5,5,0.55) 0%, rgba(5,5,5,0.85) 55%, #050505 100%);
}
.text-stroke {
  -webkit-text-stroke: 1px rgba(255,255,255,0.08);
}
.nav-scrolled {
  background: rgba(5, 5, 5, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(220, 38, 38, 0.15);
}
.program-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(5,5,5,0.95) 0%, rgba(5,5,5,0.4) 50%, transparent 100%);
  z-index: 1;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  box-shadow: 0 0 0 2px rgba(220, 38, 38, 0.5);
}
.whatsapp-float {
  box-shadow: 0 4px 24px rgba(37, 211, 102, 0.35);
}
.whatsapp-float:hover {
  box-shadow: 0 6px 32px rgba(37, 211, 102, 0.5);
}
.gallery-filter.active {
  border-color: rgba(220, 38, 38, 0.4);
  background: rgba(220, 38, 38, 0.15);
  color: #ef4444;
}
.gallery-item {
  aspect-ratio: 4 / 3;
  min-height: 0;
}
.gallery-item img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.gallery-item.gallery-hidden {
  display: none;
}
.gallery-lightbox {
  display: none;
}
.gallery-lightbox.open {
  display: flex;
}